GCC Middle and Back End API Reference
tree-ssa-loop-ivopts.h
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1 /* Header file for Induction variable optimizations.
2  Copyright (C) 2013 Free Software Foundation, Inc.
3 
4 This file is part of GCC.
5 
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
9 version.
10 
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
14  for more details.
15 
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/>. */
19 
20 #ifndef GCC_TREE_SSA_LOOP_IVOPTS_H
21 #define GCC_TREE_SSA_LOOP_IVOPTS_H
22 
23 extern edge single_dom_exit (struct 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 struct loop *outermost_invariant_loop_for_expr (struct loop *, tree);
30 extern bool expr_invariant_in_loop_p (struct loop *, tree);
31 bool may_be_nonaddressable_p (tree expr);
32 bool multiplier_allowed_in_address_p (HOST_WIDE_INT, enum machine_mode,
33  addr_space_t);
34 void tree_ssa_iv_optimize (void);
35 
36 #endif /* GCC_TREE_SSA_LOOP_IVOPTS_H */