# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx942 -run-pass si-fold-operands %s -o - | FileCheck %s
# RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx942 -start-before=si-fold-operands -stop-after=register-coalescer %s -o - | FileCheck %s --check-prefixes=COALESCE
# RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx908 -start-before=si-fold-operands -stop-after=register-coalescer %s -o - | FileCheck %s --check-prefixes=GFX908-COALESCE

...
---
name:            test
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: test
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
  ; CHECK-NEXT:   liveins: $sgpr4_sgpr5
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:sgpr_64(p4) = COPY $sgpr4_sgpr5
  ; CHECK-NEXT:   [[S_LOAD_DWORD_IMM:%[0-9]+]]:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM [[COPY]](p4), 0, 0 :: (dereferenceable invariant load (s32), align 16, addrspace 4)
  ; CHECK-NEXT:   S_BITCMP1_B32 killed [[S_LOAD_DWORD_IMM]], 0, implicit-def $scc
  ; CHECK-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sgpr_32 = S_MOV_B32 0
  ; CHECK-NEXT:   [[S_CSELECT_B64_:%[0-9]+]]:sreg_64_xexec = S_CSELECT_B64 -1, 0, implicit $scc
  ; CHECK-NEXT:   [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:agpr_32 = COPY [[V_MOV_B32_e32_]]
  ; CHECK-NEXT:   [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
  ; CHECK-NEXT:   [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, [[S_CSELECT_B64_]], implicit $exec
  ; CHECK-NEXT:   [[V_CMP_NE_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_NE_U32_e64 [[V_CNDMASK_B32_e64_]], 1, implicit $exec
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   successors: %bb.2(0x40000000), %bb.3(0x40000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[PHI:%[0-9]+]]:agpr_32 = PHI [[COPY1]], %bb.0, %24, %bb.3
  ; CHECK-NEXT:   [[PHI1:%[0-9]+]]:sreg_32 = PHI [[S_MOV_B32_]], %bb.0, %11, %bb.3
  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[PHI]]
  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:agpr_32 = COPY [[PHI]]
  ; CHECK-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 -1
  ; CHECK-NEXT:   $vcc = S_AND_B64 $exec, [[V_CMP_NE_U32_e64_]], implicit-def $scc
  ; CHECK-NEXT:   S_CBRANCH_VCCNZ %bb.3, implicit $vcc
  ; CHECK-NEXT:   S_BRANCH %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   successors: %bb.3(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[S_OR_B32_:%[0-9]+]]:sreg_32 = S_OR_B32 [[PHI1]], 1, implicit-def dead $scc
  ; CHECK-NEXT:   [[S_ASHR_I32_:%[0-9]+]]:sreg_32 = S_ASHR_I32 [[PHI1]], 31, implicit-def dead $scc
  ; CHECK-NEXT:   [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 killed [[S_ASHR_I32_]], killed [[S_OR_B32_]], implicit-def dead $scc
  ; CHECK-NEXT:   [[REG_SEQUENCE:%[0-9]+]]:vreg_128_align2 = REG_SEQUENCE [[COPY2]], %subreg.sub0, [[V_MOV_B32_e32_]], %subreg.sub1, [[V_MOV_B32_e32_]], %subreg.sub2, [[V_MOV_B32_e32_]], %subreg.sub3
  ; CHECK-NEXT:   [[REG_SEQUENCE1:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[S_MOV_B32_]], %subreg.sub0, [[S_MOV_B32_]], %subreg.sub1
  ; CHECK-NEXT:   [[COPY4:%[0-9]+]]:vreg_64_align2 = COPY [[REG_SEQUENCE1]]
