buildPArrayDataCon orig_name vect_tc repr_tc
= do
dc_name <- cloneName mkPArrayDataConOcc orig_name
- shape <- tyConShape vect_tc
- repr_tys <- mapM mkPArrayType types
+ repr <- mkTyConRepr vect_tc
+
+ let all_tys = arr_shape_tys repr ++ concat (arr_repr_tys repr)
liftDs $ buildDataCon dc_name
False -- not infix
- (shapeStrictness shape ++ map (const NotMarkedStrict) repr_tys)
+ (map (const NotMarkedStrict) all_tys)
[] -- no field labels
(tyConTyVars vect_tc)
[] -- no existentials
[] -- no eq spec
[] -- no context
- (shapeReprTys shape ++ repr_tys)
+ all_tys
repr_tc
- where
- types = [ty | dc <- tyConDataCons vect_tc
- , ty <- dataConRepArgTys dc]
mkPADFun :: TyCon -> VM Var
mkPADFun vect_tc
import Name ( Name )
import PrelNames
import TysWiredIn
+import TysPrim ( intPrimTy )
import BasicTypes ( Boxity(..) )
import Outputable
data TyConRepr = TyConRepr {
repr_tyvars :: [TyVar]
, repr_tys :: [[Type]]
+ , arr_shape_tys :: [Type]
+ , arr_repr_tys :: [[Type]]
, repr_prod_tycons :: [Maybe TyCon]
, repr_prod_data_cons :: [Maybe DataCon]
mkTyConRepr :: TyCon -> VM TyConRepr
mkTyConRepr vect_tc
= do
- prod_tycons <- mapM (mk_tycon prodTyCon) rep_tys
+ uarr <- builtin uarrTyCon
+ prod_tycons <- mapM (mk_tycon prodTyCon) rep_tys
let prod_tys = zipWith mk_tc_app_maybe prod_tycons rep_tys
- sum_tycon <- mk_tycon sumTyCon prod_tys
+ sum_tycon <- mk_tycon sumTyCon prod_tys
+ arr_repr_tys <- mapM (mapM mkPArrayType . arr_repr_elem_tys) rep_tys
return $ TyConRepr {
repr_tyvars = tyvars
, repr_tys = rep_tys
+ , arr_shape_tys = mk_shape uarr
+ , arr_repr_tys = arr_repr_tys
, repr_prod_tycons = prod_tycons
, repr_prod_data_cons = map (fmap mk_single_datacon) prod_tycons
data_cons = tyConDataCons vect_tc
rep_tys = map dataConRepArgTys data_cons
+ is_product | [_] <- data_cons = True
+ | otherwise = False
+
+ mk_shape uarr = intPrimTy : mk_sel uarr
+
+ mk_sel uarr | is_product = []
+ | otherwise = [uarr_int, uarr_int]
+ where
+ uarr_int = mkTyConApp uarr [intTy]
+
mk_tycon get_tc tys
| n > 1 = builtin (Just . get_tc n)
| otherwise = return Nothing
mk_tc_app_maybe Nothing [ty] = ty
mk_tc_app_maybe (Just tc) tys = mkTyConApp tc tys
+ arr_repr_elem_tys [] = [unitTy]
+ arr_repr_elem_tys tys = tys
+
mkToArrPRepr :: CoreExpr -> CoreExpr -> [[CoreExpr]] -> VM CoreExpr
mkToArrPRepr len sel ess
= do