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71343877 | 1 | /* Header file for loop interation estimates. |
a945c346 | 2 | Copyright (C) 2013-2024 Free Software Foundation, Inc. |
71343877 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_SSA_LOOP_NITER_H | |
21 | #define GCC_TREE_SSA_LOOP_NITER_H | |
22 | ||
fc06280e | 23 | extern tree expand_simple_operations (tree, tree = NULL); |
99b1c316 | 24 | extern tree simplify_using_initial_conditions (class loop *, tree); |
f10d2d85 RB |
25 | extern bool loop_only_exit_p (const class loop *, basic_block *body, |
26 | const_edge); | |
99b1c316 MS |
27 | extern bool number_of_iterations_exit (class loop *, edge, |
28 | class tree_niter_desc *niter, bool, | |
f10d2d85 RB |
29 | bool every_iteration = true, |
30 | basic_block * = NULL); | |
99b1c316 MS |
31 | extern bool number_of_iterations_exit_assumptions (class loop *, edge, |
32 | class tree_niter_desc *, | |
f10d2d85 RB |
33 | gcond **, bool = true, |
34 | basic_block * = NULL); | |
99b1c316 MS |
35 | extern tree find_loop_niter (class loop *, edge *); |
36 | extern bool finite_loop_p (class loop *); | |
37 | extern tree loop_niter_by_eval (class loop *, edge); | |
38 | extern tree find_loop_niter_by_eval (class loop *, edge *); | |
39 | extern bool estimated_loop_iterations (class loop *, widest_int *); | |
40 | extern HOST_WIDE_INT estimated_loop_iterations_int (class loop *); | |
41 | extern bool max_loop_iterations (class loop *, widest_int *); | |
42 | extern HOST_WIDE_INT max_loop_iterations_int (class loop *); | |
43 | extern bool likely_max_loop_iterations (class loop *, widest_int *); | |
44 | extern HOST_WIDE_INT likely_max_loop_iterations_int (class loop *); | |
45 | extern HOST_WIDE_INT max_stmt_executions_int (class loop *); | |
46 | extern HOST_WIDE_INT likely_max_stmt_executions_int (class loop *); | |
47 | extern HOST_WIDE_INT estimated_stmt_executions_int (class loop *); | |
48 | extern bool max_stmt_executions (class loop *, widest_int *); | |
49 | extern bool likely_max_stmt_executions (class loop *, widest_int *); | |
50 | extern bool estimated_stmt_executions (class loop *, widest_int *); | |
adb7eaa2 | 51 | extern void estimate_numbers_of_iterations (function *); |
99b1c316 | 52 | extern void estimate_numbers_of_iterations (class loop *); |
355fe088 | 53 | extern bool stmt_dominates_stmt_p (gimple *, gimple *); |
71343877 | 54 | extern bool nowrap_type_p (tree); |
b24d9420 | 55 | extern bool scev_probably_wraps_p (tree, tree, tree, gimple *, |
99b1c316 MS |
56 | class loop *, bool); |
57 | extern void free_numbers_of_iterations_estimates (class loop *); | |
61183076 | 58 | extern void free_numbers_of_iterations_estimates (function *); |
97c14603 AV |
59 | extern tree simplify_replace_tree (tree, tree, |
60 | tree, tree (*)(tree, void *) = NULL, | |
f7dff769 | 61 | void * = NULL, bool do_fold = true); |
99b1c316 | 62 | extern void substitute_in_loop_info (class loop *, tree, tree); |
71343877 AM |
63 | |
64 | #endif /* GCC_TREE_SSA_LOOP_NITER_H */ |