ir_version: 3 producer_name: "nGraph ONNX Importer" graph { node { input: "A" input: "B" output: "X" name: "add_node1" op_type: "Add" } node { input: "X" input: "C" output: "Y" name: "add_node2" op_type: "Add" } name: "test_graph" input { name: "A" type { tensor_type { elem_type: 1 shape { dim { dim_value: 1 } } } } } input { name: "B" type { tensor_type { elem_type: 1 shape { dim { dim_value: 1 } } } } } input { name: "C" type { tensor_type { elem_type: 1 shape { dim { dim_value: 1 } } } } } output { name: "Y" type { tensor_type { elem_type: 1 shape { dim { dim_value: 1 } } } } } } opset_import { version: 4 }