test/CodeGen/AMDGPU/NextUseAnalysis/nested-loops-with-side-exits-a.mir - llvm-project/llvm - Git at Google

 # RUN: llc -mtriple=amdgcn -mcpu=gfx1200 \
 # RUN:     -run-pass=amdgpu-next-use-printer \
 # RUN:     -amdgpu-next-use-analysis-config=graphics \
 # RUN:     -amdgpu-next-use-analysis-dump-distance-as-json=- \
 # RUN:     -amdgpu-next-use-analysis-dump-distance-verbose \
 # RUN:     -filetype=null \
 # RUN:     %s | FileCheck --check-prefix=CHECK-GX-JSON %s

 # RUN: llc -mtriple=amdgcn -mcpu=gfx1200 \
 # RUN:     -run-pass=amdgpu-next-use-printer \
 # RUN:     -amdgpu-next-use-analysis-config=compute \
 # RUN:     -amdgpu-next-use-analysis-dump-distance-as-json=- \
 # RUN:     -amdgpu-next-use-analysis-dump-distance-verbose \
 # RUN:     -filetype=null \
 # RUN:     %s | FileCheck --check-prefix=CHECK-CP-JSON %s

 # RUN: llc -mtriple=amdgcn -mcpu=gfx1200 \
 # RUN:     "-passes=require<amdgpu-next-use-analysis>,print<amdgpu-next-use-analysis>" \
 # RUN:     -amdgpu-next-use-analysis-config=compute \
 # RUN:     -amdgpu-next-use-analysis-dump-distance-as-json=- \
 # RUN:     -amdgpu-next-use-analysis-dump-distance-verbose \
 # RUN:     -filetype=null \
 # RUN:     %s | FileCheck --check-prefix=CHECK-CP-JSON %s

 #
 # MIR CFG:
 #
 #              bb.0
 #                  |
 #          bb.1.header<-+
 #            /           |    |
 # bb.2.preheader   |    |
 #           |            |    |
 #    bb.4.header   |    |
 #       |          |     |    |
 # +---->bb.5   |     |    |
 # |     |      |   |     |    |
 # | bb.7 |   |     |    |
 # |   .latch   |   |     |    |
 # |      \     |   |     |    |
 # |  bb.17  |     |    |
 # |         \      |     |    |
 # +--------bb.6   |    |
 #              |         |    |
 #        bb.18.exit |    |
 #           .guard8  |   |    |
 #             /      |   |    |
 # bb.8.latch   |   |    |
 #             \      |   |    |
 #          bb.14  |    |
 #               \        |    |
 #               bb.3---+
 #                    |
 #         bb.15.exit.guard
 #                    |      |
 #bb.16.exit.guard7     |
 #          |        |       |
 # bb.11.exit   |       |
 #            \      |       |
 #            bb.12     |
 #                     \     |
 #                   bb.9
 #                    /   |
 #      bb.10.exit1  |
 #                    \   |
 #                 bb.13
 #

 --- |
   define amdgpu_ps i32 @test12(ptr addrspace(1) %gep1, ptr addrspace(1) %p1, ptr addrspace(1) %p3) {
   ret i32 0
   }
 ...

 ---
 name:            test12
 tracksRegLiveness: true
 body:             |
   bb.0:
     successors: %bb.1(0x80000000)
     liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7, $vgpr8, $vgpr9, $vgpr10

     %0:vgpr_32 = COPY $vgpr10
     %1:vgpr_32 = COPY $vgpr9
     %2:vgpr_32 = COPY $vgpr8
     %3:vgpr_32 = COPY $vgpr7
     %4:vgpr_32 = COPY $vgpr6
     %5:vgpr_32 = COPY $vgpr5
     %6:vgpr_32 = COPY $vgpr4
     %7:vgpr_32 = COPY $vgpr3
     %8:vgpr_32 = COPY $vgpr2
     %9:vgpr_32 = COPY $vgpr1
     %10:vgpr_32 = COPY $vgpr0
     %11:vreg_64 = REG_SEQUENCE %6, %subreg.sub0, %5, %subreg.sub1
     %12:vreg_64 = REG_SEQUENCE %8, %subreg.sub0, %7, %subreg.sub1
     %13:vreg_64 = REG_SEQUENCE %10, %subreg.sub0, %9, %subreg.sub1
     %14:vgpr_32 = V_AND_B32_e64 1, %0, implicit $exec
     %15:sreg_32 = V_CMP_EQ_U32_e64 1, %14, implicit $exec
     %16:vgpr_32 = V_AND_B32_e64 1, %1, implicit $exec
     %17:sreg_32 = V_CMP_EQ_U32_e64 1, %16, implicit $exec
     %18:vgpr_32 = GLOBAL_LOAD_UBYTE %13, 0, 0, implicit $exec :: (load (s8) from %ir.p1, addrspace 1)
     %19:vgpr_32 = GLOBAL_LOAD_UBYTE %13, 1, 0, implicit $exec :: (load (s8) from %ir.p1 + 1, addrspace 1)
     %20:vgpr_32 = V_LSHL_OR_B32_e64 %19, 8, %18, implicit $exec
     %21:vgpr_32 = GLOBAL_LOAD_UBYTE %13, 2, 0, implicit $exec :: (load (s8) from %ir.p1 + 2, addrspace 1)
     %22:vgpr_32 = GLOBAL_LOAD_UBYTE %13, 3, 0, implicit $exec :: (load (s8) from %ir.p1 + 3, addrspace 1)
     %23:vgpr_32 = V_LSHL_OR_B32_e64 %22, 8, %21, implicit $exec
     %24:vgpr_32 = V_LSHL_OR_B32_e64 %23, 16, %20, implicit $exec
     %25:vgpr_32 = V_MUL_LO_U32_e64 100, %24, implicit $exec
     %26:sreg_32 = V_CMP_LT_U32_e64 %25, %2, implicit $exec
     %27:sreg_32 = S_MOV_B32 0

   bb.1:
     successors: %bb.2(0x40000000), %bb.3(0x40000000)

     %28:sreg_32 = PHI undef %29:sreg_32, %bb.0, %30, %bb.3
     %31:sreg_32 = PHI undef %32:sreg_32, %bb.0, %33, %bb.3
     %34:sreg_32 = PHI undef %35:sreg_32, %bb.0, %36, %bb.3
     %37:sreg_32 = PHI undef %38:sreg_32, %bb.0, %39, %bb.3
     %40:sreg_32 = PHI undef %41:sreg_32, %bb.0, %42, %bb.3
     %43:sreg_32 = PHI %27, %bb.0, %44, %bb.3
     %45:sreg_32 = PHI %27, %bb.0, %46, %bb.3
     %47:sreg_32_xm0 = S_ASHR_I32 %45, 31, implicit-def dead $scc
     %48:sreg_64 = REG_SEQUENCE %45, %subreg.sub0, %47, %subreg.sub1
     %49:sreg_64 = nsw S_LSHL_B64 %48, 3, implicit-def dead $scc
     %50:vgpr_32, %51:sreg_32_xm0_xexec = V_ADD_CO_U32_e64 %12.sub0, %49.sub0, 0, implicit $exec
     %52:vgpr_32, dead $sgpr_null = V_ADDC_U32_e64 %49.sub1, %12.sub1, %51, 0, implicit $exec
     %53:vreg_64 = REG_SEQUENCE %50, %subreg.sub0, %52, %subreg.sub1
     %54:vgpr_32 = GLOBAL_LOAD_UBYTE %53, 0, 0, implicit $exec :: (load (s8) from %ir.gep1, addrspace 1)
     %55:vgpr_32 = GLOBAL_LOAD_UBYTE %53, 1, 0, implicit $exec :: (load (s8) from %ir.gep1 + 1, addrspace 1)
     %56:vgpr_32 = V_LSHL_OR_B32_e64 %55, 8, %54, implicit $exec
     %57:vgpr_32 = GLOBAL_LOAD_UBYTE %53, 2, 0, implicit $exec :: (load (s8) from %ir.gep1 + 2, addrspace 1)
     %58:vgpr_32 = GLOBAL_LOAD_UBYTE %53, 3, 0, implicit $exec :: (load (s8) from %ir.gep1 + 3, addrspace 1)
     %59:vgpr_32 = V_LSHL_OR_B32_e64 %58, 8, %57, implicit $exec
     %60:vgpr_32 = V_LSHL_OR_B32_e64 %59, 16, %56, implicit $exec
     %61:sreg_32 = S_ANDN2_B32 %40, $exec_lo, implicit-def dead $scc
     %62:sreg_32 = COPY %61
     %63:sreg_32 = S_OR_B32 %37, $exec_lo, implicit-def dead $scc
     %64:sreg_32 = S_OR_B32 %34, $exec_lo, implicit-def dead $scc
     %65:sreg_32 = SI_IF %17, %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     S_BRANCH %bb.2

   bb.2:
     successors: %bb.4(0x80000000)

     %66:sreg_32 = S_MOV_B32 0
     S_BRANCH %bb.4

   bb.3:
     successors: %bb.15(0x04000000), %bb.1(0x7c000000)

     %36:sreg_32 = PHI %64, %bb.1, %67, %bb.14
     %39:sreg_32 = PHI %63, %bb.1, %68, %bb.14
     %42:sreg_32 = PHI %62, %bb.1, %69, %bb.14
     %46:sreg_32 = PHI undef %70:sreg_32, %bb.1, %71, %bb.14
     %72:vgpr_32 = PHI undef %73:vgpr_32, %bb.1, %74, %bb.14
     %75:vgpr_32 = PHI undef %73:vgpr_32, %bb.1, %76, %bb.14
     SI_END_CF %65, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     %44:sreg_32 = SI_IF_BREAK %36, %43, implicit-def dead $scc
     %77:vgpr_32 = COPY %45, implicit $exec
     %78:sreg_32 = S_ANDN2_B32 %31, $exec_lo, implicit-def dead $scc
     %79:sreg_32 = S_AND_B32 %42, $exec_lo, implicit-def dead $scc
     %33:sreg_32 = S_OR_B32 %78, %79, implicit-def dead $scc
     %80:sreg_32 = S_ANDN2_B32 %28, $exec_lo, implicit-def dead $scc
     %81:sreg_32 = S_AND_B32 %39, $exec_lo, implicit-def dead $scc
     %30:sreg_32 = S_OR_B32 %80, %81, implicit-def dead $scc
     SI_LOOP %44, %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     S_BRANCH %bb.15

   bb.4:
     successors: %bb.5(0x40000000), %bb.6(0x40000000)

     %82:sreg_32 = PHI undef %83:sreg_32, %bb.2, %84, %bb.6
     %85:sreg_32 = PHI undef %86:sreg_32, %bb.2, %87, %bb.6
     %88:sreg_32 = PHI undef %89:sreg_32, %bb.2, %90, %bb.6
     %91:sreg_32 = PHI %66, %bb.2, %92, %bb.6
     %93:sreg_32 = PHI %66, %bb.2, %94, %bb.6
     %95:vgpr_32 = COPY %93, implicit $exec
     %96:sreg_32 = S_OR_B32 %88, $exec_lo, implicit-def dead $scc
     %97:sreg_32 = S_OR_B32 %85, $exec_lo, implicit-def dead $scc
     %98:sreg_32 = SI_IF %15, %bb.6, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     S_BRANCH %bb.5

   bb.5:
     successors: %bb.7(0x40000000), %bb.17(0x40000000)

     GLOBAL_STORE_DWORD %11, %25, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)
     %99:sreg_32 = S_MOV_B32 -1
     %100:sreg_32 = SI_IF %26, %bb.17, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     S_BRANCH %bb.7

   bb.6:
     successors: %bb.18(0x04000000), %bb.4(0x7c000000)

     %87:sreg_32 = PHI %97, %bb.4, %101, %bb.17
     %90:sreg_32 = PHI %96, %bb.4, %102, %bb.17
     %94:sreg_32 = PHI undef %103:sreg_32, %bb.4, %104, %bb.17
     %74:vgpr_32 = PHI %95, %bb.4, %25, %bb.17
     SI_END_CF %98, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     %105:sreg_32 = S_XOR_B32 %90, -1, implicit-def dead $scc
     %92:sreg_32 = SI_IF_BREAK %87, %91, implicit-def dead $scc
     %106:sreg_32 = S_ANDN2_B32 %82, $exec_lo, implicit-def dead $scc
     %107:sreg_32 = S_AND_B32 %105, $exec_lo, implicit-def dead $scc
     %84:sreg_32 = S_OR_B32 %106, %107, implicit-def dead $scc
     SI_LOOP %92, %bb.4, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     S_BRANCH %bb.18

   bb.7:
     successors: %bb.17(0x80000000)

     %108:sreg_32 = S_ADD_I32 %93, 1, implicit-def dead $scc
     %109:sreg_32 = V_CMP_GE_U32_e64 %108, %4, implicit $exec
     %110:sreg_32 = S_XOR_B32 $exec_lo, -1, implicit-def dead $scc
     %111:sreg_32 = S_ORN2_B32 %109, $exec_lo, implicit-def dead $scc
     S_BRANCH %bb.17

   bb.8:
     successors: %bb.14(0x80000000)

     %112:sreg_32 = S_ADD_I32 %45, 1, implicit-def dead $scc
     %113:vgpr_32 = V_ADD_U32_e64 %112, %60, 0, implicit $exec
     GLOBAL_STORE_DWORD %11, %113, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)
     %114:sreg_32 = V_CMP_GE_U32_e64 %112, %3, implicit $exec
     %115:sreg_32 = S_XOR_B32 $exec_lo, -1, implicit-def dead $scc
     %116:sreg_32 = S_ORN2_B32 %114, $exec_lo, implicit-def dead $scc
     S_BRANCH %bb.14

   bb.9:
     successors: %bb.10(0x40000000), %bb.13(0x40000000)

     %117:vgpr_32 = PHI undef %118:vgpr_32, %bb.15, %119, %bb.12
     %120:vreg_64 = PHI %11, %bb.15, undef %121:vreg_64, %bb.12
     %122:sreg_32 = SI_ELSE %123, %bb.13, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     S_BRANCH %bb.10

   bb.10:
     successors: %bb.13(0x80000000)

     %124:vgpr_32 = V_MUL_LO_U32_e64 %60, %77, implicit $exec
     GLOBAL_STORE_DWORD %120, %124, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)
     S_BRANCH %bb.13

   bb.11:
     successors: %bb.12(0x80000000)

     GLOBAL_STORE_DWORD %11, %72, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)

   bb.12:
     successors: %bb.9(0x80000000)

     %119:vgpr_32 = PHI %75, %bb.16, %72, %bb.11
     SI_END_CF %125, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     S_BRANCH %bb.9

   bb.13:
     %126:vgpr_32 = PHI %117, %bb.9, %124, %bb.10
     SI_END_CF %122, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     %127:vgpr_32 = V_ADD3_U32_e64 %24, %126, 100, implicit $exec
     %128:sreg_32_xm0 = V_READFIRSTLANE_B32 %127, implicit $exec
     $sgpr0 = COPY %128
     SI_RETURN_TO_EPILOG killed $sgpr0

   bb.14:
     successors: %bb.3(0x80000000)

     %129:sreg_32 = PHI %130, %bb.18, %116, %bb.8
     %131:sreg_32 = PHI %130, %bb.18, %115, %bb.8
     %71:sreg_32 = PHI undef %132:sreg_32, %bb.18, %112, %bb.8
     %76:vgpr_32 = PHI undef %133:vgpr_32, %bb.18, %113, %bb.8
     SI_END_CF %134, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     %135:sreg_32 = S_ANDN2_B32 %61, $exec_lo, implicit-def dead $scc
     %136:sreg_32 = S_AND_B32 %131, $exec_lo, implicit-def dead $scc
     %69:sreg_32 = S_OR_B32 %135, %136, implicit-def dead $scc
     %137:sreg_32 = S_ANDN2_B32 %63, $exec_lo, implicit-def dead $scc
     %68:sreg_32 = COPY %137
     %138:sreg_32 = S_ANDN2_B32 %64, $exec_lo, implicit-def dead $scc
     %139:sreg_32 = S_AND_B32 %129, $exec_lo, implicit-def dead $scc
     %67:sreg_32 = S_OR_B32 %138, %139, implicit-def dead $scc
     S_BRANCH %bb.3

   bb.15:
     successors: %bb.16(0x40000000), %bb.9(0x40000000)

     SI_END_CF %44, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     %140:sreg_32 = S_XOR_B32 %30, -1, implicit-def dead $scc
     %123:sreg_32 = SI_IF %140, %bb.9, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     S_BRANCH %bb.16

   bb.16:
     successors: %bb.11(0x40000000), %bb.12(0x40000000)

     %125:sreg_32 = SI_IF %33, %bb.12, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     S_BRANCH %bb.11

   bb.17:
     successors: %bb.6(0x80000000)

     %141:sreg_32 = PHI %99, %bb.5, %111, %bb.7
     %142:sreg_32 = PHI %99, %bb.5, %110, %bb.7
     %104:sreg_32 = PHI undef %143:sreg_32, %bb.5, %108, %bb.7
     SI_END_CF %100, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     %144:sreg_32 = S_ANDN2_B32 %96, $exec_lo, implicit-def dead $scc
     %145:sreg_32 = S_AND_B32 %142, $exec_lo, implicit-def dead $scc
     %102:sreg_32 = S_OR_B32 %144, %145, implicit-def dead $scc
     %146:sreg_32 = S_ANDN2_B32 %97, $exec_lo, implicit-def dead $scc
     %147:sreg_32 = S_AND_B32 %141, $exec_lo, implicit-def dead $scc
     %101:sreg_32 = S_OR_B32 %146, %147, implicit-def dead $scc
     S_BRANCH %bb.6

   bb.18:
     successors: %bb.8(0x40000000), %bb.14(0x40000000)

     SI_END_CF %92, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     %130:sreg_32 = S_MOV_B32 -1
     %134:sreg_32 = SI_IF %84, %bb.14, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
     S_BRANCH %bb.8
 ...
 ---


