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/* Scalar evolution detector.
Copyright (C) 2003 Free Software Foundation, Inc.
Contributed by Sebastian Pop <s.pop@laposte.net>
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 2, 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 COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#ifndef GCC_TREE_SCALAR_EVOLUTION_H
#define GCC_TREE_SCALAR_EVOLUTION_H
extern tree first_iteration_non_satisfying (enum tree_code, unsigned,
tree, tree);
extern tree number_of_iterations_in_loop (struct loop *);
extern tree get_loop_exit_condition (struct loop *);
extern void scev_initialize (struct loops *loops);
extern void scev_finalize (void);
extern tree analyze_scalar_evolution (struct loop *, tree);
extern tree analyze_scalar_evolution_in_loop (struct loop *, struct loop *,
tree);
extern tree instantiate_parameters (struct loop *, tree);
extern void eliminate_redundant_checks (void);
extern void gather_stats_on_scev_database (void);
#endif /* GCC_TREE_SCALAR_EVOLUTION_H */
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