-module VectType ( vectTyCon, vectType, vectTypeEnv,
- PAInstance, buildPADict )
+{-# OPTIONS -fno-warn-missing-signatures #-}
+
+module VectType (
+ vectTyCon,
+ vectAndLiftType,
+ vectType,
+ vectTypeEnv,
+ buildPADict,
+ fromVect
+)
where
-
-#include "HsVersions.h"
-
-import VectMonad
import VectUtils
-import VectCore
-
-import HscTypes ( TypeEnv, extendTypeEnvList, typeEnvTyCons )
+import Vectorise.Env
+import Vectorise.Convert
+import Vectorise.Vect
+import Vectorise.Monad
+import Vectorise.Builtins
+import Vectorise.Type.Type
+import Vectorise.Type.TyConDecl
+import Vectorise.Type.Classify
+import Vectorise.Type.PADict
+import Vectorise.Type.PData
+import Vectorise.Type.PRepr
+import Vectorise.Type.Repr
+import Vectorise.Utils.Closure
+import Vectorise.Utils.Hoisting
+
+import HscTypes
import CoreSyn
import CoreUtils
-import BuildTyCl
+import CoreUnfold
import DataCon
import TyCon
import Type
-import TypeRep
-import Coercion
-import FamInstEnv ( FamInst, mkLocalFamInst )
-import InstEnv ( Instance, mkLocalInstance, instanceDFunId )
+import FamInstEnv
import OccName
+import Id
import MkId
-import BasicTypes ( StrictnessMark(..), OverlapFlag(..), boolToRecFlag )
-import Var ( Var )
-import Id ( mkWildId )
-import Name ( Name, getOccName )
+import Var
import NameEnv
-import TysWiredIn ( unitTy, unitTyCon, intTy, intDataCon, unitDataConId )
-import TysPrim ( intPrimTy )
import Unique
import UniqFM
-import UniqSet
-import Digraph ( SCC(..), stronglyConnComp )
-
+import Util
import Outputable
-
-import Control.Monad ( liftM, liftM2, zipWithM, zipWithM_ )
-import Data.List ( inits, tails, zipWith4, zipWith5 )
-
--- ----------------------------------------------------------------------------
--- Types
-
-vectTyCon :: TyCon -> VM TyCon
-vectTyCon tc
- | isFunTyCon tc = builtin closureTyCon
- | isBoxedTupleTyCon tc = return tc
- | isUnLiftedTyCon tc = return tc
- | otherwise = do
- r <- lookupTyCon tc
- case r of
- Just tc' -> return tc'
-
- -- FIXME: just for now
- Nothing -> pprTrace "ccTyCon:" (ppr tc) $ return tc
-
-vectType :: Type -> VM Type
-vectType ty | Just ty' <- coreView ty = vectType ty'
-vectType (TyVarTy tv) = return $ TyVarTy tv
-vectType (AppTy ty1 ty2) = liftM2 AppTy (vectType ty1) (vectType ty2)
-vectType (TyConApp tc tys) = liftM2 TyConApp (vectTyCon tc) (mapM vectType tys)
-vectType (FunTy ty1 ty2) = liftM2 TyConApp (builtin closureTyCon)
- (mapM vectType [ty1,ty2])
-vectType ty@(ForAllTy _ _)
- = do
- mdicts <- mapM paDictArgType tyvars
- mono_ty' <- vectType mono_ty
- return $ tyvars `mkForAllTys` ([dict | Just dict <- mdicts] `mkFunTys` mono_ty')
- where
- (tyvars, mono_ty) = splitForAllTys ty
-
-vectType ty = pprPanic "vectType:" (ppr ty)
-
--- ----------------------------------------------------------------------------
--- Type definitions
-
-type TyConGroup = ([TyCon], UniqSet TyCon)
-
-data PAInstance = PAInstance {
- painstDFun :: Var
- , painstOrigTyCon :: TyCon
- , painstVectTyCon :: TyCon
- , painstArrTyCon :: TyCon
- }
-
-vectTypeEnv :: TypeEnv -> VM (TypeEnv, [FamInst], [(Var, CoreExpr)])
+import FastString
+import MonadUtils
+import Control.Monad
+import Data.List
+
+debug = False
+dtrace s x = if debug then pprTrace "VectType" s x else x
+
+
+-- | Vectorise a type environment.
