use new program based ssimplifier interface for initial optimization pass
use new program based ssimplifier interface for initial optimization pass

darcs-hash:20060411113818-1a7c6-8b44c841fa0dae420b8a3cf651f9a0dc878053fc

kirbyfan64/jhc,kirbyfan64/jhc,kirbyfan64/jhc,kirbyfan64/jhc