Branch data Line data Source code
1 : : /* Support for virtual clones in symbol table.
2 : : Copyright (C) 2003-2024 Free Software Foundation, Inc.
3 : : Contributed by Jan Hubicka
4 : :
5 : : This file is part of GCC.
6 : :
7 : : GCC is free software; you can redistribute it and/or modify it under
8 : : the terms of the GNU General Public License as published by the Free
9 : : Software Foundation; either version 3, or (at your option) any later
10 : : version.
11 : :
12 : : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 : : WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 : : FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 : : for more details.
16 : :
17 : : You should have received a copy of the GNU General Public License
18 : : along 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 : :
37 : : namespace {
38 : :
39 : : /* Function summary for clone_infos. */
40 : : class GTY((user)) clone_infos_t: public function_summary <clone_info *>
41 : : {
42 : : public:
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. */
50 : : clone_info *
51 : 389357 : clone_info::get_create (cgraph_node *node)
52 : : {
53 : 389357 : if (!symtab->m_clones)
54 : : {
55 : 36882 : symtab->m_clones
56 : 18441 : = new (ggc_alloc_no_dtor <function_summary <clone_info *>> ())
57 : 18441 : function_summary <clone_info *> (symtab, true);
58 : 18441 : symtab->m_clones->disable_insertion_hook ();
59 : 18441 : symtab->m_clones->disable_duplication_hook ();
60 : : }
61 : 389357 : return symtab->m_clones->get_create (node);
62 : : }
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