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

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

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

# 
# MIR CFG:
#
#       bb.0
#           |
#    bb.1.header<--+
#       /   |           |
#  bb.2 |           |
#       \   |           |
#      bb.5        |
#       /   |           |
#  bb.6 |           |
#       \   |           |
#      bb.3       |
#       /   |           |
#  bb.4 |           |
#       \   |           |
#    bb.7.latch----+
#           |
#       bb.8
#

--- |
  define amdgpu_ps void @test5(ptr addrspace(1) %gep, ptr addrspace(1) %p1, ptr addrspace(1) %p3) {
  ret void
  }
...

---
name:            test5
tracksRegLiveness: true
body:             |
  bb.0:
    successors: %bb.1(0x80000000)
    liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6
  
    %0:vgpr_32 = COPY $vgpr6
    %1:vgpr_32 = COPY $vgpr5
    %2:vgpr_32 = COPY $vgpr4
    %3:vgpr_32 = COPY $vgpr3
    %4:vgpr_32 = COPY $vgpr2
    %5:vgpr_32 = COPY $vgpr1
    %6:vgpr_32 = COPY $vgpr0
    %7:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %1, %subreg.sub1
    %8:vreg_64 = REG_SEQUENCE %4, %subreg.sub0, %3, %subreg.sub1
    %9:vreg_64 = REG_SEQUENCE %6, %subreg.sub0, %5, %subreg.sub1
    %10:vgpr_32 = GLOBAL_LOAD_UBYTE %9, 0, 0, implicit $exec :: (load (s8) from %ir.p1, addrspace 1)
    %11:vgpr_32 = GLOBAL_LOAD_UBYTE %9, 1, 0, implicit $exec :: (load (s8) from %ir.p1 + 1, addrspace 1)
    %12:vgpr_32 = V_LSHL_OR_B32_e64 %11, 8, %10, implicit $exec
    %13:vgpr_32 = GLOBAL_LOAD_UBYTE %9, 2, 0, implicit $exec :: (load (s8) from %ir.p1 + 2, addrspace 1)
    %14:vgpr_32 = GLOBAL_LOAD_UBYTE %9, 3, 0, implicit $exec :: (load (s8) from %ir.p1 + 3, addrspace 1)
    %15:vgpr_32 = V_LSHL_OR_B32_e64 %14, 8, %13, implicit $exec
    %16:vgpr_32 = V_LSHL_OR_B32_e64 %15, 16, %12, implicit $exec
    %17:sreg_32 = S_MOV_B32 0
  
  bb.1:
    successors: %bb.2(0x40000000), %bb.5(0x40000000)
  
    %18:sreg_32 = PHI %17, %bb.0, %19, %bb.7
    %20:vreg_64 = PHI undef %21:vreg_64, %bb.0, %22, %bb.7
    %23:sreg_32 = PHI %17, %bb.0, %24, %bb.7
    %25:vgpr_32 = PHI %16, %bb.0, %26, %bb.7
    %27:sreg_32 = V_CMP_GE_I32_e64 %23, %16, implicit $exec
    %28:sreg_32 = V_CMP_LT_I32_e64 %23, %16, implicit $exec
    %29:sreg_32 = SI_IF %28, %bb.5, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.2
  
  bb.2:
    successors: %bb.5(0x80000000)
  
    %30:sreg_32_xm0 = S_ASHR_I32 %23, 31, implicit-def dead $scc
    %31:sreg_64 = REG_SEQUENCE %23, %subreg.sub0, %30, %subreg.sub1
    %32:sreg_64 = nsw S_LSHL_B64 %31, 2, implicit-def dead $scc
    %33:vgpr_32, %34:sreg_32_xm0_xexec = V_ADD_CO_U32_e64 %8.sub0, %32.sub0, 0, implicit $exec
    %35:vgpr_32, dead $sgpr_null = V_ADDC_U32_e64 %32.sub1, %8.sub1, %34, 0, implicit $exec
    %36:vreg_64 = REG_SEQUENCE %33, %subreg.sub0, %35, %subreg.sub1
    %37:vgpr_32 = GLOBAL_LOAD_DWORD %36, 0, 0, implicit $exec :: (load (s32) from %ir.gep, addrspace 1)
    %38:sreg_32 = V_CMP_LE_I32_e64 %37, %16, implicit $exec
    %39:sreg_32 = COPY $exec_lo
    %40:sreg_32 = S_ANDN2_B32 %27, $exec_lo, implicit-def dead $scc
    %41:sreg_32 = S_AND_B32 %38, $exec_lo, implicit-def dead $scc
    %42:sreg_32 = S_OR_B32 %40, %41, implicit-def dead $scc
    S_BRANCH %bb.5
  
  bb.3:
    successors: %bb.4(0x40000000), %bb.7(0x40000000)
  
    %43:sreg_32 = PHI %44, %bb.5, %45, %bb.6
    %46:vgpr_32 = PHI undef %47:vgpr_32, %bb.5, %48, %bb.6
    SI_END_CF %49, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    %50:sreg_32 = SI_IF %43, %bb.7, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.4
  
  bb.4:
    successors: %bb.7(0x80000000)
  
    GLOBAL_STORE_DWORD %22, %25, 0, 0, implicit $exec :: (store (s32) into %ir.gep, addrspace 1)
    %51:vgpr_32 = V_MOV_B32_e32 1, implicit $exec
    S_BRANCH %bb.7
  
  bb.5:
    successors: %bb.6(0x40000000), %bb.3(0x40000000)
  
    %52:sreg_32 = PHI %27, %bb.1, %42, %bb.2
    %44:sreg_32 = PHI %17, %bb.1, %39, %bb.2
    %22:vreg_64 = PHI %20, %bb.1, %36, %bb.2
    SI_END_CF %29, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    %49:sreg_32 = SI_IF %52, %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.6
  
  bb.6:
    successors: %bb.3(0x80000000)
  
    %53:vgpr_32 = V_LSHRREV_B32_e64 31, %25, implicit $exec
    %54:vgpr_32 = V_ADD_U32_e64 %25, %53, 0, implicit $exec
    %48:vgpr_32 = V_ASHRREV_I32_e64 1, %54, implicit $exec
    %55:sreg_32 = S_ANDN2_B32 %44, $exec_lo, implicit-def dead $scc
    %45:sreg_32 = COPY %55
    S_BRANCH %bb.3
  
  bb.7:
    successors: %bb.8(0x04000000), %bb.1(0x7c000000)
  
    %26:vgpr_32 = PHI %46, %bb.3, %51, %bb.4
    SI_END_CF %50, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    %24:sreg_32 = S_ADD_I32 %23, 1, implicit-def dead $scc
    %56:sreg_32 = V_CMP_GE_U32_e64 %24, %0, implicit $exec
    %19:sreg_32 = SI_IF_BREAK %56, %18, implicit-def dead $scc
    SI_LOOP %19, %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.8
  
  bb.8:
    SI_END_CF %19, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    GLOBAL_STORE_DWORD %7, %26, 0, 0, implicit $exec :: (store (s32) into %ir.p3, addrspace 1)
    S_ENDPGM 0
...
---


