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/* Define control flow data structures for the CFG. Copyright (C) 2014-2017 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ #ifndef GCC_CFGRTL_H #define GCC_CFGRTL_H extern void delete_insn (rtx_insn *); extern bool delete_insn_and_edges (rtx_insn *); extern void delete_insn_chain (rtx, rtx_insn *, bool); extern basic_block create_basic_block_structure (rtx_insn *, rtx_insn *, rtx_note *, basic_block); extern void compute_bb_for_insn (void); extern unsigned int free_bb_for_insn (void); extern rtx_insn *entry_of_function (void); extern void update_bb_for_insn (basic_block); extern bool contains_no_active_insn_p (const_basic_block); extern bool forwarder_block_p (const_basic_block); extern bool can_fallthru (basic_block, basic_block); extern rtx_note *bb_note (basic_block); extern rtx_code_label *block_label (basic_block); extern edge try_redirect_by_replacing_jump (edge, basic_block, bool); extern void emit_barrier_after_bb (basic_block bb); extern basic_block force_nonfallthru_and_redirect (edge, basic_block, rtx); extern void insert_insn_on_edge (rtx, edge); extern void commit_one_edge_insertion (edge e); extern void commit_edge_insertions (void); extern void print_rtl_with_bb (FILE *, const rtx_insn *, int); extern void update_br_prob_note (basic_block); extern rtx_insn *get_last_bb_insn (basic_block); extern void fixup_partitions (void); extern bool purge_dead_edges (basic_block); extern bool purge_all_dead_edges (void); extern bool fixup_abnormal_edges (void); extern rtx_insn *unlink_insn_chain (rtx_insn *, rtx_insn *); extern void relink_block_chain (bool); extern rtx_insn *duplicate_insn_chain (rtx_insn *, rtx_insn *); extern void cfg_layout_initialize (unsigned int); extern void cfg_layout_finalize (void); extern void break_superblocks (void); extern void init_rtl_bb_info (basic_block); #endif /* GCC_CFGRTL_H */