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 */ 38