arrShapeTys :: Repr -> VM [Type]
arrShapeTys (SumRepr {})
= do
- uarr <- builtin uarrTyCon
- return [intPrimTy, mkTyConApp uarr [intTy]]
+ int_arr <- builtin parrayIntPrimTyCon
+ return [intPrimTy, mkTyConApp int_arr [], mkTyConApp int_arr []]
arrShapeTys repr = return [intPrimTy]
arrShapeVars :: Repr -> VM [Var]
arrShapeVars repr = mapM (newLocalVar FSLIT("sh")) =<< arrShapeTys repr
-arrReprTys :: Repr -> VM [[Type]]
-arrReprTys (SumRepr { sum_components = prods })
- = mapM arrProdTys prods
-arrReprTys prod
+replicateShape :: Repr -> CoreExpr -> CoreExpr -> VM [CoreExpr]
+replicateShape (ProdRepr {}) len _ = return [len]
+replicateShape (SumRepr {}) len tag
= do
- tys <- arrProdTys prod
- return [tys]
+ rep <- builtin replicatePAIntPrimVar
+ up <- builtin upToPAIntPrimVar
+ return [len, Var rep `mkApps` [len, tag], Var up `App` len]
-arrProdTys (ProdRepr { prod_components = tys })
- = mapM mkPArrayType (mk_types tys)
- where
- mk_types [] = [unitTy]
- mk_types tys = tys
+arrReprElemTys :: Repr -> [[Type]]
+arrReprElemTys (SumRepr { sum_components = prods })
+ = map arrProdElemTys prods
+arrReprElemTys prod@(ProdRepr {})
+ = [arrProdElemTys prod]
+
+arrProdElemTys (ProdRepr { prod_components = [] })
+ = [unitTy]
+arrProdElemTys (ProdRepr { prod_components = tys })
+ = tys
+
+arrReprTys :: Repr -> VM [[Type]]
+arrReprTys = mapM (mapM mkPArrayType) . arrReprElemTys
arrReprVars :: Repr -> VM [[Var]]
arrReprVars repr
mkPADFun vect_tc
= newExportedVar (mkPADFunOcc $ getOccName vect_tc) =<< paDFunType vect_tc
-data Shape = Shape {
- shapeReprTys :: [Type]
- , shapeStrictness :: [StrictnessMark]
- , shapeLength :: [CoreExpr] -> VM CoreExpr
- , shapeReplicate :: CoreExpr -> CoreExpr -> VM [CoreExpr]
- }
-
-tyConShape :: TyCon -> VM Shape
-tyConShape vect_tc
- | isProductTyCon vect_tc
- = return $ Shape {
- shapeReprTys = [intPrimTy]
- , shapeStrictness = [NotMarkedStrict]
- , shapeLength = \[len] -> return len
- , shapeReplicate = \len _ -> return [len]
- }
-
- | otherwise
- = do
- repr_ty <- mkPArrayType intTy -- FIXME: we want to unbox this
- return $ Shape {
- shapeReprTys = [repr_ty]
- , shapeStrictness = [MarkedStrict]
- , shapeLength = \[sel] -> lengthPA sel
- , shapeReplicate = \len n -> do
- e <- replicatePA len n
- return [e]
- }
-
buildTyConBindings :: TyCon -> TyCon -> TyCon -> TyCon -> Var
-> VM [(Var, CoreExpr)]
buildTyConBindings orig_tc vect_tc prepr_tc arr_tc dfun
= do
- shape <- tyConShape vect_tc
repr <- mkRepr vect_tc
- sequence_ (zipWith4 (vectDataConWorker shape vect_tc arr_tc arr_dc)
- orig_dcs
- vect_dcs
- (inits repr_tys)
- (tails repr_tys))
+ vectDataConWorkers repr orig_tc vect_tc arr_tc
dict <- buildPADict repr vect_tc prepr_tc arr_tc dfun
binds <- takeHoisted
return $ (dfun, dict) : binds
repr_tys = map dataConRepArgTys vect_dcs
-vectDataConWorker :: Shape -> TyCon -> TyCon -> DataCon
- -> DataCon -> DataCon -> [[Type]] -> [[Type]]
- -> VM ()
