diff --git a/lib/Transforms/Scalar/ScalarReplAggregates.cpp b/lib/Transforms/Scalar/ScalarReplAggregates.cpp index 95c36c93ed6..984f5c85d8b 100644 --- a/lib/Transforms/Scalar/ScalarReplAggregates.cpp +++ b/lib/Transforms/Scalar/ScalarReplAggregates.cpp @@ -337,16 +337,20 @@ void ConvertToScalarInfo::MergeInType(const Type *In, uint64_t Offset, unsigned EltSize = In->getPrimitiveSizeInBits()/8; if (IsLoadOrStore && EltSize == AllocaSize) return; + // If we're accessing something that could be an element of a vector, see // if the implied vector agrees with what we already have and if Offset is // compatible with it. - if (Offset % EltSize == 0 && AllocaSize % EltSize == 0 && - (VectorTy == 0 || - cast(VectorTy)->getElementType() - ->getPrimitiveSizeInBits()/8 == EltSize)) { - if (VectorTy == 0) + if (Offset % EltSize == 0 && AllocaSize % EltSize == 0) { + if (!VectorTy) { VectorTy = VectorType::get(In, AllocaSize/EltSize); - return; + return; + } + + unsigned CurrentEltSize = cast(VectorTy)->getElementType() + ->getPrimitiveSizeInBits()/8; + if (EltSize == CurrentEltSize) + return; } }