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/* Basic block reordering routines for the GNU compiler.

   Copyright (C) 2000, 2003, 2004, 2007 Free Software Foundation, Inc.

   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/>.  */

#ifndef GCC_CFGLAYOUT_H

#define GCC_CFGLAYOUT_H

#include "basic-block.h"

extern GTY(()) rtx cfg_layout_function_footer;

extern GTY(()) rtx cfg_layout_function_header;

extern void cfg_layout_initialize (unsigned int);

extern void cfg_layout_finalize (void);

extern void reemit_insn_block_notes (void);

extern bool can_copy_bbs_p (basic_block *, unsigned);

extern void copy_bbs (basic_block *, unsigned, basic_block *,

                      edge *, unsigned, edge *, struct loop *,

                      basic_block);

extern rtx duplicate_insn_chain (rtx, rtx);

#endif /* GCC_CFGLAYOUT_H */