+-- The type environment contains all the type things defined in a module.
+vectTypeEnv
+ :: TypeEnv
+ -> VM ( TypeEnv -- Vectorised type environment.
+ , [FamInst] -- New type family instances.
+ , [(Var, CoreExpr)]) -- New top level bindings.
+
vectTypeEnv env
- = do
+ = dtrace (ppr env)
+ $ do
cs <- readGEnv $ mk_map . global_tycons
+
+ -- Split the list of TyCons into the ones we have to vectorise vs the
+ -- ones we can pass through unchanged. We also pass through algebraic
+ -- types that use non Haskell98 features, as we don't handle those.
let (conv_tcs, keep_tcs) = classifyTyCons cs groups
keep_dcs = concatMap tyConDataCons keep_tcs
+
zipWithM_ defTyCon keep_tcs keep_tcs
zipWithM_ defDataCon keep_dcs keep_dcs
+
new_tcs <- vectTyConDecls conv_tcs
let orig_tcs = keep_tcs ++ conv_tcs
- vect_tcs = keep_tcs ++ new_tcs
-
- repr_tcs <- zipWithM buildPReprTyCon orig_tcs vect_tcs
- parr_tcs <- zipWithM buildPArrayTyCon orig_tcs vect_tcs
- dfuns <- mapM mkPADFun vect_tcs
- defTyConPAs (zip vect_tcs dfuns)
- binds <- sequence (zipWith5 buildTyConBindings orig_tcs
- vect_tcs
- repr_tcs
- parr_tcs
- dfuns)
- let all_new_tcs = new_tcs ++ repr_tcs ++ parr_tcs
+ -- We don't need to make new representation types for dictionary
+ -- constructors. The constructors are always fully applied, and we don't
+ -- need to lift them to arrays as a dictionary of a particular type
+ -- always has the same value.
+ let vect_tcs = filter (not . isClassTyCon)
+ $ keep_tcs ++ new_tcs
+
+ (_, binds, inst_tcs) <- fixV $ \ ~(dfuns', _, _) ->
+ do
+ defTyConPAs (zipLazy vect_tcs dfuns')
+ reprs <- mapM tyConRepr vect_tcs
+ repr_tcs <- zipWith3M buildPReprTyCon orig_tcs vect_tcs reprs
+ pdata_tcs <- zipWith3M buildPDataTyCon orig_tcs vect_tcs reprs
+
+ dfuns <- sequence
+ $ zipWith5 buildTyConBindings
+ orig_tcs
+ vect_tcs
+ repr_tcs
+ pdata_tcs
+ reprs
+
+ binds <- takeHoisted
+ return (dfuns, binds, repr_tcs ++ pdata_tcs)
+
+ let all_new_tcs = new_tcs ++ inst_tcs
let new_env = extendTypeEnvList env
(map ATyCon all_new_tcs
++ [ADataCon dc | tc <- all_new_tcs
, dc <- tyConDataCons tc])
- return (new_env, map mkLocalFamInst (repr_tcs ++ parr_tcs), concat binds)
+ return (new_env, map mkLocalFamInst inst_tcs, binds)
where
tycons = typeEnvTyCons env
groups = tyConGroups tycons
mk_map env = listToUFM_Directly [(u, getUnique n /= u) | (u,n) <- nameEnvUniqueElts env]
- keep_tc tc = let dcs = tyConDataCons tc
- in
- defTyCon tc tc >> zipWithM_ defDataCon dcs dcs
-vectTyConDecls :: [TyCon] -> VM [TyCon]
-vectTyConDecls tcs = fixV $ \tcs' ->
- do
- mapM_ (uncurry defTyCon) (lazy_zip tcs tcs')
- mapM vectTyConDecl tcs
- where
- lazy_zip [] _ = []
- lazy_zip (x:xs) ~(y:ys) = (x,y) : lazy_zip xs ys
-
-vectTyConDecl :: TyCon -> VM TyCon
-vectTyConDecl tc
- = do
- name' <- cloneName mkVectTyConOcc name
- rhs' <- vectAlgTyConRhs (algTyConRhs tc)
-
- liftDs $ buildAlgTyCon name'
- tyvars
- [] -- no stupid theta
- rhs'
- rec_flag -- FIXME: is this ok?
