Use N0 instead of N->getOperand(0) in DagCombiner::visitAdd. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293903 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 315214385bb35313f5fc290f517cbd1543d41102..a0488e1b1ccd5f8551749973f3f30f6ecb012508 100644 (file)
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -1875,7 +1875,7 @@ SDValue DAGCombiner::visitADD(SDNode *N) {
     // and similar xforms where the inner op is either ~0 or 0.
     if (NumSignBits == DestBits &&
         isOneConstantOrOneSplatConstant(N1->getOperand(1)))
-      return DAG.getNode(ISD::SUB, DL, VT, N->getOperand(0), AndOp0);
+      return DAG.getNode(ISD::SUB, DL, VT, N0, AndOp0);
   }
 
   // add (sext i1), X -> sub X, (zext i1)