Added LLVM copyright header.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9305 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/TableGenBackend.cpp b/utils/TableGen/TableGenBackend.cpp
index b86ae72..161b2ee 100644
--- a/utils/TableGen/TableGenBackend.cpp
+++ b/utils/TableGen/TableGenBackend.cpp
@@ -1,4 +1,11 @@
 //===- TableGenBackend.cpp - Base class for TableGen Backends ---*- C++ -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
 //
 // This file provides useful services for TableGen backends...
 //