code: def test_tensor_comm_reducer_overload():
      m = te.size_var("m")
      n = te.size_var("n")
      mysum = te.comm_reducer(
          lambda x, y: x + y, lambda t: tvm.tir.const(0, dtype=t)
      )
      sum_res = mysum(m, n)
  
imports: import numpy
  import tvm
  import tvm.testing
  from tvm import te
  from tvm.topi.nn.pooling import pool2d
label_desc: Use image node_id 7 for calling a global function with example usage: test_tensor_comm_reducer_overload() without return types