 # CHECK-GX-JSON:      {
 # CHECK-GX-JSON-NEXT:  "next-use-analysis": {
 # CHECK-GX-JSON-NEXT:    "furthest-distances": {
 # CHECK-GX-JSON-NEXT:      "bb.0": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%0:vgpr_32 = COPY $vgpr10",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {},
 # CHECK-GX-JSON-NEXT:          "furthest": {},
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {}
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%1:vgpr_32 = COPY $vgpr9",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 13
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%0",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 13
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%0",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 13
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%2:vgpr_32 = COPY $vgpr8",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 12
 # CHECK-GX-JSON-DAG:             "%1": 14
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%1",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 14
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%1",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 14
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%3:vgpr_32 = COPY $vgpr7",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 11
 # CHECK-GX-JSON-DAG:             "%1": 13
 # CHECK-GX-JSON-DAG:             "%2": 23
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%2",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 23
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%2",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 23
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%4:vgpr_32 = COPY $vgpr6",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 10
 # CHECK-GX-JSON-DAG:             "%1": 12
 # CHECK-GX-JSON-DAG:             "%2": 22
 # CHECK-GX-JSON-DAG:             "%3": 2875
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2875
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2875
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%5:vgpr_32 = COPY $vgpr5",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 9
 # CHECK-GX-JSON-DAG:             "%1": 11
 # CHECK-GX-JSON-DAG:             "%2": 21
 # CHECK-GX-JSON-DAG:             "%3": 2874
 # CHECK-GX-JSON-DAG:             "%4": 66
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2874
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2874
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%6:vgpr_32 = COPY $vgpr4",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 8
 # CHECK-GX-JSON-DAG:             "%1": 10
 # CHECK-GX-JSON-DAG:             "%2": 20
 # CHECK-GX-JSON-DAG:             "%3": 2873
 # CHECK-GX-JSON-DAG:             "%4": 65
 # CHECK-GX-JSON-DAG:             "%5": 5
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2873
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2873
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%7:vgpr_32 = COPY $vgpr3",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 7
 # CHECK-GX-JSON-DAG:             "%1": 9
 # CHECK-GX-JSON-DAG:             "%2": 19
 # CHECK-GX-JSON-DAG:             "%3": 2872
 # CHECK-GX-JSON-DAG:             "%4": 64
 # CHECK-GX-JSON-DAG:             "%5": 4
 # CHECK-GX-JSON-DAG:             "%6": 4
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2872
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2872
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%8:vgpr_32 = COPY $vgpr2",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 6
 # CHECK-GX-JSON-DAG:             "%1": 8
 # CHECK-GX-JSON-DAG:             "%2": 18
 # CHECK-GX-JSON-DAG:             "%3": 2871
 # CHECK-GX-JSON-DAG:             "%4": 63
 # CHECK-GX-JSON-DAG:             "%5": 3
 # CHECK-GX-JSON-DAG:             "%6": 3
 # CHECK-GX-JSON-DAG:             "%7": 4
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2871
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2871
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%9:vgpr_32 = COPY $vgpr1",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 5
 # CHECK-GX-JSON-DAG:             "%1": 7
 # CHECK-GX-JSON-DAG:             "%2": 17
 # CHECK-GX-JSON-DAG:             "%3": 2870
 # CHECK-GX-JSON-DAG:             "%4": 62
 # CHECK-GX-JSON-DAG:             "%5": 2
 # CHECK-GX-JSON-DAG:             "%6": 2
 # CHECK-GX-JSON-DAG:             "%7": 3
 # CHECK-GX-JSON-DAG:             "%8": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2870
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2870
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%10:vgpr_32 = COPY $vgpr0",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 4
 # CHECK-GX-JSON-DAG:             "%1": 6
 # CHECK-GX-JSON-DAG:             "%2": 16
 # CHECK-GX-JSON-DAG:             "%3": 2869
 # CHECK-GX-JSON-DAG:             "%4": 61
 # CHECK-GX-JSON-DAG:             "%5": 1
 # CHECK-GX-JSON-DAG:             "%6": 1
 # CHECK-GX-JSON-DAG:             "%7": 2
 # CHECK-GX-JSON-DAG:             "%8": 2
 # CHECK-GX-JSON-DAG:             "%9": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2869
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2869
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%11:vreg_64 = REG_SEQUENCE %6, %subreg.sub0, %5, %subreg.sub1",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 3
 # CHECK-GX-JSON-DAG:             "%1": 5
 # CHECK-GX-JSON-DAG:             "%2": 15
 # CHECK-GX-JSON-DAG:             "%3": 2868
 # CHECK-GX-JSON-DAG:             "%4": 60
 # CHECK-GX-JSON-DAG:             "%5": 0
 # CHECK-GX-JSON-DAG:             "%6": 0
 # CHECK-GX-JSON-DAG:             "%7": 1
 # CHECK-GX-JSON-DAG:             "%8": 1
 # CHECK-GX-JSON-DAG:             "%9": 2
 # CHECK-GX-JSON-DAG:             "%10": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2868
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2868
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%12:vreg_64 = REG_SEQUENCE %8, %subreg.sub0, %7, %subreg.sub1",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 2
 # CHECK-GX-JSON-DAG:             "%1": 4
 # CHECK-GX-JSON-DAG:             "%2": 14
 # CHECK-GX-JSON-DAG:             "%3": 2867
 # CHECK-GX-JSON-DAG:             "%4": 59
 # CHECK-GX-JSON-DAG:             "%7": 0
 # CHECK-GX-JSON-DAG:             "%8": 0
 # CHECK-GX-JSON-DAG:             "%9": 1
 # CHECK-GX-JSON-DAG:             "%10": 1
 # CHECK-GX-JSON-DAG:             "%11": 54
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2867
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2867
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%13:vreg_64 = REG_SEQUENCE %10, %subreg.sub0, %9, %subreg.sub1",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 1
 # CHECK-GX-JSON-DAG:             "%1": 3
 # CHECK-GX-JSON-DAG:             "%2": 13
 # CHECK-GX-JSON-DAG:             "%3": 2866
 # CHECK-GX-JSON-DAG:             "%4": 58
 # CHECK-GX-JSON-DAG:             "%9": 0
 # CHECK-GX-JSON-DAG:             "%10": 0
 # CHECK-GX-JSON-DAG:             "%11": 53
 # CHECK-GX-JSON-DAG:             "%12:sub0": 25
 # CHECK-GX-JSON-DAG:             "%12:sub1": 26
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2866
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2866
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%14:vgpr_32 = V_AND_B32_e64 1, %0, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%0": 0
 # CHECK-GX-JSON-DAG:             "%1": 2
 # CHECK-GX-JSON-DAG:             "%2": 12
 # CHECK-GX-JSON-DAG:             "%3": 2865
 # CHECK-GX-JSON-DAG:             "%4": 57
 # CHECK-GX-JSON-DAG:             "%11": 52
 # CHECK-GX-JSON-DAG:             "%12:sub0": 24
 # CHECK-GX-JSON-DAG:             "%12:sub1": 25
 # CHECK-GX-JSON-DAG:             "%13": 4
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2865
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2865
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%15:sreg_32 = V_CMP_EQ_U32_e64 1, %14, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%1": 1
 # CHECK-GX-JSON-DAG:             "%2": 11
 # CHECK-GX-JSON-DAG:             "%3": 2864
 # CHECK-GX-JSON-DAG:             "%4": 56
 # CHECK-GX-JSON-DAG:             "%11": 51
 # CHECK-GX-JSON-DAG:             "%12:sub0": 23
 # CHECK-GX-JSON-DAG:             "%12:sub1": 24
 # CHECK-GX-JSON-DAG:             "%13": 3
 # CHECK-GX-JSON-DAG:             "%14": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2864
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2864
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%16:vgpr_32 = V_AND_B32_e64 1, %1, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%1": 0
 # CHECK-GX-JSON-DAG:             "%2": 10
 # CHECK-GX-JSON-DAG:             "%3": 2863
 # CHECK-GX-JSON-DAG:             "%4": 55
 # CHECK-GX-JSON-DAG:             "%11": 50
 # CHECK-GX-JSON-DAG:             "%12:sub0": 22
 # CHECK-GX-JSON-DAG:             "%12:sub1": 23
 # CHECK-GX-JSON-DAG:             "%13": 2
 # CHECK-GX-JSON-DAG:             "%15": 48
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2863
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2863
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%17:sreg_32 = V_CMP_EQ_U32_e64 1, %16, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%2": 9
 # CHECK-GX-JSON-DAG:             "%3": 2862
 # CHECK-GX-JSON-DAG:             "%4": 54
 # CHECK-GX-JSON-DAG:             "%11": 49
 # CHECK-GX-JSON-DAG:             "%12:sub0": 21
 # CHECK-GX-JSON-DAG:             "%12:sub1": 22
 # CHECK-GX-JSON-DAG:             "%13": 1
 # CHECK-GX-JSON-DAG:             "%15": 47
 # CHECK-GX-JSON-DAG:             "%16": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2862
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2862
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%18:vgpr_32 = GLOBAL_LOAD_UBYTE %13, 0, 0, implicit $exec :: (load (s8) from %ir.p1, addrspace 1)",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%2": 8
 # CHECK-GX-JSON-DAG:             "%3": 2861
 # CHECK-GX-JSON-DAG:             "%4": 53
 # CHECK-GX-JSON-DAG:             "%11": 48
 # CHECK-GX-JSON-DAG:             "%12:sub0": 20
 # CHECK-GX-JSON-DAG:             "%12:sub1": 21
 # CHECK-GX-JSON-DAG:             "%13": 0
 # CHECK-GX-JSON-DAG:             "%15": 46
 # CHECK-GX-JSON-DAG:             "%17": 34
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2861
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2861
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%19:vgpr_32 = GLOBAL_LOAD_UBYTE %13, 1, 0, implicit $exec :: (load (s8) from %ir.p1 + 1, addrspace 1)",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%2": 7
 # CHECK-GX-JSON-DAG:             "%3": 2860
 # CHECK-GX-JSON-DAG:             "%4": 52
 # CHECK-GX-JSON-DAG:             "%11": 47
 # CHECK-GX-JSON-DAG:             "%12:sub0": 19
 # CHECK-GX-JSON-DAG:             "%12:sub1": 20
 # CHECK-GX-JSON-DAG:             "%13": 0
 # CHECK-GX-JSON-DAG:             "%15": 45
 # CHECK-GX-JSON-DAG:             "%17": 33
 # CHECK-GX-JSON-DAG:             "%18": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2860
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2860
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%20:vgpr_32 = V_LSHL_OR_B32_e64 %19, 8, %18, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%2": 6
 # CHECK-GX-JSON-DAG:             "%3": 2859
 # CHECK-GX-JSON-DAG:             "%4": 51
 # CHECK-GX-JSON-DAG:             "%11": 46
 # CHECK-GX-JSON-DAG:             "%12:sub0": 18
 # CHECK-GX-JSON-DAG:             "%12:sub1": 19
 # CHECK-GX-JSON-DAG:             "%13": 1
 # CHECK-GX-JSON-DAG:             "%15": 44
 # CHECK-GX-JSON-DAG:             "%17": 32
 # CHECK-GX-JSON-DAG:             "%18": 0
 # CHECK-GX-JSON-DAG:             "%19": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2859
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2859
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%21:vgpr_32 = GLOBAL_LOAD_UBYTE %13, 2, 0, implicit $exec :: (load (s8) from %ir.p1 + 2, addrspace 1)",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%2": 5
 # CHECK-GX-JSON-DAG:             "%3": 2858
 # CHECK-GX-JSON-DAG:             "%4": 50
 # CHECK-GX-JSON-DAG:             "%11": 45
 # CHECK-GX-JSON-DAG:             "%12:sub0": 17
 # CHECK-GX-JSON-DAG:             "%12:sub1": 18
 # CHECK-GX-JSON-DAG:             "%13": 0
 # CHECK-GX-JSON-DAG:             "%15": 43
 # CHECK-GX-JSON-DAG:             "%17": 31
 # CHECK-GX-JSON-DAG:             "%20": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2858
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2858
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%22:vgpr_32 = GLOBAL_LOAD_UBYTE %13, 3, 0, implicit $exec :: (load (s8) from %ir.p1 + 3, addrspace 1)",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%2": 4
 # CHECK-GX-JSON-DAG:             "%3": 2857
 # CHECK-GX-JSON-DAG:             "%4": 49
 # CHECK-GX-JSON-DAG:             "%11": 44
 # CHECK-GX-JSON-DAG:             "%12:sub0": 16
 # CHECK-GX-JSON-DAG:             "%12:sub1": 17
 # CHECK-GX-JSON-DAG:             "%13": 0
 # CHECK-GX-JSON-DAG:             "%15": 42
 # CHECK-GX-JSON-DAG:             "%17": 30
 # CHECK-GX-JSON-DAG:             "%20": 2
 # CHECK-GX-JSON-DAG:             "%21": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2857
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2857
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%23:vgpr_32 = V_LSHL_OR_B32_e64 %22, 8, %21, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%2": 3
 # CHECK-GX-JSON-DAG:             "%3": 2856
 # CHECK-GX-JSON-DAG:             "%4": 48
 # CHECK-GX-JSON-DAG:             "%11": 43
 # CHECK-GX-JSON-DAG:             "%12:sub0": 15
 # CHECK-GX-JSON-DAG:             "%12:sub1": 16
 # CHECK-GX-JSON-DAG:             "%15": 41
 # CHECK-GX-JSON-DAG:             "%17": 29
 # CHECK-GX-JSON-DAG:             "%20": 1
 # CHECK-GX-JSON-DAG:             "%21": 0
 # CHECK-GX-JSON-DAG:             "%22": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2856
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2856
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%24:vgpr_32 = V_LSHL_OR_B32_e64 %23, 16, %20, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%2": 2
 # CHECK-GX-JSON-DAG:             "%3": 2855
 # CHECK-GX-JSON-DAG:             "%4": 47
 # CHECK-GX-JSON-DAG:             "%11": 42
 # CHECK-GX-JSON-DAG:             "%12:sub0": 14
 # CHECK-GX-JSON-DAG:             "%12:sub1": 15
 # CHECK-GX-JSON-DAG:             "%15": 40
 # CHECK-GX-JSON-DAG:             "%17": 28
 # CHECK-GX-JSON-DAG:             "%20": 0
 # CHECK-GX-JSON-DAG:             "%23": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2855
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2855
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%25:vgpr_32 = V_MUL_LO_U32_e64 100, %24, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%2": 1
 # CHECK-GX-JSON-DAG:             "%3": 2854
 # CHECK-GX-JSON-DAG:             "%4": 46
 # CHECK-GX-JSON-DAG:             "%11": 41
 # CHECK-GX-JSON-DAG:             "%12:sub0": 13
 # CHECK-GX-JSON-DAG:             "%12:sub1": 14
 # CHECK-GX-JSON-DAG:             "%15": 39
 # CHECK-GX-JSON-DAG:             "%17": 27
 # CHECK-GX-JSON-DAG:             "%24": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2854
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%3",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2854
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%26:sreg_32 = V_CMP_LT_U32_e64 %25, %2, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%2": 0
 # CHECK-GX-JSON-DAG:             "%3": 2853
 # CHECK-GX-JSON-DAG:             "%4": 45
 # CHECK-GX-JSON-DAG:             "%11": 40
 # CHECK-GX-JSON-DAG:             "%12:sub0": 12
 # CHECK-GX-JSON-DAG:             "%12:sub1": 13
 # CHECK-GX-JSON-DAG:             "%15": 38
 # CHECK-GX-JSON-DAG:             "%17": 26
 # CHECK-GX-JSON-DAG:             "%24": 5516
 # CHECK-GX-JSON-DAG:             "%25": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5516
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5516
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%27:sreg_32 = S_MOV_B32 0",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2852
 # CHECK-GX-JSON-DAG:             "%4": 44
 # CHECK-GX-JSON-DAG:             "%11": 39
 # CHECK-GX-JSON-DAG:             "%12:sub0": 11
 # CHECK-GX-JSON-DAG:             "%12:sub1": 12
 # CHECK-GX-JSON-DAG:             "%15": 37
 # CHECK-GX-JSON-DAG:             "%17": 25
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 39
 # CHECK-GX-JSON-DAG:             "%26": 41
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.1": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%28:sreg_32 = PHI undef %29:sreg_32, %bb.0, %30, %bb.3",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2851
 # CHECK-GX-JSON-DAG:             "%4": 43
 # CHECK-GX-JSON-DAG:             "%11": 38
 # CHECK-GX-JSON-DAG:             "%12:sub0": 10
 # CHECK-GX-JSON-DAG:             "%12:sub1": 11
 # CHECK-GX-JSON-DAG:             "%15": 36
 # CHECK-GX-JSON-DAG:             "%17": 24
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 38
 # CHECK-GX-JSON-DAG:             "%26": 40
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%31:sreg_32 = PHI undef %32:sreg_32, %bb.0, %33, %bb.3",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2850
 # CHECK-GX-JSON-DAG:             "%4": 42
 # CHECK-GX-JSON-DAG:             "%11": 37
 # CHECK-GX-JSON-DAG:             "%12:sub0": 9
 # CHECK-GX-JSON-DAG:             "%12:sub1": 10
 # CHECK-GX-JSON-DAG:             "%15": 35
 # CHECK-GX-JSON-DAG:             "%17": 23
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 37
 # CHECK-GX-JSON-DAG:             "%26": 39
 # CHECK-GX-JSON-DAG:             "%28": 37
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%34:sreg_32 = PHI undef %35:sreg_32, %bb.0, %36, %bb.3",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2849
 # CHECK-GX-JSON-DAG:             "%4": 41
 # CHECK-GX-JSON-DAG:             "%11": 36
 # CHECK-GX-JSON-DAG:             "%12:sub0": 8
 # CHECK-GX-JSON-DAG:             "%12:sub1": 9
 # CHECK-GX-JSON-DAG:             "%15": 34
 # CHECK-GX-JSON-DAG:             "%17": 22
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 36
 # CHECK-GX-JSON-DAG:             "%26": 38
 # CHECK-GX-JSON-DAG:             "%28": 36
 # CHECK-GX-JSON-DAG:             "%31": 33
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%37:sreg_32 = PHI undef %38:sreg_32, %bb.0, %39, %bb.3",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2848
 # CHECK-GX-JSON-DAG:             "%4": 40
 # CHECK-GX-JSON-DAG:             "%11": 35
 # CHECK-GX-JSON-DAG:             "%12:sub0": 7
 # CHECK-GX-JSON-DAG:             "%12:sub1": 8
 # CHECK-GX-JSON-DAG:             "%15": 33
 # CHECK-GX-JSON-DAG:             "%17": 21
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 35
 # CHECK-GX-JSON-DAG:             "%26": 37
 # CHECK-GX-JSON-DAG:             "%28": 35
 # CHECK-GX-JSON-DAG:             "%31": 32
 # CHECK-GX-JSON-DAG:             "%34": 20
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%40:sreg_32 = PHI undef %41:sreg_32, %bb.0, %42, %bb.3",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2847
 # CHECK-GX-JSON-DAG:             "%4": 39
 # CHECK-GX-JSON-DAG:             "%11": 34
 # CHECK-GX-JSON-DAG:             "%12:sub0": 6
 # CHECK-GX-JSON-DAG:             "%12:sub1": 7
 # CHECK-GX-JSON-DAG:             "%15": 32
 # CHECK-GX-JSON-DAG:             "%17": 20
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 34
 # CHECK-GX-JSON-DAG:             "%26": 36
 # CHECK-GX-JSON-DAG:             "%28": 34
 # CHECK-GX-JSON-DAG:             "%31": 31
 # CHECK-GX-JSON-DAG:             "%34": 19
 # CHECK-GX-JSON-DAG:             "%37": 18
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%43:sreg_32 = PHI %27, %bb.0, %44, %bb.3",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2846
 # CHECK-GX-JSON-DAG:             "%4": 38
 # CHECK-GX-JSON-DAG:             "%11": 33
 # CHECK-GX-JSON-DAG:             "%12:sub0": 5
 # CHECK-GX-JSON-DAG:             "%12:sub1": 6
 # CHECK-GX-JSON-DAG:             "%15": 31
 # CHECK-GX-JSON-DAG:             "%17": 19
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 33
 # CHECK-GX-JSON-DAG:             "%26": 35
 # CHECK-GX-JSON-DAG:             "%28": 33
 # CHECK-GX-JSON-DAG:             "%31": 30
 # CHECK-GX-JSON-DAG:             "%34": 18
 # CHECK-GX-JSON-DAG:             "%37": 17
 # CHECK-GX-JSON-DAG:             "%40": 15
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%45:sreg_32 = PHI %27, %bb.0, %46, %bb.3",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2845
 # CHECK-GX-JSON-DAG:             "%4": 37
 # CHECK-GX-JSON-DAG:             "%11": 32
 # CHECK-GX-JSON-DAG:             "%12:sub0": 4
 # CHECK-GX-JSON-DAG:             "%12:sub1": 5
 # CHECK-GX-JSON-DAG:             "%15": 30
 # CHECK-GX-JSON-DAG:             "%17": 18
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 32
 # CHECK-GX-JSON-DAG:             "%26": 34
 # CHECK-GX-JSON-DAG:             "%28": 32
 # CHECK-GX-JSON-DAG:             "%31": 29
 # CHECK-GX-JSON-DAG:             "%34": 17
 # CHECK-GX-JSON-DAG:             "%37": 16
 # CHECK-GX-JSON-DAG:             "%40": 14
 # CHECK-GX-JSON-DAG:             "%43": 27
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%47:sreg_32_xm0 = S_ASHR_I32 %45, 31, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2844
 # CHECK-GX-JSON-DAG:             "%4": 36
 # CHECK-GX-JSON-DAG:             "%11": 31
 # CHECK-GX-JSON-DAG:             "%12:sub0": 3
 # CHECK-GX-JSON-DAG:             "%12:sub1": 4
 # CHECK-GX-JSON-DAG:             "%15": 29
 # CHECK-GX-JSON-DAG:             "%17": 17
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 31
 # CHECK-GX-JSON-DAG:             "%26": 33
 # CHECK-GX-JSON-DAG:             "%28": 31
 # CHECK-GX-JSON-DAG:             "%31": 28
 # CHECK-GX-JSON-DAG:             "%34": 16
 # CHECK-GX-JSON-DAG:             "%37": 15
 # CHECK-GX-JSON-DAG:             "%40": 13
 # CHECK-GX-JSON-DAG:             "%43": 26
 # CHECK-GX-JSON-DAG:             "%45": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%48:sreg_64 = REG_SEQUENCE %45, %subreg.sub0, %47, %subreg.sub1",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2843
 # CHECK-GX-JSON-DAG:             "%4": 35
 # CHECK-GX-JSON-DAG:             "%11": 30
 # CHECK-GX-JSON-DAG:             "%12:sub0": 2
 # CHECK-GX-JSON-DAG:             "%12:sub1": 3
 # CHECK-GX-JSON-DAG:             "%15": 28
 # CHECK-GX-JSON-DAG:             "%17": 16
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 30
 # CHECK-GX-JSON-DAG:             "%26": 32
 # CHECK-GX-JSON-DAG:             "%28": 30
 # CHECK-GX-JSON-DAG:             "%31": 27
 # CHECK-GX-JSON-DAG:             "%34": 15
 # CHECK-GX-JSON-DAG:             "%37": 14
 # CHECK-GX-JSON-DAG:             "%40": 12
 # CHECK-GX-JSON-DAG:             "%43": 25
 # CHECK-GX-JSON-DAG:             "%45": 0
 # CHECK-GX-JSON-DAG:             "%47": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%49:sreg_64 = nsw S_LSHL_B64 %48, 3, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2842
 # CHECK-GX-JSON-DAG:             "%4": 34
 # CHECK-GX-JSON-DAG:             "%11": 29
 # CHECK-GX-JSON-DAG:             "%12:sub0": 1
 # CHECK-GX-JSON-DAG:             "%12:sub1": 2
 # CHECK-GX-JSON-DAG:             "%15": 27
 # CHECK-GX-JSON-DAG:             "%17": 15
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 29
 # CHECK-GX-JSON-DAG:             "%26": 31
 # CHECK-GX-JSON-DAG:             "%28": 29
 # CHECK-GX-JSON-DAG:             "%31": 26
 # CHECK-GX-JSON-DAG:             "%34": 14
 # CHECK-GX-JSON-DAG:             "%37": 13
 # CHECK-GX-JSON-DAG:             "%40": 11
 # CHECK-GX-JSON-DAG:             "%43": 24
 # CHECK-GX-JSON-DAG:             "%45": 25
 # CHECK-GX-JSON-DAG:             "%48": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%50:vgpr_32, %51:sreg_32_xm0_xexec = V_ADD_CO_U32_e64 %12.sub0, %49.sub0, 0, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2841
 # CHECK-GX-JSON-DAG:             "%4": 33
 # CHECK-GX-JSON-DAG:             "%11": 28
 # CHECK-GX-JSON-DAG:             "%12:sub0": 0
 # CHECK-GX-JSON-DAG:             "%12:sub1": 1
 # CHECK-GX-JSON-DAG:             "%15": 26
 # CHECK-GX-JSON-DAG:             "%17": 14
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 28
 # CHECK-GX-JSON-DAG:             "%26": 30
 # CHECK-GX-JSON-DAG:             "%28": 28
 # CHECK-GX-JSON-DAG:             "%31": 25
 # CHECK-GX-JSON-DAG:             "%34": 13
 # CHECK-GX-JSON-DAG:             "%37": 12
 # CHECK-GX-JSON-DAG:             "%40": 10
 # CHECK-GX-JSON-DAG:             "%43": 23
 # CHECK-GX-JSON-DAG:             "%45": 24
 # CHECK-GX-JSON-DAG:             "%49:sub0": 0
 # CHECK-GX-JSON-DAG:             "%49:sub1": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%52:vgpr_32, dead $sgpr_null = V_ADDC_U32_e64 %49.sub1, %12.sub1, %51, 0, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2840
 # CHECK-GX-JSON-DAG:             "%4": 32
 # CHECK-GX-JSON-DAG:             "%11": 27
 # CHECK-GX-JSON-DAG:             "%12:sub1": 0
 # CHECK-GX-JSON-DAG:             "%15": 25
 # CHECK-GX-JSON-DAG:             "%17": 13
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 27
 # CHECK-GX-JSON-DAG:             "%26": 29
 # CHECK-GX-JSON-DAG:             "%28": 27
 # CHECK-GX-JSON-DAG:             "%31": 24
 # CHECK-GX-JSON-DAG:             "%34": 12
 # CHECK-GX-JSON-DAG:             "%37": 11
 # CHECK-GX-JSON-DAG:             "%40": 9
 # CHECK-GX-JSON-DAG:             "%43": 22
 # CHECK-GX-JSON-DAG:             "%45": 23
 # CHECK-GX-JSON-DAG:             "%49:sub1": 0
 # CHECK-GX-JSON-DAG:             "%50": 1
 # CHECK-GX-JSON-DAG:             "%51": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%53:vreg_64 = REG_SEQUENCE %50, %subreg.sub0, %52, %subreg.sub1",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2839
 # CHECK-GX-JSON-DAG:             "%4": 31
 # CHECK-GX-JSON-DAG:             "%11": 26
 # CHECK-GX-JSON-DAG:             "%15": 24
 # CHECK-GX-JSON-DAG:             "%17": 12
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 26
 # CHECK-GX-JSON-DAG:             "%26": 28
 # CHECK-GX-JSON-DAG:             "%28": 26
 # CHECK-GX-JSON-DAG:             "%31": 23
 # CHECK-GX-JSON-DAG:             "%34": 11
 # CHECK-GX-JSON-DAG:             "%37": 10
 # CHECK-GX-JSON-DAG:             "%40": 8
 # CHECK-GX-JSON-DAG:             "%43": 21
 # CHECK-GX-JSON-DAG:             "%45": 22
 # CHECK-GX-JSON-DAG:             "%50": 0
 # CHECK-GX-JSON-DAG:             "%52": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%54:vgpr_32 = GLOBAL_LOAD_UBYTE %53, 0, 0, implicit $exec :: (load (s8) from %ir.gep1, addrspace 1)",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2838
 # CHECK-GX-JSON-DAG:             "%4": 30
 # CHECK-GX-JSON-DAG:             "%11": 25
 # CHECK-GX-JSON-DAG:             "%15": 23
 # CHECK-GX-JSON-DAG:             "%17": 11
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 25
 # CHECK-GX-JSON-DAG:             "%26": 27
 # CHECK-GX-JSON-DAG:             "%28": 25
 # CHECK-GX-JSON-DAG:             "%31": 22
 # CHECK-GX-JSON-DAG:             "%34": 10
 # CHECK-GX-JSON-DAG:             "%37": 9
 # CHECK-GX-JSON-DAG:             "%40": 7
 # CHECK-GX-JSON-DAG:             "%43": 20
 # CHECK-GX-JSON-DAG:             "%45": 21
 # CHECK-GX-JSON-DAG:             "%53": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%55:vgpr_32 = GLOBAL_LOAD_UBYTE %53, 1, 0, implicit $exec :: (load (s8) from %ir.gep1 + 1, addrspace 1)",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2837
 # CHECK-GX-JSON-DAG:             "%4": 29
 # CHECK-GX-JSON-DAG:             "%11": 24
 # CHECK-GX-JSON-DAG:             "%15": 22
 # CHECK-GX-JSON-DAG:             "%17": 10
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 24
 # CHECK-GX-JSON-DAG:             "%26": 26
 # CHECK-GX-JSON-DAG:             "%28": 24
 # CHECK-GX-JSON-DAG:             "%31": 21
 # CHECK-GX-JSON-DAG:             "%34": 9
 # CHECK-GX-JSON-DAG:             "%37": 8
 # CHECK-GX-JSON-DAG:             "%40": 6
 # CHECK-GX-JSON-DAG:             "%43": 19
 # CHECK-GX-JSON-DAG:             "%45": 20
 # CHECK-GX-JSON-DAG:             "%53": 0
 # CHECK-GX-JSON-DAG:             "%54": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%56:vgpr_32 = V_LSHL_OR_B32_e64 %55, 8, %54, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2836
 # CHECK-GX-JSON-DAG:             "%4": 28
 # CHECK-GX-JSON-DAG:             "%11": 23
 # CHECK-GX-JSON-DAG:             "%15": 21
 # CHECK-GX-JSON-DAG:             "%17": 9
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 23
 # CHECK-GX-JSON-DAG:             "%26": 25
 # CHECK-GX-JSON-DAG:             "%28": 23
 # CHECK-GX-JSON-DAG:             "%31": 20
 # CHECK-GX-JSON-DAG:             "%34": 8
 # CHECK-GX-JSON-DAG:             "%37": 7
 # CHECK-GX-JSON-DAG:             "%40": 5
 # CHECK-GX-JSON-DAG:             "%43": 18
 # CHECK-GX-JSON-DAG:             "%45": 19
 # CHECK-GX-JSON-DAG:             "%53": 1
 # CHECK-GX-JSON-DAG:             "%54": 0
 # CHECK-GX-JSON-DAG:             "%55": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%57:vgpr_32 = GLOBAL_LOAD_UBYTE %53, 2, 0, implicit $exec :: (load (s8) from %ir.gep1 + 2, addrspace 1)",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2835
 # CHECK-GX-JSON-DAG:             "%4": 27
 # CHECK-GX-JSON-DAG:             "%11": 22
 # CHECK-GX-JSON-DAG:             "%15": 20
 # CHECK-GX-JSON-DAG:             "%17": 8
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 22
 # CHECK-GX-JSON-DAG:             "%26": 24
 # CHECK-GX-JSON-DAG:             "%28": 22
 # CHECK-GX-JSON-DAG:             "%31": 19
 # CHECK-GX-JSON-DAG:             "%34": 7
 # CHECK-GX-JSON-DAG:             "%37": 6
 # CHECK-GX-JSON-DAG:             "%40": 4
 # CHECK-GX-JSON-DAG:             "%43": 17
 # CHECK-GX-JSON-DAG:             "%45": 18
 # CHECK-GX-JSON-DAG:             "%53": 0
 # CHECK-GX-JSON-DAG:             "%56": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%58:vgpr_32 = GLOBAL_LOAD_UBYTE %53, 3, 0, implicit $exec :: (load (s8) from %ir.gep1 + 3, addrspace 1)",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2834
 # CHECK-GX-JSON-DAG:             "%4": 26
 # CHECK-GX-JSON-DAG:             "%11": 21
 # CHECK-GX-JSON-DAG:             "%15": 19
 # CHECK-GX-JSON-DAG:             "%17": 7
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 21
 # CHECK-GX-JSON-DAG:             "%26": 23
 # CHECK-GX-JSON-DAG:             "%28": 21
 # CHECK-GX-JSON-DAG:             "%31": 18
 # CHECK-GX-JSON-DAG:             "%34": 6
 # CHECK-GX-JSON-DAG:             "%37": 5
 # CHECK-GX-JSON-DAG:             "%40": 3
 # CHECK-GX-JSON-DAG:             "%43": 16
 # CHECK-GX-JSON-DAG:             "%45": 17
 # CHECK-GX-JSON-DAG:             "%53": 0
 # CHECK-GX-JSON-DAG:             "%56": 2
 # CHECK-GX-JSON-DAG:             "%57": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%59:vgpr_32 = V_LSHL_OR_B32_e64 %58, 8, %57, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2833
 # CHECK-GX-JSON-DAG:             "%4": 25
 # CHECK-GX-JSON-DAG:             "%11": 20
 # CHECK-GX-JSON-DAG:             "%15": 18
 # CHECK-GX-JSON-DAG:             "%17": 6
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 20
 # CHECK-GX-JSON-DAG:             "%26": 22
 # CHECK-GX-JSON-DAG:             "%28": 20
 # CHECK-GX-JSON-DAG:             "%31": 17
 # CHECK-GX-JSON-DAG:             "%34": 5
 # CHECK-GX-JSON-DAG:             "%37": 4
 # CHECK-GX-JSON-DAG:             "%40": 2
 # CHECK-GX-JSON-DAG:             "%43": 15
 # CHECK-GX-JSON-DAG:             "%45": 16
 # CHECK-GX-JSON-DAG:             "%56": 1
 # CHECK-GX-JSON-DAG:             "%57": 0
 # CHECK-GX-JSON-DAG:             "%58": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%60:vgpr_32 = V_LSHL_OR_B32_e64 %59, 16, %56, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2832
 # CHECK-GX-JSON-DAG:             "%4": 24
 # CHECK-GX-JSON-DAG:             "%11": 19
 # CHECK-GX-JSON-DAG:             "%15": 17
 # CHECK-GX-JSON-DAG:             "%17": 5
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 19
 # CHECK-GX-JSON-DAG:             "%26": 21
 # CHECK-GX-JSON-DAG:             "%28": 19
 # CHECK-GX-JSON-DAG:             "%31": 16
 # CHECK-GX-JSON-DAG:             "%34": 4
 # CHECK-GX-JSON-DAG:             "%37": 3
 # CHECK-GX-JSON-DAG:             "%40": 1
 # CHECK-GX-JSON-DAG:             "%43": 14
 # CHECK-GX-JSON-DAG:             "%45": 15
 # CHECK-GX-JSON-DAG:             "%56": 0
 # CHECK-GX-JSON-DAG:             "%59": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%61:sreg_32 = S_ANDN2_B32 %40, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2831
 # CHECK-GX-JSON-DAG:             "%4": 23
 # CHECK-GX-JSON-DAG:             "%11": 18
 # CHECK-GX-JSON-DAG:             "%15": 16
 # CHECK-GX-JSON-DAG:             "%17": 4
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 18
 # CHECK-GX-JSON-DAG:             "%26": 20
 # CHECK-GX-JSON-DAG:             "%28": 18
 # CHECK-GX-JSON-DAG:             "%31": 15
 # CHECK-GX-JSON-DAG:             "%34": 3
 # CHECK-GX-JSON-DAG:             "%37": 2
 # CHECK-GX-JSON-DAG:             "%40": 0
 # CHECK-GX-JSON-DAG:             "%43": 13
 # CHECK-GX-JSON-DAG:             "%45": 14
 # CHECK-GX-JSON-DAG:             "%60": 2829
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%62:sreg_32 = COPY %61",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2830
