# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn -mcpu=gfx908 -verify-machineinstrs -run-pass=machine-sink -o - %s | FileCheck -check-prefixes=GFX9 %s
# RUN: llc -mtriple=amdgcn -mcpu=gfx908 -verify-machineinstrs -run-pass=machine-sink --sink-insts-to-avoid-spills=1 -o - %s | FileCheck -check-prefixes=GFX9 %s


---
name:            test_sink_fmac_to_only_use
alignment:       1
tracksRegLiveness: true
machineFunctionInfo:
  isEntryFunction: true
body:             |
  ; GFX9-LABEL: name: test_sink_fmac_to_only_use
  ; GFX9: bb.0:
  ; GFX9-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
  ; GFX9-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
  ; GFX9-NEXT:   [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
  ; GFX9-NEXT:   [[V_MOV_B32_e32_1:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
  ; GFX9-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 0
  ; GFX9-NEXT:   [[S_MOV_B64_1:%[0-9]+]]:sreg_64 = S_MOV_B64 0
  ; GFX9-NEXT:   [[COPY2:%[0-9]+]]:vreg_64 = COPY [[S_MOV_B64_]]
  ; GFX9-NEXT:   [[COPY3:%[0-9]+]]:vreg_64 = COPY [[S_MOV_B64_1]]
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD killed [[COPY2]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD1:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD killed [[COPY3]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[COPY4:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr0
  ; GFX9-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 1
  ; GFX9-NEXT:   [[V_CMP_LT_I32_e64_:%[0-9]+]]:sreg_64 = V_CMP_LT_I32_e64 [[COPY4]](s32), [[S_MOV_B32_]], implicit $exec
  ; GFX9-NEXT:   [[SI_IF:%[0-9]+]]:sreg_64 = SI_IF [[V_CMP_LT_I32_e64_]], %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT:   S_BRANCH %bb.1
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.1:
  ; GFX9-NEXT:   successors: %bb.2(0x80000000)
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[GLOBAL_LOAD_DWORD]], 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_1:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[V_FMAC_F32_e64_]], 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_2:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[GLOBAL_LOAD_DWORD1]], 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_3:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[V_FMAC_F32_e64_2]], 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[V_ADD_F32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_F32_e32 [[V_FMAC_F32_e64_]], [[V_FMAC_F32_e64_1]], implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[V_ADD_F32_e32_1:%[0-9]+]]:vgpr_32 = V_ADD_F32_e32 [[V_FMAC_F32_e64_2]], [[V_FMAC_F32_e64_3]], implicit $mode, implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.2:
  ; GFX9-NEXT:   successors: %bb.3(0x80000000)
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[PHI:%[0-9]+]]:vgpr_32 = PHI [[V_MOV_B32_e32_]], %bb.0, [[V_ADD_F32_e32_]], %bb.1
  ; GFX9-NEXT:   [[PHI1:%[0-9]+]]:vgpr_32 = PHI [[V_MOV_B32_e32_1]], %bb.0, [[V_ADD_F32_e32_1]], %bb.1
  ; GFX9-NEXT:   SI_END_CF [[SI_IF]], implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.3:
  ; GFX9-NEXT:   S_ENDPGM 0, implicit [[PHI]], implicit [[PHI1]]
  bb.0:
    liveins: $vgpr0, $vgpr1, $vgpr2
    %1:vgpr_32 = COPY $vgpr0
    %2:vgpr_32 = COPY $vgpr1
    %3:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
    %4:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
    %5:sreg_64 = S_MOV_B64 0
    %6:sreg_64 = S_MOV_B64 0
    %7:vreg_64 = COPY %5
    %8:vreg_64 = COPY %6
    %9:vgpr_32 = GLOBAL_LOAD_DWORD killed %7, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %10:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %9, 0, %1, 0, %2, 0, 0, implicit $mode, implicit $exec
    %11:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %10, 0, %1, 0, %2, 0, 0, implicit $mode, implicit $exec
    %12:vgpr_32 = GLOBAL_LOAD_DWORD killed %8, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %13:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %12, 0, %2, 0, %1, 0, 0, implicit $mode, implicit $exec
    %14:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %13, 0, %2, 0, %1, 0, 0, implicit $mode, implicit $exec
    %15:vgpr_32(s32) = COPY $vgpr0
    %16:sreg_32 = S_MOV_B32 1
    %17:sreg_64 = V_CMP_LT_I32_e64 %15(s32), %16, implicit $exec
    %18:sreg_64 = COPY %17
    %19:sreg_64 = SI_IF %18, %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    %20:vgpr_32 = V_ADD_F32_e32 %10, %11, implicit $mode, implicit $exec
    %21:vgpr_32 = V_ADD_F32_e32 %13, %14, implicit $mode, implicit $exec

