1/* Support for virtual clones in symbol table.
2 Copyright (C) 2003-2023 Free Software Foundation, Inc.
3 Contributed by Jan Hubicka
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 3, or (at your option) any later
10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
20
21#include "config.h"
22#include "system.h"
23#include "coretypes.h"
24#include "backend.h"
25#include "tree.h"
26#include "gimple.h"
27#include "predict.h"
28#include "target.h"
29#include "rtl.h"
30#include "alloc-pool.h"
31#include "cgraph.h"
32#include "symbol-summary.h"
33#include "symtab-clones.h"
34#include "lto-streamer.h"
35#include "data-streamer.h"
36
37namespace {
38
39/* Function summary for clone_infos. */
40class GTY((user)) clone_infos_t: public function_summary <clone_info *>
41{
42public:
43 clone_infos_t (symbol_table *table, bool ggc):
44 function_summary<clone_info *> (table, ggc) { }
45};
46
47} /* anon namespace */
48
49/* Return thunk_info possibly creating new one. */
50clone_info *
51clone_info::get_create (cgraph_node *node)
52{
53 if (!symtab->m_clones)
54 {
55 symtab->m_clones
56 = new (ggc_alloc_no_dtor <function_summary <clone_info *>> ())
57 function_summary <clone_info *> (symtab, true);
58 symtab->m_clones->disable_insertion_hook ();
59 symtab->m_clones->disable_duplication_hook ();
60 }
61 return symtab->m_clones->get_create (node);
62}
63

source code of gcc/symtab-clones.cc