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      1 // icf_preemptible_functions_test.cc -- a test case for gold
      2 
      3 // Copyright (C) 2010-2014 Free Software Foundation, Inc.
      4 // Written by Sriraman Tallam <tmsriram (at) google.com>.
      5 
      6 // This file is part of gold.
      7 
      8 // This program is free software; you can redistribute it and/or modify
      9 // it under the terms of the GNU General Public License as published by
     10 // the Free Software Foundation; either version 3 of the License, or
     11 // (at your option) any later version.
     12 
     13 // This program is distributed in the hope that it will be useful,
     14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
     15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16 // GNU General Public License for more details.
     17 
     18 // You should have received a copy of the GNU General Public License
     19 // along with this program; if not, write to the Free Software
     20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
     21 // MA 02110-1301, USA.
     22 
     23 // The goal of this program is to verify that preemptible functions are
     24 // correctly handled by ICF.  In this program, foo and bar should not
     25 // be folded although they are identical as zap or zip could be preempted.
     26 
     27 int zap()
     28 {
     29   return 0;
     30 }
     31 
     32 int zip()
     33 {
     34   return 0;
     35 }
     36 
     37 int foo()
     38 {
     39   zap();
     40   return 0;
     41 }
     42 
     43 int bar()
     44 {
     45   zip();
     46   return 0;
     47 }
     48