139   Node* control_;  variable
305       label->control_ = graph()->NewNode(common()->Loop(2), current_control_,  in MergeState()
308                                         current_effect_, label->control_);  in MergeState()
310                                          label->control_);  in MergeState()
315             var_array[i + 1], label->control_);  in MergeState()
320       label->control_->ReplaceInput(1, current_control_);  in MergeState()
331       label->control_ = current_control_;  in MergeState()
338       label->control_ = graph()->NewNode(common()->Merge(2), label->control_,  in MergeState()
341                                         current_effect_, label->control_);  in MergeState()
345             var_array[i + 1], label->control_);  in MergeState()
349       DCHECK_EQ(IrOpcode::kMerge, label->control_->opcode());  in MergeState()
350       label->control_->AppendInput(graph()->zone(), current_control_);  in MergeState()
351       NodeProperties::ChangeOp(label->control_,  in MergeState()
356       label->effect_->AppendInput(graph()->zone(), label->control_);  in MergeState()
363         label->bindings_[i]->AppendInput(graph()->zone(), label->control_);  in MergeState()
379   current_control_ = label->control_;  in Bind()