# 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 $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-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 $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": 39
# 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": "%2: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": 38
# CHECK-GX-JSON-DAG:             "%1": 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": 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": "%3: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": 37
# CHECK-GX-JSON-DAG:             "%1": 4
# CHECK-GX-JSON-DAG:             "%2": 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": 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": "%4: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": 36
# CHECK-GX-JSON-DAG:             "%1": 3
# CHECK-GX-JSON-DAG:             "%2": 3
# CHECK-GX-JSON-DAG:             "%3": 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": 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": "%5: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": 35
# CHECK-GX-JSON-DAG:             "%1": 2
# CHECK-GX-JSON-DAG:             "%2": 2
# CHECK-GX-JSON-DAG:             "%3": 3
# CHECK-GX-JSON-DAG:             "%4": 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": 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": "%6: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": 34
# CHECK-GX-JSON-DAG:             "%1": 1
# CHECK-GX-JSON-DAG:             "%2": 1
# CHECK-GX-JSON-DAG:             "%3": 2
# CHECK-GX-JSON-DAG:             "%4": 2
# CHECK-GX-JSON-DAG:             "%5": 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:          "instr": "%7:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %1, %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": 33
# CHECK-GX-JSON-DAG:             "%1": 0
# CHECK-GX-JSON-DAG:             "%2": 0
# 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:               },
# 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": "%8: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": 32
# 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": 3339
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3339
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3339
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%9: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": 31
# CHECK-GX-JSON-DAG:             "%5": 0
# CHECK-GX-JSON-DAG:             "%6": 0
# CHECK-GX-JSON-DAG:             "%7": 3338
# CHECK-GX-JSON-DAG:             "%8:sub0": 20
# CHECK-GX-JSON-DAG:             "%8:sub1": 21
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3338
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3338
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%10:vgpr_32 = GLOBAL_LOAD_UBYTE %9, 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": 30
# CHECK-GX-JSON-DAG:             "%7": 3337
# CHECK-GX-JSON-DAG:             "%8:sub0": 19
# CHECK-GX-JSON-DAG:             "%8:sub1": 20
# CHECK-GX-JSON-DAG:             "%9": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3337
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3337
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%11:vgpr_32 = GLOBAL_LOAD_UBYTE %9, 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": 29
# CHECK-GX-JSON-DAG:             "%7": 3336
# CHECK-GX-JSON-DAG:             "%8:sub0": 18
# CHECK-GX-JSON-DAG:             "%8:sub1": 19
# CHECK-GX-JSON-DAG:             "%9": 0
# CHECK-GX-JSON-DAG:             "%10": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3336
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3336
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%12:vgpr_32 = V_LSHL_OR_B32_e64 %11, 8, %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": 28
# CHECK-GX-JSON-DAG:             "%7": 3335
# CHECK-GX-JSON-DAG:             "%8:sub0": 17
# CHECK-GX-JSON-DAG:             "%8:sub1": 18
# CHECK-GX-JSON-DAG:             "%9": 1
# CHECK-GX-JSON-DAG:             "%10": 0
# CHECK-GX-JSON-DAG:             "%11": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3335
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3335
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%13:vgpr_32 = GLOBAL_LOAD_UBYTE %9, 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": 27
# CHECK-GX-JSON-DAG:             "%7": 3334
# CHECK-GX-JSON-DAG:             "%8:sub0": 16
# CHECK-GX-JSON-DAG:             "%8:sub1": 17
# CHECK-GX-JSON-DAG:             "%9": 0
# CHECK-GX-JSON-DAG:             "%12": 3
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3334
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3334
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%14:vgpr_32 = GLOBAL_LOAD_UBYTE %9, 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": 26
# CHECK-GX-JSON-DAG:             "%7": 3333
# CHECK-GX-JSON-DAG:             "%8:sub0": 15
# CHECK-GX-JSON-DAG:             "%8:sub1": 16
# CHECK-GX-JSON-DAG:             "%9": 0
# CHECK-GX-JSON-DAG:             "%12": 2
# CHECK-GX-JSON-DAG:             "%13": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3333
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3333
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%15:vgpr_32 = V_LSHL_OR_B32_e64 %14, 8, %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": 25
# CHECK-GX-JSON-DAG:             "%7": 3332
# CHECK-GX-JSON-DAG:             "%8:sub0": 14
# CHECK-GX-JSON-DAG:             "%8:sub1": 15
# CHECK-GX-JSON-DAG:             "%12": 1
# CHECK-GX-JSON-DAG:             "%13": 0
# CHECK-GX-JSON-DAG:             "%14": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3332
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3332
# 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, 16, %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": 24
# CHECK-GX-JSON-DAG:             "%7": 3331
# CHECK-GX-JSON-DAG:             "%8:sub0": 13
# CHECK-GX-JSON-DAG:             "%8:sub1": 14
# CHECK-GX-JSON-DAG:             "%12": 0
# CHECK-GX-JSON-DAG:             "%15": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3331
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3331
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%17: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": 23
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%8:sub0": 12
# CHECK-GX-JSON-DAG:             "%8:sub1": 13
# CHECK-GX-JSON-DAG:             "%16": 4
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# 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": "%18:sreg_32 = PHI %17, %bb.0, %19, %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:             "%0": 22
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%8:sub0": 11
# CHECK-GX-JSON-DAG:             "%8:sub1": 12
# CHECK-GX-JSON-DAG:             "%16": 3
# CHECK-GX-JSON-DAG:             "%17": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%20:vreg_64 = PHI undef %21:vreg_64, %bb.0, %22, %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:             "%0": 21
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%8:sub0": 10
# CHECK-GX-JSON-DAG:             "%8:sub1": 11
# CHECK-GX-JSON-DAG:             "%16": 2
# CHECK-GX-JSON-DAG:             "%17": 1
# CHECK-GX-JSON-DAG:             "%18": 22
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%23:sreg_32 = PHI %17, %bb.0, %24, %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:             "%0": 20
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%8:sub0": 9
# CHECK-GX-JSON-DAG:             "%8:sub1": 10
# CHECK-GX-JSON-DAG:             "%16": 1
# CHECK-GX-JSON-DAG:             "%17": 0
# CHECK-GX-JSON-DAG:             "%18": 21
# CHECK-GX-JSON-DAG:             "%20": 8
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%25:vgpr_32 = PHI %16, %bb.0, %26, %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:             "%0": 19
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%8:sub0": 8
# CHECK-GX-JSON-DAG:             "%8:sub1": 9
# CHECK-GX-JSON-DAG:             "%16": 0
# CHECK-GX-JSON-DAG:             "%17": 6
# CHECK-GX-JSON-DAG:             "%18": 20
# CHECK-GX-JSON-DAG:             "%20": 7
# CHECK-GX-JSON-DAG:             "%23": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%27:sreg_32 = V_CMP_GE_I32_e64 %23, %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": 18
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%8:sub0": 7
# CHECK-GX-JSON-DAG:             "%8:sub1": 8
# CHECK-GX-JSON-DAG:             "%16": 0
# CHECK-GX-JSON-DAG:             "%17": 5
# CHECK-GX-JSON-DAG:             "%18": 19
# CHECK-GX-JSON-DAG:             "%20": 6
# CHECK-GX-JSON-DAG:             "%23": 0
# CHECK-GX-JSON-DAG:             "%25": 10
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%28:sreg_32 = V_CMP_LT_I32_e64 %23, %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": 17
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%8:sub0": 6
# CHECK-GX-JSON-DAG:             "%8:sub1": 7
# CHECK-GX-JSON-DAG:             "%16": 0
# CHECK-GX-JSON-DAG:             "%17": 4
# CHECK-GX-JSON-DAG:             "%18": 18
# CHECK-GX-JSON-DAG:             "%20": 5
# CHECK-GX-JSON-DAG:             "%23": 0
# CHECK-GX-JSON-DAG:             "%25": 9
# CHECK-GX-JSON-DAG:             "%27": 3
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%29:sreg_32 = SI_IF %28, %bb.5, 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": 16
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%8:sub0": 5
# CHECK-GX-JSON-DAG:             "%8:sub1": 6
# CHECK-GX-JSON-DAG:             "%16": 9
# CHECK-GX-JSON-DAG:             "%17": 3
# CHECK-GX-JSON-DAG:             "%18": 17
# CHECK-GX-JSON-DAG:             "%20": 4
# CHECK-GX-JSON-DAG:             "%23": 2
# CHECK-GX-JSON-DAG:             "%25": 8
# CHECK-GX-JSON-DAG:             "%27": 2
# CHECK-GX-JSON-DAG:             "%28": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# 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": 15
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%8:sub0": 4
