1 /* Support for virtual clones in symbol table. 2 Copyright (C) 2003-2022 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: clone_infos_t(symbol_table * table,bool ggc)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 * get_create(cgraph_node * node)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