1 /* Header file for Induction variable optimizations.
2 Copyright (C) 2013-2023 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
20 #ifndef GCC_TREE_SSA_LOOP_IVOPTS_H
21 #define GCC_TREE_SSA_LOOP_IVOPTS_H
23 extern edge
single_dom_exit (class loop
*);
24 extern void dump_iv (FILE *, struct iv
*);
25 extern void dump_use (FILE *, struct iv_use
*);
26 extern void dump_uses (FILE *, struct ivopts_data
*);
27 extern void dump_cand (FILE *, struct iv_cand
*);
28 extern bool contains_abnormal_ssa_name_p (tree
);
29 extern class loop
*outermost_invariant_loop_for_expr (class loop
*, tree
);
30 extern bool expr_invariant_in_loop_p (class loop
*, tree
);
31 extern tree
strip_offset (tree
, poly_uint64_pod
*);
32 bool may_be_nonaddressable_p (tree expr
);
33 void tree_ssa_iv_optimize (void);
35 void create_canonical_iv (class loop
*, edge
, tree
,
36 tree
* = NULL
, tree
* = NULL
);
37 #endif /* GCC_TREE_SSA_LOOP_IVOPTS_H */