flowchart TD
    pattern(Rewriter pattern)  --> generic_pattern(Unify pattern classes) --> passes(Rewriter passes)
    script(Replace ONNX Script IR) --> value(Change `Op.__cal__` to return `Value`)
    script(Replace ONNX Script IR) --> dtype(Update and unify the data types)
    torchlib(Update torchlib to use IR) --> trace(Unify with ONNX Script trace mode)