diff options
Diffstat (limited to 'lib/Target/TargetData.cpp')
| -rw-r--r-- | lib/Target/TargetData.cpp | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/Target/TargetData.cpp b/lib/Target/TargetData.cpp index 6786af3982..7c55f6730e 100644 --- a/lib/Target/TargetData.cpp +++ b/lib/Target/TargetData.cpp @@ -164,12 +164,10 @@ uint64_t TargetData::getIndexedOffset(const Type *ptrTy, // Get the array index and the size of each array element. // Both must be known constants, or this will fail. - // Also, the arrayIdx needs to be sign-extended from 32 bits to uint64_t - // since uint is not normally sign-extended when cast to uint64_t. + // Also, the product needs to be sign-extended from 32 to 64 bits. uint64_t elementSize = this->getTypeSize(Ty); uint64_t arrayIdx = cast<ConstantUInt>(Idx[CurIDX])->getValue(); - arrayIdx = (uint64_t) (int) arrayIdx; // sign-extend from 32 to 64 bits - Result += arrayIdx * elementSize; + Result += (uint64_t) (int) (arrayIdx * elementSize); // sign-extend } else if (const StructType *STy = dyn_cast<const StructType>(Ty)) { assert(Idx[CurIDX]->getType() == Type::UByteTy && "Illegal struct idx"); |