module VectUtils (
collectAnnTypeBinders, collectAnnTypeArgs, isAnnTypeArg,
collectAnnValBinders,
- mkDataConTag,
- splitClosureTy,
- mkPlusType, mkPlusTypes, mkCrossType, mkCrossTypes, mkEmbedType,
- mkPlusAlts, mkCrosses, mkEmbed,
- mkPADictType, mkPArrayType,
+ dataConTagZ, mkDataConTag, mkDataConTagLit,
+
+ newLocalVVar,
+
+ mkBuiltinCo,
+ mkPADictType, mkPArrayType, mkPReprType,
+
parrayReprTyCon, parrayReprDataCon, mkVScrut,
+ prDFunOfTyCon,
paDictArgType, paDictOfType, paDFunType,
- paMethod, lengthPA, replicatePA, emptyPA, liftPA,
+ paMethod, mkPR, lengthPA, replicatePA, emptyPA, packPA, combinePA, liftPA,
polyAbstract, polyApply, polyVApply,
hoistBinding, hoistExpr, hoistPolyVExpr, takeHoisted,
buildClosure, buildClosures,
import DsUtils
import CoreSyn
import CoreUtils
+import Coercion
import Type
import TypeRep
import TyCon
-import DataCon ( DataCon, dataConWrapId, dataConTag )
+import DataCon
import Var
import Id ( mkWildId )
import MkId ( unwrapFamInstScrut )
-import PrelNames
import TysWiredIn
import BasicTypes ( Boxity(..) )
+import Literal ( Literal, mkMachInt )
import Outputable
import FastString
-import Control.Monad ( liftM, zipWithM_ )
+import Control.Monad
+
collectAnnTypeArgs :: AnnExpr b ann -> (AnnExpr b ann, [Type])
collectAnnTypeArgs expr = go expr []
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]
-
-isClosureTyCon :: TyCon -> Bool
-isClosureTyCon tc = tyConName tc == closureTyConName
+dataConTagZ :: DataCon -> Int
+dataConTagZ con = dataConTag con - fIRST_TAG
-splitClosureTy :: Type -> (Type, Type)
-splitClosureTy ty
- | Just (tc, [arg_ty, res_ty]) <- splitTyConApp_maybe ty
- , isClosureTyCon tc
- = (arg_ty, res_ty)
+mkDataConTagLit :: DataCon -> Literal
+mkDataConTagLit = mkMachInt . toInteger . dataConTagZ
- | otherwise = pprPanic "splitClosureTy" (ppr ty)
-
-isPArrayTyCon :: TyCon -> Bool
-isPArrayTyCon tc = tyConName tc == parrayTyConName
+mkDataConTag :: DataCon -> CoreExpr
+mkDataConTag = mkIntLitInt . dataConTagZ
-splitPArrayTy :: Type -> Type
-splitPArrayTy ty
- | Just (tc, [arg_ty]) <- splitTyConApp_maybe ty
- , isPArrayTyCon tc
- = arg_ty
+splitPrimTyCon :: Type -> Maybe TyCon
+splitPrimTyCon ty
+ | Just (tycon, []) <- splitTyConApp_maybe ty
+ , isPrimTyCon tycon
+ = Just tycon
- | otherwise = pprPanic "splitPArrayTy" (ppr ty)
+ | otherwise = Nothing
mkBuiltinTyConApp :: (Builtins -> TyCon) -> [Type] -> VM Type
mkBuiltinTyConApp get_tc tys
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
where
mk tc ty1 ty2 = mkTyConApp tc [ty1,ty2]
-mkBuiltinDataConApp :: (Builtins -> DataCon) -> [CoreExpr] -> VM CoreExpr
-mkBuiltinDataConApp get_dc args
- = do
- dc <- builtin get_dc
- return $ mkConApp dc args
-
-mkPlusType :: Type -> Type -> VM Type
-mkPlusType ty1 ty2 = mkBuiltinTyConApp plusTyCon [ty1, ty2]
-
-mkPlusTypes :: Type -> [Type] -> VM Type
-mkPlusTypes = mkBuiltinTyConApps1 plusTyCon
-
-mkPlusAlts :: [CoreExpr] -> VM [CoreExpr]
-mkPlusAlts [] = return []
-mkPlusAlts exprs
- = do
- plus_tc <- builtin plusTyCon
- left_dc <- builtin leftDataCon
- right_dc <- builtin rightDataCon
-
- let go [expr] = ([expr], exprType expr)
- go (expr : exprs)
- | (alts, right_ty) <- go exprs
- = (mkConApp left_dc [Type left_ty, Type right_ty, expr]
- : [mkConApp right_dc [Type left_ty, Type right_ty, alt]
- | alt <- alts],
- mkTyConApp plus_tc [left_ty, right_ty])
