projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 893479de | 1 | /* Loop manipulation header. |
| cbe34bb5 | 2 | Copyright (C) 2014-2017 Free Software Foundation, Inc. |
| 893479de AM |
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_CFGLOOPMANIP_H | |
| 21 | #define GCC_CFGLOOPMANIP_H | |
| 22 | ||
| 23 | enum | |
| 24 | { | |
| 25 | CP_SIMPLE_PREHEADERS = 1, | |
| 26 | CP_FALLTHRU_PREHEADERS = 2 | |
| 27 | }; | |
| 28 | ||
| 29 | #define DLTHE_FLAG_UPDATE_FREQ 1 /* Update frequencies in | |
| 30 | duplicate_loop_to_header_edge. */ | |
| 31 | #define DLTHE_RECORD_COPY_NUMBER 2 /* Record copy number in the aux | |
| 32 | field of newly create BB. */ | |
| 33 | #define DLTHE_FLAG_COMPLETTE_PEEL 4 /* Update frequencies expecting | |
| 34 | a complete peeling. */ | |
| 35 | extern edge mfb_kj_edge; | |
| 36 | ||
| eb2afa1a | 37 | extern bool remove_path (edge, bool * = NULL, bitmap = NULL); |
| 893479de AM |
38 | extern void place_new_loop (struct function *, struct loop *); |
| 39 | extern void add_loop (struct loop *, struct loop *); | |
| 40 | extern void scale_loop_frequencies (struct loop *, int, int); | |
| 41 | extern void scale_loop_profile (struct loop *, int, gcov_type); | |
| 42 | extern edge create_empty_if_region_on_edge (edge, tree); | |
| 43 | extern struct loop *create_empty_loop_on_edge (edge, tree, tree, tree, tree, | |
| 44 | tree *, tree *, struct loop *); | |
| 45 | extern struct loop *loopify (edge, edge, | |
| 46 | basic_block, edge, edge, bool, | |
| 47 | unsigned, unsigned); | |
| 48 | extern void unloop (struct loop *, bool *, bitmap); | |
| 49 | extern void copy_loop_info (struct loop *loop, struct loop *target); | |
| 50 | extern struct loop * duplicate_loop (struct loop *, struct loop *); | |
| 51 | extern void duplicate_subloops (struct loop *, struct loop *); | |
| 52 | extern bool can_duplicate_loop_p (const struct loop *loop); | |
| 53 | extern bool duplicate_loop_to_header_edge (struct loop *, edge, | |
| 54 | unsigned, sbitmap, edge, | |
| 55 | vec<edge> *, int); | |
| 56 | extern bool mfb_keep_just (edge); | |
| 57 | basic_block create_preheader (struct loop *, int); | |
| 58 | extern void create_preheaders (int); | |
| 59 | extern void force_single_succ_latches (void); | |
| 60 | struct loop * loop_version (struct loop *, void *, | |
| 357067f2 JH |
61 | basic_block *, |
| 62 | profile_probability, profile_probability, | |
| 5d3ebb71 | 63 | unsigned, unsigned, bool); |
| 893479de AM |
64 | |
| 65 | #endif /* GCC_CFGLOOPMANIP_H */ |