1 | /* Support for virtual clones in symbol table. |
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2 | Copyright (C) 2003-2023 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 | clone_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 |