/* Test program for profiling information collection (_mcount/gprof).

   Copyright (C) 2017-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

/* This program does not use the test harness because we want tight

   control over the call graph.  */

__attribute__ ((noinline, noclone, weak)) void

f1 (void)

{

}

__attribute__ ((noinline, noclone, weak)) void

f2 (void)

{

  f1 ();

  /* Prevent tail call.  */

  asm volatile ("");

}

__attribute__ ((noinline, noclone, weak)) void

f3 (int count)

{

  for (int i = 0; i < count; ++i)

    {

      f1 ();

      f2 ();

    }

}

int

main (void)

{

  f3 (1000);

  return 0;

}