1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc -mtriple=amdgcn -run-pass=amdgpu-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s 3 4--- 5name: select_from_different_results_of_unmerge_values 6tracksRegLiveness: true 7body: | 8 bb.0: 9 liveins: $vgpr0 10 11 ; GCN-LABEL: name: select_from_different_results_of_unmerge_values 12 ; GCN: liveins: $vgpr0 13 ; GCN-NEXT: {{ $}} 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:_ 22 $vgpr0 = COPY %5 23 SI_RETURN_TO_EPILOG $vgpr0 24 25... 26 27--- 28name: select_from_same_results_of_unmerge_values 29tracksRegLiveness: true 30body: | 31 bb.0: 32 liveins: $vgpr0 33 34 ; GCN-LABEL: name: select_from_same_results_of_unmerge_values 35 ; GCN: liveins: $vgpr0 36 ; GCN-NEXT: {{ $}} 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:_ 45 $vgpr0 = COPY %5 46 SI_RETURN_TO_EPILOG $vgpr0 47 48... 49 50--- 51name: select_different_result_from_different_unmerge_values_with_the_same_source 52tracksRegLiveness: true 53body: | 54 bb.0: 55 liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4 56 57 ; GCN-LABEL: name: select_different_result_from_different_unmerge_values_with_the_same_source 58 ; GCN: liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4 59 ; GCN-NEXT: {{ $}} 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:_ 73 $vgpr0 = COPY %11 74... 75 76--- 77name: select_same_result_from_different_unmerge_values_with_the_same_source 78tracksRegLiveness: true 79body: | 80 bb.0: 81 liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4 82 83 ; GCN-LABEL: name: select_same_result_from_different_unmerge_values_with_the_same_source 84 ; GCN: liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4 85 ; GCN-NEXT: {{ $}} 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:_ 95 $vgpr0 = COPY %11 96... 97