1  /* Header file for Induction variable optimizations.
       2     Copyright (C) 2013-2023 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 (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);
      34  
      35  void create_canonical_iv (class loop *, edge, tree,
      36  			  tree * = NULL, tree * = NULL);
      37  #endif /* GCC_TREE_SSA_LOOP_IVOPTS_H */