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Preserve the address space when generating bitcasts for MemTransferInst in ConvertToScalarInfo

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122462 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mon P Wang 2010-12-23 01:41:32 +00:00
parent 8e68c38735
commit e90a6333c3
1 changed files with 16 additions and 3 deletions
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17
lib/Transforms/Scalar/ScalarReplAggregates.cpp
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@ -498,7 +498,13 @@ void ConvertToScalarInfo::ConvertUsesToScalar(Value *Ptr, AllocaInst *NewAI,
// pointer (bitcasted), then a store to our new alloca. // pointer (bitcasted), then a store to our new alloca.
assert(MTI->getRawDest() == Ptr && "Neither use is of pointer?"); assert(MTI->getRawDest() == Ptr && "Neither use is of pointer?");
Value *SrcPtr = MTI->getSource(); Value *SrcPtr = MTI->getSource();
SrcPtr = Builder.CreateBitCast(SrcPtr, NewAI->getType()); const PointerType* SPTy = cast<PointerType>(SrcPtr->getType());
const PointerType* AIPTy = cast<PointerType>(NewAI->getType());
if (SPTy->getAddressSpace() != AIPTy->getAddressSpace()) {
AIPTy = PointerType::get(AIPTy->getElementType(),
SPTy->getAddressSpace());
}
SrcPtr = Builder.CreateBitCast(SrcPtr, AIPTy);
LoadInst *SrcVal = Builder.CreateLoad(SrcPtr, "srcval"); LoadInst *SrcVal = Builder.CreateLoad(SrcPtr, "srcval");
SrcVal->setAlignment(MTI->getAlignment()); SrcVal->setAlignment(MTI->getAlignment());
@ -509,7 +515,14 @@ void ConvertToScalarInfo::ConvertUsesToScalar(Value *Ptr, AllocaInst *NewAI,
assert(MTI->getRawSource() == Ptr && "Neither use is of pointer?"); assert(MTI->getRawSource() == Ptr && "Neither use is of pointer?");
LoadInst *SrcVal = Builder.CreateLoad(NewAI, "srcval"); LoadInst *SrcVal = Builder.CreateLoad(NewAI, "srcval");
Value *DstPtr = Builder.CreateBitCast(MTI->getDest(), NewAI->getType()); const PointerType* DPTy = cast<PointerType>(MTI->getDest()->getType());
const PointerType* AIPTy = cast<PointerType>(NewAI->getType());
if (DPTy->getAddressSpace() != AIPTy->getAddressSpace()) {
AIPTy = PointerType::get(AIPTy->getElementType(),
DPTy->getAddressSpace());
}
Value *DstPtr = Builder.CreateBitCast(MTI->getDest(), AIPTy);
StoreInst *NewStore = Builder.CreateStore(SrcVal, DstPtr); StoreInst *NewStore = Builder.CreateStore(SrcVal, DstPtr);
NewStore->setAlignment(MTI->getAlignment()); NewStore->setAlignment(MTI->getAlignment());
} else { } else {