1*10d565efSmrg /* Define control flow data structures for the CFG. 2*10d565efSmrg Copyright (C) 2014-2017 Free Software Foundation, Inc. 3*10d565efSmrg 4*10d565efSmrg This file is part of GCC. 5*10d565efSmrg 6*10d565efSmrg GCC is free software; you can redistribute it and/or modify it under 7*10d565efSmrg the terms of the GNU General Public License as published by the Free 8*10d565efSmrg Software Foundation; either version 3, or (at your option) any later 9*10d565efSmrg version. 10*10d565efSmrg 11*10d565efSmrg GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12*10d565efSmrg WARRANTY; without even the implied warranty of MERCHANTABILITY or 13*10d565efSmrg FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14*10d565efSmrg for more details. 15*10d565efSmrg 16*10d565efSmrg You should have received a copy of the GNU General Public License 17*10d565efSmrg along with GCC; see the file COPYING3. If not see 18*10d565efSmrg <http://www.gnu.org/licenses/>. */ 19*10d565efSmrg 20*10d565efSmrg #ifndef GCC_CFGRTL_H 21*10d565efSmrg #define GCC_CFGRTL_H 22*10d565efSmrg 23*10d565efSmrg extern void delete_insn (rtx_insn *); 24*10d565efSmrg extern bool delete_insn_and_edges (rtx_insn *); 25*10d565efSmrg extern void delete_insn_chain (rtx, rtx_insn *, bool); 26*10d565efSmrg extern basic_block create_basic_block_structure (rtx_insn *, rtx_insn *, 27*10d565efSmrg rtx_note *, basic_block); 28*10d565efSmrg extern void compute_bb_for_insn (void); 29*10d565efSmrg extern unsigned int free_bb_for_insn (void); 30*10d565efSmrg extern rtx_insn *entry_of_function (void); 31*10d565efSmrg extern void update_bb_for_insn (basic_block); 32*10d565efSmrg extern bool contains_no_active_insn_p (const_basic_block); 33*10d565efSmrg extern bool forwarder_block_p (const_basic_block); 34*10d565efSmrg extern bool can_fallthru (basic_block, basic_block); 35*10d565efSmrg extern rtx_note *bb_note (basic_block); 36*10d565efSmrg extern rtx_code_label *block_label (basic_block); 37*10d565efSmrg extern edge try_redirect_by_replacing_jump (edge, basic_block, bool); 38*10d565efSmrg extern void emit_barrier_after_bb (basic_block bb); 39*10d565efSmrg extern basic_block force_nonfallthru_and_redirect (edge, basic_block, rtx); 40*10d565efSmrg extern void insert_insn_on_edge (rtx, edge); 41*10d565efSmrg extern void commit_one_edge_insertion (edge e); 42*10d565efSmrg extern void commit_edge_insertions (void); 43*10d565efSmrg extern void print_rtl_with_bb (FILE *, const rtx_insn *, int); 44*10d565efSmrg extern void update_br_prob_note (basic_block); 45*10d565efSmrg extern rtx_insn *get_last_bb_insn (basic_block); 46*10d565efSmrg extern void fixup_partitions (void); 47*10d565efSmrg extern bool purge_dead_edges (basic_block); 48*10d565efSmrg extern bool purge_all_dead_edges (void); 49*10d565efSmrg extern bool fixup_abnormal_edges (void); 50*10d565efSmrg extern rtx_insn *unlink_insn_chain (rtx_insn *, rtx_insn *); 51*10d565efSmrg extern void relink_block_chain (bool); 52*10d565efSmrg extern rtx_insn *duplicate_insn_chain (rtx_insn *, rtx_insn *); 53*10d565efSmrg extern void cfg_layout_initialize (unsigned int); 54*10d565efSmrg extern void cfg_layout_finalize (void); 55*10d565efSmrg extern void break_superblocks (void); 56*10d565efSmrg extern void init_rtl_bb_info (basic_block); 57*10d565efSmrg 58*10d565efSmrg #endif /* GCC_CFGRTL_H */ 59