- False -- FIXME: no generics
- False -- not GADT syntax
- Nothing -- not a family instance
- where
- name = tyConName tc
- tyvars = tyConTyVars tc
- rec_flag = boolToRecFlag (isRecursiveTyCon tc)
-
-vectAlgTyConRhs :: AlgTyConRhs -> VM AlgTyConRhs
-vectAlgTyConRhs (DataTyCon { data_cons = data_cons
- , is_enum = is_enum
- })
- = do
- data_cons' <- mapM vectDataCon data_cons
- zipWithM_ defDataCon data_cons data_cons'
- return $ DataTyCon { data_cons = data_cons'
- , is_enum = is_enum
- }
-
-vectDataCon :: DataCon -> VM DataCon
-vectDataCon dc
- | not . null $ dataConExTyVars dc = pprPanic "vectDataCon: existentials" (ppr dc)
- | not . null $ dataConEqSpec dc = pprPanic "vectDataCon: eq spec" (ppr dc)
- | otherwise
- = do
- name' <- cloneName mkVectDataConOcc name
- tycon' <- vectTyCon tycon
- arg_tys <- mapM vectType rep_arg_tys
-
- liftDs $ buildDataCon name'
- False -- not infix
- (map (const NotMarkedStrict) arg_tys)
- [] -- no labelled fields
- univ_tvs
- [] -- no existential tvs for now
- [] -- no eq spec for now
- [] -- no context
- arg_tys
- tycon'
- where
- name = dataConName dc
- univ_tvs = dataConUnivTyVars dc
- rep_arg_tys = dataConRepArgTys dc
- tycon = dataConTyCon dc
-
-mk_fam_inst :: TyCon -> TyCon -> (TyCon, [Type])
-mk_fam_inst fam_tc arg_tc
- = (fam_tc, [mkTyConApp arg_tc . mkTyVarTys $ tyConTyVars arg_tc])
-
-buildPReprTyCon :: TyCon -> TyCon -> VM TyCon
-buildPReprTyCon orig_tc vect_tc
- = do
- name <- cloneName mkPReprTyConOcc (tyConName orig_tc)
- rhs_ty <- buildPReprType vect_tc
- prepr_tc <- builtin preprTyCon
- liftDs $ buildSynTyCon name
- tyvars
- (SynonymTyCon rhs_ty)
- (Just $ mk_fam_inst prepr_tc vect_tc)
- where
- tyvars = tyConTyVars vect_tc
-
-buildPReprType :: TyCon -> VM Type
-buildPReprType = liftM repr_type . mkTyConRepr
-
-buildToPRepr :: TyConRepr -> TyCon -> TyCon -> TyCon -> VM CoreExpr
-buildToPRepr (TyConRepr {
- repr_tys = repr_tys
- , repr_prod_data_cons = prod_data_cons
- , repr_prod_tys = prod_tys
- , repr_sum_data_cons = sum_data_cons
- , repr_type = repr_type
- })
- vect_tc prepr_tc _
- = do
- arg <- newLocalVar FSLIT("x") arg_ty
- vars <- mapM (mapM (newLocalVar FSLIT("x"))) repr_tys
-
- return . Lam arg
- . wrapFamInstBody prepr_tc var_tys
- . Case (Var arg) (mkWildId arg_ty) repr_type
- . mk_alts data_cons vars
- . zipWith3 mk_prod prod_data_cons repr_tys $ map (map Var) vars
- where
- var_tys = mkTyVarTys $ tyConTyVars vect_tc
- arg_ty = mkTyConApp vect_tc var_tys
- data_cons = tyConDataCons vect_tc
-
- mk_alts _ _ [] = [(DEFAULT, [], Var unitDataConId)]
- mk_alts [dc] [vars] [expr] = [(DataAlt dc, vars, expr)]
- mk_alts dcs vars exprs = zipWith4 mk_alt dcs vars sum_data_cons exprs
-
