1/* Define control flow data structures for the CFG. 2 Copyright (C) 2014-2015 Free Software Foundation, Inc. 3 4This file is part of GCC. 5 6GCC is free software; you can redistribute it and/or modify it under 7the terms of the GNU General Public License as published by the Free 8Software Foundation; either version 3, or (at your option) any later 9version. 10 11GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12WARRANTY; without even the implied warranty of MERCHANTABILITY or 13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14for more details. 15 16You should have received a copy of the GNU General Public License 17along 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 23extern void delete_insn (rtx); 24extern void delete_insn_and_edges (rtx_insn *); 25extern void delete_insn_chain (rtx, rtx, bool); 26extern basic_block create_basic_block_structure (rtx_insn *, rtx_insn *, 27 rtx_note *, basic_block); 28extern void compute_bb_for_insn (void); 29extern unsigned int free_bb_for_insn (void); 30extern rtx_insn *entry_of_function (void); 31extern void update_bb_for_insn (basic_block); 32extern bool contains_no_active_insn_p (const_basic_block); 33extern bool forwarder_block_p (const_basic_block); 34extern bool can_fallthru (basic_block, basic_block); 35extern rtx_note *bb_note (basic_block); 36extern rtx block_label (basic_block); 37extern edge try_redirect_by_replacing_jump (edge, basic_block, bool); 38extern void emit_barrier_after_bb (basic_block bb); 39extern basic_block force_nonfallthru_and_redirect (edge, basic_block, rtx); 40extern void insert_insn_on_edge (rtx, edge); 41extern void commit_one_edge_insertion (edge e); 42extern void commit_edge_insertions (void); 43extern void print_rtl_with_bb (FILE *, const rtx_insn *, int); 44extern void update_br_prob_note (basic_block); 45extern rtx_insn *get_last_bb_insn (basic_block); 46extern void fixup_partitions (void); 47extern bool purge_dead_edges (basic_block); 48extern bool purge_all_dead_edges (void); 49extern bool fixup_abnormal_edges (void); 50extern rtx_insn *unlink_insn_chain (rtx_insn *, rtx_insn *); 51extern void relink_block_chain (bool); 52extern rtx_insn *duplicate_insn_chain (rtx_insn *, rtx_insn *); 53extern void cfg_layout_initialize (unsigned int); 54extern void cfg_layout_finalize (void); 55extern void break_superblocks (void); 56extern void init_rtl_bb_info (basic_block); 57 58#endif /* GCC_CFGRTL_H */ 59