1/* Basic block reordering routines for the GNU compiler.
2   Copyright (C) 2000, 2003, 2004 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, 51 Franklin Street, Fifth Floor, Boston, MA
19   02110-1301, USA.  */
20
21#ifndef GCC_CFGLAYOUT_H
22#define GCC_CFGLAYOUT_H
23
24#include "basic-block.h"
25
26extern rtx cfg_layout_function_footer;
27
28extern void cfg_layout_initialize (unsigned int);
29extern void cfg_layout_finalize (void);
30extern unsigned int insn_locators_initialize (void);
31extern void reemit_insn_block_notes (void);
32extern bool can_copy_bbs_p (basic_block *, unsigned);
33extern void copy_bbs (basic_block *, unsigned, basic_block *,
34		      edge *, unsigned, edge *, struct loop *,
35		      basic_block);
36extern rtx duplicate_insn_chain (rtx, rtx);
37
38#endif /* GCC_CFGLAYOUT_H */
39