  ; CHECK-NEXT:   [[V_ACCVGPR_WRITE_B32_e64_:%[0-9]+]]:agpr_32 = V_ACCVGPR_WRITE_B32_e64 0, implicit $exec
  ; CHECK-NEXT:   [[V_ACCVGPR_WRITE_B32_e64_1:%[0-9]+]]:agpr_32 = V_ACCVGPR_WRITE_B32_e64 0, implicit $exec
  ; CHECK-NEXT:   [[V_ACCVGPR_WRITE_B32_e64_2:%[0-9]+]]:agpr_32 = V_ACCVGPR_WRITE_B32_e64 0, implicit $exec
  ; CHECK-NEXT:   [[REG_SEQUENCE2:%[0-9]+]]:areg_128_align2 = REG_SEQUENCE [[COPY2]], %subreg.sub0, [[V_ACCVGPR_WRITE_B32_e64_]], %subreg.sub1, [[V_ACCVGPR_WRITE_B32_e64_1]], %subreg.sub2, [[V_ACCVGPR_WRITE_B32_e64_2]], %subreg.sub3
  ; CHECK-NEXT:   [[V_MFMA_F32_16X16X16F16_e64_:%[0-9]+]]:areg_128_align2 = V_MFMA_F32_16X16X16F16_e64 [[COPY4]], [[COPY4]], killed [[REG_SEQUENCE2]], 0, 0, 0, implicit $mode, implicit $exec
  ; CHECK-NEXT:   [[S_MOV_B64_1:%[0-9]+]]:sreg_64 = S_MOV_B64 0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3:
  ; CHECK-NEXT:   successors: %bb.4(0x40000000), %bb.1(0x40000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[PHI2:%[0-9]+]]:sreg_32 = PHI [[DEF]], %bb.1, [[S_AND_B32_]], %bb.2
  ; CHECK-NEXT:   [[PHI3:%[0-9]+]]:agpr_32 = PHI [[COPY3]], %bb.1, [[V_MFMA_F32_16X16X16F16_e64_]].sub0, %bb.2
  ; CHECK-NEXT:   [[PHI4:%[0-9]+]]:sreg_64_xexec = PHI [[S_MOV_B64_]], %bb.1, [[S_MOV_B64_1]], %bb.2
  ; CHECK-NEXT:   [[V_CNDMASK_B32_e64_1:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, [[PHI4]], implicit $exec
  ; CHECK-NEXT:   [[V_CMP_NE_U32_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_NE_U32_e64 [[V_CNDMASK_B32_e64_1]], 1, implicit $exec
  ; CHECK-NEXT:   $vcc = S_AND_B64 $exec, [[V_CMP_NE_U32_e64_1]], implicit-def $scc
  ; CHECK-NEXT:   S_CBRANCH_VCCNZ %bb.1, implicit $vcc
  ; CHECK-NEXT:   S_BRANCH %bb.4
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.4:
  ; CHECK-NEXT:   successors: %bb.5(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.5:
  ; CHECK-NEXT:   S_ENDPGM 0
  ;
  ; COALESCE-LABEL: name: test
  ; COALESCE: bb.0:
  ; COALESCE-NEXT:   successors: %bb.1(0x80000000)
  ; COALESCE-NEXT:   liveins: $sgpr4_sgpr5
  ; COALESCE-NEXT: {{  $}}
  ; COALESCE-NEXT:   [[COPY:%[0-9]+]]:sgpr_64(p4) = COPY $sgpr4_sgpr5
  ; COALESCE-NEXT:   [[S_LOAD_DWORD_IMM:%[0-9]+]]:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM [[COPY]](p4), 0, 0 :: (dereferenceable invariant load (s32), align 16, addrspace 4)
  ; COALESCE-NEXT:   S_BITCMP1_B32 [[S_LOAD_DWORD_IMM]], 0, implicit-def $scc
  ; COALESCE-NEXT:   undef [[S_MOV_B32_:%[0-9]+]].sub0:sgpr_64 = S_MOV_B32 0
  ; COALESCE-NEXT:   [[S_CSELECT_B64_:%[0-9]+]]:sreg_64_xexec = S_CSELECT_B64 -1, 0, implicit killed $scc
  ; COALESCE-NEXT:   undef [[AV_MOV_:%[0-9]+]].sub0:areg_128_align2 = AV_MOV_B32_IMM_PSEUDO 0, implicit $exec
  ; COALESCE-NEXT:   [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, [[S_CSELECT_B64_]], implicit $exec
  ; COALESCE-NEXT:   [[V_CMP_NE_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_NE_U32_e64 1, [[V_CNDMASK_B32_e64_]], implicit $exec
  ; COALESCE-NEXT:   undef [[AV_MOV_1:%[0-9]+]].sub1:areg_128_align2 = AV_MOV_B32_IMM_PSEUDO 0, implicit $exec
  ; COALESCE-NEXT:   [[S_MOV_B32_1:%[0-9]+]]:sreg_32 = S_MOV_B32 0
  ; COALESCE-NEXT: {{  $}}
  ; COALESCE-NEXT: bb.1:
  ; COALESCE-NEXT:   successors: %bb.2(0x40000000), %bb.3(0x40000000)
