Added LLVM project notice to the top of every C++ source file.
Header files will be on the way.

llvm-svn: 9298
diff --git a/llvm/lib/Analysis/ValueNumbering.cpp b/llvm/lib/Analysis/ValueNumbering.cpp
index d28f0b7..075c1c2 100644
--- a/llvm/lib/Analysis/ValueNumbering.cpp
+++ b/llvm/lib/Analysis/ValueNumbering.cpp
@@ -1,4 +1,11 @@
 //===- ValueNumbering.cpp - Value #'ing Implementation ----------*- 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 implements the non-abstract Value Numbering methods as well as a
 // default implementation for the analysis group.