
# 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.5      |             |
#         \      |             |
#         bb.2------------+
#                |             |
#         bb.3           |
#           /    |             |
#    bb.4    |             |
#           \    |             |
#       bb.6.latch2------+
#                |
#            bb.7
#


--- |
  define amdgpu_ps i32 @test8(ptr addrspace(1) %p1, ptr addrspace(1) %p2, ptr addrspace(1) %p3) {
  ret i32 0
  }
...

---
name:            test8
tracksRegLiveness: true
body:             |
  bb.0:
    successors: %bb.1(0x80000000)
    liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7, $vgpr8
  
    %0:vgpr_32 = COPY $vgpr8
    %1:vgpr_32 = COPY $vgpr7
    %2:vgpr_32 = COPY $vgpr6
    %3:vgpr_32 = COPY $vgpr5
    %4:vgpr_32 = COPY $vgpr4
    %5:vgpr_32 = COPY $vgpr3
    %6:vgpr_32 = COPY $vgpr2
    %7:vgpr_32 = COPY $vgpr1
    %8:vgpr_32 = COPY $vgpr0
    %9:vreg_64 = REG_SEQUENCE %4, %subreg.sub0, %3, %subreg.sub1
    %10:vreg_64 = REG_SEQUENCE %6, %subreg.sub0, %5, %subreg.sub1
    %11:vreg_64 = REG_SEQUENCE %8, %subreg.sub0, %7, %subreg.sub1
    %12:vgpr_32 = V_AND_B32_e64 1, %2, implicit $exec
    %13:sreg_32 = V_CMP_NE_U32_e64 1, %12, implicit $exec
    %14:vgpr_32 = GLOBAL_LOAD_UBYTE %11, 0, 0, implicit $exec :: (load (s8) from %ir.p1, addrspace 1)
    %15:vgpr_32 = GLOBAL_LOAD_UBYTE %11, 1, 0, implicit $exec :: (load (s8) from %ir.p1 + 1, addrspace 1)
    %16:vgpr_32 = V_LSHL_OR_B32_e64 %15, 8, %14, implicit $exec
    %17:vgpr_32 = GLOBAL_LOAD_UBYTE %11, 2, 0, implicit $exec :: (load (s8) from %ir.p1 + 2, addrspace 1)
    %18:vgpr_32 = GLOBAL_LOAD_UBYTE %11, 3, 0, implicit $exec :: (load (s8) from %ir.p1 + 3, addrspace 1)
    %19:vgpr_32 = V_LSHL_OR_B32_e64 %18, 8, %17, implicit $exec
    %20:vgpr_32 = V_LSHL_OR_B32_e64 %19, 16, %16, implicit $exec
    %21:vgpr_32 = V_ADD_U32_e64 500, %20, 0, implicit $exec
    %22:vgpr_32 = V_MOV_B32_e32 7, implicit $exec
    %23:vgpr_32 = V_MOV_B32_e32 10, implicit $exec
    %24:sreg_32 = S_MOV_B32 0
    %25:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
  
  bb.1:
    successors: %bb.5(0x40000000), %bb.2(0x40000000)
  
    %26:sreg_32 = PHI undef %27:sreg_32, %bb.0, %28, %bb.2, undef %29:sreg_32, %bb.6
    %30:sreg_32 = PHI undef %31:sreg_32, %bb.0, %32, %bb.2, undef %33:sreg_32, %bb.6
    %34:sreg_32 = PHI %24, %bb.0, %34, %bb.2, %35, %bb.6
    %36:sreg_32 = PHI %24, %bb.0, %37, %bb.2, %24, %bb.6
    %38:vgpr_32 = PHI %25, %bb.0, %39, %bb.2, %25, %bb.6
    %40:vgpr_32 = PHI %23, %bb.0, %41, %bb.2, %42, %bb.6
    %43:vgpr_32 = PHI %22, %bb.0, %44, %bb.2, %45, %bb.6
    %46:sreg_32 = S_OR_B32 %30, $exec_lo, implicit-def dead $scc
    %47:sreg_32 = S_OR_B32 %26, $exec_lo, implicit-def dead $scc
    %48:sreg_32 = SI_IF %13, %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.5
  
  bb.2:
    successors: %bb.3(0x40000000), %bb.1(0x40000000)
  
    %28:sreg_32 = PHI %47, %bb.1, %49, %bb.5
    %32:sreg_32 = PHI %46, %bb.1, %50, %bb.5
    %51:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %53, %bb.5
    %54:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %55, %bb.5
    %56:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %57, %bb.5
    %44:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %58, %bb.5
    %41:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %59, %bb.5
    %39:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %60, %bb.5
    SI_END_CF %48, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    %37:sreg_32 = SI_IF_BREAK %32, %36, implicit-def dead $scc
    SI_LOOP %37, %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.3
  
  bb.3:
    successors: %bb.4(0x40000000), %bb.6(0x40000000)
  
    SI_END_CF %37, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    %61:sreg_32 = SI_IF %28, %bb.6, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.4
  
  bb.4:
    successors: %bb.6(0x80000000)
  
    GLOBAL_STORE_DWORD %9, %21, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)
    %62:vgpr_32 = V_MOV_B32_e32 100, implicit $exec
    %63:vgpr_32 = V_MOV_B32_e32 1000, implicit $exec
    S_BRANCH %bb.6
  
  bb.5:
    successors: %bb.2(0x80000000)
  
    %57:vgpr_32 = GLOBAL_LOAD_DWORD %10, 0, 0, implicit $exec :: (load (s32) from %ir.p2, addrspace 1)
    %53:vgpr_32 = V_MUL_LO_U32_e64 %57, %20, implicit $exec
    GLOBAL_STORE_DWORD %9, %53, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)
    %55:vgpr_32 = V_SUB_U32_e64 %53, %40, 0, implicit $exec
    %60:vgpr_32 = V_ADD_U32_e64 1, %38, 0, implicit $exec
    %64:sreg_32 = V_CMP_GE_U32_e64 %60, %1, implicit $exec
    %59:vgpr_32 = V_MOV_B32_e32 52, implicit $exec
    %58:vgpr_32 = V_MOV_B32_e32 13, implicit $exec
    %65:sreg_32 = S_ANDN2_B32 %46, $exec_lo, implicit-def dead $scc
    %66:sreg_32 = S_AND_B32 %64, $exec_lo, implicit-def dead $scc
    %50:sreg_32 = S_OR_B32 %65, %66, implicit-def dead $scc
    %67:sreg_32 = S_ANDN2_B32 %47, $exec_lo, implicit-def dead $scc
    %49:sreg_32 = COPY %67
    S_BRANCH %bb.2
  
  bb.6:
    successors: %bb.7(0x04000000), %bb.1(0x7c000000)
  
    %68:vgpr_32 = PHI %56, %bb.3, %63, %bb.4
    %69:vgpr_32 = PHI %54, %bb.3, %62, %bb.4
    %70:vgpr_32 = PHI %51, %bb.3, %21, %bb.4
    SI_END_CF %61, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    %42:vgpr_32 = V_ADD_U32_e64 1, %40, 0, implicit $exec
    %71:vgpr_32 = V_ADD_U32_e64 %68, %42, 0, implicit $exec
    GLOBAL_STORE_DWORD %11, %71, 0, 0, implicit $exec :: (store (s32) into %ir.p1, addrspace 1)
    %72:sreg_32 = V_CMP_GE_U32_e64 %42, %0, implicit $exec
    %35:sreg_32 = SI_IF_BREAK %72, %34, implicit-def dead $scc
    %45:vgpr_32 = V_MOV_B32_e32 13, implicit $exec
    SI_LOOP %35, %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.7
  
  bb.7:
    SI_END_CF %35, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    %73:vgpr_32 = V_ADD3_U32_e64 %71, %43, %71, implicit $exec
    %74:vgpr_32 = V_ADD3_U32_e64 %73, %68, %69, implicit $exec
    %75:vgpr_32 = V_ADD3_U32_e64 %74, %70, %38, implicit $exec
    %76:sreg_32_xm0 = V_READFIRSTLANE_B32 %75, implicit $exec
    $sgpr0 = COPY %76
    SI_RETURN_TO_EPILOG killed $sgpr0
...
---