  ; COALESCE-NEXT: {{  $}}
  ; COALESCE-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY [[AV_MOV_]].sub0
  ; COALESCE-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 -1
  ; COALESCE-NEXT:   $vcc = S_AND_B64 $exec, [[V_CMP_NE_U32_e64_]], implicit-def dead $scc
  ; COALESCE-NEXT:   S_CBRANCH_VCCNZ %bb.3, implicit killed $vcc
  ; COALESCE-NEXT:   S_BRANCH %bb.2
  ; COALESCE-NEXT: {{  $}}
  ; COALESCE-NEXT: bb.2:
  ; COALESCE-NEXT:   successors: %bb.3(0x80000000)
  ; COALESCE-NEXT: {{  $}}
  ; COALESCE-NEXT:   [[S_OR_B32_:%[0-9]+]]:sreg_32 = S_OR_B32 [[S_MOV_B32_1]], 1, implicit-def dead $scc
  ; COALESCE-NEXT:   [[S_ASHR_I32_:%[0-9]+]]:sreg_32 = S_ASHR_I32 [[S_MOV_B32_1]], 31, implicit-def dead $scc
  ; COALESCE-NEXT:   [[S_MOV_B32_1:%[0-9]+]]:sreg_32 = S_AND_B32 [[S_ASHR_I32_]], [[S_OR_B32_]], implicit-def dead $scc
  ; COALESCE-NEXT:   [[S_MOV_B32_:%[0-9]+]].sub1:sgpr_64 = COPY [[S_MOV_B32_]].sub0
  ; COALESCE-NEXT:   [[COPY2:%[0-9]+]]:vreg_64_align2 = COPY [[S_MOV_B32_]]
  ; COALESCE-NEXT:   [[AV_MOV_1:%[0-9]+]].sub0:areg_128_align2 = COPY [[COPY1]]
  ; COALESCE-NEXT:   [[AV_MOV_1:%[0-9]+]].sub2:areg_128_align2 = COPY [[AV_MOV_1]].sub1
  ; COALESCE-NEXT:   [[AV_MOV_1:%[0-9]+]].sub3:areg_128_align2 = COPY [[AV_MOV_1]].sub1
  ; COALESCE-NEXT:   [[AV_MOV_:%[0-9]+]]:areg_128_align2 = V_MFMA_F32_16X16X16F16_e64 [[COPY2]], [[COPY2]], [[AV_MOV_1]], 0, 0, 0, implicit $mode, implicit $exec
  ; COALESCE-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 0
  ; COALESCE-NEXT: {{  $}}
  ; COALESCE-NEXT: bb.3:
  ; COALESCE-NEXT:   successors: %bb.4(0x40000000), %bb.1(0x40000000)
  ; COALESCE-NEXT: {{  $}}
  ; COALESCE-NEXT:   [[V_CNDMASK_B32_e64_1:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, [[S_MOV_B64_]], implicit $exec
  ; COALESCE-NEXT:   [[V_CMP_NE_U32_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_NE_U32_e64 1, [[V_CNDMASK_B32_e64_1]], implicit $exec
  ; COALESCE-NEXT:   $vcc = S_AND_B64 $exec, [[V_CMP_NE_U32_e64_1]], implicit-def dead $scc
  ; COALESCE-NEXT:   S_CBRANCH_VCCNZ %bb.1, implicit killed $vcc
  ; COALESCE-NEXT:   S_BRANCH %bb.4
  ; COALESCE-NEXT: {{  $}}
  ; COALESCE-NEXT: bb.4:
  ; COALESCE-NEXT:   successors: %bb.5(0x80000000)
  ; COALESCE-NEXT: {{  $}}
  ; COALESCE-NEXT: bb.5:
  ; COALESCE-NEXT:   S_ENDPGM 0
  ;
  ; GFX908-COALESCE-LABEL: name: test
  ; GFX908-COALESCE: bb.0:
  ; GFX908-COALESCE-NEXT:   successors: %bb.1(0x80000000)
  ; GFX908-COALESCE-NEXT:   liveins: $sgpr4_sgpr5
  ; GFX908-COALESCE-NEXT: {{  $}}
  ; GFX908-COALESCE-NEXT:   [[COPY:%[0-9]+]]:sgpr_64(p4) = COPY $sgpr4_sgpr5
  ; GFX908-COALESCE-NEXT:   [[S_LOAD_DWORD_IMM:%[0-9]+]]:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM [[COPY]](p4), 0, 0 :: (dereferenceable invariant load (s32), align 16, addrspace 4)
  ; GFX908-COALESCE-NEXT:   S_BITCMP1_B32 [[S_LOAD_DWORD_IMM]], 0, implicit-def $scc
  ; GFX908-COALESCE-NEXT:   undef [[S_MOV_B32_:%[0-9]+]].sub0:sgpr_64 = S_MOV_B32 0
  ; GFX908-COALESCE-NEXT:   [[S_CSELECT_B64_:%[0-9]+]]:sreg_64_xexec = S_CSELECT_B64 -1, 0, implicit killed $scc
  ; GFX908-COALESCE-NEXT:   undef [[AV_MOV_:%[0-9]+]].sub0:areg_128_align2 = AV_MOV_B32_IMM_PSEUDO 0, implicit $exec
