diff --git a/lib/Transforms/InstCombine/InstructionCombining.cpp b/lib/Transforms/InstCombine/InstructionCombining.cpp
index 5f5cdbf..0c9e135 100644
--- a/lib/Transforms/InstCombine/InstructionCombining.cpp
+++ b/lib/Transforms/InstCombine/InstructionCombining.cpp
@@ -1095,7 +1095,7 @@
   
   // If LHS is a gep based on RHS or RHS is a gep based on LHS, we can optimize
   // this.
-  bool Swapped;
+  bool Swapped = false;
   GetElementPtrInst *GEP = 0;
   ConstantExpr *CstGEP = 0;