blob: 5c8bf7db55c6fc0e0d93ebcdf90b470c9deb864b [file] [log] [blame]
/* Support for virtual clones in symbol table.
Copyright (C) 2003-2021 Free Software Foundation, Inc.
Contributed by Jan Hubicka
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "backend.h"
#include "tree.h"
#include "gimple.h"
#include "predict.h"
#include "target.h"
#include "rtl.h"
#include "alloc-pool.h"
#include "cgraph.h"
#include "symbol-summary.h"
#include "symtab-clones.h"
#include "lto-streamer.h"
#include "data-streamer.h"
namespace {
/* Function summary for clone_infos. */
class GTY((user)) clone_infos_t: public function_summary <clone_info *>
{
public:
clone_infos_t (symbol_table *table, bool ggc):
function_summary<clone_info *> (table, ggc) { }
};
} /* anon namespace */
/* Return thunk_info possibly creating new one. */
clone_info *
clone_info::get_create (cgraph_node *node)
{
if (!symtab->m_clones)
{
symtab->m_clones
= new (ggc_alloc_no_dtor <function_summary <clone_info *>> ())
function_summary <clone_info *> (symtab, true);
symtab->m_clones->disable_insertion_hook ();
symtab->m_clones->disable_duplication_hook ();
}
return symtab->m_clones->get_create (node);
}