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|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -run-pass=amdgpu-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
---
name: select_from_different_results_of_unmerge_values
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0
; GCN-LABEL: name: select_from_different_results_of_unmerge_values
; GCN: liveins: $vgpr0
; GCN-NEXT: {{ $}}
; GCN-NEXT: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
; GCN-NEXT: $vgpr0 = COPY [[DEF]](s32)
; GCN-NEXT: SI_RETURN_TO_EPILOG $vgpr0
%0:_(<2 x s32>) = G_IMPLICIT_DEF
%1:_(s32) = COPY $vgpr0
%2:_(s1) = G_TRUNC %1:_(s32)
%3:_(s32), %4:_(s32) = G_UNMERGE_VALUES %0:_(<2 x s32>)
%5:_(s32) = G_SELECT %2:_(s1), %3:_, %4:_
$vgpr0 = COPY %5
SI_RETURN_TO_EPILOG $vgpr0
...
---
name: select_from_same_results_of_unmerge_values
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0
; GCN-LABEL: name: select_from_same_results_of_unmerge_values
; GCN: liveins: $vgpr0
; GCN-NEXT: {{ $}}
; GCN-NEXT: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
; GCN-NEXT: $vgpr0 = COPY [[DEF]](s32)
; GCN-NEXT: SI_RETURN_TO_EPILOG $vgpr0
%0:_(<2 x s32>) = G_IMPLICIT_DEF
%1:_(s32) = COPY $vgpr0
%2:_(s1) = G_TRUNC %1:_(s32)
%3:_(s32), %4:_(s32) = G_UNMERGE_VALUES %0:_(<2 x s32>)
%5:_(s32) = G_SELECT %2:_(s1), %3:_, %3:_
$vgpr0 = COPY %5
SI_RETURN_TO_EPILOG $vgpr0
...
---
name: select_different_result_from_different_unmerge_values_with_the_same_source
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4
; GCN-LABEL: name: select_different_result_from_different_unmerge_values_with_the_same_source
; GCN: liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4
; GCN-NEXT: {{ $}}
; GCN-NEXT: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
; GCN-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr4
; GCN-NEXT: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[COPY1]](s32)
; GCN-NEXT: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<4 x s32>)
; GCN-NEXT: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32), [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<4 x s32>)
; GCN-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[TRUNC]](s1), [[UV1]], [[UV7]]
; GCN-NEXT: $vgpr0 = COPY [[SELECT]](s32)
%0:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
%1:_(s32) = COPY $vgpr4
%2:_(s1) = G_TRUNC %1:_(s32)
%3:_(s32), %4:_(s32), %5:_(s32), %6:_(s32) = G_UNMERGE_VALUES %0:_(<4 x s32>)
%7:_(s32), %8:_(s32), %9:_(s32), %10:_(s32) = G_UNMERGE_VALUES %0:_(<4 x s32>)
%11:_(s32) = G_SELECT %2:_(s1), %4:_, %10:_
$vgpr0 = COPY %11
...
---
name: select_same_result_from_different_unmerge_values_with_the_same_source
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4
; GCN-LABEL: name: select_same_result_from_different_unmerge_values_with_the_same_source
; GCN: liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4
; GCN-NEXT: {{ $}}
; GCN-NEXT: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
; GCN-NEXT: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<4 x s32>)
; GCN-NEXT: $vgpr0 = COPY [[UV1]](s32)
%0:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
%1:_(s32) = COPY $vgpr4
%2:_(s1) = G_TRUNC %1:_(s32)
%3:_(s32), %4:_(s32), %5:_(s32), %6:_(s32) = G_UNMERGE_VALUES %0:_(<4 x s32>)
%7:_(s32), %8:_(s32), %9:_(s32), %10:_(s32) = G_UNMERGE_VALUES %0:_(<4 x s32>)
%11:_(s32) = G_SELECT %2:_(s1), %4:_, %8:_
$vgpr0 = COPY %11
...
|
