2011-08-19 Andrew Stubbs <ams@codesourcery.com>
[official-gcc.git] / gcc / cfglayout.h
blobdeb985646a332f19ed2e2a5f046534e984a53492
1 /* Basic block reordering routines for the GNU compiler.
2 Copyright (C) 2000, 2003, 2004, 2007, 2011 Free Software Foundation, Inc.
4 This file is part of GCC.
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 3, or (at your option)
9 any later version.
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.
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_CFGLAYOUT_H
21 #define GCC_CFGLAYOUT_H
23 #include "basic-block.h"
25 extern GTY(()) rtx cfg_layout_function_footer;
26 extern GTY(()) rtx cfg_layout_function_header;
28 extern void cfg_layout_initialize (unsigned int);
29 extern void cfg_layout_finalize (void);
30 extern tree insn_scope (const_rtx);
31 extern void reemit_insn_block_notes (void);
32 extern bool can_copy_bbs_p (basic_block *, unsigned);
33 extern void copy_bbs (basic_block *, unsigned, basic_block *,
34 edge *, unsigned, edge *, struct loop *,
35 basic_block);
36 extern rtx duplicate_insn_chain (rtx, rtx);
38 #endif /* GCC_CFGLAYOUT_H */