- mk_alt dc vars sum_dc expr = (DataAlt dc, vars,
- mkConApp sum_dc (map Type prod_tys ++ [expr]))
-
- mk_prod _ _ [] = Var unitDataConId
- mk_prod _ _ [expr] = expr
- mk_prod (Just dc) tys exprs = mkConApp dc (map Type tys ++ exprs)
-
-buildFromPRepr :: TyConRepr -> TyCon -> TyCon -> TyCon -> VM CoreExpr
-buildFromPRepr (TyConRepr {
- repr_tys = repr_tys
- , repr_prod_data_cons = prod_data_cons
- , repr_prod_tys = prod_tys
- , repr_sum_data_cons = sum_data_cons
- , repr_type = repr_type
- })
- vect_tc prepr_tc _
- = do
- arg_ty <- mkPReprType res_ty
- arg <- newLocalVar FSLIT("x") arg_ty
-
- liftM (Lam arg
- . un_sum (unwrapFamInstScrut prepr_tc var_tys (Var arg)))
- (sequence
- $ zipWith4 un_prod data_cons prod_data_cons prod_tys repr_tys)
- where
- var_tys = mkTyVarTys $ tyConTyVars vect_tc
- ty_args = map Type var_tys
- res_ty = mkTyConApp vect_tc var_tys
- data_cons = tyConDataCons vect_tc
-
- un_prod dc _ _ []
- = do
- var <- newLocalVar FSLIT("u") unitTy
- return (var, mkConApp dc ty_args)
- un_prod dc _ _ [ty]
- = do
- var <- newLocalVar FSLIT("x") ty
- return (var, mkConApp dc (ty_args ++ [Var var]))
-
- un_prod dc (Just prod_dc) prod_ty tys
- = do
- vars <- mapM (newLocalVar FSLIT("x")) tys
- pv <- newLocalVar FSLIT("p") prod_ty
+buildTyConBindings :: TyCon -> TyCon -> TyCon -> TyCon -> SumRepr -> VM Var
+buildTyConBindings orig_tc vect_tc prepr_tc pdata_tc repr
+ = do vectDataConWorkers orig_tc vect_tc pdata_tc
+ buildPADict vect_tc prepr_tc pdata_tc repr
- let res = mkConApp dc (ty_args ++ map Var vars)
- expr = Case (Var pv) (mkWildId prod_ty) res_ty
- [(DataAlt prod_dc, vars, res)]
- return (pv, expr)
+vectDataConWorkers :: TyCon -> TyCon -> TyCon -> VM ()
+vectDataConWorkers orig_tc vect_tc arr_tc
+ = do bs <- sequence
+ . zipWith3 def_worker (tyConDataCons orig_tc) rep_tys
+ $ zipWith4 mk_data_con (tyConDataCons vect_tc)
+ rep_tys
+ (inits rep_tys)
+ (tail $ tails rep_tys)
+ mapM_ (uncurry hoistBinding) bs
+ where
+ tyvars = tyConTyVars vect_tc
+ var_tys = mkTyVarTys tyvars
+ ty_args = map Type var_tys
+ res_ty = mkTyConApp vect_tc var_tys
- un_sum scrut [(var, expr)] = Let (NonRec var scrut) expr
- un_sum scrut alts
- = Case scrut (mkWildId repr_type) res_ty
- $ zipWith mk_alt sum_data_cons alts
-
- mk_alt sum_dc (var, expr) = (DataAlt sum_dc, [var], expr)
-
-
-buildToArrPRepr :: TyConRepr -> TyCon -> TyCon -> TyCon -> VM CoreExpr
-buildToArrPRepr _ vect_tc prepr_tc arr_tc
- = do
- arg_ty <- mkPArrayType el_ty
- rep_tys <- mapM (mapM mkPArrayType) rep_el_tys
-
- arg <- newLocalVar FSLIT("xs") arg_ty
- bndrss <- mapM (mapM (newLocalVar FSLIT("ys"))) rep_tys
- len <- newLocalVar FSLIT("len") intPrimTy
- sel <- newLocalVar FSLIT("sel") =<< mkPArrayType intTy
