GlobalOpt: Avoid jump on uninitialized value.

Found by valgrind.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172318 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index de633547463e389958da10c714da96828626b240..efec788162bda7144aa9f7131367f0362d0c4416 100644 (file)
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -2828,7 +2828,7 @@ bool Evaluator::EvaluateBlock(BasicBlock::iterator CurInst,
           return false;
         }
 
-        Constant *RetVal;
+        Constant *RetVal = 0;
         // Execute the call, if successful, use the return value.
         ValueStack.push_back(new DenseMap<Value*, Constant*>);
         if (!EvaluateFunction(Callee, RetVal, Formals)) {