LoadStoreVectorizer: Skip optnone functions

llvm-svn: 274296

2 files changed, 13 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp b/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
index 2908caa9c6a..880be650ef3 100644
--- a/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
@@ -159,7 +159,7 @@ bool LoadStoreVectorizer::runOnFunction(Function &F) {
   ScalarEvolution &SE = getAnalysis<ScalarEvolutionWrapperPass>().getSE();
 
   // Don't vectorize when the attribute NoImplicitFloat is used.
-  if (F.hasFnAttribute(Attribute::NoImplicitFloat))
+  if (F.hasFnAttribute(Attribute::NoImplicitFloat) || skipFunction(F))
     return false;
 
   Vectorizer V(F, AA, DT, SE, VecRegSize);
diff --git a/llvm/test/Transforms/LoadStoreVectorizer/AMDGPU/optnone.ll b/llvm/test/Transforms/LoadStoreVectorizer/AMDGPU/optnone.ll
new file mode 100644
index 00000000000..42166f9986b
--- /dev/null
+++ b/llvm/test/Transforms/LoadStoreVectorizer/AMDGPU/optnone.ll
@@ -0,0 +1,12 @@
+; RUN: opt -mtriple=amdgcn-amd-amdhsa -load-store-vectorizer -S -o - %s | FileCheck %s
+
+; CHECK-LABEL: @optnone(
+; CHECK: store i32
+; CHECK: store i32
+define void @optnone(i32 addrspace(1)* %out) noinline optnone {
+  %out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
+
+  store i32 123, i32 addrspace(1)* %out.gep.1
+  store i32 456, i32 addrspace(1)* %out
+  ret void
+}