# 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 $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-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 $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": 58
# 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": 58
# 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": 58
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%2: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": 57
# CHECK-GX-JSON-DAG:             "%1": 40
# 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": 57
# 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": 57
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%3: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": 56
# CHECK-GX-JSON-DAG:             "%1": 39
# CHECK-GX-JSON-DAG:             "%2": 9
# 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": 56
# 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": 56
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%4: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": 55
# CHECK-GX-JSON-DAG:             "%1": 38
# CHECK-GX-JSON-DAG:             "%2": 8
# CHECK-GX-JSON-DAG:             "%3": 5
# 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": 55
# 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": 55
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%5: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": 54
# CHECK-GX-JSON-DAG:             "%1": 37
# CHECK-GX-JSON-DAG:             "%2": 7
# CHECK-GX-JSON-DAG:             "%3": 4
# CHECK-GX-JSON-DAG:             "%4": 4
# 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": 54
# 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": 54
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%6: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": 53
# CHECK-GX-JSON-DAG:             "%1": 36
# CHECK-GX-JSON-DAG:             "%2": 6
# CHECK-GX-JSON-DAG:             "%3": 3
# CHECK-GX-JSON-DAG:             "%4": 3
# CHECK-GX-JSON-DAG:             "%5": 4
# 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": 53
# 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": 53
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%7: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": 52
# CHECK-GX-JSON-DAG:             "%1": 35
# CHECK-GX-JSON-DAG:             "%2": 5
# CHECK-GX-JSON-DAG:             "%3": 2
# CHECK-GX-JSON-DAG:             "%4": 2
# CHECK-GX-JSON-DAG:             "%5": 3
# CHECK-GX-JSON-DAG:             "%6": 3
# 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": 52
# 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": 52
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%8: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": 51
# CHECK-GX-JSON-DAG:             "%1": 34
# CHECK-GX-JSON-DAG:             "%2": 4
# CHECK-GX-JSON-DAG:             "%3": 1
# CHECK-GX-JSON-DAG:             "%4": 1
# CHECK-GX-JSON-DAG:             "%5": 2
# CHECK-GX-JSON-DAG:             "%6": 2
# CHECK-GX-JSON-DAG:             "%7": 3
# 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": 51
# 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": 51
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%9:vreg_64 = REG_SEQUENCE %4, %subreg.sub0, %3, %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": 50
# CHECK-GX-JSON-DAG:             "%1": 33
# CHECK-GX-JSON-DAG:             "%2": 3
# CHECK-GX-JSON-DAG:             "%3": 0
# CHECK-GX-JSON-DAG:             "%4": 0
# 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:               },
# 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": 50
# 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": 50
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%10: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": 49
# CHECK-GX-JSON-DAG:             "%1": 32
# CHECK-GX-JSON-DAG:             "%2": 2
# 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": 29
# 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": 49
# 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": 49
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%11: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": 48
# CHECK-GX-JSON-DAG:             "%1": 31
# CHECK-GX-JSON-DAG:             "%2": 1
# CHECK-GX-JSON-DAG:             "%7": 0
# CHECK-GX-JSON-DAG:             "%8": 0
# CHECK-GX-JSON-DAG:             "%9": 28
# CHECK-GX-JSON-DAG:             "%10": 26
# 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": 48
# 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": 48
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%12:vgpr_32 = V_AND_B32_e64 1, %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:             "%0": 47
# CHECK-GX-JSON-DAG:             "%1": 30
# CHECK-GX-JSON-DAG:             "%2": 0
# CHECK-GX-JSON-DAG:             "%9": 27
# CHECK-GX-JSON-DAG:             "%10": 25
# CHECK-GX-JSON-DAG:             "%11": 2
# 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": 47
# 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": 47
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%13:sreg_32 = V_CMP_NE_U32_e64 1, %12, 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": 46
# CHECK-GX-JSON-DAG:             "%1": 29
# CHECK-GX-JSON-DAG:             "%9": 26
# CHECK-GX-JSON-DAG:             "%10": 24
# CHECK-GX-JSON-DAG:             "%11": 1
# CHECK-GX-JSON-DAG:             "%12": 0
# 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": 46
# 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": 46
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%14:vgpr_32 = GLOBAL_LOAD_UBYTE %11, 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:             "%0": 45
# CHECK-GX-JSON-DAG:             "%1": 28
# CHECK-GX-JSON-DAG:             "%9": 25
# CHECK-GX-JSON-DAG:             "%10": 23
# CHECK-GX-JSON-DAG:             "%11": 0
# CHECK-GX-JSON-DAG:             "%13": 21
# 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": 45
# 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": 45
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%15:vgpr_32 = GLOBAL_LOAD_UBYTE %11, 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:             "%0": 44
# CHECK-GX-JSON-DAG:             "%1": 27
# CHECK-GX-JSON-DAG:             "%9": 24
# CHECK-GX-JSON-DAG:             "%10": 22
# CHECK-GX-JSON-DAG:             "%11": 0
# CHECK-GX-JSON-DAG:             "%13": 20
# CHECK-GX-JSON-DAG:             "%14": 1
# 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": 44
# 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": 44
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%16:vgpr_32 = V_LSHL_OR_B32_e64 %15, 8, %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:             "%0": 43
# CHECK-GX-JSON-DAG:             "%1": 26
# CHECK-GX-JSON-DAG:             "%9": 23
# CHECK-GX-JSON-DAG:             "%10": 21
# CHECK-GX-JSON-DAG:             "%11": 1
# CHECK-GX-JSON-DAG:             "%13": 19
# CHECK-GX-JSON-DAG:             "%14": 0
# CHECK-GX-JSON-DAG:             "%15": 0
# 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": 43
# 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": 43
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%17:vgpr_32 = GLOBAL_LOAD_UBYTE %11, 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:             "%0": 42
# CHECK-GX-JSON-DAG:             "%1": 25
# CHECK-GX-JSON-DAG:             "%9": 22
# CHECK-GX-JSON-DAG:             "%10": 20
# CHECK-GX-JSON-DAG:             "%11": 0
# CHECK-GX-JSON-DAG:             "%13": 18
# CHECK-GX-JSON-DAG:             "%16": 3
# 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": 42
# 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": 42
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%18:vgpr_32 = GLOBAL_LOAD_UBYTE %11, 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:             "%0": 41
# CHECK-GX-JSON-DAG:             "%1": 24
# CHECK-GX-JSON-DAG:             "%9": 21
# CHECK-GX-JSON-DAG:             "%10": 19
# CHECK-GX-JSON-DAG:             "%11": 0
# CHECK-GX-JSON-DAG:             "%13": 17
# CHECK-GX-JSON-DAG:             "%16": 2
# CHECK-GX-JSON-DAG:             "%17": 1
# 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": 41
# 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": 41
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%19:vgpr_32 = V_LSHL_OR_B32_e64 %18, 8, %17, 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": 40
# CHECK-GX-JSON-DAG:             "%1": 23
# CHECK-GX-JSON-DAG:             "%9": 20
# CHECK-GX-JSON-DAG:             "%10": 18
# CHECK-GX-JSON-DAG:             "%11": 39
# CHECK-GX-JSON-DAG:             "%13": 16
# CHECK-GX-JSON-DAG:             "%16": 1
# CHECK-GX-JSON-DAG:             "%17": 0
# CHECK-GX-JSON-DAG:             "%18": 0
# 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": 40
# 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": 40
# 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, 16, %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:             "%0": 39
# CHECK-GX-JSON-DAG:             "%1": 22
# CHECK-GX-JSON-DAG:             "%9": 19
# CHECK-GX-JSON-DAG:             "%10": 17
# CHECK-GX-JSON-DAG:             "%11": 38
# CHECK-GX-JSON-DAG:             "%13": 15
# CHECK-GX-JSON-DAG:             "%16": 0
# CHECK-GX-JSON-DAG:             "%19": 0
# 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": 39
# 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": 39
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%21:vgpr_32 = V_ADD_U32_e64 500, %20, 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": 38
# CHECK-GX-JSON-DAG:             "%1": 21
# CHECK-GX-JSON-DAG:             "%9": 18
# CHECK-GX-JSON-DAG:             "%10": 16
# CHECK-GX-JSON-DAG:             "%11": 37
# CHECK-GX-JSON-DAG:             "%13": 14
# CHECK-GX-JSON-DAG:             "%20": 0
# 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": 38
# 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": 38
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%22:vgpr_32 = V_MOV_B32_e32 7, 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": 37
# CHECK-GX-JSON-DAG:             "%1": 20
# CHECK-GX-JSON-DAG:             "%9": 17
# CHECK-GX-JSON-DAG:             "%10": 15
# CHECK-GX-JSON-DAG:             "%11": 36
# CHECK-GX-JSON-DAG:             "%13": 13
# CHECK-GX-JSON-DAG:             "%20": 16
# CHECK-GX-JSON-DAG:             "%21": 30
# 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": 37
# 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": 37
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%23:vgpr_32 = V_MOV_B32_e32 10, 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": 36
# CHECK-GX-JSON-DAG:             "%1": 19
# CHECK-GX-JSON-DAG:             "%9": 16
# CHECK-GX-JSON-DAG:             "%10": 14
# CHECK-GX-JSON-DAG:             "%11": 35
# CHECK-GX-JSON-DAG:             "%13": 12
# CHECK-GX-JSON-DAG:             "%20": 15
# CHECK-GX-JSON-DAG:             "%21": 29
# CHECK-GX-JSON-DAG:             "%22": 9
# 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": 36
# 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": 36
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%24: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:             "%0": 35
# CHECK-GX-JSON-DAG:             "%1": 18
# CHECK-GX-JSON-DAG:             "%9": 15
# CHECK-GX-JSON-DAG:             "%10": 13
# CHECK-GX-JSON-DAG:             "%11": 34
# CHECK-GX-JSON-DAG:             "%13": 11
# CHECK-GX-JSON-DAG:             "%20": 14
# CHECK-GX-JSON-DAG:             "%21": 28
# CHECK-GX-JSON-DAG:             "%22": 8
# CHECK-GX-JSON-DAG:             "%23": 7
# 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": 35
# 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": 35
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%25:vgpr_32 = V_MOV_B32_e32 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": 34
# CHECK-GX-JSON-DAG:             "%1": 17
# CHECK-GX-JSON-DAG:             "%9": 14
# CHECK-GX-JSON-DAG:             "%10": 12
# CHECK-GX-JSON-DAG:             "%11": 33
# CHECK-GX-JSON-DAG:             "%13": 10
# CHECK-GX-JSON-DAG:             "%20": 13
# CHECK-GX-JSON-DAG:             "%21": 27
# CHECK-GX-JSON-DAG:             "%22": 7
# CHECK-GX-JSON-DAG:             "%23": 6
# CHECK-GX-JSON-DAG:             "%24": 3
# 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": 34
# 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": 34
# 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": "%26:sreg_32 = PHI undef %27:sreg_32, %bb.0, %28, %bb.2, undef %29:sreg_32, %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:             "%0": 33
# CHECK-GX-JSON-DAG:             "%1": 16
# CHECK-GX-JSON-DAG:             "%9": 13
# CHECK-GX-JSON-DAG:             "%10": 11
# CHECK-GX-JSON-DAG:             "%11": 32
# CHECK-GX-JSON-DAG:             "%13": 9
# CHECK-GX-JSON-DAG:             "%20": 12
# CHECK-GX-JSON-DAG:             "%21": 26
# CHECK-GX-JSON-DAG:             "%24": 2
# CHECK-GX-JSON-DAG:             "%25": 4
# 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": 33
# 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": 33
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%30:sreg_32 = PHI undef %31:sreg_32, %bb.0, %32, %bb.2, undef %33:sreg_32, %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:             "%0": 32
# CHECK-GX-JSON-DAG:             "%1": 15
# CHECK-GX-JSON-DAG:             "%9": 12
# CHECK-GX-JSON-DAG:             "%10": 10
# CHECK-GX-JSON-DAG:             "%11": 31
# CHECK-GX-JSON-DAG:             "%13": 8
# CHECK-GX-JSON-DAG:             "%20": 11
# CHECK-GX-JSON-DAG:             "%21": 25
# CHECK-GX-JSON-DAG:             "%24": 1
# CHECK-GX-JSON-DAG:             "%25": 3
# CHECK-GX-JSON-DAG:             "%26": 7
# 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": 32
# 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": 32
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%34:sreg_32 = PHI %24, %bb.0, %34, %bb.2, %35, %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:             "%0": 31
# CHECK-GX-JSON-DAG:             "%1": 14
# CHECK-GX-JSON-DAG:             "%9": 11
# CHECK-GX-JSON-DAG:             "%10": 9
# CHECK-GX-JSON-DAG:             "%11": 30
# CHECK-GX-JSON-DAG:             "%13": 7
# CHECK-GX-JSON-DAG:             "%20": 10
# CHECK-GX-JSON-DAG:             "%21": 24
# CHECK-GX-JSON-DAG:             "%24": 0
# CHECK-GX-JSON-DAG:             "%25": 2
# CHECK-GX-JSON-DAG:             "%26": 6
# CHECK-GX-JSON-DAG:             "%30": 5
# 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": 31
# 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": 31
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%36:sreg_32 = PHI %24, %bb.0, %37, %bb.2, %24, %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:             "%0": 30
# CHECK-GX-JSON-DAG:             "%1": 13
# CHECK-GX-JSON-DAG:             "%9": 10
# CHECK-GX-JSON-DAG:             "%10": 8
# CHECK-GX-JSON-DAG:             "%11": 29
# CHECK-GX-JSON-DAG:             "%13": 6
# CHECK-GX-JSON-DAG:             "%20": 9
# CHECK-GX-JSON-DAG:             "%21": 23
# CHECK-GX-JSON-DAG:             "%24": 0
# CHECK-GX-JSON-DAG:             "%25": 1
# CHECK-GX-JSON-DAG:             "%26": 5
# CHECK-GX-JSON-DAG:             "%30": 4
# CHECK-GX-JSON-DAG:             "%34": 31
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%34",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 31
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%34",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 31
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%38:vgpr_32 = PHI %25, %bb.0, %39, %bb.2, %25, %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:             "%0": 29
# CHECK-GX-JSON-DAG:             "%1": 12
# CHECK-GX-JSON-DAG:             "%9": 9
# CHECK-GX-JSON-DAG:             "%10": 7
# CHECK-GX-JSON-DAG:             "%11": 28
# CHECK-GX-JSON-DAG:             "%13": 5
# CHECK-GX-JSON-DAG:             "%20": 8
# CHECK-GX-JSON-DAG:             "%21": 22
# CHECK-GX-JSON-DAG:             "%25": 0
# CHECK-GX-JSON-DAG:             "%26": 4
# CHECK-GX-JSON-DAG:             "%30": 3
# CHECK-GX-JSON-DAG:             "%34": 30
# CHECK-GX-JSON-DAG:             "%36": 16
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%34",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 30
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%34",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 30
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%40:vgpr_32 = PHI %23, %bb.0, %41, %bb.2, %42, %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:             "%0": 28
# CHECK-GX-JSON-DAG:             "%1": 11
# CHECK-GX-JSON-DAG:             "%9": 8
# CHECK-GX-JSON-DAG:             "%10": 6
# CHECK-GX-JSON-DAG:             "%11": 27
# CHECK-GX-JSON-DAG:             "%13": 4
# CHECK-GX-JSON-DAG:             "%20": 7
# CHECK-GX-JSON-DAG:             "%21": 21
# CHECK-GX-JSON-DAG:             "%26": 3
# CHECK-GX-JSON-DAG:             "%30": 2
# CHECK-GX-JSON-DAG:             "%34": 29
# CHECK-GX-JSON-DAG:             "%36": 15
# CHECK-GX-JSON-DAG:             "%38": 10
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%34",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 29
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%34",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 29
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%43:vgpr_32 = PHI %22, %bb.0, %44, %bb.2, %45, %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:             "%0": 27
# CHECK-GX-JSON-DAG:             "%1": 10
# CHECK-GX-JSON-DAG:             "%9": 7
# CHECK-GX-JSON-DAG:             "%10": 5
# CHECK-GX-JSON-DAG:             "%11": 26
# CHECK-GX-JSON-DAG:             "%13": 3
# CHECK-GX-JSON-DAG:             "%20": 6
# CHECK-GX-JSON-DAG:             "%21": 20
# CHECK-GX-JSON-DAG:             "%26": 2
# CHECK-GX-JSON-DAG:             "%30": 1
# CHECK-GX-JSON-DAG:             "%34": 28
# CHECK-GX-JSON-DAG:             "%36": 14
# CHECK-GX-JSON-DAG:             "%38": 9
# CHECK-GX-JSON-DAG:             "%40": 8
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%34",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 28
