code: def get_root_call(call, root_op_name):
      if not isinstance(call, relay.Call):
          return None
      if str(call.op.name) == root_op_name:
          return call
      return get_root_call(call.args[0], root_op_name)
  
imports: from functools import partial
  from tvm import relay
  from tvm.ir.transform import PassContext, Sequential
  from tvm.relay import transform
  from tvm.relay.build_module import bind_params_by_name
  from tvm.relay.op.contrib.register import register_pattern_table
  from ...dataflow_pattern import is_constant, is_op, wildcard
label_desc: Use image node_id 9 for calling a global function with example usage: get_root_call(call, root_op_name) and returns: get_root_call, None, call