buildClosure, buildClosures,
mkClosureApp
) where
-
-import VectCore
import VectMonad
+import Vectorise.Env
+import Vectorise.Vect
import MkCore ( mkCoreTup, mkWildCase )
import CoreSyn
import MkId ( unwrapFamInstScrut )
import Id ( setIdUnfolding )
import TysWiredIn
-import BasicTypes ( Boxity(..) )
+import BasicTypes ( Boxity(..), Arity )
import Literal ( Literal, mkMachInt )
+
import Outputable
import FastString
. maybeCantVectoriseM "No PR dictionary for tycon" (ppr tycon)
$ lookupTyConPR tycon
+
paDictArgType :: TyVar -> VM (Maybe Type)
paDictArgType tv = go (TyVarTy tv) (tyVarKind tv)
where
go _ _ = return Nothing
-paDictOfType :: Type -> VM CoreExpr
-paDictOfType ty = paDictOfTyApp ty_fn ty_args
+
+-- | Get the PA dictionary for some type, or `Nothing` if there isn't one.
+paDictOfType :: Type -> VM (Maybe CoreExpr)
+paDictOfType ty
+ = paDictOfTyApp ty_fn ty_args
where
(ty_fn, ty_args) = splitAppTys ty
-paDictOfTyApp :: Type -> [Type] -> VM CoreExpr
-paDictOfTyApp ty_fn ty_args
- | Just ty_fn' <- coreView ty_fn = paDictOfTyApp ty_fn' ty_args
-paDictOfTyApp (TyVarTy tv) ty_args
- = do
- dfun <- maybeV (lookupTyVarPA tv)
- paDFunApply dfun ty_args
-paDictOfTyApp (TyConApp tc _) ty_args
- = do
- 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)
+ paDictOfTyApp :: Type -> [Type] -> VM (Maybe CoreExpr)
+ paDictOfTyApp ty_fn ty_args
+ | Just ty_fn' <- coreView ty_fn
+ = paDictOfTyApp ty_fn' ty_args
+
+ paDictOfTyApp (TyVarTy tv) ty_args
+ = do dfun <- maybeV (lookupTyVarPA tv)
+ liftM Just $ paDFunApply dfun ty_args
+
+ paDictOfTyApp (TyConApp tc _) ty_args
+ = do mdfun <- lookupTyConPA tc
+ case mdfun of
+ Nothing
+ -> pprTrace "VectUtils.paDictOfType"
+ (vcat [ text "No PA dictionary"
+ , text "for tycon: " <> ppr tc
+ , text "in type: " <> ppr ty])
+ $ return Nothing
+
+ Just dfun -> liftM Just $ paDFunApply (Var dfun) ty_args
+
+ paDictOfTyApp ty _
+ = cantVectorise "Can't construct PA dictionary for type" (ppr ty)
+
+
paDFunType :: TyCon -> VM Type
paDFunType tc
paDFunApply :: CoreExpr -> [Type] -> VM CoreExpr
paDFunApply dfun tys
- = do
- dicts <- mapM paDictOfType tys
+ = do Just dicts <- liftM sequence $ mapM paDictOfType tys
return $ mkApps (mkTyApps dfun tys) dicts
+
paMethod :: (Builtins -> Var) -> String -> Type -> VM CoreExpr
paMethod _ name ty
| Just tycon <- splitPrimTyCon ty
paMethod method _ ty
= do
- fn <- builtin method
- dict <- paDictOfType ty
+ fn <- builtin method
+ Just dict <- paDictOfType ty
return $ mkApps (Var fn) [Type ty, dict]
prDictOfType :: Type -> VM CoreExpr
wrapPR :: Type -> VM CoreExpr
wrapPR ty
= do
- pa_dict <- paDictOfType ty
- pr_dfun <- prDFunOfTyCon =<< builtin wrapTyCon
+ Just pa_dict <- paDictOfType ty
+ pr_dfun <- prDFunOfTyCon =<< builtin wrapTyCon
return $ mkApps pr_dfun [Type ty, pa_dict]
replicatePD :: CoreExpr -> CoreExpr -> VM CoreExpr
where
n = length xs
+-- | Like `replicatePD` but use the lifting context in the vectoriser state.
