X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fvectorise%2FVectType.hs;h=37d65db91e29be98a950ed0499a13b8494ed66ac;hp=0a104e308a12d827b3cde7737ff7c7640435878a;hb=215ce9f15215399ce30ae55c9521087847d78646;hpb=3736e30f683990ee94055b60905cce208a467e8b diff --git a/compiler/vectorise/VectType.hs b/compiler/vectorise/VectType.hs index 0a104e3..37d65db 100644 --- a/compiler/vectorise/VectType.hs +++ b/compiler/vectorise/VectType.hs @@ -11,6 +11,7 @@ import VectCore import HscTypes ( TypeEnv, extendTypeEnvList, typeEnvTyCons ) import CoreSyn import CoreUtils +import CoreUnfold import MkCore ( mkWildCase ) import BuildTyCl import DataCon @@ -20,13 +21,13 @@ import TypeRep import Coercion import FamInstEnv ( FamInst, mkLocalFamInst ) import OccName +import Id import MkId -import BasicTypes ( StrictnessMark(..), boolToRecFlag ) -import Var ( Var, TyVar ) +import BasicTypes ( HsBang(..), boolToRecFlag, + alwaysInlinePragma, dfunInlinePragma ) +import Var ( Var, TyVar, varType ) import Name ( Name, getOccName ) import NameEnv -import TysWiredIn -import TysPrim ( intPrimTy ) import Unique import UniqFM @@ -36,8 +37,8 @@ import Digraph ( SCC(..), stronglyConnCompFromEdgedVertices ) import Outputable import FastString -import MonadUtils ( mapAndUnzip3M ) +import MonadUtils ( zipWith3M, foldrM, concatMapM ) import Control.Monad ( liftM, liftM2, zipWithM, zipWithM_, mapAndUnzipM ) import Data.List ( inits, tails, zipWith4, zipWith5 ) @@ -121,24 +122,28 @@ vectTypeEnv env let orig_tcs = keep_tcs ++ conv_tcs vect_tcs = keep_tcs ++ new_tcs - repr_tcs <- zipWithM buildPReprTyCon orig_tcs vect_tcs - pdata_tcs <- zipWithM buildPDataTyCon orig_tcs vect_tcs - dfuns <- mapM mkPADFun vect_tcs - defTyConPAs (zip vect_tcs dfuns) - binds <- sequence (zipWith5 buildTyConBindings orig_tcs - vect_tcs - repr_tcs - pdata_tcs - dfuns) - - let all_new_tcs = new_tcs ++ repr_tcs ++ pdata_tcs + (_, binds, inst_tcs) <- fixV $ \ ~(dfuns', _, _) -> + do + defTyConPAs (zipLazy vect_tcs dfuns') + reprs <- mapM tyConRepr vect_tcs + repr_tcs <- zipWith3M buildPReprTyCon orig_tcs vect_tcs reprs + pdata_tcs <- zipWith3M buildPDataTyCon orig_tcs vect_tcs reprs + dfuns <- sequence $ zipWith5 buildTyConBindings orig_tcs + vect_tcs + repr_tcs + pdata_tcs + reprs + binds <- takeHoisted + return (dfuns, binds, repr_tcs ++ pdata_tcs) + + let all_new_tcs = new_tcs ++ inst_tcs let new_env = extendTypeEnvList env (map ATyCon all_new_tcs ++ [ADataCon dc | tc <- all_new_tcs , dc <- tyConDataCons tc]) - return (new_env, map mkLocalFamInst (repr_tcs ++ pdata_tcs), concat binds) + return (new_env, map mkLocalFamInst inst_tcs, binds) where tycons = typeEnvTyCons env groups = tyConGroups tycons @@ -197,7 +202,7 @@ vectDataCon dc liftDs $ buildDataCon name' False -- not infix - (map (const NotMarkedStrict) arg_tys) + (map (const HsNoBang) arg_tys) [] -- no labelled fields univ_tvs [] -- no existential tvs for now @@ -216,11 +221,13 @@ mk_fam_inst :: TyCon -> TyCon -> (TyCon, [Type]) mk_fam_inst fam_tc arg_tc = (fam_tc, [mkTyConApp arg_tc . mkTyVarTys $ tyConTyVars arg_tc]) -buildPReprTyCon :: TyCon -> TyCon -> VM TyCon -buildPReprTyCon orig_tc vect_tc + +buildPReprTyCon :: TyCon -> TyCon -> SumRepr -> VM TyCon +buildPReprTyCon orig_tc vect_tc repr = do name <- cloneName mkPReprTyConOcc (tyConName orig_tc) - rhs_ty <- buildPReprType vect_tc + -- rhs_ty <- buildPReprType vect_tc + rhs_ty <- sumReprType repr prepr_tc <- builtin preprTyCon liftDs $ buildSynTyCon