Vectorise.Type.TyConDecl
Vectorise.Type.Classify
Vectorise.Type.Repr
+ Vectorise.Type.PData
+ Vectorise.Type.PRepr
Vectorise.Type.PADict
+ Vectorise.Type.PRDict
Vectorise.Utils.Closure
Vectorise.Utils.Hoisting
Vectorise.Builtins.Base
import Vectorise.Type.Type
import Vectorise.Type.TyConDecl
import Vectorise.Type.Classify
-import Vectorise.Type.Repr
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 ( TypeEnv, extendTypeEnvList, typeEnvTyCons )
-import BasicTypes
+import HscTypes
import CoreSyn
import CoreUtils
import CoreUnfold
-import BuildTyCl
import DataCon
import TyCon
import Type
-import Coercion
-import FamInstEnv ( FamInst, mkLocalFamInst )
+import FamInstEnv
import OccName
import Id
import MkId
import Var
-import Name ( Name, getOccName )
import NameEnv
import Unique
import UniqFM
import Util
-
import Outputable
import FastString
-
import MonadUtils
import Control.Monad
import Data.List
mk_map env = listToUFM_Directly [(u, getUnique n /= u) | (u,n) <- nameEnvUniqueElts env]
-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 -> SumRepr -> VM TyCon
-buildPReprTyCon orig_tc vect_tc repr
- = do
- name <- cloneName mkPReprTyConOcc (tyConName orig_tc)
- -- rhs_ty <- buildPReprType vect_tc
- rhs_ty <- sumReprType repr
- prepr_tc <- builtin preprTyCon
- liftDs $ buildSynTyCon name
- tyvars
- (SynonymTyCon rhs_ty)
- (typeKind rhs_ty)
- (Just $ mk_fam_inst prepr_tc vect_tc)
- where
- tyvars = tyConTyVars vect_tc
-
-
-
-buildPRDict :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr
-buildPRDict vect_tc prepr_tc _ r
- = do
- dict <- sum_dict r
- pr_co <- mkBuiltinCo prTyCon
- let co = mkAppCoercion pr_co
- . mkSymCoercion
- $ mkTyConApp arg_co ty_args
- return (mkCoerce co dict)
- where
- ty_args = mkTyVarTys (tyConTyVars vect_tc)
- Just arg_co = tyConFamilyCoercion_maybe prepr_tc
-
- sum_dict EmptySum = prDFunOfTyCon =<< builtin voidTyCon
- sum_dict (UnarySum r) = con_dict r
- sum_dict (Sum { repr_sum_tc = sum_tc
- , repr_con_tys = tys
- , repr_cons = cons
- })
- = do
- dicts <- mapM con_dict cons
- dfun <- prDFunOfTyCon sum_tc
- return $ dfun `mkTyApps` tys `mkApps` dicts
-
- con_dict (ConRepr _ r) = prod_dict r
-
- prod_dict EmptyProd = prDFunOfTyCon =<< builtin voidTyCon
- prod_dict (UnaryProd r) = comp_dict r
- prod_dict (Prod { repr_tup_tc = tup_tc
- , repr_comp_tys = tys
- , repr_comps = comps })
- = do
- dicts <- mapM comp_dict comps
- dfun <- prDFunOfTyCon tup_tc
- return $ dfun `mkTyApps` tys `mkApps` dicts
-
- comp_dict (Keep _ pr) = return pr
- comp_dict (Wrap ty) = wrapPR ty
-
-
-buildPDataTyCon :: TyCon -> TyCon -> SumRepr -> VM TyCon
-buildPDataTyCon orig_tc vect_tc repr = fixV $ \repr_tc ->
- do
- name' <- cloneName mkPDataTyConOcc orig_name
- rhs <- buildPDataTyConRhs orig_name vect_tc repr_tc repr
- pdata <- builtin pdataTyCon
-
- 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 pdata vect_tc)
- where
- orig_name = tyConName orig_tc
- tyvars = tyConTyVars vect_tc
- rec_flag = boolToRecFlag (isRecursiveTyCon vect_tc)
-
-
-buildPDataTyConRhs :: Name -> TyCon -> TyCon -> SumRepr -> VM AlgTyConRhs
-buildPDataTyConRhs orig_name vect_tc repr_tc repr
- = do
- data_con <- buildPDataDataCon orig_name vect_tc repr_tc repr
- return $ DataTyCon { data_cons = [data_con], is_enum = False }
-
-buildPDataDataCon :: Name -> TyCon -> TyCon -> SumRepr -> VM DataCon
