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       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                 :      395411 : clone_info::get_create (cgraph_node *node)
      52                 :             : {
      53                 :      395411 :   if (!symtab->m_clones)
      54                 :             :     {
      55                 :       36942 :       symtab->m_clones
      56                 :       18471 :          = new (ggc_alloc_no_dtor <function_summary <clone_info *>> ())
      57                 :       18471 :              function_summary <clone_info *> (symtab, true);
      58                 :       18471 :       symtab->m_clones->disable_insertion_hook ();
      59                 :       18471 :       symtab->m_clones->disable_duplication_hook ();
      60                 :             :     }
      61                 :      395411 :   return symtab->m_clones->get_create (node);
      62                 :             : }