36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
/* Control flow optimization header file.
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Copyright (C) 2014-2023 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_CFGCLEANUP_H
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#define GCC_CFGCLEANUP_H
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enum replace_direction { dir_none, dir_forward, dir_backward, dir_both };
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extern int flow_find_cross_jump (basic_block, basic_block, rtx_insn **,
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rtx_insn **, enum replace_direction*);
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extern int flow_find_head_matching_sequence (basic_block, basic_block,
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rtx_insn **, rtx_insn **, int);
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extern bool delete_unreachable_blocks (void);
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extern void delete_dead_jumptables (void);
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extern bool cleanup_cfg (int);
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extern bool bb_is_just_return (basic_block, rtx_insn **, rtx_insn **);
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#endif /* GCC_CFGCLEANUP_H */
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