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/* Header file for Induction variable optimizations.
Copyright (C) 2013-2018 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_TREE_SSA_LOOP_IVOPTS_H
#define GCC_TREE_SSA_LOOP_IVOPTS_H
extern edge single_dom_exit (struct loop *);
extern void dump_iv (FILE *, struct iv *);
extern void dump_use (FILE *, struct iv_use *);
extern void dump_uses (FILE *, struct ivopts_data *);
extern void dump_cand (FILE *, struct iv_cand *);
extern bool contains_abnormal_ssa_name_p (tree);
extern struct loop *outermost_invariant_loop_for_expr (struct loop *, tree);
extern bool expr_invariant_in_loop_p (struct loop *, tree);
extern tree strip_offset (tree, poly_uint64_pod *);
bool may_be_nonaddressable_p (tree expr);
void tree_ssa_iv_optimize (void);
void create_canonical_iv (struct loop *, edge, tree,
tree * = NULL, tree * = NULL);
#endif /* GCC_TREE_SSA_LOOP_IVOPTS_H */
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