--- a/examples/BrainF/BrainF.h	Sun Dec 23 19:23:36 2018 +0900
+++ b/examples/BrainF/BrainF.h	Wed Aug 14 19:46:37 2019 +0900
@@ -1,9 +1,8 @@
 //===-- BrainF.h - BrainF compiler class ------------------------*- 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
 //
 //===----------------------------------------------------------------------===//
 //
@@ -80,8 +79,8 @@
     std::istream *in;
     Module *module;
     Function *brainf_func;
-    Function *getchar_func;
-    Function *putchar_func;
+    FunctionCallee getchar_func;
+    FunctionCallee putchar_func;
     Value *ptr_arr;
     Value *ptr_arrmax;
     BasicBlock *endbb;