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generalize
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34910 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -757,8 +757,10 @@ SDOperand DAGCombiner::visitADDC(SDNode *N) {
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SDOperand(N, 1));
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// canonicalize constant to RHS.
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if (N0C && !N1C)
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return DAG.getNode(ISD::ADDC, VT, N1, N0);
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if (N0C && !N1C) {
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SDOperand Ops[] = { N1, N0 };
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return DAG.getNode(ISD::ADDC, N->getVTList(), Ops, 2);
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}
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// fold (add x, 0) -> x + no carry out
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//if (N1C && N1C->isNullValue())
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@ -772,11 +774,13 @@ SDOperand DAGCombiner::visitADDE(SDNode *N) {
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SDOperand N1 = N->getOperand(1);
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ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
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ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1);
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MVT::ValueType VT = N0.getValueType();
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//MVT::ValueType VT = N0.getValueType();
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// canonicalize constant to RHS
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if (N0C && !N1C)
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return DAG.getNode(ISD::ADDE, VT, N1, N0, N->getOperand(2));
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if (N0C && !N1C) {
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SDOperand Ops[] = { N1, N0, N->getOperand(2) };
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return DAG.getNode(ISD::ADDE, N->getVTList(), Ops, 3);
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}
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// fold (add x, 0) -> x
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//if (N1C && N1C->isNullValue())
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