module VectUtils (
collectAnnTypeBinders, collectAnnTypeArgs, isAnnTypeArg,
collectAnnValBinders,
- splitClosureTy,
- mkPADictType, mkPArrayType,
- paDictArgType, paDictOfType,
- paMethod, lengthPA, replicatePA, emptyPA,
+ dataConTagZ, mkDataConTag, mkDataConTagLit,
+
+ newLocalVVar,
+
+ mkBuiltinCo,
+ mkPADictType, mkPArrayType, mkPReprType,
+
+ parrayReprTyCon, parrayReprDataCon, mkVScrut,
+ prDFunOfTyCon,
+ paDictArgType, paDictOfType, paDFunType,
+ paMethod, mkPR, lengthPA, replicatePA, emptyPA, packPA, combinePA, liftPA,
polyAbstract, polyApply, polyVApply,
- lookupPArrayFamInst,
- hoistExpr, hoistPolyVExpr, takeHoisted,
- buildClosure, buildClosures
+ 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
import Type
import TypeRep
import TyCon
-import DataCon ( dataConWrapId )
+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
-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)
+mkDataConTag :: DataCon -> CoreExpr
+mkDataConTag = mkIntLitInt . dataConTagZ
-isPArrayTyCon :: TyCon -> Bool
-isPArrayTyCon tc = tyConName tc == parrayTyConName
+splitPrimTyCon :: Type -> Maybe TyCon
+splitPrimTyCon ty
+ | Just (tycon, []) <- splitTyConApp_maybe ty
+ , isPrimTyCon tycon
+ = Just tycon
-splitPArrayTy :: Type -> Type
-splitPArrayTy ty
- | Just (tc, [arg_ty]) <- splitTyConApp_maybe ty
- , isPArrayTyCon tc
- = arg_ty
+ | otherwise = Nothing
- | otherwise = pprPanic "splitPArrayTy" (ppr ty)
+mkBuiltinTyConApp :: (Builtins -> TyCon) -> [Type] -> VM Type
+mkBuiltinTyConApp get_tc tys
+ = do
+ tc <- builtin get_tc
+ return $ mkTyConApp tc tys
-mkClosureType :: Type -> Type -> VM Type
-mkClosureType arg_ty res_ty
+mkBuiltinTyConApps :: (Builtins -> TyCon) -> [Type] -> Type -> VM Type
+mkBuiltinTyConApps get_tc tys ty
= do
- tc <- builtin closureTyCon
- return $ mkTyConApp tc [arg_ty, res_ty]
+ tc <- builtin get_tc
+ return $ foldr (mk tc) ty tys
+ where
+ mk tc ty1 ty2 = mkTyConApp tc [ty1,ty2]
-mkClosureTypes :: [Type] -> Type -> VM Type
-mkClosureTypes arg_tys res_ty
+{-
+mkBuiltinTyConApps1 :: (Builtins -> TyCon) -> Type -> [Type] -> VM Type
+mkBuiltinTyConApps1 _ dft [] = return dft
+mkBuiltinTyConApps1 get_tc _ tys
= do
- tc <- builtin closureTyCon
- return $ foldr (mk tc) res_ty arg_tys
+ tc <- builtin get_tc
+ case tys of
+ [] -> pprPanic "mkBuiltinTyConApps1" (ppr tc)
+ _ -> return $ foldr1 (mk tc) tys
where
- mk tc arg_ty res_ty = mkTyConApp tc [arg_ty, res_ty]
+ mk tc ty1 ty2 = mkTyConApp tc [ty1,ty2]
+
+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
- = do
- tc <- builtin paDictTyCon
- return $ TyConApp tc [ty]
+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]
+
+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])
+
+parrayReprDataCon :: Type -> VM (DataCon, [Type])
+parrayReprDataCon ty
+ = do
+ (tc, arg_tys) <- parrayReprTyCon ty
+ let [dc] = tyConDataCons tc
+ return (dc, arg_tys)
+
+mkVScrut :: VExpr -> VM (VExpr, TyCon, [Type])
+mkVScrut (ve, le)
= do
- tc <- builtin parrayTyCon
- return $ TyConApp tc [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
+ . maybeCantVectoriseM "No PR dictionary for tycon" (ppr tycon)
+ $ lookupTyConPR tycon
paDictArgType :: TyVar -> VM (Maybe Type)
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
| 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
paDFunApply dfun ty_args
paDictOfTyApp (TyConApp tc _) ty_args
= do
- pa_class <- builtin paClass
- (dfun, ty_args') <- lookupInst pa_class [TyConApp tc ty_args]
- paDFunApply (Var dfun) ty_args'
-paDictOfTyApp ty ty_args = pprPanic "paDictOfTyApp" (ppr ty)
+ dfun <- maybeCantVectoriseM "No PA dictionary for tycon" (ppr tc)
+ $ lookupTyConPA tc
+ paDFunApply (Var dfun) ty_args
+paDictOfTyApp ty _
+ = cantVectorise "Can't construct PA dictionary for type" (ppr ty)
+
+paDFunType :: TyCon -> VM Type
+paDFunType tc
+ = do
+ margs <- mapM paDictArgType tvs
+ res <- mkPADictType (mkTyConApp tc arg_tys)
+ return . mkForAllTys tvs
+ $ mkFunTys [arg | Just arg <- margs] res
+ where
+ tvs = tyConTyVars tc
+ arg_tys = mkTyVarTys tvs
paDFunApply :: CoreExpr -> [Type] -> VM CoreExpr
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]
-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
+ = do
+ lc <- builtin liftingContext
