53 lines
1.8 KiB
Plaintext
53 lines
1.8 KiB
Plaintext
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# 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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liveins: $vgpr0
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; GCN-LABEL: name: select_from_different_results_of_unmerge_values
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; GCN: liveins: $vgpr0
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; GCN: [[DEF:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
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; GCN: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
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; GCN: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[COPY]](s32)
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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 [[TRUNC]](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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%0:_(<2 x s32>) = G_IMPLICIT_DEF
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%1:_(s32) = COPY $vgpr0
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%2:_(s1) = G_TRUNC %1:_(s32)
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%3:_(s32), %4:_(s32) = G_UNMERGE_VALUES %0:_(<2 x s32>)
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%5:_(s32) = G_SELECT %2:_(s1), %3:_, %4:_
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$vgpr0 = COPY %5
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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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liveins: $vgpr0
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; GCN-LABEL: name: select_from_same_results_of_unmerge_values
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; GCN: liveins: $vgpr0
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; GCN: [[DEF:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
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; GCN: [[BITCAST:%[0-9]+]]:_(s64) = G_BITCAST [[DEF]](<2 x s32>)
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; GCN: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[BITCAST]](s64)
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; GCN: $vgpr0 = COPY [[TRUNC]](s32)
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; GCN: SI_RETURN_TO_EPILOG $vgpr0
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%0:_(<2 x s32>) = G_IMPLICIT_DEF
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%1:_(s32) = COPY $vgpr0
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%2:_(s1) = G_TRUNC %1:_(s32)
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%3:_(s32), %4:_(s32) = G_UNMERGE_VALUES %0:_(<2 x s32>)
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%5:_(s32) = G_SELECT %2:_(s1), %3:_, %3:_
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$vgpr0 = COPY %5
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SI_RETURN_TO_EPILOG $vgpr0
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...
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