  ; GFX908-COALESCE-NEXT:   [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, [[S_CSELECT_B64_]], implicit $exec
  ; GFX908-COALESCE-NEXT:   [[V_CMP_NE_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_NE_U32_e64 1, [[V_CNDMASK_B32_e64_]], implicit $exec
  ; GFX908-COALESCE-NEXT:   undef [[AV_MOV_1:%[0-9]+]].sub1:areg_128_align2 = AV_MOV_B32_IMM_PSEUDO 0, implicit $exec
  ; GFX908-COALESCE-NEXT:   [[S_MOV_B32_1:%[0-9]+]]:sreg_32 = S_MOV_B32 0
  ; GFX908-COALESCE-NEXT: {{  $}}
  ; GFX908-COALESCE-NEXT: bb.1:
  ; GFX908-COALESCE-NEXT:   successors: %bb.2(0x40000000), %bb.3(0x40000000)
  ; GFX908-COALESCE-NEXT: {{  $}}
  ; GFX908-COALESCE-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY [[AV_MOV_]].sub0
  ; GFX908-COALESCE-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 -1
  ; GFX908-COALESCE-NEXT:   $vcc = S_AND_B64 $exec, [[V_CMP_NE_U32_e64_]], implicit-def dead $scc
  ; GFX908-COALESCE-NEXT:   S_CBRANCH_VCCNZ %bb.3, implicit killed $vcc
  ; GFX908-COALESCE-NEXT:   S_BRANCH %bb.2
  ; GFX908-COALESCE-NEXT: {{  $}}
  ; GFX908-COALESCE-NEXT: bb.2:
  ; GFX908-COALESCE-NEXT:   successors: %bb.3(0x80000000)
  ; GFX908-COALESCE-NEXT: {{  $}}
  ; GFX908-COALESCE-NEXT:   [[S_OR_B32_:%[0-9]+]]:sreg_32 = S_OR_B32 [[S_MOV_B32_1]], 1, implicit-def dead $scc
  ; GFX908-COALESCE-NEXT:   [[S_ASHR_I32_:%[0-9]+]]:sreg_32 = S_ASHR_I32 [[S_MOV_B32_1]], 31, implicit-def dead $scc
  ; GFX908-COALESCE-NEXT:   [[S_MOV_B32_1:%[0-9]+]]:sreg_32 = S_AND_B32 [[S_ASHR_I32_]], [[S_OR_B32_]], implicit-def dead $scc
  ; GFX908-COALESCE-NEXT:   [[S_MOV_B32_:%[0-9]+]].sub1:sgpr_64 = COPY [[S_MOV_B32_]].sub0
  ; GFX908-COALESCE-NEXT:   [[COPY2:%[0-9]+]]:vreg_64_align2 = COPY [[S_MOV_B32_]]
  ; GFX908-COALESCE-NEXT:   [[AV_MOV_1:%[0-9]+]].sub0:areg_128_align2 = COPY [[COPY1]]
  ; GFX908-COALESCE-NEXT:   [[AV_MOV_1:%[0-9]+]].sub2:areg_128_align2 = COPY [[AV_MOV_1]].sub1
  ; GFX908-COALESCE-NEXT:   [[AV_MOV_1:%[0-9]+]].sub3:areg_128_align2 = COPY [[AV_MOV_1]].sub1
  ; GFX908-COALESCE-NEXT:   [[AV_MOV_:%[0-9]+]]:areg_128_align2 = V_MFMA_F32_16X16X16F16_e64 [[COPY2]], [[COPY2]], [[AV_MOV_1]], 0, 0, 0, implicit $mode, implicit $exec
  ; GFX908-COALESCE-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 0
  ; GFX908-COALESCE-NEXT: {{  $}}
  ; GFX908-COALESCE-NEXT: bb.3:
  ; GFX908-COALESCE-NEXT:   successors: %bb.4(0x40000000), %bb.1(0x40000000)
  ; GFX908-COALESCE-NEXT: {{  $}}
  ; GFX908-COALESCE-NEXT:   [[V_CNDMASK_B32_e64_1:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, [[S_MOV_B64_]], implicit $exec
  ; GFX908-COALESCE-NEXT:   [[V_CMP_NE_U32_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_NE_U32_e64 1, [[V_CNDMASK_B32_e64_1]], implicit $exec
  ; GFX908-COALESCE-NEXT:   $vcc = S_AND_B64 $exec, [[V_CMP_NE_U32_e64_1]], implicit-def dead $scc
  ; GFX908-COALESCE-NEXT:   S_CBRANCH_VCCNZ %bb.1, implicit killed $vcc
  ; GFX908-COALESCE-NEXT:   S_BRANCH %bb.4
  ; GFX908-COALESCE-NEXT: {{  $}}
  ; GFX908-COALESCE-NEXT: bb.4:
  ; GFX908-COALESCE-NEXT:   successors: %bb.5(0x80000000)
  ; GFX908-COALESCE-NEXT: {{  $}}
  ; GFX908-COALESCE-NEXT: bb.5:
  ; GFX908-COALESCE-NEXT:   S_ENDPGM 0
  bb.0:
    successors: %bb.1
    liveins: $sgpr4_sgpr5

