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f86b328b | 1 | /* Header file for loop interation estimates. |
fbd26352 | 2 | Copyright (C) 2013-2019 Free Software Foundation, Inc. |
f86b328b | 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 | ||
02acb8f3 | 23 | extern tree expand_simple_operations (tree, tree = NULL); |
6723abf5 | 24 | extern tree simplify_using_initial_conditions (struct loop *, tree); |
f86b328b | 25 | extern bool loop_only_exit_p (const struct loop *, const_edge); |
26 | extern bool number_of_iterations_exit (struct loop *, edge, | |
27 | struct tree_niter_desc *niter, bool, | |
28 | bool every_iteration = true); | |
a4d34e5e | 29 | extern bool number_of_iterations_exit_assumptions (struct loop *, edge, |
30 | struct tree_niter_desc *, | |
1b793819 | 31 | gcond **, bool = true); |
f86b328b | 32 | extern tree find_loop_niter (struct loop *, edge *); |
33 | extern bool finite_loop_p (struct loop *); | |
34 | extern tree loop_niter_by_eval (struct loop *, edge); | |
35 | extern tree find_loop_niter_by_eval (struct loop *, edge *); | |
5de9d3ed | 36 | extern bool estimated_loop_iterations (struct loop *, widest_int *); |
4e948f5a | 37 | extern HOST_WIDE_INT estimated_loop_iterations_int (struct loop *); |
5de9d3ed | 38 | extern bool max_loop_iterations (struct loop *, widest_int *); |
4e948f5a | 39 | extern HOST_WIDE_INT max_loop_iterations_int (struct loop *); |
8e3ffe30 | 40 | extern bool likely_max_loop_iterations (struct loop *, widest_int *); |
41 | extern HOST_WIDE_INT likely_max_loop_iterations_int (struct loop *); | |
f86b328b | 42 | extern HOST_WIDE_INT max_stmt_executions_int (struct loop *); |
8e3ffe30 | 43 | extern HOST_WIDE_INT likely_max_stmt_executions_int (struct loop *); |
f86b328b | 44 | extern HOST_WIDE_INT estimated_stmt_executions_int (struct loop *); |
5de9d3ed | 45 | extern bool max_stmt_executions (struct loop *, widest_int *); |
8e3ffe30 | 46 | extern bool likely_max_stmt_executions (struct loop *, widest_int *); |
5de9d3ed | 47 | extern bool estimated_stmt_executions (struct loop *, widest_int *); |
46480a95 | 48 | extern void estimate_numbers_of_iterations (function *); |
49 | extern void estimate_numbers_of_iterations (struct loop *); | |
42acab1c | 50 | extern bool stmt_dominates_stmt_p (gimple *, gimple *); |
f86b328b | 51 | extern bool nowrap_type_p (tree); |
90261646 | 52 | extern bool scev_probably_wraps_p (tree, tree, tree, gimple *, |
53 | struct loop *, bool); | |
46480a95 | 54 | extern void free_numbers_of_iterations_estimates (struct loop *); |
d4f078b5 | 55 | extern void free_numbers_of_iterations_estimates (function *); |
b51523c4 | 56 | extern tree simplify_replace_tree (tree, tree, tree, tree (*)(tree) = NULL); |
f86b328b | 57 | extern void substitute_in_loop_info (struct loop *, tree, tree); |
58 | ||
59 | #endif /* GCC_TREE_SSA_LOOP_NITER_H */ |