llvm/test/CodeGen/AMDGPU/NextUseAnalysis/simple-loop-3blocks.mir

# 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

--- |
  define amdgpu_ps void @test4(ptr addrspace(3) %p) {
  ret void
  }
...
---
name:            test4
tracksRegLiveness: true
body:             |
  bb.0:
    successors: %bb.1(0x80000000)
    liveins: $vgpr0, $vgpr1
  
    %0:vgpr_32 = COPY $vgpr1
    %1:vgpr_32 = COPY $vgpr0
    %2:vgpr_32 = V_MOV_B32_e32 100, implicit $exec
    %3:sreg_32 = S_MOV_B32 0
  
  bb.1:
    successors: %bb.1(0x40000000), %bb.2(0x40000000)
  
    %4:sreg_32 = PHI %3, %bb.0, %5, %bb.1
    %6:vgpr_32 = PHI %1, %bb.0, %7, %bb.1
    %8:vgpr_32 = PHI %2, %bb.0, %9, %bb.1
    %10:sreg_32 = PHI %3, %bb.0, %11, %bb.1
    %12:vgpr_32 = DS_READ_U8_gfx9 %6, 0, 0, implicit $exec :: (load (s8) from %ir.p, addrspace 3)
    %13:vgpr_32 = DS_READ_U8_gfx9 %6, 1, 0, implicit $exec :: (load (s8) from %ir.p + 1, addrspace 3)
    %14:vgpr_32 = DS_READ_U8_gfx9 %6, 2, 0, implicit $exec :: (load (s8) from %ir.p + 2, addrspace 3)
    %15:vgpr_32 = DS_READ_U8_gfx9 %6, 3, 0, implicit $exec :: (load (s8) from %ir.p + 3, addrspace 3)
    %16:vgpr_32 = V_LSHL_OR_B32_e64 %13, 8, %12, implicit $exec
    %17:vgpr_32 = V_LSHL_OR_B32_e64 %15, 8, %14, implicit $exec
    %18:vgpr_32 = V_LSHL_OR_B32_e64 %17, 16, %16, implicit $exec
    %9:vgpr_32 = V_ADD_U32_e64 %10, %18, 0, implicit $exec
    %11:sreg_32 = S_ADD_I32 %10, 1, implicit-def dead $scc
    %7:vgpr_32 = V_ADD_U32_e64 4, %6, 0, implicit $exec
    %19:sreg_32 = V_CMP_GE_U32_e64 %11, %0, implicit $exec
    %5:sreg_32 = SI_IF_BREAK %19, %4, implicit-def dead $scc
    SI_LOOP %5, %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.2
  
  bb.2:
    SI_END_CF %5, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    DS_WRITE_B32_gfx9 %1, %8, 0, 0, implicit $exec :: (store (s32) into %ir.p, addrspace 3)
    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 $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-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 $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": 17
# 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": 17
# 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": 17
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%2:vgpr_32 = V_MOV_B32_e32 100, implicit $exec",
# CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "distances": {
# CHECK-GX-JSON-DAG:             "%0": 16
# CHECK-GX-JSON-DAG:             "%1": 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": 16
# 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": 16
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%3: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": 15
# CHECK-GX-JSON-DAG:             "%1": 2
# CHECK-GX-JSON-DAG:             "%2": 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": 15
# 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": 15
# 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": "%4:sreg_32 = PHI %3, %bb.0, %5, %bb.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": 14
# CHECK-GX-JSON-DAG:             "%1": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%0",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 14
# 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": 14
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%6:vgpr_32 = PHI %1, %bb.0, %7, %bb.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": 13
# CHECK-GX-JSON-DAG:             "%1": 0
# CHECK-GX-JSON-DAG:             "%4": 14
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%4",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 14
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%4",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 14
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%8:vgpr_32 = PHI %2, %bb.0, %9, %bb.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": 12
# CHECK-GX-JSON-DAG:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 13
# CHECK-GX-JSON-DAG:             "%6": 2
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%10:sreg_32 = PHI %3, %bb.0, %11, %bb.1",
# CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "distances": {
# CHECK-GX-JSON-DAG:             "%0": 11
# CHECK-GX-JSON-DAG:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 12
# CHECK-GX-JSON-DAG:             "%6": 1
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%12:vgpr_32 = DS_READ_U8_gfx9 %6, 0, 0, implicit $exec :: (load (s8) from %ir.p, addrspace 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": 10
# CHECK-GX-JSON-DAG:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 11
# CHECK-GX-JSON-DAG:             "%6": 0
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON-DAG:             "%10": 7
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%13:vgpr_32 = DS_READ_U8_gfx9 %6, 1, 0, implicit $exec :: (load (s8) from %ir.p + 1, addrspace 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:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 10
# CHECK-GX-JSON-DAG:             "%6": 0
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON-DAG:             "%10": 6
# CHECK-GX-JSON-DAG:             "%12": 3
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%14:vgpr_32 = DS_READ_U8_gfx9 %6, 2, 0, implicit $exec :: (load (s8) from %ir.p + 2, addrspace 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": 8
