maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[RegisterBankInfo] Add statistics for dynamic value mappings. 

Like partial mappings, as we move toward TableGen'ed information, the
number should reach zero eventually.

llvm-svn: 282325
This commit is contained in:
Quentin Colombet 2016-09-24 04:53:55 +00:00
parent fd8c95adf4
commit a50813f608
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
llvm/lib/CodeGen/GlobalISel/RegisterBankInfo.cpp
View File

@ -37,6 +37,10 @@ STATISTIC(NumPartialMappingsCreated,
"Number of partial mappings dynamically created");
STATISTIC(NumPartialMappingsAccessed,
"Number of partial mappings dynamically accessed");
STATISTIC(NumValueMappingsCreated,
"Number of value mappings dynamically created");
STATISTIC(NumValueMappingsAccessed,
"Number of value mappings dynamically accessed");
const unsigned RegisterBankInfo::DefaultMappingID = UINT_MAX;
const unsigned RegisterBankInfo::InvalidMappingID = UINT_MAX - 1;
@ -364,10 +368,14 @@ RegisterBankInfo::getValueMapping(const PartialMapping *BreakDown,
Hash = hash_combine_range(Hashes.begin(), Hashes.end());
}
++NumValueMappingsAccessed;
const auto &It = MapOfValueMappings.find(Hash);
if (It != MapOfValueMappings.end())
return *It->second;
++NumValueMappingsCreated;
ValueMapping *&ValMapping = MapOfValueMappings[Hash];
ValMapping = new ValueMapping{BreakDown, NumBreakDowns};
return *ValMapping;