module VectType ( vectTyCon, vectType, vectTypeEnv,
- PAInstance, painstInstance, buildPADict )
+ PAInstance, buildPADict,
+ vectDataConWorkers )
where
#include "HsVersions.h"
import VectMonad
import VectUtils
+import VectCore
import HscTypes ( TypeEnv, extendTypeEnvList, typeEnvTyCons )
import CoreSyn
type TyConGroup = ([TyCon], UniqSet TyCon)
data PAInstance = PAInstance {
- painstInstance :: Instance
+ painstDFun :: Var
+ , painstOrigTyCon :: TyCon
, painstVectTyCon :: TyCon
, painstArrTyCon :: TyCon
}
-vectTypeEnv :: TypeEnv -> VM (TypeEnv, [FamInst], [PAInstance])
+vectTypeEnv :: TypeEnv -> VM (TypeEnv, [FamInst])
vectTypeEnv env
= do
cs <- readGEnv $ mk_map . global_tycons
vect_tcs = keep_tcs ++ new_tcs
parr_tcs <- zipWithM buildPArrayTyCon orig_tcs vect_tcs
- pa_insts <- zipWithM buildPAInstance vect_tcs parr_tcs
+ dfuns <- mapM mkPADFun vect_tcs
+ defTyConPAs (zip vect_tcs dfuns)
let all_new_tcs = new_tcs ++ parr_tcs
++ [ADataCon dc | tc <- all_new_tcs
, dc <- tyConDataCons tc])
- return (new_env, map mkLocalFamInst parr_tcs, pa_insts)
+ return (new_env, map mkLocalFamInst parr_tcs)
where
tycons = typeEnvTyCons env
groups = tyConGroups tycons
rep_arg_tys = dataConRepArgTys dc
tycon = dataConTyCon dc
+vectDataConWorkers :: PAInstance -> VM [(Var, CoreExpr)]
+vectDataConWorkers (PAInstance { painstOrigTyCon = orig_tc
+ , painstVectTyCon = vect_tc
+ , painstArrTyCon = arr_tc
+ })
+ = do
+ shape <- tyConShape vect_tc
+ sequence_ (zipWith3 (vectDataConWorker shape vect_tc arr_tc arr_dc)
+ num_dcs
+ (inits repr_tys)
+ (tails repr_tys))
+ takeHoisted
+ where
+ orig_dcs = tyConDataCons orig_tc
+ vect_dcs = tyConDataCons vect_tc
+ [arr_dc] = tyConDataCons arr_tc
+
+ num_dcs = zip3 orig_dcs vect_dcs [0..]
+ repr_tys = map dataConRepArgTys vect_dcs
+
+vectDataConWorker :: Shape -> TyCon -> TyCon -> DataCon
+ -> (DataCon, DataCon, Int) -> [[Type]] -> [[Type]]
+ -> VM ()
+vectDataConWorker shape vect_tc arr_tc arr_dc (orig_dc, vect_dc, dc_num) 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) (mkIntLitInt dc_num)
+
+ 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
+
data Shape = Shape {
shapeReprTys :: [Type]
, shapeStrictness :: [StrictnessMark]
types = [ty | dc <- tyConDataCons vect_tc
, ty <- dataConRepArgTys dc]
-buildPAInstance :: TyCon -> TyCon -> VM PAInstance
-buildPAInstance vect_tc arr_tc
- = do
- pa <- builtin paClass
- let inst_ty = mkForAllTys tvs
- . (mkFunTys $ mkPredTys [ClassP pa [ty] | ty <- arg_tys])
- $ mkPredTy (ClassP pa [mkTyConApp vect_tc arg_tys])
-
- dfun <- newExportedVar (mkPADFunOcc $ getOccName vect_tc) inst_ty
-
- return $ PAInstance {
- painstInstance = mkLocalInstance dfun NoOverlap
- , painstVectTyCon = vect_tc
- , painstArrTyCon = arr_tc
- }
- where
- tvs = tyConTyVars arr_tc
- arg_tys = mkTyVarTys tvs
+mkPADFun :: TyCon -> VM Var
+mkPADFun vect_tc
+ = newExportedVar (mkPADFunOcc $ getOccName vect_tc) =<< paDFunType vect_tc
buildPADict :: PAInstance -> VM [(Var, CoreExpr)]
buildPADict (PAInstance {
- painstInstance = inst
+ painstDFun = dfun
, painstVectTyCon = vect_tc
, painstArrTyCon = arr_tc })
- = localV . abstractOverTyVars (tyConTyVars arr_tc) $ \abstract ->
+ = polyAbstract (tyConTyVars arr_tc) $ \abstract ->
do
shape <- tyConShape vect_tc
meth_binds <- mapM (mk_method shape) paMethods
let meth_exprs = map (Var . fst) meth_binds
- pa_dc <- builtin paDictDataCon
+ pa_dc <- builtin paDataCon
let dict = mkConApp pa_dc (Type (mkTyConApp vect_tc arg_tys) : meth_exprs)
body = Let (Rec meth_binds) dict
- return [(instanceDFunId inst, mkInlineMe $ abstract body)]
+ return [(dfun, mkInlineMe $ abstract body)]
where
tvs = tyConTyVars arr_tc
arg_tys = mkTyVarTys tvs