# CHECK-GX-JSON-DAG:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 9
# CHECK-GX-JSON-DAG:             "%6": 0
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON-DAG:             "%10": 5
# CHECK-GX-JSON-DAG:             "%12": 2
# CHECK-GX-JSON-DAG:             "%13": 2
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%15:vgpr_32 = DS_READ_U8_gfx9 %6, 3, 0, implicit $exec :: (load (s8) from %ir.p + 3, addrspace 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": 7
# CHECK-GX-JSON-DAG:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 8
# CHECK-GX-JSON-DAG:             "%6": 0
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON-DAG:             "%10": 4
# CHECK-GX-JSON-DAG:             "%12": 1
# CHECK-GX-JSON-DAG:             "%13": 1
# CHECK-GX-JSON-DAG:             "%14": 2
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%16:vgpr_32 = V_LSHL_OR_B32_e64 %13, 8, %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": 6
# CHECK-GX-JSON-DAG:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 7
# CHECK-GX-JSON-DAG:             "%6": 5
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON-DAG:             "%10": 3
# CHECK-GX-JSON-DAG:             "%12": 0
# CHECK-GX-JSON-DAG:             "%13": 0
# CHECK-GX-JSON-DAG:             "%14": 1
# CHECK-GX-JSON-DAG:             "%15": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%17:vgpr_32 = V_LSHL_OR_B32_e64 %15, 8, %14, implicit $exec",
# CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "distances": {
# CHECK-GX-JSON-DAG:             "%0": 5
# CHECK-GX-JSON-DAG:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 6
# CHECK-GX-JSON-DAG:             "%6": 4
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON-DAG:             "%10": 2
# CHECK-GX-JSON-DAG:             "%14": 0
# CHECK-GX-JSON-DAG:             "%15": 0
# CHECK-GX-JSON-DAG:             "%16": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%18:vgpr_32 = V_LSHL_OR_B32_e64 %17, 16, %16, implicit $exec",
# CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "distances": {
# CHECK-GX-JSON-DAG:             "%0": 4
# CHECK-GX-JSON-DAG:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 5
# CHECK-GX-JSON-DAG:             "%6": 3
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON-DAG:             "%10": 1
# CHECK-GX-JSON-DAG:             "%16": 0
# CHECK-GX-JSON-DAG:             "%17": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%9:vgpr_32 = V_ADD_U32_e64 %10, %18, 0, implicit $exec",
# CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "distances": {
# CHECK-GX-JSON-DAG:             "%0": 3
# CHECK-GX-JSON-DAG:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 4
# CHECK-GX-JSON-DAG:             "%6": 2
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON-DAG:             "%10": 0
# CHECK-GX-JSON-DAG:             "%18": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%11:sreg_32 = S_ADD_I32 %10, 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": 2
# CHECK-GX-JSON-DAG:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 3
# CHECK-GX-JSON-DAG:             "%6": 1
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON-DAG:             "%10": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%7:vgpr_32 = V_ADD_U32_e64 4, %6, 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": 1
# CHECK-GX-JSON-DAG:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 2
# CHECK-GX-JSON-DAG:             "%6": 0
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON-DAG:             "%11": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%19:sreg_32 = V_CMP_GE_U32_e64 %11, %0, implicit $exec",
# CHECK-GX-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-GX-JSON-NEXT:          "distances": {
# CHECK-GX-JSON-DAG:             "%0": 0
# CHECK-GX-JSON-DAG:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 1
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON-DAG:             "%11": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "%5:sreg_32 = SI_IF_BREAK %19, %4, 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:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%4": 0
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON-DAG:             "%19": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "SI_LOOP %5, %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:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%5": 0
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# 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:             "%1": 2306
# CHECK-GX-JSON-DAG:             "%5": 2305
# CHECK-GX-JSON-DAG:             "%8": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 2306
# 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": "SI_END_CF %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:             "%1": 1
# CHECK-GX-JSON-DAG:             "%5": 0
# CHECK-GX-JSON-DAG:             "%8": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 1
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 1
