diff --git a/include/llvm/InstrTypes.h b/include/llvm/InstrTypes.h
index fa0ce87c9ca..1f771e63501 100644
--- a/include/llvm/InstrTypes.h
+++ b/include/llvm/InstrTypes.h
@@ -108,6 +108,11 @@ public:
   }
 
   virtual const char *getOpcodeName() const = 0;
+
+  // swapOperands - Exchange the two operands to this instruction
+  void swapOperands() {
+    swap(Operands[0], Operands[1]);
+  }
 };
 
 #endif