# CHECK-GX-JSON-DAG:             "%8:sub1": 5
# CHECK-GX-JSON-DAG:             "%16": 8
# CHECK-GX-JSON-DAG:             "%17": 2
# CHECK-GX-JSON-DAG:             "%18": 16
# CHECK-GX-JSON-DAG:             "%20": 3
# CHECK-GX-JSON-DAG:             "%23": 1
# CHECK-GX-JSON-DAG:             "%25": 7
# CHECK-GX-JSON-DAG:             "%27": 1
# CHECK-GX-JSON-DAG:             "%29": 4
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# 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": "%30:sreg_32_xm0 = S_ASHR_I32 %23, 31, implicit-def dead $scc",
# CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "distances": {
# CHECK-GX-JSON-DAG:             "%0": 27
# CHECK-GX-JSON-DAG:             "%7": 4994
# CHECK-GX-JSON-DAG:             "%8:sub0": 3
# CHECK-GX-JSON-DAG:             "%8:sub1": 4
# CHECK-GX-JSON-DAG:             "%16": 7
# CHECK-GX-JSON-DAG:             "%17": 14
# CHECK-GX-JSON-DAG:             "%18": 28
# CHECK-GX-JSON-DAG:             "%23": 0
# CHECK-GX-JSON-DAG:             "%25": 19
# CHECK-GX-JSON-DAG:             "%27": 9
# CHECK-GX-JSON-DAG:             "%29": 16
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%31:sreg_64 = REG_SEQUENCE %23, %subreg.sub0, %30, %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": 26
# CHECK-GX-JSON-DAG:             "%7": 4994
# CHECK-GX-JSON-DAG:             "%8:sub0": 2
# CHECK-GX-JSON-DAG:             "%8:sub1": 3
# CHECK-GX-JSON-DAG:             "%16": 6
# CHECK-GX-JSON-DAG:             "%17": 13
# CHECK-GX-JSON-DAG:             "%18": 27
# CHECK-GX-JSON-DAG:             "%23": 0
# CHECK-GX-JSON-DAG:             "%25": 18
# CHECK-GX-JSON-DAG:             "%27": 8
# CHECK-GX-JSON-DAG:             "%29": 15
# CHECK-GX-JSON-DAG:             "%30": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%32:sreg_64 = nsw S_LSHL_B64 %31, 2, 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:             "%7": 4994
# CHECK-GX-JSON-DAG:             "%8:sub0": 1
# CHECK-GX-JSON-DAG:             "%8:sub1": 2
# CHECK-GX-JSON-DAG:             "%16": 5
# CHECK-GX-JSON-DAG:             "%17": 12
# CHECK-GX-JSON-DAG:             "%18": 26
# CHECK-GX-JSON-DAG:             "%23": 24
# CHECK-GX-JSON-DAG:             "%25": 17
# CHECK-GX-JSON-DAG:             "%27": 7
# CHECK-GX-JSON-DAG:             "%29": 14
# CHECK-GX-JSON-DAG:             "%31": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%33:vgpr_32, %34:sreg_32_xm0_xexec = V_ADD_CO_U32_e64 %8.sub0, %32.sub0, 0, implicit $exec",
# CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "distances": {
# CHECK-GX-JSON-DAG:             "%0": 24
# CHECK-GX-JSON-DAG:             "%7": 4994
# CHECK-GX-JSON-DAG:             "%8:sub0": 0
# CHECK-GX-JSON-DAG:             "%8:sub1": 1
# CHECK-GX-JSON-DAG:             "%16": 4
# CHECK-GX-JSON-DAG:             "%17": 11
# CHECK-GX-JSON-DAG:             "%18": 25
# CHECK-GX-JSON-DAG:             "%23": 23
# CHECK-GX-JSON-DAG:             "%25": 16
# CHECK-GX-JSON-DAG:             "%27": 6
# CHECK-GX-JSON-DAG:             "%29": 13
# CHECK-GX-JSON-DAG:             "%32:sub0": 0
# CHECK-GX-JSON-DAG:             "%32:sub1": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%35:vgpr_32, dead $sgpr_null = V_ADDC_U32_e64 %32.sub1, %8.sub1, %34, 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": 23
# CHECK-GX-JSON-DAG:             "%7": 4994
# CHECK-GX-JSON-DAG:             "%8:sub1": 0
# CHECK-GX-JSON-DAG:             "%16": 3
# CHECK-GX-JSON-DAG:             "%17": 10
# CHECK-GX-JSON-DAG:             "%18": 24
# CHECK-GX-JSON-DAG:             "%23": 22
# CHECK-GX-JSON-DAG:             "%25": 15
# CHECK-GX-JSON-DAG:             "%27": 5
# CHECK-GX-JSON-DAG:             "%29": 12
# CHECK-GX-JSON-DAG:             "%32:sub1": 0
# CHECK-GX-JSON-DAG:             "%33": 1
# CHECK-GX-JSON-DAG:             "%34": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%36:vreg_64 = REG_SEQUENCE %33, %subreg.sub0, %35, %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": 22
# CHECK-GX-JSON-DAG:             "%7": 4994
# CHECK-GX-JSON-DAG:             "%16": 2
# CHECK-GX-JSON-DAG:             "%17": 9
# CHECK-GX-JSON-DAG:             "%18": 23
# CHECK-GX-JSON-DAG:             "%23": 21
# CHECK-GX-JSON-DAG:             "%25": 14
# CHECK-GX-JSON-DAG:             "%27": 4
# CHECK-GX-JSON-DAG:             "%29": 11
# CHECK-GX-JSON-DAG:             "%33": 0
# CHECK-GX-JSON-DAG:             "%35": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%37:vgpr_32 = GLOBAL_LOAD_DWORD %36, 0, 0, implicit $exec :: (load (s32) from %ir.gep, 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": 21
# CHECK-GX-JSON-DAG:             "%7": 4994
# CHECK-GX-JSON-DAG:             "%16": 1
# CHECK-GX-JSON-DAG:             "%17": 8
# CHECK-GX-JSON-DAG:             "%18": 22
# CHECK-GX-JSON-DAG:             "%23": 20
# CHECK-GX-JSON-DAG:             "%25": 13
# CHECK-GX-JSON-DAG:             "%27": 3
# CHECK-GX-JSON-DAG:             "%29": 10
# CHECK-GX-JSON-DAG:             "%36": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%38:sreg_32 = V_CMP_LE_I32_e64 %37, %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": 20
# CHECK-GX-JSON-DAG:             "%7": 4994
# CHECK-GX-JSON-DAG:             "%16": 0
# CHECK-GX-JSON-DAG:             "%17": 7
# CHECK-GX-JSON-DAG:             "%18": 21
# CHECK-GX-JSON-DAG:             "%23": 19
# CHECK-GX-JSON-DAG:             "%25": 12
# CHECK-GX-JSON-DAG:             "%27": 2
# CHECK-GX-JSON-DAG:             "%29": 9
# CHECK-GX-JSON-DAG:             "%36": 8
# CHECK-GX-JSON-DAG:             "%37": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%39:sreg_32 = COPY $exec_lo",
# 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:             "%7": 4994
# CHECK-GX-JSON-DAG:             "%17": 6
# CHECK-GX-JSON-DAG:             "%18": 20
# CHECK-GX-JSON-DAG:             "%23": 18
# CHECK-GX-JSON-DAG:             "%25": 11
# CHECK-GX-JSON-DAG:             "%27": 1
# CHECK-GX-JSON-DAG:             "%29": 8
# CHECK-GX-JSON-DAG:             "%36": 7
# CHECK-GX-JSON-DAG:             "%38": 2
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%40:sreg_32 = S_ANDN2_B32 %27, $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": 18
# CHECK-GX-JSON-DAG:             "%7": 4994
# CHECK-GX-JSON-DAG:             "%17": 5
# CHECK-GX-JSON-DAG:             "%18": 19
# CHECK-GX-JSON-DAG:             "%23": 17
# CHECK-GX-JSON-DAG:             "%25": 10
# CHECK-GX-JSON-DAG:             "%27": 0
# CHECK-GX-JSON-DAG:             "%29": 7
# CHECK-GX-JSON-DAG:             "%36": 6
# CHECK-GX-JSON-DAG:             "%38": 1
# CHECK-GX-JSON-DAG:             "%39": 5
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%41:sreg_32 = S_AND_B32 %38, $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": 17
# CHECK-GX-JSON-DAG:             "%7": 4994
# CHECK-GX-JSON-DAG:             "%17": 4
# CHECK-GX-JSON-DAG:             "%18": 18
# CHECK-GX-JSON-DAG:             "%23": 16
# CHECK-GX-JSON-DAG:             "%25": 9
# CHECK-GX-JSON-DAG:             "%29": 6
# CHECK-GX-JSON-DAG:             "%36": 5
# CHECK-GX-JSON-DAG:             "%38": 0
# CHECK-GX-JSON-DAG:             "%39": 4
# CHECK-GX-JSON-DAG:             "%40": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%42:sreg_32 = S_OR_B32 %40, %41, 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": 16
# CHECK-GX-JSON-DAG:             "%7": 4994
# CHECK-GX-JSON-DAG:             "%17": 3
# CHECK-GX-JSON-DAG:             "%18": 17
# CHECK-GX-JSON-DAG:             "%23": 15
# CHECK-GX-JSON-DAG:             "%25": 8
# CHECK-GX-JSON-DAG:             "%29": 5
# CHECK-GX-JSON-DAG:             "%36": 4
# CHECK-GX-JSON-DAG:             "%39": 3
# CHECK-GX-JSON-DAG:             "%40": 0
# CHECK-GX-JSON-DAG:             "%41": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# 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": 15
# CHECK-GX-JSON-DAG:             "%7": 4994
# CHECK-GX-JSON-DAG:             "%17": 2
# CHECK-GX-JSON-DAG:             "%18": 16
# CHECK-GX-JSON-DAG:             "%23": 14
# CHECK-GX-JSON-DAG:             "%25": 7
# CHECK-GX-JSON-DAG:             "%29": 4
# CHECK-GX-JSON-DAG:             "%36": 3
# CHECK-GX-JSON-DAG:             "%39": 2
# CHECK-GX-JSON-DAG:             "%42": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4994
# 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": "%43:sreg_32 = PHI %44, %bb.5, %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": 8
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 9
# CHECK-GX-JSON-DAG:             "%22": 5
# CHECK-GX-JSON-DAG:             "%23": 7
# CHECK-GX-JSON-DAG:             "%25": 5
# CHECK-GX-JSON-DAG:             "%49": 2
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%46:vgpr_32 = PHI undef %47:vgpr_32, %bb.5, %48, %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": 7
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 8
# CHECK-GX-JSON-DAG:             "%22": 4
# CHECK-GX-JSON-DAG:             "%23": 6
# CHECK-GX-JSON-DAG:             "%25": 4
# CHECK-GX-JSON-DAG:             "%43": 2
# CHECK-GX-JSON-DAG:             "%49": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %49, 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": 6
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 7
# CHECK-GX-JSON-DAG:             "%22": 3
# CHECK-GX-JSON-DAG:             "%23": 5
# CHECK-GX-JSON-DAG:             "%25": 3
# CHECK-GX-JSON-DAG:             "%43": 1
# CHECK-GX-JSON-DAG:             "%46": 3
# CHECK-GX-JSON-DAG:             "%49": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%50:sreg_32 = SI_IF %43, %bb.7, 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": 5
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 6
# CHECK-GX-JSON-DAG:             "%22": 2
# CHECK-GX-JSON-DAG:             "%23": 4
# CHECK-GX-JSON-DAG:             "%25": 2
# CHECK-GX-JSON-DAG:             "%43": 0
# CHECK-GX-JSON-DAG:             "%46": 2
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# 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": 4
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 5
