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, 59 Temple Place - Suite 330, Boston, MA
  19    02111-1307, USA.  */
  20
  21 #ifndef GCC_CFGLAYOUT_H
  22 #define GCC_CFGLAYOUT_H
  23
  24 #include "basic-block.h"
  25
  26 extern rtx cfg_layout_function_footer;
  27
  28 extern void cfg_layout_initialize (unsigned int);
  29 extern void cfg_layout_finalize (void);
  30 extern void insn_locators_initialize (void);
  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 extern bool scan_ahead_for_unlikely_executed_note (rtx);
  36 extern rtx duplicate_insn_chain (rtx, rtx);
  37
  38 #endif /* GCC_CFGLAYOUT_H */