  bb.2:
    %22:vgpr_32 = PHI %3, %bb.0, %20, %bb.1
    %23:vgpr_32 = PHI %4, %bb.0, %21, %bb.1
    SI_END_CF %19, implicit-def dead $exec, implicit-def dead $scc, implicit $exec

  bb.3:
    S_ENDPGM 0, implicit %22, implicit %23
...
---
name:            test_no_sink_into_if_cond_multiple_uses
alignment:       1
tracksRegLiveness: true
machineFunctionInfo:
  isEntryFunction: true
body:             |
  ; GFX9-LABEL: name: test_no_sink_into_if_cond_multiple_uses
  ; GFX9: bb.0:
  ; GFX9-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
  ; GFX9-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
  ; GFX9-NEXT:   [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
  ; GFX9-NEXT:   [[V_MOV_B32_e32_1:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
  ; GFX9-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 0
  ; GFX9-NEXT:   [[S_MOV_B64_1:%[0-9]+]]:sreg_64 = S_MOV_B64 0
  ; GFX9-NEXT:   [[COPY2:%[0-9]+]]:vreg_64 = COPY [[S_MOV_B64_]]
  ; GFX9-NEXT:   [[COPY3:%[0-9]+]]:vreg_64 = COPY [[S_MOV_B64_1]]
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD killed [[COPY2]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[GLOBAL_LOAD_DWORD]], 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_1:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[V_FMAC_F32_e64_]], 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD1:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD killed [[COPY3]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_2:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[GLOBAL_LOAD_DWORD1]], 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_3:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[V_FMAC_F32_e64_2]], 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[COPY4:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr0
  ; GFX9-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 1
  ; GFX9-NEXT:   [[V_CMP_LT_I32_e64_:%[0-9]+]]:sreg_64 = V_CMP_LT_I32_e64 [[COPY4]](s32), [[S_MOV_B32_]], implicit $exec
  ; GFX9-NEXT:   [[SI_IF:%[0-9]+]]:sreg_64 = SI_IF [[V_CMP_LT_I32_e64_]], %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT:   S_BRANCH %bb.1
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.1:
  ; GFX9-NEXT:   successors: %bb.2(0x80000000)
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[V_ADD_F32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_F32_e32 [[V_FMAC_F32_e64_]], [[V_FMAC_F32_e64_1]], implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[V_ADD_F32_e32_1:%[0-9]+]]:vgpr_32 = V_ADD_F32_e32 [[V_FMAC_F32_e64_2]], [[V_FMAC_F32_e64_3]], implicit $mode, implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.2:
  ; GFX9-NEXT:   successors: %bb.3(0x80000000)
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[PHI:%[0-9]+]]:vgpr_32 = PHI [[V_MOV_B32_e32_]], %bb.0, [[V_ADD_F32_e32_]], %bb.1
  ; GFX9-NEXT:   [[PHI1:%[0-9]+]]:vgpr_32 = PHI [[V_MOV_B32_e32_1]], %bb.0, [[V_ADD_F32_e32_1]], %bb.1
  ; GFX9-NEXT:   SI_END_CF [[SI_IF]], implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.3:
  ; GFX9-NEXT:   [[V_ADD_F32_e32_2:%[0-9]+]]:vgpr_32 = V_ADD_F32_e32 [[V_FMAC_F32_e64_3]], [[V_FMAC_F32_e64_1]], implicit $mode, implicit $exec
  ; GFX9-NEXT:   S_ENDPGM 0, implicit [[PHI]], implicit [[PHI1]]
  bb.0:
    liveins: $vgpr0, $vgpr1, $vgpr2
    %1:vgpr_32 = COPY $vgpr0
    %2:vgpr_32 = COPY $vgpr1
    %3:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
    %4:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
    %5:sreg_64 = S_MOV_B64 0
    %6:sreg_64 = S_MOV_B64 0
    %7:vreg_64 = COPY %5
    %8:vreg_64 = COPY %6
    %9:vgpr_32 = GLOBAL_LOAD_DWORD killed %7, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %10:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %9, 0, %1, 0, %2, 0, 0, implicit $mode, implicit $exec
    %11:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %10, 0, %1, 0, %2, 0, 0, implicit $mode, implicit $exec
    %12:vgpr_32 = GLOBAL_LOAD_DWORD killed %8, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %13:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %12, 0, %2, 0, %1, 0, 0, implicit $mode, implicit $exec
    %14:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %13, 0, %2, 0, %1, 0, 0, implicit $mode, implicit $exec
    %15:vgpr_32(s32) = COPY $vgpr0
    %16:sreg_32 = S_MOV_B32 1
    %17:sreg_64 = V_CMP_LT_I32_e64 %15(s32), %16, implicit $exec
    %18:sreg_64 = COPY %17
    %19:sreg_64 = SI_IF %18, %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    %20:vgpr_32 = V_ADD_F32_e32 %10, %11, implicit $mode, implicit $exec
    %21:vgpr_32 = V_ADD_F32_e32 %13, %14, implicit $mode, implicit $exec

