waitcnt-permute.mir
622 Bytes
# RUN: llc -mtriple=amdgcn -mcpu=fiji -verify-machineinstrs -run-pass si-insert-waitcnts -o - %s | FileCheck %s
...
# CHECK-LABEL: name: waitcnt-permute{{$}}
# CHECK: DS_BPERMUTE_B32
# CHECK-NEXT: S_WAITCNT 127
name: waitcnt-permute
liveins:
- { reg: '$vgpr0' }
- { reg: '$vgpr1' }
- { reg: '$sgpr30_sgpr31' }
body: |
bb.0:
liveins: $vgpr0, $vgpr1, $sgpr30_sgpr31
$vgpr0 = DS_BPERMUTE_B32 killed $vgpr0, killed $vgpr1, 0, implicit $exec
$vgpr0 = V_ADD_F32_e32 1065353216, killed $vgpr0, implicit $exec
S_SETPC_B64_return killed $sgpr30_sgpr31, implicit killed $vgpr0
...