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| # 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: S_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 0, 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 0, 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 0, 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 0, implicit %1
...
|