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1/* Data and Control Flow Analysis for Trees.
2 Copyright (C) 2001-2017 Free Software Foundation, Inc.
3 Contributed by Diego Novillo <dnovillo@redhat.com>
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 3, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along 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/* Garbage collection and PCH support for edge_def. */
28extern void gt_ggc_mx (edge_def *e);
29extern void gt_pch_nx (edge_def *e);
30extern void gt_pch_nx (edge_def *e, gt_pointer_operator, void *);
31
32extern void init_empty_tree_cfg_for_function (struct function *);
33extern void init_empty_tree_cfg (void);
34extern void start_recording_case_labels (void);
35extern void end_recording_case_labels (void);
36extern basic_block label_to_block_fn (struct function *, tree);
37#define label_to_block(t) (label_to_block_fn (cfun, t))
38extern void cleanup_dead_labels (void);
39extern bool group_case_labels_stmt (gswitch *);
40extern bool group_case_labels (void);
41extern void replace_uses_by (tree, tree);
42extern basic_block single_noncomplex_succ (basic_block bb);
43extern void notice_special_calls (gcall *);
44extern void clear_special_calls (void);
45extern edge find_taken_edge (basic_block, tree);
46extern void gimple_debug_bb (basic_block);
47extern basic_block gimple_debug_bb_n (int);
48extern void gimple_debug_cfg (int);
49extern void gimple_dump_cfg (FILE *, dump_flags_t);
50extern void dump_cfg_stats (FILE *);
51extern void debug_cfg_stats (void);
52extern bool computed_goto_p (gimple *);
53extern bool stmt_can_make_abnormal_goto (gimple *);
54extern basic_block get_abnormal_succ_dispatcher (basic_block);
55extern bool is_ctrl_stmt (gimple *);
56extern bool is_ctrl_altering_stmt (gimple *);
57extern bool simple_goto_p (gimple *);
58extern bool stmt_ends_bb_p (gimple *);
59extern bool gimple_seq_unreachable_p (gimple_seq);
60extern bool assert_unreachable_fallthru_edge_p (edge);
61extern void delete_tree_cfg_annotations (function *);
62extern gphi *get_virtual_phi (basic_block);
63extern gimple *first_stmt (basic_block);
64extern gimple *last_stmt (basic_block);
65extern gimple *last_and_only_stmt (basic_block);
66extern void verify_gimple_in_seq (gimple_seq);
67extern void verify_gimple_in_cfg (struct function *, bool);
68extern tree gimple_block_label (basic_block);
69extern void add_phi_args_after_copy_bb (basic_block);
70extern void add_phi_args_after_copy (basic_block *, unsigned, edge);
71extern basic_block split_edge_bb_loc (edge);
72extern bool gimple_duplicate_sese_region (edge, edge, basic_block *, unsigned,
73 basic_block *, bool);
74extern bool gimple_duplicate_sese_tail (edge, edge, basic_block *, unsigned,
75 basic_block *);
76extern void gather_blocks_in_sese_region (basic_block entry, basic_block exit,
77 vec<basic_block> *bbs_p);
78extern void verify_sese (basic_block, basic_block, vec<basic_block> *);
79extern bool gather_ssa_name_hash_map_from (tree const &, tree const &, void *);
80extern void fold_loop_internal_call (gimple *, tree);
81extern basic_block move_sese_region_to_fn (struct function *, basic_block,
82 basic_block, tree);
83extern void dump_function_to_file (tree, FILE *, dump_flags_t);
84extern void debug_function (tree, int) ;
85extern void print_loops_bb (FILE *, basic_block, int, int);
86extern void print_loops (FILE *, int);
87extern void debug (struct loop &ref);
88extern void debug (struct loop *ptr);
89extern void debug_verbose (struct loop &ref);
90extern void debug_verbose (struct loop *ptr);
91extern void debug_loops (int);
92extern void debug_loop (struct loop *, int);
93extern void debug_loop_num (unsigned, int);
94extern void remove_edge_and_dominated_blocks (edge);
95extern bool gimple_purge_dead_eh_edges (basic_block);
96extern bool gimple_purge_all_dead_eh_edges (const_bitmap);
97extern bool gimple_purge_dead_abnormal_call_edges (basic_block);
98extern bool gimple_purge_all_dead_abnormal_call_edges (const_bitmap);
99extern tree gimplify_build3 (gimple_stmt_iterator *, enum tree_code,
100 tree, tree, tree, tree);
101extern tree gimplify_build2 (gimple_stmt_iterator *, enum tree_code,
102 tree, tree, tree);
103extern tree gimplify_build1 (gimple_stmt_iterator *, enum tree_code,
104 tree, tree);
105extern void extract_true_false_edges_from_block (basic_block, edge *, edge *);
106extern unsigned int execute_fixup_cfg (void);
107extern unsigned int split_critical_edges (void);
108extern basic_block insert_cond_bb (basic_block, gimple *, gimple *,
109 profile_probability);
110extern bool gimple_find_sub_bbs (gimple_seq, gimple_stmt_iterator *);
111extern bool extract_true_false_controlled_edges (basic_block, basic_block,
112 edge *, edge *);
113extern void generate_range_test (basic_block bb, tree index, tree low,
114 tree high, tree *lhs, tree *rhs);
115
116/* Return true if the LHS of a call should be removed. */
117
118inline bool
119should_remove_lhs_p (tree lhs)
120{
121 return (lhs
122 && TREE_CODE (TYPE_SIZE_UNIT (TREE_TYPE (lhs))) == INTEGER_CST
123 && !TREE_ADDRESSABLE (TREE_TYPE (lhs)));
124}
125
126#endif /* _TREE_CFG_H */
127

Warning: That file was not part of the compilation database. It may have many parsing errors.