ir_version: 3 producer_name: "nGraph ONNX Importer" graph { node { input: "value0" input: "value1" output: "output" op_type: "Concat" attribute { name: "axis" i: 0 type: INT } } name: "test_concat_1d_axis_0" input { name: "value0" type { tensor_type { elem_type: 1 shape { dim { dim_value: 2 } } } } } input { name: "value1" type { tensor_type { elem_type: 1 shape { dim { dim_value: 2 } } } } } output { name: "output" type { tensor_type { elem_type: 1 shape { dim { dim_value: 4 } } } } } } opset_import { version: 7 }