# CHECK-GX-JSON-DAG:             "%22": 1
# CHECK-GX-JSON-DAG:             "%23": 3
# CHECK-GX-JSON-DAG:             "%25": 1
# CHECK-GX-JSON-DAG:             "%46": 1
# CHECK-GX-JSON-DAG:             "%50": 2
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# 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 %22, %25, 0, 0, implicit $exec :: (store (s32) into %ir.gep, 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": 6
# CHECK-GX-JSON-DAG:             "%7": 3714
# CHECK-GX-JSON-DAG:             "%18": 7
# CHECK-GX-JSON-DAG:             "%22": 0
# CHECK-GX-JSON-DAG:             "%23": 5
# CHECK-GX-JSON-DAG:             "%25": 0
# CHECK-GX-JSON-DAG:             "%50": 4
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3714
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3714
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%51:vgpr_32 = V_MOV_B32_e32 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": 5
# CHECK-GX-JSON-DAG:             "%7": 3714
# CHECK-GX-JSON-DAG:             "%18": 6
# CHECK-GX-JSON-DAG:             "%23": 4
# CHECK-GX-JSON-DAG:             "%50": 3
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3714
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3714
# 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:             "%0": 4
# CHECK-GX-JSON-DAG:             "%7": 3714
# CHECK-GX-JSON-DAG:             "%18": 5
# CHECK-GX-JSON-DAG:             "%23": 3
# CHECK-GX-JSON-DAG:             "%50": 2
# CHECK-GX-JSON-DAG:             "%51": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3714
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3714
# 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": "%52:sreg_32 = PHI %27, %bb.1, %42, %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": 14
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%17": 1
# CHECK-GX-JSON-DAG:             "%18": 15
# CHECK-GX-JSON-DAG:             "%23": 13
# CHECK-GX-JSON-DAG:             "%25": 6
# CHECK-GX-JSON-DAG:             "%29": 3
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%44:sreg_32 = PHI %17, %bb.1, %39, %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": 13
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%17": 0
# CHECK-GX-JSON-DAG:             "%18": 14
# CHECK-GX-JSON-DAG:             "%23": 12
# CHECK-GX-JSON-DAG:             "%25": 5
# CHECK-GX-JSON-DAG:             "%29": 2
# CHECK-GX-JSON-DAG:             "%52": 3
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%22:vreg_64 = PHI %20, %bb.1, %36, %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": 12
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 13
# CHECK-GX-JSON-DAG:             "%23": 11
# CHECK-GX-JSON-DAG:             "%25": 4
# CHECK-GX-JSON-DAG:             "%29": 1
# CHECK-GX-JSON-DAG:             "%44": 4
# CHECK-GX-JSON-DAG:             "%52": 2
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %29, 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": 11
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 12
# CHECK-GX-JSON-DAG:             "%22": 8
# CHECK-GX-JSON-DAG:             "%23": 10
# CHECK-GX-JSON-DAG:             "%25": 3
# CHECK-GX-JSON-DAG:             "%29": 0
# CHECK-GX-JSON-DAG:             "%44": 3
# CHECK-GX-JSON-DAG:             "%52": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%49:sreg_32 = SI_IF %52, %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
# CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "distances": {
# CHECK-GX-JSON-DAG:             "%0": 10
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 11
# CHECK-GX-JSON-DAG:             "%22": 7
# CHECK-GX-JSON-DAG:             "%23": 9
# CHECK-GX-JSON-DAG:             "%25": 2
# CHECK-GX-JSON-DAG:             "%44": 2
# CHECK-GX-JSON-DAG:             "%52": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# 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": 9
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 10
# CHECK-GX-JSON-DAG:             "%22": 6
# CHECK-GX-JSON-DAG:             "%23": 8
# CHECK-GX-JSON-DAG:             "%25": 1
# CHECK-GX-JSON-DAG:             "%44": 1
# CHECK-GX-JSON-DAG:             "%49": 3
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# 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": "%53:vgpr_32 = V_LSHRREV_B32_e64 31, %25, 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:             "%7": 4098
# CHECK-GX-JSON-DAG:             "%18": 15
# CHECK-GX-JSON-DAG:             "%22": 11
# CHECK-GX-JSON-DAG:             "%23": 13
# CHECK-GX-JSON-DAG:             "%25": 0
# CHECK-GX-JSON-DAG:             "%44": 3
# CHECK-GX-JSON-DAG:             "%49": 8
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4098
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4098
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%54:vgpr_32 = V_ADD_U32_e64 %25, %53, 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": 13
# CHECK-GX-JSON-DAG:             "%7": 4098
# CHECK-GX-JSON-DAG:             "%18": 14
# CHECK-GX-JSON-DAG:             "%22": 10
# CHECK-GX-JSON-DAG:             "%23": 12
# CHECK-GX-JSON-DAG:             "%25": 0
# CHECK-GX-JSON-DAG:             "%44": 2
# CHECK-GX-JSON-DAG:             "%49": 7
# CHECK-GX-JSON-DAG:             "%53": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4098
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4098
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%48:vgpr_32 = V_ASHRREV_I32_e64 1, %54, implicit $exec",
# CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "distances": {
# CHECK-GX-JSON-DAG:             "%0": 12
# CHECK-GX-JSON-DAG:             "%7": 4098
# CHECK-GX-JSON-DAG:             "%18": 13
# CHECK-GX-JSON-DAG:             "%22": 9
# CHECK-GX-JSON-DAG:             "%23": 11
# CHECK-GX-JSON-DAG:             "%25": 9
# CHECK-GX-JSON-DAG:             "%44": 1
# CHECK-GX-JSON-DAG:             "%49": 6
# CHECK-GX-JSON-DAG:             "%54": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4098
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4098
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%55:sreg_32 = S_ANDN2_B32 %44, $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": 11
# CHECK-GX-JSON-DAG:             "%7": 4098
# CHECK-GX-JSON-DAG:             "%18": 12
# CHECK-GX-JSON-DAG:             "%22": 8
# CHECK-GX-JSON-DAG:             "%23": 10
# CHECK-GX-JSON-DAG:             "%25": 8
# CHECK-GX-JSON-DAG:             "%44": 0
# CHECK-GX-JSON-DAG:             "%48": 4
# CHECK-GX-JSON-DAG:             "%49": 5
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4098
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4098
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%45:sreg_32 = COPY %55",
# 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:             "%7": 4098
# CHECK-GX-JSON-DAG:             "%18": 11
# CHECK-GX-JSON-DAG:             "%22": 7
# CHECK-GX-JSON-DAG:             "%23": 9
# CHECK-GX-JSON-DAG:             "%25": 7
# CHECK-GX-JSON-DAG:             "%48": 3
# CHECK-GX-JSON-DAG:             "%49": 4
# CHECK-GX-JSON-DAG:             "%55": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4098
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4098
# 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": 9
# CHECK-GX-JSON-DAG:             "%7": 4098
# CHECK-GX-JSON-DAG:             "%18": 10
# CHECK-GX-JSON-DAG:             "%22": 6
# CHECK-GX-JSON-DAG:             "%23": 8
# CHECK-GX-JSON-DAG:             "%25": 6
# CHECK-GX-JSON-DAG:             "%45": 1
# CHECK-GX-JSON-DAG:             "%48": 2
# CHECK-GX-JSON-DAG:             "%49": 3
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4098
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 4098
# 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": "%26:vgpr_32 = PHI %46, %bb.3, %51, %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": 3
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 4
# CHECK-GX-JSON-DAG:             "%23": 2
# CHECK-GX-JSON-DAG:             "%50": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %50, 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": 2
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 3
# CHECK-GX-JSON-DAG:             "%23": 1
# CHECK-GX-JSON-DAG:             "%26": 3330
# CHECK-GX-JSON-DAG:             "%50": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%24:sreg_32 = S_ADD_I32 %23, 1, implicit-def dead $scc",
# CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "distances": {
# CHECK-GX-JSON-DAG:             "%0": 1
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 2
# CHECK-GX-JSON-DAG:             "%23": 0
# CHECK-GX-JSON-DAG:             "%26": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%56:sreg_32 = V_CMP_GE_U32_e64 %24, %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:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 1
# CHECK-GX-JSON-DAG:             "%24": 0
# CHECK-GX-JSON-DAG:             "%26": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%19:sreg_32 = SI_IF_BREAK %56, %18, 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:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%18": 0
# CHECK-GX-JSON-DAG:             "%26": 3330
# CHECK-GX-JSON-DAG:             "%56": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "SI_LOOP %19, %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:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%19": 0
# CHECK-GX-JSON-DAG:             "%26": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "S_BRANCH %bb.8",
# CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "distances": {
# CHECK-GX-JSON-DAG:             "%7": 3330
# CHECK-GX-JSON-DAG:             "%19": 3329
# CHECK-GX-JSON-DAG:             "%26": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 3330
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        }
# CHECK-GX-JSON-NEXT:      ],
# CHECK-GX-JSON-NEXT:      "bb.8": [
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "SI_END_CF %19, 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:             "%7": 1
