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1 | # Copyright (C) 2009-2020 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 GCC; see the file COPYING3. If not see | |
15 | # <http://www.gnu.org/licenses/>. | |
16 | # | |
17 | # Contributed by Diego Novillo <dnovillo@google.com> | |
18 | ||
19 | ||
20 | # Test link-time optimization across multiple files. | |
21 | # | |
22 | # Programs are broken into multiple files. Each one is compiled | |
23 | # separately with LTO information. The final executable is generated | |
24 | # by collecting all the generated object files using regular LTO or WHOPR. | |
25 | ||
26 | if $tracelevel then { | |
27 | strace $tracelevel | |
28 | } | |
29 | ||
30 | # Load procedures from common libraries. | |
31 | load_lib standard.exp | |
32 | load_lib gcc.exp | |
33 | ||
34 | # Load the language-independent compabibility support procedures. | |
35 | load_lib lto.exp | |
36 | ||
37 | # If LTO has not been enabled, bail. | |
38 | if { ![check_effective_target_lto] } { | |
39 | return | |
40 | } | |
41 | ||
42 | gcc_init | |
43 | lto_init no-mathlib | |
44 | ||
45 | # Define an identifier for use with this suite to avoid name conflicts | |
46 | # with other lto tests running at the same time. | |
47 | set sid "c_lto" | |
48 | ||
49 | # Main loop. | |
50 | foreach src [lsort [find $srcdir/$subdir *_0.c]] { | |
51 | # If we're only testing specific files and this isn't one of them, skip it. | |
52 | if ![runtest_file_p $runtests $src] then { | |
53 | continue | |
54 | } | |
55 | ||
56 | lto-execute $src $sid | |
57 | } | |
58 | ||
59 | lto_finish |