[CodeGen] Prefer "if (SDValue R = ...)" to "if (R.getNode())". NFCI.

llvm-svn: 260316
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
index f61f631e..c6ebdb5 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
@@ -358,8 +358,7 @@
   case TargetLowering::Legal:
     break;
   case TargetLowering::Custom: {
-    SDValue Tmp1 = TLI.LowerOperation(Op, DAG);
-    if (Tmp1.getNode()) {
+    if (SDValue Tmp1 = TLI.LowerOperation(Op, DAG)) {
       Result = Tmp1;
       break;
     }