diff options
Diffstat (limited to 'llvm/test/Transforms/LoadStoreVectorizer/int_sideeffect.ll')
| -rw-r--r-- | llvm/test/Transforms/LoadStoreVectorizer/int_sideeffect.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoadStoreVectorizer/int_sideeffect.ll b/llvm/test/Transforms/LoadStoreVectorizer/int_sideeffect.ll new file mode 100644 index 00000000000..07487b57803 --- /dev/null +++ b/llvm/test/Transforms/LoadStoreVectorizer/int_sideeffect.ll @@ -0,0 +1,27 @@ +; RUN: opt -S < %s -load-store-vectorizer | FileCheck %s +; RUN: opt -S < %s -passes='function(load-store-vectorizer)' | FileCheck %s + +declare void @llvm.sideeffect() + +; load-store vectorization across a @llvm.sideeffect. + +; CHECK-LABEL: test +; CHECK: load <4 x float> +; CHECK: store <4 x float> +define void @test(float* %p) { + %p0 = getelementptr float, float* %p, i64 0 + %p1 = getelementptr float, float* %p, i64 1 + %p2 = getelementptr float, float* %p, i64 2 + %p3 = getelementptr float, float* %p, i64 3 + %l0 = load float, float* %p0, align 16 + %l1 = load float, float* %p1 + %l2 = load float, float* %p2 + call void @llvm.sideeffect() + %l3 = load float, float* %p3 + store float %l0, float* %p0, align 16 + call void @llvm.sideeffect() + store float %l1, float* %p1 + store float %l2, float* %p2 + store float %l3, float* %p3 + ret void +} |