# CHECK-GX-JSON-DAG:             "%19": 0
# CHECK-GX-JSON-DAG:             "%26": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# 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": "%7",
# 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": "GLOBAL_STORE_DWORD %7, %26, 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:             "%7": 0
# CHECK-GX-JSON-DAG:             "%26": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%7",
# 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": "%7",
# 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": "S_ENDPGM 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-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": 40,
# CHECK-GX-JSON-DAG:       "%1": 6,
# CHECK-GX-JSON-DAG:       "%2": 5,
# CHECK-GX-JSON-DAG:       "%3": 5,
# CHECK-GX-JSON-DAG:       "%4": 4,
# CHECK-GX-JSON-DAG:       "%5": 4,
# CHECK-GX-JSON-DAG:       "%6": 3,
# CHECK-GX-JSON-DAG:       "%7": 3340,
# CHECK-GX-JSON-DAG:       "%8": 21,
# CHECK-GX-JSON-DAG:       "%9": 1,
# CHECK-GX-JSON-DAG:       "%10": 2,
# CHECK-GX-JSON-DAG:       "%11": 1,
# CHECK-GX-JSON-DAG:       "%12": 4,
# CHECK-GX-JSON-DAG:       "%13": 2,
# CHECK-GX-JSON-DAG:       "%14": 1,
# CHECK-GX-JSON-DAG:       "%15": 1,
# CHECK-GX-JSON-DAG:       "%16": 5,
# CHECK-GX-JSON-DAG:       "%17": 1,
# CHECK-GX-JSON-DAG:       "%18": 23,
# CHECK-GX-JSON-DAG:       "%20": 9,
# CHECK-GX-JSON-DAG:       "%23": 2,
# CHECK-GX-JSON-DAG:       "%25": 11,
# CHECK-GX-JSON-DAG:       "%27": 4,
# CHECK-GX-JSON-DAG:       "%28": 1,
# CHECK-GX-JSON-DAG:       "%29": 5,
# CHECK-GX-JSON-DAG:       "%30": 1,
# CHECK-GX-JSON-DAG:       "%31": 1,
# CHECK-GX-JSON-DAG:       "%32": 1,
# CHECK-GX-JSON-DAG:       "%33": 2,
# CHECK-GX-JSON-DAG:       "%34": 1,
# CHECK-GX-JSON-DAG:       "%35": 1,
# CHECK-GX-JSON-DAG:       "%36": 1,
# CHECK-GX-JSON-DAG:       "%37": 1,
# CHECK-GX-JSON-DAG:       "%38": 3,
# CHECK-GX-JSON-DAG:       "%39": 6,
# CHECK-GX-JSON-DAG:       "%40": 2,
# CHECK-GX-JSON-DAG:       "%41": 1,
# CHECK-GX-JSON-DAG:       "%42": 2,
# CHECK-GX-JSON-DAG:       "%43": 3,
# CHECK-GX-JSON-DAG:       "%46": 4,
# CHECK-GX-JSON-DAG:       "%50": 3,
# CHECK-GX-JSON-DAG:       "%51": 2,
# CHECK-GX-JSON-DAG:       "%52": 4,
# CHECK-GX-JSON-DAG:       "%44": 5,
# CHECK-GX-JSON-DAG:       "%22": 9,
# CHECK-GX-JSON-DAG:       "%49": 4,
# CHECK-GX-JSON-DAG:       "%53": 1,
# CHECK-GX-JSON-DAG:       "%54": 1,
# CHECK-GX-JSON-DAG:       "%48": 5,
# CHECK-GX-JSON-DAG:       "%55": 1,
# CHECK-GX-JSON-DAG:       "%45": 2,
# CHECK-GX-JSON-DAG:       "%26": 3330,
# CHECK-GX-JSON-DAG:       "%24": 1,
# CHECK-GX-JSON-DAG:       "%56": 1,
# CHECK-GX-JSON-DAG:       "%19": 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 $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-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 $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": 16
# 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": "%2: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": 15
# CHECK-CP-JSON-DAG:             "%1": 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": 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": "%3: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": 14
# CHECK-CP-JSON-DAG:             "%1": 4
# CHECK-CP-JSON-DAG:             "%2": 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": 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": "%4: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": 13
# CHECK-CP-JSON-DAG:             "%1": 3
# CHECK-CP-JSON-DAG:             "%2": 3
# CHECK-CP-JSON-DAG:             "%3": 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": 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": "%5: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": 12
# CHECK-CP-JSON-DAG:             "%1": 2
# CHECK-CP-JSON-DAG:             "%2": 2
# CHECK-CP-JSON-DAG:             "%3": 3
# CHECK-CP-JSON-DAG:             "%4": 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": 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": "%6: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": 11
# CHECK-CP-JSON-DAG:             "%1": 1
# CHECK-CP-JSON-DAG:             "%2": 1
# CHECK-CP-JSON-DAG:             "%3": 2
# CHECK-CP-JSON-DAG:             "%4": 2
# CHECK-CP-JSON-DAG:             "%5": 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": 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": "%7:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %1, %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": 10
# CHECK-CP-JSON-DAG:             "%1": 0
# CHECK-CP-JSON-DAG:             "%2": 0
# 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:               },
# 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": "%8: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": 9
# 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": 27
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 27
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 27
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%9: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": 8
# CHECK-CP-JSON-DAG:             "%5": 0
# CHECK-CP-JSON-DAG:             "%6": 0
# CHECK-CP-JSON-DAG:             "%7": 26
# CHECK-CP-JSON-DAG:             "%8:sub0": 8
# CHECK-CP-JSON-DAG:             "%8:sub1": 8
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 26
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 26
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%10:vgpr_32 = GLOBAL_LOAD_UBYTE %9, 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": 7
# CHECK-CP-JSON-DAG:             "%7": 25
# CHECK-CP-JSON-DAG:             "%8:sub0": 7
# CHECK-CP-JSON-DAG:             "%8:sub1": 7
# CHECK-CP-JSON-DAG:             "%9": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 25
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 25
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%11:vgpr_32 = GLOBAL_LOAD_UBYTE %9, 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": 6
# CHECK-CP-JSON-DAG:             "%7": 24
# CHECK-CP-JSON-DAG:             "%8:sub0": 6
# CHECK-CP-JSON-DAG:             "%8:sub1": 6
# CHECK-CP-JSON-DAG:             "%9": 0
# CHECK-CP-JSON-DAG:             "%10": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# 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": "%7",
# 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": "%12:vgpr_32 = V_LSHL_OR_B32_e64 %11, 8, %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": 5
# CHECK-CP-JSON-DAG:             "%7": 23
# CHECK-CP-JSON-DAG:             "%8:sub0": 5
# CHECK-CP-JSON-DAG:             "%8:sub1": 5
# CHECK-CP-JSON-DAG:             "%9": 1
# CHECK-CP-JSON-DAG:             "%10": 0
# CHECK-CP-JSON-DAG:             "%11": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# 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": "%7",
# 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": "%13:vgpr_32 = GLOBAL_LOAD_UBYTE %9, 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": 4
# CHECK-CP-JSON-DAG:             "%7": 22
# CHECK-CP-JSON-DAG:             "%8:sub0": 4
# CHECK-CP-JSON-DAG:             "%8:sub1": 4
# CHECK-CP-JSON-DAG:             "%9": 0
# CHECK-CP-JSON-DAG:             "%12": 3
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# 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": "%7",
# 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": "%14:vgpr_32 = GLOBAL_LOAD_UBYTE %9, 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": 3
# CHECK-CP-JSON-DAG:             "%7": 21
# CHECK-CP-JSON-DAG:             "%8:sub0": 3
# CHECK-CP-JSON-DAG:             "%8:sub1": 3
# CHECK-CP-JSON-DAG:             "%9": 0
# CHECK-CP-JSON-DAG:             "%12": 2
# CHECK-CP-JSON-DAG:             "%13": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# 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": "%7",
# 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": "%15:vgpr_32 = V_LSHL_OR_B32_e64 %14, 8, %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": 2
# CHECK-CP-JSON-DAG:             "%7": 20
# CHECK-CP-JSON-DAG:             "%8:sub0": 2
# CHECK-CP-JSON-DAG:             "%8:sub1": 2
# CHECK-CP-JSON-DAG:             "%12": 1
# CHECK-CP-JSON-DAG:             "%13": 0
# CHECK-CP-JSON-DAG:             "%14": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# 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": "%7",
# 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": "%16:vgpr_32 = V_LSHL_OR_B32_e64 %15, 16, %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": 1
# CHECK-CP-JSON-DAG:             "%7": 19
# CHECK-CP-JSON-DAG:             "%8:sub0": 1
# CHECK-CP-JSON-DAG:             "%8:sub1": 1
# CHECK-CP-JSON-DAG:             "%12": 0
# CHECK-CP-JSON-DAG:             "%15": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# 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": "%7",
# 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": "%17: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": 0
# CHECK-CP-JSON-DAG:             "%7": 18
# CHECK-CP-JSON-DAG:             "%8:sub0": 0
# CHECK-CP-JSON-DAG:             "%8:sub1": 0
# CHECK-CP-JSON-DAG:             "%16": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# 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": "%7",
# 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:      "bb.1": [
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%18:sreg_32 = PHI %17, %bb.0, %19, %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": 12
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 7
# CHECK-CP-JSON-DAG:             "%8:sub1": 8
# CHECK-CP-JSON-DAG:             "%16": 0
# CHECK-CP-JSON-DAG:             "%17": 3
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%20:vreg_64 = PHI undef %21:vreg_64, %bb.0, %22, %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": 12
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 7
# CHECK-CP-JSON-DAG:             "%8:sub1": 8
# CHECK-CP-JSON-DAG:             "%16": 0
# CHECK-CP-JSON-DAG:             "%17": 3
# CHECK-CP-JSON-DAG:             "%18": 13
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%23:sreg_32 = PHI %17, %bb.0, %24, %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": 12
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 7