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%34",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 28
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%46:sreg_32 = S_OR_B32 %30, $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:             "%0": 26
# CHECK-GX-JSON-DAG:             "%1": 9
# CHECK-GX-JSON-DAG:             "%9": 6
# CHECK-GX-JSON-DAG:             "%10": 4
# CHECK-GX-JSON-DAG:             "%11": 25
# CHECK-GX-JSON-DAG:             "%13": 2
# CHECK-GX-JSON-DAG:             "%20": 5
# CHECK-GX-JSON-DAG:             "%21": 19
# CHECK-GX-JSON-DAG:             "%26": 1
# CHECK-GX-JSON-DAG:             "%30": 0
# CHECK-GX-JSON-DAG:             "%34": 27
# CHECK-GX-JSON-DAG:             "%36": 13
# CHECK-GX-JSON-DAG:             "%38": 8
# CHECK-GX-JSON-DAG:             "%40": 7
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4866
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4866
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%47:sreg_32 = S_OR_B32 %26, $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:             "%0": 25
# CHECK-GX-JSON-DAG:             "%1": 8
# CHECK-GX-JSON-DAG:             "%9": 5
# CHECK-GX-JSON-DAG:             "%10": 3
# CHECK-GX-JSON-DAG:             "%11": 24
# CHECK-GX-JSON-DAG:             "%13": 1
# CHECK-GX-JSON-DAG:             "%20": 4
# CHECK-GX-JSON-DAG:             "%21": 18
# CHECK-GX-JSON-DAG:             "%26": 0
# CHECK-GX-JSON-DAG:             "%34": 26
# CHECK-GX-JSON-DAG:             "%36": 12
# CHECK-GX-JSON-DAG:             "%38": 7
# CHECK-GX-JSON-DAG:             "%40": 6
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%46": 4
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4866
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4866
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%48:sreg_32 = SI_IF %13, %bb.2, 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:             "%0": 24
# CHECK-GX-JSON-DAG:             "%1": 7
# CHECK-GX-JSON-DAG:             "%9": 4
# CHECK-GX-JSON-DAG:             "%10": 2
# CHECK-GX-JSON-DAG:             "%11": 23
# CHECK-GX-JSON-DAG:             "%13": 0
# CHECK-GX-JSON-DAG:             "%20": 3
# CHECK-GX-JSON-DAG:             "%21": 17
# CHECK-GX-JSON-DAG:             "%34": 25
# CHECK-GX-JSON-DAG:             "%36": 11
# CHECK-GX-JSON-DAG:             "%38": 6
# CHECK-GX-JSON-DAG:             "%40": 5
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%46": 3
# CHECK-GX-JSON-DAG:             "%47": 2
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4866
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4866
# 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:             "%0": 23
# CHECK-GX-JSON-DAG:             "%1": 6
# CHECK-GX-JSON-DAG:             "%9": 3
# CHECK-GX-JSON-DAG:             "%10": 1
# CHECK-GX-JSON-DAG:             "%11": 22
# CHECK-GX-JSON-DAG:             "%20": 2
# CHECK-GX-JSON-DAG:             "%21": 16
# CHECK-GX-JSON-DAG:             "%34": 24
# CHECK-GX-JSON-DAG:             "%36": 10
# CHECK-GX-JSON-DAG:             "%38": 5
# CHECK-GX-JSON-DAG:             "%40": 4
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%46": 2
# CHECK-GX-JSON-DAG:             "%47": 1
# CHECK-GX-JSON-DAG:             "%48": 9
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4866
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4866
# 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": "%28:sreg_32 = PHI %47, %bb.1, %49, %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:             "%0": 22
# CHECK-GX-JSON-DAG:             "%9": 15
# CHECK-GX-JSON-DAG:             "%11": 21
# CHECK-GX-JSON-DAG:             "%21": 15
# CHECK-GX-JSON-DAG:             "%34": 23
# CHECK-GX-JSON-DAG:             "%36": 9
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 19
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%48": 8
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%32:sreg_32 = PHI %46, %bb.1, %50, %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:             "%0": 21
# CHECK-GX-JSON-DAG:             "%9": 14
# CHECK-GX-JSON-DAG:             "%11": 20
# CHECK-GX-JSON-DAG:             "%21": 14
# CHECK-GX-JSON-DAG:             "%28": 12
# CHECK-GX-JSON-DAG:             "%34": 22
# CHECK-GX-JSON-DAG:             "%36": 8
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 18
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%48": 7
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%51:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %53, %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:             "%0": 20
# CHECK-GX-JSON-DAG:             "%9": 13
# CHECK-GX-JSON-DAG:             "%11": 19
# CHECK-GX-JSON-DAG:             "%21": 13
# CHECK-GX-JSON-DAG:             "%28": 11
# CHECK-GX-JSON-DAG:             "%32": 7
# CHECK-GX-JSON-DAG:             "%34": 21
# CHECK-GX-JSON-DAG:             "%36": 7
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 17
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%48": 6
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%54:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %55, %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:             "%0": 19
# CHECK-GX-JSON-DAG:             "%9": 12
# CHECK-GX-JSON-DAG:             "%11": 18
# CHECK-GX-JSON-DAG:             "%21": 12
# CHECK-GX-JSON-DAG:             "%28": 10
# CHECK-GX-JSON-DAG:             "%32": 6
# CHECK-GX-JSON-DAG:             "%34": 20
# CHECK-GX-JSON-DAG:             "%36": 6
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 16
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%48": 5
# CHECK-GX-JSON-DAG:             "%51": 14
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%56:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %57, %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:             "%0": 18
# CHECK-GX-JSON-DAG:             "%9": 11
# CHECK-GX-JSON-DAG:             "%11": 17
# CHECK-GX-JSON-DAG:             "%21": 11
# CHECK-GX-JSON-DAG:             "%28": 9
# CHECK-GX-JSON-DAG:             "%32": 5
# CHECK-GX-JSON-DAG:             "%34": 19
# CHECK-GX-JSON-DAG:             "%36": 5
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 15
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%48": 4
# CHECK-GX-JSON-DAG:             "%51": 13
# CHECK-GX-JSON-DAG:             "%54": 12
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%44:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %58, %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:             "%0": 17
# CHECK-GX-JSON-DAG:             "%9": 10
# CHECK-GX-JSON-DAG:             "%11": 16
# CHECK-GX-JSON-DAG:             "%21": 10
# CHECK-GX-JSON-DAG:             "%28": 8
# CHECK-GX-JSON-DAG:             "%32": 4
# CHECK-GX-JSON-DAG:             "%34": 18
# CHECK-GX-JSON-DAG:             "%36": 4
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 14
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%48": 3
# CHECK-GX-JSON-DAG:             "%51": 12
# CHECK-GX-JSON-DAG:             "%54": 11
# CHECK-GX-JSON-DAG:             "%56": 10
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%41:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %59, %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:             "%0": 16
# CHECK-GX-JSON-DAG:             "%9": 9
# CHECK-GX-JSON-DAG:             "%11": 15
# CHECK-GX-JSON-DAG:             "%21": 9
# CHECK-GX-JSON-DAG:             "%28": 7
# CHECK-GX-JSON-DAG:             "%32": 3
# CHECK-GX-JSON-DAG:             "%34": 17
# CHECK-GX-JSON-DAG:             "%36": 3
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 13
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%48": 2
# CHECK-GX-JSON-DAG:             "%51": 11
# CHECK-GX-JSON-DAG:             "%54": 10
# CHECK-GX-JSON-DAG:             "%56": 9
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%39:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %60, %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:             "%0": 15
# CHECK-GX-JSON-DAG:             "%9": 8
# CHECK-GX-JSON-DAG:             "%11": 14
# CHECK-GX-JSON-DAG:             "%21": 8
# CHECK-GX-JSON-DAG:             "%28": 6
# CHECK-GX-JSON-DAG:             "%32": 2
# CHECK-GX-JSON-DAG:             "%34": 16
# CHECK-GX-JSON-DAG:             "%36": 2
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 12
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%48": 1
# CHECK-GX-JSON-DAG:             "%51": 10
# CHECK-GX-JSON-DAG:             "%54": 9
# CHECK-GX-JSON-DAG:             "%56": 8
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %48, 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:             "%0": 14
# CHECK-GX-JSON-DAG:             "%9": 7
# CHECK-GX-JSON-DAG:             "%11": 13
# CHECK-GX-JSON-DAG:             "%21": 7
# CHECK-GX-JSON-DAG:             "%28": 5
# CHECK-GX-JSON-DAG:             "%32": 1
# CHECK-GX-JSON-DAG:             "%34": 15
# CHECK-GX-JSON-DAG:             "%36": 1
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 11
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%48": 0
# CHECK-GX-JSON-DAG:             "%51": 9
# CHECK-GX-JSON-DAG:             "%54": 8
# CHECK-GX-JSON-DAG:             "%56": 7
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%37:sreg_32 = SI_IF_BREAK %32, %36, 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:             "%0": 13
# CHECK-GX-JSON-DAG:             "%9": 6
# CHECK-GX-JSON-DAG:             "%11": 12
# CHECK-GX-JSON-DAG:             "%21": 6
# CHECK-GX-JSON-DAG:             "%28": 4
# CHECK-GX-JSON-DAG:             "%32": 0
# CHECK-GX-JSON-DAG:             "%34": 14
# CHECK-GX-JSON-DAG:             "%36": 0
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 10
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%51": 8
# CHECK-GX-JSON-DAG:             "%54": 7
# CHECK-GX-JSON-DAG:             "%56": 6
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "SI_LOOP %37, %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:             "%0": 12
# CHECK-GX-JSON-DAG:             "%9": 5
# CHECK-GX-JSON-DAG:             "%11": 11
# CHECK-GX-JSON-DAG:             "%21": 5
# CHECK-GX-JSON-DAG:             "%28": 3
# CHECK-GX-JSON-DAG:             "%34": 13
# CHECK-GX-JSON-DAG:             "%37": 0
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 9
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%51": 7
# CHECK-GX-JSON-DAG:             "%54": 6
# CHECK-GX-JSON-DAG:             "%56": 5
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# 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:             "%0": 11
# CHECK-GX-JSON-DAG:             "%9": 4
# CHECK-GX-JSON-DAG:             "%11": 10
# CHECK-GX-JSON-DAG:             "%21": 4
# CHECK-GX-JSON-DAG:             "%28": 2
# CHECK-GX-JSON-DAG:             "%34": 12
# CHECK-GX-JSON-DAG:             "%37": 1
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 8
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%51": 6
# CHECK-GX-JSON-DAG:             "%54": 5
# CHECK-GX-JSON-DAG:             "%56": 4
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# 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": "SI_END_CF %37, 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:             "%0": 10
# CHECK-GX-JSON-DAG:             "%9": 3
# CHECK-GX-JSON-DAG:             "%11": 9
# CHECK-GX-JSON-DAG:             "%21": 3
# CHECK-GX-JSON-DAG:             "%28": 1
# CHECK-GX-JSON-DAG:             "%34": 11
# CHECK-GX-JSON-DAG:             "%37": 0
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 7
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%51": 5
# CHECK-GX-JSON-DAG:             "%54": 4
# CHECK-GX-JSON-DAG:             "%56": 3
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%61:sreg_32 = SI_IF %28, %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:             "%0": 9
# CHECK-GX-JSON-DAG:             "%9": 2
# CHECK-GX-JSON-DAG:             "%11": 8
# CHECK-GX-JSON-DAG:             "%21": 2
# CHECK-GX-JSON-DAG:             "%28": 0
# CHECK-GX-JSON-DAG:             "%34": 10
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 6
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%51": 4
# CHECK-GX-JSON-DAG:             "%54": 3
# CHECK-GX-JSON-DAG:             "%56": 2
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# 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:             "%0": 8
# CHECK-GX-JSON-DAG:             "%9": 1
# CHECK-GX-JSON-DAG:             "%11": 7
# CHECK-GX-JSON-DAG:             "%21": 1
# CHECK-GX-JSON-DAG:             "%34": 9
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 5
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%51": 3
# CHECK-GX-JSON-DAG:             "%54": 2
# CHECK-GX-JSON-DAG:             "%56": 1
# CHECK-GX-JSON-DAG:             "%61": 4
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# 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": "GLOBAL_STORE_DWORD %9, %21, 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:             "%0": 11
# CHECK-GX-JSON-DAG:             "%9": 0
# CHECK-GX-JSON-DAG:             "%11": 10
# CHECK-GX-JSON-DAG:             "%21": 0
# CHECK-GX-JSON-DAG:             "%34": 12
# CHECK-GX-JSON-DAG:             "%38": 5380
# CHECK-GX-JSON-DAG:             "%40": 8
# CHECK-GX-JSON-DAG:             "%43": 5378
# CHECK-GX-JSON-DAG:             "%61": 7
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 5380
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 5380
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%62:vgpr_32 = V_MOV_B32_e32 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:             "%0": 10
# CHECK-GX-JSON-DAG:             "%11": 9
# CHECK-GX-JSON-DAG:             "%21": 5
# CHECK-GX-JSON-DAG:             "%34": 11
# CHECK-GX-JSON-DAG:             "%38": 5380
# CHECK-GX-JSON-DAG:             "%40": 7
# CHECK-GX-JSON-DAG:             "%43": 5378
# CHECK-GX-JSON-DAG:             "%61": 6
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 5380
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 5380
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%63:vgpr_32 = V_MOV_B32_e32 1000, 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": 9
# CHECK-GX-JSON-DAG:             "%11": 8
# CHECK-GX-JSON-DAG:             "%21": 4
# CHECK-GX-JSON-DAG:             "%34": 10
# CHECK-GX-JSON-DAG:             "%38": 5380
# CHECK-GX-JSON-DAG:             "%40": 6
# CHECK-GX-JSON-DAG:             "%43": 5378
# CHECK-GX-JSON-DAG:             "%61": 5
# CHECK-GX-JSON-DAG:             "%62": 3
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 5380
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 5380
# 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:             "%0": 8
# CHECK-GX-JSON-DAG:             "%11": 7
# CHECK-GX-JSON-DAG:             "%21": 3
# CHECK-GX-JSON-DAG:             "%34": 9
# CHECK-GX-JSON-DAG:             "%38": 5380
# CHECK-GX-JSON-DAG:             "%40": 5
# CHECK-GX-JSON-DAG:             "%43": 5378
# CHECK-GX-JSON-DAG:             "%61": 4
# CHECK-GX-JSON-DAG:             "%62": 2
# CHECK-GX-JSON-DAG:             "%63": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 5380
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 5380
# 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": "%57:vgpr_32 = GLOBAL_LOAD_DWORD %10, 0, 0, implicit $exec :: (load (s32) from %ir.p2, 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:             "%0": 36
# CHECK-GX-JSON-DAG:             "%1": 5
# CHECK-GX-JSON-DAG:             "%9": 2
# CHECK-GX-JSON-DAG:             "%10": 0
# CHECK-GX-JSON-DAG:             "%11": 35
# CHECK-GX-JSON-DAG:             "%20": 1
# CHECK-GX-JSON-DAG:             "%21": 29
# CHECK-GX-JSON-DAG:             "%34": 37
# CHECK-GX-JSON-DAG:             "%36": 23
# CHECK-GX-JSON-DAG:             "%38": 4
# CHECK-GX-JSON-DAG:             "%40": 3
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%46": 8
# CHECK-GX-JSON-DAG:             "%47": 11
# CHECK-GX-JSON-DAG:             "%48": 22
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6658
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6658
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%53:vgpr_32 = V_MUL_LO_U32_e64 %57, %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:             "%0": 35
# CHECK-GX-JSON-DAG:             "%1": 4
# CHECK-GX-JSON-DAG:             "%9": 1
# CHECK-GX-JSON-DAG:             "%11": 34
# CHECK-GX-JSON-DAG:             "%20": 0
# CHECK-GX-JSON-DAG:             "%21": 28
# CHECK-GX-JSON-DAG:             "%34": 36
# CHECK-GX-JSON-DAG:             "%36": 22
# CHECK-GX-JSON-DAG:             "%38": 3
# CHECK-GX-JSON-DAG:             "%40": 2
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%46": 7
# CHECK-GX-JSON-DAG:             "%47": 10
# CHECK-GX-JSON-DAG:             "%48": 21
# CHECK-GX-JSON-DAG:             "%57": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6658
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6658
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "GLOBAL_STORE_DWORD %9, %53, 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:             "%0": 34
# CHECK-GX-JSON-DAG:             "%1": 3
# CHECK-GX-JSON-DAG:             "%9": 0
# CHECK-GX-JSON-DAG:             "%11": 33
# CHECK-GX-JSON-DAG:             "%21": 27
# CHECK-GX-JSON-DAG:             "%34": 35
# CHECK-GX-JSON-DAG:             "%36": 21
# CHECK-GX-JSON-DAG:             "%38": 2
# CHECK-GX-JSON-DAG:             "%40": 1
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%46": 6