+ cons = tyConDataCons vect_tc
+ arity = length cons
+ [arr_dc] = tyConDataCons arr_tc
- let add_sel xs | has_selector = sel : xs
- | otherwise = xs
+ rep_tys = map dataConRepArgTys $ tyConDataCons vect_tc
- all_bndrs = len : add_sel (concat bndrss)
- res <- parrayCoerce prepr_tc var_tys
- =<< mkToArrPRepr (Var len) (Var sel) (map (map Var) bndrss)
- res_ty <- mkPArrayType =<< mkPReprType el_ty
+ mk_data_con con tys pre post
+ = liftM2 (,) (vect_data_con con)
+ (lift_data_con tys pre post (mkDataConTag con))
- return . Lam arg
- $ Case (unwrapFamInstScrut arr_tc var_tys (Var arg))
- (mkWildId (mkTyConApp arr_tc var_tys))
- res_ty
- [(DataAlt arr_dc, all_bndrs, res)]
- where
- var_tys = mkTyVarTys $ tyConTyVars vect_tc
- el_ty = mkTyConApp vect_tc var_tys
- data_cons = tyConDataCons vect_tc
- rep_el_tys = map dataConRepArgTys data_cons
-
- [arr_dc] = tyConDataCons arr_tc
-
- has_selector | [_] <- data_cons = False
- | otherwise = True
-
-buildFromArrPRepr :: TyConRepr -> TyCon -> TyCon -> TyCon -> VM CoreExpr
-buildFromArrPRepr _ vect_tc prepr_tc arr_tc
- = mkFromArrPRepr undefined undefined undefined undefined undefined undefined
-
-buildPRDict :: TyConRepr -> TyCon -> TyCon -> TyCon -> VM CoreExpr
-buildPRDict (TyConRepr {
- repr_tys = repr_tys
- , repr_prod_tycons = prod_tycons
- , repr_prod_tys = prod_tys
- , repr_sum_tycon = repr_sum_tycon
- })
- vect_tc prepr_tc _
- = do
- prs <- mapM (mapM mkPR) repr_tys
- prod_prs <- sequence $ zipWith3 mk_prod_pr prod_tycons repr_tys prs
- sum_pr <- mk_sum_pr prod_prs
- prCoerce prepr_tc var_tys sum_pr
- where
- var_tys = mkTyVarTys $ tyConTyVars vect_tc
+ sel_replicate len tag
+ | arity > 1 = do
+ rep <- builtin (selReplicate arity)
+ return [rep `mkApps` [len, tag]]
- Just sum_tycon = repr_sum_tycon
+ | otherwise = return []
- mk_prod_pr _ _ [] = prDFunOfTyCon unitTyCon
- mk_prod_pr _ _ [pr] = return pr
- mk_prod_pr (Just tc) tys prs
+ vect_data_con con = return $ mkConApp con ty_args
+ lift_data_con tys pre_tys post_tys tag
= do
- dfun <- prDFunOfTyCon tc
- return $ dfun `mkTyApps` tys `mkApps` prs
+ len <- builtin liftingContext
+ args <- mapM (newLocalVar (fsLit "xs"))
+ =<< mapM mkPDataType tys
- mk_sum_pr [pr] = return pr
- mk_sum_pr prs
- = do
- dfun <- prDFunOfTyCon sum_tycon
- return $ dfun `mkTyApps` prod_tys `mkApps` prs
-
-buildPArrayTyCon :: TyCon -> TyCon -> VM TyCon
-buildPArrayTyCon orig_tc vect_tc = fixV $ \repr_tc ->
- do
- name' <- cloneName mkPArrayTyConOcc orig_name
- rhs <- buildPArrayTyConRhs orig_name vect_tc repr_tc
- parray <- builtin parrayTyCon
-
- liftDs $ buildAlgTyCon name'
- tyvars
- [] -- no stupid theta
- rhs
- rec_flag -- FIXME: is this ok?
