Added copyright header to all C++ source files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9291 91177308-0d34-0410-b5e6-96231b3b80d8

tools/llc/llc.cpp

@@ -1,4 +1,12 @@
 //===-- llc.cpp - Implement the LLVM Native Code Generator ----------------===//
+// 
+//                     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 is the llc code generator.
 //