code: def build(mod, target, target_host=None):
      """Backend build function.
  
      Parameters
      ----------
      mod : tvm.IRModule or Dict[str, tvm.IRModule]
          Input module
  
      target : tvm.Target
          The target to run the code on.
  
      target_host : tvm.Target
          The host target.
  
      Returns
      -------
      module : tvm.Module
          The runtime module.
      """
      target_host = None if target_host == "" else target_host
      return tvm.driver.build(
          mod, target=target, target_host=target_host
      )
  
imports: import tvm._ffi
  import tvm.driver
label_desc: Use image node_id 1 for calling a global function with example usage: build(mod, target, target_host) and returns: tvm