| /* Header file for High-level loop manipulation functions. |
| Copyright (C) 2013-2019 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_MANIP_H |
| #define GCC_TREE_SSA_LOOP_MANIP_H |
| |
| typedef void (*transform_callback)(struct loop *, void *); |
| |
| extern void create_iv (tree, tree, tree, struct loop *, gimple_stmt_iterator *, |
| bool, tree *, tree *); |
| extern void rewrite_into_loop_closed_ssa_1 (bitmap, unsigned, int, |
| struct loop *); |
| extern void rewrite_into_loop_closed_ssa (bitmap, unsigned); |
| extern void rewrite_virtuals_into_loop_closed_ssa (struct loop *); |
| extern void verify_loop_closed_ssa (bool, struct loop * = NULL); |
| |
| static inline void |
| checking_verify_loop_closed_ssa (bool verify_ssa_p, struct loop *loop = NULL) |
| { |
| if (flag_checking) |
| verify_loop_closed_ssa (verify_ssa_p, loop); |
| } |
| |
| extern basic_block split_loop_exit_edge (edge, bool = false); |
| extern basic_block ip_end_pos (struct loop *); |
| extern basic_block ip_normal_pos (struct loop *); |
| extern void standard_iv_increment_position (struct loop *, |
| gimple_stmt_iterator *, bool *); |
| extern bool gimple_duplicate_loop_to_header_edge (struct loop *, edge, |
| unsigned int, sbitmap, |
| edge, vec<edge> *, |
| int); |
| extern bool can_unroll_loop_p (struct loop *loop, unsigned factor, |
| struct tree_niter_desc *niter); |
| extern gcov_type niter_for_unrolled_loop (struct loop *, unsigned); |
| extern void tree_transform_and_unroll_loop (struct loop *, unsigned, |
| edge, struct tree_niter_desc *, |
| transform_callback, void *); |
| extern void tree_unroll_loop (struct loop *, unsigned, |
| edge, struct tree_niter_desc *); |
| extern tree canonicalize_loop_ivs (struct loop *, tree *, bool); |
| |
| |
| |
| #endif /* GCC_TREE_SSA_LOOP_MANIP_H */ |