import VectMonad
import VectUtils
+import VectType
import DynFlags
import HscTypes
import CoreSyn
import CoreUtils
import CoreFVs
+import SimplMonad ( SimplCount, zeroSimplCount )
+import Rules ( RuleBase )
import DataCon
import TyCon
import Type
-import TypeRep
+import FamInstEnv ( extendFamInstEnvList )
+import InstEnv ( extendInstEnvList )
import Var
import VarEnv
import VarSet
-import Name ( mkSysTvName )
+import Name ( mkSysTvName, getName )
import NameEnv
import Id
import MkId ( unwrapFamInstScrut )
+import OccName
import DsMonad hiding (mapAndUnzipM)
import DsUtils ( mkCoreTup, mkCoreTupTy )
import PrelNames
import TysWiredIn
+import TysPrim ( intPrimTy )
import BasicTypes ( Boxity(..) )
import Outputable
import FastString
-import Control.Monad ( liftM, liftM2, mapAndUnzipM, zipWithM_ )
-import Data.Maybe ( maybeToList )
+import Control.Monad ( liftM, liftM2, mapAndUnzipM )
-vectorise :: HscEnv -> ModGuts -> IO ModGuts
-vectorise hsc_env guts
- | not (Opt_Vectorise `dopt` dflags) = return guts
- | otherwise
+vectorise :: HscEnv -> UniqSupply -> RuleBase -> ModGuts
+ -> IO (SimplCount, ModGuts)
+vectorise hsc_env _ _ guts
= do
showPass dflags "Vectorisation"
eps <- hscEPS hsc_env
let info = hptVectInfo hsc_env `plusVectInfo` eps_vect_info eps
Just (info', guts') <- initV hsc_env guts info (vectModule guts)
endPass dflags "Vectorisation" Opt_D_dump_vect (mg_binds guts')
- return $ guts' { mg_vect_info = info' }
+ return (zeroSimplCount dflags, guts' { mg_vect_info = info' })
where
dflags = hsc_dflags hsc_env
vectModule :: ModGuts -> VM ModGuts
-vectModule guts = return guts
+vectModule guts
+ = do
+ (types', fam_insts, pa_insts) <- vectTypeEnv (mg_types guts)
+
+ let insts = map painstInstance pa_insts
+ fam_inst_env' = extendFamInstEnvList (mg_fam_inst_env guts) fam_insts
+ inst_env' = extendInstEnvList (mg_inst_env guts) insts
+ updGEnv (setInstEnvs inst_env' fam_inst_env')
+
+ dicts <- mapM buildPADict pa_insts
+ binds' <- mapM vectTopBind (mg_binds guts)
+ return $ guts { mg_types = types'
+ , mg_binds = Rec (concat dicts) : binds'
+ , mg_inst_env = inst_env'
+ , mg_fam_inst_env = fam_inst_env'
+ , mg_insts = mg_insts guts ++ insts
+ , mg_fam_insts = mg_fam_insts guts ++ fam_insts
+ }
+
+vectTopBind :: CoreBind -> VM CoreBind
+vectTopBind b@(NonRec var expr)
+ = do
+ var' <- vectTopBinder var
+ expr' <- vectTopRhs expr
+ hs <- takeHoisted
+ return . Rec $ (var, expr) : (var', expr') : hs
+ `orElseV`
+ return b
+
+vectTopBind b@(Rec bs)
+ = do
+ vars' <- mapM vectTopBinder vars
+ exprs' <- mapM vectTopRhs exprs
+ hs <- takeHoisted
+ return . Rec $ bs ++ zip vars' exprs' ++ hs
+ `orElseV`
+ return b
+ where
+ (vars, exprs) = unzip bs
+
+vectTopBinder :: Var -> VM Var
+vectTopBinder var
+ = do
+ vty <- vectType (idType var)
+ name <- cloneName mkVectOcc (getName var)
+ let var' | isExportedId var = Id.mkExportedLocalId name vty
+ | otherwise = Id.mkLocalId name vty
+ defGlobalVar var var'
+ return var'
+
+vectTopRhs :: CoreExpr -> VM CoreExpr
+vectTopRhs = liftM fst . closedV . vectPolyExpr (panic "Empty lifting context") . freeVars
