RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2025-02-14 01:20:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[RegisterCoalescer][NFC] bind a DenseMap access to a reference to avoid

Browse Source 
repeated lookup operations

llvm-svn: 355757
This commit is contained in:
Wei Mi 2019-03-08 23:29:46 +00:00
parent 5cfb65a6fb
commit 36966ef797
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
lib/CodeGen/RegisterCoalescer.cpp
View File

@ -3277,8 +3277,9 @@ void RegisterCoalescer::mergeSubRangeInto(LiveInterval &LI,
bool RegisterCoalescer::isHighCostLiveInterval(LiveInterval &LI) {
if (LI.valnos.size() < LargeIntervalSizeThreshold)
return false;
if (LargeLIVisitCounter[LI.reg] < LargeIntervalFreqThreshold) {
LargeLIVisitCounter[LI.reg]++;
auto &counter = LargeLIVisitCounter[LI.reg];
if (counter < LargeIntervalFreqThreshold) {
counter++;
return false;
}
return true;