  bb.2:
    %22:vgpr_32 = PHI %3, %bb.0, %20, %bb.1
    %23:vgpr_32 = PHI %4, %bb.0, %21, %bb.1
    SI_END_CF %19, implicit-def dead $exec, implicit-def dead $scc, implicit $exec

  bb.3:
    %24:vgpr_32 = V_ADD_F32_e32 %14, %11, implicit $mode, implicit $exec
    S_ENDPGM 0, implicit %22, implicit %23
...
---
name:            no_sink_fmac_not_constant_mode
alignment:       1
tracksRegLiveness: true
machineFunctionInfo:
  isEntryFunction: true
body:             |
  ; GFX9-LABEL: name: no_sink_fmac_not_constant_mode
  ; GFX9: bb.0:
  ; GFX9-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   $mode = IMPLICIT_DEF
  ; GFX9-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
  ; GFX9-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
  ; GFX9-NEXT:   [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
  ; GFX9-NEXT:   [[V_MOV_B32_e32_1:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
  ; GFX9-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 0
  ; GFX9-NEXT:   [[S_MOV_B64_1:%[0-9]+]]:sreg_64 = S_MOV_B64 0
  ; GFX9-NEXT:   [[COPY2:%[0-9]+]]:vreg_64 = COPY [[S_MOV_B64_]]
  ; GFX9-NEXT:   [[COPY3:%[0-9]+]]:vreg_64 = COPY [[S_MOV_B64_1]]
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD killed [[COPY2]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[GLOBAL_LOAD_DWORD]], 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_1:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[V_FMAC_F32_e64_]], 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD1:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD killed [[COPY3]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_2:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[GLOBAL_LOAD_DWORD1]], 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_3:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[V_FMAC_F32_e64_2]], 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[COPY4:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr0
  ; GFX9-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 1
  ; GFX9-NEXT:   [[V_CMP_LT_I32_e64_:%[0-9]+]]:sreg_64 = V_CMP_LT_I32_e64 [[COPY4]](s32), [[S_MOV_B32_]], implicit $exec
  ; GFX9-NEXT:   [[SI_IF:%[0-9]+]]:sreg_64 = SI_IF [[V_CMP_LT_I32_e64_]], %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT:   S_BRANCH %bb.1
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.1:
  ; GFX9-NEXT:   successors: %bb.2(0x80000000)
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[V_ADD_F32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_F32_e32 [[V_FMAC_F32_e64_]], [[V_FMAC_F32_e64_1]], implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[V_ADD_F32_e32_1:%[0-9]+]]:vgpr_32 = V_ADD_F32_e32 [[V_FMAC_F32_e64_2]], [[V_FMAC_F32_e64_3]], implicit $mode, implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.2:
  ; GFX9-NEXT:   successors: %bb.3(0x80000000)
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[PHI:%[0-9]+]]:vgpr_32 = PHI [[V_MOV_B32_e32_]], %bb.0, [[V_ADD_F32_e32_]], %bb.1
  ; GFX9-NEXT:   [[PHI1:%[0-9]+]]:vgpr_32 = PHI [[V_MOV_B32_e32_1]], %bb.0, [[V_ADD_F32_e32_1]], %bb.1
  ; GFX9-NEXT:   SI_END_CF [[SI_IF]], implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.3:
  ; GFX9-NEXT:   S_ENDPGM 0, implicit [[PHI]], implicit [[PHI1]]
  bb.0:
    liveins: $vgpr0, $vgpr1, $vgpr2
    $mode = IMPLICIT_DEF
    %1:vgpr_32 = COPY $vgpr0
    %2:vgpr_32 = COPY $vgpr1
    %3:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
    %4:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
    %5:sreg_64 = S_MOV_B64 0
    %6:sreg_64 = S_MOV_B64 0
    %7:vreg_64 = COPY %5
    %8:vreg_64 = COPY %6
    %9:vgpr_32 = GLOBAL_LOAD_DWORD killed %7, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %10:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %9, 0, %1, 0, %2, 0, 0, implicit $mode, implicit $exec
    %11:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %10, 0, %1, 0, %2, 0, 0, implicit $mode, implicit $exec
    %12:vgpr_32 = GLOBAL_LOAD_DWORD killed %8, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %13:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %12, 0, %2, 0, %1, 0, 0, implicit $mode, implicit $exec
    %14:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %13, 0, %2, 0, %1, 0, 0, implicit $mode, implicit $exec
    %15:vgpr_32(s32) = COPY $vgpr0
    %16:sreg_32 = S_MOV_B32 1
    %17:sreg_64 = V_CMP_LT_I32_e64 %15(s32), %16, implicit $exec
    %18:sreg_64 = COPY %17
    %19:sreg_64 = SI_IF %18, %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    %20:vgpr_32 = V_ADD_F32_e32 %10, %11, implicit $mode, implicit $exec
    %21:vgpr_32 = V_ADD_F32_e32 %13, %14, implicit $mode, implicit $exec

