[VPlan] Fix sanitizer problem with insertBefore.

fhahn · fhahn · commit 6e8480a8e503 · 2018-06-18T13:51:28.000Z
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@334943 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Vectorize/VPlan.cpp b/lib/Transforms/Vectorize/VPlan.cpp
@@ -221,8 +221,8 @@ void VPRegionBlock::execute(VPTransformState *State) {
 }
 
 void VPRecipeBase::insertBefore(VPRecipeBase *InsertPos) {
-  InsertPos->getParent()->getRecipeList().insert(InsertPos->getIterator(),
-                                                 this);
+  Parent = InsertPos->getParent();
+  Parent->getRecipeList().insert(InsertPos->getIterator(), this);
 }
 
 void VPInstruction::generateInstruction(VPTransformState &State,

Original file line number	Diff line number	Diff line change
`@@ -221,8 +221,8 @@ void VPRegionBlock::execute(VPTransformState *State) {`
`221`	`221`	`}`
`222`	`222`
`223`	`223`	`void VPRecipeBase::insertBefore(VPRecipeBase *InsertPos) {`
`224`		`- InsertPos->getParent()->getRecipeList().insert(InsertPos->getIterator(),`
`225`		`- this);`
	`224`	`+ Parent = InsertPos->getParent();`
	`225`	`+ Parent->getRecipeList().insert(InsertPos->getIterator(), this);`
`226`	`226`	`}`
`227`	`227`
`228`	`228`	`void VPInstruction::generateInstruction(VPTransformState &State,`