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author | Steven Bosscher <steven@gcc.gnu.org> | 2012-10-09 20:37:11 +0000 |
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committer | Steven Bosscher <steven@gcc.gnu.org> | 2012-10-09 20:37:11 +0000 |
commit | aa4723d7f56dd0c690c514b50c917c827a3d56dd (patch) | |
tree | 784313dcb1809538918556fac30dbf561f9d8332 /gcc/basic-block.h | |
parent | ca4277584fa6e046279dd3e75fdaa53881d9eaf3 (diff) | |
download | gcc-aa4723d7f56dd0c690c514b50c917c827a3d56dd.tar.gz |
* basic-block. (profile_record): New struct, moved from passes.c.
* cfghooks.h (struct cfg_hooks) <account_profile_record>: New hook.
(account_profile_record): New prototype.
* cfghooks.c (account_profile_record): New function.
* tree-cfg.c (gimple_account_profile_record): New function
(gimple_cfg_hooks): Add it.
* cfgrtl.c (rtl_account_profile_record): New function
(rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Add it.
* passes.c (check_profile_consistency): Simplify. Move IR-dependent
code around using cfghooks machinery.
From-SVN: r192271
Diffstat (limited to 'gcc/basic-block.h')
-rw-r--r-- | gcc/basic-block.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/basic-block.h b/gcc/basic-block.h index a5491b03011..61351fb248d 100644 --- a/gcc/basic-block.h +++ b/gcc/basic-block.h @@ -101,6 +101,37 @@ typedef struct gcov_working_set_info gcov_type min_counter; } gcov_working_set_t; +/* Structure to gather statistic about profile consistency, per pass. + An array of this structure, indexed by pass static number, is allocated + in passes.c. The structure is defined here so that different CFG modes + can do their book-keeping via CFG hooks. + + For every field[2], field[0] is the count before the pass runs, and + field[1] is the post-pass count. This allows us to monitor the effect + of each individual pass on the profile consistency. + + This structure is not supposed to be used by anything other than passes.c + and one CFG hook per CFG mode. */ +struct profile_record +{ + /* The number of basic blocks where sum(freq) of the block's predecessors + doesn't match reasonably well with the incoming frequency. */ + int num_mismatched_freq_in[2]; + /* Likewise for a basic block's successors. */ + int num_mismatched_freq_out[2]; + /* The number of basic blocks where sum(count) of the block's predecessors + doesn't match reasonably well with the incoming frequency. */ + int num_mismatched_count_in[2]; + /* Likewise for a basic block's successors. */ + int num_mismatched_count_out[2]; + /* A weighted cost of the run-time of the function body. */ + gcov_type time[2]; + /* A weighted cost of the size of the function body. */ + int size[2]; + /* True iff this pass actually was run. */ + bool run; +}; + /* Declared in cfgloop.h. */ struct loop; |