-buildPDataDataCon orig_name vect_tc repr_tc repr
- = do
- dc_name <- cloneName mkPDataDataConOcc orig_name
- comp_tys <- sum_tys repr
-
- liftDs $ buildDataCon dc_name
- False -- not infix
- (map (const HsNoBang) comp_tys)
- [] -- no field labels
- tvs
- [] -- no existentials
- [] -- no eq spec
- [] -- no context
- comp_tys
- (mkFamilyTyConApp repr_tc (mkTyVarTys tvs))
- repr_tc
- where
- tvs = tyConTyVars vect_tc
-
- sum_tys EmptySum = return []
- sum_tys (UnarySum r) = con_tys r
- sum_tys (Sum { repr_sel_ty = sel_ty
- , repr_cons = cons })
- = liftM (sel_ty :) (concatMapM con_tys cons)
-
- con_tys (ConRepr _ r) = prod_tys r
- prod_tys EmptyProd = return []
- prod_tys (UnaryProd r) = liftM singleton (comp_ty r)
- prod_tys (Prod { repr_comps = comps }) = mapM comp_ty comps
-
- comp_ty r = mkPDataType (compOrigType r)
-
-
-buildTyConBindings :: TyCon -> TyCon -> TyCon -> TyCon -> SumRepr
- -> VM Var
+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
+ = do vectDataConWorkers orig_tc vect_tc pdata_tc
buildPADict vect_tc prepr_tc pdata_tc repr
+
vectDataConWorkers :: TyCon -> TyCon -> TyCon -> VM ()
vectDataConWorkers orig_tc vect_tc arr_tc
- = do
- bs <- sequence
+ = 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
+ where
tyvars = tyConTyVars vect_tc
var_tys = mkTyVarTys tyvars
ty_args = map Type var_tys
where
orig_worker = dataConWorkId data_con
-buildPADict :: TyCon -> TyCon -> TyCon -> SumRepr -> VM Var
-buildPADict vect_tc prepr_tc arr_tc repr
- = polyAbstract tvs $ \args ->
- do
- method_ids <- mapM (method args) paMethods
-
- pa_tc <- builtin paTyCon
- pa_dc <- builtin paDataCon
- let dict = mkLams (tvs ++ args)
- $ mkConApp pa_dc
- $ Type inst_ty : map (method_call args) method_ids
-
- dfun_ty = mkForAllTys tvs
- $ mkFunTys (map varType args) (mkTyConApp pa_tc [inst_ty])
-
- raw_dfun <- newExportedVar dfun_name dfun_ty
- let dfun = raw_dfun `setIdUnfolding` mkDFunUnfolding dfun_ty (map Var method_ids)
- `setInlinePragma` dfunInlinePragma
-
- hoistBinding dfun dict
- return dfun
- where
- tvs = tyConTyVars vect_tc
- arg_tys = mkTyVarTys tvs
- inst_ty = mkTyConApp vect_tc arg_tys
-
- dfun_name = mkPADFunOcc (getOccName vect_tc)
-
- method args (name, build)
- = localV
- $ do
- expr <- build vect_tc prepr_tc arr_tc repr
- let body = mkLams (tvs ++ args) expr
- raw_var <- newExportedVar (method_name name) (exprType body)
- let var = raw_var
- `setIdUnfolding` mkInlineRule body (Just (length args))
- `setInlinePragma` alwaysInlinePragma
- hoistBinding var body
- return var
-
- method_call args id = mkApps (Var id) (map Type arg_tys ++ map Var args)
-
- method_name name = mkVarOcc $ occNameString dfun_name ++ ('$' : name)
-
-
-paMethods :: [(String, TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr)]
-paMethods = [("dictPRepr", buildPRDict),
- ("toPRepr", buildToPRepr),
- ("fromPRepr", buildFromPRepr),
- ("toArrPRepr", buildToArrPRepr),
- ("fromArrPRepr", buildFromArrPRepr)]
-
-
module Vectorise.Type.PADict
- ( buildToPRepr
- , buildFromPRepr
- , buildToArrPRepr
- , buildFromArrPRepr)
+ (buildPADict)
where
import VectUtils
import Vectorise.Monad
import Vectorise.Builtins
import Vectorise.Type.Repr
+import Vectorise.Type.PRepr
+import Vectorise.Type.PRDict
+import Vectorise.Utils.Hoisting
+
+import BasicTypes
import CoreSyn
