def METHOD_NAME(self, mod, info):
    """Instrument before the pass runs.
    Called once for each pass that is run while the instrumented
    context is active.
    Parameters
    ----------
    mod : tvm.ir.module.IRModule
        The module on which an optimization pass is being run.
    info : tvm.transform.PassInfo
        The pass information.
    Returns
    -------
    None
    """