110d565efSmrg /* Define control flow data structures for the CFG. 2*ec02198aSmrg Copyright (C) 2014-2020 Free Software Foundation, Inc. 310d565efSmrg 410d565efSmrg This file is part of GCC. 510d565efSmrg 610d565efSmrg GCC is free software; you can redistribute it and/or modify it under 710d565efSmrg the terms of the GNU General Public License as published by the Free 810d565efSmrg Software Foundation; either version 3, or (at your option) any later 910d565efSmrg version. 1010d565efSmrg 1110d565efSmrg GCC is distributed in the hope that it will be useful, but WITHOUT ANY 1210d565efSmrg WARRANTY; without even the implied warranty of MERCHANTABILITY or 1310d565efSmrg FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1410d565efSmrg for more details. 1510d565efSmrg 1610d565efSmrg You should have received a copy of the GNU General Public License 1710d565efSmrg along with GCC; see the file COPYING3. If not see 1810d565efSmrg <http://www.gnu.org/licenses/>. */ 1910d565efSmrg 2010d565efSmrg #ifndef GCC_CFGRTL_H 2110d565efSmrg #define GCC_CFGRTL_H 2210d565efSmrg 2310d565efSmrg extern void delete_insn (rtx_insn *); 2410d565efSmrg extern bool delete_insn_and_edges (rtx_insn *); 2510d565efSmrg extern void delete_insn_chain (rtx, rtx_insn *, bool); 2610d565efSmrg extern basic_block create_basic_block_structure (rtx_insn *, rtx_insn *, 2710d565efSmrg rtx_note *, basic_block); 2810d565efSmrg extern void compute_bb_for_insn (void); 2910d565efSmrg extern unsigned int free_bb_for_insn (void); 3010d565efSmrg extern rtx_insn *entry_of_function (void); 3110d565efSmrg extern void update_bb_for_insn (basic_block); 3210d565efSmrg extern bool contains_no_active_insn_p (const_basic_block); 3310d565efSmrg extern bool forwarder_block_p (const_basic_block); 3410d565efSmrg extern bool can_fallthru (basic_block, basic_block); 3510d565efSmrg extern rtx_note *bb_note (basic_block); 3610d565efSmrg extern rtx_code_label *block_label (basic_block); 3710d565efSmrg extern edge try_redirect_by_replacing_jump (edge, basic_block, bool); 3810d565efSmrg extern void emit_barrier_after_bb (basic_block bb); 3910d565efSmrg extern basic_block force_nonfallthru_and_redirect (edge, basic_block, rtx); 4010d565efSmrg extern void insert_insn_on_edge (rtx, edge); 4110d565efSmrg extern void commit_one_edge_insertion (edge e); 4210d565efSmrg extern void commit_edge_insertions (void); 43c7a68eb7Smrg extern void print_rtl_with_bb (FILE *, const rtx_insn *, dump_flags_t); 4410d565efSmrg extern void update_br_prob_note (basic_block); 4510d565efSmrg extern rtx_insn *get_last_bb_insn (basic_block); 4610d565efSmrg extern void fixup_partitions (void); 4710d565efSmrg extern bool purge_dead_edges (basic_block); 4810d565efSmrg extern bool purge_all_dead_edges (void); 4910d565efSmrg extern bool fixup_abnormal_edges (void); 5010d565efSmrg extern rtx_insn *unlink_insn_chain (rtx_insn *, rtx_insn *); 5110d565efSmrg extern void relink_block_chain (bool); 5210d565efSmrg extern rtx_insn *duplicate_insn_chain (rtx_insn *, rtx_insn *); 53c7a68eb7Smrg extern void cfg_layout_initialize (int); 5410d565efSmrg extern void cfg_layout_finalize (void); 5510d565efSmrg extern void break_superblocks (void); 5610d565efSmrg extern void init_rtl_bb_info (basic_block); 57c7a68eb7Smrg extern void find_bbs_reachable_by_hot_paths (hash_set <basic_block> *); 5810d565efSmrg 5910d565efSmrg #endif /* GCC_CFGRTL_H */ 60