# CHECK-CP-JSON-DAG:             "%8:sub1": 8
# CHECK-CP-JSON-DAG:             "%16": 0
# CHECK-CP-JSON-DAG:             "%17": 3
# CHECK-CP-JSON-DAG:             "%18": 13
# CHECK-CP-JSON-DAG:             "%20": 3
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%25:vgpr_32 = PHI %16, %bb.0, %26, %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": 12
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 7
# CHECK-CP-JSON-DAG:             "%8:sub1": 8
# CHECK-CP-JSON-DAG:             "%16": 0
# CHECK-CP-JSON-DAG:             "%17": 3
# CHECK-CP-JSON-DAG:             "%18": 13
# CHECK-CP-JSON-DAG:             "%20": 3
# CHECK-CP-JSON-DAG:             "%23": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%27:sreg_32 = V_CMP_GE_I32_e64 %23, %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": 12
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 7
# CHECK-CP-JSON-DAG:             "%8:sub1": 8
# CHECK-CP-JSON-DAG:             "%16": 0
# CHECK-CP-JSON-DAG:             "%17": 3
# CHECK-CP-JSON-DAG:             "%18": 13
# CHECK-CP-JSON-DAG:             "%20": 3
# CHECK-CP-JSON-DAG:             "%23": 0
# CHECK-CP-JSON-DAG:             "%25": 7
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%28:sreg_32 = V_CMP_LT_I32_e64 %23, %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": 11
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 6
# CHECK-CP-JSON-DAG:             "%8:sub1": 7
# CHECK-CP-JSON-DAG:             "%16": 0
# CHECK-CP-JSON-DAG:             "%17": 2
# CHECK-CP-JSON-DAG:             "%18": 12
# CHECK-CP-JSON-DAG:             "%20": 2
# CHECK-CP-JSON-DAG:             "%23": 0
# CHECK-CP-JSON-DAG:             "%25": 6
# CHECK-CP-JSON-DAG:             "%27": 2
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%29:sreg_32 = SI_IF %28, %bb.5, 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": 10
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 5
# CHECK-CP-JSON-DAG:             "%8:sub1": 6
# CHECK-CP-JSON-DAG:             "%16": 9
# CHECK-CP-JSON-DAG:             "%17": 1
# CHECK-CP-JSON-DAG:             "%18": 11
# CHECK-CP-JSON-DAG:             "%20": 1
# CHECK-CP-JSON-DAG:             "%23": 2
# CHECK-CP-JSON-DAG:             "%25": 5
# CHECK-CP-JSON-DAG:             "%27": 1
# CHECK-CP-JSON-DAG:             "%28": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# 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": 9
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 4
# CHECK-CP-JSON-DAG:             "%8:sub1": 5
# CHECK-CP-JSON-DAG:             "%16": 8
# CHECK-CP-JSON-DAG:             "%17": 0
# CHECK-CP-JSON-DAG:             "%18": 10
# CHECK-CP-JSON-DAG:             "%20": 0
# CHECK-CP-JSON-DAG:             "%23": 1
# CHECK-CP-JSON-DAG:             "%25": 4
# CHECK-CP-JSON-DAG:             "%27": 0
# CHECK-CP-JSON-DAG:             "%29": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# 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": "%30:sreg_32_xm0 = S_ASHR_I32 %23, 31, implicit-def dead $scc",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 21
# CHECK-CP-JSON-DAG:             "%7": 3714
# CHECK-CP-JSON-DAG:             "%8:sub0": 3
# CHECK-CP-JSON-DAG:             "%8:sub1": 4
# CHECK-CP-JSON-DAG:             "%16": 7
# CHECK-CP-JSON-DAG:             "%17": 28
# CHECK-CP-JSON-DAG:             "%18": 22
# CHECK-CP-JSON-DAG:             "%23": 0
# CHECK-CP-JSON-DAG:             "%25": 16
# CHECK-CP-JSON-DAG:             "%27": 9
# CHECK-CP-JSON-DAG:             "%29": 13
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%31:sreg_64 = REG_SEQUENCE %23, %subreg.sub0, %30, %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": 20
# CHECK-CP-JSON-DAG:             "%7": 3714
# CHECK-CP-JSON-DAG:             "%8:sub0": 2
# CHECK-CP-JSON-DAG:             "%8:sub1": 3
# CHECK-CP-JSON-DAG:             "%16": 6
# CHECK-CP-JSON-DAG:             "%17": 27
# CHECK-CP-JSON-DAG:             "%18": 21
# CHECK-CP-JSON-DAG:             "%23": 0
# CHECK-CP-JSON-DAG:             "%25": 15
# CHECK-CP-JSON-DAG:             "%27": 8
# CHECK-CP-JSON-DAG:             "%29": 12
# CHECK-CP-JSON-DAG:             "%30": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%32:sreg_64 = nsw S_LSHL_B64 %31, 2, 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": 19
# CHECK-CP-JSON-DAG:             "%7": 3714
# CHECK-CP-JSON-DAG:             "%8:sub0": 1
# CHECK-CP-JSON-DAG:             "%8:sub1": 2
# CHECK-CP-JSON-DAG:             "%16": 5
# CHECK-CP-JSON-DAG:             "%17": 26
# CHECK-CP-JSON-DAG:             "%18": 20
# CHECK-CP-JSON-DAG:             "%23": 18
# CHECK-CP-JSON-DAG:             "%25": 14
# CHECK-CP-JSON-DAG:             "%27": 7
# CHECK-CP-JSON-DAG:             "%29": 11
# CHECK-CP-JSON-DAG:             "%31": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%33:vgpr_32, %34:sreg_32_xm0_xexec = V_ADD_CO_U32_e64 %8.sub0, %32.sub0, 0, implicit $exec",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 18
# CHECK-CP-JSON-DAG:             "%7": 3714
# CHECK-CP-JSON-DAG:             "%8:sub0": 0
# CHECK-CP-JSON-DAG:             "%8:sub1": 1
# CHECK-CP-JSON-DAG:             "%16": 4
# CHECK-CP-JSON-DAG:             "%17": 25
# CHECK-CP-JSON-DAG:             "%18": 19
# CHECK-CP-JSON-DAG:             "%23": 17
# CHECK-CP-JSON-DAG:             "%25": 13
# CHECK-CP-JSON-DAG:             "%27": 6
# CHECK-CP-JSON-DAG:             "%29": 10
# CHECK-CP-JSON-DAG:             "%32:sub0": 0
# CHECK-CP-JSON-DAG:             "%32:sub1": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%35:vgpr_32, dead $sgpr_null = V_ADDC_U32_e64 %32.sub1, %8.sub1, %34, 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": 17
# CHECK-CP-JSON-DAG:             "%7": 3714
# CHECK-CP-JSON-DAG:             "%8:sub0": 28
# CHECK-CP-JSON-DAG:             "%8:sub1": 0
# CHECK-CP-JSON-DAG:             "%16": 3
# CHECK-CP-JSON-DAG:             "%17": 24
# CHECK-CP-JSON-DAG:             "%18": 18
# CHECK-CP-JSON-DAG:             "%23": 16
# CHECK-CP-JSON-DAG:             "%25": 12
# CHECK-CP-JSON-DAG:             "%27": 5
# CHECK-CP-JSON-DAG:             "%29": 9
# CHECK-CP-JSON-DAG:             "%32:sub1": 0
# CHECK-CP-JSON-DAG:             "%33": 1
# CHECK-CP-JSON-DAG:             "%34": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%36:vreg_64 = REG_SEQUENCE %33, %subreg.sub0, %35, %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:             "%7": 3714
# CHECK-CP-JSON-DAG:             "%8:sub0": 27
# CHECK-CP-JSON-DAG:             "%8:sub1": 28
# CHECK-CP-JSON-DAG:             "%16": 2
# CHECK-CP-JSON-DAG:             "%17": 23
# CHECK-CP-JSON-DAG:             "%18": 17
# CHECK-CP-JSON-DAG:             "%23": 15
# CHECK-CP-JSON-DAG:             "%25": 11
# CHECK-CP-JSON-DAG:             "%27": 4
# CHECK-CP-JSON-DAG:             "%29": 8
# CHECK-CP-JSON-DAG:             "%33": 0
# CHECK-CP-JSON-DAG:             "%35": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%37:vgpr_32 = GLOBAL_LOAD_DWORD %36, 0, 0, implicit $exec :: (load (s32) from %ir.gep, 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": 15
# CHECK-CP-JSON-DAG:             "%7": 3714
# CHECK-CP-JSON-DAG:             "%8:sub0": 26
# CHECK-CP-JSON-DAG:             "%8:sub1": 27
# CHECK-CP-JSON-DAG:             "%16": 1
# CHECK-CP-JSON-DAG:             "%17": 22
# CHECK-CP-JSON-DAG:             "%18": 16
# CHECK-CP-JSON-DAG:             "%23": 14
# CHECK-CP-JSON-DAG:             "%25": 10
# CHECK-CP-JSON-DAG:             "%27": 3
# CHECK-CP-JSON-DAG:             "%29": 7
# CHECK-CP-JSON-DAG:             "%36": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%38:sreg_32 = V_CMP_LE_I32_e64 %37, %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": 14
# CHECK-CP-JSON-DAG:             "%7": 3714
# CHECK-CP-JSON-DAG:             "%8:sub0": 25
# CHECK-CP-JSON-DAG:             "%8:sub1": 26
# CHECK-CP-JSON-DAG:             "%16": 0
# CHECK-CP-JSON-DAG:             "%17": 21
# CHECK-CP-JSON-DAG:             "%18": 15
# CHECK-CP-JSON-DAG:             "%23": 13
# CHECK-CP-JSON-DAG:             "%25": 9
# CHECK-CP-JSON-DAG:             "%27": 2
# CHECK-CP-JSON-DAG:             "%29": 6
# CHECK-CP-JSON-DAG:             "%36": 5
# CHECK-CP-JSON-DAG:             "%37": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%39:sreg_32 = COPY $exec_lo",
# 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:             "%7": 3714
# CHECK-CP-JSON-DAG:             "%8:sub0": 24
# CHECK-CP-JSON-DAG:             "%8:sub1": 25
# CHECK-CP-JSON-DAG:             "%16": 17
# CHECK-CP-JSON-DAG:             "%17": 20
# CHECK-CP-JSON-DAG:             "%18": 14
# CHECK-CP-JSON-DAG:             "%23": 12
# CHECK-CP-JSON-DAG:             "%25": 8
# CHECK-CP-JSON-DAG:             "%27": 1
# CHECK-CP-JSON-DAG:             "%29": 5
# CHECK-CP-JSON-DAG:             "%36": 4
# CHECK-CP-JSON-DAG:             "%38": 2
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%40:sreg_32 = S_ANDN2_B32 %27, $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": 12
# CHECK-CP-JSON-DAG:             "%7": 3714
# CHECK-CP-JSON-DAG:             "%8:sub0": 23
# CHECK-CP-JSON-DAG:             "%8:sub1": 24
# CHECK-CP-JSON-DAG:             "%16": 16
# CHECK-CP-JSON-DAG:             "%17": 19
# CHECK-CP-JSON-DAG:             "%18": 13
# CHECK-CP-JSON-DAG:             "%23": 11
# CHECK-CP-JSON-DAG:             "%25": 7
# CHECK-CP-JSON-DAG:             "%27": 0
# CHECK-CP-JSON-DAG:             "%29": 4
# CHECK-CP-JSON-DAG:             "%36": 3
# CHECK-CP-JSON-DAG:             "%38": 1
# CHECK-CP-JSON-DAG:             "%39": 3
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%41:sreg_32 = S_AND_B32 %38, $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": 11
