| /* Control flow optimization header file. |
| Copyright (C) 2014-2019 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_CFGCLEANUP_H |
| #define GCC_CFGCLEANUP_H |
| |
| enum replace_direction { dir_none, dir_forward, dir_backward, dir_both }; |
| |
| extern int flow_find_cross_jump (basic_block, basic_block, rtx_insn **, |
| rtx_insn **, enum replace_direction*); |
| extern int flow_find_head_matching_sequence (basic_block, basic_block, |
| rtx_insn **, rtx_insn **, int); |
| extern bool delete_unreachable_blocks (void); |
| extern void delete_dead_jumptables (void); |
| extern bool cleanup_cfg (int); |
| |
| #endif /* GCC_CFGCLEANUP_H */ |