gcc/cfg.h

   1 /* Control flow graph manipulation code header file.
   2    Copyright (C) 2014 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_CFG_H
  21 #define GCC_CFG_H
  22
  23 extern void init_flow (struct function *);
  24 extern void clear_edges (void);
  25 extern basic_block alloc_block (void);
  26 extern void link_block (basic_block, basic_block);
  27 extern void unlink_block (basic_block);
  28 extern void compact_blocks (void);
  29 extern void expunge_block (basic_block);
  30 extern edge unchecked_make_edge (basic_block, basic_block, int);
  31 extern edge cached_make_edge (sbitmap, basic_block, basic_block, int);
  32 extern edge make_edge (basic_block, basic_block, int);
  33 extern edge make_single_succ_edge (basic_block, basic_block, int);
  34 extern void remove_edge_raw (edge);
  35 extern void redirect_edge_succ (edge, basic_block);
  36 extern void redirect_edge_pred (edge, basic_block);
  37 extern void clear_bb_flags (void);
  38 extern void dump_edge_info (FILE *, edge, int, int);
  39 extern void debug (edge_def &ref);
  40 extern void debug (edge_def *ptr);
  41 extern void alloc_aux_for_blocks (int);
  42 extern void clear_aux_for_blocks (void);
  43 extern void free_aux_for_blocks (void);
  44 extern void alloc_aux_for_edge (edge, int);
  45 extern void alloc_aux_for_edges (int);
  46 extern void clear_aux_for_edges (void);
  47 extern void free_aux_for_edges (void);
  48 extern void debug_bb (basic_block);
  49 extern basic_block debug_bb_n (int);
  50 extern void dump_bb_info (FILE *, basic_block, int, int, bool, bool);
  51 extern void brief_dump_cfg (FILE *, int);
  52 extern void update_bb_profile_for_threading (basic_block, int, gcov_type, edge);
  53 extern void scale_bbs_frequencies_int (basic_block *, int, int, int);
  54 extern void scale_bbs_frequencies_gcov_type (basic_block *, int, gcov_type,
  55                                              gcov_type);
  56 extern void initialize_original_copy_tables (void);
  57 extern void free_original_copy_tables (void);
  58 extern void set_bb_original (basic_block, basic_block);
  59 extern basic_block get_bb_original (basic_block);
  60 extern void set_bb_copy (basic_block, basic_block);
  61 extern basic_block get_bb_copy (basic_block);
  62 void set_loop_copy (struct loop *, struct loop *);
  63 struct loop *get_loop_copy (struct loop *);
  64
  65 #endif /* GCC_CFG_H */