239            << Cg.numNodes() << " to " << HotChains.size() << "\n";  in run()
248     llvm::stable_sort(HotChains, DensityComparator);  in run()
253     Clusters.reserve(HotChains.size());  in run()
254     for (Chain *Chain : HotChains)  in run()
266     HotChains.reserve(Cg.numNodes());  in initialize()
273       HotChains.push_back(&AllChains.back());  in initialize()
310     for (Chain *&Chain : HotChains) {  in initialize()
426     for (Chain *ChainPred : HotChains) {  in runPassOne()
490     for (Chain *ChainPred : HotChains) {  in runPassTwo()
570     llvm::erase_value(HotChains, From);  in mergeChains()
581   std::vector<Chain *> HotChains;  member in llvm::bolt::__anonbf028ece0111::HFSortPlus