127   SetVector<Block *> toProcess;  in buildBlockMapping()  local
134       toProcess.insert(block->pred_begin(), block->pred_end());  in buildBlockMapping()
138   while (!toProcess.empty()) {  in buildBlockMapping()
139     Block *current = toProcess.pop_back_val();  in buildBlockMapping()
147       toProcess.insert(current->pred_begin(), current->pred_end());  in buildBlockMapping()
180   SmallVector<Block *, 8> toProcess;  in resolveLiveness()  local
188   toProcess.push_back(currentBlock);  in resolveLiveness()
195       toProcess.push_back(useBlock);  in resolveLiveness()
198   while (!toProcess.empty()) {  in resolveLiveness()
200     Block *block = toProcess.back();  in resolveLiveness()
201     toProcess.pop_back();  in resolveLiveness()
217         toProcess.push_back(successor);  in resolveLiveness()