diff --git a/llvm/include/llvm/Target/TargetLowering.h b/llvm/include/llvm/Target/TargetLowering.h
index 139580a7dfc1..97b12b4d40ce 100644
--- a/llvm/include/llvm/Target/TargetLowering.h
+++ b/llvm/include/llvm/Target/TargetLowering.h
@@ -872,6 +872,7 @@ public:
     int64_t      BaseOffs;
     bool         HasBaseReg;
     int64_t      Scale;
+    AddrMode() : BaseGV(0), BaseOffs(0), HasBaseReg(false), Scale(0) {}
   };
   
   /// isLegalAddressingMode - Return true if the addressing mode represented by