1/* Header file for Induction variable optimizations.
2   Copyright (C) 2013-2015 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3.  If not see
18<http://www.gnu.org/licenses/>.  */
19
20#ifndef GCC_TREE_SSA_LOOP_IVOPTS_H
21#define GCC_TREE_SSA_LOOP_IVOPTS_H
22
23extern edge single_dom_exit (struct loop *);
24extern void dump_iv (FILE *, struct iv *);
25extern void dump_use (FILE *, struct iv_use *);
26extern void dump_uses (FILE *, struct ivopts_data *);
27extern void dump_cand (FILE *, struct iv_cand *);
28extern bool contains_abnormal_ssa_name_p (tree);
29extern struct loop *outermost_invariant_loop_for_expr (struct loop *, tree);
30extern bool expr_invariant_in_loop_p (struct loop *, tree);
31bool may_be_nonaddressable_p (tree expr);
32bool multiplier_allowed_in_address_p (HOST_WIDE_INT, machine_mode,
33				      addr_space_t);
34void tree_ssa_iv_optimize (void);
35
36#endif /* GCC_TREE_SSA_LOOP_IVOPTS_H */
37