X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fvectorise%2FVectType.hs;h=c77343b7e5b6ebc0b073ad84d3fb03b54edffdef;hp=b2e1518c4ea654446cf555475ce3f21f8d1a42e1;hb=9396c0736a7e7d73c2a13f1a18104e0c43b924b0;hpb=11ecc3de8d4aaea7bfb7ab41c862e77964bee557 diff --git a/compiler/vectorise/VectType.hs b/compiler/vectorise/VectType.hs index b2e1518..c77343b 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 BuildTyCl import DataCon import TyCon import Type @@ -25,7 +26,7 @@ import Var ( Var ) import Id ( mkWildId ) import Name ( Name, getOccName ) import NameEnv -import TysWiredIn ( intTy, intDataCon ) +import TysWiredIn ( unitTy, intTy, intDataCon ) import TysPrim ( intPrimTy ) import Unique @@ -36,7 +37,7 @@ import Digraph ( SCC(..), stronglyConnComp ) import Outputable import Control.Monad ( liftM, liftM2, zipWithM, zipWithM_ ) -import Data.List ( inits, tails, zipWith4 ) +import Data.List ( inits, tails, zipWith4, zipWith5 ) -- ---------------------------------------------------------------------------- -- Types @@ -96,19 +97,24 @@ vectTypeEnv env let orig_tcs = keep_tcs ++ conv_tcs vect_tcs = keep_tcs ++ new_tcs + repr_tcs <- zipWithM buildPReprTyCon orig_tcs vect_tcs parr_tcs <- zipWithM buildPArrayTyCon orig_tcs vect_tcs dfuns <- mapM mkPADFun vect_tcs defTyConPAs (zip vect_tcs dfuns) - binds <- sequence (zipWith4 buildTyConBindings orig_tcs vect_tcs parr_tcs dfuns) - - let all_new_tcs = new_tcs ++ parr_tcs + binds <- sequence (zipWith5 buildTyConBindings orig_tcs + vect_tcs + repr_tcs + parr_tcs + dfuns) + + let all_new_tcs = new_tcs ++ repr_tcs ++ parr_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 parr_tcs, concat binds) + return (new_env, map mkLocalFamInst (repr_tcs ++ parr_tcs), concat binds) where tycons = typeEnvTyCons env groups = tyConGroups tycons @@ -135,19 +141,16 @@ vectTyConDecl tc name' <- cloneName mkVectTyConOcc name rhs' <- vectAlgTyConRhs (algTyConRhs tc) - return $ mkAlgTyCon name' - kind - tyvars - [] -- no stupid theta - rhs' - [] -- no selector ids - NoParentTyCon -- FIXME - rec_flag -- FIXME: is this ok? - False -- FIXME: no generics - False -- not GADT syntax + liftDs $ buildAlgTyCon name' + tyvars + [] -- no stupid theta + rhs' + rec_flag -- FIXME: is this ok? + False -- FIXME: no generics + False -- not GADT syntax + Nothing -- not a family instance where name = tyConName tc - kind = tyConKind tc tyvars = tyConTyVars tc rec_flag = boolToRecFlag (isRecursiveTyCon tc) @@ -171,72 +174,101 @@ vectDataCon dc name' <- cloneName mkVectDataConOcc name tycon' <- vectTyCon tycon arg_tys <- mapM vectType rep_arg_tys - wrk_name <- cloneName mkDataConWorkerOcc name' - - let ids = mkDataConIds (panic "vectDataCon: wrapper id") - wrk_name - data_con - data_con = mkDataCon name' - False -- not infix - (map (const NotMarkedStrict) arg_tys) - [] -- no labelled fields - univ_tvs - [] -- no existential tvs for now - [] -- no eq spec for now - [] -- no theta - arg_tys - tycon' - [] -- no stupid theta - ids - return data_con + + liftDs $ buildDataCon name' + False -- not infix + (map (const NotMarkedStrict) arg_tys) + [] -- no labelled fields + univ_tvs + [] -- no existential tvs for now + [] -- no eq spec for now + [] -- no context + arg_tys + tycon' where name = dataConName dc univ_tvs = dataConUnivTyVars dc rep_arg_tys = dataConRepArgTys dc tycon = dataConTyCon dc +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 + = do + name <- cloneName mkPReprTyConOcc (tyConName orig_tc) + rhs_ty <- buildPReprType vect_tc + prepr_tc <- builtin preprTyCon + liftDs $ buildSynTyCon name + tyvars + (SynonymTyCon rhs_ty) + (Just $ mk_fam_inst prepr_tc vect_tc) + where + tyvars = tyConTyVars vect_tc + +buildPReprType :: TyCon -> VM Type +buildPReprType = mkPRepr . map dataConRepArgTys . tyConDataCons + +buildToPRepr :: Shape -> TyCon -> TyCon -> TyCon -> VM CoreExpr +buildToPRepr _ vect_tc prepr_tc _ + = do + arg <- newLocalVar FSLIT("x") arg_ty + bndrss <- mapM (mapM (newLocalVar FSLIT("x"))) rep_tys + (alt_bodies, res_ty) <- mkToPRepr $ map (map Var) bndrss + + return . Lam arg + . wrapFamInstBody prepr_tc var_tys + . Case (Var arg) (mkWildId arg_ty) res_ty + $ zipWith3 mk_alt data_cons bndrss alt_bodies + where + var_tys = mkTyVarTys $ tyConTyVars vect_tc + arg_ty = mkTyConApp vect_tc var_tys + data_cons = tyConDataCons vect_tc + rep_tys = map dataConRepArgTys data_cons + + mk_alt data_con bndrs body = (DataAlt data_con, bndrs, body) + +buildFromPRepr :: Shape -> TyCon -> TyCon -> TyCon -> VM CoreExpr +buildFromPRepr _ vect_tc prepr_tc _ + = do + arg_ty <- mkPReprType res_ty + arg <- newLocalVar FSLIT("x") arg_ty + alts <- mapM mk_alt data_cons + body <- mkFromPRepr (unwrapFamInstScrut prepr_tc var_tys (Var arg)) + res_ty alts + return $ Lam arg body + where + var_tys = mkTyVarTys $ tyConTyVars vect_tc + res_ty = mkTyConApp vect_tc var_tys + data_cons = tyConDataCons vect_tc + + mk_alt dc = do + bndrs <- mapM (newLocalVar FSLIT("x")) $ dataConRepArgTys dc + return (bndrs, mkConApp dc (map Type var_tys ++ map Var bndrs)) + buildPArrayTyCon :: TyCon -> TyCon -> VM TyCon buildPArrayTyCon orig_tc vect_tc = fixV $ \repr_tc -> do name' <- cloneName mkPArrayTyConOcc orig_name - parent <- buildPArrayParentInfo orig_name vect_tc repr_tc rhs <- buildPArrayTyConRhs orig_name vect_tc repr_tc - - return $ mkAlgTyCon name' - kind - tyvars - [] -- no stupid theta - rhs - [] -- no selector ids - parent - rec_flag -- FIXME: is this ok? - False -- FIXME: no generics - False -- not GADT syntax + parray <- builtin parrayTyCon + + liftDs $ buildAlgTyCon name' + tyvars + [] -- no stupid theta + rhs + rec_flag -- FIXME: is this ok? + False -- FIXME: no generics + False -- not GADT syntax + (Just $ mk_fam_inst parray vect_tc) where orig_name = tyConName orig_tc - name = tyConName vect_tc - kind = tyConKind vect_tc tyvars = tyConTyVars vect_tc rec_flag = boolToRecFlag (isRecursiveTyCon vect_tc) -buildPArrayParentInfo :: Name -> TyCon -> TyCon -> VM TyConParent -buildPArrayParentInfo orig_name vect_tc repr_tc - = do - parray_tc <- builtin parrayTyCon - co_name <- cloneName mkInstTyCoOcc (tyConName repr_tc) - - let inst_tys = [mkTyConApp vect_tc (map mkTyVarTy tyvars)] - - return . FamilyTyCon parray_tc inst_tys - $ mkFamInstCoercion co_name - tyvars - parray_tc - inst_tys - repr_tc - where - tyvars = tyConTyVars vect_tc - buildPArrayTyConRhs :: Name -> TyCon -> TyCon -> VM AlgTyConRhs buildPArrayTyConRhs orig_name vect_tc repr_tc = do @@ -249,24 +281,17 @@ buildPArrayDataCon orig_name vect_tc repr_tc dc_name <- cloneName mkPArrayDataConOcc orig_name shape <- tyConShape vect_tc repr_tys <- mapM mkPArrayType types - wrk_name <- cloneName mkDataConWorkerOcc dc_name - wrp_name <- cloneName mkDataConWrapperOcc dc_name - - let ids = mkDataConIds wrp_name wrk_name data_con - data_con = mkDataCon dc_name - False - (shapeStrictness shape ++ map (const NotMarkedStrict) repr_tys) - [] - (tyConTyVars vect_tc) - [] - [] - [] - (shapeReprTys shape ++ repr_tys) - repr_tc - [] - ids - - return data_con + + liftDs $ buildDataCon dc_name + False -- not infix + (shapeStrictness shape ++ map (const NotMarkedStrict) repr_tys) + [] -- no field labels + (tyConTyVars vect_tc) + [] -- no existentials + [] -- no eq spec + [] -- no context + (shapeReprTys shape ++ repr_tys) + repr_tc where types = [ty | dc <- tyConDataCons vect_tc , ty <- dataConRepArgTys dc] @@ -304,27 +329,30 @@ tyConShape vect_tc return [e] } -buildTyConBindings :: TyCon -> TyCon -> TyCon -> Var -> VM [(Var, CoreExpr)] -buildTyConBindings orig_tc vect_tc arr_tc dfun +buildTyConBindings :: TyCon -> TyCon -> TyCon -> TyCon -> Var + -> VM [(Var, CoreExpr)] +buildTyConBindings orig_tc vect_tc prepr_tc arr_tc dfun = do shape <- tyConShape vect_tc - sequence_ (zipWith3 (vectDataConWorker shape vect_tc arr_tc arr_dc) - num_dcs + sequence_ (zipWith4 (vectDataConWorker shape vect_tc arr_tc arr_dc) + orig_dcs + vect_dcs (inits repr_tys) (tails repr_tys)) - takeHoisted + dict <- buildPADict shape vect_tc prepr_tc arr_tc dfun + binds <- takeHoisted + return $ (dfun, dict) : binds where orig_dcs = tyConDataCons orig_tc vect_dcs = tyConDataCons vect_tc [arr_dc] = tyConDataCons arr_tc - num_dcs = zip3 orig_dcs vect_dcs [0..] repr_tys = map dataConRepArgTys vect_dcs vectDataConWorker :: Shape -> TyCon -> TyCon -> DataCon - -> (DataCon, DataCon, Int) -> [[Type]] -> [[Type]] + -> DataCon -> DataCon -> [[Type]] -> [[Type]] -> VM () -vectDataConWorker shape vect_tc arr_tc arr_dc (orig_dc, vect_dc, dc_num) pre (dc_tys : post) +vectDataConWorker shape vect_tc arr_tc arr_dc orig_dc vect_dc pre (dc_tys : post) = do clo <- closedV . inBind orig_worker @@ -348,7 +376,9 @@ vectDataConWorker shape vect_tc arr_tc arr_dc (orig_dc, vect_dc, dc_num) pre (dc len <- newLocalVar FSLIT("n") intPrimTy arr_tys <- mapM mkPArrayType dc_tys args <- mapM (newLocalVar FSLIT("xs")) arr_tys - shapes <- shapeReplicate shape (Var len) (mkIntLitInt dc_num) + shapes <- shapeReplicate shape + (Var len) + (mkDataConTag vect_dc) empty_pre <- mapM emptyPA (concat pre) empty_post <- mapM emptyPA (concat post) @@ -361,21 +391,17 @@ vectDataConWorker shape vect_tc arr_tc arr_dc (orig_dc, vect_dc, dc_num) pre (dc ++ map Var args ++ empty_post -buildPADict :: PAInstance -> VM [(Var, CoreExpr)] -buildPADict (PAInstance { - painstDFun = dfun - , painstVectTyCon = vect_tc - , painstArrTyCon = arr_tc }) - = polyAbstract (tyConTyVars arr_tc) $ \abstract -> +buildPADict :: Shape -> TyCon -> TyCon -> TyCon -> Var -> VM CoreExpr +buildPADict shape vect_tc prepr_tc arr_tc dfun + = polyAbstract tvs $ \abstract -> do - shape <- tyConShape vect_tc meth_binds <- mapM (mk_method shape) paMethods let meth_exprs = map (Var . fst) meth_binds pa_dc <- builtin paDataCon let dict = mkConApp pa_dc (Type (mkTyConApp vect_tc arg_tys) : meth_exprs) body = Let (Rec meth_binds) dict - return [(dfun, mkInlineMe $ abstract body)] + return . mkInlineMe $ abstract body where tvs = tyConTyVars arr_tc arg_tys = mkTyVarTys tvs @@ -383,15 +409,17 @@ buildPADict (PAInstance { mk_method shape (name, build) = localV $ do - body <- build shape vect_tc arr_tc + body <- build shape vect_tc prepr_tc arr_tc var <- newLocalVar name (exprType body) return (var, mkInlineMe body) paMethods = [(FSLIT("lengthPA"), buildLengthPA), - (FSLIT("replicatePA"), buildReplicatePA)] + (FSLIT("replicatePA"), buildReplicatePA), + (FSLIT("toPRepr"), buildToPRepr), + (FSLIT("fromPRepr"), buildFromPRepr)] -buildLengthPA :: Shape -> TyCon -> TyCon -> VM CoreExpr -buildLengthPA shape vect_tc arr_tc +buildLengthPA :: Shape -> TyCon -> TyCon -> TyCon -> VM CoreExpr +buildLengthPA shape vect_tc _ arr_tc = do parr_ty <- mkPArrayType (mkTyConApp vect_tc arg_tys) arg <- newLocalVar FSLIT("xs") parr_ty @@ -439,8 +467,8 @@ buildLengthPA shape vect_tc arr_tc -- -- -buildReplicatePA :: Shape -> TyCon -> TyCon -> VM CoreExpr -buildReplicatePA shape vect_tc arr_tc +buildReplicatePA :: Shape -> TyCon -> TyCon -> TyCon -> VM CoreExpr +buildReplicatePA shape vect_tc _ arr_tc = do len_var <- newLocalVar FSLIT("n") intPrimTy val_var <- newLocalVar FSLIT("x") val_ty