178   SmallVector<MachineInstr *, 8> Front;  in eraseInstrWithNoUses()  local
182   Front.push_back(MI);  in eraseInstrWithNoUses()
184   while (Front.size() != 0) {  in eraseInstrWithNoUses()
185     MI = Front.back();  in eraseInstrWithNoUses()
186     Front.pop_back();  in eraseInstrWithNoUses()
359    SmallVector<MachineInstr *, 8> Front;  in elideCopiesAndPHIs()  local
360    Front.push_back(MI);  in elideCopiesAndPHIs()
361    while (Front.size() != 0) {  in elideCopiesAndPHIs()
362      MI = Front.pop_back_val();  in elideCopiesAndPHIs()
377          Front.push_back(NewMI);  in elideCopiesAndPHIs()
385        Front.push_back(NewMI);  in elideCopiesAndPHIs()