  bb.2:
    %22:vgpr_32 = PHI %3, %bb.0, %20, %bb.1
    %23:vgpr_32 = PHI %4, %bb.0, %21, %bb.1
    SI_END_CF %19, implicit-def dead $exec, implicit-def dead $scc, implicit $exec

  bb.3:
    S_ENDPGM 0, implicit %22, implicit %23
...
---
name:            test_no_sink_fmac_wwm
alignment:       1
tracksRegLiveness: true
machineFunctionInfo:
  isEntryFunction: true
body:             |
  ; GFX9-LABEL: name: test_no_sink_fmac_wwm
  ; GFX9: bb.0:
  ; GFX9-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
  ; GFX9-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
  ; GFX9-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 0
  ; GFX9-NEXT:   [[COPY2:%[0-9]+]]:vreg_64 = COPY [[S_MOV_B64_]]
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD killed [[COPY2]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[GLOBAL_LOAD_DWORD]], 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   early-clobber %6:vgpr_32 = STRICT_WWM [[V_FMAC_F32_e64_]], implicit $exec
  ; GFX9-NEXT:   [[COPY3:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr0
  ; GFX9-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 1
  ; GFX9-NEXT:   [[V_CMP_LT_I32_e64_:%[0-9]+]]:sreg_64 = V_CMP_LT_I32_e64 [[COPY3]](s32), [[S_MOV_B32_]], implicit $exec
  ; GFX9-NEXT:   [[SI_IF:%[0-9]+]]:sreg_64 = SI_IF [[V_CMP_LT_I32_e64_]], %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT:   S_BRANCH %bb.1
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.1:
  ; GFX9-NEXT:   successors: %bb.2(0x80000000)
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.2:
  ; GFX9-NEXT:   successors: %bb.3(0x80000000)
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_NOP 0, implicit [[V_FMAC_F32_e64_]]
  ; GFX9-NEXT:   SI_END_CF [[SI_IF]], implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.3:
  ; GFX9-NEXT:   S_ENDPGM 0, implicit %6
  bb.0:
    liveins: $vgpr0, $vgpr1, $vgpr2
    %1:vgpr_32 = COPY $vgpr0
    %2:vgpr_32 = COPY $vgpr1

    %20:sreg_64 = S_MOV_B64 0
    %30:vreg_64 = COPY %20
    %29:vgpr_32 = GLOBAL_LOAD_DWORD killed %30, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %6:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %29, 0, %1, 0, %2, 0, 0, implicit $mode, implicit $exec
    %9:vgpr_32 = STRICT_WWM %6, implicit $exec

    %16:vgpr_32(s32) = COPY $vgpr0
    %23:sreg_32 = S_MOV_B32 1
    %24:sreg_64 = V_CMP_LT_I32_e64 %16(s32), %23, implicit $exec
    %0:sreg_64 = COPY %24
    %5:sreg_64 = SI_IF %0, %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.1

  bb.1:

  bb.2:
    S_NOP 0, implicit %6
    SI_END_CF %5, implicit-def dead $exec, implicit-def dead $scc, implicit $exec

