remove workaround for GCC 4.1-4.3 [PR105606]
[official-gcc.git] / gcc / tree-cfgcleanup.h
blobb7c7ff1ebcd1b2b7d40a096252db7375bc0cab19
1 /* Header file for CFG cleanup for trees.
2 Copyright (C) 2013-2023 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
9 version.
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 for more details.
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
20 #ifndef GCC_TREE_CFGCLEANUP_H
21 #define GCC_TREE_CFGCLEANUP_H
23 /* In tree-cfgcleanup.cc */
24 extern bitmap cfgcleanup_altered_bbs;
25 extern bool cleanup_tree_cfg (unsigned = 0);
26 extern bool fixup_noreturn_call (gimple *stmt);
27 extern bool delete_unreachable_blocks_update_callgraph (cgraph_node *dst_node,
28 bool update_clones);
29 extern unsigned clean_up_loop_closed_phi (function *);
30 extern bool phi_alternatives_equal (basic_block, edge, edge);
32 #endif /* GCC_TREE_CFGCLEANUP_H */