1*38fd1498Szrj /* Header file for High-level loop manipulation functions. 2*38fd1498Szrj Copyright (C) 2013-2018 Free Software Foundation, Inc. 3*38fd1498Szrj 4*38fd1498Szrj This file is part of GCC. 5*38fd1498Szrj 6*38fd1498Szrj GCC is free software; you can redistribute it and/or modify it under 7*38fd1498Szrj the terms of the GNU General Public License as published by the Free 8*38fd1498Szrj Software Foundation; either version 3, or (at your option) any later 9*38fd1498Szrj version. 10*38fd1498Szrj 11*38fd1498Szrj GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12*38fd1498Szrj WARRANTY; without even the implied warranty of MERCHANTABILITY or 13*38fd1498Szrj FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14*38fd1498Szrj for more details. 15*38fd1498Szrj 16*38fd1498Szrj You should have received a copy of the GNU General Public License 17*38fd1498Szrj along with GCC; see the file COPYING3. If not see 18*38fd1498Szrj <http://www.gnu.org/licenses/>. */ 19*38fd1498Szrj 20*38fd1498Szrj #ifndef GCC_TREE_SSA_LOOP_MANIP_H 21*38fd1498Szrj #define GCC_TREE_SSA_LOOP_MANIP_H 22*38fd1498Szrj 23*38fd1498Szrj typedef void (*transform_callback)(struct loop *, void *); 24*38fd1498Szrj 25*38fd1498Szrj extern void create_iv (tree, tree, tree, struct loop *, gimple_stmt_iterator *, 26*38fd1498Szrj bool, tree *, tree *); 27*38fd1498Szrj extern void rewrite_into_loop_closed_ssa_1 (bitmap, unsigned, int, 28*38fd1498Szrj struct loop *); 29*38fd1498Szrj extern void rewrite_into_loop_closed_ssa (bitmap, unsigned); 30*38fd1498Szrj extern void rewrite_virtuals_into_loop_closed_ssa (struct loop *); 31*38fd1498Szrj extern void verify_loop_closed_ssa (bool, struct loop * = NULL); 32*38fd1498Szrj 33*38fd1498Szrj static inline void 34*38fd1498Szrj checking_verify_loop_closed_ssa (bool verify_ssa_p, struct loop *loop = NULL) 35*38fd1498Szrj { 36*38fd1498Szrj if (flag_checking) 37*38fd1498Szrj verify_loop_closed_ssa (verify_ssa_p, loop); 38*38fd1498Szrj } 39*38fd1498Szrj 40*38fd1498Szrj extern basic_block split_loop_exit_edge (edge); 41*38fd1498Szrj extern basic_block ip_end_pos (struct loop *); 42*38fd1498Szrj extern basic_block ip_normal_pos (struct loop *); 43*38fd1498Szrj extern void standard_iv_increment_position (struct loop *, 44*38fd1498Szrj gimple_stmt_iterator *, bool *); 45*38fd1498Szrj extern bool gimple_duplicate_loop_to_header_edge (struct loop *, edge, 46*38fd1498Szrj unsigned int, sbitmap, 47*38fd1498Szrj edge, vec<edge> *, 48*38fd1498Szrj int); 49*38fd1498Szrj extern bool can_unroll_loop_p (struct loop *loop, unsigned factor, 50*38fd1498Szrj struct tree_niter_desc *niter); 51*38fd1498Szrj extern gcov_type niter_for_unrolled_loop (struct loop *, unsigned); 52*38fd1498Szrj extern void tree_transform_and_unroll_loop (struct loop *, unsigned, 53*38fd1498Szrj edge, struct tree_niter_desc *, 54*38fd1498Szrj transform_callback, void *); 55*38fd1498Szrj extern void tree_unroll_loop (struct loop *, unsigned, 56*38fd1498Szrj edge, struct tree_niter_desc *); 57*38fd1498Szrj extern tree canonicalize_loop_ivs (struct loop *, tree *, bool); 58*38fd1498Szrj 59*38fd1498Szrj 60*38fd1498Szrj 61*38fd1498Szrj #endif /* GCC_TREE_SSA_LOOP_MANIP_H */ 62