- False -- FIXME: no generics
- False -- not GADT syntax
- (Just $ mk_fam_inst parray vect_tc)
- where
- orig_name = tyConName orig_tc
- tyvars = tyConTyVars vect_tc
- rec_flag = boolToRecFlag (isRecursiveTyCon vect_tc)
-
-
-buildPArrayTyConRhs :: Name -> TyCon -> TyCon -> VM AlgTyConRhs
-buildPArrayTyConRhs orig_name vect_tc repr_tc
- = do
- data_con <- buildPArrayDataCon orig_name vect_tc repr_tc
- return $ DataTyCon { data_cons = [data_con], is_enum = False }
-
-buildPArrayDataCon :: Name -> TyCon -> TyCon -> VM DataCon
-buildPArrayDataCon orig_name vect_tc repr_tc
- = do
- dc_name <- cloneName mkPArrayDataConOcc orig_name
- shape <- tyConShape vect_tc
- repr_tys <- mapM mkPArrayType types
-
- liftDs $ buildDataCon dc_name
- False -- not infix
- (shapeStrictness shape ++ map (const NotMarkedStrict) repr_tys)
- [] -- no field labels
- (tyConTyVars vect_tc)
- [] -- no existentials
- [] -- no eq spec
- [] -- no context
- (shapeReprTys shape ++ repr_tys)
- repr_tc
- where
- types = [ty | dc <- tyConDataCons vect_tc
- , ty <- dataConRepArgTys dc]
-
-mkPADFun :: TyCon -> VM Var
-mkPADFun vect_tc
- = newExportedVar (mkPADFunOcc $ getOccName vect_tc) =<< paDFunType vect_tc
-
-data Shape = Shape {
- shapeReprTys :: [Type]
- , shapeStrictness :: [StrictnessMark]
- , shapeLength :: [CoreExpr] -> VM CoreExpr
- , shapeReplicate :: CoreExpr -> CoreExpr -> VM [CoreExpr]
- }
-
-tyConShape :: TyCon -> VM Shape
-tyConShape vect_tc
- | isProductTyCon vect_tc
- = return $ Shape {
- shapeReprTys = [intPrimTy]
- , shapeStrictness = [NotMarkedStrict]
- , shapeLength = \[len] -> return len
- , shapeReplicate = \len _ -> return [len]
- }
-
- | otherwise
- = do
- repr_ty <- mkPArrayType intTy -- FIXME: we want to unbox this
- return $ Shape {
- shapeReprTys = [repr_ty]
- , shapeStrictness = [MarkedStrict]
- , shapeLength = \[sel] -> lengthPA sel
- , shapeReplicate = \len n -> do
- e <- replicatePA len n
- return [e]
- }
-
-buildTyConBindings :: TyCon -> TyCon -> TyCon -> TyCon -> Var
- -> VM [(Var, CoreExpr)]
-buildTyConBindings orig_tc vect_tc prepr_tc arr_tc dfun
- = do
- shape <- tyConShape vect_tc
- repr <- mkTyConRepr vect_tc
- sequence_ (zipWith4 (vectDataConWorker shape vect_tc arr_tc arr_dc)
- orig_dcs
- vect_dcs
- (inits repr_tys)
- (tails repr_tys))
- dict <- buildPADict repr vect_tc prepr_tc arr_tc dfun
- binds <- takeHoisted
- return $ (dfun, dict) : binds
- where
- orig_dcs = tyConDataCons orig_tc
- vect_dcs = tyConDataCons vect_tc
- [arr_dc] = tyConDataCons arr_tc
+ sel <- sel_replicate (Var len) tag
- repr_tys = map dataConRepArgTys vect_dcs
-
