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 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 []
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)
-
- | otherwise = pprPanic s (ppr ty)
+dataConTagZ :: DataCon -> Int
+dataConTagZ con = dataConTag con - fIRST_TAG
-splitFixedTyConApp :: TyCon -> Type -> [Type]
-splitFixedTyConApp tc ty
- | Just (tc', tys) <- splitTyConApp_maybe ty
- , tc == tc'
- = tys
+mkDataConTagLit :: DataCon -> Literal
+mkDataConTagLit = mkMachInt . toInteger . dataConTagZ
- | 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
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
mkClosureType :: Type -> Type -> VM Type
mkClosureType arg_ty res_ty = mkBuiltinTyConApp closureTyCon [arg_ty, res_ty]
+-}
mkClosureTypes :: [Type] -> Type -> VM Type
mkClosureTypes = mkBuiltinTyConApps closureTyCon
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]
-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])
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
-
paDictArgType :: TyVar -> VM (Maybe Type)
paDictArgType tv = go (TyVarTy tv) (tyVarKind tv)
where
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
| 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]
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
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])
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
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
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
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