1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc -O0 -mtriple aarch64-- -run-pass=legalizer %s -o - | FileCheck %s 3 4--- 5name: test_unmerge 6body: | 7 bb.1: 8 liveins: $w0 9 ; CHECK-LABEL: name: test_unmerge 10 ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0 11 ; CHECK: $w0 = COPY [[COPY]](s32) 12 %0:_(s32) = COPY $w0 13 %1:_(<4 x s32>) = G_BUILD_VECTOR %0(s32), %0(s32), %0(s32), %0(s32) 14 %2:_(s32), %3:_(s32), %4:_(s32), %5:_(s32) = G_UNMERGE_VALUES %1(<4 x s32>) 15 $w0 = COPY %2(s32) 16... 17 18--- 19name: test_legal_const_ext 20body: | 21 bb.1: 22 liveins: $w0 23 ; CHECK-LABEL: name: test_legal_const_ext 24 ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0 25 ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY [[COPY]](s32) 26 ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 27 ; CHECK: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[COPY1]], [[C]] 28 ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[ADD]](s32) 29 ; CHECK: $w0 = COPY [[COPY2]](s32) 30 %0:_(s32) = COPY $w0 31 %1:_(s1) = G_TRUNC %0(s32) 32 %2:_(s1) = G_CONSTANT i1 2 33 %3:_(s1) = G_ADD %1(s1), %2(s1) 34 %4:_(s32) = G_ANYEXT %3(s1) 35 $w0 = COPY %4(s32) 36... 37 38# Check that the artifact combiner can get rid of the big 39# vector type (4 x s64) by combining the G_UNMERGE_VALUES 40# with the G_CONCAT_VECTORS and turning that into bitcast. 41--- 42name: concat_vectors_unmerge_to_bitcast 43tracksRegLiveness: true 44body: | 45 bb.0: 46 liveins: $q0, $q1 47 48 ; CHECK-LABEL: name: concat_vectors_unmerge_to_bitcast 49 ; CHECK: liveins: $q0, $q1 50 ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0 51 ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1 52 ; CHECK: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[COPY]](<2 x s64>) 53 ; CHECK: [[BITCAST1:%[0-9]+]]:_(s128) = G_BITCAST [[COPY1]](<2 x s64>) 54 ; CHECK: $q0 = COPY [[BITCAST]](s128) 55 ; CHECK: $q1 = COPY [[BITCAST1]](s128) 56 %0:_(<2 x s64>) = COPY $q0 57 %1:_(<2 x s64>) = COPY $q1 58 %2:_(<4 x s64>) = G_CONCAT_VECTORS %0(<2 x s64>), %1(<2 x s64>) 59 %3:_(s128), %4:_(s128) = G_UNMERGE_VALUES %2(<4 x s64>) 60 $q0 = COPY %3(s128) 61 $q1 = COPY %4(s128) 62... 63 64# Check that the artifact combiner can get rid of the big 65# vector type (4 x s64) by combining the G_UNMERGE_VALUES 66# with the G_CONCAT_VECTORS and turning that into smaller 67# 2x64-bit G_UNMERGE_VALUES. 68--- 69name: concat_vectors_unmerge_to_unmerge 70tracksRegLiveness: true 71body: | 72 bb.0: 73 liveins: $q0, $q1 74 75 ; CHECK-LABEL: name: concat_vectors_unmerge_to_unmerge 76 ; CHECK: liveins: $q0, $q1 77 ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0 78 ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1 79 ; CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>) 80 ; CHECK: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY1]](<2 x s64>) 81 ; CHECK: $x0 = COPY [[UV]](s64) 82 ; CHECK: $x1 = COPY [[UV1]](s64) 83 ; CHECK: $x2 = COPY [[UV2]](s64) 84 ; CHECK: $x3 = COPY [[UV3]](s64) 85 %0:_(<2 x s64>) = COPY $q0 86 %1:_(<2 x s64>) = COPY $q1 87 %2:_(<4 x s64>) = G_CONCAT_VECTORS %0(<2 x s64>), %1(<2 x s64>) 88 %3:_(s64), %4:_(s64), %5:_(s64), %6:_(s64) = G_UNMERGE_VALUES %2(<4 x s64>) 89 $x0 = COPY %3(s64) 90 $x1 = COPY %4(s64) 91 $x2 = COPY %5(s64) 92 $x3 = COPY %6(s64) 93... 94--- 95name: unmerge_merge_combine 96tracksRegLiveness: true 97body: | 98 bb.1: 99 liveins: $x0 100 ; CHECK-LABEL: name: unmerge_merge_combine 101 ; CHECK: liveins: $x0 102 ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 103 ; CHECK: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[COPY]](p0) :: (load 8) 104 ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 105 ; CHECK: [[LOAD1:%[0-9]+]]:_(s128) = G_LOAD [[COPY]](p0) :: (load 16) 106 ; CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[LOAD1]](s128) 107 ; CHECK: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[LOAD]], [[UV]] 108 ; CHECK: [[MUL1:%[0-9]+]]:_(s64) = G_MUL [[C]], [[UV]] 109 ; CHECK: [[MUL2:%[0-9]+]]:_(s64) = G_MUL [[LOAD]], [[UV1]] 110 ; CHECK: [[UMULH:%[0-9]+]]:_(s64) = G_UMULH [[LOAD]], [[UV]] 111 ; CHECK: [[ADD:%[0-9]+]]:_(s64) = G_ADD [[MUL1]], [[MUL2]] 112 ; CHECK: [[ADD1:%[0-9]+]]:_(s64) = G_ADD [[ADD]], [[UMULH]] 113 ; CHECK: [[MV:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[MUL]](s64), [[ADD1]](s64) 114 ; CHECK: $q0 = COPY [[MV]](s128) 115 ; CHECK: RET_ReallyLR 116 %0:_(p0) = COPY $x0 117 %1:_(s128) = G_ZEXTLOAD %0:_(p0) :: (load 8) 118 %2:_(s128) = G_LOAD %0:_(p0) :: (load 16) 119 %3:_(s128) = G_MUL %1:_, %2:_ 120 $q0 = COPY %3 121 RET_ReallyLR 122... 123