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