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| author | Dehao Chen <dehao@google.com> | 2014-10-21 17:59:30 +0000 |
|---|---|---|
| committer | Dehao Chen <dehao@gcc.gnu.org> | 2014-10-21 17:59:30 +0000 |
| commit | be3c16c474629e69c6c4cd6465ffa4b572cc6460 (patch) | |
| tree | 2dca135cb3eadb5a684bff2c9f64afbafd4ba80e /gcc/auto-profile.h | |
| parent | 3edf64aa919b9bf725672bd0ad91bfd30c6a31df (diff) | |
| download | gcc-be3c16c474629e69c6c4cd6465ffa4b572cc6460.tar.gz | |
Add AutoFDO.
gcc/ChangeLog:
2014-10-21 Dehao Chen <dehao@google.com>
* auto-profile.c: New file.
* auto-profile.h: New file.
* basic-block.h (maybe_hot_count_p): New export func.
(add_working_set): New export func.
* gcov-io.h (GCOV_TAG_AFDO_FILE_NAMES): New tag.
(GCOV_TAG_AFDO_FUNCTION): Likewise.
(GCOV_TAG_AFDO_WORKING_SET): Likewise.
* opts.c (enable_fdo_optimizations): New func.
(common_handle_option): Handle -fauto-profile flag.
* ipa-inline.c (want_early_inline_function_p): Iterative-einline.
(class pass_early_inline): Export early_inliner.
(early_inliner): Likewise.
(pass_early_inline::execute): Likewise.
* ipa-inline.h (early_inliner): Likewise.
* predict.c (maybe_hot_count_p): New export func.
(counts_to_freqs): AutoFDO logic.
(rebuild_frequencies): Likewise.
* tree-profile.c (pass_ipa_tree_profile::gate): Likewise.
* profile.c (add_working_set): New func.
* Makefile.in (auto-profile.o): New object file.
* passes.def (pass_ipa_auto_profile): New pass.
* tree-ssa-live.c (remove_unused_scope_block_p): AutoFDO logic.
* tree-pass.h (make_pass_ipa_auto_profile): New pass.
* toplev.c (compile_file): AutoFDO logic.
* doc/invoke.texi (-fauto-profile): New doc.
* coverage.c (coverage_init): AutoFDO logic.
* common.opt (-fauto-profile): New flag.
* timevar.def (TV_IPA_AUTOFDO): New tag.
* value-prof.c (gimple_alloc_histogram_value): New export func.
(check_ic_target): Likewise.
* value-prof.h (gimple_alloc_histogram_value): Likewise.
(check_ic_target): Likewise.
From-SVN: r216523
Diffstat (limited to 'gcc/auto-profile.h')
| -rw-r--r-- | gcc/auto-profile.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/auto-profile.h b/gcc/auto-profile.h new file mode 100644 index 00000000000..7b4f2449cb7 --- /dev/null +++ b/gcc/auto-profile.h @@ -0,0 +1,31 @@ +/* auto-profile.h - Defines data exported from auto-profile.c + Copyright (C) 2014. Free Software Foundation, Inc. + Contributed by Dehao Chen (dehao@google.com) + +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 AUTO_PROFILE_H +#define AUTO_PROFILE_H + +/* Read, process, finalize AutoFDO data structures. */ +extern void read_autofdo_file (void); +extern void end_auto_profile (void); + +/* Returns TRUE if EDGE is hot enough to be inlined early. */ +extern bool afdo_callsite_hot_enough_for_early_inline (struct cgraph_edge *); + +#endif /* AUTO_PROFILE_H */ |