Merge tree-ssa-20020619-branch into mainline.
[gcc.git] / gcc / cfglayout.h
1 /* Basic block reordering routines for the GNU compiler.
2 Copyright (C) 2000, 2003 Free Software Foundation, Inc.
3
4 This file is part of GCC.
5
6 GCC is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 GCC is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
14 License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING. If not, write to the Free
18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
19 02111-1307, USA. */
20
21 extern rtx cfg_layout_function_footer;
22
23 extern void cfg_layout_initialize (void);
24 extern void cfg_layout_finalize (void);
25 extern void insn_locators_initialize (void);
26 extern void reemit_insn_block_notes (void);
27 extern bool can_copy_bbs_p (basic_block *, unsigned);
28 extern void copy_bbs (basic_block *, unsigned, basic_block *,
29 edge *, unsigned, edge *, struct loop *);
30 extern bool scan_ahead_for_unlikely_executed_note (rtx);