+ replicatePA (Var lc) x
newLocalVVar :: FastString -> Type -> VM VVar
newLocalVVar fs vty
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])
dicts <- mapM paDictOfType tys
return $ mapVect (\e -> e `mkTyApps` tys `mkApps` dicts) expr
-lookupPArrayFamInst :: Type -> VM (TyCon, [Type])
-lookupPArrayFamInst ty = builtin parrayTyCon >>= (`lookupFamInst` [ty])
+hoistBinding :: Var -> CoreExpr -> VM ()
+hoistBinding v e = updGEnv $ \env ->
+ env { global_bindings = (v,e) : global_bindings env }
hoistExpr :: FastString -> CoreExpr -> VM Var
hoistExpr fs expr
= do
var <- newLocalVar fs (exprType expr)
- updGEnv $ \env ->
- env { global_bindings = (var, expr) : global_bindings env }
+ hoistBinding var expr
return var
hoistVExpr :: VExpr -> VM VVar
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)
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])
-buildClosures :: [TyVar] -> Var -> [VVar] -> [Type] -> Type -> VM VExpr -> VM VExpr
-buildClosures tvs lc vars [arg_ty] res_ty mk_body
- = buildClosure tvs lc vars arg_ty res_ty mk_body
-buildClosures tvs lc vars (arg_ty : arg_tys) res_ty mk_body
+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])
+
+buildClosures :: [TyVar] -> [VVar] -> [Type] -> Type -> VM VExpr -> VM VExpr
+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
- buildClosure tvs lc vars arg_ty res_ty'
+ arg <- newLocalVVar (fsLit "x") arg_ty
+ buildClosure tvs vars arg_ty res_ty'
. hoistPolyVExpr tvs
$ do
- clo <- buildClosures tvs lc (vars ++ [arg]) arg_tys res_ty mk_body
+ lc <- builtin liftingContext
+ clo <- buildClosures tvs (vars ++ [arg]) arg_tys res_ty mk_body
return $ vLams lc (vars ++ [arg]) clo
-- (clo <x1,...,xn> <f,f^>, aclo (Arr lc xs1 ... xsn) <f,f^>)
-- f = \env v -> case env of <x1,...,xn> -> e x1 ... xn v
-- f^ = \env v -> case env of Arr l xs1 ... xsn -> e^ l x1 ... xn v
--
-buildClosure :: [TyVar] -> Var -> [VVar] -> Type -> Type -> VM VExpr -> VM VExpr
-buildClosure tvs lv vars arg_ty res_ty mk_body
+buildClosure :: [TyVar] -> [VVar] -> Type -> Type -> VM VExpr -> VM VExpr
+buildClosure tvs vars arg_ty res_ty mk_body
= do
- (env_ty, env, bind) <- buildEnv lv vars
- env_bndr <- newLocalVVar FSLIT("env") env_ty
- arg_bndr <- newLocalVVar FSLIT("arg") arg_ty
+ (env_ty, env, bind) <- buildEnv vars
+ env_bndr <- newLocalVVar (fsLit "env") env_ty
+ arg_bndr <- newLocalVVar (fsLit "arg") arg_ty
fn <- hoistPolyVExpr tvs
$ do
+ lc <- builtin liftingContext
body <- mk_body
body' <- bind (vVar env_bndr)
- (vVarApps lv body (vars ++ [arg_bndr]))
+ (vVarApps lc body (vars ++ [arg_bndr]))
return (vLamsWithoutLC [env_bndr, arg_bndr] body')
mkClosure arg_ty res_ty env_ty fn env
-buildEnv :: Var -> [VVar] -> VM (Type, VExpr, VExpr -> VExpr -> VM VExpr)
-buildEnv lv vvs
+buildEnv :: [VVar] -> VM (Type, VExpr, VExpr -> VExpr -> VM VExpr)
+buildEnv vvs
= do
+ lc <- builtin liftingContext
let (ty, venv, vbind) = mkVectEnv tys vs
- (lenv, lbind) <- mkLiftEnv lv tys ls
+ (lenv, lbind) <- mkLiftEnv lc tys ls
return (ty, (venv, lenv),
\(venv,lenv) (vbody,lbody) ->
do
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)
+ \env body -> mkWildCase env ty (exprType body)
[(DataAlt (tupleCon Boxed (length vs)), vs, body)])
where
ty = mkCoreTupTy tys
mkLiftEnv :: Var -> [Type] -> [Var] -> VM (CoreExpr, CoreExpr -> CoreExpr -> VM CoreExpr)
-mkLiftEnv lv [ty] [v]
+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 lv (exprType body) [(DEFAULT, [], body)])
+ $ Case len lc (exprType body) [(DEFAULT, [], body)])
-- NOTE: this transparently deals with empty environments
-mkLiftEnv lv tys vs
+mkLiftEnv lc tys vs
= do
- (env_tc, env_tyargs) <- lookupPArrayFamInst vty
+ (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` (lv : vs)
+ `mkApps` (Var lc : args)
bind env body = let scrut = unwrapFamInstScrut env_tc env_tyargs env
in
- return $ Case scrut (mkWildId (exprType scrut))
+ return $ mkWildCase scrut (exprType scrut)
(exprType body)
- [(DataAlt env_con, lv : bndrs, body)]
+ [(DataAlt env_con, lc : bndrs, body)]
return (env, bind)
where
vty = mkCoreTupTy tys
- bndrs | null vs = [mkWildId unitTy]
- | otherwise = vs
+ args | null vs = [Var unitDataConId]
+ | otherwise = map Var vs
projects / ghc-hetmet.git / blobdiff