1340     SmallVectorImpl<MemoryAccess *> &VersionStack,  in optimizeUsesInBlock()  argument
1352         !VersionStack.empty() &&  in optimizeUsesInBlock()
1354     BasicBlock *BackBlock = VersionStack.back()->getBlock();  in optimizeUsesInBlock()
1357     while (VersionStack.back()->getBlock() == BackBlock)  in optimizeUsesInBlock()
1358       VersionStack.pop_back();  in optimizeUsesInBlock()
1365       VersionStack.push_back(&MA);  in optimizeUsesInBlock()
1400         LocInfo.LowerBoundBlock = VersionStack[0]->getBlock();  in optimizeUsesInBlock()
1411       LocInfo.LastKill = VersionStack.size() - 1;  in optimizeUsesInBlock()
1418     assert(LocInfo.LowerBound < VersionStack.size() &&  in optimizeUsesInBlock()
1420     assert(LocInfo.LastKill < VersionStack.size() &&  in optimizeUsesInBlock()
1423     unsigned long UpperBound = VersionStack.size() - 1;  in optimizeUsesInBlock()
1439       if (isa<MemoryPhi>(VersionStack[UpperBound])) {  in optimizeUsesInBlock()
1444         while (VersionStack[UpperBound] != Result) {  in optimizeUsesInBlock()
1452       MemoryDef *MD = cast<MemoryDef>(VersionStack[UpperBound]);  in optimizeUsesInBlock()
1468       if (MSSA->isLiveOnEntryDef(VersionStack[UpperBound]))  in optimizeUsesInBlock()
1470       MU->setDefiningAccess(VersionStack[UpperBound], true, LocInfo.AR);  in optimizeUsesInBlock()
1475       MU->setDefiningAccess(VersionStack[LocInfo.LastKill], true, LocInfo.AR);  in optimizeUsesInBlock()
1477     LocInfo.LowerBound = VersionStack.size() - 1;  in optimizeUsesInBlock()
1484   SmallVector<MemoryAccess *, 16> VersionStack;  in optimizeUses()  local
1486   VersionStack.push_back(MSSA->getLiveOnEntryDef());  in optimizeUses()
1492     optimizeUsesInBlock(DomNode->getBlock(), StackEpoch, PopEpoch, VersionStack,  in optimizeUses()