# CHECK-GX-JSON-DAG:             "%47": 9
# CHECK-GX-JSON-DAG:             "%48": 20
# CHECK-GX-JSON-DAG:             "%53": 0
# CHECK-GX-JSON-DAG:             "%57": 16
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6658
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6658
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%55:vgpr_32 = V_SUB_U32_e64 %53, %40, 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": 33
# CHECK-GX-JSON-DAG:             "%1": 2
# CHECK-GX-JSON-DAG:             "%9": 26
# CHECK-GX-JSON-DAG:             "%11": 32
# CHECK-GX-JSON-DAG:             "%21": 26
# CHECK-GX-JSON-DAG:             "%34": 34
# CHECK-GX-JSON-DAG:             "%36": 20
# CHECK-GX-JSON-DAG:             "%38": 1
# CHECK-GX-JSON-DAG:             "%40": 0
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%46": 5
# CHECK-GX-JSON-DAG:             "%47": 8
# CHECK-GX-JSON-DAG:             "%48": 19
# CHECK-GX-JSON-DAG:             "%53": 0
# CHECK-GX-JSON-DAG:             "%57": 15
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6658
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6658
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%60:vgpr_32 = V_ADD_U32_e64 1, %38, 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": 32
# CHECK-GX-JSON-DAG:             "%1": 1
# CHECK-GX-JSON-DAG:             "%9": 25
# CHECK-GX-JSON-DAG:             "%11": 31
# CHECK-GX-JSON-DAG:             "%21": 25
# CHECK-GX-JSON-DAG:             "%34": 33
# CHECK-GX-JSON-DAG:             "%36": 19
# CHECK-GX-JSON-DAG:             "%38": 0
# CHECK-GX-JSON-DAG:             "%40": 29
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%46": 4
# CHECK-GX-JSON-DAG:             "%47": 7
# CHECK-GX-JSON-DAG:             "%48": 18
# CHECK-GX-JSON-DAG:             "%53": 12
# CHECK-GX-JSON-DAG:             "%55": 13
# CHECK-GX-JSON-DAG:             "%57": 14
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6658
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%43",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6658
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%64:sreg_32 = V_CMP_GE_U32_e64 %60, %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:             "%0": 31
# CHECK-GX-JSON-DAG:             "%1": 0
# CHECK-GX-JSON-DAG:             "%9": 24
# CHECK-GX-JSON-DAG:             "%11": 30
# CHECK-GX-JSON-DAG:             "%21": 24
# CHECK-GX-JSON-DAG:             "%34": 32
# CHECK-GX-JSON-DAG:             "%36": 18
# CHECK-GX-JSON-DAG:             "%38": 6660
# CHECK-GX-JSON-DAG:             "%40": 28
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%46": 3
# CHECK-GX-JSON-DAG:             "%47": 6
# CHECK-GX-JSON-DAG:             "%48": 17
# CHECK-GX-JSON-DAG:             "%53": 11
# CHECK-GX-JSON-DAG:             "%55": 12
# CHECK-GX-JSON-DAG:             "%57": 13
# CHECK-GX-JSON-DAG:             "%60": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%59:vgpr_32 = V_MOV_B32_e32 52, 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": 30
# CHECK-GX-JSON-DAG:             "%9": 23
# CHECK-GX-JSON-DAG:             "%11": 29
# CHECK-GX-JSON-DAG:             "%21": 23
# CHECK-GX-JSON-DAG:             "%34": 31
# CHECK-GX-JSON-DAG:             "%36": 17
# CHECK-GX-JSON-DAG:             "%38": 6660
# CHECK-GX-JSON-DAG:             "%40": 27
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%46": 2
# CHECK-GX-JSON-DAG:             "%47": 5
# CHECK-GX-JSON-DAG:             "%48": 16
# CHECK-GX-JSON-DAG:             "%53": 10
# CHECK-GX-JSON-DAG:             "%55": 11
# CHECK-GX-JSON-DAG:             "%57": 12
# CHECK-GX-JSON-DAG:             "%60": 15
# CHECK-GX-JSON-DAG:             "%64": 3
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%58:vgpr_32 = V_MOV_B32_e32 13, 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": 29
# CHECK-GX-JSON-DAG:             "%9": 22
# CHECK-GX-JSON-DAG:             "%11": 28
# CHECK-GX-JSON-DAG:             "%21": 22
# CHECK-GX-JSON-DAG:             "%34": 30
# CHECK-GX-JSON-DAG:             "%36": 16
# CHECK-GX-JSON-DAG:             "%38": 6660
# CHECK-GX-JSON-DAG:             "%40": 26
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%46": 1
# CHECK-GX-JSON-DAG:             "%47": 4
# CHECK-GX-JSON-DAG:             "%48": 15
# CHECK-GX-JSON-DAG:             "%53": 9
# CHECK-GX-JSON-DAG:             "%55": 10
# CHECK-GX-JSON-DAG:             "%57": 11
# CHECK-GX-JSON-DAG:             "%59": 13
# CHECK-GX-JSON-DAG:             "%60": 14
# CHECK-GX-JSON-DAG:             "%64": 2
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%65:sreg_32 = S_ANDN2_B32 %46, $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:             "%0": 28
# CHECK-GX-JSON-DAG:             "%9": 21
# CHECK-GX-JSON-DAG:             "%11": 27
# CHECK-GX-JSON-DAG:             "%21": 21
# CHECK-GX-JSON-DAG:             "%34": 29
# CHECK-GX-JSON-DAG:             "%36": 15
# CHECK-GX-JSON-DAG:             "%38": 6660
# CHECK-GX-JSON-DAG:             "%40": 25
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%46": 0
# CHECK-GX-JSON-DAG:             "%47": 3
# CHECK-GX-JSON-DAG:             "%48": 14
# CHECK-GX-JSON-DAG:             "%53": 8
# CHECK-GX-JSON-DAG:             "%55": 9
# CHECK-GX-JSON-DAG:             "%57": 10
# CHECK-GX-JSON-DAG:             "%58": 11
# CHECK-GX-JSON-DAG:             "%59": 12
# CHECK-GX-JSON-DAG:             "%60": 13
# CHECK-GX-JSON-DAG:             "%64": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%66:sreg_32 = S_AND_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:             "%0": 27
# CHECK-GX-JSON-DAG:             "%9": 20
# CHECK-GX-JSON-DAG:             "%11": 26
# CHECK-GX-JSON-DAG:             "%21": 20
# CHECK-GX-JSON-DAG:             "%34": 28
# CHECK-GX-JSON-DAG:             "%36": 14
# CHECK-GX-JSON-DAG:             "%38": 6660
# CHECK-GX-JSON-DAG:             "%40": 24
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%47": 2
# CHECK-GX-JSON-DAG:             "%48": 13
# CHECK-GX-JSON-DAG:             "%53": 7
# CHECK-GX-JSON-DAG:             "%55": 8
# CHECK-GX-JSON-DAG:             "%57": 9
# CHECK-GX-JSON-DAG:             "%58": 10
# CHECK-GX-JSON-DAG:             "%59": 11
# CHECK-GX-JSON-DAG:             "%60": 12
# CHECK-GX-JSON-DAG:             "%64": 0
# CHECK-GX-JSON-DAG:             "%65": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%50:sreg_32 = S_OR_B32 %65, %66, 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:             "%0": 26
# CHECK-GX-JSON-DAG:             "%9": 19
# CHECK-GX-JSON-DAG:             "%11": 25
# CHECK-GX-JSON-DAG:             "%21": 19
# CHECK-GX-JSON-DAG:             "%34": 27
# CHECK-GX-JSON-DAG:             "%36": 13
# CHECK-GX-JSON-DAG:             "%38": 6660
# CHECK-GX-JSON-DAG:             "%40": 23
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%47": 1
# CHECK-GX-JSON-DAG:             "%48": 12
# CHECK-GX-JSON-DAG:             "%53": 6
# CHECK-GX-JSON-DAG:             "%55": 7
# CHECK-GX-JSON-DAG:             "%57": 8
# CHECK-GX-JSON-DAG:             "%58": 9
# CHECK-GX-JSON-DAG:             "%59": 10
# CHECK-GX-JSON-DAG:             "%60": 11
# CHECK-GX-JSON-DAG:             "%65": 0
# CHECK-GX-JSON-DAG:             "%66": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%67:sreg_32 = S_ANDN2_B32 %47, $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:             "%0": 25
# CHECK-GX-JSON-DAG:             "%9": 18
# CHECK-GX-JSON-DAG:             "%11": 24
# CHECK-GX-JSON-DAG:             "%21": 18
# CHECK-GX-JSON-DAG:             "%34": 26
# CHECK-GX-JSON-DAG:             "%36": 12
# CHECK-GX-JSON-DAG:             "%38": 6660
# CHECK-GX-JSON-DAG:             "%40": 22
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%47": 0
# CHECK-GX-JSON-DAG:             "%48": 11
# CHECK-GX-JSON-DAG:             "%50": 4
# CHECK-GX-JSON-DAG:             "%53": 5
# CHECK-GX-JSON-DAG:             "%55": 6
# CHECK-GX-JSON-DAG:             "%57": 7
# CHECK-GX-JSON-DAG:             "%58": 8
# CHECK-GX-JSON-DAG:             "%59": 9
# CHECK-GX-JSON-DAG:             "%60": 10
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%49:sreg_32 = COPY %67",
# 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": 24
# CHECK-GX-JSON-DAG:             "%9": 17
# CHECK-GX-JSON-DAG:             "%11": 23
# CHECK-GX-JSON-DAG:             "%21": 17
# CHECK-GX-JSON-DAG:             "%34": 25
# CHECK-GX-JSON-DAG:             "%36": 11
# CHECK-GX-JSON-DAG:             "%38": 6660
# CHECK-GX-JSON-DAG:             "%40": 21
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%48": 10
# CHECK-GX-JSON-DAG:             "%50": 3
# CHECK-GX-JSON-DAG:             "%53": 4
# CHECK-GX-JSON-DAG:             "%55": 5
# CHECK-GX-JSON-DAG:             "%57": 6
# CHECK-GX-JSON-DAG:             "%58": 7
# CHECK-GX-JSON-DAG:             "%59": 8
# CHECK-GX-JSON-DAG:             "%60": 9
# CHECK-GX-JSON-DAG:             "%67": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# 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:             "%0": 23
# CHECK-GX-JSON-DAG:             "%9": 16
# CHECK-GX-JSON-DAG:             "%11": 22
# CHECK-GX-JSON-DAG:             "%21": 16
# CHECK-GX-JSON-DAG:             "%34": 24
# CHECK-GX-JSON-DAG:             "%36": 10
# CHECK-GX-JSON-DAG:             "%38": 6660
# CHECK-GX-JSON-DAG:             "%40": 20
# CHECK-GX-JSON-DAG:             "%43": 6658
# CHECK-GX-JSON-DAG:             "%48": 9
# CHECK-GX-JSON-DAG:             "%49": 1
# CHECK-GX-JSON-DAG:             "%50": 2
# CHECK-GX-JSON-DAG:             "%53": 3
# CHECK-GX-JSON-DAG:             "%55": 4
# CHECK-GX-JSON-DAG:             "%57": 5
# CHECK-GX-JSON-DAG:             "%58": 6
# CHECK-GX-JSON-DAG:             "%59": 7
# CHECK-GX-JSON-DAG:             "%60": 8
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 6660
# 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": "%68:vgpr_32 = PHI %56, %bb.3, %63, %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:             "%0": 7
# CHECK-GX-JSON-DAG:             "%11": 6
# CHECK-GX-JSON-DAG:             "%21": 2
# CHECK-GX-JSON-DAG:             "%34": 8
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 4
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%61": 3
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%69:vgpr_32 = PHI %54, %bb.3, %62, %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:             "%0": 6
# CHECK-GX-JSON-DAG:             "%11": 5
# CHECK-GX-JSON-DAG:             "%21": 1
# CHECK-GX-JSON-DAG:             "%34": 7
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 3
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%61": 2
# CHECK-GX-JSON-DAG:             "%68": 4
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%70:vgpr_32 = PHI %51, %bb.3, %21, %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:             "%0": 5
# CHECK-GX-JSON-DAG:             "%11": 4
# CHECK-GX-JSON-DAG:             "%21": 0
# CHECK-GX-JSON-DAG:             "%34": 6
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 2
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%61": 1
# CHECK-GX-JSON-DAG:             "%68": 3
# CHECK-GX-JSON-DAG:             "%69": 4867
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %61, 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:             "%0": 4
# CHECK-GX-JSON-DAG:             "%11": 3
# CHECK-GX-JSON-DAG:             "%34": 5
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 1
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%61": 0
# CHECK-GX-JSON-DAG:             "%68": 2
# CHECK-GX-JSON-DAG:             "%69": 4867
# CHECK-GX-JSON-DAG:             "%70": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%42:vgpr_32 = V_ADD_U32_e64 1, %40, 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": 3
# CHECK-GX-JSON-DAG:             "%11": 2
# CHECK-GX-JSON-DAG:             "%34": 4
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%40": 0
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%68": 1
# CHECK-GX-JSON-DAG:             "%69": 4867
# CHECK-GX-JSON-DAG:             "%70": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%71:vgpr_32 = V_ADD_U32_e64 %68, %42, 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": 2
# CHECK-GX-JSON-DAG:             "%11": 1
# CHECK-GX-JSON-DAG:             "%34": 3
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%42": 0
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%68": 0
# CHECK-GX-JSON-DAG:             "%69": 4867
# CHECK-GX-JSON-DAG:             "%70": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "GLOBAL_STORE_DWORD %11, %71, 0, 0, implicit $exec :: (store (s32) into %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:             "%0": 1
# CHECK-GX-JSON-DAG:             "%11": 0
# CHECK-GX-JSON-DAG:             "%34": 2
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%42": 1
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%68": 4867
# CHECK-GX-JSON-DAG:             "%69": 4867
# CHECK-GX-JSON-DAG:             "%70": 4868
# CHECK-GX-JSON-DAG:             "%71": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%72:sreg_32 = V_CMP_GE_U32_e64 %42, %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:             "%34": 1
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%42": 0
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%68": 4867
# CHECK-GX-JSON-DAG:             "%69": 4867
# CHECK-GX-JSON-DAG:             "%70": 4868
# CHECK-GX-JSON-DAG:             "%71": 4866
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%35:sreg_32 = SI_IF_BREAK %72, %34, 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:             "%34": 0
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%68": 4867
# CHECK-GX-JSON-DAG:             "%69": 4867
# CHECK-GX-JSON-DAG:             "%70": 4868
# CHECK-GX-JSON-DAG:             "%71": 4866
# CHECK-GX-JSON-DAG:             "%72": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%45:vgpr_32 = V_MOV_B32_e32 13, 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:             "%35": 1
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%68": 4867
# CHECK-GX-JSON-DAG:             "%69": 4867
# CHECK-GX-JSON-DAG:             "%70": 4868
# CHECK-GX-JSON-DAG:             "%71": 4866
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "SI_LOOP %35, %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:             "%35": 0
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%68": 4867
# CHECK-GX-JSON-DAG:             "%69": 4867
# CHECK-GX-JSON-DAG:             "%70": 4868
# CHECK-GX-JSON-DAG:             "%71": 4866
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# 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:             "%35": 4865
# CHECK-GX-JSON-DAG:             "%38": 4868
# CHECK-GX-JSON-DAG:             "%43": 4866
# CHECK-GX-JSON-DAG:             "%68": 4867
# CHECK-GX-JSON-DAG:             "%69": 4867
# CHECK-GX-JSON-DAG:             "%70": 4868
# CHECK-GX-JSON-DAG:             "%71": 4866
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4868
# 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": "SI_END_CF %35, 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:             "%35": 0
# CHECK-GX-JSON-DAG:             "%38": 3
# CHECK-GX-JSON-DAG:             "%43": 1
# CHECK-GX-JSON-DAG:             "%68": 2
# CHECK-GX-JSON-DAG:             "%69": 2
# CHECK-GX-JSON-DAG:             "%70": 3
# CHECK-GX-JSON-DAG:             "%71": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# 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": "%38",
# 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:          "instr": "%73:vgpr_32 = V_ADD3_U32_e64 %71, %43, %71, 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:             "%38": 2
# CHECK-GX-JSON-DAG:             "%43": 0
# CHECK-GX-JSON-DAG:             "%68": 1
# CHECK-GX-JSON-DAG:             "%69": 1
# CHECK-GX-JSON-DAG:             "%70": 2
# CHECK-GX-JSON-DAG:             "%71": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# 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": "%38",
# 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": "%74:vgpr_32 = V_ADD3_U32_e64 %73, %68, %69, 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:             "%38": 1
# CHECK-GX-JSON-DAG:             "%68": 0
# CHECK-GX-JSON-DAG:             "%69": 0
# CHECK-GX-JSON-DAG:             "%70": 1
# CHECK-GX-JSON-DAG:             "%73": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# 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": "%38",
# 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": "%75:vgpr_32 = V_ADD3_U32_e64 %74, %70, %38, 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:             "%38": 0
# CHECK-GX-JSON-DAG:             "%70": 0
# CHECK-GX-JSON-DAG:             "%74": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%38",
# 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": "%38",
# 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": "%76:sreg_32_xm0 = V_READFIRSTLANE_B32 %75, implicit $exec",
# CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "distances": {
# CHECK-GX-JSON-DAG:             "%75": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%75",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%75",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 0
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "$sgpr0 = COPY %76",
