X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fvectorise%2FVectorise.hs;h=59e5264aeac72fabee34fe905f73dd12ddce5b8d;hb=ce39c447ab47ac1616cea079210c7651f486f425;hp=c845ea39792ad7e4a8010f07450ea08de86ef5b9;hpb=398fb62067696bf39ab8f64405b39292b06511c3;p=ghc-hetmet.git diff --git a/compiler/vectorise/Vectorise.hs b/compiler/vectorise/Vectorise.hs index c845ea3..59e5264 100644 --- a/compiler/vectorise/Vectorise.hs +++ b/compiler/vectorise/Vectorise.hs @@ -5,6 +5,8 @@ where import VectMonad import VectUtils +import VectType +import VectCore import DynFlags import HscTypes @@ -13,84 +15,142 @@ import CoreLint ( showPass, endPass ) import CoreSyn import CoreUtils import CoreFVs +import SimplMonad ( SimplCount, zeroSimplCount ) +import Rules ( RuleBase ) +import DataCon import TyCon import Type -import TypeRep +import FamInstEnv ( extendFamInstEnvList ) +import InstEnv ( extendInstEnvList ) import Var import VarEnv -import Name ( mkSysTvName ) +import VarSet +import Name ( mkSysTvName, getName ) import NameEnv import Id +import MkId ( unwrapFamInstScrut ) +import OccName import DsMonad hiding (mapAndUnzipM) +import DsUtils ( mkCoreTup, mkCoreTupTy ) +import Literal ( Literal ) import PrelNames +import TysWiredIn +import TysPrim ( intPrimTy ) +import BasicTypes ( Boxity(..) ) import Outputable import FastString -import Control.Monad ( liftM, liftM2, mapAndUnzipM ) +import Control.Monad ( liftM, liftM2, zipWithM, mapAndUnzipM ) -vectorise :: HscEnv -> ModGuts -> IO ModGuts -vectorise hsc_env guts - | not (Opt_Vectorise `dopt` dflags) = return guts - | otherwise +vectorise :: HscEnv -> UniqSupply -> RuleBase -> ModGuts + -> IO (SimplCount, ModGuts) +vectorise hsc_env _ _ guts = do showPass dflags "Vectorisation" eps <- hscEPS hsc_env let info = hptVectInfo hsc_env `plusVectInfo` eps_vect_info eps Just (info', guts') <- initV hsc_env guts info (vectModule guts) endPass dflags "Vectorisation" Opt_D_dump_vect (mg_binds guts') - return $ guts' { mg_vect_info = info' } + return (zeroSimplCount dflags, guts' { mg_vect_info = info' }) where dflags = hsc_dflags hsc_env vectModule :: ModGuts -> VM ModGuts -vectModule guts = return guts +vectModule guts + = do + (types', fam_insts, pa_insts) <- vectTypeEnv (mg_types guts) + + let insts = map painstInstance pa_insts + fam_inst_env' = extendFamInstEnvList (mg_fam_inst_env guts) fam_insts + inst_env' = extendInstEnvList (mg_inst_env guts) insts + updGEnv (setInstEnvs inst_env' fam_inst_env') + + dicts <- mapM buildPADict pa_insts + binds' <- mapM vectTopBind (mg_binds guts) + return $ guts { mg_types = types' + , mg_binds = Rec (concat dicts) : binds' + , mg_inst_env = inst_env' + , mg_fam_inst_env = fam_inst_env' + , mg_insts = mg_insts guts ++ insts + , mg_fam_insts = mg_fam_insts guts ++ fam_insts + } + +vectTopBind :: CoreBind -> VM CoreBind +vectTopBind b@(NonRec var