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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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14
lib/IR/Constants.cpp
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@ -1126,6 +1126,7 @@ getWithOperands(ArrayRef<Constant*> Ops, Type *Ty) const {
case Instruction::PtrToInt:
case Instruction::IntToPtr:
case Instruction::BitCast:
case Instruction::AddrSpaceCast:
return ConstantExpr::getCast(getOpcode(), Ops[0], Ty);
case Instruction::Select:
return ConstantExpr::getSelect(Ops[0], Ops[1], Ops[2]);
@ -1461,6 +1462,7 @@ Constant *ConstantExpr::getCast(unsigned oc, Constant *C, Type *Ty) {
case Instruction::PtrToInt: return getPtrToInt(C, Ty);
case Instruction::IntToPtr: return getIntToPtr(C, Ty);
case Instruction::BitCast: return getBitCast(C, Ty);
case Instruction::AddrSpaceCast: return getAddrSpaceCast(C, Ty);
}
}
@ -1489,6 +1491,11 @@ Constant *ConstantExpr::getPointerCast(Constant *S, Type *Ty) {
if (Ty->isIntOrIntVectorTy())
return getPtrToInt(S, Ty);
unsigned SrcAS = S->getType()->getPointerAddressSpace();
if (Ty->isPtrOrPtrVectorTy() && SrcAS != Ty->getPointerAddressSpace())
return getAddrSpaceCast(S, Ty);
return getBitCast(S, Ty);
}
@ -1662,6 +1669,13 @@ Constant *ConstantExpr::getBitCast(Constant *C, Type *DstTy) {
return getFoldedCast(Instruction::BitCast, C, DstTy);
}
Constant *ConstantExpr::getAddrSpaceCast(Constant *C, Type *DstTy) {
assert(CastInst::castIsValid(Instruction::AddrSpaceCast, C, DstTy) &&
"Invalid constantexpr addrspacecast!");
return getFoldedCast(Instruction::AddrSpaceCast, C, DstTy);
}
Constant *ConstantExpr::get(unsigned Opcode, Constant *C1, Constant *C2,
unsigned Flags) {
// Check the operands for consistency first.