1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -march=amdgcn -run-pass=amdgpu-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
5 name: select_from_different_results_of_unmerge_values
6 tracksRegLiveness: true
11 ; GCN-LABEL: name: select_from_different_results_of_unmerge_values
12 ; GCN: liveins: $vgpr0
14 ; GCN-NEXT: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
15 ; GCN-NEXT: $vgpr0 = COPY [[DEF]](s32)
16 ; GCN-NEXT: SI_RETURN_TO_EPILOG $vgpr0
17 %0:_(<2 x s32>) = G_IMPLICIT_DEF
18 %1:_(s32) = COPY $vgpr0
19 %2:_(s1) = G_TRUNC %1:_(s32)
20 %3:_(s32), %4:_(s32) = G_UNMERGE_VALUES %0:_(<2 x s32>)
21 %5:_(s32) = G_SELECT %2:_(s1), %3:_, %4:_
23 SI_RETURN_TO_EPILOG $vgpr0
28 name: select_from_same_results_of_unmerge_values
29 tracksRegLiveness: true
34 ; GCN-LABEL: name: select_from_same_results_of_unmerge_values
35 ; GCN: liveins: $vgpr0
37 ; GCN-NEXT: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
38 ; GCN-NEXT: $vgpr0 = COPY [[DEF]](s32)
39 ; GCN-NEXT: SI_RETURN_TO_EPILOG $vgpr0
40 %0:_(<2 x s32>) = G_IMPLICIT_DEF
41 %1:_(s32) = COPY $vgpr0
42 %2:_(s1) = G_TRUNC %1:_(s32)
43 %3:_(s32), %4:_(s32) = G_UNMERGE_VALUES %0:_(<2 x s32>)
44 %5:_(s32) = G_SELECT %2:_(s1), %3:_, %3:_
46 SI_RETURN_TO_EPILOG $vgpr0
51 name: select_different_result_from_different_unmerge_values_with_the_same_source
52 tracksRegLiveness: true
55 liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4
57 ; GCN-LABEL: name: select_different_result_from_different_unmerge_values_with_the_same_source
58 ; GCN: liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4
60 ; GCN-NEXT: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
61 ; GCN-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr4
62 ; GCN-NEXT: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[COPY1]](s32)
63 ; 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>)
64 ; 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>)
65 ; GCN-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[TRUNC]](s1), [[UV1]], [[UV7]]
66 ; GCN-NEXT: $vgpr0 = COPY [[SELECT]](s32)
67 %0:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
68 %1:_(s32) = COPY $vgpr4
69 %2:_(s1) = G_TRUNC %1:_(s32)
70 %3:_(s32), %4:_(s32), %5:_(s32), %6:_(s32) = G_UNMERGE_VALUES %0:_(<4 x s32>)
71 %7:_(s32), %8:_(s32), %9:_(s32), %10:_(s32) = G_UNMERGE_VALUES %0:_(<4 x s32>)
72 %11:_(s32) = G_SELECT %2:_(s1), %4:_, %10:_
77 name: select_same_result_from_different_unmerge_values_with_the_same_source
78 tracksRegLiveness: true
81 liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4
83 ; GCN-LABEL: name: select_same_result_from_different_unmerge_values_with_the_same_source
84 ; GCN: liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4
86 ; GCN-NEXT: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
87 ; 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>)
88 ; GCN-NEXT: $vgpr0 = COPY [[UV1]](s32)
89 %0:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
90 %1:_(s32) = COPY $vgpr4
91 %2:_(s1) = G_TRUNC %1:_(s32)
92 %3:_(s32), %4:_(s32), %5:_(s32), %6:_(s32) = G_UNMERGE_VALUES %0:_(<4 x s32>)
93 %7:_(s32), %8:_(s32), %9:_(s32), %10:_(s32) = G_UNMERGE_VALUES %0:_(<4 x s32>)
94 %11:_(s32) = G_SELECT %2:_(s1), %4:_, %8:_