# 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:             "%76": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%76",
# 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": "%76",
# 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:    },
# CHECK-GX-JSON-NEXT:    "distance-from-def-to-closest-use": {
# CHECK-GX-JSON-DAG:       "%0": 59,
# CHECK-GX-JSON-DAG:       "%1": 41,
# CHECK-GX-JSON-DAG:       "%2": 10,
# CHECK-GX-JSON-DAG:       "%3": 6,
# CHECK-GX-JSON-DAG:       "%4": 5,
# CHECK-GX-JSON-DAG:       "%5": 5,
# CHECK-GX-JSON-DAG:       "%6": 4,
# CHECK-GX-JSON-DAG:       "%7": 4,
# CHECK-GX-JSON-DAG:       "%8": 3,
# CHECK-GX-JSON-DAG:       "%9": 30,
# CHECK-GX-JSON-DAG:       "%10": 27,
# CHECK-GX-JSON-DAG:       "%11": 3,
# CHECK-GX-JSON-DAG:       "%12": 1,
# CHECK-GX-JSON-DAG:       "%13": 22,
# CHECK-GX-JSON-DAG:       "%14": 2,
# CHECK-GX-JSON-DAG:       "%15": 1,
# CHECK-GX-JSON-DAG:       "%16": 4,
# CHECK-GX-JSON-DAG:       "%17": 2,
# CHECK-GX-JSON-DAG:       "%18": 1,
# CHECK-GX-JSON-DAG:       "%19": 1,
# CHECK-GX-JSON-DAG:       "%20": 1,
# CHECK-GX-JSON-DAG:       "%21": 31,
# CHECK-GX-JSON-DAG:       "%22": 10,
# CHECK-GX-JSON-DAG:       "%23": 8,
# CHECK-GX-JSON-DAG:       "%24": 4,
# CHECK-GX-JSON-DAG:       "%25": 5,
# CHECK-GX-JSON-DAG:       "%26": 8,
# CHECK-GX-JSON-DAG:       "%30": 6,
# CHECK-GX-JSON-DAG:       "%34": 0,
# CHECK-GX-JSON-DAG:       "%36": 17,
# CHECK-GX-JSON-DAG:       "%38": 11,
# CHECK-GX-JSON-DAG:       "%40": 9,
# CHECK-GX-JSON-DAG:       "%43": 4866,
# CHECK-GX-JSON-DAG:       "%46": 5,
# CHECK-GX-JSON-DAG:       "%47": 3,
# CHECK-GX-JSON-DAG:       "%48": 10,
# CHECK-GX-JSON-DAG:       "%28": 13,
# CHECK-GX-JSON-DAG:       "%32": 8,
# CHECK-GX-JSON-DAG:       "%51": 15,
# CHECK-GX-JSON-DAG:       "%54": 13,
# CHECK-GX-JSON-DAG:       "%56": 11,
# CHECK-GX-JSON-DAG:       "%44": "<unreachable>",
# CHECK-GX-JSON-DAG:       "%41": "<unreachable>",
# CHECK-GX-JSON-DAG:       "%39": "<unreachable>",
# CHECK-GX-JSON-DAG:       "%37": 1,
# CHECK-GX-JSON-DAG:       "%61": 5,
# CHECK-GX-JSON-DAG:       "%62": 4,
# CHECK-GX-JSON-DAG:       "%63": 2,
# CHECK-GX-JSON-DAG:       "%57": 1,
# CHECK-GX-JSON-DAG:       "%53": 1,
# CHECK-GX-JSON-DAG:       "%55": 14,
# CHECK-GX-JSON-DAG:       "%60": 1,
# CHECK-GX-JSON-DAG:       "%64": 4,
# CHECK-GX-JSON-DAG:       "%59": 14,
# CHECK-GX-JSON-DAG:       "%58": 12,
# CHECK-GX-JSON-DAG:       "%65": 2,
# CHECK-GX-JSON-DAG:       "%66": 1,
# CHECK-GX-JSON-DAG:       "%50": 5,
# CHECK-GX-JSON-DAG:       "%67": 1,
# CHECK-GX-JSON-DAG:       "%49": 2,
# CHECK-GX-JSON-DAG:       "%68": 5,
# CHECK-GX-JSON-DAG:       "%69": 4867,
# CHECK-GX-JSON-DAG:       "%70": 4868,
# CHECK-GX-JSON-DAG:       "%42": 1,
# CHECK-GX-JSON-DAG:       "%71": 1,
# CHECK-GX-JSON-DAG:       "%72": 1,
# CHECK-GX-JSON-DAG:       "%35": 2,
# CHECK-GX-JSON-DAG:       "%45": "<unreachable>",
# CHECK-GX-JSON-DAG:       "%73": 1,
# CHECK-GX-JSON-DAG:       "%74": 1,
# CHECK-GX-JSON-DAG:       "%75": 1,
# CHECK-GX-JSON-DAG:       "%76": 1
# 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 $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-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 $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": 24
# 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": 24
# 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": 24
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%2: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": 23
# CHECK-CP-JSON-DAG:             "%1": 23
# 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": 23
# 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": 23
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%3: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": 22
# CHECK-CP-JSON-DAG:             "%1": 22
# CHECK-CP-JSON-DAG:             "%2": 9
# 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": 22
# 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": 22
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%4: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": 21
# CHECK-CP-JSON-DAG:             "%1": 21
# CHECK-CP-JSON-DAG:             "%2": 8
# CHECK-CP-JSON-DAG:             "%3": 5
# 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": 21
# 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": 21
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%5: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": 20
# CHECK-CP-JSON-DAG:             "%1": 20
# CHECK-CP-JSON-DAG:             "%2": 7
# CHECK-CP-JSON-DAG:             "%3": 4
# CHECK-CP-JSON-DAG:             "%4": 4
# 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": 20
# 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": 20
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%6: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": 19
# CHECK-CP-JSON-DAG:             "%1": 19
# CHECK-CP-JSON-DAG:             "%2": 6
# CHECK-CP-JSON-DAG:             "%3": 3
# CHECK-CP-JSON-DAG:             "%4": 3
# CHECK-CP-JSON-DAG:             "%5": 4
# 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": 19
# 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": 19
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%7: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": 18
# CHECK-CP-JSON-DAG:             "%1": 18
# CHECK-CP-JSON-DAG:             "%2": 5
# CHECK-CP-JSON-DAG:             "%3": 2
# CHECK-CP-JSON-DAG:             "%4": 2
# CHECK-CP-JSON-DAG:             "%5": 3
# CHECK-CP-JSON-DAG:             "%6": 3
# 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": 18
# 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": 18
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%8: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": 17
# CHECK-CP-JSON-DAG:             "%1": 17
# CHECK-CP-JSON-DAG:             "%2": 4
# CHECK-CP-JSON-DAG:             "%3": 1
# CHECK-CP-JSON-DAG:             "%4": 1
# CHECK-CP-JSON-DAG:             "%5": 2
# CHECK-CP-JSON-DAG:             "%6": 2
# CHECK-CP-JSON-DAG:             "%7": 3
# 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": 17
# 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": 17
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%9:vreg_64 = REG_SEQUENCE %4, %subreg.sub0, %3, %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": 16
# CHECK-CP-JSON-DAG:             "%1": 16
# CHECK-CP-JSON-DAG:             "%2": 3
# CHECK-CP-JSON-DAG:             "%3": 0
# CHECK-CP-JSON-DAG:             "%4": 0
# 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:               },
# 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": 16
# 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": 16
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%10: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": 15
# CHECK-CP-JSON-DAG:             "%1": 15
# CHECK-CP-JSON-DAG:             "%2": 2
# 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": 15
# 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": 15
# 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": 15
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%11: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": 14
# CHECK-CP-JSON-DAG:             "%1": 14
# CHECK-CP-JSON-DAG:             "%2": 1
# CHECK-CP-JSON-DAG:             "%7": 0
# CHECK-CP-JSON-DAG:             "%8": 0
# CHECK-CP-JSON-DAG:             "%9": 14
# CHECK-CP-JSON-DAG:             "%10": 14
# 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": 14
# 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": 14
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%12:vgpr_32 = V_AND_B32_e64 1, %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:             "%0": 13
# CHECK-CP-JSON-DAG:             "%1": 13
# CHECK-CP-JSON-DAG:             "%2": 0
# CHECK-CP-JSON-DAG:             "%9": 13
# CHECK-CP-JSON-DAG:             "%10": 13
# CHECK-CP-JSON-DAG:             "%11": 2
# 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": "%13:sreg_32 = V_CMP_NE_U32_e64 1, %12, 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": 12
# CHECK-CP-JSON-DAG:             "%1": 12
# CHECK-CP-JSON-DAG:             "%9": 12
# CHECK-CP-JSON-DAG:             "%10": 12
# CHECK-CP-JSON-DAG:             "%11": 1
# CHECK-CP-JSON-DAG:             "%12": 0
# 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": 12
# 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": 12
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%14:vgpr_32 = GLOBAL_LOAD_UBYTE %11, 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:             "%0": 11
# CHECK-CP-JSON-DAG:             "%1": 11
# CHECK-CP-JSON-DAG:             "%9": 11
# CHECK-CP-JSON-DAG:             "%10": 11
# CHECK-CP-JSON-DAG:             "%11": 0
# CHECK-CP-JSON-DAG:             "%13": 11
# 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": 11
# 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": 11
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%15:vgpr_32 = GLOBAL_LOAD_UBYTE %11, 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:             "%0": 10
# CHECK-CP-JSON-DAG:             "%1": 10
# CHECK-CP-JSON-DAG:             "%9": 10
# CHECK-CP-JSON-DAG:             "%10": 10
# CHECK-CP-JSON-DAG:             "%11": 0
# CHECK-CP-JSON-DAG:             "%13": 10
# CHECK-CP-JSON-DAG:             "%14": 1
# 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": 10
# 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": 10
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%16:vgpr_32 = V_LSHL_OR_B32_e64 %15, 8, %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:             "%0": 9
# CHECK-CP-JSON-DAG:             "%1": 9
# CHECK-CP-JSON-DAG:             "%9": 9
# CHECK-CP-JSON-DAG:             "%10": 9
# CHECK-CP-JSON-DAG:             "%11": 1
# CHECK-CP-JSON-DAG:             "%13": 9
# CHECK-CP-JSON-DAG:             "%14": 0
# CHECK-CP-JSON-DAG:             "%15": 0
# 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": 9
# 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": 9
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%17:vgpr_32 = GLOBAL_LOAD_UBYTE %11, 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:             "%0": 8
# CHECK-CP-JSON-DAG:             "%1": 8
# CHECK-CP-JSON-DAG:             "%9": 8
# CHECK-CP-JSON-DAG:             "%10": 8
# CHECK-CP-JSON-DAG:             "%11": 0
# CHECK-CP-JSON-DAG:             "%13": 8
# CHECK-CP-JSON-DAG:             "%16": 3
# 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": 8
# 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": 8
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%18:vgpr_32 = GLOBAL_LOAD_UBYTE %11, 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:             "%0": 7
# CHECK-CP-JSON-DAG:             "%1": 7
# CHECK-CP-JSON-DAG:             "%9": 7
# CHECK-CP-JSON-DAG:             "%10": 7
# CHECK-CP-JSON-DAG:             "%11": 0
# CHECK-CP-JSON-DAG:             "%13": 7
# CHECK-CP-JSON-DAG:             "%16": 2
# CHECK-CP-JSON-DAG:             "%17": 1
# 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": 7
# 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": 7
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%19:vgpr_32 = V_LSHL_OR_B32_e64 %18, 8, %17, 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": 6
# CHECK-CP-JSON-DAG:             "%1": 6
# CHECK-CP-JSON-DAG:             "%9": 6
# CHECK-CP-JSON-DAG:             "%10": 6
# CHECK-CP-JSON-DAG:             "%11": 6
# CHECK-CP-JSON-DAG:             "%13": 6
# CHECK-CP-JSON-DAG:             "%16": 1
# CHECK-CP-JSON-DAG:             "%17": 0
# CHECK-CP-JSON-DAG:             "%18": 0
# 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": 6
# 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": 6
# 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, 16, %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:             "%0": 5
# CHECK-CP-JSON-DAG:             "%1": 5
# CHECK-CP-JSON-DAG:             "%9": 5
# CHECK-CP-JSON-DAG:             "%10": 5
# CHECK-CP-JSON-DAG:             "%11": 5
# CHECK-CP-JSON-DAG:             "%13": 5
# CHECK-CP-JSON-DAG:             "%16": 0
# CHECK-CP-JSON-DAG:             "%19": 0
# 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": 5
# 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": 5
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%21:vgpr_32 = V_ADD_U32_e64 500, %20, 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": 4
# CHECK-CP-JSON-DAG:             "%1": 4
# CHECK-CP-JSON-DAG:             "%9": 4
# CHECK-CP-JSON-DAG:             "%10": 4
# CHECK-CP-JSON-DAG:             "%11": 4
# CHECK-CP-JSON-DAG:             "%13": 4
# CHECK-CP-JSON-DAG:             "%20": 0
# 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": 4
# 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": 4
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%22:vgpr_32 = V_MOV_B32_e32 7, 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": 3
# CHECK-CP-JSON-DAG:             "%1": 3
# CHECK-CP-JSON-DAG:             "%9": 3
# CHECK-CP-JSON-DAG:             "%10": 3
# CHECK-CP-JSON-DAG:             "%11": 3
# CHECK-CP-JSON-DAG:             "%13": 3
# CHECK-CP-JSON-DAG:             "%20": 3
# CHECK-CP-JSON-DAG:             "%21": 3
# 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": 3
# 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": 3
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%23:vgpr_32 = V_MOV_B32_e32 10, 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": 2
# CHECK-CP-JSON-DAG:             "%1": 2
# CHECK-CP-JSON-DAG:             "%9": 2
# CHECK-CP-JSON-DAG:             "%10": 2
# CHECK-CP-JSON-DAG:             "%11": 2
# CHECK-CP-JSON-DAG:             "%13": 2
# CHECK-CP-JSON-DAG:             "%20": 2
# CHECK-CP-JSON-DAG:             "%21": 2
# CHECK-CP-JSON-DAG:             "%22": 2
# 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": 2
# 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": 2
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%24: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:             "%0": 1
# CHECK-CP-JSON-DAG:             "%1": 1
# CHECK-CP-JSON-DAG:             "%9": 1
# CHECK-CP-JSON-DAG:             "%10": 1
# CHECK-CP-JSON-DAG:             "%11": 1
# CHECK-CP-JSON-DAG:             "%13": 1
# CHECK-CP-JSON-DAG:             "%20": 1
# CHECK-CP-JSON-DAG:             "%21": 1
# CHECK-CP-JSON-DAG:             "%22": 1
# CHECK-CP-JSON-DAG:             "%23": 1
# 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": 1
# 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": 1
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%25:vgpr_32 = V_MOV_B32_e32 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": 0
# CHECK-CP-JSON-DAG:             "%9": 0
# CHECK-CP-JSON-DAG:             "%10": 0
# CHECK-CP-JSON-DAG:             "%11": 0
# CHECK-CP-JSON-DAG:             "%13": 0
# CHECK-CP-JSON-DAG:             "%20": 0
# CHECK-CP-JSON-DAG:             "%21": 0
# CHECK-CP-JSON-DAG:             "%22": 0
# CHECK-CP-JSON-DAG:             "%23": 0
# CHECK-CP-JSON-DAG:             "%24": 0
# 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": 0
# 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": 0
# 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": "%26:sreg_32 = PHI undef %27:sreg_32, %bb.0, %28, %bb.2, undef %29:sreg_32, %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:             "%0": 15
# CHECK-CP-JSON-DAG:             "%1": 9
# CHECK-CP-JSON-DAG:             "%9": 6
# CHECK-CP-JSON-DAG:             "%10": 4
# CHECK-CP-JSON-DAG:             "%11": 14
# CHECK-CP-JSON-DAG:             "%13": 2
# CHECK-CP-JSON-DAG:             "%20": 5
# CHECK-CP-JSON-DAG:             "%21": 11
# CHECK-CP-JSON-DAG:             "%24": 19
# CHECK-CP-JSON-DAG:             "%25": 19
# 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": 19
# 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": 19
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%30:sreg_32 = PHI undef %31:sreg_32, %bb.0, %32, %bb.2, undef %33:sreg_32, %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:             "%0": 15
# CHECK-CP-JSON-DAG:             "%1": 9
# CHECK-CP-JSON-DAG:             "%9": 6
# CHECK-CP-JSON-DAG:             "%10": 4
# CHECK-CP-JSON-DAG:             "%11": 14
# CHECK-CP-JSON-DAG:             "%13": 2
# CHECK-CP-JSON-DAG:             "%20": 5
# CHECK-CP-JSON-DAG:             "%21": 11
# CHECK-CP-JSON-DAG:             "%24": 19
# CHECK-CP-JSON-DAG:             "%25": 19
# CHECK-CP-JSON-DAG:             "%26": 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": 19
# 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": 19
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%34:sreg_32 = PHI %24, %bb.0, %34, %bb.2, %35, %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:             "%0": 15
# CHECK-CP-JSON-DAG:             "%1": 9
# CHECK-CP-JSON-DAG:             "%9": 6
# CHECK-CP-JSON-DAG:             "%10": 4
# CHECK-CP-JSON-DAG:             "%11": 14
# CHECK-CP-JSON-DAG:             "%13": 2
# CHECK-CP-JSON-DAG:             "%20": 5
# CHECK-CP-JSON-DAG:             "%21": 11
# CHECK-CP-JSON-DAG:             "%24": 19
# CHECK-CP-JSON-DAG:             "%25": 19
# CHECK-CP-JSON-DAG:             "%26": 1
# CHECK-CP-JSON-DAG:             "%30": 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": 19
# 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": 19
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%36:sreg_32 = PHI %24, %bb.0, %37, %bb.2, %24, %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:             "%0": 15
# CHECK-CP-JSON-DAG:             "%1": 9
# CHECK-CP-JSON-DAG:             "%9": 6
# CHECK-CP-JSON-DAG:             "%10": 4
# CHECK-CP-JSON-DAG:             "%11": 14
# CHECK-CP-JSON-DAG:             "%13": 2
# CHECK-CP-JSON-DAG:             "%20": 5
# CHECK-CP-JSON-DAG:             "%21": 11
# CHECK-CP-JSON-DAG:             "%24": 19
# CHECK-CP-JSON-DAG:             "%25": 19
# CHECK-CP-JSON-DAG:             "%26": 1
# CHECK-CP-JSON-DAG:             "%30": 0
# CHECK-CP-JSON-DAG:             "%34": 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": 19
# 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": 19
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%38:vgpr_32 = PHI %25, %bb.0, %39, %bb.2, %25, %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:             "%0": 15