 # CHECK-GX-JSON-DAG:             "%4": 22
 # CHECK-GX-JSON-DAG:             "%11": 17
 # CHECK-GX-JSON-DAG:             "%15": 15
 # CHECK-GX-JSON-DAG:             "%17": 3
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 17
 # CHECK-GX-JSON-DAG:             "%26": 19
 # CHECK-GX-JSON-DAG:             "%28": 17
 # CHECK-GX-JSON-DAG:             "%31": 14
 # CHECK-GX-JSON-DAG:             "%34": 2
 # CHECK-GX-JSON-DAG:             "%37": 1
 # CHECK-GX-JSON-DAG:             "%43": 12
 # CHECK-GX-JSON-DAG:             "%45": 13
 # CHECK-GX-JSON-DAG:             "%60": 2828
 # CHECK-GX-JSON-DAG:             "%61": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%63:sreg_32 = S_OR_B32 %37, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2829
 # CHECK-GX-JSON-DAG:             "%4": 21
 # CHECK-GX-JSON-DAG:             "%11": 16
 # CHECK-GX-JSON-DAG:             "%15": 14
 # CHECK-GX-JSON-DAG:             "%17": 2
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 16
 # CHECK-GX-JSON-DAG:             "%26": 18
 # CHECK-GX-JSON-DAG:             "%28": 16
 # CHECK-GX-JSON-DAG:             "%31": 13
 # CHECK-GX-JSON-DAG:             "%34": 1
 # CHECK-GX-JSON-DAG:             "%37": 0
 # CHECK-GX-JSON-DAG:             "%43": 11
 # CHECK-GX-JSON-DAG:             "%45": 12
 # CHECK-GX-JSON-DAG:             "%60": 2827
 # CHECK-GX-JSON-DAG:             "%61": 2831
 # CHECK-GX-JSON-DAG:             "%62": 6
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%64:sreg_32 = S_OR_B32 %34, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2828
 # CHECK-GX-JSON-DAG:             "%4": 20
 # CHECK-GX-JSON-DAG:             "%11": 15
 # CHECK-GX-JSON-DAG:             "%15": 13
 # CHECK-GX-JSON-DAG:             "%17": 1
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 15
 # CHECK-GX-JSON-DAG:             "%26": 17
 # CHECK-GX-JSON-DAG:             "%28": 15
 # CHECK-GX-JSON-DAG:             "%31": 12
 # CHECK-GX-JSON-DAG:             "%34": 0
 # CHECK-GX-JSON-DAG:             "%43": 10
 # CHECK-GX-JSON-DAG:             "%45": 11
 # CHECK-GX-JSON-DAG:             "%60": 2826
 # CHECK-GX-JSON-DAG:             "%61": 2830
 # CHECK-GX-JSON-DAG:             "%62": 5
 # CHECK-GX-JSON-DAG:             "%63": 4
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%65:sreg_32 = SI_IF %17, %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2827
 # CHECK-GX-JSON-DAG:             "%4": 19
 # CHECK-GX-JSON-DAG:             "%11": 14
 # CHECK-GX-JSON-DAG:             "%15": 12
 # CHECK-GX-JSON-DAG:             "%17": 0
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 14
 # CHECK-GX-JSON-DAG:             "%26": 16
 # CHECK-GX-JSON-DAG:             "%28": 14
 # CHECK-GX-JSON-DAG:             "%31": 11
 # CHECK-GX-JSON-DAG:             "%43": 9
 # CHECK-GX-JSON-DAG:             "%45": 10
 # CHECK-GX-JSON-DAG:             "%60": 2825
 # CHECK-GX-JSON-DAG:             "%61": 2829
 # CHECK-GX-JSON-DAG:             "%62": 4
 # CHECK-GX-JSON-DAG:             "%63": 3
 # CHECK-GX-JSON-DAG:             "%64": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.2",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2826
 # CHECK-GX-JSON-DAG:             "%4": 18
 # CHECK-GX-JSON-DAG:             "%11": 13
 # CHECK-GX-JSON-DAG:             "%15": 11
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%25": 13
 # CHECK-GX-JSON-DAG:             "%26": 15
 # CHECK-GX-JSON-DAG:             "%28": 13
 # CHECK-GX-JSON-DAG:             "%31": 10
 # CHECK-GX-JSON-DAG:             "%43": 8
 # CHECK-GX-JSON-DAG:             "%45": 9
 # CHECK-GX-JSON-DAG:             "%60": 2824
 # CHECK-GX-JSON-DAG:             "%61": 2828
 # CHECK-GX-JSON-DAG:             "%62": 3
 # CHECK-GX-JSON-DAG:             "%63": 2
 # CHECK-GX-JSON-DAG:             "%64": 1
 # CHECK-GX-JSON-DAG:             "%65": 7
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.2": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%66:sreg_32 = S_MOV_B32 0",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2825
 # CHECK-GX-JSON-DAG:             "%4": 17
 # CHECK-GX-JSON-DAG:             "%11": 12
 # CHECK-GX-JSON-DAG:             "%15": 10
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 12
 # CHECK-GX-JSON-DAG:             "%26": 14
 # CHECK-GX-JSON-DAG:             "%28": 2848
 # CHECK-GX-JSON-DAG:             "%31": 2845
 # CHECK-GX-JSON-DAG:             "%43": 2843
 # CHECK-GX-JSON-DAG:             "%45": 2822
 # CHECK-GX-JSON-DAG:             "%60": 2823
 # CHECK-GX-JSON-DAG:             "%61": 2827
 # CHECK-GX-JSON-DAG:             "%63": 2830
 # CHECK-GX-JSON-DAG:             "%64": 2832
 # CHECK-GX-JSON-DAG:             "%65": 2842
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.4",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%4": 16
 # CHECK-GX-JSON-DAG:             "%11": 11
 # CHECK-GX-JSON-DAG:             "%15": 9
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 11
 # CHECK-GX-JSON-DAG:             "%26": 13
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%66": 4
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.3": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%36:sreg_32 = PHI %64, %bb.1, %67, %bb.14",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%28": 12
 # CHECK-GX-JSON-DAG:             "%31": 9
 # CHECK-GX-JSON-DAG:             "%43": 7
 # CHECK-GX-JSON-DAG:             "%45": 8
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%65": 6
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%39:sreg_32 = PHI %63, %bb.1, %68, %bb.14",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%28": 11
 # CHECK-GX-JSON-DAG:             "%31": 8
 # CHECK-GX-JSON-DAG:             "%36": 6
 # CHECK-GX-JSON-DAG:             "%43": 6
 # CHECK-GX-JSON-DAG:             "%45": 7
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%65": 5
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%42:sreg_32 = PHI %62, %bb.1, %69, %bb.14",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%28": 10
 # CHECK-GX-JSON-DAG:             "%31": 7
 # CHECK-GX-JSON-DAG:             "%36": 5
 # CHECK-GX-JSON-DAG:             "%39": 11
 # CHECK-GX-JSON-DAG:             "%43": 5
 # CHECK-GX-JSON-DAG:             "%45": 6
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%65": 4
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%46:sreg_32 = PHI undef %70:sreg_32, %bb.1, %71, %bb.14",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%28": 9
 # CHECK-GX-JSON-DAG:             "%31": 6
 # CHECK-GX-JSON-DAG:             "%36": 4
 # CHECK-GX-JSON-DAG:             "%39": 10
 # CHECK-GX-JSON-DAG:             "%42": 7
 # CHECK-GX-JSON-DAG:             "%43": 4
 # CHECK-GX-JSON-DAG:             "%45": 5
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%65": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%72:vgpr_32 = PHI undef %73:vgpr_32, %bb.1, %74, %bb.14",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%28": 8
 # CHECK-GX-JSON-DAG:             "%31": 5
 # CHECK-GX-JSON-DAG:             "%36": 3
 # CHECK-GX-JSON-DAG:             "%39": 9
 # CHECK-GX-JSON-DAG:             "%42": 6
 # CHECK-GX-JSON-DAG:             "%43": 3
 # CHECK-GX-JSON-DAG:             "%45": 4
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%65": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%75:vgpr_32 = PHI undef %73:vgpr_32, %bb.1, %76, %bb.14",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%28": 7
 # CHECK-GX-JSON-DAG:             "%31": 4
 # CHECK-GX-JSON-DAG:             "%36": 2
 # CHECK-GX-JSON-DAG:             "%39": 8
 # CHECK-GX-JSON-DAG:             "%42": 5
 # CHECK-GX-JSON-DAG:             "%43": 2
 # CHECK-GX-JSON-DAG:             "%45": 3
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%65": 1
 # CHECK-GX-JSON-DAG:             "%72": 5511
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %65, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%28": 6
 # CHECK-GX-JSON-DAG:             "%31": 3
 # CHECK-GX-JSON-DAG:             "%36": 1
 # CHECK-GX-JSON-DAG:             "%39": 7
 # CHECK-GX-JSON-DAG:             "%42": 4
 # CHECK-GX-JSON-DAG:             "%43": 1
 # CHECK-GX-JSON-DAG:             "%45": 2
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%65": 0
 # CHECK-GX-JSON-DAG:             "%72": 5511
 # CHECK-GX-JSON-DAG:             "%75": 5511
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%44:sreg_32 = SI_IF_BREAK %36, %43, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%28": 5
 # CHECK-GX-JSON-DAG:             "%31": 2
 # CHECK-GX-JSON-DAG:             "%36": 0
 # CHECK-GX-JSON-DAG:             "%39": 6
 # CHECK-GX-JSON-DAG:             "%42": 3
 # CHECK-GX-JSON-DAG:             "%43": 0
 # CHECK-GX-JSON-DAG:             "%45": 1
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%72": 5511
 # CHECK-GX-JSON-DAG:             "%75": 5511
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%77:vgpr_32 = COPY %45, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%28": 4
 # CHECK-GX-JSON-DAG:             "%31": 1
 # CHECK-GX-JSON-DAG:             "%39": 5
 # CHECK-GX-JSON-DAG:             "%42": 2
 # CHECK-GX-JSON-DAG:             "%44": 7
 # CHECK-GX-JSON-DAG:             "%45": 0
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%72": 5511
 # CHECK-GX-JSON-DAG:             "%75": 5511
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%78:sreg_32 = S_ANDN2_B32 %31, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%28": 3
 # CHECK-GX-JSON-DAG:             "%31": 0
 # CHECK-GX-JSON-DAG:             "%39": 4
 # CHECK-GX-JSON-DAG:             "%42": 1
 # CHECK-GX-JSON-DAG:             "%44": 6
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%72": 5511
 # CHECK-GX-JSON-DAG:             "%75": 5511
 # CHECK-GX-JSON-DAG:             "%77": 5513
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%79:sreg_32 = S_AND_B32 %42, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%28": 2
 # CHECK-GX-JSON-DAG:             "%39": 3
 # CHECK-GX-JSON-DAG:             "%42": 0
 # CHECK-GX-JSON-DAG:             "%44": 5
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%72": 5511
 # CHECK-GX-JSON-DAG:             "%75": 5511
 # CHECK-GX-JSON-DAG:             "%77": 5513
 # CHECK-GX-JSON-DAG:             "%78": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%33:sreg_32 = S_OR_B32 %78, %79, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%28": 1
 # CHECK-GX-JSON-DAG:             "%39": 2
 # CHECK-GX-JSON-DAG:             "%44": 4
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%72": 5511
 # CHECK-GX-JSON-DAG:             "%75": 5511
 # CHECK-GX-JSON-DAG:             "%77": 5513
 # CHECK-GX-JSON-DAG:             "%78": 0
 # CHECK-GX-JSON-DAG:             "%79": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%80:sreg_32 = S_ANDN2_B32 %28, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%28": 0
 # CHECK-GX-JSON-DAG:             "%33": 5509
 # CHECK-GX-JSON-DAG:             "%39": 1
 # CHECK-GX-JSON-DAG:             "%44": 3
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%72": 5511
 # CHECK-GX-JSON-DAG:             "%75": 5511
 # CHECK-GX-JSON-DAG:             "%77": 5513
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%81:sreg_32 = S_AND_B32 %39, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%33": 5509
 # CHECK-GX-JSON-DAG:             "%39": 0
 # CHECK-GX-JSON-DAG:             "%44": 2
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%72": 5511
 # CHECK-GX-JSON-DAG:             "%75": 5511
 # CHECK-GX-JSON-DAG:             "%77": 5513
 # CHECK-GX-JSON-DAG:             "%80": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%30:sreg_32 = S_OR_B32 %80, %81, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%33": 5509
 # CHECK-GX-JSON-DAG:             "%44": 1
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%72": 5511
 # CHECK-GX-JSON-DAG:             "%75": 5511
 # CHECK-GX-JSON-DAG:             "%77": 5513
 # CHECK-GX-JSON-DAG:             "%80": 0
 # CHECK-GX-JSON-DAG:             "%81": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "SI_LOOP %44, %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%30": 5506
 # CHECK-GX-JSON-DAG:             "%33": 5509
 # CHECK-GX-JSON-DAG:             "%44": 0
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%72": 5511
 # CHECK-GX-JSON-DAG:             "%75": 5511
 # CHECK-GX-JSON-DAG:             "%77": 5513
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.15",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5510
 # CHECK-GX-JSON-DAG:             "%24": 5515
 # CHECK-GX-JSON-DAG:             "%30": 5506
 # CHECK-GX-JSON-DAG:             "%33": 5509
 # CHECK-GX-JSON-DAG:             "%44": 5505
 # CHECK-GX-JSON-DAG:             "%60": 5513
 # CHECK-GX-JSON-DAG:             "%72": 5511
 # CHECK-GX-JSON-DAG:             "%75": 5511
 # CHECK-GX-JSON-DAG:             "%77": 5513
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5515
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.4": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%82:sreg_32 = PHI undef %83:sreg_32, %bb.2, %84, %bb.6",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%4": 15
 # CHECK-GX-JSON-DAG:             "%11": 10
 # CHECK-GX-JSON-DAG:             "%15": 8
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 10
 # CHECK-GX-JSON-DAG:             "%26": 12
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%85:sreg_32 = PHI undef %86:sreg_32, %bb.2, %87, %bb.6",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%4": 14
 # CHECK-GX-JSON-DAG:             "%11": 9
 # CHECK-GX-JSON-DAG:             "%15": 7
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 9
 # CHECK-GX-JSON-DAG:             "%26": 11
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%82": 16
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%88:sreg_32 = PHI undef %89:sreg_32, %bb.2, %90, %bb.6",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%4": 13
 # CHECK-GX-JSON-DAG:             "%11": 8
 # CHECK-GX-JSON-DAG:             "%15": 6
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 8
 # CHECK-GX-JSON-DAG:             "%26": 10
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%82": 15
 # CHECK-GX-JSON-DAG:             "%85": 5
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%91:sreg_32 = PHI %66, %bb.2, %92, %bb.6",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%4": 12
 # CHECK-GX-JSON-DAG:             "%11": 7
 # CHECK-GX-JSON-DAG:             "%15": 5
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 7
 # CHECK-GX-JSON-DAG:             "%26": 9
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%82": 14
 # CHECK-GX-JSON-DAG:             "%85": 4
 # CHECK-GX-JSON-DAG:             "%88": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%93:sreg_32 = PHI %66, %bb.2, %94, %bb.6",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%4": 11
 # CHECK-GX-JSON-DAG:             "%11": 6
 # CHECK-GX-JSON-DAG:             "%15": 4
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 6
 # CHECK-GX-JSON-DAG:             "%26": 8
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%82": 13
 # CHECK-GX-JSON-DAG:             "%85": 3
 # CHECK-GX-JSON-DAG:             "%88": 2
 # CHECK-GX-JSON-DAG:             "%91": 12
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%95:vgpr_32 = COPY %93, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%4": 10
 # CHECK-GX-JSON-DAG:             "%11": 5
 # CHECK-GX-JSON-DAG:             "%15": 3
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 5
 # CHECK-GX-JSON-DAG:             "%26": 7
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%82": 12
 # CHECK-GX-JSON-DAG:             "%85": 2
 # CHECK-GX-JSON-DAG:             "%88": 1
 # CHECK-GX-JSON-DAG:             "%91": 11
 # CHECK-GX-JSON-DAG:             "%93": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%96:sreg_32 = S_OR_B32 %88, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%4": 9
 # CHECK-GX-JSON-DAG:             "%11": 4
 # CHECK-GX-JSON-DAG:             "%15": 2
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 4
 # CHECK-GX-JSON-DAG:             "%26": 6
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%82": 11
 # CHECK-GX-JSON-DAG:             "%85": 1
 # CHECK-GX-JSON-DAG:             "%88": 0
 # CHECK-GX-JSON-DAG:             "%91": 10
 # CHECK-GX-JSON-DAG:             "%93": 8
 # CHECK-GX-JSON-DAG:             "%95": 7
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%97:sreg_32 = S_OR_B32 %85, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%4": 8
 # CHECK-GX-JSON-DAG:             "%11": 3
 # CHECK-GX-JSON-DAG:             "%15": 1
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 3
 # CHECK-GX-JSON-DAG:             "%26": 5
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%82": 10
 # CHECK-GX-JSON-DAG:             "%85": 0
 # CHECK-GX-JSON-DAG:             "%91": 9
 # CHECK-GX-JSON-DAG:             "%93": 7
 # CHECK-GX-JSON-DAG:             "%95": 6
 # CHECK-GX-JSON-DAG:             "%96": 4
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%98:sreg_32 = SI_IF %15, %bb.6, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%4": 7
 # CHECK-GX-JSON-DAG:             "%11": 2
 # CHECK-GX-JSON-DAG:             "%15": 0
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 2
 # CHECK-GX-JSON-DAG:             "%26": 4
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%82": 9
 # CHECK-GX-JSON-DAG:             "%91": 8
 # CHECK-GX-JSON-DAG:             "%93": 6
 # CHECK-GX-JSON-DAG:             "%95": 5
 # CHECK-GX-JSON-DAG:             "%96": 3
 # CHECK-GX-JSON-DAG:             "%97": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.5",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%4": 6
 # CHECK-GX-JSON-DAG:             "%11": 1
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 1
 # CHECK-GX-JSON-DAG:             "%26": 3
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%82": 8
 # CHECK-GX-JSON-DAG:             "%91": 7
 # CHECK-GX-JSON-DAG:             "%93": 5
 # CHECK-GX-JSON-DAG:             "%95": 4
 # CHECK-GX-JSON-DAG:             "%96": 2
 # CHECK-GX-JSON-DAG:             "%97": 1
 # CHECK-GX-JSON-DAG:             "%98": 5
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.5": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "GLOBAL_STORE_DWORD %11, %25, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%4": 5
 # CHECK-GX-JSON-DAG:             "%11": 0
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 0
 # CHECK-GX-JSON-DAG:             "%26": 2
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 22
 # CHECK-GX-JSON-DAG:             "%91": 21
 # CHECK-GX-JSON-DAG:             "%93": 4
 # CHECK-GX-JSON-DAG:             "%96": 8
 # CHECK-GX-JSON-DAG:             "%97": 11
 # CHECK-GX-JSON-DAG:             "%98": 19
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%99:sreg_32 = S_MOV_B32 -1",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%4": 4
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 17
 # CHECK-GX-JSON-DAG:             "%26": 1
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 21
 # CHECK-GX-JSON-DAG:             "%91": 20
 # CHECK-GX-JSON-DAG:             "%93": 3
 # CHECK-GX-JSON-DAG:             "%96": 7
 # CHECK-GX-JSON-DAG:             "%97": 10
 # CHECK-GX-JSON-DAG:             "%98": 18
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%100:sreg_32 = SI_IF %26, %bb.17, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%4": 3
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 16
 # CHECK-GX-JSON-DAG:             "%26": 0
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 20
 # CHECK-GX-JSON-DAG:             "%91": 19
 # CHECK-GX-JSON-DAG:             "%93": 2
 # CHECK-GX-JSON-DAG:             "%96": 6
 # CHECK-GX-JSON-DAG:             "%97": 9
 # CHECK-GX-JSON-DAG:             "%98": 17
 # CHECK-GX-JSON-DAG:             "%99": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.7",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%4": 2
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 15
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 19
 # CHECK-GX-JSON-DAG:             "%91": 18
 # CHECK-GX-JSON-DAG:             "%93": 1
 # CHECK-GX-JSON-DAG:             "%96": 5
 # CHECK-GX-JSON-DAG:             "%97": 8
 # CHECK-GX-JSON-DAG:             "%98": 16
 # CHECK-GX-JSON-DAG:             "%99": 1
 # CHECK-GX-JSON-DAG:             "%100": 4
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.6": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%87:sreg_32 = PHI %97, %bb.4, %101, %bb.17",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%11": 2823
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 3
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%82": 7
 # CHECK-GX-JSON-DAG:             "%91": 6
 # CHECK-GX-JSON-DAG:             "%98": 4
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%90:sreg_32 = PHI %96, %bb.4, %102, %bb.17",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%11": 2823
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 2
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%82": 6
 # CHECK-GX-JSON-DAG:             "%87": 5
 # CHECK-GX-JSON-DAG:             "%91": 5
 # CHECK-GX-JSON-DAG:             "%98": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%94:sreg_32 = PHI undef %103:sreg_32, %bb.4, %104, %bb.17",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%11": 2823
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 1
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%82": 5
 # CHECK-GX-JSON-DAG:             "%87": 4
 # CHECK-GX-JSON-DAG:             "%90": 3
 # CHECK-GX-JSON-DAG:             "%91": 4
 # CHECK-GX-JSON-DAG:             "%98": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%74:vgpr_32 = PHI %95, %bb.4, %25, %bb.17",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%11": 2823
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%25": 0
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%82": 4
 # CHECK-GX-JSON-DAG:             "%87": 3
 # CHECK-GX-JSON-DAG:             "%90": 2
 # CHECK-GX-JSON-DAG:             "%91": 3
 # CHECK-GX-JSON-DAG:             "%98": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %98, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%11": 2823
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%74": 2839
 # CHECK-GX-JSON-DAG:             "%82": 3
 # CHECK-GX-JSON-DAG:             "%87": 2
 # CHECK-GX-JSON-DAG:             "%90": 1
 # CHECK-GX-JSON-DAG:             "%91": 2
 # CHECK-GX-JSON-DAG:             "%98": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%105:sreg_32 = S_XOR_B32 %90, -1, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%11": 2823
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%74": 2839
 # CHECK-GX-JSON-DAG:             "%82": 2
 # CHECK-GX-JSON-DAG:             "%87": 1
 # CHECK-GX-JSON-DAG:             "%90": 0
 # CHECK-GX-JSON-DAG:             "%91": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%92:sreg_32 = SI_IF_BREAK %87, %91, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%11": 2823
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%74": 2839
 # CHECK-GX-JSON-DAG:             "%82": 1
 # CHECK-GX-JSON-DAG:             "%87": 0
 # CHECK-GX-JSON-DAG:             "%91": 0
 # CHECK-GX-JSON-DAG:             "%105": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%106:sreg_32 = S_ANDN2_B32 %82, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%11": 2823
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%74": 2839
 # CHECK-GX-JSON-DAG:             "%82": 0
 # CHECK-GX-JSON-DAG:             "%92": 3
 # CHECK-GX-JSON-DAG:             "%105": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%107:sreg_32 = S_AND_B32 %105, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%11": 2823
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%74": 2839
 # CHECK-GX-JSON-DAG:             "%92": 2
 # CHECK-GX-JSON-DAG:             "%105": 0
 # CHECK-GX-JSON-DAG:             "%106": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%84:sreg_32 = S_OR_B32 %106, %107, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%11": 2823
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%74": 2839
 # CHECK-GX-JSON-DAG:             "%92": 1
 # CHECK-GX-JSON-DAG:             "%106": 0
 # CHECK-GX-JSON-DAG:             "%107": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "SI_LOOP %92, %bb.4, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%11": 2823
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%74": 2839
 # CHECK-GX-JSON-DAG:             "%84": 2819
 # CHECK-GX-JSON-DAG:             "%92": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.18",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2824
 # CHECK-GX-JSON-DAG:             "%11": 2823
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 2847
 # CHECK-GX-JSON-DAG:             "%31": 2844
 # CHECK-GX-JSON-DAG:             "%43": 2842
 # CHECK-GX-JSON-DAG:             "%45": 2821
 # CHECK-GX-JSON-DAG:             "%60": 2822
 # CHECK-GX-JSON-DAG:             "%61": 2826
 # CHECK-GX-JSON-DAG:             "%63": 2829
 # CHECK-GX-JSON-DAG:             "%64": 2831
 # CHECK-GX-JSON-DAG:             "%65": 2841
 # CHECK-GX-JSON-DAG:             "%74": 2839
 # CHECK-GX-JSON-DAG:             "%84": 2819
 # CHECK-GX-JSON-DAG:             "%92": 2817
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.7": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%108:sreg_32 = S_ADD_I32 %93, 1, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 5384
 # CHECK-GX-JSON-DAG:             "%4": 1
 # CHECK-GX-JSON-DAG:             "%11": 5383
 # CHECK-GX-JSON-DAG:             "%24": 696203
 # CHECK-GX-JSON-DAG:             "%25": 19
 # CHECK-GX-JSON-DAG:             "%28": 5407
 # CHECK-GX-JSON-DAG:             "%31": 5404
 # CHECK-GX-JSON-DAG:             "%43": 5402
 # CHECK-GX-JSON-DAG:             "%45": 5381
 # CHECK-GX-JSON-DAG:             "%60": 5382
 # CHECK-GX-JSON-DAG:             "%61": 5386
 # CHECK-GX-JSON-DAG:             "%63": 5389
 # CHECK-GX-JSON-DAG:             "%64": 5391
 # CHECK-GX-JSON-DAG:             "%65": 5401
 # CHECK-GX-JSON-DAG:             "%82": 23
 # CHECK-GX-JSON-DAG:             "%91": 22
 # CHECK-GX-JSON-DAG:             "%93": 0
 # CHECK-GX-JSON-DAG:             "%96": 9
 # CHECK-GX-JSON-DAG:             "%97": 12
 # CHECK-GX-JSON-DAG:             "%98": 20
 # CHECK-GX-JSON-DAG:             "%100": 8
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 696203
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 696203
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%109:sreg_32 = V_CMP_GE_U32_e64 %108, %4, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 5384
 # CHECK-GX-JSON-DAG:             "%4": 0
 # CHECK-GX-JSON-DAG:             "%11": 5383
 # CHECK-GX-JSON-DAG:             "%24": 696203
 # CHECK-GX-JSON-DAG:             "%25": 18
 # CHECK-GX-JSON-DAG:             "%28": 5407
 # CHECK-GX-JSON-DAG:             "%31": 5404
 # CHECK-GX-JSON-DAG:             "%43": 5402
 # CHECK-GX-JSON-DAG:             "%45": 5381
 # CHECK-GX-JSON-DAG:             "%60": 5382
 # CHECK-GX-JSON-DAG:             "%61": 5386
 # CHECK-GX-JSON-DAG:             "%63": 5389
 # CHECK-GX-JSON-DAG:             "%64": 5391
 # CHECK-GX-JSON-DAG:             "%65": 5401
 # CHECK-GX-JSON-DAG:             "%82": 22
 # CHECK-GX-JSON-DAG:             "%91": 21
 # CHECK-GX-JSON-DAG:             "%96": 8
 # CHECK-GX-JSON-DAG:             "%97": 11
 # CHECK-GX-JSON-DAG:             "%98": 19
 # CHECK-GX-JSON-DAG:             "%100": 7
 # CHECK-GX-JSON-DAG:             "%108": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 696203
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 696203
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%110:sreg_32 = S_XOR_B32 $exec_lo, -1, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 5384
 # CHECK-GX-JSON-DAG:             "%11": 5383
 # CHECK-GX-JSON-DAG:             "%24": 696203
 # CHECK-GX-JSON-DAG:             "%25": 17
 # CHECK-GX-JSON-DAG:             "%28": 5407
 # CHECK-GX-JSON-DAG:             "%31": 5404
 # CHECK-GX-JSON-DAG:             "%43": 5402
 # CHECK-GX-JSON-DAG:             "%45": 5381
 # CHECK-GX-JSON-DAG:             "%60": 5382
 # CHECK-GX-JSON-DAG:             "%61": 5386
 # CHECK-GX-JSON-DAG:             "%63": 5389
 # CHECK-GX-JSON-DAG:             "%64": 5391
 # CHECK-GX-JSON-DAG:             "%65": 5401
 # CHECK-GX-JSON-DAG:             "%82": 21
 # CHECK-GX-JSON-DAG:             "%91": 20
 # CHECK-GX-JSON-DAG:             "%96": 7
 # CHECK-GX-JSON-DAG:             "%97": 10
 # CHECK-GX-JSON-DAG:             "%98": 18
 # CHECK-GX-JSON-DAG:             "%100": 6
 # CHECK-GX-JSON-DAG:             "%108": 5
 # CHECK-GX-JSON-DAG:             "%109": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 696203
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 696203
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%111:sreg_32 = S_ORN2_B32 %109, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 5384
 # CHECK-GX-JSON-DAG:             "%11": 5383
 # CHECK-GX-JSON-DAG:             "%24": 696203
 # CHECK-GX-JSON-DAG:             "%25": 16
 # CHECK-GX-JSON-DAG:             "%28": 5407
 # CHECK-GX-JSON-DAG:             "%31": 5404
 # CHECK-GX-JSON-DAG:             "%43": 5402
 # CHECK-GX-JSON-DAG:             "%45": 5381
 # CHECK-GX-JSON-DAG:             "%60": 5382
 # CHECK-GX-JSON-DAG:             "%61": 5386
 # CHECK-GX-JSON-DAG:             "%63": 5389
 # CHECK-GX-JSON-DAG:             "%64": 5391
 # CHECK-GX-JSON-DAG:             "%65": 5401
 # CHECK-GX-JSON-DAG:             "%82": 20
 # CHECK-GX-JSON-DAG:             "%91": 19
 # CHECK-GX-JSON-DAG:             "%96": 6
 # CHECK-GX-JSON-DAG:             "%97": 9
 # CHECK-GX-JSON-DAG:             "%98": 17
 # CHECK-GX-JSON-DAG:             "%100": 5
 # CHECK-GX-JSON-DAG:             "%108": 4
 # CHECK-GX-JSON-DAG:             "%109": 0
 # CHECK-GX-JSON-DAG:             "%110": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 696203
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 696203
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.17",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 5384
 # CHECK-GX-JSON-DAG:             "%11": 5383
 # CHECK-GX-JSON-DAG:             "%24": 696203
 # CHECK-GX-JSON-DAG:             "%25": 15
 # CHECK-GX-JSON-DAG:             "%28": 5407
 # CHECK-GX-JSON-DAG:             "%31": 5404
 # CHECK-GX-JSON-DAG:             "%43": 5402
 # CHECK-GX-JSON-DAG:             "%45": 5381
 # CHECK-GX-JSON-DAG:             "%60": 5382
 # CHECK-GX-JSON-DAG:             "%61": 5386
 # CHECK-GX-JSON-DAG:             "%63": 5389
 # CHECK-GX-JSON-DAG:             "%64": 5391
 # CHECK-GX-JSON-DAG:             "%65": 5401
 # CHECK-GX-JSON-DAG:             "%82": 19
 # CHECK-GX-JSON-DAG:             "%91": 18
 # CHECK-GX-JSON-DAG:             "%96": 5
 # CHECK-GX-JSON-DAG:             "%97": 8
 # CHECK-GX-JSON-DAG:             "%98": 16
 # CHECK-GX-JSON-DAG:             "%100": 4
 # CHECK-GX-JSON-DAG:             "%108": 3
 # CHECK-GX-JSON-DAG:             "%110": 2
 # CHECK-GX-JSON-DAG:             "%111": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 696203
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 696203
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.8": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%112:sreg_32 = S_ADD_I32 %45, 1, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 3
 # CHECK-GX-JSON-DAG:             "%11": 2
 # CHECK-GX-JSON-DAG:             "%24": 369419
 # CHECK-GX-JSON-DAG:             "%28": 33
 # CHECK-GX-JSON-DAG:             "%31": 30
 # CHECK-GX-JSON-DAG:             "%43": 28
 # CHECK-GX-JSON-DAG:             "%45": 0
 # CHECK-GX-JSON-DAG:             "%60": 1
 # CHECK-GX-JSON-DAG:             "%61": 12
 # CHECK-GX-JSON-DAG:             "%63": 15
 # CHECK-GX-JSON-DAG:             "%64": 17
 # CHECK-GX-JSON-DAG:             "%65": 27
 # CHECK-GX-JSON-DAG:             "%74": 25
 # CHECK-GX-JSON-DAG:             "%134": 11
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%113:vgpr_32 = V_ADD_U32_e64 %112, %60, 0, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 2
 # CHECK-GX-JSON-DAG:             "%11": 1
 # CHECK-GX-JSON-DAG:             "%24": 369419
 # CHECK-GX-JSON-DAG:             "%28": 32
 # CHECK-GX-JSON-DAG:             "%31": 29
 # CHECK-GX-JSON-DAG:             "%43": 27
 # CHECK-GX-JSON-DAG:             "%45": 28
 # CHECK-GX-JSON-DAG:             "%60": 0
 # CHECK-GX-JSON-DAG:             "%61": 11
 # CHECK-GX-JSON-DAG:             "%63": 14
 # CHECK-GX-JSON-DAG:             "%64": 16
 # CHECK-GX-JSON-DAG:             "%65": 26
 # CHECK-GX-JSON-DAG:             "%74": 24
 # CHECK-GX-JSON-DAG:             "%112": 0
 # CHECK-GX-JSON-DAG:             "%134": 10
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "GLOBAL_STORE_DWORD %11, %113, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 1
 # CHECK-GX-JSON-DAG:             "%11": 0
 # CHECK-GX-JSON-DAG:             "%24": 369419
 # CHECK-GX-JSON-DAG:             "%28": 31
 # CHECK-GX-JSON-DAG:             "%31": 28
 # CHECK-GX-JSON-DAG:             "%43": 26
 # CHECK-GX-JSON-DAG:             "%45": 27
 # CHECK-GX-JSON-DAG:             "%60": 369417
 # CHECK-GX-JSON-DAG:             "%61": 10
 # CHECK-GX-JSON-DAG:             "%63": 13
 # CHECK-GX-JSON-DAG:             "%64": 15
 # CHECK-GX-JSON-DAG:             "%65": 25
 # CHECK-GX-JSON-DAG:             "%74": 23
 # CHECK-GX-JSON-DAG:             "%112": 1
 # CHECK-GX-JSON-DAG:             "%113": 0
 # CHECK-GX-JSON-DAG:             "%134": 9
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%114:sreg_32 = V_CMP_GE_U32_e64 %112, %3, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 0
