48     return !IsNullInput(operand) ? reinterpret_cast<const T*>(operand->buffer) : nullptr;  in GetOptionalBuffer()
189     params_.use_layer_norm = !IsNullInput(fw_input_layer_norm_weights_);  in BidirectionalSequenceLSTM()
244         NN_RET_CHECK(!IsNullInput(GetInput(operation, operands, requiredInput)))  in Prepare()
301         NN_RET_CHECK(IsNullInput(fw_aux_input_to_input_weights_) &&  in Prepare()
302                      IsNullInput(bw_aux_input_to_input_weights_));  in Prepare()
306             ((params_.use_cifg || !IsNullInput(fw_aux_input_to_input_weights_)) &&  in Prepare()
307              !IsNullInput(fw_aux_input_to_forget_weights_) &&  in Prepare()
308              !IsNullInput(fw_aux_input_to_cell_weights_) &&  in Prepare()
309              !IsNullInput(fw_aux_input_to_output_weights_)) ||  in Prepare()
310             (IsNullInput(fw_aux_input_to_input_weights_) &&  in Prepare()
311              IsNullInput(fw_aux_input_to_forget_weights_) &&  in Prepare()
312              IsNullInput(fw_aux_input_to_cell_weights_) &&  in Prepare()
313              IsNullInput(fw_aux_input_to_output_weights_));  in Prepare()
315             ((params_.use_cifg || !IsNullInput(bw_aux_input_to_input_weights_)) &&  in Prepare()
316              !IsNullInput(bw_aux_input_to_forget_weights_) &&  in Prepare()
317              !IsNullInput(bw_aux_input_to_cell_weights_) &&  in Prepare()
318              !IsNullInput(bw_aux_input_to_output_weights_)) ||  in Prepare()
319             (IsNullInput(bw_aux_input_to_input_weights_) &&  in Prepare()
320              IsNullInput(bw_aux_input_to_forget_weights_) &&  in Prepare()
321              IsNullInput(bw_aux_input_to_cell_weights_) &&  in Prepare()
322              IsNullInput(bw_aux_input_to_output_weights_));  in Prepare()
325     const bool has_aux_input = !IsNullInput(aux_input_);  in Prepare()
326     const bool has_fw_aux_weights = !IsNullInput(fw_aux_input_to_forget_weights_);  in Prepare()
327     const bool has_bw_aux_weights = !IsNullInput(bw_aux_input_to_forget_weights_);  in Prepare()
450     const bool has_aux_input = !IsNullInput(aux_input_);  in Eval()
451     const bool has_aux_weights = !IsNullInput(fw_aux_input_to_forget_weights_);  in Eval()