  bb.3:
    S_ENDPGM 0, implicit %9
...
---
name:            test_def_and_use_in_loop_sink_fmac
tracksRegLiveness: true
machineFunctionInfo:
  isEntryFunction: true
body:             |
  ; GFX9-LABEL: name: test_def_and_use_in_loop_sink_fmac
  ; GFX9: bb.0.entry:
  ; GFX9-NEXT:   successors: %bb.1(0x80000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
  ; GFX9-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
  ; GFX9-NEXT:   [[COPY2:%[0-9]+]]:vreg_64 = COPY $vgpr2_vgpr3
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.1:
  ; GFX9-NEXT:   successors: %bb.2(0x40000000), %bb.3(0x40000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 0
  ; GFX9-NEXT:   [[COPY3:%[0-9]+]]:vreg_64 = COPY [[S_MOV_B64_]]
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD [[COPY3]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD1:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD [[COPY2]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[COPY4:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr0
  ; GFX9-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 1
  ; GFX9-NEXT:   [[V_CMP_LT_I32_e64_:%[0-9]+]]:sreg_64 = V_CMP_LT_I32_e64 [[COPY4]](s32), [[S_MOV_B32_]], implicit $exec
  ; GFX9-NEXT:   [[SI_IF:%[0-9]+]]:sreg_64 = SI_IF [[V_CMP_LT_I32_e64_]], %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT:   S_BRANCH %bb.2
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.2:
  ; GFX9-NEXT:   successors: %bb.3(0x80000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_NOP 0
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.3:
  ; GFX9-NEXT:   successors: %bb.4(0x40000000), %bb.6(0x40000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[GLOBAL_LOAD_DWORD]], 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_1:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[GLOBAL_LOAD_DWORD1]], 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   S_NOP 0, implicit [[V_FMAC_F32_e64_]], implicit [[V_FMAC_F32_e64_1]]
  ; GFX9-NEXT:   SI_END_CF [[SI_IF]], implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT:   S_CBRANCH_EXECZ %bb.6, implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.4:
  ; GFX9-NEXT:   successors: %bb.5(0x04000000), %bb.4(0x7c000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_NOP 0
  ; GFX9-NEXT:   S_CBRANCH_EXECZ %bb.4, implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.5:
  ; GFX9-NEXT:   successors: %bb.6(0x80000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_NOP 0
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.6:
  ; GFX9-NEXT:   successors: %bb.7(0x04000000), %bb.1(0x7c000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_CBRANCH_VCCZ %bb.1, implicit $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.7:
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_ENDPGM 0
  bb.0.entry:
    successors: %bb.1(0x80000000)

    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
    %101:vgpr_32 = COPY $vgpr0
    %102:vgpr_32 = COPY $vgpr1
    %15:vreg_64 = COPY $vgpr2_vgpr3

  bb.1:
    successors: %bb.2(0x40000000), %bb.3(0x40000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    %20:sreg_64 = S_MOV_B64 0
    %30:vreg_64 = COPY %20
    %29:vgpr_32 = GLOBAL_LOAD_DWORD %30, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %6:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %29, 0, %101, 0, %102, 0, 0, implicit $mode, implicit $exec
    %31:vgpr_32 = GLOBAL_LOAD_DWORD  %15, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %7:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %31, 0, %101, 0, %102, 0, 0, implicit $mode, implicit $exec
    %16:vgpr_32(s32) = COPY $vgpr0
    %23:sreg_32 = S_MOV_B32 1
    %24:sreg_64 = V_CMP_LT_I32_e64 %16(s32), %23, implicit $exec
    %0:sreg_64 = COPY %24
    %5:sreg_64 = SI_IF %0, %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.2

  bb.2:
    successors: %bb.3(0x80000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_NOP 0

  bb.3:
    successors: %bb.4(0x40000000), %bb.6(0x40000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_NOP 0, implicit %6, implicit %7
    SI_END_CF %5, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_CBRANCH_EXECZ %bb.6, implicit $exec

  bb.4:
    successors: %bb.5(0x04000000), %bb.4(0x7c000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_NOP 0
    S_CBRANCH_EXECZ %bb.4, implicit $exec

  bb.5:
    successors: %bb.6(0x80000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_NOP 0

  bb.6:
    successors: %bb.7(0x04000000), %bb.1(0x7c000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_CBRANCH_VCCZ %bb.1, implicit $vcc