 # CHECK-GX-JSON-DAG:             "%11": 369414
 # CHECK-GX-JSON-DAG:             "%24": 369419
 # CHECK-GX-JSON-DAG:             "%28": 30
 # CHECK-GX-JSON-DAG:             "%31": 27
 # CHECK-GX-JSON-DAG:             "%43": 25
 # CHECK-GX-JSON-DAG:             "%45": 26
 # CHECK-GX-JSON-DAG:             "%60": 369417
 # CHECK-GX-JSON-DAG:             "%61": 9
 # CHECK-GX-JSON-DAG:             "%63": 12
 # CHECK-GX-JSON-DAG:             "%64": 14
 # CHECK-GX-JSON-DAG:             "%65": 24
 # CHECK-GX-JSON-DAG:             "%74": 22
 # CHECK-GX-JSON-DAG:             "%112": 0
 # CHECK-GX-JSON-DAG:             "%113": 7
 # CHECK-GX-JSON-DAG:             "%134": 8
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%115:sreg_32 = S_XOR_B32 $exec_lo, -1, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 369414
 # CHECK-GX-JSON-DAG:             "%24": 369419
 # CHECK-GX-JSON-DAG:             "%28": 29
 # CHECK-GX-JSON-DAG:             "%31": 26
 # CHECK-GX-JSON-DAG:             "%43": 24
 # CHECK-GX-JSON-DAG:             "%45": 25
 # CHECK-GX-JSON-DAG:             "%60": 369417
 # CHECK-GX-JSON-DAG:             "%61": 8
 # CHECK-GX-JSON-DAG:             "%63": 11
 # CHECK-GX-JSON-DAG:             "%64": 13
 # CHECK-GX-JSON-DAG:             "%65": 23
 # CHECK-GX-JSON-DAG:             "%74": 21
 # CHECK-GX-JSON-DAG:             "%112": 5
 # CHECK-GX-JSON-DAG:             "%113": 6
 # CHECK-GX-JSON-DAG:             "%114": 1
 # CHECK-GX-JSON-DAG:             "%134": 7
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%116:sreg_32 = S_ORN2_B32 %114, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 369414
 # CHECK-GX-JSON-DAG:             "%24": 369419
 # CHECK-GX-JSON-DAG:             "%28": 28
 # CHECK-GX-JSON-DAG:             "%31": 25
 # CHECK-GX-JSON-DAG:             "%43": 23
 # CHECK-GX-JSON-DAG:             "%45": 24
 # CHECK-GX-JSON-DAG:             "%60": 369417
 # CHECK-GX-JSON-DAG:             "%61": 7
 # CHECK-GX-JSON-DAG:             "%63": 10
 # CHECK-GX-JSON-DAG:             "%64": 12
 # CHECK-GX-JSON-DAG:             "%65": 22
 # CHECK-GX-JSON-DAG:             "%74": 20
 # CHECK-GX-JSON-DAG:             "%112": 4
 # CHECK-GX-JSON-DAG:             "%113": 5
 # CHECK-GX-JSON-DAG:             "%114": 0
 # CHECK-GX-JSON-DAG:             "%115": 3
 # CHECK-GX-JSON-DAG:             "%134": 6
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.14",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 369414
 # CHECK-GX-JSON-DAG:             "%24": 369419
 # CHECK-GX-JSON-DAG:             "%28": 27
 # CHECK-GX-JSON-DAG:             "%31": 24
 # CHECK-GX-JSON-DAG:             "%43": 22
 # CHECK-GX-JSON-DAG:             "%45": 23
 # CHECK-GX-JSON-DAG:             "%60": 369417
 # CHECK-GX-JSON-DAG:             "%61": 6
 # CHECK-GX-JSON-DAG:             "%63": 9
 # CHECK-GX-JSON-DAG:             "%64": 11
 # CHECK-GX-JSON-DAG:             "%65": 21
 # CHECK-GX-JSON-DAG:             "%74": 19
 # CHECK-GX-JSON-DAG:             "%112": 3
 # CHECK-GX-JSON-DAG:             "%113": 4
 # CHECK-GX-JSON-DAG:             "%115": 2
 # CHECK-GX-JSON-DAG:             "%116": 1
 # CHECK-GX-JSON-DAG:             "%134": 5
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 369419
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.9": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%117:vgpr_32 = PHI undef %118:vgpr_32, %bb.15, %119, %bb.12",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%24": 6
 # CHECK-GX-JSON-DAG:             "%60": 4
 # CHECK-GX-JSON-DAG:             "%77": 4
 # CHECK-GX-JSON-DAG:             "%123": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 6
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 6
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%120:vreg_64 = PHI %11, %bb.15, undef %121:vreg_64, %bb.12",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%24": 5
 # CHECK-GX-JSON-DAG:             "%60": 3
 # CHECK-GX-JSON-DAG:             "%77": 3
 # CHECK-GX-JSON-DAG:             "%117": 3
 # CHECK-GX-JSON-DAG:             "%123": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%122:sreg_32 = SI_ELSE %123, %bb.13, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%24": 4
 # CHECK-GX-JSON-DAG:             "%60": 2
 # CHECK-GX-JSON-DAG:             "%77": 2
 # CHECK-GX-JSON-DAG:             "%117": 2
 # CHECK-GX-JSON-DAG:             "%120": 3
 # CHECK-GX-JSON-DAG:             "%123": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 4
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 4
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.10",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%24": 3
 # CHECK-GX-JSON-DAG:             "%60": 1
 # CHECK-GX-JSON-DAG:             "%77": 1
 # CHECK-GX-JSON-DAG:             "%117": 1
 # CHECK-GX-JSON-DAG:             "%120": 2
 # CHECK-GX-JSON-DAG:             "%122": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 3
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.10": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%124:vgpr_32 = V_MUL_LO_U32_e64 %60, %77, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%24": 5
 # CHECK-GX-JSON-DAG:             "%60": 0
 # CHECK-GX-JSON-DAG:             "%77": 0
 # CHECK-GX-JSON-DAG:             "%120": 1
 # CHECK-GX-JSON-DAG:             "%122": 4
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 5
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "GLOBAL_STORE_DWORD %120, %124, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%24": 4
 # CHECK-GX-JSON-DAG:             "%120": 0
 # CHECK-GX-JSON-DAG:             "%122": 3
 # CHECK-GX-JSON-DAG:             "%124": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 4
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 4
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.13",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%24": 3
 # CHECK-GX-JSON-DAG:             "%122": 2
 # CHECK-GX-JSON-DAG:             "%124": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 3
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.11": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "GLOBAL_STORE_DWORD %11, %72, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 0
 # CHECK-GX-JSON-DAG:             "%24": 10
 # CHECK-GX-JSON-DAG:             "%60": 8
 # CHECK-GX-JSON-DAG:             "%72": 0
 # CHECK-GX-JSON-DAG:             "%77": 8
 # CHECK-GX-JSON-DAG:             "%123": 6
 # CHECK-GX-JSON-DAG:             "%125": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 10
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 10
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.12": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%119:vgpr_32 = PHI %75, %bb.16, %72, %bb.11",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%24": 9
 # CHECK-GX-JSON-DAG:             "%60": 7
 # CHECK-GX-JSON-DAG:             "%77": 7
 # CHECK-GX-JSON-DAG:             "%123": 5
 # CHECK-GX-JSON-DAG:             "%125": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 9
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 9
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %125, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%24": 8
 # CHECK-GX-JSON-DAG:             "%60": 6
 # CHECK-GX-JSON-DAG:             "%77": 6
 # CHECK-GX-JSON-DAG:             "%119": 2
 # CHECK-GX-JSON-DAG:             "%123": 4
 # CHECK-GX-JSON-DAG:             "%125": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 8
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 8
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.9",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%24": 7
 # CHECK-GX-JSON-DAG:             "%60": 5
 # CHECK-GX-JSON-DAG:             "%77": 5
 # CHECK-GX-JSON-DAG:             "%119": 1
 # CHECK-GX-JSON-DAG:             "%123": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 7
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 7
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.13": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%126:vgpr_32 = PHI %117, %bb.9, %124, %bb.10",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%24": 2
 # CHECK-GX-JSON-DAG:             "%122": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 2
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %122, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%24": 1
 # CHECK-GX-JSON-DAG:             "%122": 0
 # CHECK-GX-JSON-DAG:             "%126": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 1
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%127:vgpr_32 = V_ADD3_U32_e64 %24, %126, 100, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%24": 0
 # CHECK-GX-JSON-DAG:             "%126": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 0
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%128:sreg_32_xm0 = V_READFIRSTLANE_B32 %127, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%127": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%127",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%127",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 0
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "$sgpr0 = COPY %128",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%128": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%128",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%128",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 0
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "SI_RETURN_TO_EPILOG killed $sgpr0",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {},
 # CHECK-GX-JSON-NEXT:          "furthest": {},
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {}
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.14": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%129:sreg_32 = PHI %130, %bb.18, %116, %bb.8",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 26
 # CHECK-GX-JSON-DAG:             "%31": 23
 # CHECK-GX-JSON-DAG:             "%43": 21
 # CHECK-GX-JSON-DAG:             "%45": 22
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%61": 5
 # CHECK-GX-JSON-DAG:             "%63": 8
 # CHECK-GX-JSON-DAG:             "%64": 10
 # CHECK-GX-JSON-DAG:             "%65": 20
 # CHECK-GX-JSON-DAG:             "%74": 18
 # CHECK-GX-JSON-DAG:             "%134": 4
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%131:sreg_32 = PHI %130, %bb.18, %115, %bb.8",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 25
 # CHECK-GX-JSON-DAG:             "%31": 22
 # CHECK-GX-JSON-DAG:             "%43": 20
 # CHECK-GX-JSON-DAG:             "%45": 21
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%61": 4
 # CHECK-GX-JSON-DAG:             "%63": 7
 # CHECK-GX-JSON-DAG:             "%64": 9
 # CHECK-GX-JSON-DAG:             "%65": 19
 # CHECK-GX-JSON-DAG:             "%74": 17
 # CHECK-GX-JSON-DAG:             "%129": 10
 # CHECK-GX-JSON-DAG:             "%134": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%71:sreg_32 = PHI undef %132:sreg_32, %bb.18, %112, %bb.8",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 24
 # CHECK-GX-JSON-DAG:             "%31": 21
 # CHECK-GX-JSON-DAG:             "%43": 19
 # CHECK-GX-JSON-DAG:             "%45": 20
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%61": 3
 # CHECK-GX-JSON-DAG:             "%63": 6
 # CHECK-GX-JSON-DAG:             "%64": 8
 # CHECK-GX-JSON-DAG:             "%65": 18
 # CHECK-GX-JSON-DAG:             "%74": 16
 # CHECK-GX-JSON-DAG:             "%129": 9
 # CHECK-GX-JSON-DAG:             "%131": 4
 # CHECK-GX-JSON-DAG:             "%134": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%76:vgpr_32 = PHI undef %133:vgpr_32, %bb.18, %113, %bb.8",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 23
 # CHECK-GX-JSON-DAG:             "%31": 20
 # CHECK-GX-JSON-DAG:             "%43": 18
 # CHECK-GX-JSON-DAG:             "%45": 19
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%61": 2
 # CHECK-GX-JSON-DAG:             "%63": 5
 # CHECK-GX-JSON-DAG:             "%64": 7
 # CHECK-GX-JSON-DAG:             "%65": 17
 # CHECK-GX-JSON-DAG:             "%71": 14
 # CHECK-GX-JSON-DAG:             "%74": 15
 # CHECK-GX-JSON-DAG:             "%129": 8
 # CHECK-GX-JSON-DAG:             "%131": 3
 # CHECK-GX-JSON-DAG:             "%134": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %134, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 22
 # CHECK-GX-JSON-DAG:             "%31": 19
 # CHECK-GX-JSON-DAG:             "%43": 17
 # CHECK-GX-JSON-DAG:             "%45": 18
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%61": 1
 # CHECK-GX-JSON-DAG:             "%63": 4
 # CHECK-GX-JSON-DAG:             "%64": 6
 # CHECK-GX-JSON-DAG:             "%65": 16
 # CHECK-GX-JSON-DAG:             "%71": 13
 # CHECK-GX-JSON-DAG:             "%74": 14
 # CHECK-GX-JSON-DAG:             "%76": 15
 # CHECK-GX-JSON-DAG:             "%129": 7
 # CHECK-GX-JSON-DAG:             "%131": 2
 # CHECK-GX-JSON-DAG:             "%134": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%135:sreg_32 = S_ANDN2_B32 %61, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 21
 # CHECK-GX-JSON-DAG:             "%31": 18
 # CHECK-GX-JSON-DAG:             "%43": 16
 # CHECK-GX-JSON-DAG:             "%45": 17
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%61": 0
 # CHECK-GX-JSON-DAG:             "%63": 3
 # CHECK-GX-JSON-DAG:             "%64": 5
 # CHECK-GX-JSON-DAG:             "%65": 15
 # CHECK-GX-JSON-DAG:             "%71": 12
 # CHECK-GX-JSON-DAG:             "%74": 13
 # CHECK-GX-JSON-DAG:             "%76": 14
 # CHECK-GX-JSON-DAG:             "%129": 6
 # CHECK-GX-JSON-DAG:             "%131": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%136:sreg_32 = S_AND_B32 %131, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 20
 # CHECK-GX-JSON-DAG:             "%31": 17
 # CHECK-GX-JSON-DAG:             "%43": 15
 # CHECK-GX-JSON-DAG:             "%45": 16
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%63": 2
 # CHECK-GX-JSON-DAG:             "%64": 4
 # CHECK-GX-JSON-DAG:             "%65": 14
 # CHECK-GX-JSON-DAG:             "%71": 11
 # CHECK-GX-JSON-DAG:             "%74": 12
 # CHECK-GX-JSON-DAG:             "%76": 13
 # CHECK-GX-JSON-DAG:             "%129": 5
 # CHECK-GX-JSON-DAG:             "%131": 0
 # CHECK-GX-JSON-DAG:             "%135": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%69:sreg_32 = S_OR_B32 %135, %136, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 19
 # CHECK-GX-JSON-DAG:             "%31": 16
 # CHECK-GX-JSON-DAG:             "%43": 14
 # CHECK-GX-JSON-DAG:             "%45": 15
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%63": 1
 # CHECK-GX-JSON-DAG:             "%64": 3
 # CHECK-GX-JSON-DAG:             "%65": 13
 # CHECK-GX-JSON-DAG:             "%71": 10
 # CHECK-GX-JSON-DAG:             "%74": 11
 # CHECK-GX-JSON-DAG:             "%76": 12
 # CHECK-GX-JSON-DAG:             "%129": 4
 # CHECK-GX-JSON-DAG:             "%135": 0
 # CHECK-GX-JSON-DAG:             "%136": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%137:sreg_32 = S_ANDN2_B32 %63, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 18
 # CHECK-GX-JSON-DAG:             "%31": 15
 # CHECK-GX-JSON-DAG:             "%43": 13
 # CHECK-GX-JSON-DAG:             "%45": 14
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%63": 0
 # CHECK-GX-JSON-DAG:             "%64": 2
 # CHECK-GX-JSON-DAG:             "%65": 12
 # CHECK-GX-JSON-DAG:             "%69": 8
 # CHECK-GX-JSON-DAG:             "%71": 9
 # CHECK-GX-JSON-DAG:             "%74": 10
 # CHECK-GX-JSON-DAG:             "%76": 11
 # CHECK-GX-JSON-DAG:             "%129": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%68:sreg_32 = COPY %137",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 17
 # CHECK-GX-JSON-DAG:             "%31": 14
 # CHECK-GX-JSON-DAG:             "%43": 12
 # CHECK-GX-JSON-DAG:             "%45": 13
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%64": 1
 # CHECK-GX-JSON-DAG:             "%65": 11
 # CHECK-GX-JSON-DAG:             "%69": 7
 # CHECK-GX-JSON-DAG:             "%71": 8
 # CHECK-GX-JSON-DAG:             "%74": 9
 # CHECK-GX-JSON-DAG:             "%76": 10
 # CHECK-GX-JSON-DAG:             "%129": 2
 # CHECK-GX-JSON-DAG:             "%137": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%138:sreg_32 = S_ANDN2_B32 %64, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 16
 # CHECK-GX-JSON-DAG:             "%31": 13
 # CHECK-GX-JSON-DAG:             "%43": 11
 # CHECK-GX-JSON-DAG:             "%45": 12
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%64": 0
 # CHECK-GX-JSON-DAG:             "%65": 10
 # CHECK-GX-JSON-DAG:             "%68": 5
 # CHECK-GX-JSON-DAG:             "%69": 6
 # CHECK-GX-JSON-DAG:             "%71": 7
 # CHECK-GX-JSON-DAG:             "%74": 8
 # CHECK-GX-JSON-DAG:             "%76": 9
 # CHECK-GX-JSON-DAG:             "%129": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%139:sreg_32 = S_AND_B32 %129, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 15
 # CHECK-GX-JSON-DAG:             "%31": 12
 # CHECK-GX-JSON-DAG:             "%43": 10
 # CHECK-GX-JSON-DAG:             "%45": 11
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%65": 9
 # CHECK-GX-JSON-DAG:             "%68": 4
 # CHECK-GX-JSON-DAG:             "%69": 5
 # CHECK-GX-JSON-DAG:             "%71": 6
 # CHECK-GX-JSON-DAG:             "%74": 7
 # CHECK-GX-JSON-DAG:             "%76": 8
 # CHECK-GX-JSON-DAG:             "%129": 0
 # CHECK-GX-JSON-DAG:             "%138": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%67:sreg_32 = S_OR_B32 %138, %139, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 14
 # CHECK-GX-JSON-DAG:             "%31": 11
 # CHECK-GX-JSON-DAG:             "%43": 9
 # CHECK-GX-JSON-DAG:             "%45": 10
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%65": 8
 # CHECK-GX-JSON-DAG:             "%68": 3
 # CHECK-GX-JSON-DAG:             "%69": 4
 # CHECK-GX-JSON-DAG:             "%71": 5
 # CHECK-GX-JSON-DAG:             "%74": 6
 # CHECK-GX-JSON-DAG:             "%76": 7
 # CHECK-GX-JSON-DAG:             "%138": 0
 # CHECK-GX-JSON-DAG:             "%139": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.3",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 368518
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 13
 # CHECK-GX-JSON-DAG:             "%31": 10
 # CHECK-GX-JSON-DAG:             "%43": 8
 # CHECK-GX-JSON-DAG:             "%45": 9
 # CHECK-GX-JSON-DAG:             "%60": 368521
 # CHECK-GX-JSON-DAG:             "%65": 7
 # CHECK-GX-JSON-DAG:             "%67": 1
 # CHECK-GX-JSON-DAG:             "%68": 2
 # CHECK-GX-JSON-DAG:             "%69": 3
 # CHECK-GX-JSON-DAG:             "%71": 4
 # CHECK-GX-JSON-DAG:             "%74": 5
 # CHECK-GX-JSON-DAG:             "%76": 6
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.15": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %44, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 5
 # CHECK-GX-JSON-DAG:             "%24": 10
 # CHECK-GX-JSON-DAG:             "%30": 1
 # CHECK-GX-JSON-DAG:             "%33": 4
 # CHECK-GX-JSON-DAG:             "%44": 0
 # CHECK-GX-JSON-DAG:             "%60": 8
 # CHECK-GX-JSON-DAG:             "%72": 6
 # CHECK-GX-JSON-DAG:             "%75": 6
 # CHECK-GX-JSON-DAG:             "%77": 8
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 10
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 10
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%140:sreg_32 = S_XOR_B32 %30, -1, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 4
 # CHECK-GX-JSON-DAG:             "%24": 9
 # CHECK-GX-JSON-DAG:             "%30": 0
 # CHECK-GX-JSON-DAG:             "%33": 3
 # CHECK-GX-JSON-DAG:             "%60": 7
 # CHECK-GX-JSON-DAG:             "%72": 5
 # CHECK-GX-JSON-DAG:             "%75": 5
 # CHECK-GX-JSON-DAG:             "%77": 7
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 9
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 9
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%123:sreg_32 = SI_IF %140, %bb.9, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 3
 # CHECK-GX-JSON-DAG:             "%24": 8
 # CHECK-GX-JSON-DAG:             "%33": 2
 # CHECK-GX-JSON-DAG:             "%60": 6
 # CHECK-GX-JSON-DAG:             "%72": 4
 # CHECK-GX-JSON-DAG:             "%75": 4
 # CHECK-GX-JSON-DAG:             "%77": 6
 # CHECK-GX-JSON-DAG:             "%140": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 8
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 8
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.16",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 2
 # CHECK-GX-JSON-DAG:             "%24": 7
 # CHECK-GX-JSON-DAG:             "%33": 1
 # CHECK-GX-JSON-DAG:             "%60": 5
 # CHECK-GX-JSON-DAG:             "%72": 3
 # CHECK-GX-JSON-DAG:             "%75": 3
 # CHECK-GX-JSON-DAG:             "%77": 5
 # CHECK-GX-JSON-DAG:             "%123": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 7
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 7
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.16": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%125:sreg_32 = SI_IF %33, %bb.12, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 2
 # CHECK-GX-JSON-DAG:             "%24": 11
 # CHECK-GX-JSON-DAG:             "%33": 0
 # CHECK-GX-JSON-DAG:             "%60": 9
 # CHECK-GX-JSON-DAG:             "%72": 2
 # CHECK-GX-JSON-DAG:             "%75": 2
 # CHECK-GX-JSON-DAG:             "%77": 9
 # CHECK-GX-JSON-DAG:             "%123": 7
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 11
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 11
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.11",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%11": 1
 # CHECK-GX-JSON-DAG:             "%24": 10
 # CHECK-GX-JSON-DAG:             "%60": 8
 # CHECK-GX-JSON-DAG:             "%72": 1
 # CHECK-GX-JSON-DAG:             "%75": 1
 # CHECK-GX-JSON-DAG:             "%77": 8
 # CHECK-GX-JSON-DAG:             "%123": 6
 # CHECK-GX-JSON-DAG:             "%125": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 10
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 10
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.17": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%141:sreg_32 = PHI %99, %bb.5, %111, %bb.7",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 14
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 18
 # CHECK-GX-JSON-DAG:             "%91": 17
 # CHECK-GX-JSON-DAG:             "%96": 4
 # CHECK-GX-JSON-DAG:             "%97": 7
 # CHECK-GX-JSON-DAG:             "%98": 15
 # CHECK-GX-JSON-DAG:             "%100": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%142:sreg_32 = PHI %99, %bb.5, %110, %bb.7",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 13
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 17
 # CHECK-GX-JSON-DAG:             "%91": 16
 # CHECK-GX-JSON-DAG:             "%96": 3
 # CHECK-GX-JSON-DAG:             "%97": 6
 # CHECK-GX-JSON-DAG:             "%98": 14
 # CHECK-GX-JSON-DAG:             "%100": 2
 # CHECK-GX-JSON-DAG:             "%141": 7
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%104:sreg_32 = PHI undef %143:sreg_32, %bb.5, %108, %bb.7",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 12
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 16
 # CHECK-GX-JSON-DAG:             "%91": 15
 # CHECK-GX-JSON-DAG:             "%96": 2
 # CHECK-GX-JSON-DAG:             "%97": 5
 # CHECK-GX-JSON-DAG:             "%98": 13
 # CHECK-GX-JSON-DAG:             "%100": 1
 # CHECK-GX-JSON-DAG:             "%141": 6
 # CHECK-GX-JSON-DAG:             "%142": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %100, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 11
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 15
 # CHECK-GX-JSON-DAG:             "%91": 14
 # CHECK-GX-JSON-DAG:             "%96": 1
 # CHECK-GX-JSON-DAG:             "%97": 4
 # CHECK-GX-JSON-DAG:             "%98": 12
 # CHECK-GX-JSON-DAG:             "%100": 0
 # CHECK-GX-JSON-DAG:             "%104": 10
 # CHECK-GX-JSON-DAG:             "%141": 5
 # CHECK-GX-JSON-DAG:             "%142": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%144:sreg_32 = S_ANDN2_B32 %96, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 10
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 14
 # CHECK-GX-JSON-DAG:             "%91": 13
 # CHECK-GX-JSON-DAG:             "%96": 0
 # CHECK-GX-JSON-DAG:             "%97": 3
 # CHECK-GX-JSON-DAG:             "%98": 11
 # CHECK-GX-JSON-DAG:             "%104": 9
 # CHECK-GX-JSON-DAG:             "%141": 4
 # CHECK-GX-JSON-DAG:             "%142": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%145:sreg_32 = S_AND_B32 %142, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 9
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 13
 # CHECK-GX-JSON-DAG:             "%91": 12
 # CHECK-GX-JSON-DAG:             "%97": 2
 # CHECK-GX-JSON-DAG:             "%98": 10
 # CHECK-GX-JSON-DAG:             "%104": 8
 # CHECK-GX-JSON-DAG:             "%141": 3
 # CHECK-GX-JSON-DAG:             "%142": 0
 # CHECK-GX-JSON-DAG:             "%144": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%102:sreg_32 = S_OR_B32 %144, %145, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 8
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 12
 # CHECK-GX-JSON-DAG:             "%91": 11
 # CHECK-GX-JSON-DAG:             "%97": 1
 # CHECK-GX-JSON-DAG:             "%98": 9
 # CHECK-GX-JSON-DAG:             "%104": 7
 # CHECK-GX-JSON-DAG:             "%141": 2
 # CHECK-GX-JSON-DAG:             "%144": 0
 # CHECK-GX-JSON-DAG:             "%145": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%146:sreg_32 = S_ANDN2_B32 %97, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 7
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 11
 # CHECK-GX-JSON-DAG:             "%91": 10
 # CHECK-GX-JSON-DAG:             "%97": 0
 # CHECK-GX-JSON-DAG:             "%98": 8
 # CHECK-GX-JSON-DAG:             "%102": 5
 # CHECK-GX-JSON-DAG:             "%104": 6
 # CHECK-GX-JSON-DAG:             "%141": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%147:sreg_32 = S_AND_B32 %141, $exec_lo, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 6
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 10
 # CHECK-GX-JSON-DAG:             "%91": 9
 # CHECK-GX-JSON-DAG:             "%98": 7
 # CHECK-GX-JSON-DAG:             "%102": 4
 # CHECK-GX-JSON-DAG:             "%104": 5
 # CHECK-GX-JSON-DAG:             "%141": 0
 # CHECK-GX-JSON-DAG:             "%146": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%101:sreg_32 = S_OR_B32 %146, %147, implicit-def dead $scc",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 5
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 9
 # CHECK-GX-JSON-DAG:             "%91": 8
 # CHECK-GX-JSON-DAG:             "%98": 6
 # CHECK-GX-JSON-DAG:             "%102": 3
 # CHECK-GX-JSON-DAG:             "%104": 4
 # CHECK-GX-JSON-DAG:             "%146": 0
 # CHECK-GX-JSON-DAG:             "%147": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.6",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4744
 # CHECK-GX-JSON-DAG:             "%11": 4743
 # CHECK-GX-JSON-DAG:             "%24": 614283
 # CHECK-GX-JSON-DAG:             "%25": 4
 # CHECK-GX-JSON-DAG:             "%28": 4767
 # CHECK-GX-JSON-DAG:             "%31": 4764
 # CHECK-GX-JSON-DAG:             "%43": 4762
 # CHECK-GX-JSON-DAG:             "%45": 4741
 # CHECK-GX-JSON-DAG:             "%60": 4742
 # CHECK-GX-JSON-DAG:             "%61": 4746
 # CHECK-GX-JSON-DAG:             "%63": 4749
 # CHECK-GX-JSON-DAG:             "%64": 4751
 # CHECK-GX-JSON-DAG:             "%65": 4761
 # CHECK-GX-JSON-DAG:             "%82": 8
 # CHECK-GX-JSON-DAG:             "%91": 7
 # CHECK-GX-JSON-DAG:             "%98": 5
 # CHECK-GX-JSON-DAG:             "%101": 1
 # CHECK-GX-JSON-DAG:             "%102": 2
 # CHECK-GX-JSON-DAG:             "%104": 3
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 614283
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ],
 # CHECK-GX-JSON-NEXT:      "bb.18": [
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %92, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 7
 # CHECK-GX-JSON-DAG:             "%11": 6
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 30
 # CHECK-GX-JSON-DAG:             "%31": 27
 # CHECK-GX-JSON-DAG:             "%43": 25
 # CHECK-GX-JSON-DAG:             "%45": 4
 # CHECK-GX-JSON-DAG:             "%60": 5
 # CHECK-GX-JSON-DAG:             "%61": 9
 # CHECK-GX-JSON-DAG:             "%63": 12
 # CHECK-GX-JSON-DAG:             "%64": 14
 # CHECK-GX-JSON-DAG:             "%65": 24
 # CHECK-GX-JSON-DAG:             "%74": 22
 # CHECK-GX-JSON-DAG:             "%84": 2
 # CHECK-GX-JSON-DAG:             "%92": 0
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%130:sreg_32 = S_MOV_B32 -1",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 6
 # CHECK-GX-JSON-DAG:             "%11": 5
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 29
 # CHECK-GX-JSON-DAG:             "%31": 26
 # CHECK-GX-JSON-DAG:             "%43": 24
 # CHECK-GX-JSON-DAG:             "%45": 3
 # CHECK-GX-JSON-DAG:             "%60": 4
 # CHECK-GX-JSON-DAG:             "%61": 8
 # CHECK-GX-JSON-DAG:             "%63": 11
 # CHECK-GX-JSON-DAG:             "%64": 13
 # CHECK-GX-JSON-DAG:             "%65": 23
 # CHECK-GX-JSON-DAG:             "%74": 21
 # CHECK-GX-JSON-DAG:             "%84": 1
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "%134:sreg_32 = SI_IF %84, %bb.14, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 5
 # CHECK-GX-JSON-DAG:             "%11": 4
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 28
 # CHECK-GX-JSON-DAG:             "%31": 25
 # CHECK-GX-JSON-DAG:             "%43": 23
 # CHECK-GX-JSON-DAG:             "%45": 2
 # CHECK-GX-JSON-DAG:             "%60": 3
 # CHECK-GX-JSON-DAG:             "%61": 7
 # CHECK-GX-JSON-DAG:             "%63": 10
 # CHECK-GX-JSON-DAG:             "%64": 12
 # CHECK-GX-JSON-DAG:             "%65": 22
 # CHECK-GX-JSON-DAG:             "%74": 20
 # CHECK-GX-JSON-DAG:             "%84": 0
 # CHECK-GX-JSON-DAG:             "%130": 2
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        },
 # CHECK-GX-JSON-NEXT:        {
 # CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.8",
 # CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:          "distances": {
 # CHECK-GX-JSON-DAG:             "%3": 4
 # CHECK-GX-JSON-DAG:             "%11": 3
 # CHECK-GX-JSON-DAG:             "%24": 368523
 # CHECK-GX-JSON-DAG:             "%28": 27
 # CHECK-GX-JSON-DAG:             "%31": 24
 # CHECK-GX-JSON-DAG:             "%43": 22
 # CHECK-GX-JSON-DAG:             "%45": 1
 # CHECK-GX-JSON-DAG:             "%60": 2
 # CHECK-GX-JSON-DAG:             "%61": 6
 # CHECK-GX-JSON-DAG:             "%63": 9
 # CHECK-GX-JSON-DAG:             "%64": 11
 # CHECK-GX-JSON-DAG:             "%65": 21
 # CHECK-GX-JSON-DAG:             "%74": 19
 # CHECK-GX-JSON-DAG:             "%130": 1
 # CHECK-GX-JSON-DAG:             "%134": 5
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               },
 # CHECK-GX-JSON-NEXT:          "furthest-subreg": {
 # CHECK-GX-JSON-DAG:             "register": "%24",
 # CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-GX-JSON-DAG:             "distance": 368523
 # CHECK-GX-JSON:               }
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:      ]
