1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
// icf_safe_test.cc -- a test case for gold
// Copyright (C) 2009-2020 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 if identical code folding
// in safe mode correctly folds only ctors and dtors. kept_func_1 must
// not be folded into kept_func_2 other than for X86 (32 and 64 bit)
// which can use relocation types to determine if function pointers are
// taken. kept_func_3 should never be folded as its pointer is taken.
// The ctor and dtor of class A must be folded.
class A
{
public:
A()
{
}
~A()
{
}
};
A a;
int kept_func_1()
{
return 1;
}
int kept_func_2()
{
return 1;
}
int kept_func_3()
{
return 1;
}
int main()
{
int (*p)() = kept_func_3;
p();
return 0;
}
|