expr) + = do + var' <- vectTopBinder var + expr' <- vectTopRhs var expr + hs <- takeHoisted + return . Rec $ (var, expr) : (var', expr') : hs + `orElseV` + return b + +vectTopBind b@(Rec bs) + = do + vars' <- mapM vectTopBinder vars + exprs' <- zipWithM vectTopRhs vars exprs + hs <- takeHoisted + return . Rec $ bs ++ zip vars' exprs' ++ hs + `orElseV` + return b + where + (vars, exprs) = unzip bs + +vectTopBinder :: Var -> VM Var +vectTopBinder var + = do + vty <- vectType (idType var) + name <- cloneName mkVectOcc (getName var) + let var' | isExportedId var = Id.mkExportedLocalId name vty + | otherwise = Id.mkLocalId name vty + defGlobalVar var var' + return var' + +vectTopRhs :: Var -> CoreExpr -> VM CoreExpr +vectTopRhs var expr + = do + lc <- newLocalVar FSLIT("lc") intPrimTy + closedV . liftM vectorised + . inBind var + $ vectPolyExpr lc (freeVars expr) -- ---------------------------------------------------------------------------- -- Bindings -vectBndr :: Var -> VM (Var, Var) +vectBndr :: Var -> VM VVar vectBndr v = do vty <- vectType (idType v) - lty <- mkPArrayTy vty + lty <- mkPArrayType vty let vv = v `Id.setIdType` vty lv = v `Id.setIdType` lty updLEnv (mapTo vv lv) return (vv, lv) where - mapTo vv lv env = env { local_vars = extendVarEnv (local_vars env) v (Var vv, Var lv) } + mapTo vv lv env = env { local_vars = extendVarEnv (local_vars env) v (vv, lv) } -vectBndrIn :: Var -> VM a -> VM (Var, Var, a) +vectBndrIn :: Var -> VM a -> VM (VVar, a) vectBndrIn v p = localV $ do - (vv, lv) <- vectBndr v + vv <- vectBndr v x <- p - return (vv, lv, x) + return (vv, x) -vectBndrsIn :: [Var] -> VM a -> VM ([Var], [Var], a) +vectBndrsIn :: [Var] -> VM a -> VM ([VVar], a) vectBndrsIn vs p = localV $ do - (vvs, lvs) <- mapAndUnzipM vectBndr vs + vvs <- mapM vectBndr vs x <- p - return (vvs, lvs, x) + return (vvs, x) -- ---------------------------------------------------------------------------- -- Expressions -replicateP :: CoreExpr -> CoreExpr -> VM CoreExpr -replicateP expr len - = do - dict <- paDictOfType ty - rep <- builtin replicatePAVar - return $ mkApps (Var rep) [Type ty, dict, expr, len] - where - ty = exprType expr - -capply :: (CoreExpr, CoreExpr) -> (CoreExpr, CoreExpr) -> VM (CoreExpr, CoreExpr) +capply :: VExpr -> VExpr -> VM VExpr capply (vfn, lfn) (varg, larg) = do apply <- builtin applyClosureVar @@ -101,116 +161,118 @@ capply (vfn, lfn) (varg, larg) fn_ty = exprType vfn (arg_ty, res_ty) = splitClosureTy fn_ty -vectVar :: CoreExpr -> Var -> VM (CoreExpr, CoreExpr) -vectVar lc v = local v `orElseV` global v +vectVar :: Var -> Var -> VM VExpr +vectVar lc v + = do + r <- lookupVar v + case r of + Local (vv,lv) -> return (Var vv, Var lv) + Global vv -> do + let vexpr = Var vv + lexpr <- replicatePA vexpr (Var lc) + return (vexpr, lexpr) + +vectPolyVar :: Var -> Var -> [Type] -> VM VExpr +vectPolyVar