 # CHECK-GX-JSON-NEXT:    },
 # CHECK-GX-JSON-NEXT:    "distance-from-def-to-closest-use": {
 # CHECK-GX-JSON-DAG:       "%0": 14,
 # CHECK-GX-JSON-DAG:       "%1": 15,
 # CHECK-GX-JSON-DAG:       "%2": 24,
 # CHECK-GX-JSON-DAG:       "%3": 2876,
 # CHECK-GX-JSON-DAG:       "%4": 67,
 # CHECK-GX-JSON-DAG:       "%5": 6,
 # CHECK-GX-JSON-DAG:       "%6": 5,
 # CHECK-GX-JSON-DAG:       "%7": 5,
 # CHECK-GX-JSON-DAG:       "%8": 4,
 # CHECK-GX-JSON-DAG:       "%9": 4,
 # CHECK-GX-JSON-DAG:       "%10": 3,
 # CHECK-GX-JSON-DAG:       "%11": 55,
 # CHECK-GX-JSON-DAG:       "%12": 26,
 # CHECK-GX-JSON-DAG:       "%13": 5,
 # CHECK-GX-JSON-DAG:       "%14": 1,
 # CHECK-GX-JSON-DAG:       "%15": 49,
 # CHECK-GX-JSON-DAG:       "%16": 1,
 # CHECK-GX-JSON-DAG:       "%17": 35,
 # CHECK-GX-JSON-DAG:       "%18": 2,
 # CHECK-GX-JSON-DAG:       "%19": 1,
 # CHECK-GX-JSON-DAG:       "%20": 4,
 # CHECK-GX-JSON-DAG:       "%21": 2,
 # CHECK-GX-JSON-DAG:       "%22": 1,
 # CHECK-GX-JSON-DAG:       "%23": 1,
 # CHECK-GX-JSON-DAG:       "%24": 1,
 # CHECK-GX-JSON-DAG:       "%25": 1,
 # CHECK-GX-JSON-DAG:       "%26": 42,
 # CHECK-GX-JSON-DAG:       "%27": 6,
 # CHECK-GX-JSON-DAG:       "%28": 38,
 # CHECK-GX-JSON-DAG:       "%31": 34,
 # CHECK-GX-JSON-DAG:       "%34": 21,
 # CHECK-GX-JSON-DAG:       "%37": 19,
 # CHECK-GX-JSON-DAG:       "%40": 16,
 # CHECK-GX-JSON-DAG:       "%43": 28,
 # CHECK-GX-JSON-DAG:       "%45": 1,
 # CHECK-GX-JSON-DAG:       "%47": 1,
 # CHECK-GX-JSON-DAG:       "%48": 1,
 # CHECK-GX-JSON-DAG:       "%49": 1,
 # CHECK-GX-JSON-DAG:       "%50": 2,
 # CHECK-GX-JSON-DAG:       "%51": 1,
 # CHECK-GX-JSON-DAG:       "%52": 1,
 # CHECK-GX-JSON-DAG:       "%53": 1,
 # CHECK-GX-JSON-DAG:       "%54": 2,
 # CHECK-GX-JSON-DAG:       "%55": 1,
 # CHECK-GX-JSON-DAG:       "%56": 4,
 # CHECK-GX-JSON-DAG:       "%57": 2,
 # CHECK-GX-JSON-DAG:       "%58": 1,
 # CHECK-GX-JSON-DAG:       "%59": 1,
 # CHECK-GX-JSON-DAG:       "%60": 2830,
 # CHECK-GX-JSON-DAG:       "%61": 1,
 # CHECK-GX-JSON-DAG:       "%62": 7,
 # CHECK-GX-JSON-DAG:       "%63": 5,
 # CHECK-GX-JSON-DAG:       "%64": 3,
 # CHECK-GX-JSON-DAG:       "%65": 8,
 # CHECK-GX-JSON-DAG:       "%66": 5,
 # CHECK-GX-JSON-DAG:       "%36": 7,
 # CHECK-GX-JSON-DAG:       "%39": 12,
 # CHECK-GX-JSON-DAG:       "%42": 8,
 # CHECK-GX-JSON-DAG:       "%46": "<unreachable>",
 # CHECK-GX-JSON-DAG:       "%72": 5511,
 # CHECK-GX-JSON-DAG:       "%75": 5511,
 # CHECK-GX-JSON-DAG:       "%44": 8,
 # CHECK-GX-JSON-DAG:       "%77": 5513,
 # CHECK-GX-JSON-DAG:       "%78": 2,
 # CHECK-GX-JSON-DAG:       "%79": 1,
 # CHECK-GX-JSON-DAG:       "%33": 5509,
 # CHECK-GX-JSON-DAG:       "%80": 2,
 # CHECK-GX-JSON-DAG:       "%81": 1,
 # CHECK-GX-JSON-DAG:       "%30": 5506,
 # CHECK-GX-JSON-DAG:       "%82": 17,
 # CHECK-GX-JSON-DAG:       "%85": 6,
 # CHECK-GX-JSON-DAG:       "%88": 4,
 # CHECK-GX-JSON-DAG:       "%91": 13,
 # CHECK-GX-JSON-DAG:       "%93": 1,
 # CHECK-GX-JSON-DAG:       "%95": 8,
 # CHECK-GX-JSON-DAG:       "%96": 5,
 # CHECK-GX-JSON-DAG:       "%97": 3,
 # CHECK-GX-JSON-DAG:       "%98": 6,
 # CHECK-GX-JSON-DAG:       "%99": 3,
 # CHECK-GX-JSON-DAG:       "%100": 5,
 # CHECK-GX-JSON-DAG:       "%87": 6,
 # CHECK-GX-JSON-DAG:       "%90": 4,
 # CHECK-GX-JSON-DAG:       "%94": "<unreachable>",
 # CHECK-GX-JSON-DAG:       "%74": 2839,
 # CHECK-GX-JSON-DAG:       "%105": 3,
 # CHECK-GX-JSON-DAG:       "%92": 4,
 # CHECK-GX-JSON-DAG:       "%106": 2,
 # CHECK-GX-JSON-DAG:       "%107": 1,
 # CHECK-GX-JSON-DAG:       "%84": 2819,
 # CHECK-GX-JSON-DAG:       "%108": 1,
 # CHECK-GX-JSON-DAG:       "%109": 2,
 # CHECK-GX-JSON-DAG:       "%110": 4,
 # CHECK-GX-JSON-DAG:       "%111": 2,
 # CHECK-GX-JSON-DAG:       "%112": 1,
 # CHECK-GX-JSON-DAG:       "%113": 1,
 # CHECK-GX-JSON-DAG:       "%114": 2,
 # CHECK-GX-JSON-DAG:       "%115": 4,
 # CHECK-GX-JSON-DAG:       "%116": 2,
 # CHECK-GX-JSON-DAG:       "%117": 4,
 # CHECK-GX-JSON-DAG:       "%120": 4,
 # CHECK-GX-JSON-DAG:       "%122": 3,
 # CHECK-GX-JSON-DAG:       "%124": 1,
 # CHECK-GX-JSON-DAG:       "%119": 3,
 # CHECK-GX-JSON-DAG:       "%126": 2,
 # CHECK-GX-JSON-DAG:       "%127": 1,
 # CHECK-GX-JSON-DAG:       "%128": 1,
 # CHECK-GX-JSON-DAG:       "%129": 11,
 # CHECK-GX-JSON-DAG:       "%131": 5,
 # CHECK-GX-JSON-DAG:       "%71": 15,
 # CHECK-GX-JSON-DAG:       "%76": 16,
 # CHECK-GX-JSON-DAG:       "%135": 2,
 # CHECK-GX-JSON-DAG:       "%136": 1,
 # CHECK-GX-JSON-DAG:       "%69": 9,
 # CHECK-GX-JSON-DAG:       "%137": 1,
 # CHECK-GX-JSON-DAG:       "%68": 6,
 # CHECK-GX-JSON-DAG:       "%138": 2,
 # CHECK-GX-JSON-DAG:       "%139": 1,
 # CHECK-GX-JSON-DAG:       "%67": 2,
 # CHECK-GX-JSON-DAG:       "%140": 1,
 # CHECK-GX-JSON-DAG:       "%123": 4,
 # CHECK-GX-JSON-DAG:       "%125": 3,
 # CHECK-GX-JSON-DAG:       "%141": 8,
 # CHECK-GX-JSON-DAG:       "%142": 4,
 # CHECK-GX-JSON-DAG:       "%104": 11,
 # CHECK-GX-JSON-DAG:       "%144": 2,
 # CHECK-GX-JSON-DAG:       "%145": 1,
 # CHECK-GX-JSON-DAG:       "%102": 6,
 # CHECK-GX-JSON-DAG:       "%146": 2,
 # CHECK-GX-JSON-DAG:       "%147": 1,
 # CHECK-GX-JSON-DAG:       "%101": 2,
 # CHECK-GX-JSON-DAG:       "%130": 3,
 # CHECK-GX-JSON-DAG:       "%134": 6
 # CHECK-GX-JSON:         },
 # CHECK-GX-JSON-NEXT:    "paths": [
 # CHECK-GX-JSON:         ],
 # CHECK-GX-JSON-NEXT:    "metrics": {
 # CHECK-GX-JSON-NEXT:        "distance-cache": {
 # CHECK-GX-JSON-NEXT:            "hits": {{[0-9]+}},
 # CHECK-GX-JSON-NEXT:            "misses": {{[0-9]+}}
 # CHECK-GX-JSON-NEXT:        }
 # CHECK-GX-JSON-NEXT:    }
 # CHECK-GX-JSON-NEXT:  },
 # CHECK-GX-JSON-DAG:   "time.amdgpu-next-use-analysis-json.json.wall": {{[0-9.e+-]+}},
 # CHECK-GX-JSON-DAG:   "time.amdgpu-next-use-analysis-json.json.user": {{[0-9.e+-]+}},
 # CHECK-GX-JSON-DAG:   "time.amdgpu-next-use-analysis-json.json.sys": {{[0-9.e+-]+}}
 # CHECK-GX-JSON:      }
 # CHECK-CP-JSON:      {
 # CHECK-CP-JSON-NEXT:  "next-use-analysis": {
 # CHECK-CP-JSON-NEXT:    "furthest-distances": {
 # CHECK-CP-JSON-NEXT:      "bb.0": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%0:vgpr_32 = COPY $vgpr10",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {},
 # CHECK-CP-JSON-NEXT:          "furthest": {},
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {}
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%1:vgpr_32 = COPY $vgpr9",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 13
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%0",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 13
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%0",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 13
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%2:vgpr_32 = COPY $vgpr8",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 12
 # CHECK-CP-JSON-DAG:             "%1": 14
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%1",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 14
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%1",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 14
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%3:vgpr_32 = COPY $vgpr7",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 11
 # CHECK-CP-JSON-DAG:             "%1": 13
 # CHECK-CP-JSON-DAG:             "%2": 23
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%2",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 23
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%2",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 23
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%4:vgpr_32 = COPY $vgpr6",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 10
 # CHECK-CP-JSON-DAG:             "%1": 12
 # CHECK-CP-JSON-DAG:             "%2": 22
 # CHECK-CP-JSON-DAG:             "%3": 23
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 23
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 23
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%5:vgpr_32 = COPY $vgpr5",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 9
 # CHECK-CP-JSON-DAG:             "%1": 11
 # CHECK-CP-JSON-DAG:             "%2": 21
 # CHECK-CP-JSON-DAG:             "%3": 22
 # CHECK-CP-JSON-DAG:             "%4": 22
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 22
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 22
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%6:vgpr_32 = COPY $vgpr4",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 8
 # CHECK-CP-JSON-DAG:             "%1": 10
 # CHECK-CP-JSON-DAG:             "%2": 20
 # CHECK-CP-JSON-DAG:             "%3": 21
 # CHECK-CP-JSON-DAG:             "%4": 21
 # CHECK-CP-JSON-DAG:             "%5": 5
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 21
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 21
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%7:vgpr_32 = COPY $vgpr3",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 7
 # CHECK-CP-JSON-DAG:             "%1": 9
 # CHECK-CP-JSON-DAG:             "%2": 19
 # CHECK-CP-JSON-DAG:             "%3": 20
 # CHECK-CP-JSON-DAG:             "%4": 20
 # CHECK-CP-JSON-DAG:             "%5": 4
 # CHECK-CP-JSON-DAG:             "%6": 4
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 20
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 20
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%8:vgpr_32 = COPY $vgpr2",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 6
 # CHECK-CP-JSON-DAG:             "%1": 8
 # CHECK-CP-JSON-DAG:             "%2": 18
 # CHECK-CP-JSON-DAG:             "%3": 19
 # CHECK-CP-JSON-DAG:             "%4": 19
 # CHECK-CP-JSON-DAG:             "%5": 3
 # CHECK-CP-JSON-DAG:             "%6": 3
 # CHECK-CP-JSON-DAG:             "%7": 4
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 19
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 19
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%9:vgpr_32 = COPY $vgpr1",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 5
 # CHECK-CP-JSON-DAG:             "%1": 7
 # CHECK-CP-JSON-DAG:             "%2": 17
 # CHECK-CP-JSON-DAG:             "%3": 18
 # CHECK-CP-JSON-DAG:             "%4": 18
 # CHECK-CP-JSON-DAG:             "%5": 2
 # CHECK-CP-JSON-DAG:             "%6": 2
 # CHECK-CP-JSON-DAG:             "%7": 3
 # CHECK-CP-JSON-DAG:             "%8": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 18
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 18
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%10:vgpr_32 = COPY $vgpr0",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 4
 # CHECK-CP-JSON-DAG:             "%1": 6
 # CHECK-CP-JSON-DAG:             "%2": 16
 # CHECK-CP-JSON-DAG:             "%3": 17
 # CHECK-CP-JSON-DAG:             "%4": 17
 # CHECK-CP-JSON-DAG:             "%5": 1
 # CHECK-CP-JSON-DAG:             "%6": 1
 # CHECK-CP-JSON-DAG:             "%7": 2
 # CHECK-CP-JSON-DAG:             "%8": 2
 # CHECK-CP-JSON-DAG:             "%9": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 17
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 17
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%11:vreg_64 = REG_SEQUENCE %6, %subreg.sub0, %5, %subreg.sub1",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 3
 # CHECK-CP-JSON-DAG:             "%1": 5
 # CHECK-CP-JSON-DAG:             "%2": 15
 # CHECK-CP-JSON-DAG:             "%3": 16
 # CHECK-CP-JSON-DAG:             "%4": 16
 # CHECK-CP-JSON-DAG:             "%5": 0
 # CHECK-CP-JSON-DAG:             "%6": 0
 # CHECK-CP-JSON-DAG:             "%7": 1
 # CHECK-CP-JSON-DAG:             "%8": 1
 # CHECK-CP-JSON-DAG:             "%9": 2
 # CHECK-CP-JSON-DAG:             "%10": 2
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 16
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 16
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%12:vreg_64 = REG_SEQUENCE %8, %subreg.sub0, %7, %subreg.sub1",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 2
 # CHECK-CP-JSON-DAG:             "%1": 4
 # CHECK-CP-JSON-DAG:             "%2": 14
 # CHECK-CP-JSON-DAG:             "%3": 15
 # CHECK-CP-JSON-DAG:             "%4": 15
 # CHECK-CP-JSON-DAG:             "%7": 0
 # CHECK-CP-JSON-DAG:             "%8": 0
 # CHECK-CP-JSON-DAG:             "%9": 1
 # CHECK-CP-JSON-DAG:             "%10": 1
 # CHECK-CP-JSON-DAG:             "%11": 15
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 15
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 15
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%13:vreg_64 = REG_SEQUENCE %10, %subreg.sub0, %9, %subreg.sub1",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 1
 # CHECK-CP-JSON-DAG:             "%1": 3
 # CHECK-CP-JSON-DAG:             "%2": 13
 # CHECK-CP-JSON-DAG:             "%3": 14
 # CHECK-CP-JSON-DAG:             "%4": 14
 # CHECK-CP-JSON-DAG:             "%9": 0
 # CHECK-CP-JSON-DAG:             "%10": 0
 # CHECK-CP-JSON-DAG:             "%11": 14
 # CHECK-CP-JSON-DAG:             "%12:sub0": 14
 # CHECK-CP-JSON-DAG:             "%12:sub1": 14
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 14
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 14
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%14:vgpr_32 = V_AND_B32_e64 1, %0, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%0": 0
 # CHECK-CP-JSON-DAG:             "%1": 2
 # CHECK-CP-JSON-DAG:             "%2": 12
 # CHECK-CP-JSON-DAG:             "%3": 13
 # CHECK-CP-JSON-DAG:             "%4": 13
 # CHECK-CP-JSON-DAG:             "%11": 13
 # CHECK-CP-JSON-DAG:             "%12:sub0": 13
 # CHECK-CP-JSON-DAG:             "%12:sub1": 13
 # CHECK-CP-JSON-DAG:             "%13": 4
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 13
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 13
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%15:sreg_32 = V_CMP_EQ_U32_e64 1, %14, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%1": 1
 # CHECK-CP-JSON-DAG:             "%2": 11
 # CHECK-CP-JSON-DAG:             "%3": 12
 # CHECK-CP-JSON-DAG:             "%4": 12
 # CHECK-CP-JSON-DAG:             "%11": 12
 # CHECK-CP-JSON-DAG:             "%12:sub0": 12
 # CHECK-CP-JSON-DAG:             "%12:sub1": 12
 # CHECK-CP-JSON-DAG:             "%13": 3
 # CHECK-CP-JSON-DAG:             "%14": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 12
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 12
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%16:vgpr_32 = V_AND_B32_e64 1, %1, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%1": 0
 # CHECK-CP-JSON-DAG:             "%2": 10
 # CHECK-CP-JSON-DAG:             "%3": 11
 # CHECK-CP-JSON-DAG:             "%4": 11
 # CHECK-CP-JSON-DAG:             "%11": 11
 # CHECK-CP-JSON-DAG:             "%12:sub0": 11
 # CHECK-CP-JSON-DAG:             "%12:sub1": 11
 # CHECK-CP-JSON-DAG:             "%13": 2
 # CHECK-CP-JSON-DAG:             "%15": 11
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 11
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 11
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%17:sreg_32 = V_CMP_EQ_U32_e64 1, %16, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%2": 9
 # CHECK-CP-JSON-DAG:             "%3": 10
 # CHECK-CP-JSON-DAG:             "%4": 10
 # CHECK-CP-JSON-DAG:             "%11": 10
 # CHECK-CP-JSON-DAG:             "%12:sub0": 10
 # CHECK-CP-JSON-DAG:             "%12:sub1": 10
 # CHECK-CP-JSON-DAG:             "%13": 1
 # CHECK-CP-JSON-DAG:             "%15": 10
 # CHECK-CP-JSON-DAG:             "%16": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 10
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 10
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%18:vgpr_32 = GLOBAL_LOAD_UBYTE %13, 0, 0, implicit $exec :: (load (s8) from %ir.p1, addrspace 1)",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%2": 8
 # CHECK-CP-JSON-DAG:             "%3": 9
 # CHECK-CP-JSON-DAG:             "%4": 9
 # CHECK-CP-JSON-DAG:             "%11": 9
 # CHECK-CP-JSON-DAG:             "%12:sub0": 9
 # CHECK-CP-JSON-DAG:             "%12:sub1": 9
 # CHECK-CP-JSON-DAG:             "%13": 0
 # CHECK-CP-JSON-DAG:             "%15": 9
 # CHECK-CP-JSON-DAG:             "%17": 9
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 9
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 9
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%19:vgpr_32 = GLOBAL_LOAD_UBYTE %13, 1, 0, implicit $exec :: (load (s8) from %ir.p1 + 1, addrspace 1)",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%2": 7
 # CHECK-CP-JSON-DAG:             "%3": 8
 # CHECK-CP-JSON-DAG:             "%4": 8
 # CHECK-CP-JSON-DAG:             "%11": 8
 # CHECK-CP-JSON-DAG:             "%12:sub0": 8
 # CHECK-CP-JSON-DAG:             "%12:sub1": 8
 # CHECK-CP-JSON-DAG:             "%13": 0
 # CHECK-CP-JSON-DAG:             "%15": 8
 # CHECK-CP-JSON-DAG:             "%17": 8
 # CHECK-CP-JSON-DAG:             "%18": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 8
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 8
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%20:vgpr_32 = V_LSHL_OR_B32_e64 %19, 8, %18, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%2": 6
 # CHECK-CP-JSON-DAG:             "%3": 7
 # CHECK-CP-JSON-DAG:             "%4": 7
 # CHECK-CP-JSON-DAG:             "%11": 7
 # CHECK-CP-JSON-DAG:             "%12:sub0": 7
 # CHECK-CP-JSON-DAG:             "%12:sub1": 7
 # CHECK-CP-JSON-DAG:             "%13": 1
 # CHECK-CP-JSON-DAG:             "%15": 7
 # CHECK-CP-JSON-DAG:             "%17": 7
 # CHECK-CP-JSON-DAG:             "%18": 0
 # CHECK-CP-JSON-DAG:             "%19": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 7
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 7
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%21:vgpr_32 = GLOBAL_LOAD_UBYTE %13, 2, 0, implicit $exec :: (load (s8) from %ir.p1 + 2, addrspace 1)",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%2": 5
 # CHECK-CP-JSON-DAG:             "%3": 6
 # CHECK-CP-JSON-DAG:             "%4": 6
 # CHECK-CP-JSON-DAG:             "%11": 6
 # CHECK-CP-JSON-DAG:             "%12:sub0": 6
 # CHECK-CP-JSON-DAG:             "%12:sub1": 6
 # CHECK-CP-JSON-DAG:             "%13": 0
 # CHECK-CP-JSON-DAG:             "%15": 6
 # CHECK-CP-JSON-DAG:             "%17": 6
 # CHECK-CP-JSON-DAG:             "%20": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 6
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 6
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%22:vgpr_32 = GLOBAL_LOAD_UBYTE %13, 3, 0, implicit $exec :: (load (s8) from %ir.p1 + 3, addrspace 1)",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%2": 4
 # CHECK-CP-JSON-DAG:             "%3": 5
 # CHECK-CP-JSON-DAG:             "%4": 5
 # CHECK-CP-JSON-DAG:             "%11": 5
 # CHECK-CP-JSON-DAG:             "%12:sub0": 5
 # CHECK-CP-JSON-DAG:             "%12:sub1": 5
 # CHECK-CP-JSON-DAG:             "%13": 0
 # CHECK-CP-JSON-DAG:             "%15": 5
 # CHECK-CP-JSON-DAG:             "%17": 5
 # CHECK-CP-JSON-DAG:             "%20": 2
 # CHECK-CP-JSON-DAG:             "%21": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 5
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 5
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%23:vgpr_32 = V_LSHL_OR_B32_e64 %22, 8, %21, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%2": 3
 # CHECK-CP-JSON-DAG:             "%3": 4
 # CHECK-CP-JSON-DAG:             "%4": 4
 # CHECK-CP-JSON-DAG:             "%11": 4
 # CHECK-CP-JSON-DAG:             "%12:sub0": 4
 # CHECK-CP-JSON-DAG:             "%12:sub1": 4
 # CHECK-CP-JSON-DAG:             "%15": 4
 # CHECK-CP-JSON-DAG:             "%17": 4
 # CHECK-CP-JSON-DAG:             "%20": 1
 # CHECK-CP-JSON-DAG:             "%21": 0
 # CHECK-CP-JSON-DAG:             "%22": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 4
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 4
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%24:vgpr_32 = V_LSHL_OR_B32_e64 %23, 16, %20, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%2": 2
 # CHECK-CP-JSON-DAG:             "%3": 3
 # CHECK-CP-JSON-DAG:             "%4": 3
 # CHECK-CP-JSON-DAG:             "%11": 3
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3
 # CHECK-CP-JSON-DAG:             "%15": 3
 # CHECK-CP-JSON-DAG:             "%17": 3
 # CHECK-CP-JSON-DAG:             "%20": 0
 # CHECK-CP-JSON-DAG:             "%23": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%25:vgpr_32 = V_MUL_LO_U32_e64 100, %24, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%2": 1
 # CHECK-CP-JSON-DAG:             "%3": 2
 # CHECK-CP-JSON-DAG:             "%4": 2
 # CHECK-CP-JSON-DAG:             "%11": 2
 # CHECK-CP-JSON-DAG:             "%12:sub0": 2
 # CHECK-CP-JSON-DAG:             "%12:sub1": 2
 # CHECK-CP-JSON-DAG:             "%15": 2
 # CHECK-CP-JSON-DAG:             "%17": 2
 # CHECK-CP-JSON-DAG:             "%24": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 2
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%3",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 2
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%26:sreg_32 = V_CMP_LT_U32_e64 %25, %2, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%2": 0
 # CHECK-CP-JSON-DAG:             "%3": 1
 # CHECK-CP-JSON-DAG:             "%4": 1
 # CHECK-CP-JSON-DAG:             "%11": 1
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1
 # CHECK-CP-JSON-DAG:             "%15": 1
 # CHECK-CP-JSON-DAG:             "%17": 1
 # CHECK-CP-JSON-DAG:             "%24": 39
 # CHECK-CP-JSON-DAG:             "%25": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 39
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 39
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%27:sreg_32 = S_MOV_B32 0",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 0
 # CHECK-CP-JSON-DAG:             "%4": 0
 # CHECK-CP-JSON-DAG:             "%11": 0
 # CHECK-CP-JSON-DAG:             "%12:sub0": 0
 # CHECK-CP-JSON-DAG:             "%12:sub1": 0
 # CHECK-CP-JSON-DAG:             "%15": 0
 # CHECK-CP-JSON-DAG:             "%17": 0
 # CHECK-CP-JSON-DAG:             "%24": 38
 # CHECK-CP-JSON-DAG:             "%25": 0
 # CHECK-CP-JSON-DAG:             "%26": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 38
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 38
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.1": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%28:sreg_32 = PHI undef %29:sreg_32, %bb.0, %30, %bb.3",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 41
 # CHECK-CP-JSON-DAG:             "%4": 20
 # CHECK-CP-JSON-DAG:             "%11": 20
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3
 # CHECK-CP-JSON-DAG:             "%12:sub1": 4
 # CHECK-CP-JSON-DAG:             "%15": 20
 # CHECK-CP-JSON-DAG:             "%17": 17
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 20
 # CHECK-CP-JSON-DAG:             "%26": 20
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%31:sreg_32 = PHI undef %32:sreg_32, %bb.0, %33, %bb.3",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 41
 # CHECK-CP-JSON-DAG:             "%4": 20
 # CHECK-CP-JSON-DAG:             "%11": 20
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3
 # CHECK-CP-JSON-DAG:             "%12:sub1": 4
 # CHECK-CP-JSON-DAG:             "%15": 20
 # CHECK-CP-JSON-DAG:             "%17": 17
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 20
 # CHECK-CP-JSON-DAG:             "%26": 20
 # CHECK-CP-JSON-DAG:             "%28": 25
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%34:sreg_32 = PHI undef %35:sreg_32, %bb.0, %36, %bb.3",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 41
 # CHECK-CP-JSON-DAG:             "%4": 20
 # CHECK-CP-JSON-DAG:             "%11": 20
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3
 # CHECK-CP-JSON-DAG:             "%12:sub1": 4
 # CHECK-CP-JSON-DAG:             "%15": 20
 # CHECK-CP-JSON-DAG:             "%17": 17
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 20
 # CHECK-CP-JSON-DAG:             "%26": 20
 # CHECK-CP-JSON-DAG:             "%28": 25
 # CHECK-CP-JSON-DAG:             "%31": 22
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%37:sreg_32 = PHI undef %38:sreg_32, %bb.0, %39, %bb.3",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 41
 # CHECK-CP-JSON-DAG:             "%4": 20
 # CHECK-CP-JSON-DAG:             "%11": 20
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3
 # CHECK-CP-JSON-DAG:             "%12:sub1": 4
 # CHECK-CP-JSON-DAG:             "%15": 20
 # CHECK-CP-JSON-DAG:             "%17": 17
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 20
 # CHECK-CP-JSON-DAG:             "%26": 20
 # CHECK-CP-JSON-DAG:             "%28": 25
 # CHECK-CP-JSON-DAG:             "%31": 22
 # CHECK-CP-JSON-DAG:             "%34": 16
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%40:sreg_32 = PHI undef %41:sreg_32, %bb.0, %42, %bb.3",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 41
 # CHECK-CP-JSON-DAG:             "%4": 20
 # CHECK-CP-JSON-DAG:             "%11": 20
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3
 # CHECK-CP-JSON-DAG:             "%12:sub1": 4
 # CHECK-CP-JSON-DAG:             "%15": 20
 # CHECK-CP-JSON-DAG:             "%17": 17
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 20
 # CHECK-CP-JSON-DAG:             "%26": 20
 # CHECK-CP-JSON-DAG:             "%28": 25
 # CHECK-CP-JSON-DAG:             "%31": 22
 # CHECK-CP-JSON-DAG:             "%34": 16
 # CHECK-CP-JSON-DAG:             "%37": 15
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%43:sreg_32 = PHI %27, %bb.0, %44, %bb.3",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 41
 # CHECK-CP-JSON-DAG:             "%4": 20
 # CHECK-CP-JSON-DAG:             "%11": 20
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3
 # CHECK-CP-JSON-DAG:             "%12:sub1": 4
 # CHECK-CP-JSON-DAG:             "%15": 20
 # CHECK-CP-JSON-DAG:             "%17": 17
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 20
 # CHECK-CP-JSON-DAG:             "%26": 20
 # CHECK-CP-JSON-DAG:             "%28": 25
 # CHECK-CP-JSON-DAG:             "%31": 22
 # CHECK-CP-JSON-DAG:             "%34": 16
 # CHECK-CP-JSON-DAG:             "%37": 15
 # CHECK-CP-JSON-DAG:             "%40": 13
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%45:sreg_32 = PHI %27, %bb.0, %46, %bb.3",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 41
 # CHECK-CP-JSON-DAG:             "%4": 20
 # CHECK-CP-JSON-DAG:             "%11": 20
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3
 # CHECK-CP-JSON-DAG:             "%12:sub1": 4
 # CHECK-CP-JSON-DAG:             "%15": 20
 # CHECK-CP-JSON-DAG:             "%17": 17
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 20
 # CHECK-CP-JSON-DAG:             "%26": 20
 # CHECK-CP-JSON-DAG:             "%28": 25
 # CHECK-CP-JSON-DAG:             "%31": 22
 # CHECK-CP-JSON-DAG:             "%34": 16
 # CHECK-CP-JSON-DAG:             "%37": 15
 # CHECK-CP-JSON-DAG:             "%40": 13
 # CHECK-CP-JSON-DAG:             "%43": 20
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%47:sreg_32_xm0 = S_ASHR_I32 %45, 31, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 41
 # CHECK-CP-JSON-DAG:             "%4": 20
 # CHECK-CP-JSON-DAG:             "%11": 20
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3
 # CHECK-CP-JSON-DAG:             "%12:sub1": 4
 # CHECK-CP-JSON-DAG:             "%15": 20
 # CHECK-CP-JSON-DAG:             "%17": 17
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 20
 # CHECK-CP-JSON-DAG:             "%26": 20
 # CHECK-CP-JSON-DAG:             "%28": 25
 # CHECK-CP-JSON-DAG:             "%31": 22
 # CHECK-CP-JSON-DAG:             "%34": 16
 # CHECK-CP-JSON-DAG:             "%37": 15
 # CHECK-CP-JSON-DAG:             "%40": 13
 # CHECK-CP-JSON-DAG:             "%43": 20
 # CHECK-CP-JSON-DAG:             "%45": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%48:sreg_64 = REG_SEQUENCE %45, %subreg.sub0, %47, %subreg.sub1",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 40
 # CHECK-CP-JSON-DAG:             "%4": 19
 # CHECK-CP-JSON-DAG:             "%11": 19
 # CHECK-CP-JSON-DAG:             "%12:sub0": 2
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3
 # CHECK-CP-JSON-DAG:             "%15": 19
 # CHECK-CP-JSON-DAG:             "%17": 16
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 19
 # CHECK-CP-JSON-DAG:             "%26": 19
 # CHECK-CP-JSON-DAG:             "%28": 24
 # CHECK-CP-JSON-DAG:             "%31": 21
 # CHECK-CP-JSON-DAG:             "%34": 15
 # CHECK-CP-JSON-DAG:             "%37": 14
 # CHECK-CP-JSON-DAG:             "%40": 12
 # CHECK-CP-JSON-DAG:             "%43": 19
 # CHECK-CP-JSON-DAG:             "%45": 0
 # CHECK-CP-JSON-DAG:             "%47": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%49:sreg_64 = nsw S_LSHL_B64 %48, 3, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 39
 # CHECK-CP-JSON-DAG:             "%4": 18
 # CHECK-CP-JSON-DAG:             "%11": 18
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1
 # CHECK-CP-JSON-DAG:             "%12:sub1": 2
 # CHECK-CP-JSON-DAG:             "%15": 18
 # CHECK-CP-JSON-DAG:             "%17": 15
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 18
 # CHECK-CP-JSON-DAG:             "%26": 18
 # CHECK-CP-JSON-DAG:             "%28": 23
 # CHECK-CP-JSON-DAG:             "%31": 20
 # CHECK-CP-JSON-DAG:             "%34": 14
 # CHECK-CP-JSON-DAG:             "%37": 13
 # CHECK-CP-JSON-DAG:             "%40": 11
 # CHECK-CP-JSON-DAG:             "%43": 18
 # CHECK-CP-JSON-DAG:             "%45": 19
 # CHECK-CP-JSON-DAG:             "%48": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%50:vgpr_32, %51:sreg_32_xm0_xexec = V_ADD_CO_U32_e64 %12.sub0, %49.sub0, 0, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 38
 # CHECK-CP-JSON-DAG:             "%4": 17
 # CHECK-CP-JSON-DAG:             "%11": 17
 # CHECK-CP-JSON-DAG:             "%12:sub0": 0
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1
 # CHECK-CP-JSON-DAG:             "%15": 17
 # CHECK-CP-JSON-DAG:             "%17": 14
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 17
 # CHECK-CP-JSON-DAG:             "%26": 17
 # CHECK-CP-JSON-DAG:             "%28": 22
 # CHECK-CP-JSON-DAG:             "%31": 19
 # CHECK-CP-JSON-DAG:             "%34": 13
 # CHECK-CP-JSON-DAG:             "%37": 12
 # CHECK-CP-JSON-DAG:             "%40": 10
 # CHECK-CP-JSON-DAG:             "%43": 17
 # CHECK-CP-JSON-DAG:             "%45": 18
 # CHECK-CP-JSON-DAG:             "%49:sub0": 0
 # CHECK-CP-JSON-DAG:             "%49:sub1": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%52:vgpr_32, dead $sgpr_null = V_ADDC_U32_e64 %49.sub1, %12.sub1, %51, 0, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 37
 # CHECK-CP-JSON-DAG:             "%4": 16
 # CHECK-CP-JSON-DAG:             "%11": 16
 # CHECK-CP-JSON-DAG:             "%12:sub0": 29
 # CHECK-CP-JSON-DAG:             "%12:sub1": 0
 # CHECK-CP-JSON-DAG:             "%15": 16
 # CHECK-CP-JSON-DAG:             "%17": 13
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 16
 # CHECK-CP-JSON-DAG:             "%26": 16
 # CHECK-CP-JSON-DAG:             "%28": 21
 # CHECK-CP-JSON-DAG:             "%31": 18
 # CHECK-CP-JSON-DAG:             "%34": 12
 # CHECK-CP-JSON-DAG:             "%37": 11
 # CHECK-CP-JSON-DAG:             "%40": 9
 # CHECK-CP-JSON-DAG:             "%43": 16
 # CHECK-CP-JSON-DAG:             "%45": 17
 # CHECK-CP-JSON-DAG:             "%49:sub1": 0
 # CHECK-CP-JSON-DAG:             "%50": 1
 # CHECK-CP-JSON-DAG:             "%51": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%53:vreg_64 = REG_SEQUENCE %50, %subreg.sub0, %52, %subreg.sub1",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 36
 # CHECK-CP-JSON-DAG:             "%4": 15
 # CHECK-CP-JSON-DAG:             "%11": 15
 # CHECK-CP-JSON-DAG:             "%12:sub0": 28
 # CHECK-CP-JSON-DAG:             "%12:sub1": 29
 # CHECK-CP-JSON-DAG:             "%15": 15
 # CHECK-CP-JSON-DAG:             "%17": 12
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 15
 # CHECK-CP-JSON-DAG:             "%26": 15
 # CHECK-CP-JSON-DAG:             "%28": 20
 # CHECK-CP-JSON-DAG:             "%31": 17
 # CHECK-CP-JSON-DAG:             "%34": 11
 # CHECK-CP-JSON-DAG:             "%37": 10
 # CHECK-CP-JSON-DAG:             "%40": 8
 # CHECK-CP-JSON-DAG:             "%43": 15
 # CHECK-CP-JSON-DAG:             "%45": 16
 # CHECK-CP-JSON-DAG:             "%50": 0
 # CHECK-CP-JSON-DAG:             "%52": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%54:vgpr_32 = GLOBAL_LOAD_UBYTE %53, 0, 0, implicit $exec :: (load (s8) from %ir.gep1, addrspace 1)",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 35
 # CHECK-CP-JSON-DAG:             "%4": 14
 # CHECK-CP-JSON-DAG:             "%11": 14
 # CHECK-CP-JSON-DAG:             "%12:sub0": 27
 # CHECK-CP-JSON-DAG:             "%12:sub1": 28
 # CHECK-CP-JSON-DAG:             "%15": 14
 # CHECK-CP-JSON-DAG:             "%17": 11
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 14
 # CHECK-CP-JSON-DAG:             "%26": 14
 # CHECK-CP-JSON-DAG:             "%28": 19
 # CHECK-CP-JSON-DAG:             "%31": 16
 # CHECK-CP-JSON-DAG:             "%34": 10
 # CHECK-CP-JSON-DAG:             "%37": 9
 # CHECK-CP-JSON-DAG:             "%40": 7
 # CHECK-CP-JSON-DAG:             "%43": 14
 # CHECK-CP-JSON-DAG:             "%45": 15
 # CHECK-CP-JSON-DAG:             "%53": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%55:vgpr_32 = GLOBAL_LOAD_UBYTE %53, 1, 0, implicit $exec :: (load (s8) from %ir.gep1 + 1, addrspace 1)",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 34
 # CHECK-CP-JSON-DAG:             "%4": 13
 # CHECK-CP-JSON-DAG:             "%11": 13
 # CHECK-CP-JSON-DAG:             "%12:sub0": 26
 # CHECK-CP-JSON-DAG:             "%12:sub1": 27
 # CHECK-CP-JSON-DAG:             "%15": 13
 # CHECK-CP-JSON-DAG:             "%17": 10
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 13
 # CHECK-CP-JSON-DAG:             "%26": 13
 # CHECK-CP-JSON-DAG:             "%28": 18
 # CHECK-CP-JSON-DAG:             "%31": 15
 # CHECK-CP-JSON-DAG:             "%34": 9
 # CHECK-CP-JSON-DAG:             "%37": 8
 # CHECK-CP-JSON-DAG:             "%40": 6
 # CHECK-CP-JSON-DAG:             "%43": 13
 # CHECK-CP-JSON-DAG:             "%45": 14
 # CHECK-CP-JSON-DAG:             "%53": 0
 # CHECK-CP-JSON-DAG:             "%54": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%56:vgpr_32 = V_LSHL_OR_B32_e64 %55, 8, %54, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 33
 # CHECK-CP-JSON-DAG:             "%4": 12
 # CHECK-CP-JSON-DAG:             "%11": 12
 # CHECK-CP-JSON-DAG:             "%12:sub0": 25
 # CHECK-CP-JSON-DAG:             "%12:sub1": 26
 # CHECK-CP-JSON-DAG:             "%15": 12
 # CHECK-CP-JSON-DAG:             "%17": 9
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 12
 # CHECK-CP-JSON-DAG:             "%26": 12
 # CHECK-CP-JSON-DAG:             "%28": 17
 # CHECK-CP-JSON-DAG:             "%31": 14
 # CHECK-CP-JSON-DAG:             "%34": 8
 # CHECK-CP-JSON-DAG:             "%37": 7
 # CHECK-CP-JSON-DAG:             "%40": 5
 # CHECK-CP-JSON-DAG:             "%43": 12
 # CHECK-CP-JSON-DAG:             "%45": 13
 # CHECK-CP-JSON-DAG:             "%53": 1
 # CHECK-CP-JSON-DAG:             "%54": 0
 # CHECK-CP-JSON-DAG:             "%55": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%57:vgpr_32 = GLOBAL_LOAD_UBYTE %53, 2, 0, implicit $exec :: (load (s8) from %ir.gep1 + 2, addrspace 1)",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 32
 # CHECK-CP-JSON-DAG:             "%4": 11
 # CHECK-CP-JSON-DAG:             "%11": 11
 # CHECK-CP-JSON-DAG:             "%12:sub0": 24
 # CHECK-CP-JSON-DAG:             "%12:sub1": 25
 # CHECK-CP-JSON-DAG:             "%15": 11
 # CHECK-CP-JSON-DAG:             "%17": 8
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 11
