tree-ssa-loop-niter.h revision 1.1.1.1.4.2 1 1.1 mrg /* Header file for loop interation estimates.
2 1.1.1.1.4.2 martin Copyright (C) 2013-2017 Free Software Foundation, Inc.
3 1.1 mrg
4 1.1 mrg This file is part of GCC.
5 1.1 mrg
6 1.1 mrg GCC is free software; you can redistribute it and/or modify it under
7 1.1 mrg the terms of the GNU General Public License as published by the Free
8 1.1 mrg Software Foundation; either version 3, or (at your option) any later
9 1.1 mrg version.
10 1.1 mrg
11 1.1 mrg GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 1.1 mrg WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 1.1 mrg FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 1.1 mrg for more details.
15 1.1 mrg
16 1.1 mrg You should have received a copy of the GNU General Public License
17 1.1 mrg along with GCC; see the file COPYING3. If not see
18 1.1 mrg <http://www.gnu.org/licenses/>. */
19 1.1 mrg
20 1.1 mrg #ifndef GCC_TREE_SSA_LOOP_NITER_H
21 1.1 mrg #define GCC_TREE_SSA_LOOP_NITER_H
22 1.1 mrg
23 1.1 mrg extern tree expand_simple_operations (tree, tree = NULL);
24 1.1.1.1.4.2 martin extern tree simplify_using_initial_conditions (struct loop *, tree);
25 1.1 mrg extern bool loop_only_exit_p (const struct loop *, const_edge);
26 1.1 mrg extern bool number_of_iterations_exit (struct loop *, edge,
27 1.1 mrg struct tree_niter_desc *niter, bool,
28 1.1 mrg bool every_iteration = true);
29 1.1.1.1.4.2 martin extern bool number_of_iterations_exit_assumptions (struct loop *, edge,
30 1.1.1.1.4.2 martin struct tree_niter_desc *,
31 1.1.1.1.4.2 martin gcond **, bool = true);
32 1.1 mrg extern tree find_loop_niter (struct loop *, edge *);
33 1.1 mrg extern bool finite_loop_p (struct loop *);
34 1.1 mrg extern tree loop_niter_by_eval (struct loop *, edge);
35 1.1 mrg extern tree find_loop_niter_by_eval (struct loop *, edge *);
36 1.1 mrg extern bool estimated_loop_iterations (struct loop *, widest_int *);
37 1.1 mrg extern HOST_WIDE_INT estimated_loop_iterations_int (struct loop *);
38 1.1 mrg extern bool max_loop_iterations (struct loop *, widest_int *);
39 1.1 mrg extern HOST_WIDE_INT max_loop_iterations_int (struct loop *);
40 1.1.1.1.4.2 martin extern bool likely_max_loop_iterations (struct loop *, widest_int *);
41 1.1.1.1.4.2 martin extern HOST_WIDE_INT likely_max_loop_iterations_int (struct loop *);
42 1.1 mrg extern HOST_WIDE_INT max_stmt_executions_int (struct loop *);
43 1.1.1.1.4.2 martin extern HOST_WIDE_INT likely_max_stmt_executions_int (struct loop *);
44 1.1 mrg extern HOST_WIDE_INT estimated_stmt_executions_int (struct loop *);
45 1.1 mrg extern bool max_stmt_executions (struct loop *, widest_int *);
46 1.1.1.1.4.2 martin extern bool likely_max_stmt_executions (struct loop *, widest_int *);
47 1.1 mrg extern bool estimated_stmt_executions (struct loop *, widest_int *);
48 1.1 mrg extern void estimate_numbers_of_iterations (void);
49 1.1.1.1.4.1 christos extern bool stmt_dominates_stmt_p (gimple *, gimple *);
50 1.1 mrg extern bool nowrap_type_p (tree);
51 1.1.1.1.4.2 martin extern bool scev_probably_wraps_p (tree, tree, tree, gimple *,
52 1.1.1.1.4.2 martin struct loop *, bool);
53 1.1.1.1.4.1 christos extern void free_loop_control_ivs (struct loop *);
54 1.1 mrg extern void free_numbers_of_iterations_estimates_loop (struct loop *);
55 1.1.1.1.4.1 christos extern void free_numbers_of_iterations_estimates (function *);
56 1.1 mrg extern void substitute_in_loop_info (struct loop *, tree, tree);
57 1.1 mrg
58 1.1 mrg #endif /* GCC_TREE_SSA_LOOP_NITER_H */
59