lc v tys + = do + vtys <- mapM vectType tys + r <- lookupVar v + case r of + Local (vv, lv) -> liftM2 (,) (polyApply (Var vv) vtys) + (polyApply (Var lv) vtys) + Global poly -> do + vexpr <- polyApply (Var poly) vtys + lexpr <- replicatePA vexpr (Var lc) + return (vexpr, lexpr) + +vectLiteral :: Var -> Literal -> VM VExpr +vectLiteral lc lit + = do + lexpr <- replicatePA (Lit lit) (Var lc) + return (Lit lit, lexpr) + +vectPolyExpr :: Var -> CoreExprWithFVs -> VM VExpr +vectPolyExpr lc expr + = polyAbstract tvs $ \abstract -> + -- FIXME: shadowing (tvs in lc) + do + mono' <- vectExpr lc mono + return $ mapVect abstract mono' where - local v = maybeV (readLEnv $ \env -> lookupVarEnv (local_vars env) v) - global v = do - vexpr <- maybeV (readGEnv $ \env -> lookupVarEnv (global_vars env) v) - lexpr <- replicateP vexpr lc - return (vexpr, lexpr) + (tvs, mono) = collectAnnTypeBinders expr -vectExpr :: CoreExpr -> CoreExprWithFVs -> VM (CoreExpr, CoreExpr) +vectExpr :: Var -> CoreExprWithFVs -> VM VExpr vectExpr lc (_, AnnType ty) - = do - vty <- vectType ty - return (Type vty, Type vty) -vectExpr lc (_, AnnVar v) = vectVar lc v -vectExpr lc (_, AnnLit lit) - = do - let vexpr = Lit lit - lexpr <- replicateP vexpr lc - return (vexpr, lexpr) + = liftM vType (vectType ty) + +vectExpr lc (_, AnnVar v) = vectVar lc v + +vectExpr lc (_, AnnLit lit) = vectLiteral lc lit + vectExpr lc (_, AnnNote note expr) - = do - (vexpr, lexpr) <- vectExpr lc expr - return (Note note vexpr, Note note lexpr) + = liftM (vNote note) (vectExpr lc expr) + +vectExpr lc e@(_, AnnApp _ arg) + | isAnnTypeArg arg + = vectTyAppExpr lc fn tys + where + (fn, tys) = collectAnnTypeArgs e + vectExpr lc (_, AnnApp fn arg) = do fn' <- vectExpr lc fn arg' <- vectExpr lc arg capply fn' arg' + vectExpr lc (_, AnnCase expr bndr ty alts) = panic "vectExpr: case" + vectExpr lc (_, AnnLet (AnnNonRec bndr rhs) body) = do - (vrhs, lrhs) <- vectExpr lc rhs - (vbndr, lbndr, (vbody, lbody)) <- vectBndrIn bndr (vectExpr lc body) - return (Let (NonRec vbndr vrhs) vbody, - Let (NonRec lbndr lrhs) lbody) -vectExpr lc (_, AnnLet (AnnRec prs) body) - = do - (vbndrs, lbndrs, (vrhss, vbody, lrhss, lbody)) <- vectBndrsIn bndrs vect - return (Let (Rec (zip vbndrs vrhss)) vbody, - Let (Rec (zip lbndrs lrhss)) lbody) - where - (bndrs, rhss) = unzip prs - - vect = do - (vrhss, lrhss) <- mapAndUnzipM (vectExpr lc) rhss - (vbody, lbody) <- vectExpr lc body - return (vrhss, vbody, lrhss, lbody) -vectExpr lc (_, AnnLam bndr body) - | isTyVar bndr - = do - r <- paDictArgType bndr - (upd_env, add_lam) <- get_upd r - (vbody, lbody) <- localV (upd_env >> vectExpr lc body) - return (Lam bndr (add_lam vbody), Lam bndr (add_lam lbody)) - where - get_upd Nothing = return (deleteTyVarPA bndr, id) - get_upd (Just pa_ty) = do - pa_var <- newLocalVar FSLIT("dPA") pa_ty - return (extendTyVarPA