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Diffstat (limited to 'gcc/tree-ssa-loop-niter.h')
| -rw-r--r-- | gcc/tree-ssa-loop-niter.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-niter.h b/gcc/tree-ssa-loop-niter.h new file mode 100644 index 00000000000..194550762d8 --- /dev/null +++ b/gcc/tree-ssa-loop-niter.h @@ -0,0 +1,48 @@ +/* Header file for loop interation estimates. + Copyright (C) 2013 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 */ |