tree-scalar-evolution.h revision 169690
1/* Scalar evolution detector. 2 Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc. 3 Contributed by Sebastian Pop <s.pop@laposte.net> 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free 9Software Foundation; either version 2, or (at your option) any later 10version. 11 12GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13WARRANTY; without even the implied warranty of MERCHANTABILITY or 14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING. If not, write to the Free 19Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 2002110-1301, USA. */ 21 22#ifndef GCC_TREE_SCALAR_EVOLUTION_H 23#define GCC_TREE_SCALAR_EVOLUTION_H 24 25extern tree number_of_iterations_in_loop (struct loop *); 26extern tree get_loop_exit_condition (struct loop *); 27 28extern void scev_initialize (struct loops *loops); 29extern void scev_reset (void); 30extern void scev_finalize (void); 31extern tree analyze_scalar_evolution (struct loop *, tree); 32extern tree instantiate_parameters (struct loop *, tree); 33extern void gather_stats_on_scev_database (void); 34extern void scev_analysis (void); 35unsigned int scev_const_prop (void); 36 37extern bool simple_iv (struct loop *, tree, tree, affine_iv *, bool); 38 39#endif /* GCC_TREE_SCALAR_EVOLUTION_H */ 40