gdb/testsuite/gdb.opt/inline-locals.c

   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
  25 int x, y;
  26 volatile int z = 0;
  27 volatile int result;
  28 volatile int *array_p;
  29
  30 void bar(void);
  31
  32 inline ATTR int func1(int arg1)
  33 {
  34   int array[64];
  35   array_p = array;
  36   array[0] = result;
  37   array[1] = arg1;
  38   bar ();
  39   return x * y + array_p[0] * arg1;
  40 }
  41
  42 inline ATTR int func2(int arg2)
  43 {
  44   return x * func1 (arg2);
  45 }
  46
  47 int main (void)
  48 {
  49   int val;
  50
  51   x = 7;
  52   y = 8;
  53   bar ();
  54
  55   val = func1 (result);
  56   result = val;
  57
  58   val = func2 (result);
  59   result = val;
  60
  61   return 0;
  62 }