diff --git a/lib/VMCore/Instruction.cpp b/lib/VMCore/Instruction.cpp
index 3330847..1fe7a2c 100644
--- a/lib/VMCore/Instruction.cpp
+++ b/lib/VMCore/Instruction.cpp
@@ -141,6 +141,8 @@
   case InsertElement:  return "insertelement";
   case ShuffleVector:  return "shufflevector";
   case GetResult:      return "getresult";
+  case ExtractValue:   return "extractvalue";
+  case InsertValue:    return "insertvalue";
 
   default: return "<Invalid operator> ";
   }