def METHOD_NAME():
    """create cpu add op lib"""
    n = te.var("n")
    ph_a = te.placeholder((n,), name="ph_a")
    ph_b = te.placeholder((n,), name="ph_b")
    ph_c = te.compute(ph_a.shape, lambda i: ph_a[i] + ph_b[i], name="ph_c")
    sched = te.create_schedule(ph_c.op)
    fadd_dylib = tvm.build(sched, [ph_a, ph_b, ph_c], "c", name="vector_add")
    lib_path = tempfile.mktemp("tvm_add_dll.so")
    fadd_dylib.export_library(lib_path)
    return lib_path