# CHECK-CP-JSON-DAG:             "%1": 9
# CHECK-CP-JSON-DAG:             "%9": 6
# CHECK-CP-JSON-DAG:             "%10": 4
# CHECK-CP-JSON-DAG:             "%11": 14
# CHECK-CP-JSON-DAG:             "%13": 2
# CHECK-CP-JSON-DAG:             "%20": 5
# CHECK-CP-JSON-DAG:             "%21": 11
# CHECK-CP-JSON-DAG:             "%24": 19
# CHECK-CP-JSON-DAG:             "%25": 19
# CHECK-CP-JSON-DAG:             "%26": 1
# CHECK-CP-JSON-DAG:             "%30": 0
# CHECK-CP-JSON-DAG:             "%34": 7
# CHECK-CP-JSON-DAG:             "%36": 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": 19
# 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": 19
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%40:vgpr_32 = PHI %23, %bb.0, %41, %bb.2, %42, %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:             "%0": 15
# CHECK-CP-JSON-DAG:             "%1": 9
# CHECK-CP-JSON-DAG:             "%9": 6
# CHECK-CP-JSON-DAG:             "%10": 4
# CHECK-CP-JSON-DAG:             "%11": 14
# CHECK-CP-JSON-DAG:             "%13": 2
# CHECK-CP-JSON-DAG:             "%20": 5
# CHECK-CP-JSON-DAG:             "%21": 11
# CHECK-CP-JSON-DAG:             "%24": 19
# CHECK-CP-JSON-DAG:             "%25": 19
# CHECK-CP-JSON-DAG:             "%26": 1
# CHECK-CP-JSON-DAG:             "%30": 0
# CHECK-CP-JSON-DAG:             "%34": 7
# CHECK-CP-JSON-DAG:             "%36": 5
# CHECK-CP-JSON-DAG:             "%38": 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": 19
# 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": 19
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%43:vgpr_32 = PHI %22, %bb.0, %44, %bb.2, %45, %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:             "%0": 15
# CHECK-CP-JSON-DAG:             "%1": 9
# CHECK-CP-JSON-DAG:             "%9": 6
# CHECK-CP-JSON-DAG:             "%10": 4
# CHECK-CP-JSON-DAG:             "%11": 14
# CHECK-CP-JSON-DAG:             "%13": 2
# CHECK-CP-JSON-DAG:             "%20": 5
# CHECK-CP-JSON-DAG:             "%21": 11
# CHECK-CP-JSON-DAG:             "%24": 19
# CHECK-CP-JSON-DAG:             "%25": 19
# CHECK-CP-JSON-DAG:             "%26": 1
# CHECK-CP-JSON-DAG:             "%30": 0
# CHECK-CP-JSON-DAG:             "%34": 7
# CHECK-CP-JSON-DAG:             "%36": 5
# CHECK-CP-JSON-DAG:             "%38": 8
# CHECK-CP-JSON-DAG:             "%40": 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": 19
# 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": 19
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%46:sreg_32 = S_OR_B32 %30, $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:             "%0": 15
# CHECK-CP-JSON-DAG:             "%1": 9
# CHECK-CP-JSON-DAG:             "%9": 6
# CHECK-CP-JSON-DAG:             "%10": 4
# CHECK-CP-JSON-DAG:             "%11": 14
# CHECK-CP-JSON-DAG:             "%13": 2
# CHECK-CP-JSON-DAG:             "%20": 5
# CHECK-CP-JSON-DAG:             "%21": 11
# CHECK-CP-JSON-DAG:             "%24": 19
# CHECK-CP-JSON-DAG:             "%25": 19
# CHECK-CP-JSON-DAG:             "%26": 1
# CHECK-CP-JSON-DAG:             "%30": 0
# CHECK-CP-JSON-DAG:             "%34": 7
# CHECK-CP-JSON-DAG:             "%36": 5
# CHECK-CP-JSON-DAG:             "%38": 8
# CHECK-CP-JSON-DAG:             "%40": 7
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2562
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2562
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%47:sreg_32 = S_OR_B32 %26, $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:             "%0": 14
# CHECK-CP-JSON-DAG:             "%1": 8
# CHECK-CP-JSON-DAG:             "%9": 5
# CHECK-CP-JSON-DAG:             "%10": 3
# CHECK-CP-JSON-DAG:             "%11": 13
# CHECK-CP-JSON-DAG:             "%13": 1
# CHECK-CP-JSON-DAG:             "%20": 4
# CHECK-CP-JSON-DAG:             "%21": 10
# CHECK-CP-JSON-DAG:             "%24": 18
# CHECK-CP-JSON-DAG:             "%25": 18
# CHECK-CP-JSON-DAG:             "%26": 0
# CHECK-CP-JSON-DAG:             "%34": 6
# CHECK-CP-JSON-DAG:             "%36": 4
# CHECK-CP-JSON-DAG:             "%38": 7
# CHECK-CP-JSON-DAG:             "%40": 6
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%46": 2
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2562
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2562
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%48:sreg_32 = SI_IF %13, %bb.2, 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:             "%0": 13
# CHECK-CP-JSON-DAG:             "%1": 7
# CHECK-CP-JSON-DAG:             "%9": 4
# CHECK-CP-JSON-DAG:             "%10": 2
# CHECK-CP-JSON-DAG:             "%11": 12
# CHECK-CP-JSON-DAG:             "%13": 0
# CHECK-CP-JSON-DAG:             "%20": 3
# CHECK-CP-JSON-DAG:             "%21": 9
# CHECK-CP-JSON-DAG:             "%24": 17
# CHECK-CP-JSON-DAG:             "%25": 17
# CHECK-CP-JSON-DAG:             "%34": 5
# CHECK-CP-JSON-DAG:             "%36": 3
# CHECK-CP-JSON-DAG:             "%38": 6
# CHECK-CP-JSON-DAG:             "%40": 5
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%46": 1
# CHECK-CP-JSON-DAG:             "%47": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2562
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2562
# 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:             "%0": 12
# CHECK-CP-JSON-DAG:             "%1": 6
# CHECK-CP-JSON-DAG:             "%9": 3
# CHECK-CP-JSON-DAG:             "%10": 1
# CHECK-CP-JSON-DAG:             "%11": 11
# CHECK-CP-JSON-DAG:             "%13": 7
# CHECK-CP-JSON-DAG:             "%20": 2
# CHECK-CP-JSON-DAG:             "%21": 8
# CHECK-CP-JSON-DAG:             "%24": 16
# CHECK-CP-JSON-DAG:             "%25": 16
# CHECK-CP-JSON-DAG:             "%34": 4
# CHECK-CP-JSON-DAG:             "%36": 2
# CHECK-CP-JSON-DAG:             "%38": 5
# CHECK-CP-JSON-DAG:             "%40": 4
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%46": 0
# CHECK-CP-JSON-DAG:             "%47": 0
# CHECK-CP-JSON-DAG:             "%48": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2562
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2562
# 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": "%28:sreg_32 = PHI %47, %bb.1, %49, %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:             "%0": 11
# CHECK-CP-JSON-DAG:             "%1": 13
# CHECK-CP-JSON-DAG:             "%9": 7
# CHECK-CP-JSON-DAG:             "%10": 8
# CHECK-CP-JSON-DAG:             "%11": 10
# CHECK-CP-JSON-DAG:             "%13": 6
# CHECK-CP-JSON-DAG:             "%20": 9
# CHECK-CP-JSON-DAG:             "%21": 7
# CHECK-CP-JSON-DAG:             "%24": 15
# CHECK-CP-JSON-DAG:             "%25": 15
# CHECK-CP-JSON-DAG:             "%34": 12
# CHECK-CP-JSON-DAG:             "%36": 1
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 8
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%48": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%32:sreg_32 = PHI %46, %bb.1, %50, %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:             "%0": 11
# CHECK-CP-JSON-DAG:             "%1": 13
# CHECK-CP-JSON-DAG:             "%9": 7
# CHECK-CP-JSON-DAG:             "%10": 8
# CHECK-CP-JSON-DAG:             "%11": 10
# CHECK-CP-JSON-DAG:             "%13": 6
# CHECK-CP-JSON-DAG:             "%20": 9
# CHECK-CP-JSON-DAG:             "%21": 7
# CHECK-CP-JSON-DAG:             "%24": 15
# CHECK-CP-JSON-DAG:             "%25": 15
# CHECK-CP-JSON-DAG:             "%28": 3
# CHECK-CP-JSON-DAG:             "%34": 12
# CHECK-CP-JSON-DAG:             "%36": 1
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 8
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%48": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%51:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %53, %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:             "%0": 11
# CHECK-CP-JSON-DAG:             "%1": 13
# CHECK-CP-JSON-DAG:             "%9": 7
# CHECK-CP-JSON-DAG:             "%10": 8
# CHECK-CP-JSON-DAG:             "%11": 10
# CHECK-CP-JSON-DAG:             "%13": 6
# CHECK-CP-JSON-DAG:             "%20": 9
# CHECK-CP-JSON-DAG:             "%21": 7
# CHECK-CP-JSON-DAG:             "%24": 15
# CHECK-CP-JSON-DAG:             "%25": 15
# CHECK-CP-JSON-DAG:             "%28": 3
# CHECK-CP-JSON-DAG:             "%32": 1
# CHECK-CP-JSON-DAG:             "%34": 12
# CHECK-CP-JSON-DAG:             "%36": 1
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 8
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%48": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%54:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %55, %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:             "%0": 11
# CHECK-CP-JSON-DAG:             "%1": 13
# CHECK-CP-JSON-DAG:             "%9": 7
# CHECK-CP-JSON-DAG:             "%10": 8
# CHECK-CP-JSON-DAG:             "%11": 10
# CHECK-CP-JSON-DAG:             "%13": 6
# CHECK-CP-JSON-DAG:             "%20": 9
# CHECK-CP-JSON-DAG:             "%21": 7
# CHECK-CP-JSON-DAG:             "%24": 15
# CHECK-CP-JSON-DAG:             "%25": 15
# CHECK-CP-JSON-DAG:             "%28": 3
# CHECK-CP-JSON-DAG:             "%32": 1
# CHECK-CP-JSON-DAG:             "%34": 12
# CHECK-CP-JSON-DAG:             "%36": 1
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 8
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%48": 0
# CHECK-CP-JSON-DAG:             "%51": 6
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%56:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %57, %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:             "%0": 11
# CHECK-CP-JSON-DAG:             "%1": 13
# CHECK-CP-JSON-DAG:             "%9": 7
# CHECK-CP-JSON-DAG:             "%10": 8
# CHECK-CP-JSON-DAG:             "%11": 10
# CHECK-CP-JSON-DAG:             "%13": 6
# CHECK-CP-JSON-DAG:             "%20": 9
# CHECK-CP-JSON-DAG:             "%21": 7
# CHECK-CP-JSON-DAG:             "%24": 15
# CHECK-CP-JSON-DAG:             "%25": 15
# CHECK-CP-JSON-DAG:             "%28": 3
# CHECK-CP-JSON-DAG:             "%32": 1
# CHECK-CP-JSON-DAG:             "%34": 12
# CHECK-CP-JSON-DAG:             "%36": 1
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 8
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%48": 0
# CHECK-CP-JSON-DAG:             "%51": 6
# CHECK-CP-JSON-DAG:             "%54": 6
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%44:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %58, %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:             "%0": 11
# CHECK-CP-JSON-DAG:             "%1": 13
# CHECK-CP-JSON-DAG:             "%9": 7
# CHECK-CP-JSON-DAG:             "%10": 8
# CHECK-CP-JSON-DAG:             "%11": 10
# CHECK-CP-JSON-DAG:             "%13": 6
# CHECK-CP-JSON-DAG:             "%20": 9
# CHECK-CP-JSON-DAG:             "%21": 7
# CHECK-CP-JSON-DAG:             "%24": 15
# CHECK-CP-JSON-DAG:             "%25": 15
# CHECK-CP-JSON-DAG:             "%28": 3
# CHECK-CP-JSON-DAG:             "%32": 1
# CHECK-CP-JSON-DAG:             "%34": 12
# CHECK-CP-JSON-DAG:             "%36": 1
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 8
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%48": 0
# CHECK-CP-JSON-DAG:             "%51": 6
# CHECK-CP-JSON-DAG:             "%54": 6
# CHECK-CP-JSON-DAG:             "%56": 6
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%41:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %59, %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:             "%0": 11
# CHECK-CP-JSON-DAG:             "%1": 13
# CHECK-CP-JSON-DAG:             "%9": 7
# CHECK-CP-JSON-DAG:             "%10": 8
# CHECK-CP-JSON-DAG:             "%11": 10
# CHECK-CP-JSON-DAG:             "%13": 6
# CHECK-CP-JSON-DAG:             "%20": 9
# CHECK-CP-JSON-DAG:             "%21": 7
# CHECK-CP-JSON-DAG:             "%24": 15
# CHECK-CP-JSON-DAG:             "%25": 15
# CHECK-CP-JSON-DAG:             "%28": 3
# CHECK-CP-JSON-DAG:             "%32": 1
# CHECK-CP-JSON-DAG:             "%34": 12
# CHECK-CP-JSON-DAG:             "%36": 1
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 8
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%44": 3
# CHECK-CP-JSON-DAG:             "%48": 0
# CHECK-CP-JSON-DAG:             "%51": 6
# CHECK-CP-JSON-DAG:             "%54": 6
# CHECK-CP-JSON-DAG:             "%56": 6
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%39:vgpr_32 = PHI undef %52:vgpr_32, %bb.1, %60, %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:             "%0": 11
# CHECK-CP-JSON-DAG:             "%1": 13
# CHECK-CP-JSON-DAG:             "%9": 7
# CHECK-CP-JSON-DAG:             "%10": 8
# CHECK-CP-JSON-DAG:             "%11": 10
# CHECK-CP-JSON-DAG:             "%13": 6
# CHECK-CP-JSON-DAG:             "%20": 9
# CHECK-CP-JSON-DAG:             "%21": 7
# CHECK-CP-JSON-DAG:             "%24": 15
# CHECK-CP-JSON-DAG:             "%25": 15
# CHECK-CP-JSON-DAG:             "%28": 3
# CHECK-CP-JSON-DAG:             "%32": 1
# CHECK-CP-JSON-DAG:             "%34": 12
# CHECK-CP-JSON-DAG:             "%36": 1
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 8
# CHECK-CP-JSON-DAG:             "%41": 3
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%44": 3
# CHECK-CP-JSON-DAG:             "%48": 0
# CHECK-CP-JSON-DAG:             "%51": 6
# CHECK-CP-JSON-DAG:             "%54": 6
# CHECK-CP-JSON-DAG:             "%56": 6
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %48, 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:             "%0": 11
# CHECK-CP-JSON-DAG:             "%1": 13
# CHECK-CP-JSON-DAG:             "%9": 7
# CHECK-CP-JSON-DAG:             "%10": 8
# CHECK-CP-JSON-DAG:             "%11": 10
# CHECK-CP-JSON-DAG:             "%13": 6
# CHECK-CP-JSON-DAG:             "%20": 9
# CHECK-CP-JSON-DAG:             "%21": 7
# CHECK-CP-JSON-DAG:             "%24": 15
# CHECK-CP-JSON-DAG:             "%25": 15
# CHECK-CP-JSON-DAG:             "%28": 3
# CHECK-CP-JSON-DAG:             "%32": 1
# CHECK-CP-JSON-DAG:             "%34": 12
# CHECK-CP-JSON-DAG:             "%36": 1
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%39": 3
# CHECK-CP-JSON-DAG:             "%40": 8
# CHECK-CP-JSON-DAG:             "%41": 3
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%44": 3
# CHECK-CP-JSON-DAG:             "%48": 0
# CHECK-CP-JSON-DAG:             "%51": 6
# CHECK-CP-JSON-DAG:             "%54": 6
# CHECK-CP-JSON-DAG:             "%56": 6
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%37:sreg_32 = SI_IF_BREAK %32, %36, 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:             "%0": 10
# CHECK-CP-JSON-DAG:             "%1": 12
# CHECK-CP-JSON-DAG:             "%9": 6
# CHECK-CP-JSON-DAG:             "%10": 7
# CHECK-CP-JSON-DAG:             "%11": 9
# CHECK-CP-JSON-DAG:             "%13": 5
# CHECK-CP-JSON-DAG:             "%20": 8
# CHECK-CP-JSON-DAG:             "%21": 6
# CHECK-CP-JSON-DAG:             "%24": 14
# CHECK-CP-JSON-DAG:             "%25": 14
# CHECK-CP-JSON-DAG:             "%28": 2
# CHECK-CP-JSON-DAG:             "%32": 0
# CHECK-CP-JSON-DAG:             "%34": 11
# CHECK-CP-JSON-DAG:             "%36": 0
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%39": 2
# CHECK-CP-JSON-DAG:             "%40": 7
# CHECK-CP-JSON-DAG:             "%41": 2
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%44": 2
# CHECK-CP-JSON-DAG:             "%51": 5
# CHECK-CP-JSON-DAG:             "%54": 5
# CHECK-CP-JSON-DAG:             "%56": 5
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "SI_LOOP %37, %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:             "%0": 9
# CHECK-CP-JSON-DAG:             "%1": 11
# CHECK-CP-JSON-DAG:             "%9": 5
# CHECK-CP-JSON-DAG:             "%10": 6
# CHECK-CP-JSON-DAG:             "%11": 8
# CHECK-CP-JSON-DAG:             "%13": 4
# CHECK-CP-JSON-DAG:             "%20": 7
# CHECK-CP-JSON-DAG:             "%21": 5
# CHECK-CP-JSON-DAG:             "%24": 13
# CHECK-CP-JSON-DAG:             "%25": 13
# CHECK-CP-JSON-DAG:             "%28": 1
# CHECK-CP-JSON-DAG:             "%32": 1
# CHECK-CP-JSON-DAG:             "%34": 10
# CHECK-CP-JSON-DAG:             "%37": 0
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%39": 1
# CHECK-CP-JSON-DAG:             "%40": 6
# CHECK-CP-JSON-DAG:             "%41": 1
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%44": 1
# CHECK-CP-JSON-DAG:             "%51": 4
# CHECK-CP-JSON-DAG:             "%54": 4
# CHECK-CP-JSON-DAG:             "%56": 4
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# 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:             "%0": 8
# CHECK-CP-JSON-DAG:             "%1": 10
# CHECK-CP-JSON-DAG:             "%9": 4
# CHECK-CP-JSON-DAG:             "%10": 5
# CHECK-CP-JSON-DAG:             "%11": 7
# CHECK-CP-JSON-DAG:             "%13": 3
# CHECK-CP-JSON-DAG:             "%20": 6
# CHECK-CP-JSON-DAG:             "%21": 4
# CHECK-CP-JSON-DAG:             "%24": 12
# CHECK-CP-JSON-DAG:             "%25": 12
# CHECK-CP-JSON-DAG:             "%28": 0
# CHECK-CP-JSON-DAG:             "%32": 0
# CHECK-CP-JSON-DAG:             "%34": 9
# CHECK-CP-JSON-DAG:             "%37": 0
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%39": 0
# CHECK-CP-JSON-DAG:             "%40": 5
# CHECK-CP-JSON-DAG:             "%41": 0
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%44": 0
# CHECK-CP-JSON-DAG:             "%51": 3
# CHECK-CP-JSON-DAG:             "%54": 3
# CHECK-CP-JSON-DAG:             "%56": 3
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# 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": "SI_END_CF %37, 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:             "%0": 7
# CHECK-CP-JSON-DAG:             "%1": 21
# CHECK-CP-JSON-DAG:             "%9": 3
# CHECK-CP-JSON-DAG:             "%10": 16
# CHECK-CP-JSON-DAG:             "%11": 6
# CHECK-CP-JSON-DAG:             "%13": 14
# CHECK-CP-JSON-DAG:             "%20": 17
# CHECK-CP-JSON-DAG:             "%21": 3
# CHECK-CP-JSON-DAG:             "%24": 11
# CHECK-CP-JSON-DAG:             "%25": 11
# CHECK-CP-JSON-DAG:             "%28": 1
# CHECK-CP-JSON-DAG:             "%34": 8
# CHECK-CP-JSON-DAG:             "%37": 0
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 4
