1 | /* Header file for High-level loop manipulation functions. |
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_MANIP_H |
21 | #define GCC_TREE_SSA_LOOP_MANIP_H |
22 | |
23 | typedef void (*transform_callback)(class loop *, void *); |
24 | |
25 | extern void create_iv (tree, tree_code, tree, tree, class loop *, |
26 | gimple_stmt_iterator *, bool, tree *, tree *); |
27 | extern void rewrite_into_loop_closed_ssa (bitmap, unsigned); |
28 | extern void verify_loop_closed_ssa (bool, class loop * = NULL); |
29 | |
30 | inline void |
31 | checking_verify_loop_closed_ssa (bool verify_ssa_p, class loop *loop = NULL) |
32 | { |
33 | if (flag_checking) |
34 | verify_loop_closed_ssa (verify_ssa_p, loop); |
35 | } |
36 | |
37 | extern basic_block split_loop_exit_edge (edge, bool = false); |
38 | extern basic_block ip_end_pos (class loop *); |
39 | extern basic_block ip_normal_pos (class loop *); |
40 | extern void standard_iv_increment_position (class loop *, |
41 | gimple_stmt_iterator *, bool *); |
42 | extern bool |
43 | gimple_duplicate_loop_body_to_header_edge (class loop *, edge, unsigned int, |
44 | sbitmap, edge, vec<edge> *, int); |
45 | extern bool can_unroll_loop_p (class loop *loop, unsigned factor, |
46 | class tree_niter_desc *niter); |
47 | extern gcov_type niter_for_unrolled_loop (class loop *, unsigned); |
48 | extern void tree_transform_and_unroll_loop (class loop *, unsigned, |
49 | tree_niter_desc *, |
50 | transform_callback, void *); |
51 | extern void tree_unroll_loop (class loop *, unsigned, tree_niter_desc *); |
52 | extern tree canonicalize_loop_ivs (class loop *, tree *, bool); |
53 | extern unsigned int loop_invariant_motion_in_fun (function *, bool); |
54 | |
55 | |
56 | #endif /* GCC_TREE_SSA_LOOP_MANIP_H */ |
57 | |