Function get_output_var_shape

src/core/test/graph/misc.cpp:88–94

MGB_DEFINE_OPR_CLASS(
        WorkspaceAllocTestOpr, cg::SingleCNOutshapePureByInshapeOprBase) // {
    void get_output_var_shape(
            const TensorShapeArray& inp_shape,
            TensorShapeArray& out_shape) const override {
        MGB_MARK_USED_VAR(inp_shape);
        out_shape.at(0) = {2};
        out_shape.at(1) = {3};
    }

    void scn_do_execute() override {
        ASSERT_EQ(TensorShape{2}, output(0)->dev_tensor().shape());