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| author | Diana Picus <Diana-Magda.Picus@amd.com> | 2023-01-04 14:15:31 +0100 |
|---|---|---|
| committer | Diana Picus <Diana-Magda.Picus@amd.com> | 2023-01-05 09:59:27 +0100 |
| commit | 61c5775b36ebedca0deb0fe59c46ecc7cfcbf209 (patch) | |
| tree | ea55acb9eee4a5d2371bdeb10d6934e6b08196f0 | |
| parent | 2c3f82b7759691f3b67f7e5940e95ac3434b1a9c (diff) | |
| download | llvm-61c5775b36ebedca0deb0fe59c46ecc7cfcbf209.zip llvm-61c5775b36ebedca0deb0fe59c46ecc7cfcbf209.tar.gz llvm-61c5775b36ebedca0deb0fe59c46ecc7cfcbf209.tar.bz2 | |
[GlobalISel] Precommit a test for D140965
Add a test for CSE-ing G_BUILD_VECTOR. This will be enabled in D140965.
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-build-vector-splat.mir | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-build-vector-splat.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-build-vector-splat.mir new file mode 100644 index 0000000..4f96b06 --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-build-vector-splat.mir @@ -0,0 +1,27 @@ +# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py +# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1100 -run-pass=legalizer %s -o - | FileCheck %s + +# Make sure we CSE when building a vector splat. +# See https://reviews.llvm.org/D140965 +--- +name: build_vector_v8s16_splat +body: | + bb.0: + liveins: $vgpr0, $vgpr1 + ; CHECK-LABEL: name: build_vector_v8s16_splat + ; CHECK: liveins: $vgpr0, $vgpr1 + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 16256 + ; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[C]](s16), [[C]](s16) + ; CHECK-NEXT: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[C]](s16), [[C]](s16) + ; CHECK-NEXT: [[BUILD_VECTOR2:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[C]](s16), [[C]](s16) + ; CHECK-NEXT: [[BUILD_VECTOR3:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[C]](s16), [[C]](s16) + ; CHECK-NEXT: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR]](<2 x s16>), [[BUILD_VECTOR1]](<2 x s16>), [[BUILD_VECTOR2]](<2 x s16>), [[BUILD_VECTOR3]](<2 x s16>) + ; CHECK-NEXT: S_NOP 0, implicit [[CONCAT_VECTORS]](<8 x s16>) + %1:_(s32) = COPY $vgpr0 + %2:_(s32) = COPY $vgpr1 + %0:_(p1) = G_MERGE_VALUES %1(s32), %2(s32) + %4:_(s16) = G_CONSTANT i16 16256 + %3:_(<8 x s16>) = G_BUILD_VECTOR %4(s16), %4(s16), %4(s16), %4(s16), %4(s16), %4(s16), %4(s16), %4(s16) + S_NOP 0, implicit %3 +... |