-vectDataConWorker shape vect_tc arr_tc arr_dc orig_dc vect_dc pre (dc_tys : post)
+vectDataConWorkers :: Repr -> TyCon -> TyCon -> TyCon
+ -> VM ()
+vectDataConWorkers repr orig_tc vect_tc arr_tc
= do
- clo <- closedV
- . inBind orig_worker
- . polyAbstract tvs $ \abstract ->
- liftM (abstract . vectorised)
- $ buildClosures tvs [] dc_tys res_ty (liftM2 (,) mk_vect mk_lift)
-
- worker <- cloneId mkVectOcc orig_worker (exprType clo)
- hoistBinding worker clo
- defGlobalVar orig_worker worker
- return ()
+ bs <- sequence
+ . zipWith3 def_worker (tyConDataCons orig_tc) rep_tys
+ $ zipWith4 mk_data_con (tyConDataCons vect_tc)
+ rep_tys
+ (inits arr_tys)
+ (tail $ tails arr_tys)
+ mapM_ (uncurry hoistBinding) bs
where
- tvs = tyConTyVars vect_tc
- arg_tys = mkTyVarTys tvs
- res_ty = mkTyConApp vect_tc arg_tys
-
- orig_worker = dataConWorkId orig_dc
-
- mk_vect = return . mkConApp vect_dc $ map Type arg_tys
- mk_lift = do
- len <- newLocalVar FSLIT("n") intPrimTy
- arr_tys <- mapM mkPArrayType dc_tys
- args <- mapM (newLocalVar FSLIT("xs")) arr_tys
- shapes <- shapeReplicate shape
- (Var len)
- (mkDataConTag vect_dc)
-
- empty_pre <- mapM emptyPA (concat pre)
- empty_post <- mapM emptyPA (concat post)
-
- return . mkLams (len : args)
- . wrapFamInstBody arr_tc arg_tys
- . mkConApp arr_dc
- $ map Type arg_tys ++ shapes
- ++ empty_pre
- ++ map Var args
- ++ empty_post
+ tyvars = tyConTyVars vect_tc
+ var_tys = mkTyVarTys tyvars
+ ty_args = map Type var_tys
+
+ res_ty = mkTyConApp vect_tc var_tys
+
+ rep_tys = map dataConRepArgTys $ tyConDataCons vect_tc
+ arr_tys = arrReprElemTys repr
+
+ [arr_dc] = tyConDataCons arr_tc
+
+ mk_data_con con tys pre post
+ = liftM2 (,) (vect_data_con con)
+ (lift_data_con tys (concat pre)
+ (concat post)
+ (mkDataConTag con))
+
+ vect_data_con con = return $ mkConApp con ty_args
+ lift_data_con tys pre_tys post_tys tag
+ = do
+ len <- builtin liftingContext
+ args <- mapM (newLocalVar FSLIT("xs"))
+ =<< mapM mkPArrayType tys
+
+ shape <- replicateShape repr (Var len) tag
+ repr <- mk_arr_repr (Var len) (map Var args)
+
+ pre <- mapM emptyPA pre_tys
+ post <- mapM emptyPA post_tys
+
+ return . mkLams (len : args)
+ . wrapFamInstBody arr_tc var_tys
+ . mkConApp arr_dc
+ $ ty_args ++ shape ++ pre ++ repr ++ post
+
+ mk_arr_repr len []
+ = do
+ units <- replicatePA len (Var unitDataConId)
+ return [units]
+
+ mk_arr_repr len arrs = return arrs
+
+ def_worker data_con arg_tys mk_body
+ = do
+ body <- closedV
+ . inBind orig_worker
+ . polyAbstract tyvars $ \abstract ->
+ liftM (abstract . vectorised)
+ $ buildClosures tyvars [] arg_tys res_ty mk_body
+
+ vect_worker <- cloneId mkVectOcc orig_worker (exprType body)
+ defGlobalVar orig_worker vect_worker
+ return (vect_worker, body)
+ where
+ orig_worker = dataConWorkId data_con
buildPADict :: Repr -> TyCon -> TyCon -> TyCon -> Var -> VM CoreExpr
buildPADict repr vect_tc prepr_tc arr_tc dfun
projects / ghc-hetmet.git / blobdiff