diff options
Diffstat (limited to 'gcc/cfgloopmanip.h')
| -rw-r--r-- | gcc/cfgloopmanip.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gcc/cfgloopmanip.h b/gcc/cfgloopmanip.h new file mode 100644 index 0000000..cbf8e7c --- /dev/null +++ b/gcc/cfgloopmanip.h @@ -0,0 +1,63 @@ +/* Loop manipulation header. + Copyright (C) 2014 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_CFGLOOPMANIP_H +#define GCC_CFGLOOPMANIP_H + +enum +{ + CP_SIMPLE_PREHEADERS = 1, + CP_FALLTHRU_PREHEADERS = 2 +}; + +#define DLTHE_FLAG_UPDATE_FREQ 1 /* Update frequencies in + duplicate_loop_to_header_edge. */ +#define DLTHE_RECORD_COPY_NUMBER 2 /* Record copy number in the aux + field of newly create BB. */ +#define DLTHE_FLAG_COMPLETTE_PEEL 4 /* Update frequencies expecting + a complete peeling. */ +extern edge mfb_kj_edge; + +extern bool remove_path (edge); +extern void place_new_loop (struct function *, struct loop *); +extern void add_loop (struct loop *, struct loop *); +extern void scale_loop_frequencies (struct loop *, int, int); +extern void scale_loop_profile (struct loop *, int, gcov_type); +extern edge create_empty_if_region_on_edge (edge, tree); +extern struct loop *create_empty_loop_on_edge (edge, tree, tree, tree, tree, + tree *, tree *, struct loop *); +extern struct loop *loopify (edge, edge, + basic_block, edge, edge, bool, + unsigned, unsigned); +extern void unloop (struct loop *, bool *, bitmap); +extern void copy_loop_info (struct loop *loop, struct loop *target); +extern struct loop * duplicate_loop (struct loop *, struct loop *); +extern void duplicate_subloops (struct loop *, struct loop *); +extern bool can_duplicate_loop_p (const struct loop *loop); +extern bool duplicate_loop_to_header_edge (struct loop *, edge, + unsigned, sbitmap, edge, + vec<edge> *, int); +extern bool mfb_keep_just (edge); +basic_block create_preheader (struct loop *, int); +extern void create_preheaders (int); +extern void force_single_succ_latches (void); +struct loop * loop_version (struct loop *, void *, + basic_block *, unsigned, unsigned, unsigned, bool); + +#endif /* GCC_CFGLOOPMANIP_H */ |