[llvm] r360037 - X86DAGToDAGISel::tryVPTESTM - fix uninitialized variable warning. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Mon May  6 04:52:16 2019
New Revision: 360037

URL: http://llvm.org/viewvc/llvm-project?rev=360037&view=rev
Log:
X86DAGToDAGISel::tryVPTESTM - fix uninitialized variable warning. NFCI.

findBroadcastedOp should always initialize the value if it returns true but static-analyzer isn't great at recognising this.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp?rev=360037&r1=360036&r2=360037&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp Mon May  6 04:52:16 2019
@@ -3730,7 +3730,7 @@ bool X86DAGToDAGISel::tryVPTESTM(SDNode
   bool FoldedBCast = false;
   if (!FoldedLoad && CanFoldLoads &&
       (CmpSVT == MVT::i32 || CmpSVT == MVT::i64)) {
-    SDNode *ParentNode;
+    SDNode *ParentNode = nullptr;
     if ((Load = findBroadcastedOp(Src1, CmpSVT, ParentNode))) {
       FoldedBCast = tryFoldLoad(Root, ParentNode, Load, Tmp0,
                                 Tmp1, Tmp2, Tmp3, Tmp4);