-- ----------------------------------------------------------------------------
-- Bindings
updLEnv (mapTo vv lv)
return (vv, lv)
where
- mapTo vv lv env = env { local_vars = extendVarEnv (local_vars env) v (Var vv, Var lv) }
+ mapTo vv lv env = env { local_vars = extendVarEnv (local_vars env) v (vv, lv) }
vectBndrIn :: Var -> VM a -> VM (Var, Var, a)
vectBndrIn v p
-- ----------------------------------------------------------------------------
-- Expressions
-replicateP :: CoreExpr -> CoreExpr -> VM CoreExpr
-replicateP expr len
- = do
- dict <- paDictOfType ty
- rep <- builtin replicatePAVar
- return $ mkApps (Var rep) [Type ty, dict, expr, len]
- where
- ty = exprType expr
-
capply :: (CoreExpr, CoreExpr) -> (CoreExpr, CoreExpr) -> VM (CoreExpr, CoreExpr)
capply (vfn, lfn) (varg, larg)
= do
(arg_ty, res_ty) = splitClosureTy fn_ty
vectVar :: CoreExpr -> Var -> VM (CoreExpr, CoreExpr)
-vectVar lc v = local v `orElseV` global v
- where
- local v = maybeV (readLEnv $ \env -> lookupVarEnv (local_vars env) v)
- global v = do
- vexpr <- maybeV (readGEnv $ \env -> lookupVarEnv (global_vars env) v)
- lexpr <- replicateP vexpr lc
- return (vexpr, lexpr)
+vectVar lc v
+ = do
+ r <- lookupVar v
+ case r of
+ Local (vv,lv) -> return (Var vv, Var lv)
+ Global vv -> do
+ let vexpr = Var vv
+ lexpr <- replicatePA vexpr lc
+ return (vexpr, lexpr)
vectPolyVar :: CoreExpr -> Var -> [Type] -> VM (CoreExpr, CoreExpr)
vectPolyVar lc v tys
= do
- r <- readLEnv $ \env -> lookupVarEnv (local_vars env) v
+ vtys <- mapM vectType tys
+ r <- lookupVar v
case r of
- Just (vexpr, lexpr) -> liftM2 (,) (mk_app vexpr) (mk_app lexpr)
- Nothing ->
- do
- poly <- maybeV (readGEnv $ \env -> lookupVarEnv (global_vars env) v)
- vexpr <- mk_app poly
- lexpr <- replicateP vexpr lc
- return (vexpr, lexpr)
- where
- mk_app e = applyToTypes e =<< mapM vectType tys
-
-abstractOverTyVars :: [TyVar] -> ((CoreExpr -> CoreExpr) -> VM a) -> VM a
-abstractOverTyVars tvs p
- = do
- mdicts <- mapM mk_dict_var tvs
- zipWithM_ (\tv -> maybe (deleteTyVarPA tv) (extendTyVarPA tv . Var)) tvs mdicts
- p (mk_lams mdicts)
- where
- mk_dict_var tv = do
- r <- paDictArgType tv
- case r of
- Just ty -> liftM Just (newLocalVar FSLIT("dPA") ty)
- Nothing -> return Nothing
-
- mk_lams mdicts = mkLams [arg | (tv, mdict) <- zip tvs mdicts
- , arg <- tv : maybeToList mdict]
-
-applyToTypes :: CoreExpr -> [Type] -> VM CoreExpr
-applyToTypes expr tys
- = do
- dicts <- mapM paDictOfType tys
- return $ mkApps expr [arg | (ty, dict) <- zip tys dicts
- , arg <- [Type ty, dict]]
-
+ Local (vv, lv) -> liftM2 (,) (polyApply (Var vv) vtys)
+ (polyApply (Var lv) vtys)
+ Global poly -> do
+ vexpr <- polyApply (Var poly) vtys
+ lexpr <- replicatePA vexpr lc
+ return (vexpr, lexpr)
vectPolyExpr :: CoreExpr -> CoreExprWithFVs -> VM (CoreExpr, CoreExpr)
vectPolyExpr lc expr
- = localV
- . abstractOverTyVars tvs $ \mk_lams ->
+ = polyAbstract tvs $ \mk_lams ->
-- FIXME: shadowing (tvs in lc)
do
(vmono, lmono) <- vectExpr lc mono
vectExpr lc (_, AnnLit lit)
= do
let vexpr = Lit lit