 # CHECK-CP-JSON-DAG:             "%26": 11
 # CHECK-CP-JSON-DAG:             "%28": 16
 # CHECK-CP-JSON-DAG:             "%31": 13
 # CHECK-CP-JSON-DAG:             "%34": 7
 # CHECK-CP-JSON-DAG:             "%37": 6
 # CHECK-CP-JSON-DAG:             "%40": 4
 # CHECK-CP-JSON-DAG:             "%43": 11
 # CHECK-CP-JSON-DAG:             "%45": 12
 # CHECK-CP-JSON-DAG:             "%53": 0
 # CHECK-CP-JSON-DAG:             "%56": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%58:vgpr_32 = GLOBAL_LOAD_UBYTE %53, 3, 0, implicit $exec :: (load (s8) from %ir.gep1 + 3, addrspace 1)",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 31
 # CHECK-CP-JSON-DAG:             "%4": 10
 # CHECK-CP-JSON-DAG:             "%11": 10
 # CHECK-CP-JSON-DAG:             "%12:sub0": 23
 # CHECK-CP-JSON-DAG:             "%12:sub1": 24
 # CHECK-CP-JSON-DAG:             "%15": 10
 # CHECK-CP-JSON-DAG:             "%17": 7
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 10
 # CHECK-CP-JSON-DAG:             "%26": 10
 # CHECK-CP-JSON-DAG:             "%28": 15
 # CHECK-CP-JSON-DAG:             "%31": 12
 # CHECK-CP-JSON-DAG:             "%34": 6
 # CHECK-CP-JSON-DAG:             "%37": 5
 # CHECK-CP-JSON-DAG:             "%40": 3
 # CHECK-CP-JSON-DAG:             "%43": 10
 # CHECK-CP-JSON-DAG:             "%45": 11
 # CHECK-CP-JSON-DAG:             "%53": 0
 # CHECK-CP-JSON-DAG:             "%56": 2
 # CHECK-CP-JSON-DAG:             "%57": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%59:vgpr_32 = V_LSHL_OR_B32_e64 %58, 8, %57, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 30
 # CHECK-CP-JSON-DAG:             "%4": 9
 # CHECK-CP-JSON-DAG:             "%11": 9
 # CHECK-CP-JSON-DAG:             "%12:sub0": 22
 # CHECK-CP-JSON-DAG:             "%12:sub1": 23
 # CHECK-CP-JSON-DAG:             "%15": 9
 # CHECK-CP-JSON-DAG:             "%17": 6
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 9
 # CHECK-CP-JSON-DAG:             "%26": 9
 # CHECK-CP-JSON-DAG:             "%28": 14
 # CHECK-CP-JSON-DAG:             "%31": 11
 # CHECK-CP-JSON-DAG:             "%34": 5
 # CHECK-CP-JSON-DAG:             "%37": 4
 # CHECK-CP-JSON-DAG:             "%40": 2
 # CHECK-CP-JSON-DAG:             "%43": 9
 # CHECK-CP-JSON-DAG:             "%45": 10
 # CHECK-CP-JSON-DAG:             "%56": 1
 # CHECK-CP-JSON-DAG:             "%57": 0
 # CHECK-CP-JSON-DAG:             "%58": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%60:vgpr_32 = V_LSHL_OR_B32_e64 %59, 16, %56, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 29
 # CHECK-CP-JSON-DAG:             "%4": 8
 # CHECK-CP-JSON-DAG:             "%11": 8
 # CHECK-CP-JSON-DAG:             "%12:sub0": 21
 # CHECK-CP-JSON-DAG:             "%12:sub1": 22
 # CHECK-CP-JSON-DAG:             "%15": 8
 # CHECK-CP-JSON-DAG:             "%17": 5
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 8
 # CHECK-CP-JSON-DAG:             "%26": 8
 # CHECK-CP-JSON-DAG:             "%28": 13
 # CHECK-CP-JSON-DAG:             "%31": 10
 # CHECK-CP-JSON-DAG:             "%34": 4
 # CHECK-CP-JSON-DAG:             "%37": 3
 # CHECK-CP-JSON-DAG:             "%40": 1
 # CHECK-CP-JSON-DAG:             "%43": 8
 # CHECK-CP-JSON-DAG:             "%45": 9
 # CHECK-CP-JSON-DAG:             "%56": 0
 # CHECK-CP-JSON-DAG:             "%59": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%61:sreg_32 = S_ANDN2_B32 %40, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 28
 # CHECK-CP-JSON-DAG:             "%4": 7
 # CHECK-CP-JSON-DAG:             "%11": 7
 # CHECK-CP-JSON-DAG:             "%12:sub0": 20
 # CHECK-CP-JSON-DAG:             "%12:sub1": 21
 # CHECK-CP-JSON-DAG:             "%15": 7
 # CHECK-CP-JSON-DAG:             "%17": 4
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 7
 # CHECK-CP-JSON-DAG:             "%26": 7
 # CHECK-CP-JSON-DAG:             "%28": 12
 # CHECK-CP-JSON-DAG:             "%31": 9
 # CHECK-CP-JSON-DAG:             "%34": 3
 # CHECK-CP-JSON-DAG:             "%37": 2
 # CHECK-CP-JSON-DAG:             "%40": 0
 # CHECK-CP-JSON-DAG:             "%43": 7
 # CHECK-CP-JSON-DAG:             "%45": 8
 # CHECK-CP-JSON-DAG:             "%60": 26
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%62:sreg_32 = COPY %61",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 27
 # CHECK-CP-JSON-DAG:             "%4": 6
 # CHECK-CP-JSON-DAG:             "%11": 6
 # CHECK-CP-JSON-DAG:             "%12:sub0": 19
 # CHECK-CP-JSON-DAG:             "%12:sub1": 20
 # CHECK-CP-JSON-DAG:             "%15": 6
 # CHECK-CP-JSON-DAG:             "%17": 3
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 6
 # CHECK-CP-JSON-DAG:             "%26": 6
 # CHECK-CP-JSON-DAG:             "%28": 11
 # CHECK-CP-JSON-DAG:             "%31": 8
 # CHECK-CP-JSON-DAG:             "%34": 2
 # CHECK-CP-JSON-DAG:             "%37": 1
 # CHECK-CP-JSON-DAG:             "%43": 6
 # CHECK-CP-JSON-DAG:             "%45": 7
 # CHECK-CP-JSON-DAG:             "%60": 25
 # CHECK-CP-JSON-DAG:             "%61": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%63:sreg_32 = S_OR_B32 %37, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 26
 # CHECK-CP-JSON-DAG:             "%4": 5
 # CHECK-CP-JSON-DAG:             "%11": 5
 # CHECK-CP-JSON-DAG:             "%12:sub0": 18
 # CHECK-CP-JSON-DAG:             "%12:sub1": 19
 # CHECK-CP-JSON-DAG:             "%15": 5
 # CHECK-CP-JSON-DAG:             "%17": 2
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 5
 # CHECK-CP-JSON-DAG:             "%26": 5
 # CHECK-CP-JSON-DAG:             "%28": 10
 # CHECK-CP-JSON-DAG:             "%31": 7
 # CHECK-CP-JSON-DAG:             "%34": 1
 # CHECK-CP-JSON-DAG:             "%37": 0
 # CHECK-CP-JSON-DAG:             "%43": 5
 # CHECK-CP-JSON-DAG:             "%45": 6
 # CHECK-CP-JSON-DAG:             "%60": 24
 # CHECK-CP-JSON-DAG:             "%61": 24
 # CHECK-CP-JSON-DAG:             "%62": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%64:sreg_32 = S_OR_B32 %34, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 25
 # CHECK-CP-JSON-DAG:             "%4": 4
 # CHECK-CP-JSON-DAG:             "%11": 4
 # CHECK-CP-JSON-DAG:             "%12:sub0": 17
 # CHECK-CP-JSON-DAG:             "%12:sub1": 18
 # CHECK-CP-JSON-DAG:             "%15": 4
 # CHECK-CP-JSON-DAG:             "%17": 1
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 4
 # CHECK-CP-JSON-DAG:             "%26": 4
 # CHECK-CP-JSON-DAG:             "%28": 9
 # CHECK-CP-JSON-DAG:             "%31": 6
 # CHECK-CP-JSON-DAG:             "%34": 0
 # CHECK-CP-JSON-DAG:             "%43": 4
 # CHECK-CP-JSON-DAG:             "%45": 5
 # CHECK-CP-JSON-DAG:             "%60": 23
 # CHECK-CP-JSON-DAG:             "%61": 23
 # CHECK-CP-JSON-DAG:             "%62": 2
 # CHECK-CP-JSON-DAG:             "%63": 2
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%65:sreg_32 = SI_IF %17, %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 24
 # CHECK-CP-JSON-DAG:             "%4": 3
 # CHECK-CP-JSON-DAG:             "%11": 3
 # CHECK-CP-JSON-DAG:             "%12:sub0": 16
 # CHECK-CP-JSON-DAG:             "%12:sub1": 17
 # CHECK-CP-JSON-DAG:             "%15": 3
 # CHECK-CP-JSON-DAG:             "%17": 0
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 3
 # CHECK-CP-JSON-DAG:             "%26": 3
 # CHECK-CP-JSON-DAG:             "%28": 8
 # CHECK-CP-JSON-DAG:             "%31": 5
 # CHECK-CP-JSON-DAG:             "%43": 3
 # CHECK-CP-JSON-DAG:             "%45": 4
 # CHECK-CP-JSON-DAG:             "%60": 22
 # CHECK-CP-JSON-DAG:             "%61": 22
 # CHECK-CP-JSON-DAG:             "%62": 1
 # CHECK-CP-JSON-DAG:             "%63": 1
 # CHECK-CP-JSON-DAG:             "%64": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.2",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 23
 # CHECK-CP-JSON-DAG:             "%4": 2
 # CHECK-CP-JSON-DAG:             "%11": 2
 # CHECK-CP-JSON-DAG:             "%12:sub0": 15
 # CHECK-CP-JSON-DAG:             "%12:sub1": 16
 # CHECK-CP-JSON-DAG:             "%15": 2
 # CHECK-CP-JSON-DAG:             "%17": 29
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 2
 # CHECK-CP-JSON-DAG:             "%26": 2
 # CHECK-CP-JSON-DAG:             "%28": 7
 # CHECK-CP-JSON-DAG:             "%31": 4
 # CHECK-CP-JSON-DAG:             "%43": 2
 # CHECK-CP-JSON-DAG:             "%45": 3
 # CHECK-CP-JSON-DAG:             "%60": 21
 # CHECK-CP-JSON-DAG:             "%61": 21
 # CHECK-CP-JSON-DAG:             "%62": 0
 # CHECK-CP-JSON-DAG:             "%63": 0
 # CHECK-CP-JSON-DAG:             "%64": 0
 # CHECK-CP-JSON-DAG:             "%65": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.2": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%66:sreg_32 = S_MOV_B32 0",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 22
 # CHECK-CP-JSON-DAG:             "%4": 1
 # CHECK-CP-JSON-DAG:             "%11": 1
 # CHECK-CP-JSON-DAG:             "%12:sub0": 43
 # CHECK-CP-JSON-DAG:             "%12:sub1": 44
 # CHECK-CP-JSON-DAG:             "%15": 1
 # CHECK-CP-JSON-DAG:             "%17": 57
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 1
 # CHECK-CP-JSON-DAG:             "%26": 1
 # CHECK-CP-JSON-DAG:             "%28": 35
 # CHECK-CP-JSON-DAG:             "%31": 32
 # CHECK-CP-JSON-DAG:             "%43": 30
 # CHECK-CP-JSON-DAG:             "%45": 19
 # CHECK-CP-JSON-DAG:             "%60": 20
 # CHECK-CP-JSON-DAG:             "%61": 20
 # CHECK-CP-JSON-DAG:             "%63": 23
 # CHECK-CP-JSON-DAG:             "%64": 25
 # CHECK-CP-JSON-DAG:             "%65": 29
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.4",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 21
 # CHECK-CP-JSON-DAG:             "%4": 0
 # CHECK-CP-JSON-DAG:             "%11": 0
 # CHECK-CP-JSON-DAG:             "%12:sub0": 42
 # CHECK-CP-JSON-DAG:             "%12:sub1": 43
 # CHECK-CP-JSON-DAG:             "%15": 0
 # CHECK-CP-JSON-DAG:             "%17": 56
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 0
 # CHECK-CP-JSON-DAG:             "%26": 0
 # CHECK-CP-JSON-DAG:             "%28": 34
 # CHECK-CP-JSON-DAG:             "%31": 31
 # CHECK-CP-JSON-DAG:             "%43": 29
 # CHECK-CP-JSON-DAG:             "%45": 18
 # CHECK-CP-JSON-DAG:             "%60": 19
 # CHECK-CP-JSON-DAG:             "%61": 19
 # CHECK-CP-JSON-DAG:             "%63": 22
 # CHECK-CP-JSON-DAG:             "%64": 24
 # CHECK-CP-JSON-DAG:             "%65": 28
 # CHECK-CP-JSON-DAG:             "%66": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.3": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%36:sreg_32 = PHI %64, %bb.1, %67, %bb.14",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 52
 # CHECK-CP-JSON-DAG:             "%4": 31
 # CHECK-CP-JSON-DAG:             "%11": 31
 # CHECK-CP-JSON-DAG:             "%12:sub0": 14
 # CHECK-CP-JSON-DAG:             "%12:sub1": 15
 # CHECK-CP-JSON-DAG:             "%15": 31
 # CHECK-CP-JSON-DAG:             "%17": 28
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 31
 # CHECK-CP-JSON-DAG:             "%26": 31
 # CHECK-CP-JSON-DAG:             "%28": 6
 # CHECK-CP-JSON-DAG:             "%31": 3
 # CHECK-CP-JSON-DAG:             "%43": 1
 # CHECK-CP-JSON-DAG:             "%45": 2
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%65": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%39:sreg_32 = PHI %63, %bb.1, %68, %bb.14",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 52
 # CHECK-CP-JSON-DAG:             "%4": 31
 # CHECK-CP-JSON-DAG:             "%11": 31
 # CHECK-CP-JSON-DAG:             "%12:sub0": 14
 # CHECK-CP-JSON-DAG:             "%12:sub1": 15
 # CHECK-CP-JSON-DAG:             "%15": 31
 # CHECK-CP-JSON-DAG:             "%17": 28
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 31
 # CHECK-CP-JSON-DAG:             "%26": 31
 # CHECK-CP-JSON-DAG:             "%28": 6
 # CHECK-CP-JSON-DAG:             "%31": 3
 # CHECK-CP-JSON-DAG:             "%36": 1
 # CHECK-CP-JSON-DAG:             "%43": 1
 # CHECK-CP-JSON-DAG:             "%45": 2
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%65": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%42:sreg_32 = PHI %62, %bb.1, %69, %bb.14",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 52
 # CHECK-CP-JSON-DAG:             "%4": 31
 # CHECK-CP-JSON-DAG:             "%11": 31
 # CHECK-CP-JSON-DAG:             "%12:sub0": 14
 # CHECK-CP-JSON-DAG:             "%12:sub1": 15
 # CHECK-CP-JSON-DAG:             "%15": 31
 # CHECK-CP-JSON-DAG:             "%17": 28
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 31
 # CHECK-CP-JSON-DAG:             "%26": 31
 # CHECK-CP-JSON-DAG:             "%28": 6
 # CHECK-CP-JSON-DAG:             "%31": 3
 # CHECK-CP-JSON-DAG:             "%36": 1
 # CHECK-CP-JSON-DAG:             "%39": 7
 # CHECK-CP-JSON-DAG:             "%43": 1
 # CHECK-CP-JSON-DAG:             "%45": 2
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%65": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%46:sreg_32 = PHI undef %70:sreg_32, %bb.1, %71, %bb.14",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 52
 # CHECK-CP-JSON-DAG:             "%4": 31
 # CHECK-CP-JSON-DAG:             "%11": 31
 # CHECK-CP-JSON-DAG:             "%12:sub0": 14
 # CHECK-CP-JSON-DAG:             "%12:sub1": 15
 # CHECK-CP-JSON-DAG:             "%15": 31
 # CHECK-CP-JSON-DAG:             "%17": 28
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 31
 # CHECK-CP-JSON-DAG:             "%26": 31
 # CHECK-CP-JSON-DAG:             "%28": 6
 # CHECK-CP-JSON-DAG:             "%31": 3
 # CHECK-CP-JSON-DAG:             "%36": 1
 # CHECK-CP-JSON-DAG:             "%39": 7
 # CHECK-CP-JSON-DAG:             "%42": 4
 # CHECK-CP-JSON-DAG:             "%43": 1
 # CHECK-CP-JSON-DAG:             "%45": 2
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%65": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%72:vgpr_32 = PHI undef %73:vgpr_32, %bb.1, %74, %bb.14",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 52
 # CHECK-CP-JSON-DAG:             "%4": 31
 # CHECK-CP-JSON-DAG:             "%11": 31
 # CHECK-CP-JSON-DAG:             "%12:sub0": 14
 # CHECK-CP-JSON-DAG:             "%12:sub1": 15
 # CHECK-CP-JSON-DAG:             "%15": 31
 # CHECK-CP-JSON-DAG:             "%17": 28
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 31
 # CHECK-CP-JSON-DAG:             "%26": 31
 # CHECK-CP-JSON-DAG:             "%28": 6
 # CHECK-CP-JSON-DAG:             "%31": 3
 # CHECK-CP-JSON-DAG:             "%36": 1
 # CHECK-CP-JSON-DAG:             "%39": 7
 # CHECK-CP-JSON-DAG:             "%42": 4
 # CHECK-CP-JSON-DAG:             "%43": 1
 # CHECK-CP-JSON-DAG:             "%45": 2
 # CHECK-CP-JSON-DAG:             "%46": 10
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%65": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%75:vgpr_32 = PHI undef %73:vgpr_32, %bb.1, %76, %bb.14",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 52
 # CHECK-CP-JSON-DAG:             "%4": 31
 # CHECK-CP-JSON-DAG:             "%11": 31
 # CHECK-CP-JSON-DAG:             "%12:sub0": 14
 # CHECK-CP-JSON-DAG:             "%12:sub1": 15
 # CHECK-CP-JSON-DAG:             "%15": 31
 # CHECK-CP-JSON-DAG:             "%17": 28
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 31
 # CHECK-CP-JSON-DAG:             "%26": 31
 # CHECK-CP-JSON-DAG:             "%28": 6
 # CHECK-CP-JSON-DAG:             "%31": 3
 # CHECK-CP-JSON-DAG:             "%36": 1
 # CHECK-CP-JSON-DAG:             "%39": 7
 # CHECK-CP-JSON-DAG:             "%42": 4
 # CHECK-CP-JSON-DAG:             "%43": 1
 # CHECK-CP-JSON-DAG:             "%45": 2
 # CHECK-CP-JSON-DAG:             "%46": 10
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%65": 0
 # CHECK-CP-JSON-DAG:             "%72": 3847
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %65, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 52
 # CHECK-CP-JSON-DAG:             "%4": 31
 # CHECK-CP-JSON-DAG:             "%11": 31
 # CHECK-CP-JSON-DAG:             "%12:sub0": 14
 # CHECK-CP-JSON-DAG:             "%12:sub1": 15
 # CHECK-CP-JSON-DAG:             "%15": 31
 # CHECK-CP-JSON-DAG:             "%17": 28
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 31
 # CHECK-CP-JSON-DAG:             "%26": 31
 # CHECK-CP-JSON-DAG:             "%28": 6
 # CHECK-CP-JSON-DAG:             "%31": 3
 # CHECK-CP-JSON-DAG:             "%36": 1
 # CHECK-CP-JSON-DAG:             "%39": 7
 # CHECK-CP-JSON-DAG:             "%42": 4
 # CHECK-CP-JSON-DAG:             "%43": 1
 # CHECK-CP-JSON-DAG:             "%45": 2
 # CHECK-CP-JSON-DAG:             "%46": 10
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%65": 0
 # CHECK-CP-JSON-DAG:             "%72": 3847
 # CHECK-CP-JSON-DAG:             "%75": 3846
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%44:sreg_32 = SI_IF_BREAK %36, %43, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 51
 # CHECK-CP-JSON-DAG:             "%4": 30
 # CHECK-CP-JSON-DAG:             "%11": 30
 # CHECK-CP-JSON-DAG:             "%12:sub0": 13
 # CHECK-CP-JSON-DAG:             "%12:sub1": 14
 # CHECK-CP-JSON-DAG:             "%15": 30
 # CHECK-CP-JSON-DAG:             "%17": 27
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 30
 # CHECK-CP-JSON-DAG:             "%26": 30
 # CHECK-CP-JSON-DAG:             "%28": 5
 # CHECK-CP-JSON-DAG:             "%31": 2
 # CHECK-CP-JSON-DAG:             "%36": 0
 # CHECK-CP-JSON-DAG:             "%39": 6
 # CHECK-CP-JSON-DAG:             "%42": 3
 # CHECK-CP-JSON-DAG:             "%43": 0
 # CHECK-CP-JSON-DAG:             "%45": 1
 # CHECK-CP-JSON-DAG:             "%46": 9
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%72": 3847
 # CHECK-CP-JSON-DAG:             "%75": 3846
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%77:vgpr_32 = COPY %45, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 50
 # CHECK-CP-JSON-DAG:             "%4": 29
 # CHECK-CP-JSON-DAG:             "%11": 29
 # CHECK-CP-JSON-DAG:             "%12:sub0": 12
 # CHECK-CP-JSON-DAG:             "%12:sub1": 13
 # CHECK-CP-JSON-DAG:             "%15": 29
 # CHECK-CP-JSON-DAG:             "%17": 26
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 29
 # CHECK-CP-JSON-DAG:             "%26": 29
 # CHECK-CP-JSON-DAG:             "%28": 4
 # CHECK-CP-JSON-DAG:             "%31": 1
 # CHECK-CP-JSON-DAG:             "%36": 8
 # CHECK-CP-JSON-DAG:             "%39": 5
 # CHECK-CP-JSON-DAG:             "%42": 2
 # CHECK-CP-JSON-DAG:             "%44": 7
 # CHECK-CP-JSON-DAG:             "%45": 0
 # CHECK-CP-JSON-DAG:             "%46": 8
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%72": 3847
 # CHECK-CP-JSON-DAG:             "%75": 3846
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%78:sreg_32 = S_ANDN2_B32 %31, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 49
 # CHECK-CP-JSON-DAG:             "%4": 28
 # CHECK-CP-JSON-DAG:             "%11": 28
 # CHECK-CP-JSON-DAG:             "%12:sub0": 11
 # CHECK-CP-JSON-DAG:             "%12:sub1": 12
 # CHECK-CP-JSON-DAG:             "%15": 28
 # CHECK-CP-JSON-DAG:             "%17": 25
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 28
 # CHECK-CP-JSON-DAG:             "%26": 28
 # CHECK-CP-JSON-DAG:             "%28": 3
 # CHECK-CP-JSON-DAG:             "%31": 0
 # CHECK-CP-JSON-DAG:             "%36": 7
 # CHECK-CP-JSON-DAG:             "%39": 4
 # CHECK-CP-JSON-DAG:             "%42": 1
 # CHECK-CP-JSON-DAG:             "%44": 6
 # CHECK-CP-JSON-DAG:             "%46": 7
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%72": 3847
 # CHECK-CP-JSON-DAG:             "%75": 3846
 # CHECK-CP-JSON-DAG:             "%77": 3847
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%79:sreg_32 = S_AND_B32 %42, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 48
 # CHECK-CP-JSON-DAG:             "%4": 27
 # CHECK-CP-JSON-DAG:             "%11": 27
 # CHECK-CP-JSON-DAG:             "%12:sub0": 10
 # CHECK-CP-JSON-DAG:             "%12:sub1": 11
 # CHECK-CP-JSON-DAG:             "%15": 27
 # CHECK-CP-JSON-DAG:             "%17": 24
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 27
 # CHECK-CP-JSON-DAG:             "%26": 27
 # CHECK-CP-JSON-DAG:             "%28": 2
 # CHECK-CP-JSON-DAG:             "%36": 6
 # CHECK-CP-JSON-DAG:             "%39": 3
 # CHECK-CP-JSON-DAG:             "%42": 0
 # CHECK-CP-JSON-DAG:             "%44": 5
 # CHECK-CP-JSON-DAG:             "%46": 6
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%72": 3847
 # CHECK-CP-JSON-DAG:             "%75": 3846
 # CHECK-CP-JSON-DAG:             "%77": 3847
 # CHECK-CP-JSON-DAG:             "%78": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%33:sreg_32 = S_OR_B32 %78, %79, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 47
 # CHECK-CP-JSON-DAG:             "%4": 26
 # CHECK-CP-JSON-DAG:             "%11": 26
 # CHECK-CP-JSON-DAG:             "%12:sub0": 9
 # CHECK-CP-JSON-DAG:             "%12:sub1": 10
 # CHECK-CP-JSON-DAG:             "%15": 26
 # CHECK-CP-JSON-DAG:             "%17": 23
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 26
 # CHECK-CP-JSON-DAG:             "%26": 26
 # CHECK-CP-JSON-DAG:             "%28": 1
 # CHECK-CP-JSON-DAG:             "%36": 5
 # CHECK-CP-JSON-DAG:             "%39": 2
 # CHECK-CP-JSON-DAG:             "%42": 5
 # CHECK-CP-JSON-DAG:             "%44": 4
 # CHECK-CP-JSON-DAG:             "%46": 5
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%72": 3847
 # CHECK-CP-JSON-DAG:             "%75": 3846
 # CHECK-CP-JSON-DAG:             "%77": 3847
 # CHECK-CP-JSON-DAG:             "%78": 0
 # CHECK-CP-JSON-DAG:             "%79": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%80:sreg_32 = S_ANDN2_B32 %28, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 46
 # CHECK-CP-JSON-DAG:             "%4": 25
 # CHECK-CP-JSON-DAG:             "%11": 25
 # CHECK-CP-JSON-DAG:             "%12:sub0": 8
 # CHECK-CP-JSON-DAG:             "%12:sub1": 9
 # CHECK-CP-JSON-DAG:             "%15": 25
 # CHECK-CP-JSON-DAG:             "%17": 22
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 25
 # CHECK-CP-JSON-DAG:             "%26": 25
 # CHECK-CP-JSON-DAG:             "%28": 0
 # CHECK-CP-JSON-DAG:             "%33": 4
 # CHECK-CP-JSON-DAG:             "%36": 4
 # CHECK-CP-JSON-DAG:             "%39": 1
 # CHECK-CP-JSON-DAG:             "%42": 4
 # CHECK-CP-JSON-DAG:             "%44": 3
 # CHECK-CP-JSON-DAG:             "%46": 4
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%72": 3847
 # CHECK-CP-JSON-DAG:             "%75": 3846
 # CHECK-CP-JSON-DAG:             "%77": 3847
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%81:sreg_32 = S_AND_B32 %39, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 45
 # CHECK-CP-JSON-DAG:             "%4": 24
 # CHECK-CP-JSON-DAG:             "%11": 24
 # CHECK-CP-JSON-DAG:             "%12:sub0": 7
 # CHECK-CP-JSON-DAG:             "%12:sub1": 8
 # CHECK-CP-JSON-DAG:             "%15": 24
 # CHECK-CP-JSON-DAG:             "%17": 21
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 24
 # CHECK-CP-JSON-DAG:             "%26": 24
 # CHECK-CP-JSON-DAG:             "%33": 3
 # CHECK-CP-JSON-DAG:             "%36": 3
 # CHECK-CP-JSON-DAG:             "%39": 0
 # CHECK-CP-JSON-DAG:             "%42": 3
 # CHECK-CP-JSON-DAG:             "%44": 2
 # CHECK-CP-JSON-DAG:             "%46": 3
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%72": 3847
 # CHECK-CP-JSON-DAG:             "%75": 3846
 # CHECK-CP-JSON-DAG:             "%77": 3847
 # CHECK-CP-JSON-DAG:             "%80": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%30:sreg_32 = S_OR_B32 %80, %81, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 44
 # CHECK-CP-JSON-DAG:             "%4": 23
 # CHECK-CP-JSON-DAG:             "%11": 23
 # CHECK-CP-JSON-DAG:             "%12:sub0": 6
 # CHECK-CP-JSON-DAG:             "%12:sub1": 7
 # CHECK-CP-JSON-DAG:             "%15": 23
 # CHECK-CP-JSON-DAG:             "%17": 20
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 23
 # CHECK-CP-JSON-DAG:             "%26": 23
 # CHECK-CP-JSON-DAG:             "%33": 2
 # CHECK-CP-JSON-DAG:             "%36": 2
 # CHECK-CP-JSON-DAG:             "%39": 2
 # CHECK-CP-JSON-DAG:             "%42": 2
 # CHECK-CP-JSON-DAG:             "%44": 1
 # CHECK-CP-JSON-DAG:             "%46": 2
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%72": 3847
 # CHECK-CP-JSON-DAG:             "%75": 3846
 # CHECK-CP-JSON-DAG:             "%77": 3847
 # CHECK-CP-JSON-DAG:             "%80": 0
 # CHECK-CP-JSON-DAG:             "%81": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "SI_LOOP %44, %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 43
 # CHECK-CP-JSON-DAG:             "%4": 22
 # CHECK-CP-JSON-DAG:             "%11": 22
 # CHECK-CP-JSON-DAG:             "%12:sub0": 5
 # CHECK-CP-JSON-DAG:             "%12:sub1": 6
 # CHECK-CP-JSON-DAG:             "%15": 22
 # CHECK-CP-JSON-DAG:             "%17": 19
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 22
 # CHECK-CP-JSON-DAG:             "%26": 22
 # CHECK-CP-JSON-DAG:             "%30": 1
 # CHECK-CP-JSON-DAG:             "%33": 1
 # CHECK-CP-JSON-DAG:             "%36": 1
 # CHECK-CP-JSON-DAG:             "%39": 1
 # CHECK-CP-JSON-DAG:             "%42": 1
 # CHECK-CP-JSON-DAG:             "%44": 0
 # CHECK-CP-JSON-DAG:             "%46": 1
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%72": 3847
 # CHECK-CP-JSON-DAG:             "%75": 3846
 # CHECK-CP-JSON-DAG:             "%77": 3847
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.15",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 42
 # CHECK-CP-JSON-DAG:             "%4": 21
 # CHECK-CP-JSON-DAG:             "%11": 21
 # CHECK-CP-JSON-DAG:             "%12:sub0": 4
 # CHECK-CP-JSON-DAG:             "%12:sub1": 5
 # CHECK-CP-JSON-DAG:             "%15": 21
 # CHECK-CP-JSON-DAG:             "%17": 18
 # CHECK-CP-JSON-DAG:             "%24": 3848
 # CHECK-CP-JSON-DAG:             "%25": 21
 # CHECK-CP-JSON-DAG:             "%26": 21
 # CHECK-CP-JSON-DAG:             "%30": 0
 # CHECK-CP-JSON-DAG:             "%33": 0
 # CHECK-CP-JSON-DAG:             "%36": 0
 # CHECK-CP-JSON-DAG:             "%39": 0
 # CHECK-CP-JSON-DAG:             "%42": 0
 # CHECK-CP-JSON-DAG:             "%44": 0
 # CHECK-CP-JSON-DAG:             "%46": 0
 # CHECK-CP-JSON-DAG:             "%60": 3847
 # CHECK-CP-JSON-DAG:             "%72": 3847
 # CHECK-CP-JSON-DAG:             "%75": 3846
 # CHECK-CP-JSON-DAG:             "%77": 3847
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3848
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.4": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%82:sreg_32 = PHI undef %83:sreg_32, %bb.2, %84, %bb.6",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 10
 # CHECK-CP-JSON-DAG:             "%11": 5
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 3
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 5
 # CHECK-CP-JSON-DAG:             "%26": 7
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%85:sreg_32 = PHI undef %86:sreg_32, %bb.2, %87, %bb.6",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 10
 # CHECK-CP-JSON-DAG:             "%11": 5
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 3
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 5
 # CHECK-CP-JSON-DAG:             "%26": 7
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%82": 8
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%88:sreg_32 = PHI undef %89:sreg_32, %bb.2, %90, %bb.6",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 10
 # CHECK-CP-JSON-DAG:             "%11": 5
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 3
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 5
 # CHECK-CP-JSON-DAG:             "%26": 7
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%82": 8
 # CHECK-CP-JSON-DAG:             "%85": 2
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%91:sreg_32 = PHI %66, %bb.2, %92, %bb.6",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 10
 # CHECK-CP-JSON-DAG:             "%11": 5
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 3
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 5
 # CHECK-CP-JSON-DAG:             "%26": 7
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%82": 8
 # CHECK-CP-JSON-DAG:             "%85": 2
 # CHECK-CP-JSON-DAG:             "%88": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%93:sreg_32 = PHI %66, %bb.2, %94, %bb.6",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 10
 # CHECK-CP-JSON-DAG:             "%11": 5
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 3
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 5
 # CHECK-CP-JSON-DAG:             "%26": 7
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%82": 8
 # CHECK-CP-JSON-DAG:             "%85": 2
 # CHECK-CP-JSON-DAG:             "%88": 1
 # CHECK-CP-JSON-DAG:             "%91": 7
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%95:vgpr_32 = COPY %93, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 10
 # CHECK-CP-JSON-DAG:             "%11": 5
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 3
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 5
 # CHECK-CP-JSON-DAG:             "%26": 7
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%82": 8
 # CHECK-CP-JSON-DAG:             "%85": 2
 # CHECK-CP-JSON-DAG:             "%88": 1
 # CHECK-CP-JSON-DAG:             "%91": 7
 # CHECK-CP-JSON-DAG:             "%93": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%96:sreg_32 = S_OR_B32 %88, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 9
 # CHECK-CP-JSON-DAG:             "%11": 4
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 2
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 4
 # CHECK-CP-JSON-DAG:             "%26": 6
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%82": 7
 # CHECK-CP-JSON-DAG:             "%85": 1
 # CHECK-CP-JSON-DAG:             "%88": 0
 # CHECK-CP-JSON-DAG:             "%91": 6
 # CHECK-CP-JSON-DAG:             "%93": 8
 # CHECK-CP-JSON-DAG:             "%95": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%97:sreg_32 = S_OR_B32 %85, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 8
 # CHECK-CP-JSON-DAG:             "%11": 3
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 1
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 3
 # CHECK-CP-JSON-DAG:             "%26": 5
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%82": 6
 # CHECK-CP-JSON-DAG:             "%85": 0
 # CHECK-CP-JSON-DAG:             "%91": 5
 # CHECK-CP-JSON-DAG:             "%93": 7
 # CHECK-CP-JSON-DAG:             "%95": 2
 # CHECK-CP-JSON-DAG:             "%96": 2
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%98:sreg_32 = SI_IF %15, %bb.6, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 7
 # CHECK-CP-JSON-DAG:             "%11": 2
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 0
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 2
 # CHECK-CP-JSON-DAG:             "%26": 4
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%82": 5
 # CHECK-CP-JSON-DAG:             "%91": 4
 # CHECK-CP-JSON-DAG:             "%93": 6
 # CHECK-CP-JSON-DAG:             "%95": 1
 # CHECK-CP-JSON-DAG:             "%96": 1
 # CHECK-CP-JSON-DAG:             "%97": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.5",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 6
 # CHECK-CP-JSON-DAG:             "%11": 1
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 12
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 1
 # CHECK-CP-JSON-DAG:             "%26": 3
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%82": 4
 # CHECK-CP-JSON-DAG:             "%91": 3
 # CHECK-CP-JSON-DAG:             "%93": 5
 # CHECK-CP-JSON-DAG:             "%95": 0
 # CHECK-CP-JSON-DAG:             "%96": 0
 # CHECK-CP-JSON-DAG:             "%97": 0
 # CHECK-CP-JSON-DAG:             "%98": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.5": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "GLOBAL_STORE_DWORD %11, %25, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 5
 # CHECK-CP-JSON-DAG:             "%11": 0
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 23
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 0
 # CHECK-CP-JSON-DAG:             "%26": 2
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 15
 # CHECK-CP-JSON-DAG:             "%91": 14
 # CHECK-CP-JSON-DAG:             "%93": 4
 # CHECK-CP-JSON-DAG:             "%96": 5
 # CHECK-CP-JSON-DAG:             "%97": 8
 # CHECK-CP-JSON-DAG:             "%98": 12
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%99:sreg_32 = S_MOV_B32 -1",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 4
 # CHECK-CP-JSON-DAG:             "%11": 24
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 22
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 10
 # CHECK-CP-JSON-DAG:             "%26": 1
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 14
 # CHECK-CP-JSON-DAG:             "%91": 13
 # CHECK-CP-JSON-DAG:             "%93": 3
 # CHECK-CP-JSON-DAG:             "%96": 4
 # CHECK-CP-JSON-DAG:             "%97": 7
 # CHECK-CP-JSON-DAG:             "%98": 11
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%100:sreg_32 = SI_IF %26, %bb.17, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 3
 # CHECK-CP-JSON-DAG:             "%11": 23
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 21
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 9
 # CHECK-CP-JSON-DAG:             "%26": 0
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 13
