|
111
|
1 /* Header file for High-level loop manipulation functions.
|
|
131
|
2 Copyright (C) 2013-2018 Free Software Foundation, Inc.
|
|
111
|
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)(struct loop *, void *);
|
|
|
24
|
|
|
25 extern void create_iv (tree, tree, tree, struct loop *, gimple_stmt_iterator *,
|
|
|
26 bool, tree *, tree *);
|
|
|
27 extern void rewrite_into_loop_closed_ssa_1 (bitmap, unsigned, int,
|
|
|
28 struct loop *);
|
|
|
29 extern void rewrite_into_loop_closed_ssa (bitmap, unsigned);
|
|
|
30 extern void rewrite_virtuals_into_loop_closed_ssa (struct loop *);
|
|
|
31 extern void verify_loop_closed_ssa (bool, struct loop * = NULL);
|
|
|
32
|
|
|
33 static inline void
|
|
|
34 checking_verify_loop_closed_ssa (bool verify_ssa_p, struct loop *loop = NULL)
|
|
|
35 {
|
|
|
36 if (flag_checking)
|
|
|
37 verify_loop_closed_ssa (verify_ssa_p, loop);
|
|
|
38 }
|
|
|
39
|
|
|
40 extern basic_block split_loop_exit_edge (edge);
|
|
|
41 extern basic_block ip_end_pos (struct loop *);
|
|
|
42 extern basic_block ip_normal_pos (struct loop *);
|
|
|
43 extern void standard_iv_increment_position (struct loop *,
|
|
|
44 gimple_stmt_iterator *, bool *);
|
|
|
45 extern bool gimple_duplicate_loop_to_header_edge (struct loop *, edge,
|
|
|
46 unsigned int, sbitmap,
|
|
|
47 edge, vec<edge> *,
|
|
|
48 int);
|
|
|
49 extern bool can_unroll_loop_p (struct loop *loop, unsigned factor,
|
|
|
50 struct tree_niter_desc *niter);
|
|
|
51 extern gcov_type niter_for_unrolled_loop (struct loop *, unsigned);
|
|
|
52 extern void tree_transform_and_unroll_loop (struct loop *, unsigned,
|
|
|
53 edge, struct tree_niter_desc *,
|
|
|
54 transform_callback, void *);
|
|
|
55 extern void tree_unroll_loop (struct loop *, unsigned,
|
|
|
56 edge, struct tree_niter_desc *);
|
|
|
57 extern tree canonicalize_loop_ivs (struct loop *, tree *, bool);
|
|
|
58
|
|
|
59
|
|
|
60
|
|
|
61 #endif /* GCC_TREE_SSA_LOOP_MANIP_H */
|
