2298   for (size_t matrix_index = 0; matrix_index != num_phi_placeholders; ++matrix_index) {  in MaterializeLoopPhis()  local
2304     current_dependencies->SetBit(matrix_index);  // Count the Phi placeholder as its own dependency.  in MaterializeLoopPhis()
2306         GetPhiPlaceholderAt(phi_placeholder_indexes[matrix_index]);  in MaterializeLoopPhis()
2335   for (size_t matrix_index = 0; matrix_index != num_phi_placeholders; ++matrix_index) {  in MaterializeLoopPhis()  local
2336     num_dependencies.push_back(dependencies[matrix_index]->NumSetBits());  in MaterializeLoopPhis()
2351     for (uint32_t matrix_index : current_dependencies->Indexes()) {  in MaterializeLoopPhis()  local
2352       current_subset.push_back(phi_placeholder_indexes[matrix_index]);  in MaterializeLoopPhis()
2358       for (uint32_t matrix_index = 0; matrix_index != num_phi_placeholders; ++matrix_index) {  in MaterializeLoopPhis()  local
2359         if (dependencies[matrix_index]->IsBitSet(current_matrix_index)) {  in MaterializeLoopPhis()
2360           DCHECK(phi_placeholder_replacements_[phi_placeholder_indexes[matrix_index]].IsInvalid());  in MaterializeLoopPhis()
2361           phi_placeholder_replacements_[phi_placeholder_indexes[matrix_index]] =  in MaterializeLoopPhis()
2367     for (uint32_t matrix_index = 0; matrix_index != num_phi_placeholders; ++matrix_index) {  in MaterializeLoopPhis()  local
2368       if (current_dependencies->IsBitSet(matrix_index)) {  in MaterializeLoopPhis()
2371         num_dependencies[matrix_index] = num_phi_placeholders;  in MaterializeLoopPhis()
2372       } else if (dependencies[matrix_index]->IsBitSet(current_matrix_index)) {  in MaterializeLoopPhis()
2374         dependencies[matrix_index]->Subtract(current_dependencies);  in MaterializeLoopPhis()
2375         num_dependencies[matrix_index] -= current_num_dependencies;  in MaterializeLoopPhis()