-vectDataConWorker :: Shape -> TyCon -> TyCon -> DataCon
- -> DataCon -> DataCon -> [[Type]] -> [[Type]]
- -> VM ()
-vectDataConWorker shape vect_tc arr_tc arr_dc orig_dc vect_dc pre (dc_tys : post)
- = do
- clo <- closedV
- . inBind orig_worker
- . polyAbstract tvs $ \abstract ->
- liftM (abstract . vectorised)
- $ buildClosures tvs [] dc_tys res_ty (liftM2 (,) mk_vect mk_lift)
-
- worker <- cloneId mkVectOcc orig_worker (exprType clo)
- hoistBinding worker clo
- defGlobalVar orig_worker worker
- return ()
- where
- tvs = tyConTyVars vect_tc
- arg_tys = mkTyVarTys tvs
- res_ty = mkTyConApp vect_tc arg_tys
-
- orig_worker = dataConWorkId orig_dc
-
- mk_vect = return . mkConApp vect_dc $ map Type arg_tys
- mk_lift = do
- len <- newLocalVar FSLIT("n") intPrimTy
- arr_tys <- mapM mkPArrayType dc_tys
- args <- mapM (newLocalVar FSLIT("xs")) arr_tys
- shapes <- shapeReplicate shape
- (Var len)
- (mkDataConTag vect_dc)
-
- empty_pre <- mapM emptyPA (concat pre)
- empty_post <- mapM emptyPA (concat post)
-
- return . mkLams (len : args)
- . wrapFamInstBody arr_tc arg_tys
- . mkConApp arr_dc
- $ map Type arg_tys ++ shapes
- ++ empty_pre
- ++ map Var args
- ++ empty_post
-
-buildPADict :: TyConRepr -> TyCon -> TyCon -> TyCon -> Var -> VM CoreExpr
-buildPADict repr vect_tc prepr_tc arr_tc dfun
- = polyAbstract tvs $ \abstract ->
- do
- meth_binds <- mapM (mk_method repr) paMethods
- let meth_exprs = map (Var . fst) meth_binds
-
- pa_dc <- builtin paDataCon
- let dict = mkConApp pa_dc (Type (mkTyConApp vect_tc arg_tys) : meth_exprs)
- body = Let (Rec meth_binds) dict
- return . mkInlineMe $ abstract body
- where
- tvs = tyConTyVars arr_tc
- arg_tys = mkTyVarTys tvs
-
- mk_method repr (name, build)
- = localV
- $ do
- body <- build repr vect_tc prepr_tc arr_tc
- var <- newLocalVar name (exprType body)
- return (var, mkInlineMe body)
-
-paMethods = [(FSLIT("toPRepr"), buildToPRepr),
- (FSLIT("fromPRepr"), buildFromPRepr),
- (FSLIT("toArrPRepr"), buildToArrPRepr),
- (FSLIT("fromArrPRepr"), buildFromArrPRepr),
- (FSLIT("dictPRepr"), buildPRDict)]
-
--- | Split the given tycons into two sets depending on whether they have to be
--- converted (first list) or not (second list). The first argument contains
--- information about the conversion status of external tycons:
---
--- * tycons which have converted versions are mapped to True
--- * tycons which are not changed by vectorisation are mapped to False
--- * tycons which can't be converted are not elements of the map
---
-classifyTyCons :: UniqFM Bool -> [TyConGroup] -> ([TyCon], [TyCon])
-classifyTyCons = classify [] []