name tyvars @@ -230,136 +237,219 @@ buildPReprTyCon orig_tc vect_tc where tyvars = tyConTyVars vect_tc -buildPReprType :: TyCon -> VM Type -buildPReprType vect_tc = sum_type . map dataConRepArgTys $ tyConDataCons vect_tc - where - sum_type [] = voidType - sum_type [tys] = prod_type tys - sum_type tys = do - (sum_tc, _, _, args) <- reprSumTyCons vect_tc - return $ mkTyConApp sum_tc args - - prod_type [] = voidType - prod_type [ty] = return ty - prod_type tys = do - prod_tc <- builtin (prodTyCon (length tys)) - return $ mkTyConApp prod_tc tys - -reprSumTyCons :: TyCon -> VM (TyCon, TyCon, Type, [Type]) -reprSumTyCons vect_tc - = do - tc <- builtin (sumTyCon arity) - args <- mapM (prod . dataConRepArgTys) cons - (pdata_tc, _) <- pdataReprTyCon (mkTyConApp tc args) - sel_ty <- builtin (selTy arity) - return (tc, pdata_tc, sel_ty, args) +data CompRepr = Keep Type + CoreExpr -- PR dictionary for the type + | Wrap Type + +data ProdRepr = EmptyProd + | UnaryProd CompRepr + | Prod { repr_tup_tc :: TyCon -- representation tuple tycon + , repr_ptup_tc :: TyCon -- PData representation tycon + , repr_comp_tys :: [Type] -- representation types of + , repr_comps :: [CompRepr] -- components + } +data ConRepr = ConRepr DataCon ProdRepr + +data SumRepr = EmptySum + | UnarySum ConRepr + | Sum { repr_sum_tc :: TyCon -- representation sum tycon + , repr_psum_tc :: TyCon -- PData representation tycon + , repr_sel_ty :: Type -- type of selector + , repr_con_tys :: [Type] -- representation types of + , repr_cons :: [ConRepr] -- components + } + +tyConRepr :: TyCon -> VM SumRepr +tyConRepr tc = sum_repr (tyConDataCons tc) where - cons = tyConDataCons vect_tc - arity = length cons - - prod [] = voidType - prod [ty] = return ty - prod tys = do - prod_tc <- builtin (prodTyCon (length tys)) - return $ mkTyConApp prod_tc tys + sum_repr [] = return EmptySum + sum_repr [con] = liftM UnarySum (con_repr con) + sum_repr cons = do + rs <- mapM con_repr cons + sum_tc <- builtin (sumTyCon arity) + tys <- mapM conReprType rs + (psum_tc, _) <- pdataReprTyCon (mkTyConApp sum_tc tys) + sel_ty <- builtin (selTy arity) + return $ Sum { repr_sum_tc = sum_tc + , repr_psum_tc = psum_tc + , repr_sel_ty = sel_ty + , repr_con_tys = tys + , repr_cons = rs + } + where + arity = length cons -buildToPRepr :: TyCon -> TyCon -> TyCon -> VM CoreExpr -buildToPRepr vect_tc repr_tc _ + con_repr con = liftM (ConRepr con) (prod_repr (dataConRepArgTys con)) + + prod_repr [] = return EmptyProd + prod_repr [ty] = liftM UnaryProd (comp_repr ty) + prod_repr tys = do + rs <- mapM comp_repr tys + tup_tc <- builtin (prodTyCon arity) + tys' <- mapM compReprType rs + (ptup_tc, _) <- pdataReprTyCon (mkTyConApp tup_tc tys') + return $ Prod { repr_tup_tc = tup_tc + , repr_ptup_tc = ptup_tc + , repr_comp_tys = tys' + , repr_comps = rs + } + where + arity = length tys + + comp_repr ty = liftM (Keep ty) (prDictOfType ty) + `orElseV` return (Wrap ty) + +sumReprType :: SumRepr -> VM Type +sumReprType EmptySum = voidType +sumReprType (UnarySum r) = conReprType r +sumReprType (Sum { repr_sum_tc = sum_tc, repr_con_tys = tys }) + = return $ mkTyConApp sum_tc tys + +conReprType :: ConRepr -> VM Type +conReprType (ConRepr _ r) = prodReprType r + +prodReprType :: ProdRepr -> VM Type +prodReprType EmptyProd = voidType +prodReprType (UnaryProd r) = compReprType r +prodReprType (Prod { repr_tup_tc = tup_tc, repr_comp_tys = tys }) + = return $ mkTyConApp tup_tc tys + +compReprType :: CompRepr -> VM Type +compReprType (Keep ty _) = return ty +compReprType (Wrap ty) = do + wrap_tc <- builtin wrapTyCon + return $ mkTyConApp wrap_tc [ty] + +compOrigType :: CompRepr -> Type +compOrigType (Keep ty _) = ty +compOrigType (Wrap ty) = ty + +buildToPRepr :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr +buildToPRepr vect_tc repr_tc _ repr = do let arg_ty = mkTyConApp vect_tc ty_args res_ty <- mkPReprType arg_ty arg <- newLocalVar (fsLit "x") arg_ty - result <- to_sum (Var arg) arg_ty res_ty (tyConDataCons vect_tc) + result <- to_sum (Var arg) arg_ty res_ty repr return $ Lam arg result where ty_args = mkTyVarTys (tyConTyVars vect_tc) - wrap = wrapFamInstBody repr_tc ty_args + wrap_repr_inst = wrapFamInstBody repr_tc ty_args - to_sum arg arg_ty res_ty [] + to_sum _ _ _ EmptySum = do void <- builtin voidVar - return $ wrap (Var void) + return $ wrap_repr_inst $ Var void - to_sum arg arg_ty res_ty [con] + to_sum arg arg_ty res_ty (UnarySum r) = do - (prod, vars) <- to_prod (dataConRepArgTys con) + (pat, vars, body) <- con_alt r return $ mkWildCase arg arg_ty res_ty - [(DataAlt con, vars, wrap prod)] + [(pat, vars, wrap_repr_inst body)] - to_sum arg arg_ty res_ty cons + to_sum arg arg_ty res_ty (Sum { repr_sum_tc = sum_tc + , repr_con_tys = tys + , repr_cons = cons }) = do - (prods, vars) <- mapAndUnzipM (to_prod . dataConRepArgTys) cons - (sum_tc, _, _, sum_ty_args) <- reprSumTyCons vect_tc - let sum_cons = [mkConApp con (map Type sum_ty_args) - | con <- tyConDataCons sum_tc] - return . mkWildCase arg arg_ty res_ty - $ zipWith4 mk_alt cons vars sum_cons prods - where - arity = length cons - - mk_alt con vars sum_con expr - = (DataAlt con, vars, wrap $ sum_con `App` expr) + alts <- mapM con_alt cons + let alts' = [(pat, vars, wrap_repr_inst + $ mkConApp sum_con (map Type tys ++ [body])) + | ((pat, vars, body), sum_con) + <- zip alts (tyConDataCons sum_tc)] + return $ mkWildCase arg arg_ty res_ty alts' + + con_alt (ConRepr con r) + = do + (vars, body) <- to_prod r + return (DataAlt con, vars, body) - to_prod [] + to_prod EmptyProd = do void <- builtin voidVar - return (Var void, []) - to_prod [ty] + return ([], Var void) + + to_prod (UnaryProd comp) = do - var <- newLocalVar (fsLit "x") ty - return (Var var, [var]) - to_prod tys + var <- newLocalVar (fsLit "x") (compOrigType comp) + body <- to_comp (Var var) comp + return ([var], body) + + to_prod(Prod { repr_tup_tc = tup_tc + , repr_comp_tys = tys + , repr_comps = comps }) = do - prod_con <- builtin (prodDataCon (length tys)) - vars <- newLocalVars (fsLit "x") tys - return (mkConApp prod_con (map Type tys ++ map Var vars), vars) + vars <- newLocalVars (fsLit "x") (map compOrigType comps) + exprs <- zipWithM to_comp (map Var vars) comps + return (vars, mkConApp tup_con (map Type tys ++ exprs)) where - arity = length tys + [tup_con] = tyConDataCons tup_tc + to_comp expr (Keep _ _) = return expr + to_comp expr (Wrap ty) = do + wrap_tc <- builtin wrapTyCon + return $ wrapNewTypeBody wrap_tc [ty] expr -buildFromPRepr :: TyCon -> TyCon -> TyCon -> VM CoreExpr -buildFromPRepr vect_tc repr_tc _ + +buildFromPRepr :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr +buildFromPRepr vect_tc repr_tc _ repr = do arg_ty <- mkPReprType res_ty arg <- newLocalVar (fsLit "x") arg_ty result <- from_sum (unwrapFamInstScrut repr_tc ty_args (Var arg)) - (tyConDataCons vect_tc) + repr return $ Lam arg result where ty_args = mkTyVarTys (tyConTyVars vect_tc) res_ty = mkTyConApp vect_tc ty_args - from_sum expr [] = pprPanic "buildFromPRepr" (ppr vect_tc) - from_sum expr [con] = from_prod expr con - from_sum expr cons + from_sum _ EmptySum = do - (sum_tc, _, _, sum_ty_args) <- reprSumTyCons vect_tc - let sum_cons = tyConDataCons sum_tc - vars <- newLocalVars (fsLit "x") sum_ty_args - prods <- zipWithM from_prod (map Var vars) cons - return . mkWildCase expr (exprType expr) res_ty - $ zipWith3 mk_alt sum_cons vars prods - where - arity = length cons + dummy <- builtin fromVoidVar + return $ Var dummy `App` Type res_ty + + from_sum expr (UnarySum r) = from_con expr r + from_sum expr (Sum { repr_sum_tc = sum_tc + , repr_con_tys = tys + , repr_cons = cons }) + = do + vars <- newLocalVars (fsLit "x") tys + es <- zipWithM from_con (map Var vars) cons + return $ mkWildCase expr (exprType expr) res_ty + [(DataAlt con, [var], e) + | (con, var, e) <- zip3 (tyConDataCons sum_tc) vars es] + + from_con expr (ConRepr con r) + = from_prod expr (mkConApp con $ map Type ty_args) r - mk_alt con var expr = (DataAlt con, [var], expr) - - from_prod expr con - = case dataConRepArgTys con of - [] -> return $ apply_con [] - [ty] -> return $ apply_con [expr] - tys -> do - prod_con <- builtin (prodDataCon (length tys)) - vars <- newLocalVars (fsLit "y") tys - return $ mkWildCase expr (exprType expr) res_ty - [(DataAlt prod_con, vars, apply_con (map Var vars))] + from_prod _ con EmptyProd = return con + from_prod expr con (UnaryProd r) + = do + e <- from_comp expr r + return $ con `App` e + + from_prod expr con (Prod { repr_tup_tc = tup_tc + , repr_comp_tys = tys + , repr_comps = comps + }) + = do + vars <- newLocalVars (fsLit "y") tys + es <- zipWithM from_comp (map Var vars) comps + return $ mkWildCase expr (exprType expr) res_ty + [(DataAlt tup_con, vars, con `mkApps` es)] where - apply_con exprs = mkConApp con (map Type ty_args) `mkApps` exprs + [tup_con] = tyConDataCons tup_tc + + from_comp expr (Keep _ _) = return expr + from_comp expr (Wrap ty) + = do + wrap <- builtin wrapTyCon + return $ unwrapNewTypeBody wrap [ty] expr + -buildToArrPRepr :: TyCon -> TyCon -> TyCon -> VM CoreExpr -buildToArrPRepr vect_tc prepr_tc pdata_tc +buildToArrPRepr :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr +buildToArrPRepr vect_tc prepr_tc pdata_tc r = do arg_ty <- mkPDataType el_ty res_ty <- mkPDataType =<< mkPReprType el_ty @@ -373,7 +463,7 @@ buildToArrPRepr vect_tc prepr_tc pdata_tc scrut = unwrapFamInstScrut pdata_tc ty_args (Var arg) - (vars, result) <- to_sum (tyConDataCons vect_tc) + (vars, result) <- to_sum r return . Lam arg $ mkWildCase scrut (mkTyConApp pdata_tc ty_args) res_ty @@ -384,42 +474,64 @@ buildToArrPRepr vect_tc prepr_tc pdata_tc [pdata_dc] = tyConDataCons pdata_tc - to_sum [] = do - pvoid <- builtin pvoidVar - return ([], Var pvoid) - to_sum [con] = to_prod con - to_sum cons = do - (vars, exprs) <- mapAndUnzipM to_prod cons - (_, pdata_tc, sel_ty, arg_tys) <- reprSumTyCons vect_tc - sel <- newLocalVar (fsLit "sel") sel_ty - let [pdata_con] = tyConDataCons pdata_tc - result = wrapFamInstBody pdata_tc arg_tys - . mkConApp pdata_con - $ map Type arg_tys ++ (Var sel : exprs) - return (sel : concat vars, result) - - to_prod con - | [] <- tys = do - pvoid <- builtin pvoidVar - return ([], Var pvoid) - | [ty] <- tys = do - var <- newLocalVar (fsLit "x") ty - return ([var], Var var) - | otherwise - = do - vars <- newLocalVars (fsLit "x") tys - prod_tc <- builtin (prodTyCon (length tys)) - (pdata_prod_tc, _) <- pdataReprTyCon (mkTyConApp prod_tc tys) - let [pdata_prod_con] = tyConDataCons pdata_prod_tc - result = wrapFamInstBody pdata_prod_tc tys - . mkConApp pdata_prod_con - $ map Type tys ++ map Var vars - return (vars, result) + + to_sum EmptySum = do + pvoid <- builtin pvoidVar + return ([], Var pvoid) + to_sum (UnarySum r) = to_con r + to_sum (Sum { repr_psum_tc = psum_tc + , repr_sel_ty = sel_ty + , repr_con_tys = tys + , repr_cons = cons + }) + = do + (vars, exprs) <- mapAndUnzipM to_con cons + sel <- newLocalVar (fsLit "sel") sel_ty + return (sel : concat vars, mk_result (Var sel) exprs) + where + [psum_con] = tyConDataCons psum_tc + mk_result sel exprs = wrapFamInstBody psum_tc tys + $ mkConApp psum_con + $ map Type tys ++ (sel : exprs) + + to_con (ConRepr _ r) = to_prod r + + to_prod EmptyProd = do + pvoid <- builtin pvoidVar + return ([], Var pvoid) + to_prod (UnaryProd r) + = do + pty <- mkPDataType (compOrigType r) + var <- newLocalVar (fsLit "x") pty + expr <- to_comp (Var var) r + return ([var], expr) + + to_prod (Prod { repr_ptup_tc = ptup_tc + , repr_comp_tys = tys + , repr_comps = comps }) + = do + ptys <- mapM (mkPDataType . compOrigType) comps + vars <- newLocalVars (fsLit "x") ptys + es <- zipWithM to_comp (map Var vars) comps + return (vars, mk_result es) where - tys = dataConRepArgTys con + [ptup_con] = tyConDataCons ptup_tc + mk_result exprs = wrapFamInstBody ptup_tc tys + $ mkConApp ptup_con + $ map Type tys ++ exprs + + to_comp expr (Keep _ _) = return expr + + -- FIXME: this is bound to be wrong! + to_comp expr (Wrap ty) + = do + wrap_tc <- builtin wrapTyCon + (pwrap_tc, _) <- pdataReprTyCon (mkTyConApp wrap_tc [ty]) + return $ wrapNewTypeBody pwrap_tc [ty] expr + -buildFromArrPRepr :: TyCon -> TyCon -> TyCon -> VM CoreExpr -buildFromArrPRepr vect_tc prepr_tc pdata_tc +buildFromArrPRepr :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr +buildFromArrPRepr vect_tc prepr_tc pdata_tc r = do arg_ty <- mkPDataType =<< mkPReprType el_ty res_ty <- mkPDataType el_ty @@ -432,62 +544,84 @@ buildFromArrPRepr vect_tc prepr_tc pdata_tc scrut = mkCoerce co (Var arg) - (args, mk) <- from_sum res_ty scrut (tyConDataCons vect_tc) + mk_result args = wrapFamInstBody pdata_tc var_tys + $ mkConApp pdata_con + $ map Type var_tys ++ args + + (expr, _) <- fixV $ \ ~(_, args) -> + from_sum res_ty (mk_result args) scrut r + + return $ Lam arg expr + + -- (args, mk) <- from_sum res_ty scrut r - let result = wrapFamInstBody pdata_tc var_tys - . mkConApp pdata_dc - $ map Type var_tys ++ args + -- let result = wrapFamInstBody pdata_tc var_tys + -- . mkConApp pdata_dc + -- $ map Type var_tys ++ args - return $ Lam arg (mk result) + -- return $ Lam arg (mk result) where var_tys = mkTyVarTys $ tyConTyVars vect_tc el_ty = mkTyConApp vect_tc var_tys - [pdata_dc] = tyConDataCons pdata_tc + [pdata_con] = tyConDataCons pdata_tc - from_sum res_ty expr [] = return ([], mk) - where - mk body = mkWildCase expr (exprType expr) res_ty [(DEFAULT, [], body)] - from_sum res_ty expr [con] = from_prod res_ty expr con - from_sum res_ty expr cons + from_sum _ res _ EmptySum = return (res, []) + from_sum res_ty res expr (UnarySum r) = from_con res_ty res expr r + from_sum res_ty res expr (Sum { repr_psum_tc = psum_tc + , repr_sel_ty = sel_ty + , repr_con_tys = tys + , repr_cons = cons }) = do - (_, pdata_tc, sel_ty, arg_tys) <- reprSumTyCons vect_tc - prod_tys <- mapM mkPDataType