gcc/tree-ssa-loop-ivopts.h

   1 /* Header file for Induction variable optimizations.
   2    Copyright (C) 2013-2018 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 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 (struct loop *, edge, tree,
  36                           tree * = NULL, tree * = NULL);
  37 #endif /* GCC_TREE_SSA_LOOP_IVOPTS_H */