binutils-gdb/gold/testsuite/icf_preemptible_functions_test.cc

// icf_preemptible_functions_test.cc -- a test case for gold

// Copyright (C) 2010-2019 Free Software Foundation, Inc.
// Written by Sriraman Tallam <tmsriram@google.com>.

// This file is part of gold.

// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.

// This program 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 General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
// MA 02110-1301, USA.

// The goal of this program is to verify that preemptible functions are
// correctly handled by ICF.  In this program, foo and bar should not
// be folded although they are identical as zap or zip could be preempted.

int zap()
{
  return 0;
}

int zip()
{
  return 0;
}

int foo()
{
  zap();
  return 0;
}

int bar()
{
  zip();
  return 0;
}