src/llvm-project/llvm/test/CodeGen/AMDGPU/stop-tail-duplicate-cfg-intrinsic.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -run-pass=early-tailduplication -verify-machineinstrs -o - %s | FileCheck %s

---
name:            stop_duplicate_cfg_intrinsic
tracksRegLiveness: true
body: |
  ; CHECK-LABEL: name: stop_duplicate_cfg_intrinsic
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
  ; CHECK-NEXT:   liveins: $vgpr0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
  ; CHECK-NEXT:   [[DEF:%[0-9]+]]:sreg_64 = IMPLICIT_DEF
  ; CHECK-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY [[S_MOV_B32_]]
  ; CHECK-NEXT:   [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U32_e64 [[COPY]], [[COPY1]], implicit $exec
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   successors: %bb.2(0x40000000), %bb.3(0x40000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[PHI:%[0-9]+]]:vgpr_32 = PHI [[S_MOV_B32_]], %bb.0, %6, %bb.3
  ; CHECK-NEXT:   [[SI_IF:%[0-9]+]]:sreg_64_xexec = SI_IF [[V_CMP_EQ_U32_e64_]], %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec
  ; CHECK-NEXT:   S_BRANCH %bb.3
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   successors: %bb.3(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   SI_END_CF [[SI_IF]], implicit-def $exec, implicit-def $scc, implicit $exec
  ; CHECK-NEXT:   [[S_MOV_B32_1:%[0-9]+]]:sreg_32 = S_MOV_B32 1
  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[S_MOV_B32_1]]
  ; CHECK-NEXT:   [[V_ADD_CO_U32_e64_:%[0-9]+]]:vgpr_32, dead [[V_ADD_CO_U32_e64_1:%[0-9]+]]:sreg_64_xexec = V_ADD_CO_U32_e64 [[PHI]], [[COPY2]], 0, implicit $exec
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3:
  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[PHI1:%[0-9]+]]:vgpr_32 = PHI [[V_ADD_CO_U32_e64_]], %bb.2, [[PHI]], %bb.1
  ; CHECK-NEXT:   [[S_MOV_B32_2:%[0-9]+]]:sreg_32 = S_MOV_B32 4294967295
  ; CHECK-NEXT:   [[S_MOV_B32_3:%[0-9]+]]:sreg_32 = S_MOV_B32 61440
  ; CHECK-NEXT:   [[REG_SEQUENCE:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[S_MOV_B32_2]], %subreg.sub0, [[S_MOV_B32_3]], %subreg.sub1
  ; CHECK-NEXT:   [[REG_SEQUENCE1:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[DEF]], %subreg.sub0_sub1, [[REG_SEQUENCE]], %subreg.sub2_sub3
  ; CHECK-NEXT:   BUFFER_STORE_DWORD_OFFSET [[PHI1]], [[REG_SEQUENCE1]], 0, 0, 0, 0, implicit $exec
  ; CHECK-NEXT:   S_BRANCH %bb.1
  bb.1:
    liveins: $vgpr0

    %0:vgpr_32 = COPY $vgpr0
    %12:sreg_64 = IMPLICIT_DEF
    %4:sreg_32 = S_MOV_B32 0
    %14:vgpr_32 = COPY %4:sreg_32
    %5:sreg_64_xexec = V_CMP_EQ_U32_e64 %0:vgpr_32, %14:vgpr_32, implicit $exec

  bb.2:
    %6:vgpr_32 = PHI %4:sreg_32, %bb.1, %11:vgpr_32, %bb.4
    %8:sreg_64_xexec = SI_IF %5:sreg_64_xexec, %bb.3, implicit-def $exec, implicit-def $scc, implicit $exec
    S_BRANCH %bb.4

  bb.3:
    SI_END_CF %8:sreg_64_xexec, implicit-def $exec, implicit-def $scc, implicit $exec
    %13:sreg_32 = S_MOV_B32 1
    %15:vgpr_32 = COPY %13:sreg_32
    %10:vgpr_32, dead %20:sreg_64_xexec = V_ADD_CO_U32_e64 %6:vgpr_32, %15:vgpr_32, 0, implicit $exec

  bb.4:
    %11:vgpr_32 = PHI %10:vgpr_32, %bb.3, %6:vgpr_32, %bb.2
    %16:sreg_32 = S_MOV_B32 4294967295
    %17:sreg_32 = S_MOV_B32 61440
    %18:sreg_64 = REG_SEQUENCE %16:sreg_32, %subreg.sub0, %17:sreg_32, %subreg.sub1
    %19:sgpr_128 = REG_SEQUENCE %12:sreg_64, %subreg.sub0_sub1, %18:sreg_64, %subreg.sub2_sub3
    BUFFER_STORE_DWORD_OFFSET %11:vgpr_32, %19:sgpr_128, 0, 0, 0, 0, implicit $exec
    S_BRANCH %bb.2

...