1579     Value pred_value =  in MergePredecessorValues()  local
1581     if (pred_value.Equals(merged_value)) {  in MergePredecessorValues()
1584     } else if (pred_value.IsUnknown() || merged_value.IsUnknown()) {  in MergePredecessorValues()
1596       bool needs_loop_phi = merged_value.NeedsLoopPhi() || pred_value.NeedsLoopPhi();  in MergePredecessorValues()
1718       Value pred_value = ReplacementOrValue(heap_values_for_[predecessor->GetBlockId()][idx].value);  in MaterializeNonLoopPhis()  local
1719       DCHECK(!pred_value.IsPureUnknown()) << pred_value << " block " << current_block->GetBlockId()  in MaterializeNonLoopPhis()
1721       if (pred_value.NeedsNonLoopPhi() ||  in MaterializeNonLoopPhis()
1722           (current_phase_ == Phase::kPartialElimination && pred_value.IsMergedUnknown())) {  in MaterializeNonLoopPhis()
1724         work_queue.push_back(pred_value.GetPhiPlaceholder());  in MaterializeNonLoopPhis()
1725       } else if (pred_value.IsDefault()) {  in MaterializeNonLoopPhis()
1728         DCHECK(pred_value.IsInstruction()) << pred_value << " block " << current_block->GetBlockId()  in MaterializeNonLoopPhis()
1730         phi_inputs.push_back(pred_value.GetInstruction());  in MaterializeNonLoopPhis()
2311       Value pred_value = ReplacementOrValue(heap_values_for_[predecessor->GetBlockId()][idx].value);  in MaterializeLoopPhis()  local
2312       if (pred_value.NeedsLoopPhi()) {  in MaterializeLoopPhis()
2313         size_t pred_value_index = PhiPlaceholderIndex(pred_value);  in MaterializeLoopPhis()
2316         current_dependencies->SetBit(matrix_indexes[PhiPlaceholderIndex(pred_value)]);  in MaterializeLoopPhis()