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%51": 2
# CHECK-CP-JSON-DAG:             "%54": 2
# CHECK-CP-JSON-DAG:             "%56": 2
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%61:sreg_32 = SI_IF %28, %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:             "%0": 6
# CHECK-CP-JSON-DAG:             "%1": 20
# CHECK-CP-JSON-DAG:             "%9": 2
# CHECK-CP-JSON-DAG:             "%10": 15
# CHECK-CP-JSON-DAG:             "%11": 5
# CHECK-CP-JSON-DAG:             "%13": 13
# CHECK-CP-JSON-DAG:             "%20": 16
# CHECK-CP-JSON-DAG:             "%21": 2
# CHECK-CP-JSON-DAG:             "%24": 10
# CHECK-CP-JSON-DAG:             "%25": 10
# CHECK-CP-JSON-DAG:             "%28": 0
# CHECK-CP-JSON-DAG:             "%34": 7
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 3
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%51": 1
# CHECK-CP-JSON-DAG:             "%54": 1
# CHECK-CP-JSON-DAG:             "%56": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# 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:             "%0": 5
# CHECK-CP-JSON-DAG:             "%1": 19
# CHECK-CP-JSON-DAG:             "%9": 1
# CHECK-CP-JSON-DAG:             "%10": 14
# CHECK-CP-JSON-DAG:             "%11": 4
# CHECK-CP-JSON-DAG:             "%13": 12
# CHECK-CP-JSON-DAG:             "%20": 15
# CHECK-CP-JSON-DAG:             "%21": 1
# CHECK-CP-JSON-DAG:             "%24": 9
# CHECK-CP-JSON-DAG:             "%25": 9
# CHECK-CP-JSON-DAG:             "%34": 6
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 2
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%51": 0
# CHECK-CP-JSON-DAG:             "%54": 0
# CHECK-CP-JSON-DAG:             "%56": 0
# CHECK-CP-JSON-DAG:             "%61": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# 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": "GLOBAL_STORE_DWORD %9, %21, 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:             "%0": 8
# CHECK-CP-JSON-DAG:             "%1": 22
# CHECK-CP-JSON-DAG:             "%9": 0
# CHECK-CP-JSON-DAG:             "%10": 17
# CHECK-CP-JSON-DAG:             "%11": 7
# CHECK-CP-JSON-DAG:             "%13": 15
# CHECK-CP-JSON-DAG:             "%20": 18
# CHECK-CP-JSON-DAG:             "%21": 0
# CHECK-CP-JSON-DAG:             "%24": 12
# CHECK-CP-JSON-DAG:             "%25": 12
# CHECK-CP-JSON-DAG:             "%34": 9
# CHECK-CP-JSON-DAG:             "%38": 3076
# CHECK-CP-JSON-DAG:             "%40": 5
# CHECK-CP-JSON-DAG:             "%43": 3074
# CHECK-CP-JSON-DAG:             "%61": 4
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3076
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3076
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%62:vgpr_32 = V_MOV_B32_e32 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:             "%0": 7
# CHECK-CP-JSON-DAG:             "%1": 21
# CHECK-CP-JSON-DAG:             "%9": 18
# CHECK-CP-JSON-DAG:             "%10": 16
# CHECK-CP-JSON-DAG:             "%11": 6
# CHECK-CP-JSON-DAG:             "%13": 14
# CHECK-CP-JSON-DAG:             "%20": 17
# CHECK-CP-JSON-DAG:             "%21": 2
# CHECK-CP-JSON-DAG:             "%24": 11
# CHECK-CP-JSON-DAG:             "%25": 11
# CHECK-CP-JSON-DAG:             "%34": 8
# CHECK-CP-JSON-DAG:             "%38": 3076
# CHECK-CP-JSON-DAG:             "%40": 4
# CHECK-CP-JSON-DAG:             "%43": 3074
# CHECK-CP-JSON-DAG:             "%61": 3
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3076
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3076
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%63:vgpr_32 = V_MOV_B32_e32 1000, 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": 6
# CHECK-CP-JSON-DAG:             "%1": 20
# CHECK-CP-JSON-DAG:             "%9": 17
# CHECK-CP-JSON-DAG:             "%10": 15
# CHECK-CP-JSON-DAG:             "%11": 5
# CHECK-CP-JSON-DAG:             "%13": 13
# CHECK-CP-JSON-DAG:             "%20": 16
# CHECK-CP-JSON-DAG:             "%21": 1
# CHECK-CP-JSON-DAG:             "%24": 10
# CHECK-CP-JSON-DAG:             "%25": 10
# CHECK-CP-JSON-DAG:             "%34": 7
# CHECK-CP-JSON-DAG:             "%38": 3076
# CHECK-CP-JSON-DAG:             "%40": 3
# CHECK-CP-JSON-DAG:             "%43": 3074
# CHECK-CP-JSON-DAG:             "%61": 2
# CHECK-CP-JSON-DAG:             "%62": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3076
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3076
# 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:             "%0": 5
# CHECK-CP-JSON-DAG:             "%1": 19
# CHECK-CP-JSON-DAG:             "%9": 16
# CHECK-CP-JSON-DAG:             "%10": 14
# CHECK-CP-JSON-DAG:             "%11": 4
# CHECK-CP-JSON-DAG:             "%13": 12
# CHECK-CP-JSON-DAG:             "%20": 15
# CHECK-CP-JSON-DAG:             "%21": 0
# CHECK-CP-JSON-DAG:             "%24": 9
# CHECK-CP-JSON-DAG:             "%25": 9
# CHECK-CP-JSON-DAG:             "%34": 6
# CHECK-CP-JSON-DAG:             "%38": 3076
# CHECK-CP-JSON-DAG:             "%40": 2
# CHECK-CP-JSON-DAG:             "%43": 3074
# CHECK-CP-JSON-DAG:             "%61": 1
# CHECK-CP-JSON-DAG:             "%62": 0
# CHECK-CP-JSON-DAG:             "%63": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3076
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3076
# 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": "%57:vgpr_32 = GLOBAL_LOAD_DWORD %10, 0, 0, implicit $exec :: (load (s32) from %ir.p2, 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:             "%0": 25
# CHECK-CP-JSON-DAG:             "%1": 5
# CHECK-CP-JSON-DAG:             "%9": 2
# CHECK-CP-JSON-DAG:             "%10": 0
# CHECK-CP-JSON-DAG:             "%11": 24
# CHECK-CP-JSON-DAG:             "%13": 20
# CHECK-CP-JSON-DAG:             "%20": 1
# CHECK-CP-JSON-DAG:             "%21": 21
# CHECK-CP-JSON-DAG:             "%24": 29
# CHECK-CP-JSON-DAG:             "%25": 29
# CHECK-CP-JSON-DAG:             "%34": 26
# CHECK-CP-JSON-DAG:             "%36": 15
# CHECK-CP-JSON-DAG:             "%38": 4
# CHECK-CP-JSON-DAG:             "%40": 3
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%46": 8
# CHECK-CP-JSON-DAG:             "%47": 11
# CHECK-CP-JSON-DAG:             "%48": 14
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4354
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4354
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%53:vgpr_32 = V_MUL_LO_U32_e64 %57, %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:             "%0": 24
# CHECK-CP-JSON-DAG:             "%1": 4
# CHECK-CP-JSON-DAG:             "%9": 1
# CHECK-CP-JSON-DAG:             "%10": 21
# CHECK-CP-JSON-DAG:             "%11": 23
# CHECK-CP-JSON-DAG:             "%13": 19
# CHECK-CP-JSON-DAG:             "%20": 0
# CHECK-CP-JSON-DAG:             "%21": 20
# CHECK-CP-JSON-DAG:             "%24": 28
# CHECK-CP-JSON-DAG:             "%25": 28
# CHECK-CP-JSON-DAG:             "%34": 25
# CHECK-CP-JSON-DAG:             "%36": 14
# CHECK-CP-JSON-DAG:             "%38": 3
# CHECK-CP-JSON-DAG:             "%40": 2
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%46": 7
# CHECK-CP-JSON-DAG:             "%47": 10
# CHECK-CP-JSON-DAG:             "%48": 13
# CHECK-CP-JSON-DAG:             "%57": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4354
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4354
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "GLOBAL_STORE_DWORD %9, %53, 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:             "%0": 23
# CHECK-CP-JSON-DAG:             "%1": 3
# CHECK-CP-JSON-DAG:             "%9": 0
# CHECK-CP-JSON-DAG:             "%10": 20
# CHECK-CP-JSON-DAG:             "%11": 22
# CHECK-CP-JSON-DAG:             "%13": 18
# CHECK-CP-JSON-DAG:             "%20": 21
# CHECK-CP-JSON-DAG:             "%21": 19
# CHECK-CP-JSON-DAG:             "%24": 27
# CHECK-CP-JSON-DAG:             "%25": 27
# CHECK-CP-JSON-DAG:             "%34": 24
# CHECK-CP-JSON-DAG:             "%36": 13
# CHECK-CP-JSON-DAG:             "%38": 2
# CHECK-CP-JSON-DAG:             "%40": 1
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%46": 6
# CHECK-CP-JSON-DAG:             "%47": 9
# CHECK-CP-JSON-DAG:             "%48": 12
# CHECK-CP-JSON-DAG:             "%53": 0
# CHECK-CP-JSON-DAG:             "%57": 11
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4354
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4354
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%55:vgpr_32 = V_SUB_U32_e64 %53, %40, 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": 22
# CHECK-CP-JSON-DAG:             "%1": 2
# CHECK-CP-JSON-DAG:             "%9": 18
# CHECK-CP-JSON-DAG:             "%10": 19
# CHECK-CP-JSON-DAG:             "%11": 21
# CHECK-CP-JSON-DAG:             "%13": 17
# CHECK-CP-JSON-DAG:             "%20": 20
# CHECK-CP-JSON-DAG:             "%21": 18
# CHECK-CP-JSON-DAG:             "%24": 26
# CHECK-CP-JSON-DAG:             "%25": 26
# CHECK-CP-JSON-DAG:             "%34": 23
# CHECK-CP-JSON-DAG:             "%36": 12
# CHECK-CP-JSON-DAG:             "%38": 1
# CHECK-CP-JSON-DAG:             "%40": 0
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%46": 5
# CHECK-CP-JSON-DAG:             "%47": 8
# CHECK-CP-JSON-DAG:             "%48": 11
# CHECK-CP-JSON-DAG:             "%53": 0
# CHECK-CP-JSON-DAG:             "%57": 10
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4354
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4354
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%60:vgpr_32 = V_ADD_U32_e64 1, %38, 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": 21
# CHECK-CP-JSON-DAG:             "%1": 1
# CHECK-CP-JSON-DAG:             "%9": 17
# CHECK-CP-JSON-DAG:             "%10": 18
# CHECK-CP-JSON-DAG:             "%11": 20
# CHECK-CP-JSON-DAG:             "%13": 16
# CHECK-CP-JSON-DAG:             "%20": 19
# CHECK-CP-JSON-DAG:             "%21": 17
# CHECK-CP-JSON-DAG:             "%24": 25
# CHECK-CP-JSON-DAG:             "%25": 25
# CHECK-CP-JSON-DAG:             "%34": 22
# CHECK-CP-JSON-DAG:             "%36": 11
# CHECK-CP-JSON-DAG:             "%38": 0
# CHECK-CP-JSON-DAG:             "%40": 18
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%46": 4
# CHECK-CP-JSON-DAG:             "%47": 7
# CHECK-CP-JSON-DAG:             "%48": 10
# CHECK-CP-JSON-DAG:             "%53": 9
# CHECK-CP-JSON-DAG:             "%55": 9
# CHECK-CP-JSON-DAG:             "%57": 9
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4354
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%43",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4354
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%64:sreg_32 = V_CMP_GE_U32_e64 %60, %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:             "%0": 20
# CHECK-CP-JSON-DAG:             "%1": 0
# CHECK-CP-JSON-DAG:             "%9": 16
# CHECK-CP-JSON-DAG:             "%10": 17
# CHECK-CP-JSON-DAG:             "%11": 19
# CHECK-CP-JSON-DAG:             "%13": 15
# CHECK-CP-JSON-DAG:             "%20": 18
# CHECK-CP-JSON-DAG:             "%21": 16
# CHECK-CP-JSON-DAG:             "%24": 24
# CHECK-CP-JSON-DAG:             "%25": 24
# CHECK-CP-JSON-DAG:             "%34": 21
# CHECK-CP-JSON-DAG:             "%36": 10
# CHECK-CP-JSON-DAG:             "%38": 4356
# CHECK-CP-JSON-DAG:             "%40": 17
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%46": 3
# CHECK-CP-JSON-DAG:             "%47": 6
# CHECK-CP-JSON-DAG:             "%48": 9
# CHECK-CP-JSON-DAG:             "%53": 8
# CHECK-CP-JSON-DAG:             "%55": 8
# CHECK-CP-JSON-DAG:             "%57": 8
# CHECK-CP-JSON-DAG:             "%60": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%59:vgpr_32 = V_MOV_B32_e32 52, 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": 19
# CHECK-CP-JSON-DAG:             "%1": 21
# CHECK-CP-JSON-DAG:             "%9": 15
# CHECK-CP-JSON-DAG:             "%10": 16
# CHECK-CP-JSON-DAG:             "%11": 18
# CHECK-CP-JSON-DAG:             "%13": 14
# CHECK-CP-JSON-DAG:             "%20": 17
# CHECK-CP-JSON-DAG:             "%21": 15
# CHECK-CP-JSON-DAG:             "%24": 23
# CHECK-CP-JSON-DAG:             "%25": 23
# CHECK-CP-JSON-DAG:             "%34": 20
# CHECK-CP-JSON-DAG:             "%36": 9
# CHECK-CP-JSON-DAG:             "%38": 4356
# CHECK-CP-JSON-DAG:             "%40": 16
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%46": 2
# CHECK-CP-JSON-DAG:             "%47": 5
# CHECK-CP-JSON-DAG:             "%48": 8
# CHECK-CP-JSON-DAG:             "%53": 7
# CHECK-CP-JSON-DAG:             "%55": 7
# CHECK-CP-JSON-DAG:             "%57": 7
# CHECK-CP-JSON-DAG:             "%60": 7
# CHECK-CP-JSON-DAG:             "%64": 3
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%58:vgpr_32 = V_MOV_B32_e32 13, 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": 18
# CHECK-CP-JSON-DAG:             "%1": 20
# CHECK-CP-JSON-DAG:             "%9": 14
# CHECK-CP-JSON-DAG:             "%10": 15
# CHECK-CP-JSON-DAG:             "%11": 17
# CHECK-CP-JSON-DAG:             "%13": 13
# CHECK-CP-JSON-DAG:             "%20": 16
# CHECK-CP-JSON-DAG:             "%21": 14
# CHECK-CP-JSON-DAG:             "%24": 22
# CHECK-CP-JSON-DAG:             "%25": 22
# CHECK-CP-JSON-DAG:             "%34": 19
# CHECK-CP-JSON-DAG:             "%36": 8
# CHECK-CP-JSON-DAG:             "%38": 4356
# CHECK-CP-JSON-DAG:             "%40": 15
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%46": 1
# CHECK-CP-JSON-DAG:             "%47": 4
# CHECK-CP-JSON-DAG:             "%48": 7
# CHECK-CP-JSON-DAG:             "%53": 6
# CHECK-CP-JSON-DAG:             "%55": 6
# CHECK-CP-JSON-DAG:             "%57": 6
# CHECK-CP-JSON-DAG:             "%59": 6
# CHECK-CP-JSON-DAG:             "%60": 6
# CHECK-CP-JSON-DAG:             "%64": 2
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%65:sreg_32 = S_ANDN2_B32 %46, $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:             "%0": 17
# CHECK-CP-JSON-DAG:             "%1": 19
# CHECK-CP-JSON-DAG:             "%9": 13
# CHECK-CP-JSON-DAG:             "%10": 14
# CHECK-CP-JSON-DAG:             "%11": 16
# CHECK-CP-JSON-DAG:             "%13": 12
# CHECK-CP-JSON-DAG:             "%20": 15
# CHECK-CP-JSON-DAG:             "%21": 13
# CHECK-CP-JSON-DAG:             "%24": 21
# CHECK-CP-JSON-DAG:             "%25": 21
# CHECK-CP-JSON-DAG:             "%34": 18
# CHECK-CP-JSON-DAG:             "%36": 7
# CHECK-CP-JSON-DAG:             "%38": 4356
# CHECK-CP-JSON-DAG:             "%40": 14
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%46": 0
# CHECK-CP-JSON-DAG:             "%47": 3
# CHECK-CP-JSON-DAG:             "%48": 6
# CHECK-CP-JSON-DAG:             "%53": 5
# CHECK-CP-JSON-DAG:             "%55": 5
# CHECK-CP-JSON-DAG:             "%57": 5
# CHECK-CP-JSON-DAG:             "%58": 5
# CHECK-CP-JSON-DAG:             "%59": 5
# CHECK-CP-JSON-DAG:             "%60": 5
# CHECK-CP-JSON-DAG:             "%64": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%66:sreg_32 = S_AND_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:             "%0": 16
# CHECK-CP-JSON-DAG:             "%1": 18
# CHECK-CP-JSON-DAG:             "%9": 12
# CHECK-CP-JSON-DAG:             "%10": 13
# CHECK-CP-JSON-DAG:             "%11": 15
# CHECK-CP-JSON-DAG:             "%13": 11
# CHECK-CP-JSON-DAG:             "%20": 14
# CHECK-CP-JSON-DAG:             "%21": 12
# CHECK-CP-JSON-DAG:             "%24": 20
# CHECK-CP-JSON-DAG:             "%25": 20
# CHECK-CP-JSON-DAG:             "%34": 17
# CHECK-CP-JSON-DAG:             "%36": 6
# CHECK-CP-JSON-DAG:             "%38": 4356
# CHECK-CP-JSON-DAG:             "%40": 13
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%47": 2
# CHECK-CP-JSON-DAG:             "%48": 5
# CHECK-CP-JSON-DAG:             "%53": 4
# CHECK-CP-JSON-DAG:             "%55": 4
# CHECK-CP-JSON-DAG:             "%57": 4
# CHECK-CP-JSON-DAG:             "%58": 4
# CHECK-CP-JSON-DAG:             "%59": 4
# CHECK-CP-JSON-DAG:             "%60": 4
# 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": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%50:sreg_32 = S_OR_B32 %65, %66, 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:             "%0": 15
# CHECK-CP-JSON-DAG:             "%1": 17
# CHECK-CP-JSON-DAG:             "%9": 11
# CHECK-CP-JSON-DAG:             "%10": 12
# CHECK-CP-JSON-DAG:             "%11": 14
# CHECK-CP-JSON-DAG:             "%13": 10
# CHECK-CP-JSON-DAG:             "%20": 13
# CHECK-CP-JSON-DAG:             "%21": 11
# CHECK-CP-JSON-DAG:             "%24": 19
# CHECK-CP-JSON-DAG:             "%25": 19
# CHECK-CP-JSON-DAG:             "%34": 16
# CHECK-CP-JSON-DAG:             "%36": 5
# CHECK-CP-JSON-DAG:             "%38": 4356
# CHECK-CP-JSON-DAG:             "%40": 12
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%47": 1
# CHECK-CP-JSON-DAG:             "%48": 4
# CHECK-CP-JSON-DAG:             "%53": 3
# CHECK-CP-JSON-DAG:             "%55": 3
# CHECK-CP-JSON-DAG:             "%57": 3
# CHECK-CP-JSON-DAG:             "%58": 3
# CHECK-CP-JSON-DAG:             "%59": 3
# CHECK-CP-JSON-DAG:             "%60": 3
# CHECK-CP-JSON-DAG:             "%65": 0
# CHECK-CP-JSON-DAG:             "%66": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%67:sreg_32 = S_ANDN2_B32 %47, $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:             "%0": 14
# CHECK-CP-JSON-DAG:             "%1": 16
# CHECK-CP-JSON-DAG:             "%9": 10
# CHECK-CP-JSON-DAG:             "%10": 11
# CHECK-CP-JSON-DAG:             "%11": 13
# CHECK-CP-JSON-DAG:             "%13": 9
# CHECK-CP-JSON-DAG:             "%20": 12
# CHECK-CP-JSON-DAG:             "%21": 10
# CHECK-CP-JSON-DAG:             "%24": 18
# CHECK-CP-JSON-DAG:             "%25": 18
# CHECK-CP-JSON-DAG:             "%34": 15
# CHECK-CP-JSON-DAG:             "%36": 4
# CHECK-CP-JSON-DAG:             "%38": 4356
# CHECK-CP-JSON-DAG:             "%40": 11
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%47": 0
