code: def make_add_relu_pattern():
      r"""Create a pattern to match the following graph.
  
       add
        |
      relu
      """
      add_node = wildcard() + wildcard()
      r = is_op("nn.relu")(add_node)
      return r
  
imports: import pytest
  import tvm
  from tvm import relay, tir
  from tvm.relay.dataflow_pattern import TuplePattern, TupleGetItemPattern, is_op, wildcard
  from tvm.relay.testing import run_opt_pass
label_desc: Use image node_id 2 for calling a global function with example usage: make_add_relu_pattern() and returns: r