1*38fd1498Szrj /* Control flow optimization header file. 2*38fd1498Szrj Copyright (C) 2014-2018 Free Software Foundation, Inc. 3*38fd1498Szrj 4*38fd1498Szrj This file is part of GCC. 5*38fd1498Szrj 6*38fd1498Szrj GCC is free software; you can redistribute it and/or modify it under 7*38fd1498Szrj the terms of the GNU General Public License as published by the Free 8*38fd1498Szrj Software Foundation; either version 3, or (at your option) any later 9*38fd1498Szrj version. 10*38fd1498Szrj 11*38fd1498Szrj GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12*38fd1498Szrj WARRANTY; without even the implied warranty of MERCHANTABILITY or 13*38fd1498Szrj FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14*38fd1498Szrj for more details. 15*38fd1498Szrj 16*38fd1498Szrj You should have received a copy of the GNU General Public License 17*38fd1498Szrj along with GCC; see the file COPYING3. If not see 18*38fd1498Szrj <http://www.gnu.org/licenses/>. */ 19*38fd1498Szrj 20*38fd1498Szrj 21*38fd1498Szrj #ifndef GCC_CFGCLEANUP_H 22*38fd1498Szrj #define GCC_CFGCLEANUP_H 23*38fd1498Szrj 24*38fd1498Szrj enum replace_direction { dir_none, dir_forward, dir_backward, dir_both }; 25*38fd1498Szrj 26*38fd1498Szrj extern int flow_find_cross_jump (basic_block, basic_block, rtx_insn **, 27*38fd1498Szrj rtx_insn **, enum replace_direction*); 28*38fd1498Szrj extern int flow_find_head_matching_sequence (basic_block, basic_block, 29*38fd1498Szrj rtx_insn **, rtx_insn **, int); 30*38fd1498Szrj extern bool delete_unreachable_blocks (void); 31*38fd1498Szrj extern void delete_dead_jumptables (void); 32*38fd1498Szrj extern bool cleanup_cfg (int); 33*38fd1498Szrj 34*38fd1498Szrj #endif /* GCC_CFGCLEANUP_H */ 35