code: def _make_mutator(target: Target) -> ms.Mutator:
      ctx = ms.TuneContext(
          mod=add,
          target=target,
          space_generator=ms.space_generator.PostOrderApply(
              sch_rules=[],
              postprocs=[],
              mutator_probs={ms.mutator.MutateComputeLocation(): 1.0},
          ),
      )
      return list(ctx.space_generator.mutator_probs.keys())[0]
  
file_path: tvm/tests/python/meta_schedule/test_meta_schedule_mutator_mutate_compute_location.py
imports: from tvm import meta_schedule
  from tvm.script import tir
  from tvm.target import Target
  from tvm.tir import Schedule
label_desc: Use image node_id 3 for calling a global function with example usage: _make_mutator(target) and returns: list