gcc/cfglayout.h

   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
  26 extern GTY(()) rtx cfg_layout_function_footer;
  27 extern GTY(()) rtx cfg_layout_function_header;
  28
  29 extern void cfg_layout_initialize (unsigned int);
  30 extern void cfg_layout_finalize (void);
  31 extern unsigned int insn_locators_initialize (void);
  32 extern void reemit_insn_block_notes (void);
  33 extern bool can_copy_bbs_p (basic_block *, unsigned);
  34 extern void copy_bbs (basic_block *, unsigned, basic_block *,
  35                       edge *, unsigned, edge *, struct loop *,
  36                       basic_block);
  37 extern rtx duplicate_insn_chain (rtx, rtx);
  38
  39 #endif /* GCC_CFGLAYOUT_H */