1651   ScopedArenaVector<PhiPlaceholder> work_queue(allocator.Adapter(kArenaAllocLSE));  in MaterializeNonLoopPhis()  local
1652   work_queue.push_back(phi_placeholder);  in MaterializeNonLoopPhis()
1653   while (!work_queue.empty()) {  in MaterializeNonLoopPhis()
1654     PhiPlaceholder current_phi_placeholder = work_queue.back();  in MaterializeNonLoopPhis()
1659       work_queue.pop_back();  in MaterializeNonLoopPhis()
1681         work_queue.push_back(pred_value.GetPhiPlaceholder());  in MaterializeNonLoopPhis()
1695       DCHECK_EQ(current_phi_placeholder, work_queue.back());  in MaterializeNonLoopPhis()
1696       work_queue.pop_back();  in MaterializeNonLoopPhis()
1873   ScopedArenaVector<PhiPlaceholder> work_queue(allocator.Adapter(kArenaAllocLSE));  in TryReplacingLoopPhiPlaceholderWithDefault()  local
1879   work_queue.push_back(phi_placeholder);  in TryReplacingLoopPhiPlaceholderWithDefault()
1880   while (!work_queue.empty()) {  in TryReplacingLoopPhiPlaceholderWithDefault()
1881     PhiPlaceholder current_phi_placeholder = work_queue.back();  in TryReplacingLoopPhiPlaceholderWithDefault()
1882     work_queue.pop_back();  in TryReplacingLoopPhiPlaceholderWithDefault()
1892           work_queue.push_back(value.GetPhiPlaceholder());  in TryReplacingLoopPhiPlaceholderWithDefault()
1927               work_queue.push_back(value.GetPhiPlaceholder());  in TryReplacingLoopPhiPlaceholderWithDefault()
1962   ScopedArenaVector<PhiPlaceholder> work_queue(allocator.Adapter(kArenaAllocLSE));  in TryReplacingLoopPhiPlaceholderWithSingleInput()  local
1968   work_queue.push_back(phi_placeholder);  in TryReplacingLoopPhiPlaceholderWithSingleInput()
1969   while (!work_queue.empty()) {  in TryReplacingLoopPhiPlaceholderWithSingleInput()
1970     PhiPlaceholder current_phi_placeholder = work_queue.back();  in TryReplacingLoopPhiPlaceholderWithSingleInput()
1971     work_queue.pop_back();  in TryReplacingLoopPhiPlaceholderWithSingleInput()
1981           work_queue.push_back(value.GetPhiPlaceholder());  in TryReplacingLoopPhiPlaceholderWithSingleInput()
2024   ScopedArenaVector<PhiPlaceholder> work_queue(allocator.Adapter(kArenaAllocLSE));  in FindLoopPhisToMaterialize()  local
2030   work_queue.push_back(phi_placeholder);  in FindLoopPhisToMaterialize()
2031   while (!work_queue.empty()) {  in FindLoopPhisToMaterialize()
2032     PhiPlaceholder current_phi_placeholder = work_queue.back();  in FindLoopPhisToMaterialize()
2033     work_queue.pop_back();  in FindLoopPhisToMaterialize()
2098           work_queue.push_back(value.GetPhiPlaceholder());  in FindLoopPhisToMaterialize()
2595   ScopedArenaVector<uint32_t> work_queue(allocator_.Adapter(kArenaAllocLSE));  in SearchPhiPlaceholdersForKeptStores()  local
2597   work_queue.reserve(((start_size * 3u) + 1u) / 2u);  // Reserve 1.5x start size, rounded up.  in SearchPhiPlaceholdersForKeptStores()
2599     work_queue.push_back(index);  in SearchPhiPlaceholdersForKeptStores()
2602   while (!work_queue.empty()) {  in SearchPhiPlaceholdersForKeptStores()
2603     uint32_t cur_phi_idx = work_queue.back();  in SearchPhiPlaceholdersForKeptStores()
2605     work_queue.pop_back();  in SearchPhiPlaceholdersForKeptStores()
2626               work_queue.push_back(phi_placeholder_index);  in SearchPhiPlaceholdersForKeptStores()