* tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
[official-gcc.git] / gcc / tree-scalar-evolution.h
blob60878b1d97e1cdf834bf8c13ceb593f06ffd0cca
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
10 version.
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
15 for more details.
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
20 02110-1301, USA. */
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 */