| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -O0 -mtriple aarch64-- -run-pass=legalizer %s -o - | FileCheck %s |
| |
| --- |
| name: test_unmerge |
| body: | |
| bb.1: |
| liveins: $w0 |
| ; CHECK-LABEL: name: test_unmerge |
| ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0 |
| ; CHECK: $w0 = COPY [[COPY]](s32) |
| %0:_(s32) = COPY $w0 |
| %1:_(<4 x s32>) = G_BUILD_VECTOR %0(s32), %0(s32), %0(s32), %0(s32) |
| %2:_(s32), %3:_(s32), %4:_(s32), %5:_(s32) = G_UNMERGE_VALUES %1(<4 x s32>) |
| $w0 = COPY %2(s32) |
| ... |
| |
| --- |
| name: test_legal_const_ext |
| body: | |
| bb.1: |
| liveins: $w0 |
| ; CHECK-LABEL: name: test_legal_const_ext |
| ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0 |
| ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 |
| ; CHECK: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[COPY]], [[C]] |
| ; CHECK: $w0 = COPY [[ADD]](s32) |
| %0:_(s32) = COPY $w0 |
| %1:_(s1) = G_TRUNC %0(s32) |
| %2:_(s1) = G_CONSTANT i1 2 |
| %3:_(s1) = G_ADD %1(s1), %2(s1) |
| %4:_(s32) = G_ANYEXT %3(s1) |
| $w0 = COPY %4(s32) |
| ... |
| |
| # Check that the artifact combiner can get rid of the big |
| # vector type (4 x s64) by combining the G_UNMERGE_VALUES |
| # with the G_CONCAT_VECTORS and turning that into bitcast. |
| --- |
| name: concat_vectors_unmerge_to_bitcast |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $q0, $q1 |
| |
| ; CHECK-LABEL: name: concat_vectors_unmerge_to_bitcast |
| ; CHECK: liveins: $q0, $q1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1 |
| ; CHECK: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[COPY]](<2 x s64>) |
| ; CHECK: [[BITCAST1:%[0-9]+]]:_(s128) = G_BITCAST [[COPY1]](<2 x s64>) |
| ; CHECK: $q0 = COPY [[BITCAST]](s128) |
| ; CHECK: $q1 = COPY [[BITCAST1]](s128) |
| %0:_(<2 x s64>) = COPY $q0 |
| %1:_(<2 x s64>) = COPY $q1 |
| %2:_(<4 x s64>) = G_CONCAT_VECTORS %0(<2 x s64>), %1(<2 x s64>) |
| %3:_(s128), %4:_(s128) = G_UNMERGE_VALUES %2(<4 x s64>) |
| $q0 = COPY %3(s128) |
| $q1 = COPY %4(s128) |
| ... |
| |
| # Check that the artifact combiner can get rid of the big |
| # vector type (4 x s64) by combining the G_UNMERGE_VALUES |
| # with the G_CONCAT_VECTORS and turning that into smaller |
| # 2x64-bit G_UNMERGE_VALUES. |
| --- |
| name: concat_vectors_unmerge_to_unmerge |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $q0, $q1 |
| |
| ; CHECK-LABEL: name: concat_vectors_unmerge_to_unmerge |
| ; CHECK: liveins: $q0, $q1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1 |
| ; CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>) |
| ; CHECK: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY1]](<2 x s64>) |
| ; CHECK: $x0 = COPY [[UV]](s64) |
| ; CHECK: $x1 = COPY [[UV1]](s64) |
| ; CHECK: $x2 = COPY [[UV2]](s64) |
| ; CHECK: $x3 = COPY [[UV3]](s64) |
| %0:_(<2 x s64>) = COPY $q0 |
| %1:_(<2 x s64>) = COPY $q1 |
| %2:_(<4 x s64>) = G_CONCAT_VECTORS %0(<2 x s64>), %1(<2 x s64>) |
| %3:_(s64), %4:_(s64), %5:_(s64), %6:_(s64) = G_UNMERGE_VALUES %2(<4 x s64>) |
| $x0 = COPY %3(s64) |
| $x1 = COPY %4(s64) |
| $x2 = COPY %5(s64) |
| $x3 = COPY %6(s64) |
| ... |
| --- |
| name: unmerge_merge_combine |
| tracksRegLiveness: true |
| body: | |
| bb.1: |
| liveins: $x0 |
| ; CHECK-LABEL: name: unmerge_merge_combine |
| ; CHECK: liveins: $x0 |
| ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 |
| ; CHECK: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[COPY]](p0) :: (load (s64)) |
| ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 |
| ; CHECK: [[LOAD1:%[0-9]+]]:_(s128) = G_LOAD [[COPY]](p0) :: (load (s128)) |
| ; CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[LOAD1]](s128) |
| ; CHECK: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[LOAD]], [[UV]] |
| ; CHECK: [[MUL1:%[0-9]+]]:_(s64) = G_MUL [[C]], [[UV]] |
| ; CHECK: [[MUL2:%[0-9]+]]:_(s64) = G_MUL [[LOAD]], [[UV1]] |
| ; CHECK: [[UMULH:%[0-9]+]]:_(s64) = G_UMULH [[LOAD]], [[UV]] |
| ; CHECK: [[ADD:%[0-9]+]]:_(s64) = G_ADD [[MUL1]], [[MUL2]] |
| ; CHECK: [[ADD1:%[0-9]+]]:_(s64) = G_ADD [[ADD]], [[UMULH]] |
| ; CHECK: [[MV:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[MUL]](s64), [[ADD1]](s64) |
| ; CHECK: $q0 = COPY [[MV]](s128) |
| ; CHECK: RET_ReallyLR |
| %0:_(p0) = COPY $x0 |
| %1:_(s128) = G_ZEXTLOAD %0:_(p0) :: (load (s64)) |
| %2:_(s128) = G_LOAD %0:_(p0) :: (load (s128)) |
| %3:_(s128) = G_MUL %1:_, %2:_ |
| $q0 = COPY %3 |
| RET_ReallyLR |
| ... |