# CHECK-CP-JSON-DAG:             "%7": 3714
# CHECK-CP-JSON-DAG:             "%8:sub0": 22
# CHECK-CP-JSON-DAG:             "%8:sub1": 23
# CHECK-CP-JSON-DAG:             "%16": 15
# CHECK-CP-JSON-DAG:             "%17": 18
# CHECK-CP-JSON-DAG:             "%18": 12
# CHECK-CP-JSON-DAG:             "%23": 10
# CHECK-CP-JSON-DAG:             "%25": 6
# CHECK-CP-JSON-DAG:             "%29": 3
# CHECK-CP-JSON-DAG:             "%36": 2
# CHECK-CP-JSON-DAG:             "%38": 0
# CHECK-CP-JSON-DAG:             "%39": 2
# CHECK-CP-JSON-DAG:             "%40": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%42:sreg_32 = S_OR_B32 %40, %41, 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:             "%7": 3714
# CHECK-CP-JSON-DAG:             "%8:sub0": 21
# CHECK-CP-JSON-DAG:             "%8:sub1": 22
# CHECK-CP-JSON-DAG:             "%16": 14
# CHECK-CP-JSON-DAG:             "%17": 17
# CHECK-CP-JSON-DAG:             "%18": 11
# CHECK-CP-JSON-DAG:             "%23": 9
# CHECK-CP-JSON-DAG:             "%25": 5
# CHECK-CP-JSON-DAG:             "%29": 2
# CHECK-CP-JSON-DAG:             "%36": 1
# CHECK-CP-JSON-DAG:             "%39": 1
# CHECK-CP-JSON-DAG:             "%40": 0
# CHECK-CP-JSON-DAG:             "%41": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# 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": 9
# CHECK-CP-JSON-DAG:             "%7": 3714
# CHECK-CP-JSON-DAG:             "%8:sub0": 20
# CHECK-CP-JSON-DAG:             "%8:sub1": 21
# CHECK-CP-JSON-DAG:             "%16": 13
# CHECK-CP-JSON-DAG:             "%17": 16
# CHECK-CP-JSON-DAG:             "%18": 10
# CHECK-CP-JSON-DAG:             "%23": 8
# CHECK-CP-JSON-DAG:             "%25": 4
# CHECK-CP-JSON-DAG:             "%29": 1
# CHECK-CP-JSON-DAG:             "%36": 0
# CHECK-CP-JSON-DAG:             "%39": 0
# CHECK-CP-JSON-DAG:             "%42": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 3714
# 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": "%43:sreg_32 = PHI %44, %bb.5, %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": 5
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 16
# CHECK-CP-JSON-DAG:             "%8:sub1": 17
# CHECK-CP-JSON-DAG:             "%16": 9
# CHECK-CP-JSON-DAG:             "%17": 12
# CHECK-CP-JSON-DAG:             "%18": 6
# CHECK-CP-JSON-DAG:             "%22": 3
# CHECK-CP-JSON-DAG:             "%23": 4
# CHECK-CP-JSON-DAG:             "%25": 3
# CHECK-CP-JSON-DAG:             "%49": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%46:vgpr_32 = PHI undef %47:vgpr_32, %bb.5, %48, %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:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 16
# CHECK-CP-JSON-DAG:             "%8:sub1": 17
# CHECK-CP-JSON-DAG:             "%16": 9
# CHECK-CP-JSON-DAG:             "%17": 12
# CHECK-CP-JSON-DAG:             "%18": 6
# CHECK-CP-JSON-DAG:             "%22": 3
# CHECK-CP-JSON-DAG:             "%23": 4
# CHECK-CP-JSON-DAG:             "%25": 3
# CHECK-CP-JSON-DAG:             "%43": 1
# CHECK-CP-JSON-DAG:             "%49": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %49, 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": 5
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 16
# CHECK-CP-JSON-DAG:             "%8:sub1": 17
# CHECK-CP-JSON-DAG:             "%16": 9
# CHECK-CP-JSON-DAG:             "%17": 12
# CHECK-CP-JSON-DAG:             "%18": 6
# CHECK-CP-JSON-DAG:             "%22": 3
# CHECK-CP-JSON-DAG:             "%23": 4
# CHECK-CP-JSON-DAG:             "%25": 3
# CHECK-CP-JSON-DAG:             "%43": 1
# CHECK-CP-JSON-DAG:             "%46": 2
# CHECK-CP-JSON-DAG:             "%49": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%50:sreg_32 = SI_IF %43, %bb.7, 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:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 15
# CHECK-CP-JSON-DAG:             "%8:sub1": 16
# CHECK-CP-JSON-DAG:             "%16": 8
# CHECK-CP-JSON-DAG:             "%17": 11
# CHECK-CP-JSON-DAG:             "%18": 5
# CHECK-CP-JSON-DAG:             "%22": 2
# CHECK-CP-JSON-DAG:             "%23": 3
# CHECK-CP-JSON-DAG:             "%25": 2
# CHECK-CP-JSON-DAG:             "%43": 0
# CHECK-CP-JSON-DAG:             "%46": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# 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": 3
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 14
# CHECK-CP-JSON-DAG:             "%8:sub1": 15
# CHECK-CP-JSON-DAG:             "%16": 7
# CHECK-CP-JSON-DAG:             "%17": 10
# CHECK-CP-JSON-DAG:             "%18": 4
# CHECK-CP-JSON-DAG:             "%22": 1
# CHECK-CP-JSON-DAG:             "%23": 2
# CHECK-CP-JSON-DAG:             "%25": 1
# CHECK-CP-JSON-DAG:             "%46": 0
# CHECK-CP-JSON-DAG:             "%50": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# 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 %22, %25, 0, 0, implicit $exec :: (store (s32) into %ir.gep, 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": 5
# CHECK-CP-JSON-DAG:             "%7": 2434
# CHECK-CP-JSON-DAG:             "%8:sub0": 16
# CHECK-CP-JSON-DAG:             "%8:sub1": 17
# CHECK-CP-JSON-DAG:             "%16": 9
# CHECK-CP-JSON-DAG:             "%17": 12
# CHECK-CP-JSON-DAG:             "%18": 6
# CHECK-CP-JSON-DAG:             "%22": 0
# CHECK-CP-JSON-DAG:             "%23": 4
# CHECK-CP-JSON-DAG:             "%25": 0
# CHECK-CP-JSON-DAG:             "%50": 3
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2434
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2434
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%51:vgpr_32 = V_MOV_B32_e32 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": 4
# CHECK-CP-JSON-DAG:             "%7": 2434
# CHECK-CP-JSON-DAG:             "%8:sub0": 15
# CHECK-CP-JSON-DAG:             "%8:sub1": 16
# CHECK-CP-JSON-DAG:             "%16": 8
# CHECK-CP-JSON-DAG:             "%17": 11
# CHECK-CP-JSON-DAG:             "%18": 5
# CHECK-CP-JSON-DAG:             "%23": 3
# CHECK-CP-JSON-DAG:             "%50": 2
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2434
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2434
# 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": 3
# CHECK-CP-JSON-DAG:             "%7": 2434
# CHECK-CP-JSON-DAG:             "%8:sub0": 14
# CHECK-CP-JSON-DAG:             "%8:sub1": 15
# CHECK-CP-JSON-DAG:             "%16": 7
# CHECK-CP-JSON-DAG:             "%17": 10
# CHECK-CP-JSON-DAG:             "%18": 4
# CHECK-CP-JSON-DAG:             "%23": 2
# CHECK-CP-JSON-DAG:             "%50": 1
# CHECK-CP-JSON-DAG:             "%51": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2434
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2434
# 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": "%52:sreg_32 = PHI %27, %bb.1, %42, %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": 8
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 19
# CHECK-CP-JSON-DAG:             "%8:sub1": 20
# CHECK-CP-JSON-DAG:             "%16": 12
# CHECK-CP-JSON-DAG:             "%17": 15
# CHECK-CP-JSON-DAG:             "%18": 9
# CHECK-CP-JSON-DAG:             "%23": 7
# CHECK-CP-JSON-DAG:             "%25": 3
# CHECK-CP-JSON-DAG:             "%29": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%44:sreg_32 = PHI %17, %bb.1, %39, %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": 8
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 19
# CHECK-CP-JSON-DAG:             "%8:sub1": 20
# CHECK-CP-JSON-DAG:             "%16": 12
# CHECK-CP-JSON-DAG:             "%17": 15
# CHECK-CP-JSON-DAG:             "%18": 9
# CHECK-CP-JSON-DAG:             "%23": 7
# CHECK-CP-JSON-DAG:             "%25": 3
# CHECK-CP-JSON-DAG:             "%29": 0
# CHECK-CP-JSON-DAG:             "%52": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%22:vreg_64 = PHI %20, %bb.1, %36, %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": 8
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 19
# CHECK-CP-JSON-DAG:             "%8:sub1": 20
# CHECK-CP-JSON-DAG:             "%16": 12
# CHECK-CP-JSON-DAG:             "%17": 15
# CHECK-CP-JSON-DAG:             "%18": 9
# CHECK-CP-JSON-DAG:             "%23": 7
# CHECK-CP-JSON-DAG:             "%25": 3
# CHECK-CP-JSON-DAG:             "%29": 0
# CHECK-CP-JSON-DAG:             "%44": 2
# CHECK-CP-JSON-DAG:             "%52": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %29, 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": 8
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 19
# CHECK-CP-JSON-DAG:             "%8:sub1": 20
# CHECK-CP-JSON-DAG:             "%16": 12
# CHECK-CP-JSON-DAG:             "%17": 15
# CHECK-CP-JSON-DAG:             "%18": 9
# CHECK-CP-JSON-DAG:             "%22": 6
# CHECK-CP-JSON-DAG:             "%23": 7
# CHECK-CP-JSON-DAG:             "%25": 3
# CHECK-CP-JSON-DAG:             "%29": 0
# CHECK-CP-JSON-DAG:             "%44": 2
# CHECK-CP-JSON-DAG:             "%52": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%49:sreg_32 = SI_IF %52, %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 7
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 18
# CHECK-CP-JSON-DAG:             "%8:sub1": 19
# CHECK-CP-JSON-DAG:             "%16": 11
# CHECK-CP-JSON-DAG:             "%17": 14
# CHECK-CP-JSON-DAG:             "%18": 8
# CHECK-CP-JSON-DAG:             "%22": 5
# CHECK-CP-JSON-DAG:             "%23": 6
# CHECK-CP-JSON-DAG:             "%25": 2
# CHECK-CP-JSON-DAG:             "%44": 1
# CHECK-CP-JSON-DAG:             "%52": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# 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": 6
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 17
# CHECK-CP-JSON-DAG:             "%8:sub1": 18
# CHECK-CP-JSON-DAG:             "%16": 10
# CHECK-CP-JSON-DAG:             "%17": 13
# CHECK-CP-JSON-DAG:             "%18": 7
# CHECK-CP-JSON-DAG:             "%22": 4
# CHECK-CP-JSON-DAG:             "%23": 5
# CHECK-CP-JSON-DAG:             "%25": 1
# CHECK-CP-JSON-DAG:             "%44": 0
# CHECK-CP-JSON-DAG:             "%49": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# 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": "%53:vgpr_32 = V_LSHRREV_B32_e64 31, %25, 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:             "%7": 2818
# CHECK-CP-JSON-DAG:             "%8:sub0": 22
# CHECK-CP-JSON-DAG:             "%8:sub1": 23
# CHECK-CP-JSON-DAG:             "%16": 15
# CHECK-CP-JSON-DAG:             "%17": 18
# CHECK-CP-JSON-DAG:             "%18": 12
# CHECK-CP-JSON-DAG:             "%22": 9
# CHECK-CP-JSON-DAG:             "%23": 10
# CHECK-CP-JSON-DAG:             "%25": 0
# CHECK-CP-JSON-DAG:             "%44": 3
# CHECK-CP-JSON-DAG:             "%49": 6
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2818