import CoreUtils
-import MkCore ( mkWildCase )
+import CoreUnfold
import TyCon
import Type
-import Coercion
-import MkId
-
-import FastString
-import MonadUtils
-import Control.Monad
-
-
-buildToPRepr :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr
-buildToPRepr vect_tc repr_tc _ repr
- = do
- let arg_ty = mkTyConApp vect_tc ty_args
- res_ty <- mkPReprType arg_ty
- arg <- newLocalVar (fsLit "x") arg_ty
- result <- to_sum (Var arg) arg_ty res_ty repr
- return $ Lam arg result
- where
- ty_args = mkTyVarTys (tyConTyVars vect_tc)
-
- wrap_repr_inst = wrapFamInstBody repr_tc ty_args
-
- to_sum _ _ _ EmptySum
- = do
- void <- builtin voidVar
- return $ wrap_repr_inst $ Var void
-
- to_sum arg arg_ty res_ty (UnarySum r)
- = do
- (pat, vars, body) <- con_alt r
- return $ mkWildCase arg arg_ty res_ty
- [(pat, vars, wrap_repr_inst body)]
-
- to_sum arg arg_ty res_ty (Sum { repr_sum_tc = sum_tc
- , repr_con_tys = tys
- , repr_cons = cons })
- = do
- alts <- mapM con_alt cons
- let alts' = [(pat, vars, wrap_repr_inst
- $ mkConApp sum_con (map Type tys ++ [body]))
- | ((pat, vars, body), sum_con)
- <- zip alts (tyConDataCons sum_tc)]
- return $ mkWildCase arg arg_ty res_ty alts'
-
- con_alt (ConRepr con r)
- = do
- (vars, body) <- to_prod r
- return (DataAlt con, vars, body)
-
- to_prod EmptyProd
- = do
- void <- builtin voidVar
- return ([], Var void)
-
- to_prod (UnaryProd comp)
- = do
- var <- newLocalVar (fsLit "x") (compOrigType comp)
- body <- to_comp (Var var) comp
- return ([var], body)
-
- to_prod(Prod { repr_tup_tc = tup_tc
- , repr_comp_tys = tys
- , repr_comps = comps })
- = do
- vars <- newLocalVars (fsLit "x") (map compOrigType comps)
- exprs <- zipWithM to_comp (map Var vars) comps
- return (vars, mkConApp tup_con (map Type tys ++ exprs))
- where
- [tup_con] = tyConDataCons tup_tc
-
- to_comp expr (Keep _ _) = return expr
- to_comp expr (Wrap ty) = do
- wrap_tc <- builtin wrapTyCon
- return $ wrapNewTypeBody wrap_tc [ty] expr
-
-
-buildFromPRepr :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr
-buildFromPRepr vect_tc repr_tc _ repr
- = do
- arg_ty <- mkPReprType res_ty
- arg <- newLocalVar (fsLit "x") arg_ty
-
- result <- from_sum (unwrapFamInstScrut repr_tc ty_args (Var arg))
- repr
- return $ Lam arg result
- where
- ty_args = mkTyVarTys (tyConTyVars vect_tc)
- res_ty = mkTyConApp vect_tc ty_args
-
- from_sum _ EmptySum
- = do
- dummy <- builtin fromVoidVar
- return $ Var dummy `App` Type res_ty
-
- from_sum expr (UnarySum r) = from_con expr r
- from_sum expr (Sum { repr_sum_tc = sum_tc
- , repr_con_tys = tys
- , repr_cons = cons })
- = do
- vars <- newLocalVars (fsLit "x") tys
- es <- zipWithM from_con (map Var vars) cons
- return $ mkWildCase expr (exprType expr) res_ty
- [(DataAlt con, [var], e)
- | (con, var, e) <- zip3 (tyConDataCons sum_tc) vars es]
-
- from_con expr (ConRepr con r)
- = from_prod expr (mkConApp con $ map Type ty_args) r
-
- from_prod _ con EmptyProd = return con
- from_prod expr con (UnaryProd r)
- = do
- e <- from_comp expr r
- return $ con `App` e
-
- from_prod expr con (Prod { repr_tup_tc = tup_tc
- , repr_comp_tys = tys
- , repr_comps = comps
- })
- = do
- vars <- newLocalVars (fsLit "y") tys
- es <- zipWithM from_comp (map Var vars) comps
- return $ mkWildCase expr (exprType expr) res_ty
- [(DataAlt tup_con, vars, con `mkApps` es)]