    %0:sgpr_64(p4) = COPY $sgpr4_sgpr5
    %1:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %0(p4), 0, 0 :: (dereferenceable invariant load (s32), align 16, addrspace 4)
    S_BITCMP1_B32 killed %1, 0, implicit-def $scc
    %2:sgpr_32 = S_MOV_B32 0
    %3:sreg_64_xexec = S_CSELECT_B64 -1, 0, implicit $scc
    %4:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
    %5:sreg_32 = IMPLICIT_DEF
    %6:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %3, implicit $exec
    %7:sreg_64_xexec = V_CMP_NE_U32_e64 %6, 1, implicit $exec

  bb.1:
    successors: %bb.2, %bb.3

    %8:vgpr_32 = PHI %4, %bb.0, %9, %bb.3
    %10:sreg_32 = PHI %2, %bb.0, %11, %bb.3
    %12:agpr_32 = COPY %8
    %13:sreg_64 = S_MOV_B64 -1
    $vcc = S_AND_B64 $exec, %7, implicit-def $scc
    S_CBRANCH_VCCNZ %bb.3, implicit $vcc
    S_BRANCH %bb.2

  bb.2:
    successors: %bb.3

    %14:sreg_32 = S_OR_B32 %10, 1, implicit-def dead $scc
    %15:sreg_32 = S_ASHR_I32 %10, 31, implicit-def dead $scc
    %16:sreg_32 = S_AND_B32 killed %15, killed %14, implicit-def dead $scc
    %17:vreg_128_align2 = REG_SEQUENCE %8, %subreg.sub0, %4, %subreg.sub1, %4, %subreg.sub2, %4, %subreg.sub3
    %18:sreg_64 = REG_SEQUENCE %2, %subreg.sub0, %2, %subreg.sub1
    %19:vreg_64_align2 = COPY %18
    %20:areg_128_align2 = COPY %17
    %21:areg_128_align2 = V_MFMA_F32_16X16X16F16_e64 %19, %19, killed %20, 0, 0, 0, implicit $mode, implicit $exec
    %22:vgpr_32 = COPY %21.sub0
    %23:sreg_64 = S_MOV_B64 0

  bb.3:
    successors: %bb.4, %bb.1

    %11:sreg_32 = PHI %5, %bb.1, %16, %bb.2
    %24:agpr_32 = PHI %12, %bb.1, %21.sub0, %bb.2
    %25:sreg_64_xexec = PHI %13, %bb.1, %23, %bb.2
    %9:vgpr_32 = COPY %24
    %26:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %25, implicit $exec
    %27:sreg_64_xexec = V_CMP_NE_U32_e64 %26, 1, implicit $exec
    $vcc = S_AND_B64 $exec, %27, implicit-def $scc
    S_CBRANCH_VCCNZ %bb.1, implicit $vcc
    S_BRANCH %bb.4

  bb.4:
    successors: %bb.5

  bb.5:
    S_ENDPGM 0

...