41 lines
1.3 KiB
YAML
41 lines
1.3 KiB
YAML
# REQUIRES: amdgpu-registered-target
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# RUN: llvm-reduce -abort-on-invalid-reduction -simplify-mir --delta-passes=instructions -mtriple=amdgcn-amd-amdhsa --test FileCheck --test-arg --check-prefix=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t 2> %t.log
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# RUN: FileCheck --check-prefix=RESULT %s < %t
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# CHECK-INTERESTINGNESS-LABEL: name: dead_def
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# CHECK-INTERESTINGNESS: S_ENDPGM
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# Make sure no IMPLICIT_DEF is introduced for dead operands.
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# RESULT: bb.0
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# RESULT-NEXT: S_ENDPGM
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---
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name: dead_def
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tracksRegLiveness: true
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body: |
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bb.0:
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S_WAITCNT 0
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dead %0:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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S_ENDPGM 0
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...
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# CHECK-INTERESTINGNESS-LABEL: name: prev_def_rc_is_dead
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# CHECK-INTERESTINGNESS: V_MOV_B32_e32
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# CHECK-INTERESTINGNESS: V_MOV_B32_e32
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# CHECK-INTERESTINGNESS: V_MOV_B32_e32
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# RESULT: %0:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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# RESULT-NEXT: dead %1:vgpr_32 = V_MOV_B32_e32 %0, implicit $exec
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# RESULT-NEXT: %2:vgpr_32 = V_MOV_B32_e32 %0, implicit $exec
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---
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name: prev_def_rc_is_dead
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tracksRegLiveness: true
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body: |
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bb.0:
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S_WAITCNT 0
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%0:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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dead %1:vgpr_32 = V_MOV_B32_e32 %0, implicit $exec
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%2:vgpr_32 = V_MOV_B32_e32 %0, implicit $exec
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S_ENDPGM 0, implicit %2
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...
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