code: def build_ref_module(relay_mod):
      target_llvm = tvm.target.Target("llvm")
      with tvm.transform.PassContext(opt_level=3):
          exe_mod = tvm.relay.build(
              relay_mod,
              tvm.target.Target(target_llvm, host=target_llvm),
              executor=Executor("aot"),
          )
      return exe_mod
  
imports: import numpy
  import tvm.testing
  import tvm.topi.testing
  from tvm import relay
  from tvm.contrib.hexagon.session import Session
  from tvm.contrib.hexagon.pytest_plugin import HEXAGON_AOT_LLVM_TARGET
  from tvm.relay.backend import Executor
  from tvm.relay.testing import run_opt_pass, run_infer_type
  from .infrastructure import quantize_np
label_desc: Use image node_id 3 for calling a global function with example usage: build_ref_module(relay_mod) and returns: exe_mod