diff --git a/llvm/include/llvm/Assembly/Writer.h b/llvm/include/llvm/Assembly/Writer.h
index 68a5ed28122b..6c7addd283f8 100644
--- a/llvm/include/llvm/Assembly/Writer.h
+++ b/llvm/include/llvm/Assembly/Writer.h
@@ -88,4 +88,8 @@ inline ostream &operator<<(ostream &o, const Value *I) {
   return o;
 }
 
+inline void DebugValue(const Value *V) {
+  cerr << V << endl;
+}
+
 #endif