def METHOD_NAME(args):
    mlir_file = to_vast_mlir(args.lang, args.source)
    llvm_ir_file = to_llvm_ir(mlir_file)
    args = ['clang', llvm_ir_file, '-o' , args.vast_out]
    pipes = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
    check_retcode('vast-clang-recompile', pipes)