1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_PACKAGES_MODULES_NEURALNETWORKS_COMMON_MODEL_UTILS_H 18 #define ANDROID_PACKAGES_MODULES_NEURALNETWORKS_COMMON_MODEL_UTILS_H 19 20 #include "nnapi/Types.h" 21 22 namespace android::nn { 23 24 /** 25 * @brief Removes all dead operands from the main subgraph. 26 * 27 * This function is intended as a cleanup after references to operands are removed from a valid 28 * model (e.g., after an operation is removed), possibly causing the model to be invalid. Calling 29 * removeDeadOperands will restore it as a valid model. 30 * 31 * @pre model != nullptr 32 * 33 * @param model The model to have dead operands removed. 34 */ 35 void removeDeadOperands(Model* model); 36 37 } // namespace android::nn 38 39 #endif // ANDROID_PACKAGES_MODULES_NEURALNETWORKS_COMMON_MODEL_UTILS_H 40