- where
- classify conv keep cs [] = (conv, keep)
- classify conv keep cs ((tcs, ds) : rs)
- | can_convert && must_convert
- = classify (tcs ++ conv) keep (cs `addListToUFM` [(tc,True) | tc <- tcs]) rs
- | can_convert
- = classify conv (tcs ++ keep) (cs `addListToUFM` [(tc,False) | tc <- tcs]) rs
- | otherwise
- = classify conv keep cs rs
- where
- refs = ds `delListFromUniqSet` tcs
+ pre <- mapM emptyPD (concat pre_tys)
+ post <- mapM emptyPD (concat post_tys)
- can_convert = isNullUFM (refs `minusUFM` cs) && all convertable tcs
- must_convert = foldUFM (||) False (intersectUFM_C const cs refs)
+ return . mkLams (len : args)
+ . wrapFamInstBody arr_tc var_tys
+ . mkConApp arr_dc
+ $ ty_args ++ sel ++ pre ++ map Var args ++ post
- convertable tc = isDataTyCon tc && all isVanillaDataCon (tyConDataCons tc)
-
--- | Compute mutually recursive groups of tycons in topological order
---
-tyConGroups :: [TyCon] -> [TyConGroup]
-tyConGroups tcs = map mk_grp (stronglyConnComp edges)
- where
- edges = [((tc, ds), tc, uniqSetToList ds) | tc <- tcs
- , let ds = tyConsOfTyCon tc]
-
- mk_grp (AcyclicSCC (tc, ds)) = ([tc], ds)
- mk_grp (CyclicSCC els) = (tcs, unionManyUniqSets dss)
+ def_worker data_con arg_tys mk_body
+ = do
+ arity <- polyArity tyvars
+ body <- closedV
+ . inBind orig_worker
+ . polyAbstract tyvars $ \args ->
+ liftM (mkLams (tyvars ++ args) . vectorised)
+ $ buildClosures tyvars [] arg_tys res_ty mk_body
+
+ raw_worker <- cloneId mkVectOcc orig_worker (exprType body)
+ let vect_worker = raw_worker `setIdUnfolding`
+ mkInlineRule body (Just arity)
+ defGlobalVar orig_worker vect_worker
+ return (vect_worker, body)
where
- (tcs, dss) = unzip els
-
-tyConsOfTyCon :: TyCon -> UniqSet TyCon
-tyConsOfTyCon
- = tyConsOfTypes . concatMap dataConRepArgTys . tyConDataCons
-
-tyConsOfType :: Type -> UniqSet TyCon
-tyConsOfType ty
- | Just ty' <- coreView ty = tyConsOfType ty'
-tyConsOfType (TyVarTy v) = emptyUniqSet
-tyConsOfType (TyConApp tc tys) = extend (tyConsOfTypes tys)
- where
- extend | isUnLiftedTyCon tc
- || isTupleTyCon tc = id
-
- | otherwise = (`addOneToUniqSet` tc)
-
-tyConsOfType (AppTy a b) = tyConsOfType a `unionUniqSets` tyConsOfType b
-tyConsOfType (FunTy a b) = (tyConsOfType a `unionUniqSets` tyConsOfType b)
- `addOneToUniqSet` funTyCon
-tyConsOfType (ForAllTy _ ty) = tyConsOfType ty
-tyConsOfType other = pprPanic "ClosureConv.tyConsOfType" $ ppr other
-
-tyConsOfTypes :: [Type] -> UniqSet TyCon
-tyConsOfTypes = unionManyUniqSets . map tyConsOfType
+ orig_worker = dataConWorkId data_con
projects / ghc-hetmet.git / blobdiff