diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineCompares.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineCompares.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp index 4d5ffddc4c..e3e5ddae80 100644 --- a/lib/Transforms/InstCombine/InstCombineCompares.cpp +++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp @@ -365,11 +365,12 @@ FoldCmpLoadFromIndexedGlobal(GetElementPtrInst *GEP, GlobalVariable *GV, // order the state machines in complexity of the generated code. Value *Idx = GEP->getOperand(2); + unsigned AS = GEP->getPointerAddressSpace(); // If the index is larger than the pointer size of the target, truncate the // index down like the GEP would do implicitly. We don't have to do this for // an inbounds GEP because the index can't be out of range. if (!GEP->isInBounds() && - Idx->getType()->getPrimitiveSizeInBits() > TD->getPointerSizeInBits()) + Idx->getType()->getPrimitiveSizeInBits() > TD->getPointerSizeInBits(AS)) Idx = Builder->CreateTrunc(Idx, TD->getIntPtrType(Idx->getContext())); // If the comparison is only true for one or two elements, emit direct @@ -528,10 +529,11 @@ static Value *EvaluateGEPOffsetExpression(User *GEP, InstCombiner &IC) { } } + unsigned AS = cast<GetElementPtrInst>(GEP)->getPointerAddressSpace(); // Okay, we know we have a single variable index, which must be a // pointer/array/vector index. If there is no offset, life is simple, return // the index. - unsigned IntPtrWidth = TD.getPointerSizeInBits(); + unsigned IntPtrWidth = TD.getPointerSizeInBits(AS); if (Offset == 0) { // Cast to intptrty in case a truncation occurs. If an extension is needed, // we don't need to bother extending: the extension won't affect where the @@ -1552,7 +1554,8 @@ Instruction *InstCombiner::visitICmpInstWithCastAndCast(ICmpInst &ICI) { // Turn icmp (ptrtoint x), (ptrtoint/c) into a compare of the input if the // integer type is the same size as the pointer type. if (TD && LHSCI->getOpcode() == Instruction::PtrToInt && - TD->getPointerSizeInBits() == + TD->getPointerSizeInBits( + cast<PtrToIntInst>(LHSCI)->getPointerAddressSpace()) == cast<IntegerType>(DestTy)->getBitWidth()) { Value *RHSOp = 0; if (Constant *RHSC = dyn_cast<Constant>(ICI.getOperand(1))) { |