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/ExecutionEngine/Interpreter/Execution.cpp b/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp
index 69e746d..f3191c3 100644
--- a/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp
+++ b/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp
@@ -1,5 +1,12 @@
 //===-- Execution.cpp - Implement code to simulate the program ------------===//
 // 
+//                     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 contains the actual instruction interpreter.
 //
 //===----------------------------------------------------------------------===//