- lexpr <- replicateP vexpr lc
+ lexpr <- replicatePA vexpr lc
return (vexpr, lexpr)
vectExpr lc (_, AnnNote note expr)
vectExpr lc (fvs, AnnLam bndr body)
= do
- let tyvars = filter isTyVar (varSetElems fvs)
+ tyvars <- localTyVars
info <- mkCEnvInfo fvs bndr body
(poly_vfn, poly_lfn) <- mkClosureFns info tyvars bndr body
res_ty <- vectType (exprType $ deAnnotate body)
-- FIXME: move the functions to the top level
- mono_vfn <- applyToTypes (Var vfn_var) (map TyVarTy tyvars)
- mono_lfn <- applyToTypes (Var lfn_var) (map TyVarTy tyvars)
+ mono_vfn <- polyApply (Var vfn_var) (mkTyVarTys tyvars)
+ mono_lfn <- polyApply (Var lfn_var) (mkTyVarTys tyvars)
mk_clo <- builtin mkClosureVar
mk_cloP <- builtin mkClosurePVar
`mkApps` [pa_dict, mono_vfn, mono_lfn, lenv]
return (vclo, lclo)
-
data CEnvInfo = CEnvInfo {
cenv_vars :: [Var]
locals <- readLEnv local_vars
let
(vars, vals) = unzip
- [(var, val) | var <- varSetElems fvs
- , Just val <- [lookupVarEnv locals var]]
+ [(var, (Var v, Var v')) | var <- varSetElems fvs
+ , Just (v,v') <- [lookupVarEnv locals var]]
vtys <- mapM (vectType . varType) vars
(vty, repr_tycon, repr_tyargs, repr_datacon) <- mk_env_ty vtys
-> VM (CoreExpr, CoreExpr)
mkClosureFns info tyvars arg body
= closedV
- . abstractOverTyVars tyvars
+ . polyAbstract tyvars
$ \mk_tlams ->
do
(vfn, lfn) <- mkClosureMonoFns info arg body
mkClosureMonoFns :: CEnvInfo -> Var -> CoreExprWithFVs -> VM (CoreExpr, CoreExpr)
mkClosureMonoFns info arg body
= do
- lc_bndr <- newLocalVar FSLIT("lc") intTy
+ lc_bndr <- newLocalVar FSLIT("lc") intPrimTy
(varg : vbndrs, larg : lbndrs, (vbody, lbody))
<- vectBndrsIn (arg : cenv_vars info)
(vectExpr (Var lc_bndr) body)
bind_lenv lenv lbody lc_bndr [lbndr]
= do
- lengthPA <- builtin lengthPAVar
+ len <- lengthPA (Var lbndr)
return . Let (NonRec lbndr lenv)
- $ Case (mkApps (Var lengthPA) [Type vty, (Var lbndr)])
+ $ Case len
lc_bndr
- intTy
+ (exprType lbody)
[(DEFAULT, [], lbody)]
bind_lenv lenv lbody lc_bndr lbndrs
- = return
- $ Case (unwrapFamInstScrut (cenv_repr_tycon info)
- (cenv_repr_tyargs info)
- lenv)
- (mkWildId lty)
+ = let scrut = unwrapFamInstScrut (cenv_repr_tycon info)
+ (cenv_repr_tyargs info)
+ lenv
+ lbndrs' | null lbndrs = [mkWildId unitTy]
+ | otherwise = lbndrs
+ in
+ return
+ $ Case scrut
+ (mkWildId (exprType scrut))
(exprType lbody)
- [(DataAlt (cenv_repr_datacon info), lc_bndr : lbndrs, lbody)]
+ [(DataAlt (cenv_repr_datacon info), lc_bndr : lbndrs', lbody)]
vectTyAppExpr :: CoreExpr -> CoreExprWithFVs -> [Type] -> VM (CoreExpr, CoreExpr)
vectTyAppExpr lc (_, AnnVar v) tys = vectPolyVar lc v tys
vectTyAppExpr lc e tys = pprPanic "vectTyAppExpr" (ppr $ deAnnotate e)
--- ----------------------------------------------------------------------------
--- 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 (ForAllTy tv ty)
- = do
- r <- paDictArgType tv
- ty' <- vectType ty
- return $ ForAllTy tv (wrap r ty')
- where
- wrap Nothing = id
- wrap (Just pa_ty) = FunTy pa_ty
-
-vectType ty = pprPanic "vectType:" (ppr ty)
-
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