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don't do ReplaceUses on a result that doesn't exist.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46673 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-02-03 03:20:59 +00:00
parent a658baba78
commit a47b9bcbde
1 changed files with 4 additions and 2 deletions
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6
lib/Target/ARM/ARMISelDAGToDAG.cpp
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@ -732,8 +732,10 @@ SDNode *ARMDAGToDAGISel::Select(SDOperand Op) {
SDOperand Ops[] = { N1, Tmp2, N3, Chain, InFlag };
SDNode *ResNode = CurDAG->getTargetNode(Opc, MVT::Other, MVT::Flag, Ops, 5);
Chain = SDOperand(ResNode, 0);
InFlag = SDOperand(ResNode, 1);
ReplaceUses(SDOperand(Op.Val, 1), InFlag);
if (Op.Val->getNumValues() == 2) {
InFlag = SDOperand(ResNode, 1);
ReplaceUses(SDOperand(Op.Val, 1), InFlag);
}
ReplaceUses(SDOperand(Op.Val, 0), SDOperand(Chain.Val, Chain.ResNo));
return NULL;
}