1/* Header file for Induction variable optimizations.
2 Copyright (C) 2013-2017 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);
31extern tree strip_offset (tree, unsigned HOST_WIDE_INT *);
32bool may_be_nonaddressable_p (tree expr);
33void tree_ssa_iv_optimize (void);
34
35void create_canonical_iv (struct loop *, edge, tree,
36 tree * = NULL, tree * = NULL);
37#endif /* GCC_TREE_SSA_LOOP_IVOPTS_H */
38