gcc/tree-cfg.h

   1 /* Data and Control Flow Analysis for Trees.
   2    Copyright (C) 2001-2013 Free Software Foundation, Inc.
   3    Contributed by Diego Novillo <dnovillo@redhat.com>
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef _TREE_CFG_H
  22 #define _TREE_CFG_H
  23
  24 /* Location to track pending stmt for edge insertion.  */
  25 #define PENDING_STMT(e) ((e)->insns.g)
  26
  27 extern void init_empty_tree_cfg_for_function (struct function *);
  28 extern void init_empty_tree_cfg (void);
  29 extern void fold_cond_expr_cond (void);
  30 extern void start_recording_case_labels (void);
  31 extern void end_recording_case_labels (void);
  32 extern basic_block label_to_block_fn (struct function *, tree);
  33 #define label_to_block(t) (label_to_block_fn (cfun, t))
  34 extern void make_abnormal_goto_edges (basic_block, bool);
  35 extern void cleanup_dead_labels (void);
  36 extern void group_case_labels_stmt (gimple);
  37 extern void group_case_labels (void);
  38 extern void replace_uses_by (tree, tree);
  39 extern basic_block single_noncomplex_succ (basic_block bb);
  40 extern void notice_special_calls (gimple);
  41 extern void clear_special_calls (void);
  42 extern edge find_taken_edge (basic_block, tree);
  43 extern void gimple_debug_bb (basic_block);
  44 extern basic_block gimple_debug_bb_n (int);
  45 extern void gimple_debug_cfg (int);
  46 extern void gimple_dump_cfg (FILE *, int);
  47 extern void dump_cfg_stats (FILE *);
  48 extern void debug_cfg_stats (void);
  49 extern bool stmt_can_make_abnormal_goto (gimple);
  50 extern bool is_ctrl_stmt (gimple);
  51 extern bool is_ctrl_altering_stmt (gimple);
  52 extern bool simple_goto_p (gimple);
  53 extern bool stmt_ends_bb_p (gimple);
  54 extern bool assert_unreachable_fallthru_edge_p (edge);
  55 extern void delete_tree_cfg_annotations (void);
  56 extern gimple first_stmt (basic_block);
  57 extern gimple last_stmt (basic_block);
  58 extern gimple last_and_only_stmt (basic_block);
  59 extern void verify_gimple_in_seq (gimple_seq);
  60 extern void verify_gimple_in_cfg (struct function *);
  61 extern tree gimple_block_label (basic_block);
  62 extern void add_phi_args_after_copy_bb (basic_block);
  63 extern void add_phi_args_after_copy (basic_block *, unsigned, edge);
  64 extern bool gimple_duplicate_sese_region (edge, edge, basic_block *, unsigned,
  65                                         basic_block *, bool);
  66 extern bool gimple_duplicate_sese_tail (edge, edge, basic_block *, unsigned,
  67                                       basic_block *);
  68 extern void gather_blocks_in_sese_region (basic_block entry, basic_block exit,
  69                                           vec<basic_block> *bbs_p);
  70 extern basic_block move_sese_region_to_fn (struct function *, basic_block,
  71                                            basic_block, tree);
  72 extern void dump_function_to_file (tree, FILE *, int);
  73 extern void debug_function (tree, int) ;
  74 extern void print_loops_bb (FILE *, basic_block, int, int);
  75 extern void print_loops (FILE *, int);
  76 extern void debug (struct loop &ref);
  77 extern void debug (struct loop *ptr);
  78 extern void debug_verbose (struct loop &ref);
  79 extern void debug_verbose (struct loop *ptr);
  80 extern void debug_loops (int);
  81 extern void debug_loop (struct loop *, int);
  82 extern void debug_loop_num (unsigned, int);
  83 extern void remove_edge_and_dominated_blocks (edge);
  84 extern bool gimple_purge_dead_eh_edges (basic_block);
  85 extern bool gimple_purge_all_dead_eh_edges (const_bitmap);
  86 extern bool gimple_purge_dead_abnormal_call_edges (basic_block);
  87 extern bool gimple_purge_all_dead_abnormal_call_edges (const_bitmap);
  88 extern tree gimplify_build3 (gimple_stmt_iterator *, enum tree_code,
  89                              tree, tree, tree, tree);
  90 extern tree gimplify_build2 (gimple_stmt_iterator *, enum tree_code,
  91                              tree, tree, tree);
  92 extern tree gimplify_build1 (gimple_stmt_iterator *, enum tree_code,
  93                              tree, tree);
  94 extern void extract_true_false_edges_from_block (basic_block, edge *, edge *);
  95 extern unsigned int execute_fixup_cfg (void);
  96
  97 #endif /* _TREE_CFG_H  */