}

          // Change b).
          if (HasNodeAttr(copy->def(), kXlaHasHostTransferAttrName)) {
            (*host_graph)->AddControlEdge(copy, sequencer);
          }
        },
        NodeComparatorID());

    if (!s.ok()) {
      return s;
    }
  }
  // Reset "_device_ordinal" to placeholder value.
  TF_RETURN_IF_ERROR(ResetDeviceOrdinalToPlaceholderValue(host_graph->get()));