| 1 | /* Control flow optimization header file. |
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| 2 | Copyright (C) 2014-2023 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of GCC. |
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| 5 | |
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| 6 | GCC is free software; you can redistribute it and/or modify it under |
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| 7 | the terms of the GNU General Public License as published by the Free |
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| 8 | Software Foundation; either version 3, or (at your option) any later |
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| 9 | version. |
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| 10 | |
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| 11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 14 | for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with GCC; see the file COPYING3. If not see |
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| 18 | <http://www.gnu.org/licenses/>. */ |
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| 19 | |
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| 20 | |
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| 21 | #ifndef GCC_CFGCLEANUP_H |
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| 22 | #define GCC_CFGCLEANUP_H |
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| 23 | |
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| 24 | enum replace_direction { dir_none, dir_forward, dir_backward, dir_both }; |
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| 25 | |
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| 26 | extern int flow_find_cross_jump (basic_block, basic_block, rtx_insn **, |
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| 27 | rtx_insn **, enum replace_direction*); |
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| 28 | extern int flow_find_head_matching_sequence (basic_block, basic_block, |
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| 29 | rtx_insn **, rtx_insn **, int); |
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| 30 | extern bool delete_unreachable_blocks (void); |
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| 31 | extern void delete_dead_jumptables (void); |
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| 32 | extern bool cleanup_cfg (int); |
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| 33 | extern bool bb_is_just_return (basic_block, rtx_insn **, rtx_insn **); |
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| 34 | |
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| 35 | #endif /* GCC_CFGCLEANUP_H */ |
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| 36 | |
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