liftPD :: CoreExpr -> VM CoreExpr
liftPD x
= do
scalarClosure :: [Type] -> Type -> CoreExpr -> CoreExpr -> VM CoreExpr
scalarClosure arg_tys res_ty scalar_fun array_fun
= do
- ctr <- builtin (closureCtrFun $ length arg_tys)
- pas <- mapM paDictOfType (init arg_tys)
+ ctr <- builtin (closureCtrFun $ length arg_tys)
+ Just pas <- liftM sequence $ mapM paDictOfType (init arg_tys)
return $ Var ctr `mkTyApps` (arg_tys ++ [res_ty])
`mkApps` (pas ++ [scalar_fun, array_fun])
polyApply :: CoreExpr -> [Type] -> VM CoreExpr
polyApply expr tys
- = do
- dicts <- mapM paDictOfType tys
+ = do Just dicts <- liftM sequence $ mapM paDictOfType tys
return $ expr `mkTyApps` tys `mkApps` dicts
polyVApply :: VExpr -> [Type] -> VM VExpr
polyVApply expr tys
- = do
- dicts <- mapM paDictOfType tys
- return $ mapVect (\e -> e `mkTyApps` tys `mkApps` dicts) expr
-
+ = do Just dicts <- liftM sequence $ mapM paDictOfType tys
+ return $ mapVect (\e -> e `mkTyApps` tys `mkApps` dicts) expr
-data Inline = Inline Int -- arity
- | DontInline
+-- Inline ---------------------------------------------------------------------
+-- | Records whether we should inline a particular binding.
+data Inline
+ = Inline Arity
+ | DontInline
+-- | Add to the arity contained within an `Inline`, if any.
addInlineArity :: Inline -> Int -> Inline
addInlineArity (Inline m) n = Inline (m+n)
addInlineArity DontInline _ = DontInline
+-- | Says to always inline a binding.
inlineMe :: Inline
inlineMe = Inline 0
+
+-- Hoising --------------------------------------------------------------------
hoistBinding :: Var -> CoreExpr -> VM ()
hoistBinding v e = updGEnv $ \env ->
env { global_bindings = (v,e) : global_bindings env }
where
mk_inline var = case inl of
Inline arity -> var `setIdUnfolding`
- mkInlineRule needSaturated expr arity
+ mkInlineRule expr (Just arity)
DontInline -> var
hoistVExpr :: VExpr -> Inline -> VM VVar
Nothing -> return (vexpr, lexpr)
-}
+-- Closures -------------------------------------------------------------------
mkClosure :: Type -> Type -> Type -> VExpr -> VExpr -> VM VExpr
mkClosure arg_ty res_ty env_ty (vfn,lfn) (venv,lenv)
- = do
- dict <- paDictOfType env_ty
- mkv <- builtin closureVar
- mkl <- builtin liftedClosureVar
+ = do Just dict <- paDictOfType env_ty
+ mkv <- builtin closureVar
+ mkl <- builtin liftedClosureVar
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 :: Type -> Type -> VExpr -> VExpr -> VM VExpr
mkClosureApp arg_ty res_ty (vclo, lclo) (varg, larg)
- = do
- vapply <- builtin applyVar
+ = do vapply <- builtin applyVar
lapply <- builtin liftedApplyVar
lc <- builtin liftingContext
return (Var vapply `mkTyApps` [arg_ty, res_ty] `mkApps` [vclo, varg],
Var lapply `mkTyApps` [arg_ty, res_ty] `mkApps` [Var lc, lclo, larg])
+
buildClosures :: [TyVar] -> [VVar] -> [Type] -> Type -> VM VExpr -> VM VExpr
buildClosures _ _ [] _ mk_body
= mk_body
mkClosure arg_ty res_ty env_ty fn env
+
+-- Environments ---------------------------------------------------------------
buildEnv :: [VVar] -> VM (Type, VExpr, VExpr -> VExpr -> VExpr)
buildEnv [] = do
ty <- voidType
projects / ghc-hetmet.git / blobdiff