bndr (Var pa_var), - Lam pa_var) + vrhs <- localV . inBind bndr $ vectPolyExpr lc rhs + (vbndr, vbody) <- vectBndrIn bndr (vectExpr lc body) + return $ vLet (vNonRec vbndr vrhs) vbody --- ---------------------------------------------------------------------------- --- Types - -vectTyCon :: TyCon -> VM TyCon -vectTyCon tc - | isFunTyCon tc = builtin closureTyCon - | isBoxedTupleTyCon tc = return tc - | isUnLiftedTyCon tc = return tc - | otherwise = do - r <- lookupTyCon tc - case r of - Just tc' -> return tc' - - -- FIXME: just for now - Nothing -> pprTrace "ccTyCon:" (ppr tc) $ return tc - -vectType :: Type -> VM Type -vectType ty | Just ty' <- coreView ty = vectType ty -vectType (TyVarTy tv) = return $ TyVarTy tv -vectType (AppTy ty1 ty2) = liftM2 AppTy (vectType ty1) (vectType ty2) -vectType (TyConApp tc tys) = liftM2 TyConApp (vectTyCon tc) (mapM vectType tys) -vectType (FunTy ty1 ty2) = liftM2 TyConApp (builtin closureTyCon) - (mapM vectType [ty1,ty2]) -vectType (ForAllTy tv ty) +vectExpr lc (_, AnnLet (AnnRec bs) body) = do - r <- paDictArgType tv - ty' <- vectType ty - return $ ForAllTy tv (wrap r ty') + (vbndrs, (vrhss, vbody)) <- vectBndrsIn bndrs + $ liftM2 (,) + (zipWithM vect_rhs bndrs rhss) + (vectPolyExpr lc body) + return $ vLet (vRec vbndrs vrhss) vbody where - wrap Nothing = id - wrap (Just pa_ty) = FunTy pa_ty + (bndrs, rhss) = unzip bs -vectType ty = pprPanic "vectType:" (ppr ty) + vect_rhs bndr rhs = localV + . inBind bndr + $ vectExpr lc rhs -isClosureTyCon :: TyCon -> Bool -isClosureTyCon tc = tyConUnique tc == closureTyConKey +vectExpr lc e@(fvs, AnnLam bndr _) + | not (isId bndr) = pprPanic "vectExpr" (ppr $ deAnnotate e) + | otherwise = vectLam lc fvs bs body + where + (bs,body) = collectAnnValBinders e -splitClosureTy :: Type -> (Type, Type) -splitClosureTy ty - | Just (tc, [arg_ty, res_ty]) <- splitTyConApp_maybe ty - , isClosureTyCon tc - = (arg_ty, res_ty) +vectLam :: Var -> VarSet -> [Var] -> CoreExprWithFVs -> VM VExpr +vectLam lc fvs bs body + = do + tyvars <- localTyVars + (vs, vvs) <- readLEnv $ \env -> + unzip [(var, vv) | var <- varSetElems fvs + , Just vv <- [lookupVarEnv (local_vars env) var]] - | otherwise = pprPanic "splitClosureTy" (ppr ty) + arg_tys <- mapM (vectType . idType) bs + res_ty <- vectType (exprType $ deAnnotate body) -mkPArrayTy :: Type -> VM Type -mkPArrayTy ty = do - tc <- builtin parrayTyCon - return $ TyConApp tc [ty] + buildClosures tyvars lc vvs arg_tys res_ty + . hoistPolyVExpr tyvars + $ do + new_lc <- newLocalVar FSLIT("lc") intPrimTy + (vbndrs, vbody) <- vectBndrsIn (vs ++ bs) + (vectExpr new_lc body) + return $ vLams new_lc vbndrs vbody + +vectTyAppExpr :: Var -> CoreExprWithFVs -> [Type] -> VM (CoreExpr, CoreExpr) +vectTyAppExpr lc (_, AnnVar v) tys = vectPolyVar lc v tys +vectTyAppExpr lc e tys = pprPanic "vectTyAppExpr" (ppr $ deAnnotate e)