| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # |
| # Check that we can recognize a shuffle mask for a zip instruction, and produce |
| # G_ZIP1 or G_ZIP2 where appropriate. |
| # |
| # RUN: llc -mtriple aarch64 -run-pass=aarch64-postlegalizer-lowering -verify-machineinstrs %s -o - | FileCheck %s |
| |
| ... |
| --- |
| name: zip1_v2s32 |
| alignment: 4 |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.1.entry: |
| liveins: $d0, $d1 |
| |
| ; CHECK-LABEL: name: zip1_v2s32 |
| ; CHECK: liveins: $d0, $d1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $d0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $d1 |
| ; CHECK: [[ZIP1_:%[0-9]+]]:_(<2 x s32>) = G_ZIP1 [[COPY]], [[COPY1]] |
| ; CHECK: $d0 = COPY [[ZIP1_]](<2 x s32>) |
| ; CHECK: RET_ReallyLR implicit $d0 |
| %0:_(<2 x s32>) = COPY $d0 |
| %1:_(<2 x s32>) = COPY $d1 |
| %2:_(<2 x s32>) = G_SHUFFLE_VECTOR %0(<2 x s32>), %1, shufflemask(0, 2) |
| $d0 = COPY %2(<2 x s32>) |
| RET_ReallyLR implicit $d0 |
| |
| ... |
| --- |
| name: zip1_v2s64 |
| alignment: 4 |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.1.entry: |
| liveins: $q0, $q1 |
| |
| ; CHECK-LABEL: name: zip1_v2s64 |
| ; CHECK: liveins: $q0, $q1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1 |
| ; CHECK: [[ZIP1_:%[0-9]+]]:_(<2 x s64>) = G_ZIP1 [[COPY]], [[COPY1]] |
| ; CHECK: $q0 = COPY [[ZIP1_]](<2 x s64>) |
| ; CHECK: RET_ReallyLR implicit $q0 |
| %0:_(<2 x s64>) = COPY $q0 |
| %1:_(<2 x s64>) = COPY $q1 |
| %2:_(<2 x s64>) = G_SHUFFLE_VECTOR %0(<2 x s64>), %1, shufflemask(0, 2) |
| $q0 = COPY %2(<2 x s64>) |
| RET_ReallyLR implicit $q0 |
| |
| ... |
| --- |
| name: zip1_v4s32 |
| alignment: 4 |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.1.entry: |
| liveins: $q0, $q1 |
| |
| ; CHECK-LABEL: name: zip1_v4s32 |
| ; CHECK: liveins: $q0, $q1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $q1 |
| ; CHECK: [[ZIP1_:%[0-9]+]]:_(<4 x s32>) = G_ZIP1 [[COPY]], [[COPY1]] |
| ; CHECK: $q0 = COPY [[ZIP1_]](<4 x s32>) |
| ; CHECK: RET_ReallyLR implicit $q0 |
| %0:_(<4 x s32>) = COPY $q0 |
| %1:_(<4 x s32>) = COPY $q1 |
| %2:_(<4 x s32>) = G_SHUFFLE_VECTOR %0(<4 x s32>), %1, shufflemask(0, 4, 1, 5) |
| $q0 = COPY %2(<4 x s32>) |
| RET_ReallyLR implicit $q0 |
| |
| ... |
| --- |
| name: zip2_v2s32 |
| alignment: 4 |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.1.entry: |
| liveins: $d0, $d1 |
| |
| ; CHECK-LABEL: name: zip2_v2s32 |
| ; CHECK: liveins: $d0, $d1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $d0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $d1 |
| ; CHECK: [[ZIP2_:%[0-9]+]]:_(<2 x s32>) = G_ZIP2 [[COPY]], [[COPY1]] |
| ; CHECK: $d0 = COPY [[ZIP2_]](<2 x s32>) |
| ; CHECK: RET_ReallyLR implicit $d0 |
| %0:_(<2 x s32>) = COPY $d0 |
| %1:_(<2 x s32>) = COPY $d1 |
| %2:_(<2 x s32>) = G_SHUFFLE_VECTOR %0(<2 x s32>), %1, shufflemask(1, 3) |
| $d0 = COPY %2(<2 x s32>) |
| RET_ReallyLR implicit $d0 |
| |
| ... |
| --- |
| name: zip2_v2s64 |
| alignment: 4 |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.1.entry: |
| liveins: $q0, $q1 |
| |
| ; CHECK-LABEL: name: zip2_v2s64 |
| ; CHECK: liveins: $q0, $q1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1 |
| ; CHECK: [[ZIP2_:%[0-9]+]]:_(<2 x s64>) = G_ZIP2 [[COPY]], [[COPY1]] |
| ; CHECK: $q0 = COPY [[ZIP2_]](<2 x s64>) |
| ; CHECK: RET_ReallyLR implicit $q0 |
