1/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
2
3   This program is free software; you can redistribute it and/or modify
4   it under the terms of the GNU General Public License as published by
5   the Free Software Foundation; either version 3 of the License, or
6   (at your option) any later version.
7
8   This program is distributed in the hope that it will be useful,
9   but WITHOUT ANY WARRANTY; without even the implied warranty of
10   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11   GNU General Public License for more details.
12
13   You should have received a copy of the GNU General Public License
14   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
15
16/* This is only ever run if it is compiled with a new-enough GCC, but
17   we don't want the compilation to fail if compiled by some other
18   compiler.  */
19#ifdef __GNUC__
20#define ATTR __attribute__((always_inline))
21#else
22#define ATTR
23#endif
24
25int x, y;
26volatile int z = 0;
27volatile int result;
28
29void bar(void);
30
31inline ATTR int func1(void)
32{
33  bar ();
34  return x * y;
35}
36
37inline ATTR int func2(void)
38{
39  return x * func1 ();
40}
41
42int main (void)
43{
44  int val;
45
46  x = 7;
47  y = 8;
48  bar ();
49
50  val = func1 ();
51  result = val;
52
53  val = func2 ();
54  result = val;
55
56  return 0;
57}
58