- where
- left_ty = exprType expr
-
- return . fst $ go exprs
-
-mkCrossType :: Type -> Type -> VM Type
-mkCrossType ty1 ty2 = mkBuiltinTyConApp crossTyCon [ty1, ty2]
-
-mkCrossTypes :: Type -> [Type] -> VM Type
-mkCrossTypes = mkBuiltinTyConApps1 crossTyCon
-
-mkCrosses :: [CoreExpr] -> VM CoreExpr
-mkCrosses [] = return (Var unitDataConId)
-mkCrosses exprs
- = do
- cross_tc <- builtin crossTyCon
- cross_dc <- builtin crossDataCon
-
- let mk (left, left_ty) (right, right_ty)
- = (mkConApp cross_dc [Type left_ty, Type right_ty, left, right],
- mkTyConApp cross_tc [left_ty, right_ty])
-
- return . fst
- $ foldr1 mk [(expr, exprType expr) | expr <- exprs]
-
-mkEmbedType :: Type -> VM Type
-mkEmbedType ty = mkBuiltinTyConApp embedTyCon [ty]
-
-mkEmbed :: CoreExpr -> VM CoreExpr
-mkEmbed expr = mkBuiltinDataConApp embedDataCon
- [Type $ exprType expr, expr]
-
mkClosureType :: Type -> Type -> VM Type
mkClosureType arg_ty res_ty = mkBuiltinTyConApp closureTyCon [arg_ty, res_ty]
+-}
mkClosureTypes :: [Type] -> Type -> VM Type
mkClosureTypes = mkBuiltinTyConApps closureTyCon
+mkPReprType :: Type -> VM Type
+mkPReprType ty = mkBuiltinTyConApp preprTyCon [ty]
+
mkPADictType :: Type -> VM Type
mkPADictType ty = mkBuiltinTyConApp paTyCon [ty]
mkPArrayType :: Type -> VM Type
+mkPArrayType ty
+ | Just tycon <- splitPrimTyCon ty
+ = do
+ arr <- traceMaybeV "mkPArrayType" (ppr tycon)
+ $ lookupPrimPArray tycon
+ return $ mkTyConApp arr []
mkPArrayType ty = mkBuiltinTyConApp parrayTyCon [ty]
+mkBuiltinCo :: (Builtins -> TyCon) -> VM Coercion
+mkBuiltinCo get_tc
+ = do
+ tc <- builtin get_tc
+ return $ mkTyConApp tc []
+
parrayReprTyCon :: Type -> VM (TyCon, [Type])
parrayReprTyCon ty = builtin parrayTyCon >>= (`lookupFamInst` [ty])
(tc, arg_tys) <- parrayReprTyCon (exprType ve)
return ((ve, unwrapFamInstScrut tc arg_tys le), tc, arg_tys)
+prDFunOfTyCon :: TyCon -> VM CoreExpr
+prDFunOfTyCon tycon
+ = liftM Var (traceMaybeV "prDictOfTyCon" (ppr tycon) (lookupTyConPR tycon))
+
paDictArgType :: TyVar -> VM (Maybe Type)
paDictArgType tv = go (TyVarTy tv) (tyVarKind tv)
where
| 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
= do
dfun <- traceMaybeV "paDictOfTyApp" (ppr tc) (lookupTyConPA tc)
paDFunApply (Var dfun) ty_args
-paDictOfTyApp ty ty_args = pprPanic "paDictOfTyApp" (ppr ty)
+paDictOfTyApp ty _ = pprPanic "paDictOfTyApp" (ppr ty)
paDFunType :: TyCon -> VM Type
paDFunType tc
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
+ = do
+ fn <- traceMaybeV "paMethod" (ppr tycon <+> text name)
+ $ lookupPrimMethod tycon name
+ return (Var fn)
+
+paMethod (method, _name) ty
= do
fn <- builtin method
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)
+mkPR :: Type -> VM CoreExpr
+mkPR ty
+ = do
+ fn <- builtin mkPRVar
+ dict <- paDictOfType ty
+ return $ mkApps (Var fn) [Type ty, dict]
+
+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
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
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
tys = map idType 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)
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)])
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
where
vty = mkCoreTupTy tys
- bndrs | null vs = [mkWildId unitTy]
- | otherwise = vs
+ args | null vs = [Var unitDataConId]
+ | otherwise = map Var vs