arg_tys sel <- newLocalVar (fsLit "sel") sel_ty - vars <- newLocalVars (fsLit "xs") arg_tys - rs <- zipWithM (from_prod res_ty) (map Var vars) cons - let (prods, mks) = unzip rs - [pdata_con] = tyConDataCons pdata_tc - scrut = unwrapFamInstScrut pdata_tc arg_tys expr + ptys <- mapM mkPDataType tys + vars <- newLocalVars (fsLit "xs") ptys + (res', args) <- fold from_con res_ty res (map Var vars) cons + let scrut = unwrapFamInstScrut psum_tc tys expr + body = mkWildCase scrut (exprType scrut) res_ty + [(DataAlt psum_con, sel : vars, res')] + return (body, Var sel : args) + where + [psum_con] = tyConDataCons psum_tc - mk body = mkWildCase scrut (exprType scrut) res_ty - [(DataAlt pdata_con, sel : vars, foldr ($) body mks)] - return (Var sel : concat prods, mk) + from_con res_ty res expr (ConRepr _ r) = from_prod res_ty res expr r - from_prod res_ty expr con - | [] <- tys = return ([], id) - | [ty] <- tys = return ([expr], id) - | otherwise - = do - prod_tc <- builtin (prodTyCon (length tys)) - (pdata_tc, _) <- pdataReprTyCon (mkTyConApp prod_tc tys) - pdata_tys <- mapM mkPDataType tys - vars <- newLocalVars (fsLit "ys") pdata_tys - let [pdata_con] = tyConDataCons pdata_tc - scrut = unwrapFamInstScrut pdata_tc tys expr - - mk body = mkWildCase scrut (exprType scrut) res_ty - [(DataAlt pdata_con, vars, body)] - - return (map Var vars, mk) + from_prod _ res _ EmptyProd = return (res, []) + from_prod res_ty res expr (UnaryProd r) + = from_comp res_ty res expr r + from_prod res_ty res expr (Prod { repr_ptup_tc = ptup_tc + , repr_comp_tys = tys + , repr_comps = comps }) + = do + ptys <- mapM mkPDataType tys + vars <- newLocalVars (fsLit "ys") ptys + (res', args) <- fold from_comp res_ty res (map Var vars) comps + let scrut = unwrapFamInstScrut ptup_tc tys expr + body = mkWildCase scrut (exprType scrut) res_ty + [(DataAlt ptup_con, vars, res')] + return (body, args) + where + [ptup_con] = tyConDataCons ptup_tc + + from_comp _ res expr (Keep _ _) = return (res, [expr]) + from_comp _ res expr (Wrap ty) + = do + wrap_tc <- builtin wrapTyCon + (pwrap_tc, _) <- pdataReprTyCon (mkTyConApp wrap_tc [ty]) + return (res, [unwrapNewTypeBody pwrap_tc [ty] + $ unwrapFamInstScrut pwrap_tc [ty] expr]) + + fold f res_ty res exprs rs = foldrM f' (res, []) (zip exprs rs) where - tys = dataConRepArgTys con + f' (expr, r) (res, args) = do + (res', args') <- f res_ty res expr r + return (res', args' ++ args) -buildPRDict :: TyCon -> TyCon -> TyCon -> VM CoreExpr -buildPRDict vect_tc prepr_tc _ +buildPRDict :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr +buildPRDict vect_tc prepr_tc _ r = do - dict <- sum_dict (tyConDataCons vect_tc) + dict <- sum_dict r pr_co <- mkBuiltinCo prTyCon let co = mkAppCoercion pr_co . mkSymCoercion @@ -497,30 +631,38 @@ buildPRDict vect_tc prepr_tc _ ty_args = mkTyVarTys (tyConTyVars vect_tc) Just arg_co = tyConFamilyCoercion_maybe prepr_tc - sum_dict [] = prDFunOfTyCon =<< builtin voidTyCon - sum_dict [con] = prod_dict con - sum_dict cons = do - dicts <- mapM prod_dict cons - (sum_tc, _, _, sum_ty_args) <- reprSumTyCons vect_tc - dfun <- prDFunOfTyCon sum_tc - return $ dfun `mkTyApps` sum_ty_args `mkApps` dicts - - prod_dict con - | [] <- tys = prDFunOfTyCon =<< builtin voidTyCon - | [ty] <- tys = mkPR ty - | otherwise = do - dicts <- mapM mkPR tys - prod_tc <- builtin (prodTyCon (length tys)) - dfun <- prDFunOfTyCon prod_tc - return $ dfun `mkTyApps` tys `mkApps` dicts - where - tys = dataConRepArgTys