Method getTensor

express/Expr.cpp:618–625

    return mFrom->outputName(mFromIndex);
}
const Tensor* Variable::getTensor() const {
    auto inside      = mFrom->inside();
    auto inputTensor = inside->mOutputTensors[mFromIndex];
    if (nullptr != inside->mCache) {
        inputTensor = inside->mCache->getSession()->getTensor(inside->mCacheOffset + mFromIndex);
    }
    return inputTensor;
}
bool Variable::input(VARP src) {
    if (nullptr != mFrom->get()) {
        MNN_ERROR("Can't input to no-input op\n");