diff options
Diffstat (limited to 'llvm/lib/Transforms/Vectorize/LoopVectorize.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Vectorize/LoopVectorize.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp index f02cf0a55bd..0a472dc7d89 100644 --- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -5265,7 +5265,13 @@ LoopVectorizationLegality::isInductionVariable(PHINode *Phi) { return IK_NoInduction; assert(PhiTy->isPointerTy() && "The PHI must be a pointer"); - uint64_t Size = DL->getTypeAllocSize(PhiTy->getPointerElementType()); + Type *PointerElementType = PhiTy->getPointerElementType(); + // The pointer stride cannot be determined if the pointer element type is not + // sized. + if (!PointerElementType->isSized()) + return IK_NoInduction; + + uint64_t Size = DL->getTypeAllocSize(PointerElementType); if (C->getValue()->equalsInt(Size)) return IK_PtrInduction; else if (C->getValue()->equalsInt(0 - Size)) |