  bb.7:
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
    S_ENDPGM 0
...
---
name:            test_no_sink_def_into_loop
tracksRegLiveness: true
machineFunctionInfo:
  isEntryFunction: true
body:             |
  ; GFX9-LABEL: name: test_no_sink_def_into_loop
  ; GFX9: bb.0.entry:
  ; GFX9-NEXT:   successors: %bb.1(0x80000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
  ; GFX9-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
  ; GFX9-NEXT:   [[COPY2:%[0-9]+]]:vreg_64 = COPY $vgpr2_vgpr3
  ; GFX9-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 0
  ; GFX9-NEXT:   [[COPY3:%[0-9]+]]:vreg_64 = COPY [[S_MOV_B64_]]
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD killed [[COPY3]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[GLOBAL_LOAD_DWORD]], 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD1:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD killed [[COPY2]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_1:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[GLOBAL_LOAD_DWORD1]], 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.1:
  ; GFX9-NEXT:   successors: %bb.2(0x40000000), %bb.3(0x40000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_NOP 0, implicit [[V_FMAC_F32_e64_]], implicit [[V_FMAC_F32_e64_1]]
  ; GFX9-NEXT:   [[COPY4:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr0
  ; GFX9-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 1
  ; GFX9-NEXT:   [[V_CMP_LT_I32_e64_:%[0-9]+]]:sreg_64 = V_CMP_LT_I32_e64 [[COPY4]](s32), [[S_MOV_B32_]], implicit $exec
  ; GFX9-NEXT:   [[SI_IF:%[0-9]+]]:sreg_64 = SI_IF [[V_CMP_LT_I32_e64_]], %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT:   S_BRANCH %bb.2
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.2:
  ; GFX9-NEXT:   successors: %bb.3(0x80000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_NOP 0
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.3:
  ; GFX9-NEXT:   successors: %bb.4(0x40000000), %bb.6(0x40000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   SI_END_CF [[SI_IF]], implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT:   S_CBRANCH_EXECZ %bb.6, implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.4:
  ; GFX9-NEXT:   successors: %bb.5(0x04000000), %bb.4(0x7c000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_NOP 0
  ; GFX9-NEXT:   S_CBRANCH_EXECZ %bb.4, implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.5:
  ; GFX9-NEXT:   successors: %bb.6(0x80000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_NOP 0
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.6:
  ; GFX9-NEXT:   successors: %bb.7(0x04000000), %bb.1(0x7c000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_CBRANCH_VCCZ %bb.1, implicit $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.7:
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_ENDPGM 0
  bb.0.entry:
    successors: %bb.1(0x80000000)

    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
    %101:vgpr_32 = COPY $vgpr0
    %102:vgpr_32 = COPY $vgpr1
    %15:vreg_64 = COPY $vgpr2_vgpr3
    %20:sreg_64 = S_MOV_B64 0
    %30:vreg_64 = COPY %20
    %29:vgpr_32 = GLOBAL_LOAD_DWORD killed %30, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %6:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %29, 0, %101, 0, %102, 0, 0, implicit $mode, implicit $exec
    %31:vgpr_32 = GLOBAL_LOAD_DWORD killed %15, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %7:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %31, 0, %101, 0, %102, 0, 0, implicit $mode, implicit $exec

  bb.1:
    successors: %bb.2(0x40000000), %bb.3(0x40000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_NOP 0, implicit %6, implicit %7
    %16:vgpr_32(s32) = COPY $vgpr0
    %23:sreg_32 = S_MOV_B32 1
    %24:sreg_64 = V_CMP_LT_I32_e64 %16(s32), %23, implicit $exec
    %0:sreg_64 = COPY %24
    %5:sreg_64 = SI_IF %0, %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.2

  bb.2:
    successors: %bb.3(0x80000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_NOP 0

  bb.3:
    successors: %bb.4(0x40000000), %bb.6(0x40000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    SI_END_CF %5, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_CBRANCH_EXECZ %bb.6, implicit $exec

  bb.4:
    successors: %bb.5(0x04000000), %bb.4(0x7c000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_NOP 0
    S_CBRANCH_EXECZ %bb.4, implicit $exec

  bb.5:
    successors: %bb.6(0x80000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_NOP 0

  bb.6:
    successors: %bb.7(0x04000000), %bb.1(0x7c000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_CBRANCH_VCCZ %bb.1, implicit $vcc

