code: def _c_to_llvm(c_code: str) -> str:
      unique_filename = str(uuid.uuid4())
      temp = utils.tempdir()
      ll_path = temp.relpath(f"{unique_filename}.ll")
      ll_code = clang.create_llvm([c_code], output=ll_path)
      return ll_code
  
file_path: tvm/python/tvm/relay/backend/contrib/uma/api/utils.py
imports: from enum import Enum, auto
  import uuid
  import tvm
  import tvm.tir
  from tvm.contrib import utils, clang
label_desc: Use image node_id 2 for calling a global function with example usage: _c_to_llvm(c_code) and returns: ll_code