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Add a missing case in visitADD.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60137 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1010,6 +1010,9 @@ SDValue DAGCombiner::visitADD(SDNode *N) {
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// fold (A+(B-A)) -> B
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if (N1.getOpcode() == ISD::SUB && N0 == N1.getOperand(1))
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return N1.getOperand(0);
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// fold ((B-A)+A) -> B
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if (N0.getOpcode() == ISD::SUB && N1 == N0.getOperand(1))
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return N0.getOperand(0);
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if (!VT.isVector() && SimplifyDemandedBits(SDValue(N, 0)))
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return SDValue(N, 0);
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