  bb.7:
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
    S_ENDPGM 0
...
---
name:            test_no_sink_def_into_loop2
tracksRegLiveness: true
machineFunctionInfo:
  isEntryFunction: true
body:             |
  ; GFX9-LABEL: name: test_no_sink_def_into_loop2
  ; GFX9: bb.0.entry:
  ; GFX9-NEXT:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
  ; GFX9-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
  ; GFX9-NEXT:   [[COPY2:%[0-9]+]]:vreg_64 = COPY $vgpr2_vgpr3
  ; GFX9-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 0
  ; GFX9-NEXT:   [[COPY3:%[0-9]+]]:vreg_64 = COPY [[S_MOV_B64_]]
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD killed [[COPY3]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[GLOBAL_LOAD_DWORD]], 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD1:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD killed [[COPY2]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[V_FMAC_F32_e64_1:%[0-9]+]]:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, [[GLOBAL_LOAD_DWORD1]], 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
  ; GFX9-NEXT:   S_CBRANCH_EXECZ %bb.2, implicit $exec
  ; GFX9-NEXT:   S_BRANCH %bb.1
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.1:
  ; GFX9-NEXT:   successors: %bb.2(0x80000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_NOP 0
  ; GFX9-NEXT:   S_BRANCH %bb.2
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.2:
  ; GFX9-NEXT:   successors: %bb.3(0x40000000), %bb.4(0x40000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_NOP 0, implicit [[V_FMAC_F32_e64_]], implicit [[V_FMAC_F32_e64_1]]
  ; GFX9-NEXT:   [[COPY4:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr0
  ; GFX9-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 1
  ; GFX9-NEXT:   [[V_CMP_LT_I32_e64_:%[0-9]+]]:sreg_64 = V_CMP_LT_I32_e64 [[COPY4]](s32), [[S_MOV_B32_]], implicit $exec
  ; GFX9-NEXT:   [[SI_IF:%[0-9]+]]:sreg_64 = SI_IF [[V_CMP_LT_I32_e64_]], %bb.4, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT:   S_BRANCH %bb.3
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.3:
  ; GFX9-NEXT:   successors: %bb.4(0x80000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_NOP 0
  ; GFX9-NEXT:   S_BRANCH %bb.4
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.4:
  ; GFX9-NEXT:   successors: %bb.5(0x40000000), %bb.7(0x40000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   SI_END_CF [[SI_IF]], implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT:   S_CBRANCH_EXECZ %bb.7, implicit $exec
  ; GFX9-NEXT:   S_BRANCH %bb.5
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.5:
  ; GFX9-NEXT:   successors: %bb.6(0x04000000), %bb.5(0x7c000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_NOP 0
  ; GFX9-NEXT:   S_CBRANCH_EXECZ %bb.5, implicit $exec
  ; GFX9-NEXT:   S_BRANCH %bb.6
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.6:
  ; GFX9-NEXT:   successors: %bb.7(0x80000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_NOP 0
  ; GFX9-NEXT:   S_BRANCH %bb.7
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.7:
  ; GFX9-NEXT:   successors: %bb.8(0x04000000), %bb.2(0x7c000000)
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_CBRANCH_VCCZ %bb.2, implicit $vcc
  ; GFX9-NEXT:   S_BRANCH %bb.8
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.8:
  ; GFX9-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   S_ENDPGM 0
  bb.0.entry:
    successors: %bb.1(0x40000000), %bb.2 (0x40000000)

    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
    %101:vgpr_32 = COPY $vgpr0
    %102:vgpr_32 = COPY $vgpr1
    %15:vreg_64 = COPY $vgpr2_vgpr3
    %20:sreg_64 = S_MOV_B64 0
    %30:vreg_64 = COPY %20
    %29:vgpr_32 = GLOBAL_LOAD_DWORD killed %30, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %6:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %29, 0, %101, 0, %102, 0, 0, implicit $mode, implicit $exec
    %31:vgpr_32 = GLOBAL_LOAD_DWORD killed %15, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %7:vgpr_32 = contract nofpexcept V_FMAC_F32_e64 0, %31, 0, %101, 0, %102, 0, 0, implicit $mode, implicit $exec
    S_CBRANCH_EXECZ %bb.2, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    successors: %bb.2(0x80000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
    S_NOP 0
    S_BRANCH %bb.2

  bb.2:
    successors: %bb.3(0x40000000), %bb.4(0x40000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_NOP 0, implicit %6, implicit %7
    %16:vgpr_32(s32) = COPY $vgpr0
    %23:sreg_32 = S_MOV_B32 1
    %24:sreg_64 = V_CMP_LT_I32_e64 %16(s32), %23, implicit $exec
    %0:sreg_64 = COPY %24
    %5:sreg_64 = SI_IF %0, %bb.4, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.3

  bb.3:
    successors: %bb.4(0x80000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_NOP 0
    S_BRANCH %bb.4

  bb.4:
    successors: %bb.5(0x40000000), %bb.7(0x40000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    SI_END_CF %5, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_CBRANCH_EXECZ %bb.7, implicit $exec
    S_BRANCH %bb.5

  bb.5:
    successors: %bb.6(0x04000000), %bb.5(0x7c000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_NOP 0
    S_CBRANCH_EXECZ %bb.5, implicit $exec
    S_BRANCH %bb.6

  bb.6:
    successors: %bb.7(0x80000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_NOP 0
    S_BRANCH %bb.7

  bb.7:
    successors: %bb.8(0x04000000), %bb.2(0x7c000000)
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc

