1/* Control flow optimization header file. 2 Copyright (C) 2014-2015 Free Software Foundation, Inc. 3 4This file is part of GCC. 5 6GCC is free software; you can redistribute it and/or modify it under 7the terms of the GNU General Public License as published by the Free 8Software Foundation; either version 3, or (at your option) any later 9version. 10 11GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12WARRANTY; without even the implied warranty of MERCHANTABILITY or 13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14for more details. 15 16You should have received a copy of the GNU General Public License 17along with GCC; see the file COPYING3. If not see 18<http://www.gnu.org/licenses/>. */ 19 20 21#ifndef GCC_CFGCLEANUP_H 22#define GCC_CFGCLEANUP_H 23 24enum replace_direction { dir_none, dir_forward, dir_backward, dir_both }; 25 26extern int flow_find_cross_jump (basic_block, basic_block, rtx_insn **, 27 rtx_insn **, enum replace_direction*); 28extern int flow_find_head_matching_sequence (basic_block, basic_block, 29 rtx_insn **, rtx_insn **, int); 30extern bool delete_unreachable_blocks (void); 31extern void delete_dead_jumptables (void); 32extern bool cleanup_cfg (int); 33 34#endif /* GCC_CFGCLEANUP_H */ 35