Added LLVM copyright header.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9321 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h
index 583f276..5581da4 100644
--- a/lib/Target/X86/X86TargetMachine.h
+++ b/lib/Target/X86/X86TargetMachine.h
@@ -1,5 +1,12 @@
 //===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- 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 declares the X86 specific subclass of TargetMachine.
 //
 //===----------------------------------------------------------------------===//