- where
- [tup_con] = tyConDataCons tup_tc
-
- from_comp expr (Keep _ _) = return expr
- from_comp expr (Wrap ty)
- = do
- wrap <- builtin wrapTyCon
- return $ unwrapNewTypeBody wrap [ty] expr
-
-
-buildToArrPRepr :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr
-buildToArrPRepr vect_tc prepr_tc pdata_tc r
- = do
- arg_ty <- mkPDataType el_ty
- res_ty <- mkPDataType =<< mkPReprType el_ty
- arg <- newLocalVar (fsLit "xs") arg_ty
-
- pdata_co <- mkBuiltinCo pdataTyCon
- let Just repr_co = tyConFamilyCoercion_maybe prepr_tc
- co = mkAppCoercion pdata_co
- . mkSymCoercion
- $ mkTyConApp repr_co ty_args
-
- scrut = unwrapFamInstScrut pdata_tc ty_args (Var arg)
-
- (vars, result) <- to_sum r
-
- return . Lam arg
- $ mkWildCase scrut (mkTyConApp pdata_tc ty_args) res_ty
- [(DataAlt pdata_dc, vars, mkCoerce co result)]
- where
- ty_args = mkTyVarTys $ tyConTyVars vect_tc
- el_ty = mkTyConApp vect_tc ty_args
-
- [pdata_dc] = tyConDataCons pdata_tc
-
-
- to_sum EmptySum = do
- pvoid <- builtin pvoidVar
- return ([], Var pvoid)
- to_sum (UnarySum r) = to_con r
- to_sum (Sum { repr_psum_tc = psum_tc
- , repr_sel_ty = sel_ty
- , repr_con_tys = tys
- , repr_cons = cons
- })
- = do
- (vars, exprs) <- mapAndUnzipM to_con cons
- sel <- newLocalVar (fsLit "sel") sel_ty
- return (sel : concat vars, mk_result (Var sel) exprs)
- where
- [psum_con] = tyConDataCons psum_tc
- mk_result sel exprs = wrapFamInstBody psum_tc tys
- $ mkConApp psum_con
- $ map Type tys ++ (sel : exprs)
-
- to_con (ConRepr _ r) = to_prod r
-
- to_prod EmptyProd = do
- pvoid <- builtin pvoidVar
- return ([], Var pvoid)
- to_prod (UnaryProd r)
- = do
- pty <- mkPDataType (compOrigType r)
- var <- newLocalVar (fsLit "x") pty
- expr <- to_comp (Var var) r
- return ([var], expr)
-
- to_prod (Prod { repr_ptup_tc = ptup_tc
- , repr_comp_tys = tys
- , repr_comps = comps })
- = do
- ptys <- mapM (mkPDataType . compOrigType) comps
- vars <- newLocalVars (fsLit "x") ptys
- es <- zipWithM to_comp (map Var vars) comps
- return (vars, mk_result es)
- where
- [ptup_con] = tyConDataCons ptup_tc
- mk_result exprs = wrapFamInstBody ptup_tc tys
- $ mkConApp ptup_con
- $ map Type tys ++ exprs
-
- to_comp expr (Keep _ _) = return expr
-
- -- FIXME: this is bound to be wrong!
- to_comp expr (Wrap ty)
- = do
- wrap_tc <- builtin wrapTyCon
- (pwrap_tc, _) <- pdataReprTyCon (mkTyConApp wrap_tc [ty])
- return $ wrapNewTypeBody pwrap_tc [ty] expr
-
+import OccName
+import Id
+import Var
+import Name
-buildFromArrPRepr :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr
-buildFromArrPRepr vect_tc prepr_tc pdata_tc r
- = do
- arg_ty <- mkPDataType =<< mkPReprType el_ty
- res_ty <- mkPDataType el_ty
- arg <- newLocalVar (fsLit "xs") arg_ty
- pdata_co <- mkBuiltinCo pdataTyCon
- let Just repr_co = tyConFamilyCoercion_maybe prepr_tc
- co = mkAppCoercion pdata_co
- $ mkTyConApp repr_co var_tys
- scrut = mkCoerce co (Var arg)
+buildPADict :: TyCon -> TyCon -> TyCon -> SumRepr -> VM Var
+buildPADict vect_tc prepr_tc arr_tc repr
+ = polyAbstract tvs $ \args ->
+ do
+ method_ids <- mapM (method args) paMethods
- mk_result args = wrapFamInstBody pdata_tc var_tys
- $ mkConApp pdata_con
- $ map Type var_tys ++ args
+ pa_tc <- builtin paTyCon
+ pa_dc <- builtin paDataCon
+ let dict = mkLams (tvs ++ args)
+ $ mkConApp pa_dc
