--- a/include/llvm/Support/Options.h	Sun Dec 23 19:23:36 2018 +0900
+++ b/include/llvm/Support/Options.h	Wed Aug 14 19:46:37 2019 +0900
@@ -1,9 +1,8 @@
 //===- llvm/Support/Options.h - Debug options support -----------*- C++ -*-===//
 //
-//                     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
 //
 //===----------------------------------------------------------------------===//
 /// \file
@@ -56,7 +55,7 @@
 
 } // namespace detail
 
-/// \brief Singleton class used to register debug options.
+/// Singleton class used to register debug options.
 ///
 /// The OptionRegistry is responsible for managing lifetimes of the options and
 /// provides interfaces for option registration and reading values from options.
@@ -66,7 +65,7 @@
 private:
   DenseMap<void *, cl::Option *> Options;
 
-  /// \brief Adds a cl::Option to the registry.
+  /// Adds a cl::Option to the registry.
   ///
   /// \param Key unique key for option
   /// \param O option to map to \p Key
@@ -79,10 +78,10 @@
   ~OptionRegistry();
   OptionRegistry() {}
 
-  /// \brief Returns a reference to the singleton instance.
+  /// Returns a reference to the singleton instance.
   static OptionRegistry &instance();
 
-  /// \brief Registers an option with the OptionRegistry singleton.
+  /// Registers an option with the OptionRegistry singleton.
   ///
   /// \tparam ValT type of the option's data
   /// \tparam Base class used to key the option
@@ -100,7 +99,7 @@
     instance().addOption(&detail::OptionKey<ValT, Base, Mem>::ID, Option);
   }
 
-  /// \brief Returns the value of the option.
+  /// Returns the value of the option.
   ///
   /// \tparam ValT type of the option's data
   /// \tparam Base class used to key the option