mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 10:42:39 +01:00
942aacbda6
Normally DCE kills these, but at -O0 these get left behind leaving suspicious looking illegal copies. Replace with IMPLICIT_DEF to avoid iterator issues. llvm-svn: 327842
75 lines
1.6 KiB
YAML
75 lines
1.6 KiB
YAML
# RUN: llc -march=amdgcn -run-pass si-fix-sgpr-copies %s -o - | FileCheck %s -check-prefixes=GCN
|
|
|
|
---
|
|
|
|
name: phi_visit_order
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: sreg_32_xm0 }
|
|
- { id: 1, class: sreg_64 }
|
|
- { id: 2, class: sreg_32_xm0 }
|
|
- { id: 7, class: vgpr_32 }
|
|
- { id: 8, class: sreg_32_xm0 }
|
|
- { id: 9, class: vgpr_32 }
|
|
- { id: 10, class: sreg_64 }
|
|
- { id: 11, class: sreg_32_xm0 }
|
|
|
|
body: |
|
|
; GCN-LABEL: name: phi_visit_order
|
|
; GCN: V_ADD_I32
|
|
bb.0:
|
|
liveins: $vgpr0
|
|
%7 = COPY $vgpr0
|
|
%8 = S_MOV_B32 0
|
|
|
|
bb.1:
|
|
%0 = PHI %8, %bb.0, %0, %bb.1, %2, %bb.2
|
|
%9 = V_MOV_B32_e32 9, implicit $exec
|
|
%10 = V_CMP_EQ_U32_e64 %7, %9, implicit $exec
|
|
%1 = SI_IF %10, %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec
|
|
S_BRANCH %bb.1
|
|
|
|
bb.2:
|
|
SI_END_CF %1, implicit-def $exec, implicit-def $scc, implicit $exec
|
|
%11 = S_MOV_B32 1
|
|
%2 = S_ADD_I32 %0, %11, implicit-def $scc
|
|
S_BRANCH %bb.1
|
|
|
|
...
|
|
|
|
---
|
|
|
|
# GCN-LABEL: name: dead_illegal_virtreg_copy
|
|
# GCN: %0:vgpr_32 = COPY $vgpr0
|
|
# GCN: %1:sreg_32_xm0 = IMPLICIT_DEF
|
|
# GCN: S_ENDPGM implicit %0
|
|
|
|
name: dead_illegal_virtreg_copy
|
|
tracksRegLiveness: true
|
|
|
|
body: |
|
|
bb.0:
|
|
liveins: $vgpr0
|
|
%0:vgpr_32 = COPY $vgpr0
|
|
%1:sreg_32_xm0 = COPY %0
|
|
S_ENDPGM implicit %1
|
|
...
|
|
|
|
---
|
|
|
|
# GCN-LABEL: name: dead_illegal_physreg_copy
|
|
# GCN %2:vgpr_32 = COPY $vgpr0
|
|
# GCN: %1:sreg_32_xm0 = IMPLICIT_DEF
|
|
# GCN: S_ENDPGM implicit %2
|
|
|
|
name: dead_illegal_physreg_copy
|
|
tracksRegLiveness: true
|
|
|
|
body: |
|
|
bb.0:
|
|
liveins: $vgpr0
|
|
%0:sreg_32_xm0 = COPY $vgpr0
|
|
%1:sreg_32_xm0 = COPY %0
|
|
S_ENDPGM implicit %1
|
|
...
|