1*38fd1498Szrj /* Define control flow data structures for the CFG. 2*38fd1498Szrj Copyright (C) 2014-2018 Free Software Foundation, Inc. 3*38fd1498Szrj 4*38fd1498Szrj This file is part of GCC. 5*38fd1498Szrj 6*38fd1498Szrj GCC is free software; you can redistribute it and/or modify it under 7*38fd1498Szrj the terms of the GNU General Public License as published by the Free 8*38fd1498Szrj Software Foundation; either version 3, or (at your option) any later 9*38fd1498Szrj version. 10*38fd1498Szrj 11*38fd1498Szrj GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12*38fd1498Szrj WARRANTY; without even the implied warranty of MERCHANTABILITY or 13*38fd1498Szrj FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14*38fd1498Szrj for more details. 15*38fd1498Szrj 16*38fd1498Szrj You should have received a copy of the GNU General Public License 17*38fd1498Szrj along with GCC; see the file COPYING3. If not see 18*38fd1498Szrj <http://www.gnu.org/licenses/>. */ 19*38fd1498Szrj 20*38fd1498Szrj #ifndef GCC_CFGRTL_H 21*38fd1498Szrj #define GCC_CFGRTL_H 22*38fd1498Szrj 23*38fd1498Szrj extern void delete_insn (rtx_insn *); 24*38fd1498Szrj extern bool delete_insn_and_edges (rtx_insn *); 25*38fd1498Szrj extern void delete_insn_chain (rtx, rtx_insn *, bool); 26*38fd1498Szrj extern basic_block create_basic_block_structure (rtx_insn *, rtx_insn *, 27*38fd1498Szrj rtx_note *, basic_block); 28*38fd1498Szrj extern void compute_bb_for_insn (void); 29*38fd1498Szrj extern unsigned int free_bb_for_insn (void); 30*38fd1498Szrj extern rtx_insn *entry_of_function (void); 31*38fd1498Szrj extern void update_bb_for_insn (basic_block); 32*38fd1498Szrj extern bool contains_no_active_insn_p (const_basic_block); 33*38fd1498Szrj extern bool forwarder_block_p (const_basic_block); 34*38fd1498Szrj extern bool can_fallthru (basic_block, basic_block); 35*38fd1498Szrj extern rtx_note *bb_note (basic_block); 36*38fd1498Szrj extern rtx_code_label *block_label (basic_block); 37*38fd1498Szrj extern edge try_redirect_by_replacing_jump (edge, basic_block, bool); 38*38fd1498Szrj extern void emit_barrier_after_bb (basic_block bb); 39*38fd1498Szrj extern basic_block force_nonfallthru_and_redirect (edge, basic_block, rtx); 40*38fd1498Szrj extern void insert_insn_on_edge (rtx, edge); 41*38fd1498Szrj extern void commit_one_edge_insertion (edge e); 42*38fd1498Szrj extern void commit_edge_insertions (void); 43*38fd1498Szrj extern void print_rtl_with_bb (FILE *, const rtx_insn *, dump_flags_t); 44*38fd1498Szrj extern void update_br_prob_note (basic_block); 45*38fd1498Szrj extern rtx_insn *get_last_bb_insn (basic_block); 46*38fd1498Szrj extern void fixup_partitions (void); 47*38fd1498Szrj extern bool purge_dead_edges (basic_block); 48*38fd1498Szrj extern bool purge_all_dead_edges (void); 49*38fd1498Szrj extern bool fixup_abnormal_edges (void); 50*38fd1498Szrj extern rtx_insn *unlink_insn_chain (rtx_insn *, rtx_insn *); 51*38fd1498Szrj extern void relink_block_chain (bool); 52*38fd1498Szrj extern rtx_insn *duplicate_insn_chain (rtx_insn *, rtx_insn *); 53*38fd1498Szrj extern void cfg_layout_initialize (int); 54*38fd1498Szrj extern void cfg_layout_finalize (void); 55*38fd1498Szrj extern void break_superblocks (void); 56*38fd1498Szrj extern void init_rtl_bb_info (basic_block); 57*38fd1498Szrj extern void find_bbs_reachable_by_hot_paths (hash_set <basic_block> *); 58*38fd1498Szrj 59*38fd1498Szrj #endif /* GCC_CFGRTL_H */ 60