# CHECK-GX-JSON:               }
# CHECK-GX-JSON-NEXT:        },
# CHECK-GX-JSON-NEXT:        {
# CHECK-GX-JSON-NEXT:          "instr": "DS_WRITE_B32_gfx9 %1, %8, 0, 0, implicit $exec :: (store (s32) into %ir.p, addrspace 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:             "%1": 0
# CHECK-GX-JSON-DAG:             "%8": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 0
# CHECK-GX-JSON:               },
# CHECK-GX-JSON-NEXT:          "furthest-subreg": {
# CHECK-GX-JSON-DAG:             "register": "%1",
# CHECK-GX-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-GX-JSON-DAG:             "distance": 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": 18,
# CHECK-GX-JSON-DAG:       "%1": 4,
# CHECK-GX-JSON-DAG:       "%2": 4,
# CHECK-GX-JSON-DAG:       "%3": 1,
# CHECK-GX-JSON-DAG:       "%4": 15,
# CHECK-GX-JSON-DAG:       "%6": 3,
# CHECK-GX-JSON-DAG:       "%8": 2306,
# CHECK-GX-JSON-DAG:       "%10": 8,
# CHECK-GX-JSON-DAG:       "%12": 4,
# CHECK-GX-JSON-DAG:       "%13": 3,
# CHECK-GX-JSON-DAG:       "%14": 3,
# CHECK-GX-JSON-DAG:       "%15": 2,
# CHECK-GX-JSON-DAG:       "%16": 2,
# CHECK-GX-JSON-DAG:       "%17": 1,
# CHECK-GX-JSON-DAG:       "%18": 1,
# CHECK-GX-JSON-DAG:       "%9": "<unreachable>",
# CHECK-GX-JSON-DAG:       "%11": 2,
# CHECK-GX-JSON-DAG:       "%7": "<unreachable>",
# CHECK-GX-JSON-DAG:       "%19": 1,
# CHECK-GX-JSON-DAG:       "%5": 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 $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-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 $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": 2
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%0",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%0",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 2
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%2:vgpr_32 = V_MOV_B32_e32 100, implicit $exec",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 1
# CHECK-CP-JSON-DAG:             "%1": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%0",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%0",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%3: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:             "%1": 0
# CHECK-CP-JSON-DAG:             "%2": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%0",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%0",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 0
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        }
# CHECK-CP-JSON-NEXT:      ],
# CHECK-CP-JSON-NEXT:      "bb.1": [
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%4:sreg_32 = PHI %3, %bb.0, %5, %bb.1",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 10
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%6:vgpr_32 = PHI %1, %bb.0, %7, %bb.1",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 10
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 11
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%8:vgpr_32 = PHI %2, %bb.0, %9, %bb.1",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 10
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 11
# CHECK-CP-JSON-DAG:             "%6": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%10:sreg_32 = PHI %3, %bb.0, %11, %bb.1",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 10
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 11
# CHECK-CP-JSON-DAG:             "%6": 0
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%12:vgpr_32 = DS_READ_U8_gfx9 %6, 0, 0, implicit $exec :: (load (s8) from %ir.p, addrspace 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": 10
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 11
# CHECK-CP-JSON-DAG:             "%6": 0
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%10": 7
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%13:vgpr_32 = DS_READ_U8_gfx9 %6, 1, 0, implicit $exec :: (load (s8) from %ir.p + 1, addrspace 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": 9
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 10
# CHECK-CP-JSON-DAG:             "%6": 0
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%10": 6
# CHECK-CP-JSON-DAG:             "%12": 3
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%14:vgpr_32 = DS_READ_U8_gfx9 %6, 2, 0, implicit $exec :: (load (s8) from %ir.p + 2, addrspace 3)",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 8
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 9
# CHECK-CP-JSON-DAG:             "%6": 0
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%10": 5
# CHECK-CP-JSON-DAG:             "%12": 2
# CHECK-CP-JSON-DAG:             "%13": 2
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%15:vgpr_32 = DS_READ_U8_gfx9 %6, 3, 0, implicit $exec :: (load (s8) from %ir.p + 3, addrspace 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": 7
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 8
# CHECK-CP-JSON-DAG:             "%6": 0
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%10": 4
# CHECK-CP-JSON-DAG:             "%12": 1
# CHECK-CP-JSON-DAG:             "%13": 1
# CHECK-CP-JSON-DAG:             "%14": 2
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%16:vgpr_32 = V_LSHL_OR_B32_e64 %13, 8, %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": 6
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 7
# CHECK-CP-JSON-DAG:             "%6": 5
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%10": 3
# CHECK-CP-JSON-DAG:             "%12": 0
# CHECK-CP-JSON-DAG:             "%13": 0
# CHECK-CP-JSON-DAG:             "%14": 1
# CHECK-CP-JSON-DAG:             "%15": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%17:vgpr_32 = V_LSHL_OR_B32_e64 %15, 8, %14, implicit $exec",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 5
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 6
