diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h
index dc66e55a1ff..163f4c5ae50 100644
--- a/include/llvm/Target/TargetLowering.h
+++ b/include/llvm/Target/TargetLowering.h
@@ -1424,7 +1424,7 @@ public:
   /// operations of type VT1 to VT2. e.g. on x86, it's profitable to narrow
   /// from i32 to i8 but not from i32 to i16.
   virtual bool isNarrowingProfitable(MVT VT1, MVT VT2) const {
-    return true;
+    return false;
   }
 
   //===--------------------------------------------------------------------===//