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Generate code for llvm.uadd.with.overflow intrinsic. No conversion support yet.

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llvm-svn: 59786
This commit is contained in:
Bill Wendling 2008-11-21 02:33:36 +00:00
parent be413b4a40
commit b2442fb4d2
1 changed files with 12 additions and 1 deletions
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13
lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
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@ -4109,7 +4109,18 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
return 0;
}
case Intrinsic::uadd_with_overflow: {
// TODO: Convert to "ISD::UADDO" instruction.
// Convert to "ISD::UADDO" instruction.
SDValue Op1 = getValue(I.getOperand(1));
SDValue Op2 = getValue(I.getOperand(2));
MVT Ty = Op1.getValueType();
MVT ValueVTs[] = { Ty, MVT::i1 };
SDValue Ops[] = { Op1, Op2 };
SDValue Result = DAG.getNode(ISD::UADDO, DAG.getVTList(&ValueVTs[0], 2),
&Ops[0], 2);
setValue(&I, Result);
return 0;
}