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481d1b81 | 1 | /* Header file for exception handling. |
85ec4feb | 2 | Copyright (C) 2013-2018 Free Software Foundation, Inc. |
481d1b81 AM |
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_TREE_EH_H | |
21 | #define GCC_TREE_EH_H | |
22 | ||
b787e7a2 TS |
23 | |
24 | typedef struct eh_region_d *eh_region; | |
25 | ||
481d1b81 | 26 | extern void using_eh_for_cleanups (void); |
355fe088 TS |
27 | extern void add_stmt_to_eh_lp (gimple *, int); |
28 | extern bool remove_stmt_from_eh_lp_fn (struct function *, gimple *); | |
29 | extern bool remove_stmt_from_eh_lp (gimple *); | |
30 | extern int lookup_stmt_eh_lp_fn (struct function *, gimple *); | |
31 | extern int lookup_stmt_eh_lp (gimple *); | |
538dd0b7 | 32 | extern bool make_eh_dispatch_edges (geh_dispatch *); |
355fe088 | 33 | extern void make_eh_edges (gimple *); |
481d1b81 | 34 | extern edge redirect_eh_edge (edge, basic_block); |
538dd0b7 | 35 | extern void redirect_eh_dispatch_edge (geh_dispatch *, edge, basic_block); |
481d1b81 AM |
36 | extern bool operation_could_trap_helper_p (enum tree_code, bool, bool, bool, |
37 | bool, tree, bool *); | |
38 | extern bool operation_could_trap_p (enum tree_code, bool, bool, tree); | |
39 | extern bool tree_could_trap_p (tree); | |
31b6733b | 40 | extern tree rewrite_to_non_trapping_overflow (tree); |
355fe088 | 41 | extern bool stmt_could_throw_p (gimple *); |
481d1b81 | 42 | extern bool tree_could_throw_p (tree); |
355fe088 TS |
43 | extern bool stmt_can_throw_external (gimple *); |
44 | extern bool stmt_can_throw_internal (gimple *); | |
45 | extern bool maybe_clean_eh_stmt_fn (struct function *, gimple *); | |
46 | extern bool maybe_clean_eh_stmt (gimple *); | |
47 | extern bool maybe_clean_or_replace_eh_stmt (gimple *, gimple *); | |
48 | extern bool maybe_duplicate_eh_stmt_fn (struct function *, gimple *, | |
49 | struct function *, gimple *, | |
b787e7a2 | 50 | hash_map<void *, void *> *, int); |
355fe088 | 51 | extern bool maybe_duplicate_eh_stmt (gimple *, gimple *); |
481d1b81 | 52 | extern void maybe_remove_unreachable_handlers (void); |
355fe088 | 53 | extern bool verify_eh_edges (gimple *); |
538dd0b7 | 54 | extern bool verify_eh_dispatch_edge (geh_dispatch *); |
481d1b81 AM |
55 | |
56 | #endif /* GCC_TREE_EH_H */ |