con + sum_dict EmptySum = prDFunOfTyCon =<< builtin voidTyCon + sum_dict (UnarySum r) = con_dict r + sum_dict (Sum { repr_sum_tc = sum_tc + , repr_con_tys = tys + , repr_cons = cons + }) + = do + dicts <- mapM con_dict cons + dfun <- prDFunOfTyCon sum_tc + return $ dfun `mkTyApps` tys `mkApps` dicts + + con_dict (ConRepr _ r) = prod_dict r + + prod_dict EmptyProd = prDFunOfTyCon =<< builtin voidTyCon + prod_dict (UnaryProd r) = comp_dict r + prod_dict (Prod { repr_tup_tc = tup_tc + , repr_comp_tys = tys + , repr_comps = comps }) + = do + dicts <- mapM comp_dict comps + dfun <- prDFunOfTyCon tup_tc + return $ dfun `mkTyApps` tys `mkApps` dicts -buildPDataTyCon :: TyCon -> TyCon -> VM TyCon -buildPDataTyCon orig_tc vect_tc = fixV $ \repr_tc -> + comp_dict (Keep _ pr) = return pr + comp_dict (Wrap ty) = wrapPR ty + + +buildPDataTyCon :: TyCon -> TyCon -> SumRepr -> VM TyCon +buildPDataTyCon orig_tc vect_tc repr = fixV $ \repr_tc -> do name' <- cloneName mkPDataTyConOcc orig_name - rhs <- buildPDataTyConRhs orig_name vect_tc repr_tc + rhs <- buildPDataTyConRhs orig_name vect_tc repr_tc repr pdata <- builtin pdataTyCon liftDs $ buildAlgTyCon name' @@ -537,21 +679,21 @@ buildPDataTyCon orig_tc vect_tc = fixV $ \repr_tc -> rec_flag = boolToRecFlag (isRecursiveTyCon vect_tc) -buildPDataTyConRhs :: Name -> TyCon -> TyCon -> VM AlgTyConRhs -buildPDataTyConRhs orig_name vect_tc repr_tc +buildPDataTyConRhs :: Name -> TyCon -> TyCon -> SumRepr -> VM AlgTyConRhs +buildPDataTyConRhs orig_name vect_tc repr_tc repr = do - data_con <- buildPDataDataCon orig_name vect_tc repr_tc + data_con <- buildPDataDataCon orig_name vect_tc repr_tc repr return $ DataTyCon { data_cons = [data_con], is_enum = False } -buildPDataDataCon :: Name -> TyCon -> TyCon -> VM DataCon -buildPDataDataCon orig_name vect_tc repr_tc +buildPDataDataCon :: Name -> TyCon -> TyCon -> SumRepr -> VM DataCon +buildPDataDataCon orig_name vect_tc repr_tc repr = do dc_name <- cloneName mkPDataDataConOcc orig_name - comp_tys <- components + comp_tys <- sum_tys repr liftDs $ buildDataCon dc_name False -- not infix - (map (const NotMarkedStrict) comp_tys) + (map (const HsNoBang) comp_tys) [] -- no field labels tvs [] -- no existentials @@ -562,29 +704,28 @@ buildPDataDataCon orig_name vect_tc repr_tc repr_tc where tvs = tyConTyVars vect_tc - cons = tyConDataCons vect_tc - arity = length cons - components - | arity > 1 = liftM2 (:) (builtin (selTy arity)) data_components - | otherwise = data_components + sum_tys EmptySum = return [] + sum_tys (UnarySum r) = con_tys r + sum_tys (Sum { repr_sel_ty = sel_ty + , repr_cons = cons }) + = liftM (sel_ty :) (concatMapM con_tys cons) + + con_tys (ConRepr _ r) = prod_tys r + + prod_tys EmptyProd = return [] + prod_tys (UnaryProd r) = liftM singleton (comp_ty r) + prod_tys (Prod { repr_comps = comps }) = mapM comp_ty comps - data_components = mapM mkPDataType - . concat - $ map dataConRepArgTys cons + comp_ty r = mkPDataType (compOrigType r) -mkPADFun :: TyCon -> VM Var -mkPADFun vect_tc - = newExportedVar (mkPADFunOcc $ getOccName vect_tc) =<< paDFunType vect_tc -buildTyConBindings :: TyCon -> TyCon -> TyCon -> TyCon -> Var - -> VM [(Var, CoreExpr)] -buildTyConBindings orig_tc vect_tc prepr_tc pdata_tc dfun +buildTyConBindings :: TyCon -> TyCon -> TyCon -> TyCon -> SumRepr + -> VM Var +buildTyConBindings orig_tc vect_tc prepr_tc pdata_tc repr = do vectDataConWorkers orig_tc vect_tc pdata_tc - dict <- buildPADict