# CHECK-CP-JSON-DAG:             "%6": 4
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%10": 2
# CHECK-CP-JSON-DAG:             "%14": 0
# CHECK-CP-JSON-DAG:             "%15": 0
# CHECK-CP-JSON-DAG:             "%16": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%18:vgpr_32 = V_LSHL_OR_B32_e64 %17, 16, %16, implicit $exec",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 4
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 5
# CHECK-CP-JSON-DAG:             "%6": 3
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%10": 1
# CHECK-CP-JSON-DAG:             "%16": 0
# CHECK-CP-JSON-DAG:             "%17": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%9:vgpr_32 = V_ADD_U32_e64 %10, %18, 0, implicit $exec",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 3
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 4
# CHECK-CP-JSON-DAG:             "%6": 2
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%10": 0
# CHECK-CP-JSON-DAG:             "%18": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%11:sreg_32 = S_ADD_I32 %10, 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": 2
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 3
# CHECK-CP-JSON-DAG:             "%6": 1
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%9": 5
# CHECK-CP-JSON-DAG:             "%10": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%7:vgpr_32 = V_ADD_U32_e64 4, %6, 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": 1
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 2
# CHECK-CP-JSON-DAG:             "%6": 0
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%9": 4
# CHECK-CP-JSON-DAG:             "%11": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%19:sreg_32 = V_CMP_GE_U32_e64 %11, %0, implicit $exec",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 0
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 1
# CHECK-CP-JSON-DAG:             "%7": 3
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%9": 3
# CHECK-CP-JSON-DAG:             "%11": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "%5:sreg_32 = SI_IF_BREAK %19, %4, 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": 27
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%4": 0
# CHECK-CP-JSON-DAG:             "%7": 2
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%9": 2
# CHECK-CP-JSON-DAG:             "%11": 2
# CHECK-CP-JSON-DAG:             "%19": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "SI_LOOP %5, %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec",
# CHECK-CP-JSON-NEXT:          "id": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "head-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "tail-len": {{[0-9]+}},
# CHECK-CP-JSON-NEXT:          "distances": {
# CHECK-CP-JSON-DAG:             "%0": 26
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%5": 0
# CHECK-CP-JSON-DAG:             "%7": 1
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%9": 1
# CHECK-CP-JSON-DAG:             "%11": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# 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": 25
# CHECK-CP-JSON-DAG:             "%1": 1794
# CHECK-CP-JSON-DAG:             "%5": 0
# CHECK-CP-JSON-DAG:             "%7": 0
# CHECK-CP-JSON-DAG:             "%8": 1794
# CHECK-CP-JSON-DAG:             "%9": 0
# CHECK-CP-JSON-DAG:             "%11": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1794
# 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": "SI_END_CF %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:             "%1": 1
# CHECK-CP-JSON-DAG:             "%5": 0
# CHECK-CP-JSON-DAG:             "%8": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 1
# CHECK-CP-JSON:               }
# CHECK-CP-JSON-NEXT:        },
# CHECK-CP-JSON-NEXT:        {
# CHECK-CP-JSON-NEXT:          "instr": "DS_WRITE_B32_gfx9 %1, %8, 0, 0, implicit $exec :: (store (s32) into %ir.p, addrspace 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:             "%1": 0
# CHECK-CP-JSON-DAG:             "%8": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 0
# CHECK-CP-JSON:               },
# CHECK-CP-JSON-NEXT:          "furthest-subreg": {
# CHECK-CP-JSON-DAG:             "register": "%1",
# CHECK-CP-JSON-DAG:             "use": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "use-mi": "{{[^"]+}}",
# CHECK-CP-JSON-DAG:             "distance": 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": 3,
# CHECK-CP-JSON-DAG:       "%1": 2,
# CHECK-CP-JSON-DAG:       "%2": 1,
# CHECK-CP-JSON-DAG:       "%3": 0,
# CHECK-CP-JSON-DAG:       "%4": 11,
# CHECK-CP-JSON-DAG:       "%6": 0,
# CHECK-CP-JSON-DAG:       "%8": 1794,
# CHECK-CP-JSON-DAG:       "%10": 7,
# CHECK-CP-JSON-DAG:       "%12": 4,
# CHECK-CP-JSON-DAG:       "%13": 3,
# CHECK-CP-JSON-DAG:       "%14": 3,
# CHECK-CP-JSON-DAG:       "%15": 2,
# CHECK-CP-JSON-DAG:       "%16": 2,
# CHECK-CP-JSON-DAG:       "%17": 1,
# CHECK-CP-JSON-DAG:       "%18": 1,
# CHECK-CP-JSON-DAG:       "%9": 6,
# CHECK-CP-JSON-DAG:       "%11": 2,
# CHECK-CP-JSON-DAG:       "%7": 4,
# CHECK-CP-JSON-DAG:       "%19": 1,
# CHECK-CP-JSON-DAG:       "%5": 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:      }