--- a/lib/Target/ARM/ARMMacroFusion.h	Sun Dec 23 19:23:36 2018 +0900
+++ b/lib/Target/ARM/ARMMacroFusion.h	Wed Aug 14 19:46:37 2019 +0900
@@ -1,9 +1,8 @@
 //===- ARMMacroFusion.h - ARM Macro Fusion ------------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -12,6 +11,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+#ifndef LLVM_LIB_TARGET_ARM_ARMMACROFUSION_H
+#define LLVM_LIB_TARGET_ARM_ARMMACROFUSION_H
+
 #include "llvm/CodeGen/MachineScheduler.h"
 
 namespace llvm {
@@ -22,3 +24,5 @@
 std::unique_ptr<ScheduleDAGMutation> createARMMacroFusionDAGMutation();
 
 } // llvm
+
+#endif