提示Warning,最后波形没任何变化怎么办:
Warning-[SDFCOM_IANE] IOPATH Annotation Not Enabled
./test.sdf, 16
module: sub, "instance: test.Y"
SDF Warning: Cannot find matching IOPATH in the corresponding instance and
module.
Please make sure that specify block exists and IOPATH annotation is not
disabled in configuration file.