[DAGCombine] Use SelectionDAG::getAnyExtOrTrunc helper. NFCI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@302907 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 3ef34bfc61e8f858c6d38ebdc69e5585f6bd94cb..5f6c6fd4508393d0ac44ca0c51ff73f0c16d7c1c 100644 (file)
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -7409,14 +7409,8 @@ SDValue DAGCombiner::visitZERO_EXTEND(SDNode *N) {
     }
 
     if (!LegalOperations || TLI.isOperationLegal(ISD::AND, VT)) {
-      SDValue Op = N0.getOperand(0);
-      if (SrcVT.bitsLT(VT)) {
-        Op = DAG.getNode(ISD::ANY_EXTEND, SDLoc(N), VT, Op);
-        AddToWorklist(Op.getNode());
-      } else if (SrcVT.bitsGT(VT)) {
-        Op = DAG.getNode(ISD::TRUNCATE, SDLoc(N), VT, Op);
-        AddToWorklist(Op.getNode());
-      }
+      SDValue Op = DAG.getAnyExtOrTrunc(N0.getOperand(0), SDLoc(N), VT);
+      AddToWorklist(Op.getNode());
       return DAG.getZeroExtendInReg(Op, SDLoc(N), MinVT.getScalarType());
     }
   }