File: vgpr-remat-v_pk_mov_b32.mir

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llvm-toolchain-21 1%3A21.1.6-3
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 -run-pass=register-coalescer -o - %s | FileCheck %s

---
name: test_remat_v_pk_mov_b32
tracksRegLiveness: true
body: |
  ; CHECK-LABEL: name: test_remat_v_pk_mov_b32
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; CHECK-NEXT:   liveins: $sgpr0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[V_PK_MOV_B32_:%[0-9]+]]:vreg_64_align2 = V_PK_MOV_B32 8, 0, 8, 0, 0, 0, 0, 0, 0, implicit $exec
  ; CHECK-NEXT:   [[V_PK_MOV_B32_1:%[0-9]+]]:vreg_64_align2 = V_PK_MOV_B32 8, 0, 8, 0, 0, 0, 0, 0, 0, implicit $exec
  ; CHECK-NEXT:   [[V_PK_MOV_B32_2:%[0-9]+]]:vreg_64_align2 = V_PK_MOV_B32 8, 0, 8, 0, 0, 0, 0, 0, 0, implicit $exec
  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0
  ; CHECK-NEXT:   $exec = S_MOV_B64_term [[COPY]]
  ; CHECK-NEXT:   S_CBRANCH_EXECZ %bb.2, implicit $exec
  ; CHECK-NEXT:   S_BRANCH %bb.1
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   successors: %bb.2(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[V_PK_MOV_B32_1:%[0-9]+]]:vreg_64_align2 = V_PK_ADD_F32 8, [[V_PK_MOV_B32_1]], 8, [[V_PK_MOV_B32_1]], 11, 0, 0, 0, 0, implicit $mode, implicit $exec
  ; CHECK-NEXT:   [[V_PK_MOV_B32_2:%[0-9]+]]:vreg_64_align2 = V_PK_ADD_F32 8, [[V_PK_MOV_B32_2]], 8, [[V_PK_MOV_B32_2]], 11, 0, 0, 0, 0, implicit $mode, implicit $exec
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   S_NOP 0, implicit [[V_PK_MOV_B32_1]]
  ; CHECK-NEXT:   S_NOP 0, implicit [[V_PK_MOV_B32_2]]
  ; CHECK-NEXT:   S_ENDPGM 0, implicit [[V_PK_MOV_B32_]]
  bb.0:
    liveins: $sgpr0
    %0:vreg_64_align2 = V_PK_MOV_B32 8, 0, 8, 0, 0, 0, 0, 0, 0, implicit $exec
    %1:vreg_64_align2 = COPY %0:vreg_64_align2
    %2:vreg_64_align2 = COPY %0:vreg_64_align2
    %3:sreg_64 = COPY $sgpr0
    $exec = S_MOV_B64_term %3:sreg_64
    S_CBRANCH_EXECZ %bb.2, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    %1:vreg_64_align2 = V_PK_ADD_F32 8, %1, 8, %1, 11, 0, 0, 0, 0, implicit $mode, implicit $exec
    %2:vreg_64_align2 = V_PK_ADD_F32 8, %2, 8, %2, 11, 0, 0, 0, 0, implicit $mode, implicit $exec

  bb.2:
    S_NOP 0, implicit %1
    S_NOP 0, implicit %2
    S_ENDPGM 0, implicit %0
...