llvm/test/CodeGen/AMDGPU/finalize-isel-kill-scc-vcc.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=amdgpu10.10 -run-pass finalize-isel -verify-machineinstrs %s -o - | FileCheck %s
---
name: phi_use_def_before_kill
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: phi_use_def_before_kill
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.3(0x80000000)
  ; CHECK-NEXT:   liveins: $sgpr0, $sgpr1
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:sgpr_32 = COPY $sgpr1
  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:sgpr_32 = COPY $sgpr0
  ; CHECK-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sgpr_32 = S_MOV_B32 1065353216
  ; CHECK-NEXT:   [[V_ADD_F32_e64_:%[0-9]+]]:vgpr_32 = nofpexcept V_ADD_F32_e64 0, [[COPY1]], 0, killed [[S_MOV_B32_]], 0, 0, implicit $mode, implicit $exec
  ; CHECK-NEXT:   [[S_MOV_B32_1:%[0-9]+]]:sgpr_32 = S_MOV_B32 0
  ; CHECK-NEXT:   [[V_CMP_GT_F32_e64_:%[0-9]+]]:sreg_32_xm0_xexec = nofpexcept V_CMP_GT_F32_e64 0, [[V_ADD_F32_e64_]], 0, [[S_MOV_B32_1]], 0, implicit $mode, implicit $exec
  ; CHECK-NEXT:   [[S_MOV_B32_2:%[0-9]+]]:sgpr_32 = S_MOV_B32 -1082130432
  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:vgpr_32 = COPY killed [[S_MOV_B32_2]]
  ; CHECK-NEXT:   [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[S_MOV_B32_1]], 0, [[COPY2]], killed [[V_CMP_GT_F32_e64_]], implicit $exec
  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:sgpr_32 = COPY [[V_CNDMASK_B32_e64_]]
  ; CHECK-NEXT:   [[S_MOV_B32_3:%[0-9]+]]:sreg_32 = S_MOV_B32 0
  ; CHECK-NEXT:   S_CMP_LG_U32 [[COPY]], killed [[S_MOV_B32_3]], implicit-def $scc
  ; CHECK-NEXT:   SI_KILL_F32_COND_IMM_TERMINATOR [[V_ADD_F32_e64_]], 0, 2, implicit-def $exec, implicit-def $scc, implicit-def $vcc_lo, implicit $exec
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3:
  ; CHECK-NEXT:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; CHECK-NEXT:   liveins: $vcc_lo, $scc
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   S_CBRANCH_SCC1 %bb.1, implicit $scc
  ; CHECK-NEXT:   S_CBRANCH_VCCNZ %bb.2, implicit $vcc_lo
  ; CHECK-NEXT:   S_BRANCH %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   [[S_MOV_B32_4:%[0-9]+]]:sgpr_32 = S_MOV_B32 0
  ; CHECK-NEXT:   [[V_CMP_EQ_F32_e64_:%[0-9]+]]:sreg_32 = nofpexcept V_CMP_EQ_F32_e64 0, [[COPY]], 0, killed [[S_MOV_B32_4]], 0, implicit $mode, implicit $exec
  ; CHECK-NEXT:   S_ENDPGM 0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   [[S_MOV_B32_5:%[0-9]+]]:sgpr_32 = S_MOV_B32 0
  ; CHECK-NEXT:   [[V_CMP_EQ_F32_e64_1:%[0-9]+]]:sreg_32 = nofpexcept V_CMP_EQ_F32_e64 0, [[COPY]], 0, killed [[S_MOV_B32_5]], 0, implicit $mode, implicit $exec
  ; CHECK-NEXT:   S_ENDPGM 0

  bb.0:
    liveins: $sgpr0, $sgpr1
    %3:sgpr_32 = COPY $sgpr1
    %2:sgpr_32 = COPY $sgpr0
    %5:sgpr_32 = S_MOV_B32 1065353216
    %6:vgpr_32 = nofpexcept V_ADD_F32_e64 0, %2:sgpr_32, 0, killed %5:sgpr_32, 0, 0, implicit $mode, implicit $exec
    %7:sgpr_32 = S_MOV_B32 0
    %8:sreg_32_xm0_xexec = nofpexcept V_CMP_GT_F32_e64 0, %6:vgpr_32, 0, %7:sgpr_32, 0, implicit $mode, implicit $exec
    %9:sgpr_32 = S_MOV_B32 -1082130432
    %11:vgpr_32 = COPY killed %9:sgpr_32
    %10:vgpr_32 = V_CNDMASK_B32_e64 0, %7:sgpr_32, 0, %11:vgpr_32, killed %8:sreg_32_xm0_xexec, implicit $exec
    %0:sgpr_32 = COPY %10:vgpr_32
    %12:sreg_32 = S_MOV_B32 0
    S_CMP_LG_U32 %3:sgpr_32, killed %12:sreg_32, implicit-def $scc
    SI_KILL_F32_COND_IMM_PSEUDO %6:vgpr_32, 0, 2, implicit-def $exec, implicit-def $scc, implicit-def $vcc, implicit $exec
    S_CBRANCH_SCC1 %bb.1, implicit $scc
    S_CBRANCH_VCCNZ %bb.2, implicit $vcc
    S_BRANCH %bb.2

  bb.1:
    %13:sgpr_32 = S_MOV_B32 0
    %14:sreg_32 = nofpexcept V_CMP_EQ_F32_e64 0, %3:sgpr_32, 0, killed %13:sgpr_32, 0, implicit $mode, implicit $exec
    S_ENDPGM 0

  bb.2:
    %15:sgpr_32 = S_MOV_B32 0
    %16:sreg_32 = nofpexcept V_CMP_EQ_F32_e64 0, %3:sgpr_32, 0, killed %15:sgpr_32, 0, implicit $mode, implicit $exec
    S_ENDPGM 0

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