++ "module GHC.PrimopWrappers where\n"
++ "import qualified GHC.Prim\n"
++ unlines (map f (filter (not.dodgy) (filter is_primop entries)))
++ "module GHC.PrimopWrappers where\n"
++ "import qualified GHC.Prim\n"
++ unlines (map f (filter (not.dodgy) (filter is_primop entries)))