ir_version: 3 producer_name: "nGraph ONNX Importer" graph { node { input: "A" output: "B" name: "missing_op_node1" op_type: "FakeOpName" } node { input: "B" output: "C" name: "missing_op_node2" op_type: "AnotherFakeOpName" } node { input: "C" output: "X" name: "supported_op" op_type: "Abs" } name: "test_graph" input { name: "A" type { tensor_type { elem_type: 1 shape { dim { dim_value: 1 } } } } } output { name: "X" type { tensor_type { elem_type: 1 shape { dim { dim_value: 1 } } } } } } opset_import { version: 8 }