Ensure definate initialization


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4263 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/LevelRaise.cpp b/lib/Transforms/LevelRaise.cpp
index 6ea6005..84f5785 100644
--- a/lib/Transforms/LevelRaise.cpp
+++ b/lib/Transforms/LevelRaise.cpp
@@ -158,7 +158,7 @@
                                     Value *AddOp1, CastInst *AddOp2) {
   const CompositeType *CompTy;
   Value *OffsetVal = AddOp2->getOperand(0);
-  Value *SrcPtr;  // Of type pointer to struct...
+  Value *SrcPtr = 0;  // Of type pointer to struct...
 
   if ((CompTy = getPointedToComposite(AddOp1->getType()))) {
     SrcPtr = AddOp1;                      // Handle the first case...