| /* Header file for loop interation estimates. |
| Copyright (C) 2013-2014 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef GCC_TREE_SSA_LOOP_NITER_H |
| #define GCC_TREE_SSA_LOOP_NITER_H |
| |
| extern tree expand_simple_operations (tree); |
| extern bool loop_only_exit_p (const struct loop *, const_edge); |
| extern bool number_of_iterations_exit (struct loop *, edge, |
| struct tree_niter_desc *niter, bool, |
| bool every_iteration = true); |
| extern tree find_loop_niter (struct loop *, edge *); |
| extern bool finite_loop_p (struct loop *); |
| extern tree loop_niter_by_eval (struct loop *, edge); |
| extern tree find_loop_niter_by_eval (struct loop *, edge *); |
| extern bool estimated_loop_iterations (struct loop *, double_int *); |
| extern HOST_WIDE_INT estimated_loop_iterations_int (struct loop *); |
| extern bool max_loop_iterations (struct loop *, double_int *); |
| extern HOST_WIDE_INT max_loop_iterations_int (struct loop *); |
| extern HOST_WIDE_INT max_stmt_executions_int (struct loop *); |
| extern HOST_WIDE_INT estimated_stmt_executions_int (struct loop *); |
| extern bool max_stmt_executions (struct loop *, double_int *); |
| extern bool estimated_stmt_executions (struct loop *, double_int *); |
| extern void estimate_numbers_of_iterations (void); |
| extern bool stmt_dominates_stmt_p (gimple, gimple); |
| extern bool nowrap_type_p (tree); |
| extern bool scev_probably_wraps_p (tree, tree, gimple, struct loop *, bool); |
| extern void free_numbers_of_iterations_estimates_loop (struct loop *); |
| extern void free_numbers_of_iterations_estimates (void); |
| extern void substitute_in_loop_info (struct loop *, tree, tree); |
| |
| #endif /* GCC_TREE_SSA_LOOP_NITER_H */ |
