forked from OSchip/llvm-project
45 lines
1.6 KiB
YAML
45 lines
1.6 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -march=amdgcn -run-pass=amdgpu-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
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---
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name: select_from_different_results_of_unmerge_values
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: select_from_different_results_of_unmerge_values
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; GCN: [[DEF:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
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; GCN: [[DEF1:%[0-9]+]]:_(s1) = G_IMPLICIT_DEF
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; GCN: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[DEF]](<2 x s32>)
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; GCN: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[DEF1]](s1), [[UV]], [[UV1]]
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; GCN: $vgpr0 = COPY [[SELECT]](s32)
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; GCN: SI_RETURN_TO_EPILOG $vgpr0
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%2:_(<2 x s32>) = G_IMPLICIT_DEF
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%4:_(s1) = G_IMPLICIT_DEF
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%0:_(s32), %1:_(s32) = G_UNMERGE_VALUES %2:_(<2 x s32>)
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%3:_(s32) = G_SELECT %4:_(s1), %0:_, %1:_
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$vgpr0 = COPY %3
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SI_RETURN_TO_EPILOG $vgpr0
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...
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---
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name: select_from_same_results_of_unmerge_values
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: select_from_same_results_of_unmerge_values
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; GCN: [[DEF:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
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; GCN: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[DEF]](<2 x s32>)
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; GCN: $vgpr0 = COPY [[UV]](s32)
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; GCN: SI_RETURN_TO_EPILOG $vgpr0
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%2:_(<2 x s32>) = G_IMPLICIT_DEF
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%4:_(s1) = G_IMPLICIT_DEF
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%0:_(s32), %1:_(s32) = G_UNMERGE_VALUES %2:_(<2 x s32>)
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%3:_(s32) = G_SELECT %4:_(s1), %0:_, %0:_
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$vgpr0 = COPY %3
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SI_RETURN_TO_EPILOG $vgpr0
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...
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