    S_CBRANCH_VCCZ %bb.2, implicit $vcc
    S_BRANCH %bb.8

  bb.8:
    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vcc
    S_ENDPGM 0
...
---
name: test_no_sink_permlane_swap
tracksRegLiveness: true
machineFunctionInfo:
  isEntryFunction: true
body: |
  ; GFX9-LABEL: name: test_no_sink_permlane_swap
  ; GFX9: bb.0:
  ; GFX9-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; GFX9-NEXT:   liveins: $vgpr0
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
  ; GFX9-NEXT:   [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
  ; GFX9-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 0
  ; GFX9-NEXT:   [[COPY1:%[0-9]+]]:vreg_64 = COPY [[S_MOV_B64_]]
  ; GFX9-NEXT:   [[GLOBAL_LOAD_DWORD:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD killed [[COPY1]], 0, 0, implicit $exec :: (load (s32), addrspace 1)
  ; GFX9-NEXT:   [[V_PERMLANE32_SWAP_B32_e64_:%[0-9]+]]:vgpr_32, [[V_PERMLANE32_SWAP_B32_e64_1:%[0-9]+]]:vgpr_32 = V_PERMLANE32_SWAP_B32_e64 [[GLOBAL_LOAD_DWORD]], [[GLOBAL_LOAD_DWORD]], 0, 0, implicit $exec
  ; GFX9-NEXT:   [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr0
  ; GFX9-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 1
  ; GFX9-NEXT:   [[V_CMP_LT_I32_e64_:%[0-9]+]]:sreg_64 = V_CMP_LT_I32_e64 [[COPY2]], [[S_MOV_B32_]], implicit $exec
  ; GFX9-NEXT:   [[SI_IF:%[0-9]+]]:sreg_64 = SI_IF [[V_CMP_LT_I32_e64_]], %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT:   S_BRANCH %bb.1
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.1:
  ; GFX9-NEXT:   successors: %bb.2(0x80000000)
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[V_MAX_I32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_I32_e64 [[V_PERMLANE32_SWAP_B32_e64_]], [[V_PERMLANE32_SWAP_B32_e64_1]], implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.2:
  ; GFX9-NEXT:   successors: %bb.3(0x80000000)
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT:   [[PHI:%[0-9]+]]:vgpr_32 = PHI [[V_MOV_B32_e32_]], %bb.0, [[V_MAX_I32_e64_]], %bb.1
  ; GFX9-NEXT:   SI_END_CF [[SI_IF]], implicit-def dead $exec, implicit-def dead $scc, implicit $exec
  ; GFX9-NEXT: {{  $}}
  ; GFX9-NEXT: bb.3:
  ; GFX9-NEXT:   S_ENDPGM 0, implicit [[PHI]]
  bb.0:
    successors: %bb.2(0x40000000), %bb.1(0x40000000)
    liveins: $vgpr0

    %0:vgpr_32 = COPY $vgpr0
    %1:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
    %2:sreg_64 = S_MOV_B64 0
    %3:vreg_64 = COPY %2
    %4:vgpr_32 = GLOBAL_LOAD_DWORD killed %3, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %5:vgpr_32, %6:vgpr_32 = V_PERMLANE32_SWAP_B32_e64 %4, %4, 0, 0, implicit $exec
    %7:vgpr_32 = COPY $vgpr0
    %8:sreg_32 = S_MOV_B32 1
    %9:sreg_64 = V_CMP_LT_I32_e64 %7, %8, implicit $exec
    %10:sreg_64 = COPY %9
    %11:sreg_64 = SI_IF %10, %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    successors: %bb.2(0x80000000)

    %12:vgpr_32 = V_MAX_I32_e64 %5, %6, implicit $exec

  bb.2:
    successors: %bb.3(0x80000000)

    %13:vgpr_32 = PHI %1, %bb.0, %12, %bb.1
    SI_END_CF %11, implicit-def dead $exec, implicit-def dead $scc, implicit $exec

  bb.3:
    S_ENDPGM 0, implicit %13
...