 # CHECK-CP-JSON-DAG:             "%91": 12
 # CHECK-CP-JSON-DAG:             "%93": 2
 # CHECK-CP-JSON-DAG:             "%96": 3
 # CHECK-CP-JSON-DAG:             "%97": 6
 # CHECK-CP-JSON-DAG:             "%98": 10
 # CHECK-CP-JSON-DAG:             "%99": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.7",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 2
 # CHECK-CP-JSON-DAG:             "%11": 22
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 20
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 8
 # CHECK-CP-JSON-DAG:             "%26": 24
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 12
 # CHECK-CP-JSON-DAG:             "%91": 11
 # CHECK-CP-JSON-DAG:             "%93": 1
 # CHECK-CP-JSON-DAG:             "%96": 2
 # CHECK-CP-JSON-DAG:             "%97": 5
 # CHECK-CP-JSON-DAG:             "%98": 9
 # CHECK-CP-JSON-DAG:             "%99": 0
 # CHECK-CP-JSON-DAG:             "%100": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.6": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%87:sreg_32 = PHI %97, %bb.4, %101, %bb.17",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 18
 # CHECK-CP-JSON-DAG:             "%11": 13
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 11
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 13
 # CHECK-CP-JSON-DAG:             "%26": 15
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%82": 3
 # CHECK-CP-JSON-DAG:             "%91": 2
 # CHECK-CP-JSON-DAG:             "%98": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%90:sreg_32 = PHI %96, %bb.4, %102, %bb.17",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 18
 # CHECK-CP-JSON-DAG:             "%11": 13
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 11
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 13
 # CHECK-CP-JSON-DAG:             "%26": 15
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%82": 3
 # CHECK-CP-JSON-DAG:             "%87": 2
 # CHECK-CP-JSON-DAG:             "%91": 2
 # CHECK-CP-JSON-DAG:             "%98": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%94:sreg_32 = PHI undef %103:sreg_32, %bb.4, %104, %bb.17",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 18
 # CHECK-CP-JSON-DAG:             "%11": 13
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 11
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 13
 # CHECK-CP-JSON-DAG:             "%26": 15
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%82": 3
 # CHECK-CP-JSON-DAG:             "%87": 2
 # CHECK-CP-JSON-DAG:             "%90": 1
 # CHECK-CP-JSON-DAG:             "%91": 2
 # CHECK-CP-JSON-DAG:             "%98": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%74:vgpr_32 = PHI %95, %bb.4, %25, %bb.17",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 18
 # CHECK-CP-JSON-DAG:             "%11": 13
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 11
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 13
 # CHECK-CP-JSON-DAG:             "%26": 15
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%82": 3
 # CHECK-CP-JSON-DAG:             "%87": 2
 # CHECK-CP-JSON-DAG:             "%90": 1
 # CHECK-CP-JSON-DAG:             "%91": 2
 # CHECK-CP-JSON-DAG:             "%94": 7
 # CHECK-CP-JSON-DAG:             "%98": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %98, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 18
 # CHECK-CP-JSON-DAG:             "%11": 13
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 11
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 13
 # CHECK-CP-JSON-DAG:             "%26": 15
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%74": 1678
 # CHECK-CP-JSON-DAG:             "%82": 3
 # CHECK-CP-JSON-DAG:             "%87": 2
 # CHECK-CP-JSON-DAG:             "%90": 1
 # CHECK-CP-JSON-DAG:             "%91": 2
 # CHECK-CP-JSON-DAG:             "%94": 7
 # CHECK-CP-JSON-DAG:             "%98": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%105:sreg_32 = S_XOR_B32 %90, -1, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 17
 # CHECK-CP-JSON-DAG:             "%11": 12
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 10
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 12
 # CHECK-CP-JSON-DAG:             "%26": 14
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%74": 1678
 # CHECK-CP-JSON-DAG:             "%82": 2
 # CHECK-CP-JSON-DAG:             "%87": 1
 # CHECK-CP-JSON-DAG:             "%90": 0
 # CHECK-CP-JSON-DAG:             "%91": 1
 # CHECK-CP-JSON-DAG:             "%94": 6
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%92:sreg_32 = SI_IF_BREAK %87, %91, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 16
 # CHECK-CP-JSON-DAG:             "%11": 11
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 9
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 11
 # CHECK-CP-JSON-DAG:             "%26": 13
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%74": 1678
 # CHECK-CP-JSON-DAG:             "%82": 1
 # CHECK-CP-JSON-DAG:             "%87": 0
 # CHECK-CP-JSON-DAG:             "%90": 5
 # CHECK-CP-JSON-DAG:             "%91": 0
 # CHECK-CP-JSON-DAG:             "%94": 5
 # CHECK-CP-JSON-DAG:             "%105": 2
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%106:sreg_32 = S_ANDN2_B32 %82, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 15
 # CHECK-CP-JSON-DAG:             "%11": 10
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 8
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 10
 # CHECK-CP-JSON-DAG:             "%26": 12
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%74": 1678
 # CHECK-CP-JSON-DAG:             "%82": 0
 # CHECK-CP-JSON-DAG:             "%87": 4
 # CHECK-CP-JSON-DAG:             "%90": 4
 # CHECK-CP-JSON-DAG:             "%92": 3
 # CHECK-CP-JSON-DAG:             "%94": 4
 # CHECK-CP-JSON-DAG:             "%105": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%107:sreg_32 = S_AND_B32 %105, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 14
 # CHECK-CP-JSON-DAG:             "%11": 9
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 7
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 9
 # CHECK-CP-JSON-DAG:             "%26": 11
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%74": 1678
 # CHECK-CP-JSON-DAG:             "%87": 3
 # CHECK-CP-JSON-DAG:             "%90": 3
 # CHECK-CP-JSON-DAG:             "%92": 2
 # CHECK-CP-JSON-DAG:             "%94": 3
 # CHECK-CP-JSON-DAG:             "%105": 0
 # CHECK-CP-JSON-DAG:             "%106": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%84:sreg_32 = S_OR_B32 %106, %107, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 13
 # CHECK-CP-JSON-DAG:             "%11": 8
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 6
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 8
 # CHECK-CP-JSON-DAG:             "%26": 10
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%74": 1678
 # CHECK-CP-JSON-DAG:             "%87": 2
 # CHECK-CP-JSON-DAG:             "%90": 2
 # CHECK-CP-JSON-DAG:             "%92": 1
 # CHECK-CP-JSON-DAG:             "%94": 2
 # CHECK-CP-JSON-DAG:             "%106": 0
 # CHECK-CP-JSON-DAG:             "%107": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "SI_LOOP %92, %bb.4, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 12
 # CHECK-CP-JSON-DAG:             "%11": 7
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 5
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 7
 # CHECK-CP-JSON-DAG:             "%26": 9
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%74": 1678
 # CHECK-CP-JSON-DAG:             "%84": 1
 # CHECK-CP-JSON-DAG:             "%87": 1
 # CHECK-CP-JSON-DAG:             "%90": 1
 # CHECK-CP-JSON-DAG:             "%92": 0
 # CHECK-CP-JSON-DAG:             "%94": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.18",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1672
 # CHECK-CP-JSON-DAG:             "%4": 11
 # CHECK-CP-JSON-DAG:             "%11": 6
 # CHECK-CP-JSON-DAG:             "%12:sub0": 1693
 # CHECK-CP-JSON-DAG:             "%12:sub1": 1694
 # CHECK-CP-JSON-DAG:             "%15": 4
 # CHECK-CP-JSON-DAG:             "%17": 1707
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 6
 # CHECK-CP-JSON-DAG:             "%26": 8
 # CHECK-CP-JSON-DAG:             "%28": 1685
 # CHECK-CP-JSON-DAG:             "%31": 1682
 # CHECK-CP-JSON-DAG:             "%43": 1680
 # CHECK-CP-JSON-DAG:             "%45": 1669
 # CHECK-CP-JSON-DAG:             "%60": 1670
 # CHECK-CP-JSON-DAG:             "%61": 1670
 # CHECK-CP-JSON-DAG:             "%63": 1673
 # CHECK-CP-JSON-DAG:             "%64": 1675
 # CHECK-CP-JSON-DAG:             "%65": 1679
 # CHECK-CP-JSON-DAG:             "%74": 1678
 # CHECK-CP-JSON-DAG:             "%84": 0
 # CHECK-CP-JSON-DAG:             "%87": 0
 # CHECK-CP-JSON-DAG:             "%90": 0
 # CHECK-CP-JSON-DAG:             "%92": 0
 # CHECK-CP-JSON-DAG:             "%94": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.7": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%108:sreg_32 = S_ADD_I32 %93, 1, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3848
 # CHECK-CP-JSON-DAG:             "%4": 1
 # CHECK-CP-JSON-DAG:             "%11": 26
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3869
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3870
 # CHECK-CP-JSON-DAG:             "%15": 24
 # CHECK-CP-JSON-DAG:             "%17": 3883
 # CHECK-CP-JSON-DAG:             "%24": 497416
 # CHECK-CP-JSON-DAG:             "%25": 12
 # CHECK-CP-JSON-DAG:             "%26": 28
 # CHECK-CP-JSON-DAG:             "%28": 3861
 # CHECK-CP-JSON-DAG:             "%31": 3858
 # CHECK-CP-JSON-DAG:             "%43": 3856
 # CHECK-CP-JSON-DAG:             "%45": 3845
 # CHECK-CP-JSON-DAG:             "%60": 3846
 # CHECK-CP-JSON-DAG:             "%61": 3846
 # CHECK-CP-JSON-DAG:             "%63": 3849
 # CHECK-CP-JSON-DAG:             "%64": 3851
 # CHECK-CP-JSON-DAG:             "%65": 3855
 # CHECK-CP-JSON-DAG:             "%82": 16
 # CHECK-CP-JSON-DAG:             "%91": 15
 # CHECK-CP-JSON-DAG:             "%93": 0
 # CHECK-CP-JSON-DAG:             "%96": 6
 # CHECK-CP-JSON-DAG:             "%97": 9
 # CHECK-CP-JSON-DAG:             "%98": 13
 # CHECK-CP-JSON-DAG:             "%100": 5
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 497416
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 497416
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%109:sreg_32 = V_CMP_GE_U32_e64 %108, %4, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3848
 # CHECK-CP-JSON-DAG:             "%4": 0
 # CHECK-CP-JSON-DAG:             "%11": 25
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3869
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3870
 # CHECK-CP-JSON-DAG:             "%15": 23
 # CHECK-CP-JSON-DAG:             "%17": 3883
 # CHECK-CP-JSON-DAG:             "%24": 497416
 # CHECK-CP-JSON-DAG:             "%25": 11
 # CHECK-CP-JSON-DAG:             "%26": 27
 # CHECK-CP-JSON-DAG:             "%28": 3861
 # CHECK-CP-JSON-DAG:             "%31": 3858
 # CHECK-CP-JSON-DAG:             "%43": 3856
 # CHECK-CP-JSON-DAG:             "%45": 3845
 # CHECK-CP-JSON-DAG:             "%60": 3846
 # CHECK-CP-JSON-DAG:             "%61": 3846
 # CHECK-CP-JSON-DAG:             "%63": 3849
 # CHECK-CP-JSON-DAG:             "%64": 3851
 # CHECK-CP-JSON-DAG:             "%65": 3855
 # CHECK-CP-JSON-DAG:             "%82": 15
 # CHECK-CP-JSON-DAG:             "%91": 14
 # CHECK-CP-JSON-DAG:             "%96": 5
 # CHECK-CP-JSON-DAG:             "%97": 8
 # CHECK-CP-JSON-DAG:             "%98": 12
 # CHECK-CP-JSON-DAG:             "%100": 4
 # CHECK-CP-JSON-DAG:             "%108": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 497416
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 497416
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%110:sreg_32 = S_XOR_B32 $exec_lo, -1, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3848
 # CHECK-CP-JSON-DAG:             "%4": 29
 # CHECK-CP-JSON-DAG:             "%11": 24
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3869
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3870
 # CHECK-CP-JSON-DAG:             "%15": 22
 # CHECK-CP-JSON-DAG:             "%17": 3883
 # CHECK-CP-JSON-DAG:             "%24": 497416
 # CHECK-CP-JSON-DAG:             "%25": 10
 # CHECK-CP-JSON-DAG:             "%26": 26
 # CHECK-CP-JSON-DAG:             "%28": 3861
 # CHECK-CP-JSON-DAG:             "%31": 3858
 # CHECK-CP-JSON-DAG:             "%43": 3856
 # CHECK-CP-JSON-DAG:             "%45": 3845
 # CHECK-CP-JSON-DAG:             "%60": 3846
 # CHECK-CP-JSON-DAG:             "%61": 3846
 # CHECK-CP-JSON-DAG:             "%63": 3849
 # CHECK-CP-JSON-DAG:             "%64": 3851
 # CHECK-CP-JSON-DAG:             "%65": 3855
 # CHECK-CP-JSON-DAG:             "%82": 14
 # CHECK-CP-JSON-DAG:             "%91": 13
 # CHECK-CP-JSON-DAG:             "%96": 4
 # CHECK-CP-JSON-DAG:             "%97": 7
 # CHECK-CP-JSON-DAG:             "%98": 11
 # CHECK-CP-JSON-DAG:             "%100": 3
 # CHECK-CP-JSON-DAG:             "%108": 2
 # CHECK-CP-JSON-DAG:             "%109": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 497416
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 497416
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%111:sreg_32 = S_ORN2_B32 %109, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3848
 # CHECK-CP-JSON-DAG:             "%4": 28
 # CHECK-CP-JSON-DAG:             "%11": 23
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3869
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3870
 # CHECK-CP-JSON-DAG:             "%15": 21
 # CHECK-CP-JSON-DAG:             "%17": 3883
 # CHECK-CP-JSON-DAG:             "%24": 497416
 # CHECK-CP-JSON-DAG:             "%25": 9
 # CHECK-CP-JSON-DAG:             "%26": 25
 # CHECK-CP-JSON-DAG:             "%28": 3861
 # CHECK-CP-JSON-DAG:             "%31": 3858
 # CHECK-CP-JSON-DAG:             "%43": 3856
 # CHECK-CP-JSON-DAG:             "%45": 3845
 # CHECK-CP-JSON-DAG:             "%60": 3846
 # CHECK-CP-JSON-DAG:             "%61": 3846
 # CHECK-CP-JSON-DAG:             "%63": 3849
 # CHECK-CP-JSON-DAG:             "%64": 3851
 # CHECK-CP-JSON-DAG:             "%65": 3855
 # CHECK-CP-JSON-DAG:             "%82": 13
 # CHECK-CP-JSON-DAG:             "%91": 12
 # CHECK-CP-JSON-DAG:             "%96": 3
 # CHECK-CP-JSON-DAG:             "%97": 6
 # CHECK-CP-JSON-DAG:             "%98": 10
 # CHECK-CP-JSON-DAG:             "%100": 2
 # CHECK-CP-JSON-DAG:             "%108": 1
 # CHECK-CP-JSON-DAG:             "%109": 0
 # CHECK-CP-JSON-DAG:             "%110": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 497416
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 497416
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.17",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3848
 # CHECK-CP-JSON-DAG:             "%4": 27
 # CHECK-CP-JSON-DAG:             "%11": 22
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3869
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3870
 # CHECK-CP-JSON-DAG:             "%15": 20
 # CHECK-CP-JSON-DAG:             "%17": 3883
 # CHECK-CP-JSON-DAG:             "%24": 497416
 # CHECK-CP-JSON-DAG:             "%25": 8
 # CHECK-CP-JSON-DAG:             "%26": 24
 # CHECK-CP-JSON-DAG:             "%28": 3861
 # CHECK-CP-JSON-DAG:             "%31": 3858
 # CHECK-CP-JSON-DAG:             "%43": 3856
 # CHECK-CP-JSON-DAG:             "%45": 3845
 # CHECK-CP-JSON-DAG:             "%60": 3846
 # CHECK-CP-JSON-DAG:             "%61": 3846
 # CHECK-CP-JSON-DAG:             "%63": 3849
 # CHECK-CP-JSON-DAG:             "%64": 3851
 # CHECK-CP-JSON-DAG:             "%65": 3855
 # CHECK-CP-JSON-DAG:             "%82": 12
 # CHECK-CP-JSON-DAG:             "%91": 11
 # CHECK-CP-JSON-DAG:             "%96": 2
 # CHECK-CP-JSON-DAG:             "%97": 5
 # CHECK-CP-JSON-DAG:             "%98": 9
 # CHECK-CP-JSON-DAG:             "%100": 1
 # CHECK-CP-JSON-DAG:             "%108": 0
 # CHECK-CP-JSON-DAG:             "%110": 0
 # CHECK-CP-JSON-DAG:             "%111": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 497416
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 497416
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.8": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%112:sreg_32 = S_ADD_I32 %45, 1, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3
 # CHECK-CP-JSON-DAG:             "%4": 48
 # CHECK-CP-JSON-DAG:             "%11": 2
 # CHECK-CP-JSON-DAG:             "%12:sub0": 31
 # CHECK-CP-JSON-DAG:             "%12:sub1": 32
 # CHECK-CP-JSON-DAG:             "%15": 48
 # CHECK-CP-JSON-DAG:             "%17": 45
 # CHECK-CP-JSON-DAG:             "%24": 219784
 # CHECK-CP-JSON-DAG:             "%25": 48
 # CHECK-CP-JSON-DAG:             "%26": 48
 # CHECK-CP-JSON-DAG:             "%28": 23
 # CHECK-CP-JSON-DAG:             "%31": 20
 # CHECK-CP-JSON-DAG:             "%43": 18
 # CHECK-CP-JSON-DAG:             "%45": 0
 # CHECK-CP-JSON-DAG:             "%60": 1
 # CHECK-CP-JSON-DAG:             "%61": 8
 # CHECK-CP-JSON-DAG:             "%63": 11
 # CHECK-CP-JSON-DAG:             "%64": 13
 # CHECK-CP-JSON-DAG:             "%65": 17
 # CHECK-CP-JSON-DAG:             "%74": 16
 # CHECK-CP-JSON-DAG:             "%134": 7
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%113:vgpr_32 = V_ADD_U32_e64 %112, %60, 0, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 2
 # CHECK-CP-JSON-DAG:             "%4": 47
 # CHECK-CP-JSON-DAG:             "%11": 1
 # CHECK-CP-JSON-DAG:             "%12:sub0": 30
 # CHECK-CP-JSON-DAG:             "%12:sub1": 31
 # CHECK-CP-JSON-DAG:             "%15": 47
 # CHECK-CP-JSON-DAG:             "%17": 44
 # CHECK-CP-JSON-DAG:             "%24": 219784
 # CHECK-CP-JSON-DAG:             "%25": 47
 # CHECK-CP-JSON-DAG:             "%26": 47
 # CHECK-CP-JSON-DAG:             "%28": 22
 # CHECK-CP-JSON-DAG:             "%31": 19
 # CHECK-CP-JSON-DAG:             "%43": 17
 # CHECK-CP-JSON-DAG:             "%45": 18
 # CHECK-CP-JSON-DAG:             "%60": 0
 # CHECK-CP-JSON-DAG:             "%61": 7
 # CHECK-CP-JSON-DAG:             "%63": 10
 # CHECK-CP-JSON-DAG:             "%64": 12
 # CHECK-CP-JSON-DAG:             "%65": 16
 # CHECK-CP-JSON-DAG:             "%74": 15
 # CHECK-CP-JSON-DAG:             "%112": 0
 # CHECK-CP-JSON-DAG:             "%134": 6
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "GLOBAL_STORE_DWORD %11, %113, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 1
 # CHECK-CP-JSON-DAG:             "%4": 46
 # CHECK-CP-JSON-DAG:             "%11": 0
 # CHECK-CP-JSON-DAG:             "%12:sub0": 29
 # CHECK-CP-JSON-DAG:             "%12:sub1": 30
 # CHECK-CP-JSON-DAG:             "%15": 46
 # CHECK-CP-JSON-DAG:             "%17": 43
 # CHECK-CP-JSON-DAG:             "%24": 219784
 # CHECK-CP-JSON-DAG:             "%25": 46
 # CHECK-CP-JSON-DAG:             "%26": 46
 # CHECK-CP-JSON-DAG:             "%28": 21
 # CHECK-CP-JSON-DAG:             "%31": 18
 # CHECK-CP-JSON-DAG:             "%43": 16
 # CHECK-CP-JSON-DAG:             "%45": 17
 # CHECK-CP-JSON-DAG:             "%60": 219783
 # CHECK-CP-JSON-DAG:             "%61": 6
 # CHECK-CP-JSON-DAG:             "%63": 9
 # CHECK-CP-JSON-DAG:             "%64": 11
 # CHECK-CP-JSON-DAG:             "%65": 15
 # CHECK-CP-JSON-DAG:             "%74": 14
 # CHECK-CP-JSON-DAG:             "%112": 1
 # CHECK-CP-JSON-DAG:             "%113": 0
 # CHECK-CP-JSON-DAG:             "%134": 5
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%114:sreg_32 = V_CMP_GE_U32_e64 %112, %3, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 0
 # CHECK-CP-JSON-DAG:             "%4": 45
 # CHECK-CP-JSON-DAG:             "%11": 45
 # CHECK-CP-JSON-DAG:             "%12:sub0": 28
 # CHECK-CP-JSON-DAG:             "%12:sub1": 29
 # CHECK-CP-JSON-DAG:             "%15": 45
 # CHECK-CP-JSON-DAG:             "%17": 42
 # CHECK-CP-JSON-DAG:             "%24": 219784
 # CHECK-CP-JSON-DAG:             "%25": 45
 # CHECK-CP-JSON-DAG:             "%26": 45
 # CHECK-CP-JSON-DAG:             "%28": 20
 # CHECK-CP-JSON-DAG:             "%31": 17
 # CHECK-CP-JSON-DAG:             "%43": 15
 # CHECK-CP-JSON-DAG:             "%45": 16
 # CHECK-CP-JSON-DAG:             "%60": 219783
 # CHECK-CP-JSON-DAG:             "%61": 5
 # CHECK-CP-JSON-DAG:             "%63": 8
 # CHECK-CP-JSON-DAG:             "%64": 10
 # CHECK-CP-JSON-DAG:             "%65": 14
 # CHECK-CP-JSON-DAG:             "%74": 13
 # CHECK-CP-JSON-DAG:             "%112": 0
 # CHECK-CP-JSON-DAG:             "%113": 3
 # CHECK-CP-JSON-DAG:             "%134": 4
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%115:sreg_32 = S_XOR_B32 $exec_lo, -1, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 65
 # CHECK-CP-JSON-DAG:             "%4": 44
 # CHECK-CP-JSON-DAG:             "%11": 44
 # CHECK-CP-JSON-DAG:             "%12:sub0": 27
 # CHECK-CP-JSON-DAG:             "%12:sub1": 28
 # CHECK-CP-JSON-DAG:             "%15": 44
 # CHECK-CP-JSON-DAG:             "%17": 41
 # CHECK-CP-JSON-DAG:             "%24": 219784
 # CHECK-CP-JSON-DAG:             "%25": 44
 # CHECK-CP-JSON-DAG:             "%26": 44
 # CHECK-CP-JSON-DAG:             "%28": 19
 # CHECK-CP-JSON-DAG:             "%31": 16
 # CHECK-CP-JSON-DAG:             "%43": 14
 # CHECK-CP-JSON-DAG:             "%45": 15
 # CHECK-CP-JSON-DAG:             "%60": 219783
 # CHECK-CP-JSON-DAG:             "%61": 4
 # CHECK-CP-JSON-DAG:             "%63": 7
 # CHECK-CP-JSON-DAG:             "%64": 9
 # CHECK-CP-JSON-DAG:             "%65": 13
 # CHECK-CP-JSON-DAG:             "%74": 12
 # CHECK-CP-JSON-DAG:             "%112": 2
 # CHECK-CP-JSON-DAG:             "%113": 2
 # CHECK-CP-JSON-DAG:             "%114": 1
 # CHECK-CP-JSON-DAG:             "%134": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%116:sreg_32 = S_ORN2_B32 %114, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 64
 # CHECK-CP-JSON-DAG:             "%4": 43
 # CHECK-CP-JSON-DAG:             "%11": 43
 # CHECK-CP-JSON-DAG:             "%12:sub0": 26
 # CHECK-CP-JSON-DAG:             "%12:sub1": 27
 # CHECK-CP-JSON-DAG:             "%15": 43
 # CHECK-CP-JSON-DAG:             "%17": 40
 # CHECK-CP-JSON-DAG:             "%24": 219784
 # CHECK-CP-JSON-DAG:             "%25": 43
 # CHECK-CP-JSON-DAG:             "%26": 43
 # CHECK-CP-JSON-DAG:             "%28": 18
 # CHECK-CP-JSON-DAG:             "%31": 15
 # CHECK-CP-JSON-DAG:             "%43": 13
 # CHECK-CP-JSON-DAG:             "%45": 14
 # CHECK-CP-JSON-DAG:             "%60": 219783
 # CHECK-CP-JSON-DAG:             "%61": 3
 # CHECK-CP-JSON-DAG:             "%63": 6
 # CHECK-CP-JSON-DAG:             "%64": 8
 # CHECK-CP-JSON-DAG:             "%65": 12
 # CHECK-CP-JSON-DAG:             "%74": 11
 # CHECK-CP-JSON-DAG:             "%112": 1
 # CHECK-CP-JSON-DAG:             "%113": 1
 # CHECK-CP-JSON-DAG:             "%114": 0
 # CHECK-CP-JSON-DAG:             "%115": 1
 # CHECK-CP-JSON-DAG:             "%134": 2
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.14",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 63
 # CHECK-CP-JSON-DAG:             "%4": 42
 # CHECK-CP-JSON-DAG:             "%11": 42
 # CHECK-CP-JSON-DAG:             "%12:sub0": 25
 # CHECK-CP-JSON-DAG:             "%12:sub1": 26
 # CHECK-CP-JSON-DAG:             "%15": 42
 # CHECK-CP-JSON-DAG:             "%17": 39
 # CHECK-CP-JSON-DAG:             "%24": 219784
 # CHECK-CP-JSON-DAG:             "%25": 42
 # CHECK-CP-JSON-DAG:             "%26": 42
 # CHECK-CP-JSON-DAG:             "%28": 17
 # CHECK-CP-JSON-DAG:             "%31": 14
 # CHECK-CP-JSON-DAG:             "%43": 12
 # CHECK-CP-JSON-DAG:             "%45": 13
 # CHECK-CP-JSON-DAG:             "%60": 219783
 # CHECK-CP-JSON-DAG:             "%61": 2
 # CHECK-CP-JSON-DAG:             "%63": 5
 # CHECK-CP-JSON-DAG:             "%64": 7
 # CHECK-CP-JSON-DAG:             "%65": 11
 # CHECK-CP-JSON-DAG:             "%74": 10
 # CHECK-CP-JSON-DAG:             "%112": 0
 # CHECK-CP-JSON-DAG:             "%113": 0
 # CHECK-CP-JSON-DAG:             "%115": 0
 # CHECK-CP-JSON-DAG:             "%116": 0
 # CHECK-CP-JSON-DAG:             "%134": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 219784
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.9": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%117:vgpr_32 = PHI undef %118:vgpr_32, %bb.15, %119, %bb.12",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%24": 3
 # CHECK-CP-JSON-DAG:             "%60": 2
 # CHECK-CP-JSON-DAG:             "%77": 2
 # CHECK-CP-JSON-DAG:             "%123": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%120:vreg_64 = PHI %11, %bb.15, undef %121:vreg_64, %bb.12",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%24": 3
 # CHECK-CP-JSON-DAG:             "%60": 2
 # CHECK-CP-JSON-DAG:             "%77": 2
 # CHECK-CP-JSON-DAG:             "%117": 1
 # CHECK-CP-JSON-DAG:             "%123": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%122:sreg_32 = SI_ELSE %123, %bb.13, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%24": 3
 # CHECK-CP-JSON-DAG:             "%60": 2
 # CHECK-CP-JSON-DAG:             "%77": 2
 # CHECK-CP-JSON-DAG:             "%117": 1
 # CHECK-CP-JSON-DAG:             "%120": 3
 # CHECK-CP-JSON-DAG:             "%123": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.10",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%24": 2
 # CHECK-CP-JSON-DAG:             "%60": 1
 # CHECK-CP-JSON-DAG:             "%77": 1
 # CHECK-CP-JSON-DAG:             "%117": 0
 # CHECK-CP-JSON-DAG:             "%120": 2
 # CHECK-CP-JSON-DAG:             "%122": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 2
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 2
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.10": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%124:vgpr_32 = V_MUL_LO_U32_e64 %60, %77, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%24": 4
 # CHECK-CP-JSON-DAG:             "%60": 0
 # CHECK-CP-JSON-DAG:             "%77": 0
 # CHECK-CP-JSON-DAG:             "%120": 1
 # CHECK-CP-JSON-DAG:             "%122": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 4
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 4
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "GLOBAL_STORE_DWORD %120, %124, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%24": 3
 # CHECK-CP-JSON-DAG:             "%120": 0
 # CHECK-CP-JSON-DAG:             "%122": 2
 # CHECK-CP-JSON-DAG:             "%124": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 3
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.13",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%24": 2
 # CHECK-CP-JSON-DAG:             "%122": 1
 # CHECK-CP-JSON-DAG:             "%124": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 2
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 2
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.11": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "GLOBAL_STORE_DWORD %11, %72, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%11": 0
 # CHECK-CP-JSON-DAG:             "%24": 6
 # CHECK-CP-JSON-DAG:             "%60": 5
 # CHECK-CP-JSON-DAG:             "%72": 0
 # CHECK-CP-JSON-DAG:             "%77": 5
 # CHECK-CP-JSON-DAG:             "%123": 3
 # CHECK-CP-JSON-DAG:             "%125": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 6
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 6
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.12": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%119:vgpr_32 = PHI %75, %bb.16, %72, %bb.11",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%24": 5
 # CHECK-CP-JSON-DAG:             "%60": 4
 # CHECK-CP-JSON-DAG:             "%77": 4
 # CHECK-CP-JSON-DAG:             "%123": 2
 # CHECK-CP-JSON-DAG:             "%125": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 5
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 5
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %125, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%24": 5
 # CHECK-CP-JSON-DAG:             "%60": 4
 # CHECK-CP-JSON-DAG:             "%77": 4
 # CHECK-CP-JSON-DAG:             "%119": 1
 # CHECK-CP-JSON-DAG:             "%123": 2
 # CHECK-CP-JSON-DAG:             "%125": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 5
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 5
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.9",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%24": 4
 # CHECK-CP-JSON-DAG:             "%60": 3
 # CHECK-CP-JSON-DAG:             "%77": 3
 # CHECK-CP-JSON-DAG:             "%119": 0
 # CHECK-CP-JSON-DAG:             "%123": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 4
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 4
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.13": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%126:vgpr_32 = PHI %117, %bb.9, %124, %bb.10",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%24": 1
 # CHECK-CP-JSON-DAG:             "%122": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 1
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %122, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%24": 1
 # CHECK-CP-JSON-DAG:             "%122": 0
 # CHECK-CP-JSON-DAG:             "%126": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 1
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%127:vgpr_32 = V_ADD3_U32_e64 %24, %126, 100, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%24": 0
 # CHECK-CP-JSON-DAG:             "%126": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 0
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%128:sreg_32_xm0 = V_READFIRSTLANE_B32 %127, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%127": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%127",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%127",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 0
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "$sgpr0 = COPY %128",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%128": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%128",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%128",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 0
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "SI_RETURN_TO_EPILOG killed $sgpr0",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {},
 # CHECK-CP-JSON-NEXT:          "furthest": {},
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {}
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.14": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%129:sreg_32 = PHI %130, %bb.18, %116, %bb.8",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 62
 # CHECK-CP-JSON-DAG:             "%4": 41
 # CHECK-CP-JSON-DAG:             "%11": 41
 # CHECK-CP-JSON-DAG:             "%12:sub0": 24
 # CHECK-CP-JSON-DAG:             "%12:sub1": 25
 # CHECK-CP-JSON-DAG:             "%15": 41
 # CHECK-CP-JSON-DAG:             "%17": 38
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 41
 # CHECK-CP-JSON-DAG:             "%26": 41
 # CHECK-CP-JSON-DAG:             "%28": 16
 # CHECK-CP-JSON-DAG:             "%31": 13
 # CHECK-CP-JSON-DAG:             "%43": 11
 # CHECK-CP-JSON-DAG:             "%45": 12
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%61": 1
 # CHECK-CP-JSON-DAG:             "%63": 4
 # CHECK-CP-JSON-DAG:             "%64": 6
 # CHECK-CP-JSON-DAG:             "%65": 10
 # CHECK-CP-JSON-DAG:             "%74": 9
 # CHECK-CP-JSON-DAG:             "%134": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%131:sreg_32 = PHI %130, %bb.18, %115, %bb.8",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 62
 # CHECK-CP-JSON-DAG:             "%4": 41
 # CHECK-CP-JSON-DAG:             "%11": 41
 # CHECK-CP-JSON-DAG:             "%12:sub0": 24
 # CHECK-CP-JSON-DAG:             "%12:sub1": 25
 # CHECK-CP-JSON-DAG:             "%15": 41
 # CHECK-CP-JSON-DAG:             "%17": 38
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 41
 # CHECK-CP-JSON-DAG:             "%26": 41
 # CHECK-CP-JSON-DAG:             "%28": 16
 # CHECK-CP-JSON-DAG:             "%31": 13
 # CHECK-CP-JSON-DAG:             "%43": 11
 # CHECK-CP-JSON-DAG:             "%45": 12
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%61": 1
 # CHECK-CP-JSON-DAG:             "%63": 4
 # CHECK-CP-JSON-DAG:             "%64": 6
 # CHECK-CP-JSON-DAG:             "%65": 10
 # CHECK-CP-JSON-DAG:             "%74": 9
 # CHECK-CP-JSON-DAG:             "%129": 7
 # CHECK-CP-JSON-DAG:             "%134": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%71:sreg_32 = PHI undef %132:sreg_32, %bb.18, %112, %bb.8",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 62
 # CHECK-CP-JSON-DAG:             "%4": 41
 # CHECK-CP-JSON-DAG:             "%11": 41
 # CHECK-CP-JSON-DAG:             "%12:sub0": 24
 # CHECK-CP-JSON-DAG:             "%12:sub1": 25
 # CHECK-CP-JSON-DAG:             "%15": 41
 # CHECK-CP-JSON-DAG:             "%17": 38
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 41
 # CHECK-CP-JSON-DAG:             "%26": 41
 # CHECK-CP-JSON-DAG:             "%28": 16
 # CHECK-CP-JSON-DAG:             "%31": 13
 # CHECK-CP-JSON-DAG:             "%43": 11
 # CHECK-CP-JSON-DAG:             "%45": 12
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%61": 1
 # CHECK-CP-JSON-DAG:             "%63": 4
 # CHECK-CP-JSON-DAG:             "%64": 6
 # CHECK-CP-JSON-DAG:             "%65": 10
 # CHECK-CP-JSON-DAG:             "%74": 9
 # CHECK-CP-JSON-DAG:             "%129": 7
 # CHECK-CP-JSON-DAG:             "%131": 2
 # CHECK-CP-JSON-DAG:             "%134": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%76:vgpr_32 = PHI undef %133:vgpr_32, %bb.18, %113, %bb.8",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 62
 # CHECK-CP-JSON-DAG:             "%4": 41
 # CHECK-CP-JSON-DAG:             "%11": 41
 # CHECK-CP-JSON-DAG:             "%12:sub0": 24
 # CHECK-CP-JSON-DAG:             "%12:sub1": 25
 # CHECK-CP-JSON-DAG:             "%15": 41
 # CHECK-CP-JSON-DAG:             "%17": 38
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 41
