lo16-32bit-physreg-copy.mir 862 Bytes
# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass postrapseudos -amdgpu-fix-16-bit-physreg-copies -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s

# GCN-LABEL: name: lo16_to_v32
# GCN: $vgpr1 = V_MOV_B32_e32 $vgpr0, implicit $exec
name: lo16_to_v32
tracksRegLiveness: true
body:             |
  bb.0:
    $vgpr0 = IMPLICIT_DEF
    $vgpr1_lo16 = COPY $vgpr0
    S_ENDPGM 0
...

# GCN-LABEL: name: v32_to_lo16
# GCN: $vgpr1 = V_MOV_B32_e32 $vgpr0, implicit $exec
name: v32_to_lo16
tracksRegLiveness: true
body:             |
  bb.0:
    $vgpr0 = IMPLICIT_DEF
    $vgpr1 = COPY $vgpr0_lo16
    S_ENDPGM 0
...

# GCN-LABEL: name: samereg
# GCN:      $vgpr0 = IMPLICIT_DEF
# GCN-NEXT: BUNDLE
# GCN-NEXT: S_ENDPGM
name: samereg
tracksRegLiveness: true
body:             |
  bb.0:
    $vgpr0 = IMPLICIT_DEF
    $vgpr0 = COPY $vgpr0_lo16
    S_ENDPGM 0
...