X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fvectorise%2FVectUtils.hs;h=3bf97fa7ffbe2f2cad7e29c38b90926c44c09cd7;hb=3f6a74eafcabc1f8d496937a33ec92e7b416f989;hp=a50b4de3c73da303e69b65b6e43b433472f65d13;hpb=27cb0a02d3e4c7a166e2c991e6ad4c09f54a10bc;p=ghc-hetmet.git diff --git a/compiler/vectorise/VectUtils.hs b/compiler/vectorise/VectUtils.hs index a50b4de..3bf97fa 100644 --- a/compiler/vectorise/VectUtils.hs +++ b/compiler/vectorise/VectUtils.hs @@ -1,27 +1,27 @@ module VectUtils ( collectAnnTypeBinders, collectAnnTypeArgs, isAnnTypeArg, collectAnnValBinders, - mkDataConTag, - splitClosureTy, + dataConTagZ, mkDataConTag, mkDataConTagLit, + newLocalVVar, + + mkBuiltinCo, mkPADictType, mkPArrayType, mkPReprType, - parrayCoerce, parrayReprTyCon, parrayReprDataCon, mkVScrut, - prDFunOfTyCon, prCoerce, + parrayReprTyCon, parrayReprDataCon, mkVScrut, + prDFunOfTyCon, paDictArgType, paDictOfType, paDFunType, - paMethod, mkPR, lengthPA, replicatePA, emptyPA, liftPA, + paMethod, mkPR, lengthPA, replicatePA, emptyPA, packPA, combinePA, liftPA, polyAbstract, polyApply, polyVApply, hoistBinding, hoistExpr, hoistPolyVExpr, takeHoisted, buildClosure, buildClosures, mkClosureApp ) where -#include "HsVersions.h" - import VectCore import VectMonad -import DsUtils +import MkCore import CoreSyn import CoreUtils import Coercion @@ -32,17 +32,15 @@ import DataCon import Var import Id ( mkWildId ) import MkId ( unwrapFamInstScrut ) -import Name ( Name ) -import PrelNames import TysWiredIn -import TysPrim ( intPrimTy ) import BasicTypes ( Boxity(..) ) +import Literal ( Literal, mkMachInt ) import Outputable import FastString -import Data.List ( zipWith4 ) -import Control.Monad ( liftM, liftM2, zipWithM_ ) +import Control.Monad + collectAnnTypeArgs :: AnnExpr b ann -> (AnnExpr b ann, [Type]) collectAnnTypeArgs expr = go expr [] @@ -59,45 +57,29 @@ collectAnnTypeBinders expr = go [] expr collectAnnValBinders :: AnnExpr Var ann -> ([Var], AnnExpr Var ann) collectAnnValBinders expr = go [] expr where - go bs (_, AnnLam b e) | isId b = go (b:bs) e - go bs e = (reverse bs, e) + go bs (_, AnnLam b e) | isIdVar b = go (b:bs) e + go bs e = (reverse bs, e) isAnnTypeArg :: AnnExpr b ann -> Bool -isAnnTypeArg (_, AnnType t) = True +isAnnTypeArg (_, AnnType _) = True isAnnTypeArg _ = False -mkDataConTag :: DataCon -> CoreExpr -mkDataConTag dc = mkConApp intDataCon [mkIntLitInt $ dataConTag dc] - -splitUnTy :: String -> Name -> Type -> Type -splitUnTy s name ty - | Just (tc, [ty']) <- splitTyConApp_maybe ty - , tyConName tc == name - = ty' - - | otherwise = pprPanic s (ppr ty) - -splitBinTy :: String -> Name -> Type -> (Type, Type) -splitBinTy s name ty - | Just (tc, [ty1, ty2]) <- splitTyConApp_maybe ty - , tyConName tc == name - = (ty1, ty2) +dataConTagZ :: DataCon -> Int +dataConTagZ con = dataConTag con - fIRST_TAG - | otherwise = pprPanic s (ppr ty) +mkDataConTagLit :: DataCon -> Literal +mkDataConTagLit = mkMachInt . toInteger . dataConTagZ -splitFixedTyConApp :: TyCon -> Type -> [Type] -splitFixedTyConApp tc ty - | Just (tc', tys) <- splitTyConApp_maybe ty - , tc == tc' - = tys - - | otherwise = pprPanic "splitFixedTyConApp" (ppr tc <+> ppr ty) +mkDataConTag :: DataCon -> CoreExpr +mkDataConTag = mkIntLitInt . dataConTagZ -splitClosureTy :: Type -> (Type, Type) -splitClosureTy = splitBinTy "splitClosureTy" closureTyConName +splitPrimTyCon :: Type -> Maybe TyCon +splitPrimTyCon ty + | Just (tycon, []) <- splitTyConApp_maybe ty + , isPrimTyCon tycon + = Just tycon -splitPArrayTy :: Type -> Type -splitPArrayTy = splitUnTy "splitPArrayTy" parrayTyConName + | otherwise = Nothing mkBuiltinTyConApp :: (Builtins -> TyCon) -> [Type] -> VM Type mkBuiltinTyConApp get_tc tys @@ -113,9 +95,10 @@ mkBuiltinTyConApps get_tc tys ty where mk tc ty1 ty2 = mkTyConApp tc [ty1,ty2] +{- mkBuiltinTyConApps1 :: (Builtins -> TyCon) -> Type -> [Type] -> VM Type -mkBuiltinTyConApps1 get_tc dft [] = return dft -mkBuiltinTyConApps1 get_tc dft tys +mkBuiltinTyConApps1 _ dft [] = return dft +mkBuiltinTyConApps1 get_tc _ tys = do tc <- builtin get_tc case tys of @@ -126,6 +109,7 @@ mkBuiltinTyConApps1 get_tc dft tys mkClosureType :: Type -> Type -> VM Type mkClosureType arg_ty res_ty = mkBuiltinTyConApp closureTyCon [arg_ty, res_ty] +-} mkClosureTypes :: [Type] -> Type -> VM Type mkClosureTypes = mkBuiltinTyConApps closureTyCon @@ -137,18 +121,20 @@ mkPADictType :: Type -> VM Type mkPADictType ty = mkBuiltinTyConApp paTyCon [ty] mkPArrayType :: Type -> VM Type +mkPArrayType ty + | Just tycon <- splitPrimTyCon ty + = do + r <- lookupPrimPArray tycon + case r of + Just arr -> return $ mkTyConApp arr [] + Nothing -> cantVectorise "Primitive tycon not vectorised" (ppr tycon) mkPArrayType ty = mkBuiltinTyConApp parrayTyCon [ty] -parrayCoerce :: TyCon -> [Type] -> CoreExpr -> VM CoreExpr -parrayCoerce repr_tc args expr - | Just arg_co <- tyConFamilyCoercion_maybe repr_tc +mkBuiltinCo :: (Builtins -> TyCon) -> VM Coercion +mkBuiltinCo get_tc = do - parray <- builtin parrayTyCon - - let co = mkAppCoercion (mkTyConApp parray []) - (mkSymCoercion (mkTyConApp arg_co args)) - - return $ mkCoerce co expr + tc <- builtin get_tc + return $ mkTyConApp tc [] parrayReprTyCon :: Type -> VM (TyCon, [Type]) parrayReprTyCon ty = builtin parrayTyCon >>= (`lookupFamInst` [ty]) @@ -168,18 +154,9 @@ mkVScrut (ve, le) prDFunOfTyCon :: TyCon -> VM CoreExpr prDFunOfTyCon tycon - = liftM Var (traceMaybeV "prDictOfTyCon" (ppr tycon) (lookupTyConPR tycon)) - -prCoerce :: TyCon -> [Type] -> CoreExpr -> VM CoreExpr -prCoerce repr_tc args expr - | Just arg_co <- tyConFamilyCoercion_maybe repr_tc - = do - pr_tc <- builtin prTyCon - - let co = mkAppCoercion (mkTyConApp pr_tc []) - (mkSymCoercion (mkTyConApp arg_co args)) - - return $ mkCoerce co expr + = liftM Var + . maybeCantVectoriseM "No PR dictionary for tycon" (ppr tycon) + $ lookupTyConPR tycon paDictArgType :: TyVar -> VM (Maybe Type) paDictArgType tv = go (TyVarTy tv) (tyVarKind tv) @@ -187,7 +164,7 @@ paDictArgType tv = go (TyVarTy tv) (tyVarKind tv) go ty k | Just k' <- kindView k = go ty k' go ty (FunTy k1 k2) = do - tv <- newTyVar FSLIT("a") k1 + tv <- newTyVar (fsLit "a") k1 mty1 <- go (TyVarTy tv) k1 case mty1 of Just ty1 -> do @@ -199,7 +176,7 @@ paDictArgType tv = go (TyVarTy tv) (tyVarKind tv) | isLiftedTypeKind k = liftM Just (mkPADictType ty) - go ty k = return Nothing + go _ _ = return Nothing paDictOfType :: Type -> VM CoreExpr paDictOfType ty = paDictOfTyApp ty_fn ty_args @@ -215,9 +192,11 @@ paDictOfTyApp (TyVarTy tv) ty_args paDFunApply dfun ty_args paDictOfTyApp (TyConApp tc _) ty_args = do - dfun <- traceMaybeV "paDictOfTyApp" (ppr tc) (lookupTyConPA tc) + dfun <- maybeCantVectoriseM "No PA dictionary for tycon" (ppr tc) + $ lookupTyConPA tc paDFunApply (Var dfun) ty_args -paDictOfTyApp ty ty_args = pprPanic "paDictOfTyApp" (ppr ty) +paDictOfTyApp ty _ + = cantVectorise "Can't construct PA dictionary for type" (ppr ty) paDFunType :: TyCon -> VM Type paDFunType tc @@ -236,27 +215,55 @@ paDFunApply dfun tys dicts <- mapM paDictOfType tys return $ mkApps (mkTyApps dfun tys) dicts -paMethod :: (Builtins -> Var) -> Type -> VM CoreExpr -paMethod method ty +type PAMethod = (Builtins -> Var, String) + +pa_length, pa_replicate, pa_empty, pa_pack :: (Builtins -> Var, String) +pa_length = (lengthPAVar, "lengthPA") +pa_replicate = (replicatePAVar, "replicatePA") +pa_empty = (emptyPAVar, "emptyPA") +pa_pack = (packPAVar, "packPA") + +paMethod :: PAMethod -> Type -> VM CoreExpr +paMethod (_method, name) ty + | Just tycon <- splitPrimTyCon ty + = liftM Var + . maybeCantVectoriseM "No PA method" (text name <+> text "for" <+> ppr tycon) + $ lookupPrimMethod tycon name + +paMethod (method, _name) ty = do fn <- builtin method dict <- paDictOfType ty return $ mkApps (Var fn) [Type ty, dict] mkPR :: Type -> VM CoreExpr -mkPR = paMethod mkPRVar +mkPR ty + = do + fn <- builtin mkPRVar + dict <- paDictOfType ty + return $ mkApps (Var fn) [Type ty, dict] -lengthPA :: CoreExpr -> VM CoreExpr -lengthPA x = liftM (`App` x) (paMethod lengthPAVar ty) - where - ty = splitPArrayTy (exprType x) +lengthPA :: Type -> CoreExpr -> VM CoreExpr +lengthPA ty x = liftM (`App` x) (paMethod pa_length ty) replicatePA :: CoreExpr -> CoreExpr -> VM CoreExpr replicatePA len x = liftM (`mkApps` [len,x]) - (paMethod replicatePAVar (exprType x)) + (paMethod pa_replicate (exprType x)) emptyPA :: Type -> VM CoreExpr -emptyPA = paMethod emptyPAVar +emptyPA = paMethod pa_empty + +packPA :: Type -> CoreExpr -> CoreExpr -> CoreExpr -> VM CoreExpr +packPA ty xs len sel = liftM (`mkApps` [xs, len, sel]) + (paMethod pa_pack ty) + +combinePA :: Type -> CoreExpr -> CoreExpr -> CoreExpr -> [CoreExpr] + -> VM CoreExpr +combinePA ty len sel is xs + = liftM (`mkApps` (len : sel : is : xs)) + (paMethod (combinePAVar n, "combine" ++ show n ++ "PA") ty) + where + n = length xs liftPA :: CoreExpr -> VM CoreExpr liftPA x @@ -283,7 +290,7 @@ polyAbstract tvs p mk_dict_var tv = do r <- paDictArgType tv case r of - Just ty -> liftM Just (newLocalVar FSLIT("dPA") ty) + Just ty -> liftM Just (newLocalVar (fsLit "dPA") ty) Nothing -> return Nothing mk_lams mdicts = mkLams (tvs ++ [dict | Just dict <- mdicts]) @@ -334,6 +341,20 @@ takeHoisted setGEnv $ env { global_bindings = [] } return $ global_bindings env +{- +boxExpr :: Type -> VExpr -> VM VExpr +boxExpr ty (vexpr, lexpr) + | Just (tycon, []) <- splitTyConApp_maybe ty + , isUnLiftedTyCon tycon + = do + r <- lookupBoxedTyCon tycon + case r of + Just tycon' -> let [dc] = tyConDataCons tycon' + in + return (mkConApp dc [vexpr], lexpr) + Nothing -> return (vexpr, lexpr) +-} + mkClosure :: Type -> Type -> Type -> VExpr -> VExpr -> VM VExpr mkClosure arg_ty res_ty env_ty (vfn,lfn) (venv,lenv) = do @@ -343,25 +364,23 @@ mkClosure arg_ty res_ty env_ty (vfn,lfn) (venv,lenv) return (Var mkv `mkTyApps` [arg_ty, res_ty, env_ty] `mkApps` [dict, vfn, lfn, venv], Var mkl `mkTyApps` [arg_ty, res_ty, env_ty] `mkApps` [dict, vfn, lfn, lenv]) -mkClosureApp :: VExpr -> VExpr -> VM VExpr -mkClosureApp (vclo, lclo) (varg, larg) +mkClosureApp :: Type -> Type -> VExpr -> VExpr -> VM VExpr +mkClosureApp arg_ty res_ty (vclo, lclo) (varg, larg) = do vapply <- builtin applyClosureVar lapply <- builtin applyClosurePVar return (Var vapply `mkTyApps` [arg_ty, res_ty] `mkApps` [vclo, varg], Var lapply `mkTyApps` [arg_ty, res_ty] `mkApps` [lclo, larg]) - where - (arg_ty, res_ty) = splitClosureTy (exprType vclo) buildClosures :: [TyVar] -> [VVar] -> [Type] -> Type -> VM VExpr -> VM VExpr -buildClosures tvs vars [] res_ty mk_body +buildClosures _ _ [] _ mk_body = mk_body buildClosures tvs vars [arg_ty] res_ty mk_body = buildClosure tvs vars arg_ty res_ty mk_body buildClosures tvs vars (arg_ty : arg_tys) res_ty mk_body = do res_ty' <- mkClosureTypes arg_tys res_ty - arg <- newLocalVVar FSLIT("x") arg_ty + arg <- newLocalVVar (fsLit "x") arg_ty buildClosure tvs vars arg_ty res_ty' . hoistPolyVExpr tvs $ do @@ -378,8 +397,8 @@ buildClosure :: [TyVar] -> [VVar] -> Type -> Type -> VM VExpr -> VM VExpr buildClosure tvs vars arg_ty res_ty mk_body = do (env_ty, env, bind) <- buildEnv vars - env_bndr <- newLocalVVar FSLIT("env") env_ty - arg_bndr <- newLocalVVar FSLIT("arg") arg_ty + env_bndr <- newLocalVVar (fsLit "env") env_ty + arg_bndr <- newLocalVVar (fsLit "arg") arg_ty fn <- hoistPolyVExpr tvs $ do @@ -405,10 +424,10 @@ buildEnv vvs return (vbody', lbody')) where (vs,ls) = unzip vvs - tys = map idType vs + tys = map varType vs mkVectEnv :: [Type] -> [Var] -> (Type, CoreExpr, CoreExpr -> CoreExpr -> CoreExpr) -mkVectEnv [] [] = (unitTy, Var unitDataConId, \env body -> body) +mkVectEnv [] [] = (unitTy, Var unitDataConId, \_ body -> body) mkVectEnv [ty] [v] = (ty, Var v, \env body -> Let (NonRec v env) body) mkVectEnv tys vs = (ty, mkCoreTup (map Var vs), \env body -> Case env (mkWildId ty) (exprType body) @@ -420,7 +439,7 @@ mkLiftEnv :: Var -> [Type] -> [Var] -> VM (CoreExpr, CoreExpr -> CoreExpr -> VM mkLiftEnv lc [ty] [v] = return (Var v, \env body -> do - len <- lengthPA (Var v) + len <- lengthPA ty (Var v) return . Let (NonRec v env) $ Case len lc (exprType body) [(DEFAULT, [], body)]) @@ -428,11 +447,16 @@ mkLiftEnv lc [ty] [v] mkLiftEnv lc tys vs = do (env_tc, env_tyargs) <- parrayReprTyCon vty + + bndrs <- if null vs then do + v <- newDummyVar unitTy + return [v] + else return vs let [env_con] = tyConDataCons env_tc env = Var (dataConWrapId env_con) `mkTyApps` env_tyargs - `mkVarApps` (lc : vs) + `mkApps` (Var lc : args) bind env body = let scrut = unwrapFamInstScrut env_tc env_tyargs env in @@ -443,6 +467,6 @@ mkLiftEnv lc tys vs where vty = mkCoreTupTy tys - bndrs | null vs = [mkWildId unitTy] - | otherwise = vs + args | null vs = [Var unitDataConId] + | otherwise = map Var vs