 # CHECK-CP-JSON-DAG:             "%26": 41
 # CHECK-CP-JSON-DAG:             "%28": 16
 # CHECK-CP-JSON-DAG:             "%31": 13
 # CHECK-CP-JSON-DAG:             "%43": 11
 # CHECK-CP-JSON-DAG:             "%45": 12
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%61": 1
 # CHECK-CP-JSON-DAG:             "%63": 4
 # CHECK-CP-JSON-DAG:             "%64": 6
 # CHECK-CP-JSON-DAG:             "%65": 10
 # CHECK-CP-JSON-DAG:             "%71": 9
 # CHECK-CP-JSON-DAG:             "%74": 9
 # CHECK-CP-JSON-DAG:             "%129": 7
 # CHECK-CP-JSON-DAG:             "%131": 2
 # CHECK-CP-JSON-DAG:             "%134": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %134, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 62
 # CHECK-CP-JSON-DAG:             "%4": 41
 # CHECK-CP-JSON-DAG:             "%11": 41
 # CHECK-CP-JSON-DAG:             "%12:sub0": 24
 # CHECK-CP-JSON-DAG:             "%12:sub1": 25
 # CHECK-CP-JSON-DAG:             "%15": 41
 # CHECK-CP-JSON-DAG:             "%17": 38
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 41
 # CHECK-CP-JSON-DAG:             "%26": 41
 # CHECK-CP-JSON-DAG:             "%28": 16
 # CHECK-CP-JSON-DAG:             "%31": 13
 # CHECK-CP-JSON-DAG:             "%43": 11
 # CHECK-CP-JSON-DAG:             "%45": 12
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%61": 1
 # CHECK-CP-JSON-DAG:             "%63": 4
 # CHECK-CP-JSON-DAG:             "%64": 6
 # CHECK-CP-JSON-DAG:             "%65": 10
 # CHECK-CP-JSON-DAG:             "%71": 9
 # CHECK-CP-JSON-DAG:             "%74": 9
 # CHECK-CP-JSON-DAG:             "%76": 9
 # CHECK-CP-JSON-DAG:             "%129": 7
 # CHECK-CP-JSON-DAG:             "%131": 2
 # CHECK-CP-JSON-DAG:             "%134": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%135:sreg_32 = S_ANDN2_B32 %61, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 61
 # CHECK-CP-JSON-DAG:             "%4": 40
 # CHECK-CP-JSON-DAG:             "%11": 40
 # CHECK-CP-JSON-DAG:             "%12:sub0": 23
 # CHECK-CP-JSON-DAG:             "%12:sub1": 24
 # CHECK-CP-JSON-DAG:             "%15": 40
 # CHECK-CP-JSON-DAG:             "%17": 37
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 40
 # CHECK-CP-JSON-DAG:             "%26": 40
 # CHECK-CP-JSON-DAG:             "%28": 15
 # CHECK-CP-JSON-DAG:             "%31": 12
 # CHECK-CP-JSON-DAG:             "%43": 10
 # CHECK-CP-JSON-DAG:             "%45": 11
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%61": 0
 # CHECK-CP-JSON-DAG:             "%63": 3
 # CHECK-CP-JSON-DAG:             "%64": 5
 # CHECK-CP-JSON-DAG:             "%65": 9
 # CHECK-CP-JSON-DAG:             "%71": 8
 # CHECK-CP-JSON-DAG:             "%74": 8
 # CHECK-CP-JSON-DAG:             "%76": 8
 # CHECK-CP-JSON-DAG:             "%129": 6
 # CHECK-CP-JSON-DAG:             "%131": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%136:sreg_32 = S_AND_B32 %131, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 60
 # CHECK-CP-JSON-DAG:             "%4": 39
 # CHECK-CP-JSON-DAG:             "%11": 39
 # CHECK-CP-JSON-DAG:             "%12:sub0": 22
 # CHECK-CP-JSON-DAG:             "%12:sub1": 23
 # CHECK-CP-JSON-DAG:             "%15": 39
 # CHECK-CP-JSON-DAG:             "%17": 36
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 39
 # CHECK-CP-JSON-DAG:             "%26": 39
 # CHECK-CP-JSON-DAG:             "%28": 14
 # CHECK-CP-JSON-DAG:             "%31": 11
 # CHECK-CP-JSON-DAG:             "%43": 9
 # CHECK-CP-JSON-DAG:             "%45": 10
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%63": 2
 # CHECK-CP-JSON-DAG:             "%64": 4
 # CHECK-CP-JSON-DAG:             "%65": 8
 # CHECK-CP-JSON-DAG:             "%71": 7
 # CHECK-CP-JSON-DAG:             "%74": 7
 # CHECK-CP-JSON-DAG:             "%76": 7
 # CHECK-CP-JSON-DAG:             "%129": 5
 # CHECK-CP-JSON-DAG:             "%131": 0
 # CHECK-CP-JSON-DAG:             "%135": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%69:sreg_32 = S_OR_B32 %135, %136, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 59
 # CHECK-CP-JSON-DAG:             "%4": 38
 # CHECK-CP-JSON-DAG:             "%11": 38
 # CHECK-CP-JSON-DAG:             "%12:sub0": 21
 # CHECK-CP-JSON-DAG:             "%12:sub1": 22
 # CHECK-CP-JSON-DAG:             "%15": 38
 # CHECK-CP-JSON-DAG:             "%17": 35
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 38
 # CHECK-CP-JSON-DAG:             "%26": 38
 # CHECK-CP-JSON-DAG:             "%28": 13
 # CHECK-CP-JSON-DAG:             "%31": 10
 # CHECK-CP-JSON-DAG:             "%43": 8
 # CHECK-CP-JSON-DAG:             "%45": 9
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%63": 1
 # CHECK-CP-JSON-DAG:             "%64": 3
 # CHECK-CP-JSON-DAG:             "%65": 7
 # CHECK-CP-JSON-DAG:             "%71": 6
 # CHECK-CP-JSON-DAG:             "%74": 6
 # CHECK-CP-JSON-DAG:             "%76": 6
 # CHECK-CP-JSON-DAG:             "%129": 4
 # CHECK-CP-JSON-DAG:             "%135": 0
 # CHECK-CP-JSON-DAG:             "%136": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%137:sreg_32 = S_ANDN2_B32 %63, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 58
 # CHECK-CP-JSON-DAG:             "%4": 37
 # CHECK-CP-JSON-DAG:             "%11": 37
 # CHECK-CP-JSON-DAG:             "%12:sub0": 20
 # CHECK-CP-JSON-DAG:             "%12:sub1": 21
 # CHECK-CP-JSON-DAG:             "%15": 37
 # CHECK-CP-JSON-DAG:             "%17": 34
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 37
 # CHECK-CP-JSON-DAG:             "%26": 37
 # CHECK-CP-JSON-DAG:             "%28": 12
 # CHECK-CP-JSON-DAG:             "%31": 9
 # CHECK-CP-JSON-DAG:             "%43": 7
 # CHECK-CP-JSON-DAG:             "%45": 8
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%63": 0
 # CHECK-CP-JSON-DAG:             "%64": 2
 # CHECK-CP-JSON-DAG:             "%65": 6
 # CHECK-CP-JSON-DAG:             "%69": 5
 # CHECK-CP-JSON-DAG:             "%71": 5
 # CHECK-CP-JSON-DAG:             "%74": 5
 # CHECK-CP-JSON-DAG:             "%76": 5
 # CHECK-CP-JSON-DAG:             "%129": 3
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%68:sreg_32 = COPY %137",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 57
 # CHECK-CP-JSON-DAG:             "%4": 36
 # CHECK-CP-JSON-DAG:             "%11": 36
 # CHECK-CP-JSON-DAG:             "%12:sub0": 19
 # CHECK-CP-JSON-DAG:             "%12:sub1": 20
 # CHECK-CP-JSON-DAG:             "%15": 36
 # CHECK-CP-JSON-DAG:             "%17": 33
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 36
 # CHECK-CP-JSON-DAG:             "%26": 36
 # CHECK-CP-JSON-DAG:             "%28": 11
 # CHECK-CP-JSON-DAG:             "%31": 8
 # CHECK-CP-JSON-DAG:             "%43": 6
 # CHECK-CP-JSON-DAG:             "%45": 7
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%64": 1
 # CHECK-CP-JSON-DAG:             "%65": 5
 # CHECK-CP-JSON-DAG:             "%69": 4
 # CHECK-CP-JSON-DAG:             "%71": 4
 # CHECK-CP-JSON-DAG:             "%74": 4
 # CHECK-CP-JSON-DAG:             "%76": 4
 # CHECK-CP-JSON-DAG:             "%129": 2
 # CHECK-CP-JSON-DAG:             "%137": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%138:sreg_32 = S_ANDN2_B32 %64, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 56
 # CHECK-CP-JSON-DAG:             "%4": 35
 # CHECK-CP-JSON-DAG:             "%11": 35
 # CHECK-CP-JSON-DAG:             "%12:sub0": 18
 # CHECK-CP-JSON-DAG:             "%12:sub1": 19
 # CHECK-CP-JSON-DAG:             "%15": 35
 # CHECK-CP-JSON-DAG:             "%17": 32
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 35
 # CHECK-CP-JSON-DAG:             "%26": 35
 # CHECK-CP-JSON-DAG:             "%28": 10
 # CHECK-CP-JSON-DAG:             "%31": 7
 # CHECK-CP-JSON-DAG:             "%43": 5
 # CHECK-CP-JSON-DAG:             "%45": 6
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%64": 0
 # CHECK-CP-JSON-DAG:             "%65": 4
 # CHECK-CP-JSON-DAG:             "%68": 3
 # CHECK-CP-JSON-DAG:             "%69": 3
 # CHECK-CP-JSON-DAG:             "%71": 3
 # CHECK-CP-JSON-DAG:             "%74": 3
 # CHECK-CP-JSON-DAG:             "%76": 3
 # CHECK-CP-JSON-DAG:             "%129": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%139:sreg_32 = S_AND_B32 %129, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 55
 # CHECK-CP-JSON-DAG:             "%4": 34
 # CHECK-CP-JSON-DAG:             "%11": 34
 # CHECK-CP-JSON-DAG:             "%12:sub0": 17
 # CHECK-CP-JSON-DAG:             "%12:sub1": 18
 # CHECK-CP-JSON-DAG:             "%15": 34
 # CHECK-CP-JSON-DAG:             "%17": 31
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 34
 # CHECK-CP-JSON-DAG:             "%26": 34
 # CHECK-CP-JSON-DAG:             "%28": 9
 # CHECK-CP-JSON-DAG:             "%31": 6
 # CHECK-CP-JSON-DAG:             "%43": 4
 # CHECK-CP-JSON-DAG:             "%45": 5
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%65": 3
 # CHECK-CP-JSON-DAG:             "%68": 2
 # CHECK-CP-JSON-DAG:             "%69": 2
 # CHECK-CP-JSON-DAG:             "%71": 2
 # CHECK-CP-JSON-DAG:             "%74": 2
 # CHECK-CP-JSON-DAG:             "%76": 2
 # CHECK-CP-JSON-DAG:             "%129": 0
 # CHECK-CP-JSON-DAG:             "%138": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%67:sreg_32 = S_OR_B32 %138, %139, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 54
 # CHECK-CP-JSON-DAG:             "%4": 33
 # CHECK-CP-JSON-DAG:             "%11": 33
 # CHECK-CP-JSON-DAG:             "%12:sub0": 16
 # CHECK-CP-JSON-DAG:             "%12:sub1": 17
 # CHECK-CP-JSON-DAG:             "%15": 33
 # CHECK-CP-JSON-DAG:             "%17": 30
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 33
 # CHECK-CP-JSON-DAG:             "%26": 33
 # CHECK-CP-JSON-DAG:             "%28": 8
 # CHECK-CP-JSON-DAG:             "%31": 5
 # CHECK-CP-JSON-DAG:             "%43": 3
 # CHECK-CP-JSON-DAG:             "%45": 4
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%65": 2
 # CHECK-CP-JSON-DAG:             "%68": 1
 # CHECK-CP-JSON-DAG:             "%69": 1
 # CHECK-CP-JSON-DAG:             "%71": 1
 # CHECK-CP-JSON-DAG:             "%74": 1
 # CHECK-CP-JSON-DAG:             "%76": 1
 # CHECK-CP-JSON-DAG:             "%138": 0
 # CHECK-CP-JSON-DAG:             "%139": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.3",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 53
 # CHECK-CP-JSON-DAG:             "%4": 32
 # CHECK-CP-JSON-DAG:             "%11": 32
 # CHECK-CP-JSON-DAG:             "%12:sub0": 15
 # CHECK-CP-JSON-DAG:             "%12:sub1": 16
 # CHECK-CP-JSON-DAG:             "%15": 32
 # CHECK-CP-JSON-DAG:             "%17": 29
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 32
 # CHECK-CP-JSON-DAG:             "%26": 32
 # CHECK-CP-JSON-DAG:             "%28": 7
 # CHECK-CP-JSON-DAG:             "%31": 4
 # CHECK-CP-JSON-DAG:             "%43": 2
 # CHECK-CP-JSON-DAG:             "%45": 3
 # CHECK-CP-JSON-DAG:             "%60": 218887
 # CHECK-CP-JSON-DAG:             "%65": 1
 # CHECK-CP-JSON-DAG:             "%67": 0
 # CHECK-CP-JSON-DAG:             "%68": 0
 # CHECK-CP-JSON-DAG:             "%69": 0
 # CHECK-CP-JSON-DAG:             "%71": 0
 # CHECK-CP-JSON-DAG:             "%74": 0
 # CHECK-CP-JSON-DAG:             "%76": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.15": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %44, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%11": 3
 # CHECK-CP-JSON-DAG:             "%24": 7
 # CHECK-CP-JSON-DAG:             "%30": 1
 # CHECK-CP-JSON-DAG:             "%33": 4
 # CHECK-CP-JSON-DAG:             "%44": 0
 # CHECK-CP-JSON-DAG:             "%60": 6
 # CHECK-CP-JSON-DAG:             "%72": 6
 # CHECK-CP-JSON-DAG:             "%75": 5
 # CHECK-CP-JSON-DAG:             "%77": 6
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 7
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 7
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%140:sreg_32 = S_XOR_B32 %30, -1, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%11": 2
 # CHECK-CP-JSON-DAG:             "%24": 6
 # CHECK-CP-JSON-DAG:             "%30": 0
 # CHECK-CP-JSON-DAG:             "%33": 3
 # CHECK-CP-JSON-DAG:             "%60": 5
 # CHECK-CP-JSON-DAG:             "%72": 5
 # CHECK-CP-JSON-DAG:             "%75": 4
 # CHECK-CP-JSON-DAG:             "%77": 5
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 6
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 6
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%123:sreg_32 = SI_IF %140, %bb.9, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%11": 1
 # CHECK-CP-JSON-DAG:             "%24": 5
 # CHECK-CP-JSON-DAG:             "%33": 2
 # CHECK-CP-JSON-DAG:             "%60": 4
 # CHECK-CP-JSON-DAG:             "%72": 4
 # CHECK-CP-JSON-DAG:             "%75": 3
 # CHECK-CP-JSON-DAG:             "%77": 4
 # CHECK-CP-JSON-DAG:             "%140": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 5
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 5
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.16",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%11": 0
 # CHECK-CP-JSON-DAG:             "%24": 4
 # CHECK-CP-JSON-DAG:             "%33": 1
 # CHECK-CP-JSON-DAG:             "%60": 3
 # CHECK-CP-JSON-DAG:             "%72": 3
 # CHECK-CP-JSON-DAG:             "%75": 2
 # CHECK-CP-JSON-DAG:             "%77": 3
 # CHECK-CP-JSON-DAG:             "%123": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 4
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 4
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.16": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%125:sreg_32 = SI_IF %33, %bb.12, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%11": 2
 # CHECK-CP-JSON-DAG:             "%24": 7
 # CHECK-CP-JSON-DAG:             "%33": 0
 # CHECK-CP-JSON-DAG:             "%60": 6
 # CHECK-CP-JSON-DAG:             "%72": 2
 # CHECK-CP-JSON-DAG:             "%75": 1
 # CHECK-CP-JSON-DAG:             "%77": 6
 # CHECK-CP-JSON-DAG:             "%123": 4
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 7
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 7
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.11",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%11": 1
 # CHECK-CP-JSON-DAG:             "%24": 6
 # CHECK-CP-JSON-DAG:             "%60": 5
 # CHECK-CP-JSON-DAG:             "%72": 1
 # CHECK-CP-JSON-DAG:             "%75": 0
 # CHECK-CP-JSON-DAG:             "%77": 5
 # CHECK-CP-JSON-DAG:             "%123": 3
 # CHECK-CP-JSON-DAG:             "%125": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 6
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 6
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.17": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%141:sreg_32 = PHI %99, %bb.5, %111, %bb.7",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 26
 # CHECK-CP-JSON-DAG:             "%11": 21
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 19
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 7
 # CHECK-CP-JSON-DAG:             "%26": 23
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 11
 # CHECK-CP-JSON-DAG:             "%91": 10
 # CHECK-CP-JSON-DAG:             "%96": 1
 # CHECK-CP-JSON-DAG:             "%97": 4
 # CHECK-CP-JSON-DAG:             "%98": 8
 # CHECK-CP-JSON-DAG:             "%100": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%142:sreg_32 = PHI %99, %bb.5, %110, %bb.7",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 26
 # CHECK-CP-JSON-DAG:             "%11": 21
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 19
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 7
 # CHECK-CP-JSON-DAG:             "%26": 23
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 11
 # CHECK-CP-JSON-DAG:             "%91": 10
 # CHECK-CP-JSON-DAG:             "%96": 1
 # CHECK-CP-JSON-DAG:             "%97": 4
 # CHECK-CP-JSON-DAG:             "%98": 8
 # CHECK-CP-JSON-DAG:             "%100": 0
 # CHECK-CP-JSON-DAG:             "%141": 5
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%104:sreg_32 = PHI undef %143:sreg_32, %bb.5, %108, %bb.7",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 26
 # CHECK-CP-JSON-DAG:             "%11": 21
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 19
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 7
 # CHECK-CP-JSON-DAG:             "%26": 23
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 11
 # CHECK-CP-JSON-DAG:             "%91": 10
 # CHECK-CP-JSON-DAG:             "%96": 1
 # CHECK-CP-JSON-DAG:             "%97": 4
 # CHECK-CP-JSON-DAG:             "%98": 8
 # CHECK-CP-JSON-DAG:             "%100": 0
 # CHECK-CP-JSON-DAG:             "%141": 5
 # CHECK-CP-JSON-DAG:             "%142": 2
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %100, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 26
 # CHECK-CP-JSON-DAG:             "%11": 21
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 19
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 7
 # CHECK-CP-JSON-DAG:             "%26": 23
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 11
 # CHECK-CP-JSON-DAG:             "%91": 10
 # CHECK-CP-JSON-DAG:             "%96": 1
 # CHECK-CP-JSON-DAG:             "%97": 4
 # CHECK-CP-JSON-DAG:             "%98": 8
 # CHECK-CP-JSON-DAG:             "%100": 0
 # CHECK-CP-JSON-DAG:             "%104": 7
 # CHECK-CP-JSON-DAG:             "%141": 5
 # CHECK-CP-JSON-DAG:             "%142": 2
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%144:sreg_32 = S_ANDN2_B32 %96, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 25
 # CHECK-CP-JSON-DAG:             "%11": 20
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 18
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 6
 # CHECK-CP-JSON-DAG:             "%26": 22
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 10
 # CHECK-CP-JSON-DAG:             "%91": 9
 # CHECK-CP-JSON-DAG:             "%96": 0
 # CHECK-CP-JSON-DAG:             "%97": 3
 # CHECK-CP-JSON-DAG:             "%98": 7
 # CHECK-CP-JSON-DAG:             "%104": 6
 # CHECK-CP-JSON-DAG:             "%141": 4
 # CHECK-CP-JSON-DAG:             "%142": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%145:sreg_32 = S_AND_B32 %142, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 24
 # CHECK-CP-JSON-DAG:             "%11": 19
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 17
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 5
 # CHECK-CP-JSON-DAG:             "%26": 21
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 9
 # CHECK-CP-JSON-DAG:             "%91": 8
 # CHECK-CP-JSON-DAG:             "%97": 2
 # CHECK-CP-JSON-DAG:             "%98": 6
 # CHECK-CP-JSON-DAG:             "%104": 5
 # CHECK-CP-JSON-DAG:             "%141": 3
 # CHECK-CP-JSON-DAG:             "%142": 0
 # CHECK-CP-JSON-DAG:             "%144": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%102:sreg_32 = S_OR_B32 %144, %145, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 23
 # CHECK-CP-JSON-DAG:             "%11": 18
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 16
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 4
 # CHECK-CP-JSON-DAG:             "%26": 20
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 8
 # CHECK-CP-JSON-DAG:             "%91": 7
 # CHECK-CP-JSON-DAG:             "%97": 1
 # CHECK-CP-JSON-DAG:             "%98": 5
 # CHECK-CP-JSON-DAG:             "%104": 4
 # CHECK-CP-JSON-DAG:             "%141": 2
 # CHECK-CP-JSON-DAG:             "%144": 0
 # CHECK-CP-JSON-DAG:             "%145": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%146:sreg_32 = S_ANDN2_B32 %97, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 22
 # CHECK-CP-JSON-DAG:             "%11": 17
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 15
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 3
 # CHECK-CP-JSON-DAG:             "%26": 19
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 7
 # CHECK-CP-JSON-DAG:             "%91": 6
 # CHECK-CP-JSON-DAG:             "%97": 0
 # CHECK-CP-JSON-DAG:             "%98": 4
 # CHECK-CP-JSON-DAG:             "%102": 3
 # CHECK-CP-JSON-DAG:             "%104": 3
 # CHECK-CP-JSON-DAG:             "%141": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%147:sreg_32 = S_AND_B32 %141, $exec_lo, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 21
 # CHECK-CP-JSON-DAG:             "%11": 16
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 14
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 2
 # CHECK-CP-JSON-DAG:             "%26": 18
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 6
 # CHECK-CP-JSON-DAG:             "%91": 5
 # CHECK-CP-JSON-DAG:             "%98": 3
 # CHECK-CP-JSON-DAG:             "%102": 2
 # CHECK-CP-JSON-DAG:             "%104": 2
 # CHECK-CP-JSON-DAG:             "%141": 0
 # CHECK-CP-JSON-DAG:             "%146": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%101:sreg_32 = S_OR_B32 %146, %147, implicit-def dead $scc",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 20
 # CHECK-CP-JSON-DAG:             "%11": 15
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 13
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 1
 # CHECK-CP-JSON-DAG:             "%26": 17
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 5
 # CHECK-CP-JSON-DAG:             "%91": 4
 # CHECK-CP-JSON-DAG:             "%98": 2
 # CHECK-CP-JSON-DAG:             "%102": 1
 # CHECK-CP-JSON-DAG:             "%104": 1
 # CHECK-CP-JSON-DAG:             "%146": 0
 # CHECK-CP-JSON-DAG:             "%147": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.6",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 3208
 # CHECK-CP-JSON-DAG:             "%4": 19
 # CHECK-CP-JSON-DAG:             "%11": 14
 # CHECK-CP-JSON-DAG:             "%12:sub0": 3229
 # CHECK-CP-JSON-DAG:             "%12:sub1": 3230
 # CHECK-CP-JSON-DAG:             "%15": 12
 # CHECK-CP-JSON-DAG:             "%17": 3243
 # CHECK-CP-JSON-DAG:             "%24": 415496
 # CHECK-CP-JSON-DAG:             "%25": 0
 # CHECK-CP-JSON-DAG:             "%26": 16
 # CHECK-CP-JSON-DAG:             "%28": 3221
 # CHECK-CP-JSON-DAG:             "%31": 3218
 # CHECK-CP-JSON-DAG:             "%43": 3216
 # CHECK-CP-JSON-DAG:             "%45": 3205
 # CHECK-CP-JSON-DAG:             "%60": 3206
 # CHECK-CP-JSON-DAG:             "%61": 3206
 # CHECK-CP-JSON-DAG:             "%63": 3209
 # CHECK-CP-JSON-DAG:             "%64": 3211
 # CHECK-CP-JSON-DAG:             "%65": 3215
 # CHECK-CP-JSON-DAG:             "%82": 4
 # CHECK-CP-JSON-DAG:             "%91": 3
 # CHECK-CP-JSON-DAG:             "%98": 1
 # CHECK-CP-JSON-DAG:             "%101": 0
 # CHECK-CP-JSON-DAG:             "%102": 0
 # CHECK-CP-JSON-DAG:             "%104": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 415496
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ],
 # CHECK-CP-JSON-NEXT:      "bb.18": [
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %92, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 7
 # CHECK-CP-JSON-DAG:             "%4": 45
 # CHECK-CP-JSON-DAG:             "%11": 6
 # CHECK-CP-JSON-DAG:             "%12:sub0": 28
 # CHECK-CP-JSON-DAG:             "%12:sub1": 29
 # CHECK-CP-JSON-DAG:             "%15": 45
 # CHECK-CP-JSON-DAG:             "%17": 42
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 45
 # CHECK-CP-JSON-DAG:             "%26": 45
 # CHECK-CP-JSON-DAG:             "%28": 20
 # CHECK-CP-JSON-DAG:             "%31": 17
 # CHECK-CP-JSON-DAG:             "%43": 15
 # CHECK-CP-JSON-DAG:             "%45": 4
 # CHECK-CP-JSON-DAG:             "%60": 5
 # CHECK-CP-JSON-DAG:             "%61": 5
 # CHECK-CP-JSON-DAG:             "%63": 8
 # CHECK-CP-JSON-DAG:             "%64": 10
 # CHECK-CP-JSON-DAG:             "%65": 14
 # CHECK-CP-JSON-DAG:             "%74": 13
 # CHECK-CP-JSON-DAG:             "%84": 2
 # CHECK-CP-JSON-DAG:             "%92": 0
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%130:sreg_32 = S_MOV_B32 -1",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 6
 # CHECK-CP-JSON-DAG:             "%4": 44
 # CHECK-CP-JSON-DAG:             "%11": 5
 # CHECK-CP-JSON-DAG:             "%12:sub0": 27
 # CHECK-CP-JSON-DAG:             "%12:sub1": 28
 # CHECK-CP-JSON-DAG:             "%15": 44
 # CHECK-CP-JSON-DAG:             "%17": 41
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 44
 # CHECK-CP-JSON-DAG:             "%26": 44
 # CHECK-CP-JSON-DAG:             "%28": 19
 # CHECK-CP-JSON-DAG:             "%31": 16
 # CHECK-CP-JSON-DAG:             "%43": 14
 # CHECK-CP-JSON-DAG:             "%45": 3
 # CHECK-CP-JSON-DAG:             "%60": 4
 # CHECK-CP-JSON-DAG:             "%61": 4
 # CHECK-CP-JSON-DAG:             "%63": 7
 # CHECK-CP-JSON-DAG:             "%64": 9
 # CHECK-CP-JSON-DAG:             "%65": 13
 # CHECK-CP-JSON-DAG:             "%74": 12
 # CHECK-CP-JSON-DAG:             "%84": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "%134:sreg_32 = SI_IF %84, %bb.14, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 5
 # CHECK-CP-JSON-DAG:             "%4": 43
 # CHECK-CP-JSON-DAG:             "%11": 4
 # CHECK-CP-JSON-DAG:             "%12:sub0": 26
 # CHECK-CP-JSON-DAG:             "%12:sub1": 27
 # CHECK-CP-JSON-DAG:             "%15": 43
 # CHECK-CP-JSON-DAG:             "%17": 40
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 43
 # CHECK-CP-JSON-DAG:             "%26": 43
 # CHECK-CP-JSON-DAG:             "%28": 18
 # CHECK-CP-JSON-DAG:             "%31": 15
 # CHECK-CP-JSON-DAG:             "%43": 13
 # CHECK-CP-JSON-DAG:             "%45": 2
 # CHECK-CP-JSON-DAG:             "%60": 3
 # CHECK-CP-JSON-DAG:             "%61": 3
 # CHECK-CP-JSON-DAG:             "%63": 6
 # CHECK-CP-JSON-DAG:             "%64": 8
 # CHECK-CP-JSON-DAG:             "%65": 12
 # CHECK-CP-JSON-DAG:             "%74": 11
 # CHECK-CP-JSON-DAG:             "%84": 0
 # CHECK-CP-JSON-DAG:             "%130": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        },
 # CHECK-CP-JSON-NEXT:        {
 # CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.8",
 # CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:          "distances": {
 # CHECK-CP-JSON-DAG:             "%3": 4
 # CHECK-CP-JSON-DAG:             "%4": 42
 # CHECK-CP-JSON-DAG:             "%11": 3
 # CHECK-CP-JSON-DAG:             "%12:sub0": 25
 # CHECK-CP-JSON-DAG:             "%12:sub1": 26
 # CHECK-CP-JSON-DAG:             "%15": 42
 # CHECK-CP-JSON-DAG:             "%17": 39
 # CHECK-CP-JSON-DAG:             "%24": 218888
 # CHECK-CP-JSON-DAG:             "%25": 42
 # CHECK-CP-JSON-DAG:             "%26": 42
 # CHECK-CP-JSON-DAG:             "%28": 17
 # CHECK-CP-JSON-DAG:             "%31": 14
 # CHECK-CP-JSON-DAG:             "%43": 12
 # CHECK-CP-JSON-DAG:             "%45": 1
 # CHECK-CP-JSON-DAG:             "%60": 2
 # CHECK-CP-JSON-DAG:             "%61": 2
 # CHECK-CP-JSON-DAG:             "%63": 5
 # CHECK-CP-JSON-DAG:             "%64": 7
 # CHECK-CP-JSON-DAG:             "%65": 11
 # CHECK-CP-JSON-DAG:             "%74": 10
 # CHECK-CP-JSON-DAG:             "%130": 0
 # CHECK-CP-JSON-DAG:             "%134": 1
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               },
 # CHECK-CP-JSON-NEXT:          "furthest-subreg": {
 # CHECK-CP-JSON-DAG:             "register": "%24",
 # CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
 # CHECK-CP-JSON-DAG:             "distance": 218888
 # CHECK-CP-JSON:               }
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:      ]
 # CHECK-CP-JSON-NEXT:    },
 # CHECK-CP-JSON-NEXT:    "distance-from-def-to-closest-use": {
 # CHECK-CP-JSON-DAG:       "%0": 14,
 # CHECK-CP-JSON-DAG:       "%1": 15,
 # CHECK-CP-JSON-DAG:       "%2": 24,
 # CHECK-CP-JSON-DAG:       "%3": 24,
 # CHECK-CP-JSON-DAG:       "%4": 23,
 # CHECK-CP-JSON-DAG:       "%5": 6,
 # CHECK-CP-JSON-DAG:       "%6": 5,
 # CHECK-CP-JSON-DAG:       "%7": 5,
 # CHECK-CP-JSON-DAG:       "%8": 4,
 # CHECK-CP-JSON-DAG:       "%9": 4,
 # CHECK-CP-JSON-DAG:       "%10": 3,
 # CHECK-CP-JSON-DAG:       "%11": 16,
 # CHECK-CP-JSON-DAG:       "%12": 15,
 # CHECK-CP-JSON-DAG:       "%13": 5,
 # CHECK-CP-JSON-DAG:       "%14": 1,
 # CHECK-CP-JSON-DAG:       "%15": 12,
 # CHECK-CP-JSON-DAG:       "%16": 1,
 # CHECK-CP-JSON-DAG:       "%17": 10,
 # CHECK-CP-JSON-DAG:       "%18": 2,
 # CHECK-CP-JSON-DAG:       "%19": 1,
 # CHECK-CP-JSON-DAG:       "%20": 4,
 # CHECK-CP-JSON-DAG:       "%21": 2,
 # CHECK-CP-JSON-DAG:       "%22": 1,
 # CHECK-CP-JSON-DAG:       "%23": 1,
 # CHECK-CP-JSON-DAG:       "%24": 1,
 # CHECK-CP-JSON-DAG:       "%25": 1,
 # CHECK-CP-JSON-DAG:       "%26": 1,
 # CHECK-CP-JSON-DAG:       "%27": 0,
 # CHECK-CP-JSON-DAG:       "%28": 25,
 # CHECK-CP-JSON-DAG:       "%31": 22,
 # CHECK-CP-JSON-DAG:       "%34": 16,
 # CHECK-CP-JSON-DAG:       "%37": 15,
 # CHECK-CP-JSON-DAG:       "%40": 13,
 # CHECK-CP-JSON-DAG:       "%43": 20,
 # CHECK-CP-JSON-DAG:       "%45": 0,
 # CHECK-CP-JSON-DAG:       "%47": 1,
 # CHECK-CP-JSON-DAG:       "%48": 1,
 # CHECK-CP-JSON-DAG:       "%49": 1,
 # CHECK-CP-JSON-DAG:       "%50": 2,
 # CHECK-CP-JSON-DAG:       "%51": 1,
 # CHECK-CP-JSON-DAG:       "%52": 1,
 # CHECK-CP-JSON-DAG:       "%53": 1,
 # CHECK-CP-JSON-DAG:       "%54": 2,
 # CHECK-CP-JSON-DAG:       "%55": 1,
 # CHECK-CP-JSON-DAG:       "%56": 4,
 # CHECK-CP-JSON-DAG:       "%57": 2,
 # CHECK-CP-JSON-DAG:       "%58": 1,
 # CHECK-CP-JSON-DAG:       "%59": 1,
 # CHECK-CP-JSON-DAG:       "%60": 27,
 # CHECK-CP-JSON-DAG:       "%61": 1,
 # CHECK-CP-JSON-DAG:       "%62": 4,
 # CHECK-CP-JSON-DAG:       "%63": 3,
 # CHECK-CP-JSON-DAG:       "%64": 2,
 # CHECK-CP-JSON-DAG:       "%65": 2,
 # CHECK-CP-JSON-DAG:       "%66": 1,
 # CHECK-CP-JSON-DAG:       "%36": 1,
 # CHECK-CP-JSON-DAG:       "%39": 7,
 # CHECK-CP-JSON-DAG:       "%42": 4,
 # CHECK-CP-JSON-DAG:       "%46": 10,
 # CHECK-CP-JSON-DAG:       "%72": 3847,
 # CHECK-CP-JSON-DAG:       "%75": 3846,
 # CHECK-CP-JSON-DAG:       "%44": 8,
 # CHECK-CP-JSON-DAG:       "%77": 3847,
 # CHECK-CP-JSON-DAG:       "%78": 2,
 # CHECK-CP-JSON-DAG:       "%79": 1,
 # CHECK-CP-JSON-DAG:       "%33": 5,
 # CHECK-CP-JSON-DAG:       "%80": 2,
 # CHECK-CP-JSON-DAG:       "%81": 1,
 # CHECK-CP-JSON-DAG:       "%30": 2,
 # CHECK-CP-JSON-DAG:       "%82": 8,
 # CHECK-CP-JSON-DAG:       "%85": 2,
 # CHECK-CP-JSON-DAG:       "%88": 1,
 # CHECK-CP-JSON-DAG:       "%91": 7,
 # CHECK-CP-JSON-DAG:       "%93": 0,
 # CHECK-CP-JSON-DAG:       "%95": 4,
 # CHECK-CP-JSON-DAG:       "%96": 3,
 # CHECK-CP-JSON-DAG:       "%97": 2,
 # CHECK-CP-JSON-DAG:       "%98": 2,
 # CHECK-CP-JSON-DAG:       "%99": 2,
 # CHECK-CP-JSON-DAG:       "%100": 2,
 # CHECK-CP-JSON-DAG:       "%87": 2,
 # CHECK-CP-JSON-DAG:       "%90": 1,
 # CHECK-CP-JSON-DAG:       "%94": 7,
 # CHECK-CP-JSON-DAG:       "%74": 1678,
 # CHECK-CP-JSON-DAG:       "%105": 3,
 # CHECK-CP-JSON-DAG:       "%92": 4,
 # CHECK-CP-JSON-DAG:       "%106": 2,
 # CHECK-CP-JSON-DAG:       "%107": 1,
 # CHECK-CP-JSON-DAG:       "%84": 2,
 # CHECK-CP-JSON-DAG:       "%108": 1,
 # CHECK-CP-JSON-DAG:       "%109": 2,
 # CHECK-CP-JSON-DAG:       "%110": 2,
 # CHECK-CP-JSON-DAG:       "%111": 1,
 # CHECK-CP-JSON-DAG:       "%112": 1,
 # CHECK-CP-JSON-DAG:       "%113": 1,
 # CHECK-CP-JSON-DAG:       "%114": 2,
 # CHECK-CP-JSON-DAG:       "%115": 2,
 # CHECK-CP-JSON-DAG:       "%116": 1,
 # CHECK-CP-JSON-DAG:       "%117": 1,
 # CHECK-CP-JSON-DAG:       "%120": 3,
 # CHECK-CP-JSON-DAG:       "%122": 2,
 # CHECK-CP-JSON-DAG:       "%124": 1,
 # CHECK-CP-JSON-DAG:       "%119": 1,
 # CHECK-CP-JSON-DAG:       "%126": 1,
 # CHECK-CP-JSON-DAG:       "%127": 1,
 # CHECK-CP-JSON-DAG:       "%128": 1,
 # CHECK-CP-JSON-DAG:       "%129": 7,
 # CHECK-CP-JSON-DAG:       "%131": 2,
 # CHECK-CP-JSON-DAG:       "%71": 9,
 # CHECK-CP-JSON-DAG:       "%76": 9,
 # CHECK-CP-JSON-DAG:       "%135": 2,
 # CHECK-CP-JSON-DAG:       "%136": 1,
 # CHECK-CP-JSON-DAG:       "%69": 6,
 # CHECK-CP-JSON-DAG:       "%137": 1,
 # CHECK-CP-JSON-DAG:       "%68": 4,
 # CHECK-CP-JSON-DAG:       "%138": 2,
 # CHECK-CP-JSON-DAG:       "%139": 1,
 # CHECK-CP-JSON-DAG:       "%67": 1,
 # CHECK-CP-JSON-DAG:       "%140": 1,
 # CHECK-CP-JSON-DAG:       "%123": 2,
 # CHECK-CP-JSON-DAG:       "%125": 2,
 # CHECK-CP-JSON-DAG:       "%141": 5,
 # CHECK-CP-JSON-DAG:       "%142": 2,
 # CHECK-CP-JSON-DAG:       "%104": 7,
 # CHECK-CP-JSON-DAG:       "%144": 2,
 # CHECK-CP-JSON-DAG:       "%145": 1,
 # CHECK-CP-JSON-DAG:       "%102": 4,
 # CHECK-CP-JSON-DAG:       "%146": 2,
 # CHECK-CP-JSON-DAG:       "%147": 1,
 # CHECK-CP-JSON-DAG:       "%101": 1,
 # CHECK-CP-JSON-DAG:       "%130": 2,
 # CHECK-CP-JSON-DAG:       "%134": 2
 # CHECK-CP-JSON:         },
 # CHECK-CP-JSON-NEXT:    "paths": [
 # CHECK-CP-JSON:         ],
 # CHECK-CP-JSON-NEXT:    "metrics": {
 # CHECK-CP-JSON-NEXT:        "distance-cache": {
 # CHECK-CP-JSON-NEXT:            "hits": {{[0-9]+}},
 # CHECK-CP-JSON-NEXT:            "misses": {{[0-9]+}}
 # CHECK-CP-JSON-NEXT:        }
 # CHECK-CP-JSON-NEXT:    }
 # CHECK-CP-JSON-NEXT:  },
 # CHECK-CP-JSON-DAG:   "time.amdgpu-next-use-analysis-json.json.wall": {{[0-9.e+-]+}},
 # CHECK-CP-JSON-DAG:   "time.amdgpu-next-use-analysis-json.json.user": {{[0-9.e+-]+}},
 # CHECK-CP-JSON-DAG:   "time.amdgpu-next-use-analysis-json.json.sys": {{[0-9.e+-]+}}
 # CHECK-CP-JSON:      }