| %0:_(<2 x s64>) = COPY $q0 |
| %1:_(<2 x s64>) = COPY $q1 |
| %2:_(<2 x s64>) = G_SHUFFLE_VECTOR %0(<2 x s64>), %1, shufflemask(1, 3) |
| $q0 = COPY %2(<2 x s64>) |
| RET_ReallyLR implicit $q0 |
| |
| ... |
| --- |
| name: zip2_v4s32 |
| alignment: 4 |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.1.entry: |
| liveins: $q0, $q1 |
| |
| ; CHECK-LABEL: name: zip2_v4s32 |
| ; CHECK: liveins: $q0, $q1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $q1 |
| ; CHECK: [[ZIP2_:%[0-9]+]]:_(<4 x s32>) = G_ZIP2 [[COPY]], [[COPY1]] |
| ; CHECK: $q0 = COPY [[ZIP2_]](<4 x s32>) |
| ; CHECK: RET_ReallyLR implicit $q0 |
| %0:_(<4 x s32>) = COPY $q0 |
| %1:_(<4 x s32>) = COPY $q1 |
| %2:_(<4 x s32>) = G_SHUFFLE_VECTOR %0(<4 x s32>), %1, shufflemask(2, 6, 3, 7) |
| $q0 = COPY %2(<4 x s32>) |
| RET_ReallyLR implicit $q0 |
| |
| ... |
| --- |
| name: zip2_no_combine_idx_mismatch |
| alignment: 4 |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.1.entry: |
| liveins: $q0, $q1 |
| |
| ; This will fail because it expects 3 to be the second element of the |
| ; shuffle vector mask. |
| ; |
| ; CHECK-LABEL: name: zip2_no_combine_idx_mismatch |
| ; CHECK: liveins: $q0, $q1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1 |
| ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8 |
| ; CHECK: [[EXT:%[0-9]+]]:_(<2 x s64>) = G_EXT [[COPY]], [[COPY1]], [[C]](s32) |
| ; CHECK: $q0 = COPY [[EXT]](<2 x s64>) |
| ; CHECK: RET_ReallyLR implicit $q0 |
| %0:_(<2 x s64>) = COPY $q0 |
| %1:_(<2 x s64>) = COPY $q1 |
| %2:_(<2 x s64>) = G_SHUFFLE_VECTOR %0(<2 x s64>), %1, shufflemask(1, 2) |
| $q0 = COPY %2(<2 x s64>) |
| RET_ReallyLR implicit $q0 |
| |
| ... |
| --- |
| name: zip1_no_combine_idx_mismatch |
| alignment: 4 |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.1.entry: |
| liveins: $q0, $q1 |
| |
| ; This will fail because it expects 2 to be the second element of the |
| ; shuffle vector mask. |
| ; |
| ; CHECK-LABEL: name: zip1_no_combine_idx_mismatch |
| ; CHECK: liveins: $q0, $q1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1 |
| ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 |
| ; CHECK: [[EXT:%[0-9]+]]:_(<2 x s64>) = G_EXT [[COPY]], [[COPY1]], [[C]](s32) |
| ; CHECK: $q0 = COPY [[EXT]](<2 x s64>) |
| ; CHECK: RET_ReallyLR implicit $q0 |
| %0:_(<2 x s64>) = COPY $q0 |
| %1:_(<2 x s64>) = COPY $q1 |
| %2:_(<2 x s64>) = G_SHUFFLE_VECTOR %0(<2 x s64>), %1, shufflemask(0, 1) |
| $q0 = COPY %2(<2 x s64>) |
| RET_ReallyLR implicit $q0 |
| |
| ... |
| --- |
| name: no_combine_first_elt_of_mask_must_be_zero_or_one |
| alignment: 4 |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.1.entry: |
| liveins: $q0, $q1 |
| |
| ; zip1/zip2 must have 0 or 1 as the first element in the shuffle mask. |
| ; |
| ; CHECK-LABEL: name: no_combine_first_elt_of_mask_must_be_zero_or_one |
| ; CHECK: liveins: $q0, $q1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $q1 |
| ; CHECK: [[SHUF:%[0-9]+]]:_(<4 x s32>) = G_SHUFFLE_VECTOR [[COPY]](<4 x s32>), [[COPY1]], shufflemask(3, 4, 1, 5) |
| ; CHECK: $q0 = COPY [[SHUF]](<4 x s32>) |
| ; CHECK: RET_ReallyLR implicit $q0 |
| %0:_(<4 x s32>) = COPY $q0 |
| %1:_(<4 x s32>) = COPY $q1 |
| %2:_(<4 x s32>) = G_SHUFFLE_VECTOR %0(<4 x s32>), %1, shufflemask(3, 4, 1, 5) |
| $q0 = COPY %2(<4 x s32>) |
| RET_ReallyLR implicit $q0 |