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      1  1.1  mrg /* Define control flow data structures for the CFG.
      2  1.7  mrg    Copyright (C) 2014-2022 Free Software Foundation, Inc.
      3  1.1  mrg 
      4  1.1  mrg This file is part of GCC.
      5  1.1  mrg 
      6  1.1  mrg GCC is free software; you can redistribute it and/or modify it under
      7  1.1  mrg the terms of the GNU General Public License as published by the Free
      8  1.1  mrg Software Foundation; either version 3, or (at your option) any later
      9  1.1  mrg version.
     10  1.1  mrg 
     11  1.1  mrg GCC is distributed in the hope that it will be useful, but WITHOUT ANY
     12  1.1  mrg WARRANTY; without even the implied warranty of MERCHANTABILITY or
     13  1.1  mrg FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
     14  1.1  mrg for more details.
     15  1.1  mrg 
     16  1.1  mrg You should have received a copy of the GNU General Public License
     17  1.1  mrg along with GCC; see the file COPYING3.  If not see
     18  1.1  mrg <http://www.gnu.org/licenses/>.  */
     19  1.1  mrg 
     20  1.1  mrg #ifndef GCC_CFGRTL_H
     21  1.1  mrg #define GCC_CFGRTL_H
     22  1.1  mrg 
     23  1.3  mrg extern void delete_insn (rtx_insn *);
     24  1.3  mrg extern bool delete_insn_and_edges (rtx_insn *);
     25  1.3  mrg extern void delete_insn_chain (rtx, rtx_insn *, bool);
     26  1.1  mrg extern basic_block create_basic_block_structure (rtx_insn *, rtx_insn *,
     27  1.1  mrg 						 rtx_note *, basic_block);
     28  1.1  mrg extern void compute_bb_for_insn (void);
     29  1.1  mrg extern unsigned int free_bb_for_insn (void);
     30  1.1  mrg extern rtx_insn *entry_of_function (void);
     31  1.1  mrg extern void update_bb_for_insn (basic_block);
     32  1.1  mrg extern bool contains_no_active_insn_p (const_basic_block);
     33  1.1  mrg extern bool forwarder_block_p (const_basic_block);
     34  1.1  mrg extern bool can_fallthru (basic_block, basic_block);
     35  1.1  mrg extern rtx_note *bb_note (basic_block);
     36  1.3  mrg extern rtx_code_label *block_label (basic_block);
     37  1.1  mrg extern edge try_redirect_by_replacing_jump (edge, basic_block, bool);
     38  1.1  mrg extern void emit_barrier_after_bb (basic_block bb);
     39  1.1  mrg extern basic_block force_nonfallthru_and_redirect (edge, basic_block, rtx);
     40  1.1  mrg extern void insert_insn_on_edge (rtx, edge);
     41  1.7  mrg extern void prepend_insn_to_edge (rtx, edge);
     42  1.1  mrg extern void commit_one_edge_insertion (edge e);
     43  1.1  mrg extern void commit_edge_insertions (void);
     44  1.4  mrg extern void print_rtl_with_bb (FILE *, const rtx_insn *, dump_flags_t);
     45  1.1  mrg extern void update_br_prob_note (basic_block);
     46  1.1  mrg extern rtx_insn *get_last_bb_insn (basic_block);
     47  1.1  mrg extern void fixup_partitions (void);
     48  1.1  mrg extern bool purge_dead_edges (basic_block);
     49  1.1  mrg extern bool purge_all_dead_edges (void);
     50  1.1  mrg extern bool fixup_abnormal_edges (void);
     51  1.7  mrg extern void update_cfg_for_uncondjump (rtx_insn *);
     52  1.1  mrg extern rtx_insn *unlink_insn_chain (rtx_insn *, rtx_insn *);
     53  1.1  mrg extern void relink_block_chain (bool);
     54  1.7  mrg extern rtx_insn *duplicate_insn_chain (rtx_insn *, rtx_insn *,
     55  1.7  mrg 				       class loop *, class copy_bb_data *);
     56  1.4  mrg extern void cfg_layout_initialize (int);
     57  1.1  mrg extern void cfg_layout_finalize (void);
     58  1.1  mrg extern void break_superblocks (void);
     59  1.1  mrg extern void init_rtl_bb_info (basic_block);
     60  1.4  mrg extern void find_bbs_reachable_by_hot_paths (hash_set <basic_block> *);
     61  1.1  mrg 
     62  1.1  mrg #endif /* GCC_CFGRTL_H */
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