/* Scalar evolution detector. Copyright (C) 2003, 2004 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 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_reset (void); extern void scev_finalize (void); extern tree analyze_scalar_evolution (struct loop *, tree); extern tree instantiate_parameters (struct loop *, tree); extern void gather_stats_on_scev_database (void); extern void scev_analysis (void); extern bool simple_iv (struct loop *, tree, tree, tree *, tree *); #endif /* GCC_TREE_SCALAR_EVOLUTION_H */