# CHECK-CP-JSON-DAG:             "%48": 3
# CHECK-CP-JSON-DAG:             "%50": 2
# CHECK-CP-JSON-DAG:             "%53": 2
# CHECK-CP-JSON-DAG:             "%55": 2
# CHECK-CP-JSON-DAG:             "%57": 2
# CHECK-CP-JSON-DAG:             "%58": 2
# CHECK-CP-JSON-DAG:             "%59": 2
# CHECK-CP-JSON-DAG:             "%60": 2
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%49:sreg_32 = COPY %67",
# 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-DAG:             "%1": 15
# CHECK-CP-JSON-DAG:             "%9": 9
# CHECK-CP-JSON-DAG:             "%10": 10
# CHECK-CP-JSON-DAG:             "%11": 12
# CHECK-CP-JSON-DAG:             "%13": 8
# CHECK-CP-JSON-DAG:             "%20": 11
# CHECK-CP-JSON-DAG:             "%21": 9
# CHECK-CP-JSON-DAG:             "%24": 17
# CHECK-CP-JSON-DAG:             "%25": 17
# CHECK-CP-JSON-DAG:             "%34": 14
# CHECK-CP-JSON-DAG:             "%36": 3
# CHECK-CP-JSON-DAG:             "%38": 4356
# CHECK-CP-JSON-DAG:             "%40": 10
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%48": 2
# CHECK-CP-JSON-DAG:             "%50": 1
# CHECK-CP-JSON-DAG:             "%53": 1
# CHECK-CP-JSON-DAG:             "%55": 1
# CHECK-CP-JSON-DAG:             "%57": 1
# CHECK-CP-JSON-DAG:             "%58": 1
# CHECK-CP-JSON-DAG:             "%59": 1
# CHECK-CP-JSON-DAG:             "%60": 1
# CHECK-CP-JSON-DAG:             "%67": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# 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:             "%0": 12
# CHECK-CP-JSON-DAG:             "%1": 14
# CHECK-CP-JSON-DAG:             "%9": 8
# CHECK-CP-JSON-DAG:             "%10": 9
# CHECK-CP-JSON-DAG:             "%11": 11
# CHECK-CP-JSON-DAG:             "%13": 7
# CHECK-CP-JSON-DAG:             "%20": 10
# CHECK-CP-JSON-DAG:             "%21": 8
# CHECK-CP-JSON-DAG:             "%24": 16
# CHECK-CP-JSON-DAG:             "%25": 16
# CHECK-CP-JSON-DAG:             "%34": 13
# CHECK-CP-JSON-DAG:             "%36": 2
# CHECK-CP-JSON-DAG:             "%38": 4356
# CHECK-CP-JSON-DAG:             "%40": 9
# CHECK-CP-JSON-DAG:             "%43": 4354
# CHECK-CP-JSON-DAG:             "%48": 1
# CHECK-CP-JSON-DAG:             "%49": 0
# CHECK-CP-JSON-DAG:             "%50": 0
# CHECK-CP-JSON-DAG:             "%53": 0
# CHECK-CP-JSON-DAG:             "%55": 0
# CHECK-CP-JSON-DAG:             "%57": 0
# CHECK-CP-JSON-DAG:             "%58": 0
# CHECK-CP-JSON-DAG:             "%59": 0
# CHECK-CP-JSON-DAG:             "%60": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 4356
# 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": "%68:vgpr_32 = PHI %56, %bb.3, %63, %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:             "%0": 4
# CHECK-CP-JSON-DAG:             "%1": 18
# CHECK-CP-JSON-DAG:             "%9": 15
# CHECK-CP-JSON-DAG:             "%10": 13
# CHECK-CP-JSON-DAG:             "%11": 3
# CHECK-CP-JSON-DAG:             "%13": 11
# CHECK-CP-JSON-DAG:             "%20": 14
# CHECK-CP-JSON-DAG:             "%21": 20
# CHECK-CP-JSON-DAG:             "%24": 8
# CHECK-CP-JSON-DAG:             "%25": 8
# CHECK-CP-JSON-DAG:             "%34": 5
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 1
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%61": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%69:vgpr_32 = PHI %54, %bb.3, %62, %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:             "%0": 4
# CHECK-CP-JSON-DAG:             "%1": 18
# CHECK-CP-JSON-DAG:             "%9": 15
# CHECK-CP-JSON-DAG:             "%10": 13
# CHECK-CP-JSON-DAG:             "%11": 3
# CHECK-CP-JSON-DAG:             "%13": 11
# CHECK-CP-JSON-DAG:             "%20": 14
# CHECK-CP-JSON-DAG:             "%21": 20
# CHECK-CP-JSON-DAG:             "%24": 8
# CHECK-CP-JSON-DAG:             "%25": 8
# CHECK-CP-JSON-DAG:             "%34": 5
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 1
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%61": 0
# CHECK-CP-JSON-DAG:             "%68": 2
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%70:vgpr_32 = PHI %51, %bb.3, %21, %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:             "%0": 4
# CHECK-CP-JSON-DAG:             "%1": 18
# CHECK-CP-JSON-DAG:             "%9": 15
# CHECK-CP-JSON-DAG:             "%10": 13
# CHECK-CP-JSON-DAG:             "%11": 3
# CHECK-CP-JSON-DAG:             "%13": 11
# CHECK-CP-JSON-DAG:             "%20": 14
# CHECK-CP-JSON-DAG:             "%21": 20
# CHECK-CP-JSON-DAG:             "%24": 8
# CHECK-CP-JSON-DAG:             "%25": 8
# CHECK-CP-JSON-DAG:             "%34": 5
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 1
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%61": 0
# CHECK-CP-JSON-DAG:             "%68": 2
# CHECK-CP-JSON-DAG:             "%69": 2563
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %61, 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:             "%0": 4
# CHECK-CP-JSON-DAG:             "%1": 18
# CHECK-CP-JSON-DAG:             "%9": 15
# CHECK-CP-JSON-DAG:             "%10": 13
# CHECK-CP-JSON-DAG:             "%11": 3
# CHECK-CP-JSON-DAG:             "%13": 11
# CHECK-CP-JSON-DAG:             "%20": 14
# CHECK-CP-JSON-DAG:             "%21": 20
# CHECK-CP-JSON-DAG:             "%24": 8
# CHECK-CP-JSON-DAG:             "%25": 8
# CHECK-CP-JSON-DAG:             "%34": 5
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 1
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%61": 0
# CHECK-CP-JSON-DAG:             "%68": 2
# CHECK-CP-JSON-DAG:             "%69": 2563
# CHECK-CP-JSON-DAG:             "%70": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%42:vgpr_32 = V_ADD_U32_e64 1, %40, 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": 3
# CHECK-CP-JSON-DAG:             "%1": 17
# CHECK-CP-JSON-DAG:             "%9": 14
# CHECK-CP-JSON-DAG:             "%10": 12
# CHECK-CP-JSON-DAG:             "%11": 2
# CHECK-CP-JSON-DAG:             "%13": 10
# CHECK-CP-JSON-DAG:             "%20": 13
# CHECK-CP-JSON-DAG:             "%21": 19
# CHECK-CP-JSON-DAG:             "%24": 7
# CHECK-CP-JSON-DAG:             "%25": 7
# CHECK-CP-JSON-DAG:             "%34": 4
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%40": 0
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%68": 1
# CHECK-CP-JSON-DAG:             "%69": 2563
# CHECK-CP-JSON-DAG:             "%70": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%71:vgpr_32 = V_ADD_U32_e64 %68, %42, 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": 2
# CHECK-CP-JSON-DAG:             "%1": 16
# CHECK-CP-JSON-DAG:             "%9": 13
# CHECK-CP-JSON-DAG:             "%10": 11
# CHECK-CP-JSON-DAG:             "%11": 1
# CHECK-CP-JSON-DAG:             "%13": 9
# CHECK-CP-JSON-DAG:             "%20": 12
# CHECK-CP-JSON-DAG:             "%21": 18
# CHECK-CP-JSON-DAG:             "%24": 6
# CHECK-CP-JSON-DAG:             "%25": 6
# CHECK-CP-JSON-DAG:             "%34": 3
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%42": 0
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%68": 0
# CHECK-CP-JSON-DAG:             "%69": 2563
# CHECK-CP-JSON-DAG:             "%70": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "GLOBAL_STORE_DWORD %11, %71, 0, 0, implicit $exec :: (store (s32) into %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:             "%0": 1
# CHECK-CP-JSON-DAG:             "%1": 15
# CHECK-CP-JSON-DAG:             "%9": 12
# CHECK-CP-JSON-DAG:             "%10": 10
# CHECK-CP-JSON-DAG:             "%11": 0
# CHECK-CP-JSON-DAG:             "%13": 8
# CHECK-CP-JSON-DAG:             "%20": 11
# CHECK-CP-JSON-DAG:             "%21": 17
# CHECK-CP-JSON-DAG:             "%24": 5
# CHECK-CP-JSON-DAG:             "%25": 5
# CHECK-CP-JSON-DAG:             "%34": 2
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%42": 1
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%68": 2563
# CHECK-CP-JSON-DAG:             "%69": 2563
# CHECK-CP-JSON-DAG:             "%70": 2564
# CHECK-CP-JSON-DAG:             "%71": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%72:sreg_32 = V_CMP_GE_U32_e64 %42, %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": 14
# CHECK-CP-JSON-DAG:             "%9": 11
# CHECK-CP-JSON-DAG:             "%10": 9
# CHECK-CP-JSON-DAG:             "%11": 28
# CHECK-CP-JSON-DAG:             "%13": 7
# CHECK-CP-JSON-DAG:             "%20": 10
# CHECK-CP-JSON-DAG:             "%21": 16
# CHECK-CP-JSON-DAG:             "%24": 4
# CHECK-CP-JSON-DAG:             "%25": 4
# CHECK-CP-JSON-DAG:             "%34": 1
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%42": 0
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%68": 2563
# CHECK-CP-JSON-DAG:             "%69": 2563
# CHECK-CP-JSON-DAG:             "%70": 2564
# CHECK-CP-JSON-DAG:             "%71": 2562
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%35:sreg_32 = SI_IF_BREAK %72, %34, 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:             "%0": 28
# CHECK-CP-JSON-DAG:             "%1": 13
# CHECK-CP-JSON-DAG:             "%9": 10
# CHECK-CP-JSON-DAG:             "%10": 8
# CHECK-CP-JSON-DAG:             "%11": 27
# CHECK-CP-JSON-DAG:             "%13": 6
# CHECK-CP-JSON-DAG:             "%20": 9
# CHECK-CP-JSON-DAG:             "%21": 15
# CHECK-CP-JSON-DAG:             "%24": 3
# CHECK-CP-JSON-DAG:             "%25": 3
# CHECK-CP-JSON-DAG:             "%34": 0
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%42": 3
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%68": 2563
# CHECK-CP-JSON-DAG:             "%69": 2563
# CHECK-CP-JSON-DAG:             "%70": 2564
# CHECK-CP-JSON-DAG:             "%71": 2562
# CHECK-CP-JSON-DAG:             "%72": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%45:vgpr_32 = V_MOV_B32_e32 13, 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": 27
# CHECK-CP-JSON-DAG:             "%1": 12
# CHECK-CP-JSON-DAG:             "%9": 9
# CHECK-CP-JSON-DAG:             "%10": 7
# CHECK-CP-JSON-DAG:             "%11": 26
# CHECK-CP-JSON-DAG:             "%13": 5
# CHECK-CP-JSON-DAG:             "%20": 8
# CHECK-CP-JSON-DAG:             "%21": 14
# CHECK-CP-JSON-DAG:             "%24": 2
# CHECK-CP-JSON-DAG:             "%25": 2
# CHECK-CP-JSON-DAG:             "%35": 1
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%42": 2
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%68": 2563
# CHECK-CP-JSON-DAG:             "%69": 2563
# CHECK-CP-JSON-DAG:             "%70": 2564
# CHECK-CP-JSON-DAG:             "%71": 2562
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "SI_LOOP %35, %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:             "%0": 26
# CHECK-CP-JSON-DAG:             "%1": 11
# CHECK-CP-JSON-DAG:             "%9": 8
# CHECK-CP-JSON-DAG:             "%10": 6
# CHECK-CP-JSON-DAG:             "%11": 25
# CHECK-CP-JSON-DAG:             "%13": 4
# CHECK-CP-JSON-DAG:             "%20": 7
# CHECK-CP-JSON-DAG:             "%21": 13
# CHECK-CP-JSON-DAG:             "%24": 1
# CHECK-CP-JSON-DAG:             "%25": 1
# CHECK-CP-JSON-DAG:             "%35": 0
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%42": 1
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%45": 1
# CHECK-CP-JSON-DAG:             "%68": 2563
# CHECK-CP-JSON-DAG:             "%69": 2563
# CHECK-CP-JSON-DAG:             "%70": 2564
# CHECK-CP-JSON-DAG:             "%71": 2562
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# 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:             "%0": 25
# CHECK-CP-JSON-DAG:             "%1": 10
# CHECK-CP-JSON-DAG:             "%9": 7
# CHECK-CP-JSON-DAG:             "%10": 5
# CHECK-CP-JSON-DAG:             "%11": 24
# CHECK-CP-JSON-DAG:             "%13": 3
# CHECK-CP-JSON-DAG:             "%20": 6
# CHECK-CP-JSON-DAG:             "%21": 12
# CHECK-CP-JSON-DAG:             "%24": 0
# CHECK-CP-JSON-DAG:             "%25": 0
# CHECK-CP-JSON-DAG:             "%35": 0
# CHECK-CP-JSON-DAG:             "%38": 2564
# CHECK-CP-JSON-DAG:             "%42": 0
# CHECK-CP-JSON-DAG:             "%43": 2562
# CHECK-CP-JSON-DAG:             "%45": 0
# CHECK-CP-JSON-DAG:             "%68": 2563
# CHECK-CP-JSON-DAG:             "%69": 2563
# CHECK-CP-JSON-DAG:             "%70": 2564
# CHECK-CP-JSON-DAG:             "%71": 2562
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2564
# 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": "SI_END_CF %35, 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:             "%35": 0
# CHECK-CP-JSON-DAG:             "%38": 3
# CHECK-CP-JSON-DAG:             "%43": 1
# CHECK-CP-JSON-DAG:             "%68": 2
# CHECK-CP-JSON-DAG:             "%69": 2
# CHECK-CP-JSON-DAG:             "%70": 3
# CHECK-CP-JSON-DAG:             "%71": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# 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": "%38",
# 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": "%73:vgpr_32 = V_ADD3_U32_e64 %71, %43, %71, 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:             "%38": 2
# CHECK-CP-JSON-DAG:             "%43": 0
# CHECK-CP-JSON-DAG:             "%68": 1
# CHECK-CP-JSON-DAG:             "%69": 1
# CHECK-CP-JSON-DAG:             "%70": 2
# CHECK-CP-JSON-DAG:             "%71": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# 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": "%38",
# 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": "%74:vgpr_32 = V_ADD3_U32_e64 %73, %68, %69, 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:             "%38": 1
# CHECK-CP-JSON-DAG:             "%68": 0
# CHECK-CP-JSON-DAG:             "%69": 0
# CHECK-CP-JSON-DAG:             "%70": 1
# CHECK-CP-JSON-DAG:             "%73": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# 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": "%38",
# 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": "%75:vgpr_32 = V_ADD3_U32_e64 %74, %70, %38, 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:             "%38": 0
# CHECK-CP-JSON-DAG:             "%70": 0
# CHECK-CP-JSON-DAG:             "%74": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%38",
# 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": "%38",
# 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": "%76:sreg_32_xm0 = V_READFIRSTLANE_B32 %75, implicit $exec",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%75": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%75",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%75",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 0
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "$sgpr0 = COPY %76",
# 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:             "%76": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%76",
# 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": "%76",
# 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:    },
# CHECK-CP-JSON-NEXT:    "distance-from-def-to-closest-use": {
# CHECK-CP-JSON-DAG:       "%0": 25,
# CHECK-CP-JSON-DAG:       "%1": 24,
# CHECK-CP-JSON-DAG:       "%2": 10,
# CHECK-CP-JSON-DAG:       "%3": 6,
# CHECK-CP-JSON-DAG:       "%4": 5,
# CHECK-CP-JSON-DAG:       "%5": 5,
# CHECK-CP-JSON-DAG:       "%6": 4,
# CHECK-CP-JSON-DAG:       "%7": 4,
# CHECK-CP-JSON-DAG:       "%8": 3,
# CHECK-CP-JSON-DAG:       "%9": 16,
# CHECK-CP-JSON-DAG:       "%10": 15,
# CHECK-CP-JSON-DAG:       "%11": 3,
# CHECK-CP-JSON-DAG:       "%12": 1,
# CHECK-CP-JSON-DAG:       "%13": 12,
# CHECK-CP-JSON-DAG:       "%14": 2,
# CHECK-CP-JSON-DAG:       "%15": 1,
# CHECK-CP-JSON-DAG:       "%16": 4,
# CHECK-CP-JSON-DAG:       "%17": 2,
# CHECK-CP-JSON-DAG:       "%18": 1,
# CHECK-CP-JSON-DAG:       "%19": 1,
# CHECK-CP-JSON-DAG:       "%20": 1,
# CHECK-CP-JSON-DAG:       "%21": 4,
# CHECK-CP-JSON-DAG:       "%22": 3,
# CHECK-CP-JSON-DAG:       "%23": 2,
# CHECK-CP-JSON-DAG:       "%24": 1,
# CHECK-CP-JSON-DAG:       "%25": 0,
# CHECK-CP-JSON-DAG:       "%26": 1,
# CHECK-CP-JSON-DAG:       "%30": 0,
# CHECK-CP-JSON-DAG:       "%34": 7,
# CHECK-CP-JSON-DAG:       "%36": 5,
# CHECK-CP-JSON-DAG:       "%38": 8,
# CHECK-CP-JSON-DAG:       "%40": 7,
# CHECK-CP-JSON-DAG:       "%43": 2562,
# CHECK-CP-JSON-DAG:       "%46": 3,
# CHECK-CP-JSON-DAG:       "%47": 2,
# CHECK-CP-JSON-DAG:       "%48": 2,
# CHECK-CP-JSON-DAG:       "%28": 3,
# CHECK-CP-JSON-DAG:       "%32": 1,
# CHECK-CP-JSON-DAG:       "%51": 6,
# CHECK-CP-JSON-DAG:       "%54": 6,
# CHECK-CP-JSON-DAG:       "%56": 6,
# CHECK-CP-JSON-DAG:       "%44": 3,
# CHECK-CP-JSON-DAG:       "%41": 3,
# CHECK-CP-JSON-DAG:       "%39": 3,
# CHECK-CP-JSON-DAG:       "%37": 1,
# CHECK-CP-JSON-DAG:       "%61": 2,
# CHECK-CP-JSON-DAG:       "%62": 2,
# CHECK-CP-JSON-DAG:       "%63": 1,
# CHECK-CP-JSON-DAG:       "%57": 1,
# CHECK-CP-JSON-DAG:       "%53": 1,
# CHECK-CP-JSON-DAG:       "%55": 10,
# CHECK-CP-JSON-DAG:       "%60": 1,
# CHECK-CP-JSON-DAG:       "%64": 4,
# CHECK-CP-JSON-DAG:       "%59": 7,
# CHECK-CP-JSON-DAG:       "%58": 6,
# CHECK-CP-JSON-DAG:       "%65": 2,
# CHECK-CP-JSON-DAG:       "%66": 1,
# CHECK-CP-JSON-DAG:       "%50": 3,
# CHECK-CP-JSON-DAG:       "%67": 1,
# CHECK-CP-JSON-DAG:       "%49": 1,
# CHECK-CP-JSON-DAG:       "%68": 2,
# CHECK-CP-JSON-DAG:       "%69": 2563,
# CHECK-CP-JSON-DAG:       "%70": 2564,
# CHECK-CP-JSON-DAG:       "%42": 1,
# CHECK-CP-JSON-DAG:       "%71": 1,
# CHECK-CP-JSON-DAG:       "%72": 1,
# CHECK-CP-JSON-DAG:       "%35": 2,
# CHECK-CP-JSON-DAG:       "%45": 2,
# CHECK-CP-JSON-DAG:       "%73": 1,
# CHECK-CP-JSON-DAG:       "%74": 1,
# CHECK-CP-JSON-DAG:       "%75": 1,
# CHECK-CP-JSON-DAG:       "%76": 1
# 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:      }