gcc/cfgrtl.h

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