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tree-ssa-loop-niter.h revision 1.7 
      1  1.1  mrg /* Header file for loop interation estimates.
      2  1.7  mrg    Copyright (C) 2013-2022 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  1.6  mrg extern tree simplify_using_initial_conditions (class loop *, tree);
     25  1.6  mrg extern bool loop_only_exit_p (const class loop *, basic_block *body,
     26  1.6  mrg 			      const_edge);
     27  1.6  mrg extern bool number_of_iterations_exit (class loop *, edge,
     28  1.6  mrg 				       class tree_niter_desc *niter, bool,
     29  1.6  mrg 				       bool every_iteration = true,
     30  1.6  mrg 				       basic_block * = NULL);
     31  1.6  mrg extern bool number_of_iterations_exit_assumptions (class loop *, edge,
     32  1.6  mrg 						   class tree_niter_desc *,
     33  1.6  mrg 						   gcond **, bool = true,
     34  1.6  mrg 						   basic_block * = NULL);
     35  1.6  mrg extern tree find_loop_niter (class loop *, edge *);
     36  1.6  mrg extern bool finite_loop_p (class loop *);
     37  1.6  mrg extern tree loop_niter_by_eval (class loop *, edge);
     38  1.6  mrg extern tree find_loop_niter_by_eval (class loop *, edge *);
     39  1.6  mrg extern bool estimated_loop_iterations (class loop *, widest_int *);
     40  1.6  mrg extern HOST_WIDE_INT estimated_loop_iterations_int (class loop *);
     41  1.6  mrg extern bool max_loop_iterations (class loop *, widest_int *);
     42  1.6  mrg extern HOST_WIDE_INT max_loop_iterations_int (class loop *);
     43  1.6  mrg extern bool likely_max_loop_iterations (class loop *, widest_int *);
     44  1.6  mrg extern HOST_WIDE_INT likely_max_loop_iterations_int (class loop *);
     45  1.6  mrg extern HOST_WIDE_INT max_stmt_executions_int (class loop *);
     46  1.6  mrg extern HOST_WIDE_INT likely_max_stmt_executions_int (class loop *);
     47  1.6  mrg extern HOST_WIDE_INT estimated_stmt_executions_int (class loop *);
     48  1.6  mrg extern bool max_stmt_executions (class loop *, widest_int *);
     49  1.6  mrg extern bool likely_max_stmt_executions (class loop *, widest_int *);
     50  1.6  mrg extern bool estimated_stmt_executions (class loop *, widest_int *);
     51  1.4  mrg extern void estimate_numbers_of_iterations (function *);
     52  1.6  mrg extern void estimate_numbers_of_iterations (class loop *);
     53  1.3  mrg extern bool stmt_dominates_stmt_p (gimple *, gimple *);
     54  1.1  mrg extern bool nowrap_type_p (tree);
     55  1.3  mrg extern bool scev_probably_wraps_p (tree, tree, tree, gimple *,
     56  1.6  mrg 				   class loop *, bool);
     57  1.6  mrg extern void free_numbers_of_iterations_estimates (class loop *);
     58  1.3  mrg extern void free_numbers_of_iterations_estimates (function *);
     59  1.6  mrg extern tree simplify_replace_tree (tree, tree,
     60  1.6  mrg 				   tree, tree (*)(tree, void *) = NULL,
     61  1.6  mrg 				   void * = NULL, bool do_fold = true);
     62  1.6  mrg extern void substitute_in_loop_info (class loop *, tree, tree);
     63  1.1  mrg 
     64  1.1  mrg #endif /* GCC_TREE_SSA_LOOP_NITER_H */
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