37 lines
1 KiB
Text
37 lines
1 KiB
Text
|
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 \
|
||
|
|
# RUN: -start-before=greedy,0 -stop-after=virtregrewriter,0 -pass-remarks='.*' -pass-remarks-output=%t.yaml -o /dev/null %s
|
||
|
|
# RUN: FileCheck %s < %t.yaml
|
||
|
|
|
||
|
|
# CHECK: Name: SpillReloadCopies
|
||
|
|
# CHECK-NEXT: Function: func
|
||
|
|
# CHECK-NEXT: Args:
|
||
|
|
# CHECK-NEXT: - NumVRCopies: '3'
|
||
|
|
# CHECK-NEXT: - String: ' virtual registers copies '
|
||
|
|
|
||
|
|
# Make sure the remarks do not crash with subregisters on unassigned
|
||
|
|
# virtual register copies.
|
||
|
|
|
||
|
|
---
|
||
|
|
name: func
|
||
|
|
tracksRegLiveness: true
|
||
|
|
body: |
|
||
|
|
bb.0:
|
||
|
|
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $sgpr1
|
||
|
|
|
||
|
|
; Unassigned dest with subreg
|
||
|
|
undef %0.sub0:vreg_64 = COPY $vgpr0_vgpr1
|
||
|
|
|
||
|
|
; unassigned src and dest with subregs
|
||
|
|
undef %1.sub1:vreg_64 = COPY %0.sub0
|
||
|
|
|
||
|
|
%2:vreg_64 = COPY $vgpr2_vgpr3
|
||
|
|
|
||
|
|
; Unassigned src with subregs
|
||
|
|
$vgpr0 = COPY %2.sub0
|
||
|
|
|
||
|
|
; Dummy SGPR to allocate to ensure allocation ran.
|
||
|
|
%3:sreg_32 = COPY $sgpr1
|
||
|
|
S_ENDPGM 0, implicit %0, implicit %1, implicit $vgpr0, implicit %3
|
||
|
|
|
||
|
|
...
|