forked from OSchip/llvm-project
56 lines
1.5 KiB
YAML
56 lines
1.5 KiB
YAML
# RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs -run-pass dead-mi-elimination -o - %s | FileCheck -check-prefix=GCN %s
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# GCN-LABEL: name: dead_undef
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# GCN: bb.0:
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# GCN-NEXT: S_ENDPGM 0
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---
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name: dead_undef
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tracksRegLiveness: true
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registers:
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- { id: 0, class: vgpr_32 }
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- { id: 1, class: vgpr_32 }
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- { id: 2, class: vgpr_32 }
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body: |
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bb.0:
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%0 = IMPLICIT_DEF
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%1 = IMPLICIT_DEF
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dead %2:vgpr_32 = V_MAC_F32_e32 %0:vgpr_32, %1:vgpr_32, undef %2:vgpr_32, implicit $exec
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S_ENDPGM 0
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# GCN-LABEL: name: dead_defined
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# GCN: bb.0:
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# GCN-NEXT: S_ENDPGM 0
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---
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name: dead_defined
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tracksRegLiveness: true
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registers:
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- { id: 0, class: vgpr_32 }
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- { id: 1, class: vgpr_32 }
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- { id: 2, class: vgpr_32 }
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body: |
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bb.0:
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%0 = IMPLICIT_DEF
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%1 = IMPLICIT_DEF
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%2 = IMPLICIT_DEF
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dead %2:vgpr_32 = V_MAC_F32_e32 %0:vgpr_32, %1:vgpr_32, %2:vgpr_32, implicit $exec
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S_ENDPGM 0
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# Probably this dead mac can be removed anyway.
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# GCN-LABEL: name: dead_def_live_use
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# GCN: dead %2:vgpr_32 = V_MAC_F32_e32 %0, %1, %2, implicit $exec
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---
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name: dead_def_live_use
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tracksRegLiveness: true
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registers:
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- { id: 0, class: vgpr_32 }
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- { id: 1, class: vgpr_32 }
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- { id: 2, class: vgpr_32 }
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body: |
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bb.0:
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%0 = IMPLICIT_DEF
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%1 = IMPLICIT_DEF
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%2 = IMPLICIT_DEF
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GLOBAL_STORE_DWORD undef $vgpr0_vgpr1, %2, 0, 0, 0, 0, implicit $exec
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dead %2:vgpr_32 = V_MAC_F32_e32 %0:vgpr_32, %1:vgpr_32, %2:vgpr_32, implicit $exec
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S_ENDPGM 0
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