vect_tc prepr_tc pdata_tc dfun - binds <- takeHoisted - return $ (dfun, dict) : binds + buildPADict vect_tc prepr_tc pdata_tc repr vectDataConWorkers :: TyCon -> TyCon -> TyCon -> VM () vectDataConWorkers orig_tc vect_tc arr_tc @@ -639,46 +780,72 @@ vectDataConWorkers orig_tc vect_tc arr_tc def_worker data_con arg_tys mk_body = do + arity <- polyArity tyvars body <- closedV . inBind orig_worker - . polyAbstract tyvars $ \abstract -> - liftM (abstract . vectorised) + . polyAbstract tyvars $ \args -> + liftM (mkLams (tyvars ++ args) . vectorised) $ buildClosures tyvars [] arg_tys res_ty mk_body - vect_worker <- cloneId mkVectOcc orig_worker (exprType body) + raw_worker <- cloneId mkVectOcc orig_worker (exprType body) + let vect_worker = raw_worker `setIdUnfolding` + mkInlineRule body (Just arity) defGlobalVar orig_worker vect_worker return (vect_worker, body) where orig_worker = dataConWorkId data_con -buildPADict :: TyCon -> TyCon -> TyCon -> Var -> VM CoreExpr -buildPADict vect_tc prepr_tc arr_tc _ - = polyAbstract tvs $ \abstract -> +buildPADict :: TyCon -> TyCon -> TyCon -> SumRepr -> VM Var +buildPADict vect_tc prepr_tc arr_tc repr + = polyAbstract tvs $ \args -> do - meth_binds <- mapM mk_method paMethods - let meth_exprs = map (Var . fst) meth_binds + method_ids <- mapM (method args) paMethods - pa_dc <- builtin paDataCon - let dict = mkConApp pa_dc (Type (mkTyConApp vect_tc arg_tys) : meth_exprs) - body = Let (Rec meth_binds) dict - return . mkInlineMe $ abstract body + pa_tc <- builtin paTyCon + pa_con <- builtin paDataCon + let dict = mkLams (tvs ++ args) + $ mkConApp pa_con + $ Type inst_ty : map (method_call args) method_ids + + dfun_ty = mkForAllTys tvs + $ mkFunTys (map varType args) (mkTyConApp pa_tc [inst_ty]) + + raw_dfun <- newExportedVar dfun_name dfun_ty + let dfun = raw_dfun `setIdUnfolding` mkDFunUnfolding pa_con method_ids + `setInlinePragma` dfunInlinePragma + + hoistBinding dfun dict + return dfun where - tvs = tyConTyVars arr_tc + tvs = tyConTyVars vect_tc arg_tys = mkTyVarTys tvs + inst_ty = mkTyConApp vect_tc arg_tys + + dfun_name = mkPADFunOcc (getOccName vect_tc) - mk_method (name, build) + method args (name, build) = localV $ do - body <- build vect_tc prepr_tc arr_tc - var <- newLocalVar name (exprType body) - return (var, mkInlineMe body) - -paMethods :: [(FastString, TyCon -> TyCon -> TyCon -> VM CoreExpr)] -paMethods = [(fsLit "toPRepr", buildToPRepr), - (fsLit "fromPRepr", buildFromPRepr), - (fsLit "toArrPRepr", buildToArrPRepr), - (fsLit "fromArrPRepr", buildFromArrPRepr), - (fsLit "dictPRepr", buildPRDict)] + expr <- build vect_tc prepr_tc arr_tc repr + let body = mkLams (tvs ++ args) expr + raw_var <- newExportedVar (method_name name) (exprType body) + let var = raw_var + `setIdUnfolding` mkInlineRule body (Just (length args)) + `setInlinePragma` alwaysInlinePragma + hoistBinding var body + return var + + method_call args id = mkApps (Var id) (map Type arg_tys ++ map Var args) + + method_name name = mkVarOcc $ occNameString dfun_name ++ ('$' : name) + + +paMethods :: [(String, TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr)] +paMethods = [("dictPRepr", buildPRDict), + ("toPRepr", buildToPRepr), + ("fromPRepr", buildFromPRepr), + ("toArrPRepr", buildToArrPRepr), + ("fromArrPRepr", buildFromArrPRepr)] -- | Split the given tycons into two sets depending on whether they have to be -- converted (first list) or not (second list). The first argument contains