1376     auto &LocInfo = LocStackInfo[UseMLOC];  in optimizeUsesInBlock()  local
1380     if (LocInfo.PopEpoch != PopEpoch) {  in optimizeUsesInBlock()
1381       LocInfo.PopEpoch = PopEpoch;  in optimizeUsesInBlock()
1382       LocInfo.StackEpoch = StackEpoch;  in optimizeUsesInBlock()
1394       if (LocInfo.LowerBoundBlock && LocInfo.LowerBoundBlock != BB &&  in optimizeUsesInBlock()
1395           !DT->dominates(LocInfo.LowerBoundBlock, BB)) {  in optimizeUsesInBlock()
1399         LocInfo.LowerBound = 0;  in optimizeUsesInBlock()
1400         LocInfo.LowerBoundBlock = VersionStack[0]->getBlock();  in optimizeUsesInBlock()
1401         LocInfo.LastKillValid = false;  in optimizeUsesInBlock()
1403     } else if (LocInfo.StackEpoch != StackEpoch) {  in optimizeUsesInBlock()
1407       LocInfo.PopEpoch = PopEpoch;  in optimizeUsesInBlock()
1408       LocInfo.StackEpoch = StackEpoch;  in optimizeUsesInBlock()
1410     if (!LocInfo.LastKillValid) {  in optimizeUsesInBlock()
1411       LocInfo.LastKill = VersionStack.size() - 1;  in optimizeUsesInBlock()
1412       LocInfo.LastKillValid = true;  in optimizeUsesInBlock()
1413       LocInfo.AR = AliasResult::MayAlias;  in optimizeUsesInBlock()
1418     assert(LocInfo.LowerBound < VersionStack.size() &&  in optimizeUsesInBlock()
1420     assert(LocInfo.LastKill < VersionStack.size() &&  in optimizeUsesInBlock()
1425     if (UpperBound - LocInfo.LowerBound > MaxCheckLimit) {  in optimizeUsesInBlock()
1429                         << UpperBound - LocInfo.LowerBound  in optimizeUsesInBlock()
1433       LocInfo.LastKillValid = false;  in optimizeUsesInBlock()
1438     while (UpperBound > LocInfo.LowerBound) {  in optimizeUsesInBlock()
1456         LocInfo.AR = CA.AR;  in optimizeUsesInBlock()
1466     if (FoundClobberResult || UpperBound < LocInfo.LastKill) {  in optimizeUsesInBlock()
1469         LocInfo.AR = None;  in optimizeUsesInBlock()
1470       MU->setDefiningAccess(VersionStack[UpperBound], true, LocInfo.AR);  in optimizeUsesInBlock()
1471       LocInfo.LastKill = UpperBound;  in optimizeUsesInBlock()
1475       MU->setDefiningAccess(VersionStack[LocInfo.LastKill], true, LocInfo.AR);  in optimizeUsesInBlock()
1477     LocInfo.LowerBound = VersionStack.size() - 1;  in optimizeUsesInBlock()
1478     LocInfo.LowerBoundBlock = BB;  in optimizeUsesInBlock()