break;
case ISD::FRAMEADDR:
case ISD::RETURNADDR:
- case ISD::EXCEPTIONADDR:
- case ISD::EHSELECTION:
// The only option for these nodes is to custom lower them. If the target
// does not custom lower them, then return zero.
Tmp1 = TLI.LowerOperation(Op, DAG);
else
Result = DAG.getConstant(0, TLI.getPointerTy());
break;
+ case ISD::EHSELECTION:
+ LegalizeOp(Node->getOperand(1));
+ // Fall Thru
+ case ISD::EXCEPTIONADDR: {
+ Tmp1 = LegalizeOp(Node->getOperand(0));
+ MVT::ValueType VT = Node->getValueType(0);
+ switch (TLI.getOperationAction(Node->getOpcode(), VT)) {
+ default: assert(0 && "This action is not supported yet!");
+ case TargetLowering::Expand: {
+ unsigned Reg = Node->getOpcode() == ISD::EXCEPTIONADDR ?
+ TLI.getExceptionAddressRegister() :
+ TLI.getExceptionSelectorRegister();
+ Result = DAG.getCopyFromReg(Tmp1, Reg, VT).getValue(Op.ResNo);
+ }
+ break;
+ case TargetLowering::Custom:
+ Result = TLI.LowerOperation(Op, DAG);
+ if (Result.Val) break;
+ // Fall Thru
+ case TargetLowering::Legal:
+ Result = DAG.getNode(ISD::MERGE_VALUES, VT, DAG.getConstant(0, VT), Tmp1).
+ getValue(Op.ResNo);
+ break;
+ }
+ }
+ break;
case ISD::AssertSext:
case ISD::AssertZext:
Tmp1 = LegalizeOp(Node->getOperand(0));