The number of live nodes in the graph, excluding the Source and Sink nodes.
| 652 | |
| 653 | // The number of live nodes in the graph, excluding the Source and Sink nodes. |
| 654 | int num_op_nodes() const { |
| 655 | DCHECK_GE(num_nodes_, 2); |
| 656 | return num_nodes_ - 2; |
| 657 | } |
| 658 | |
| 659 | // The number of live edges in the graph. |
| 660 | // |