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Add addrspacecast instruction.

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Patch by Michele Scandale!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194760 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault
2013-11-15 01:34:59 +00:00
parent 2b7fef0ad4
commit 59d3ae6cdc
51 changed files with 589 additions and 230 deletions
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25
lib/IR/Verifier.cpp
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@ -283,6 +283,7 @@ namespace {
void visitIntToPtrInst(IntToPtrInst &I);
void visitPtrToIntInst(PtrToIntInst &I);
void visitBitCastInst(BitCastInst &I);
void visitAddrSpaceCastInst(AddrSpaceCastInst &I);
void visitPHINode(PHINode &PN);
void visitBinaryOperator(BinaryOperator &B);
void visitICmpInst(ICmpInst &IC);
@ -965,11 +966,9 @@ void Verifier::VerifyBitcastType(const Value *V, Type *DestTy, Type *SrcTy) {
unsigned SrcAS = SrcTy->getPointerAddressSpace();
unsigned DstAS = DestTy->getPointerAddressSpace();
unsigned SrcASSize = DL->getPointerSizeInBits(SrcAS);
unsigned DstASSize = DL->getPointerSizeInBits(DstAS);
Assert1(SrcASSize == DstASSize,
"Bitcasts between pointers of different address spaces must have "
"the same size pointers, otherwise use PtrToInt/IntToPtr.", V);
Assert1(SrcAS == DstAS,
"Bitcasts between pointers of different address spaces is not legal."
"Use AddrSpaceCast instead.", V);
}
void Verifier::VerifyConstantExprBitcastType(const ConstantExpr *CE) {
@ -1455,6 +1454,22 @@ void Verifier::visitBitCastInst(BitCastInst &I) {
visitInstruction(I);
}
void Verifier::visitAddrSpaceCastInst(AddrSpaceCastInst &I) {
Type *SrcTy = I.getOperand(0)->getType();
Type *DestTy = I.getType();
Assert1(SrcTy->isPtrOrPtrVectorTy(),
"AddrSpaceCast source must be a pointer", &I);
Assert1(DestTy->isPtrOrPtrVectorTy(),
"AddrSpaceCast result must be a pointer", &I);
Assert1(SrcTy->getPointerAddressSpace() != DestTy->getPointerAddressSpace(),
"AddrSpaceCast must be between different address spaces", &I);
if (SrcTy->isVectorTy())
Assert1(SrcTy->getVectorNumElements() == DestTy->getVectorNumElements(),
"AddrSpaceCast vector pointer number of elements mismatch", &I);
visitInstruction(I);
}
/// visitPHINode - Ensure that a PHI node is well formed.
///
void Verifier::visitPHINode(PHINode &PN) {