From 0bee630814d0031fa17997c3c21c8499ac42db60 Mon Sep 17 00:00:00 2001 From: Stanislav Mekhanoshin Date: Tue, 17 Apr 2018 21:40:04 +0000 Subject: LoadStoreVectorizer crashes due to unsized type When we skip bitcasts while looking for GEP in LoadSoreVectorizer we should also verify that the type is sized otherwise we assert Differential Revision: https://reviews.llvm.org/D45709 llvm-svn: 330221 --- llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp') diff --git a/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp b/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp index 984d972a6fd..2e4707f916d 100644 --- a/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp +++ b/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp @@ -284,8 +284,10 @@ GetElementPtrInst *Vectorizer::getSourceGEP(Value *Src) const { // in pointee type size here. Currently it will not be vectorized. Value *SrcPtr = getLoadStorePointerOperand(Src); Value *SrcBase = SrcPtr->stripPointerCasts(); - if (DL.getTypeStoreSize(SrcPtr->getType()->getPointerElementType()) == - DL.getTypeStoreSize(SrcBase->getType()->getPointerElementType())) + Type *SrcPtrType = SrcPtr->getType()->getPointerElementType(); + Type *SrcBaseType = SrcBase->getType()->getPointerElementType(); + if (SrcPtrType->isSized() && SrcBaseType->isSized() && + DL.getTypeStoreSize(SrcPtrType) == DL.getTypeStoreSize(SrcBaseType)) SrcPtr = SrcBase; return dyn_cast(SrcPtr); } -- cgit v1.2.3