llvm/test/CodeGen/AMDGPU/true16-saveexec.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 2
# RUN: llc -march=amdgcn -mcpu=gfx1100 -mattr=+wavefrontsize64 -run-pass=si-optimize-exec-masking -o - %s | FileCheck %s

---
name:            int
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: int
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
  ; CHECK-NEXT:   liveins: $vgpr20
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   $sgpr0_sgpr1 = S_MOV_B64 $exec
  ; CHECK-NEXT:   V_CMPX_LT_I16_t16_nosdst_e64 0, 15, 0, $vgpr20_lo16, 0, implicit-def $exec, implicit $exec
  ; CHECK-NEXT:   renamable $sgpr0_sgpr1 = S_XOR_B64 $exec, killed renamable $sgpr0_sgpr1, implicit-def dead $scc
  ; CHECK-NEXT:   S_CBRANCH_EXECZ %bb.1, implicit $exec
  ; CHECK-NEXT:   S_BRANCH %bb.1
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   S_ENDPGM 0
  bb.1:
    liveins: $vgpr20
    $vcc = V_CMP_LT_I16_t16_e64 0, 15, 0, $vgpr20_lo16, 0, implicit $exec
    renamable $sgpr0_sgpr1 = COPY $exec, implicit-def $exec
    renamable $sgpr2_sgpr3 = S_AND_B64 renamable $sgpr0_sgpr1, killed $vcc, implicit-def dead $scc
    renamable $sgpr0_sgpr1 = S_XOR_B64 renamable $sgpr2_sgpr3, killed renamable $sgpr0_sgpr1, implicit-def dead $scc
    $exec = S_MOV_B64_term killed renamable $sgpr2_sgpr3
    S_CBRANCH_EXECZ %bb.2, implicit $exec
    S_BRANCH %bb.2

  bb.2:
    S_ENDPGM 0
...

---
name:            float
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: float
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
  ; CHECK-NEXT:   liveins: $vgpr20
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   $sgpr0_sgpr1 = S_MOV_B64 $exec
  ; CHECK-NEXT:   V_CMPX_LT_F16_t16_nosdst_e64 0, 15, 0, $vgpr20_lo16, 1, 0, implicit-def $exec, implicit $mode, implicit $exec
  ; CHECK-NEXT:   renamable $sgpr0_sgpr1 = S_XOR_B64 $exec, killed renamable $sgpr0_sgpr1, implicit-def dead $scc
  ; CHECK-NEXT:   S_CBRANCH_EXECZ %bb.1, implicit $exec
  ; CHECK-NEXT:   S_BRANCH %bb.1
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   S_ENDPGM 0
  bb.1:
    liveins: $vgpr20
    $vcc = V_CMP_LT_F16_t16_e64 0, 15, 0, $vgpr20_lo16, 1, 0, implicit $exec, implicit $mode
    renamable $sgpr0_sgpr1 = COPY $exec, implicit-def $exec
    renamable $sgpr2_sgpr3 = S_AND_B64 renamable $sgpr0_sgpr1, killed $vcc, implicit-def dead $scc
    renamable $sgpr0_sgpr1 = S_XOR_B64 renamable $sgpr2_sgpr3, killed renamable $sgpr0_sgpr1, implicit-def dead $scc
    $exec = S_MOV_B64_term killed renamable $sgpr2_sgpr3
    S_CBRANCH_EXECZ %bb.2, implicit $exec
    S_BRANCH %bb.2

  bb.2:
    S_ENDPGM 0
...