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2818
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%54:vgpr_32 = V_ADD_U32_e64 %25, %53, 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": 10
# CHECK-CP-JSON-DAG:             "%7": 2818
# CHECK-CP-JSON-DAG:             "%8:sub0": 21
# CHECK-CP-JSON-DAG:             "%8:sub1": 22
# CHECK-CP-JSON-DAG:             "%16": 14
# CHECK-CP-JSON-DAG:             "%17": 17
# CHECK-CP-JSON-DAG:             "%18": 11
# CHECK-CP-JSON-DAG:             "%22": 8
# CHECK-CP-JSON-DAG:             "%23": 9
# CHECK-CP-JSON-DAG:             "%25": 0
# CHECK-CP-JSON-DAG:             "%44": 2
# CHECK-CP-JSON-DAG:             "%49": 5
# CHECK-CP-JSON-DAG:             "%53": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2818
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2818
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%48:vgpr_32 = V_ASHRREV_I32_e64 1, %54, implicit $exec",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 9
# CHECK-CP-JSON-DAG:             "%7": 2818
# CHECK-CP-JSON-DAG:             "%8:sub0": 20
# CHECK-CP-JSON-DAG:             "%8:sub1": 21
# CHECK-CP-JSON-DAG:             "%16": 13
# CHECK-CP-JSON-DAG:             "%17": 16
# CHECK-CP-JSON-DAG:             "%18": 10
# CHECK-CP-JSON-DAG:             "%22": 7
# CHECK-CP-JSON-DAG:             "%23": 8
# CHECK-CP-JSON-DAG:             "%25": 7
# CHECK-CP-JSON-DAG:             "%44": 1
# CHECK-CP-JSON-DAG:             "%49": 4
# CHECK-CP-JSON-DAG:             "%54": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2818
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2818
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%55:sreg_32 = S_ANDN2_B32 %44, $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": 8
# CHECK-CP-JSON-DAG:             "%7": 2818
# CHECK-CP-JSON-DAG:             "%8:sub0": 19
# CHECK-CP-JSON-DAG:             "%8:sub1": 20
# CHECK-CP-JSON-DAG:             "%16": 12
# CHECK-CP-JSON-DAG:             "%17": 15
# CHECK-CP-JSON-DAG:             "%18": 9
# CHECK-CP-JSON-DAG:             "%22": 6
# CHECK-CP-JSON-DAG:             "%23": 7
# CHECK-CP-JSON-DAG:             "%25": 6
# CHECK-CP-JSON-DAG:             "%44": 0
# CHECK-CP-JSON-DAG:             "%48": 2
# CHECK-CP-JSON-DAG:             "%49": 3
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2818
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2818
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%45:sreg_32 = COPY %55",
# 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:             "%7": 2818
# CHECK-CP-JSON-DAG:             "%8:sub0": 18
# CHECK-CP-JSON-DAG:             "%8:sub1": 19
# CHECK-CP-JSON-DAG:             "%16": 11
# CHECK-CP-JSON-DAG:             "%17": 14
# CHECK-CP-JSON-DAG:             "%18": 8
# CHECK-CP-JSON-DAG:             "%22": 5
# CHECK-CP-JSON-DAG:             "%23": 6
# CHECK-CP-JSON-DAG:             "%25": 5
# CHECK-CP-JSON-DAG:             "%48": 1
# CHECK-CP-JSON-DAG:             "%49": 2
# CHECK-CP-JSON-DAG:             "%55": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2818
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2818
# 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": 6
# CHECK-CP-JSON-DAG:             "%7": 2818
# CHECK-CP-JSON-DAG:             "%8:sub0": 17
# CHECK-CP-JSON-DAG:             "%8:sub1": 18
# CHECK-CP-JSON-DAG:             "%16": 10
# CHECK-CP-JSON-DAG:             "%17": 13
# CHECK-CP-JSON-DAG:             "%18": 7
# CHECK-CP-JSON-DAG:             "%22": 4
# CHECK-CP-JSON-DAG:             "%23": 5
# CHECK-CP-JSON-DAG:             "%25": 4
# CHECK-CP-JSON-DAG:             "%45": 0
# CHECK-CP-JSON-DAG:             "%48": 0
# CHECK-CP-JSON-DAG:             "%49": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2818
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2818
# 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": "%26:vgpr_32 = PHI %46, %bb.3, %51, %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": 2
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 13
# CHECK-CP-JSON-DAG:             "%8:sub1": 14
# CHECK-CP-JSON-DAG:             "%16": 6
# CHECK-CP-JSON-DAG:             "%17": 9
# CHECK-CP-JSON-DAG:             "%18": 3
# CHECK-CP-JSON-DAG:             "%23": 1
# CHECK-CP-JSON-DAG:             "%50": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %50, 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": 2
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 13
# CHECK-CP-JSON-DAG:             "%8:sub1": 14
# CHECK-CP-JSON-DAG:             "%16": 6
# CHECK-CP-JSON-DAG:             "%17": 9
# CHECK-CP-JSON-DAG:             "%18": 3
# CHECK-CP-JSON-DAG:             "%23": 1
# CHECK-CP-JSON-DAG:             "%26": 5
# CHECK-CP-JSON-DAG:             "%50": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%24:sreg_32 = S_ADD_I32 %23, 1, implicit-def dead $scc",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 1
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 12
# CHECK-CP-JSON-DAG:             "%8:sub1": 13
# CHECK-CP-JSON-DAG:             "%16": 5
# CHECK-CP-JSON-DAG:             "%17": 8
# CHECK-CP-JSON-DAG:             "%18": 2
# CHECK-CP-JSON-DAG:             "%23": 0
# CHECK-CP-JSON-DAG:             "%26": 4
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%56:sreg_32 = V_CMP_GE_U32_e64 %24, %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:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 11
# CHECK-CP-JSON-DAG:             "%8:sub1": 12
# CHECK-CP-JSON-DAG:             "%16": 4
# CHECK-CP-JSON-DAG:             "%17": 7
# CHECK-CP-JSON-DAG:             "%18": 1
# CHECK-CP-JSON-DAG:             "%24": 0
# CHECK-CP-JSON-DAG:             "%26": 3
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%19:sreg_32 = SI_IF_BREAK %56, %18, 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": 21
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 10
# CHECK-CP-JSON-DAG:             "%8:sub1": 11
# CHECK-CP-JSON-DAG:             "%16": 3
# CHECK-CP-JSON-DAG:             "%17": 6
# CHECK-CP-JSON-DAG:             "%18": 0
# CHECK-CP-JSON-DAG:             "%24": 2
# CHECK-CP-JSON-DAG:             "%26": 2
# CHECK-CP-JSON-DAG:             "%56": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "SI_LOOP %19, %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": 20
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 9
# CHECK-CP-JSON-DAG:             "%8:sub1": 10
# CHECK-CP-JSON-DAG:             "%16": 2
# CHECK-CP-JSON-DAG:             "%17": 5
# CHECK-CP-JSON-DAG:             "%19": 0
# CHECK-CP-JSON-DAG:             "%24": 1
# CHECK-CP-JSON-DAG:             "%26": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "S_BRANCH %bb.8",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 19
# CHECK-CP-JSON-DAG:             "%7": 2050
# CHECK-CP-JSON-DAG:             "%8:sub0": 8
# CHECK-CP-JSON-DAG:             "%8:sub1": 9
# CHECK-CP-JSON-DAG:             "%16": 1
# CHECK-CP-JSON-DAG:             "%17": 4
# CHECK-CP-JSON-DAG:             "%19": 0
# CHECK-CP-JSON-DAG:             "%24": 0
# CHECK-CP-JSON-DAG:             "%26": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2050
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        }
# CHECK-CP-JSON-NEXT:      ],
# CHECK-CP-JSON-NEXT:      "bb.8": [
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "SI_END_CF %19, 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:             "%7": 1
# CHECK-CP-JSON-DAG:             "%19": 0
# CHECK-CP-JSON-DAG:             "%26": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# 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": "%7",
# 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": "GLOBAL_STORE_DWORD %7, %26, 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:             "%7": 0
# CHECK-CP-JSON-DAG:             "%26": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%7",
# 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": "%7",
# 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": "S_ENDPGM 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-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": 17,
# CHECK-CP-JSON-DAG:       "%1": 6,
# CHECK-CP-JSON-DAG:       "%2": 5,
# CHECK-CP-JSON-DAG:       "%3": 5,
# CHECK-CP-JSON-DAG:       "%4": 4,
# CHECK-CP-JSON-DAG:       "%5": 4,
# CHECK-CP-JSON-DAG:       "%6": 3,
# CHECK-CP-JSON-DAG:       "%7": 28,
# CHECK-CP-JSON-DAG:       "%8": 9,
# CHECK-CP-JSON-DAG:       "%9": 1,
# CHECK-CP-JSON-DAG:       "%10": 2,
# CHECK-CP-JSON-DAG:       "%11": 1,
# CHECK-CP-JSON-DAG:       "%12": 4,
# CHECK-CP-JSON-DAG:       "%13": 2,
# CHECK-CP-JSON-DAG:       "%14": 1,
# CHECK-CP-JSON-DAG:       "%15": 1,
# CHECK-CP-JSON-DAG:       "%16": 1,
# CHECK-CP-JSON-DAG:       "%17": 0,
# CHECK-CP-JSON-DAG:       "%18": 13,
# CHECK-CP-JSON-DAG:       "%20": 3,
# CHECK-CP-JSON-DAG:       "%23": 0,
# CHECK-CP-JSON-DAG:       "%25": 7,
# CHECK-CP-JSON-DAG:       "%27": 3,
# CHECK-CP-JSON-DAG:       "%28": 1,
# CHECK-CP-JSON-DAG:       "%29": 2,
# CHECK-CP-JSON-DAG:       "%30": 1,
# CHECK-CP-JSON-DAG:       "%31": 1,
# CHECK-CP-JSON-DAG:       "%32": 1,
# CHECK-CP-JSON-DAG:       "%33": 2,
# CHECK-CP-JSON-DAG:       "%34": 1,
# CHECK-CP-JSON-DAG:       "%35": 1,
# CHECK-CP-JSON-DAG:       "%36": 1,
# CHECK-CP-JSON-DAG:       "%37": 1,
# CHECK-CP-JSON-DAG:       "%38": 3,
# CHECK-CP-JSON-DAG:       "%39": 4,
# CHECK-CP-JSON-DAG:       "%40": 2,
# CHECK-CP-JSON-DAG:       "%41": 1,
# CHECK-CP-JSON-DAG:       "%42": 1,
# CHECK-CP-JSON-DAG:       "%43": 1,
# CHECK-CP-JSON-DAG:       "%46": 2,
# CHECK-CP-JSON-DAG:       "%50": 2,
# CHECK-CP-JSON-DAG:       "%51": 1,
# CHECK-CP-JSON-DAG:       "%52": 1,
# CHECK-CP-JSON-DAG:       "%44": 2,
# CHECK-CP-JSON-DAG:       "%22": 6,
# CHECK-CP-JSON-DAG:       "%49": 2,
# CHECK-CP-JSON-DAG:       "%53": 1,
# CHECK-CP-JSON-DAG:       "%54": 1,
# CHECK-CP-JSON-DAG:       "%48": 3,
# CHECK-CP-JSON-DAG:       "%55": 1,
# CHECK-CP-JSON-DAG:       "%45": 1,
# CHECK-CP-JSON-DAG:       "%26": 5,
# CHECK-CP-JSON-DAG:       "%24": 1,
# CHECK-CP-JSON-DAG:       "%56": 1,
# CHECK-CP-JSON-DAG:       "%19": 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:      }