+ $ Type inst_ty : map (method_call args) method_ids
- (expr, _) <- fixV $ \ ~(_, args) ->
- from_sum res_ty (mk_result args) scrut r
+ dfun_ty = mkForAllTys tvs
+ $ mkFunTys (map varType args) (mkTyConApp pa_tc [inst_ty])
- return $ Lam arg expr
-
- -- (args, mk) <- from_sum res_ty scrut r
-
- -- let result = wrapFamInstBody pdata_tc var_tys
- -- . mkConApp pdata_dc
- -- $ map Type var_tys ++ args
+ raw_dfun <- newExportedVar dfun_name dfun_ty
+ let dfun = raw_dfun `setIdUnfolding` mkDFunUnfolding dfun_ty (map Var method_ids)
+ `setInlinePragma` dfunInlinePragma
- -- return $ Lam arg (mk result)
+ hoistBinding dfun dict
+ return dfun
where
- var_tys = mkTyVarTys $ tyConTyVars vect_tc
- el_ty = mkTyConApp vect_tc var_tys
+ tvs = tyConTyVars vect_tc
+ arg_tys = mkTyVarTys tvs
+ inst_ty = mkTyConApp vect_tc arg_tys
- [pdata_con] = tyConDataCons pdata_tc
+ dfun_name = mkPADFunOcc (getOccName vect_tc)
- from_sum _ res _ EmptySum = return (res, [])
- from_sum res_ty res expr (UnarySum r) = from_con res_ty res expr r
- from_sum res_ty res expr (Sum { repr_psum_tc = psum_tc
- , repr_sel_ty = sel_ty
- , repr_con_tys = tys
- , repr_cons = cons })
- = do
- sel <- newLocalVar (fsLit "sel") sel_ty
- ptys <- mapM mkPDataType tys
- vars <- newLocalVars (fsLit "xs") ptys
- (res', args) <- fold from_con res_ty res (map Var vars) cons
- let scrut = unwrapFamInstScrut psum_tc tys expr
- body = mkWildCase scrut (exprType scrut) res_ty
- [(DataAlt psum_con, sel : vars, res')]
- return (body, Var sel : args)
- where
- [psum_con] = tyConDataCons psum_tc
+ method args (name, build)
+ = localV
+ $ do
+ expr <- build vect_tc prepr_tc arr_tc repr
+ let body = mkLams (tvs ++ args) expr
+ raw_var <- newExportedVar (method_name name) (exprType body)
+ let var = raw_var
+ `setIdUnfolding` mkInlineRule body (Just (length args))
+ `setInlinePragma` alwaysInlinePragma
+ hoistBinding var body
+ return var
+ method_call args id = mkApps (Var id) (map Type arg_tys ++ map Var args)
- from_con res_ty res expr (ConRepr _ r) = from_prod res_ty res expr r
+ method_name name = mkVarOcc $ occNameString dfun_name ++ ('$' : name)
- from_prod _ res _ EmptyProd = return (res, [])
- from_prod res_ty res expr (UnaryProd r)
- = from_comp res_ty res expr r
- from_prod res_ty res expr (Prod { repr_ptup_tc = ptup_tc
- , repr_comp_tys = tys
- , repr_comps = comps })
- = do
- ptys <- mapM mkPDataType tys
- vars <- newLocalVars (fsLit "ys") ptys
- (res', args) <- fold from_comp res_ty res (map Var vars) comps
- let scrut = unwrapFamInstScrut ptup_tc tys expr
- body = mkWildCase scrut (exprType scrut) res_ty
- [(DataAlt ptup_con, vars, res')]
- return (body, args)
- where
- [ptup_con] = tyConDataCons ptup_tc
- from_comp _ res expr (Keep _ _) = return (res, [expr])
- from_comp _ res expr (Wrap ty)
- = do
- wrap_tc <- builtin wrapTyCon
- (pwrap_tc, _) <- pdataReprTyCon (mkTyConApp wrap_tc [ty])
- return (res, [unwrapNewTypeBody pwrap_tc [ty]
- $ unwrapFamInstScrut pwrap_tc [ty] expr])
+paMethods :: [(String, TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr)]
+paMethods = [("dictPRepr", buildPRDict),
+ ("toPRepr", buildToPRepr),
+ ("fromPRepr", buildFromPRepr),
+ ("toArrPRepr", buildToArrPRepr),
+ ("fromArrPRepr", buildFromArrPRepr)]
- fold f res_ty res exprs rs = foldrM f' (res, []) (zip exprs rs)
- where
- f' (expr, r) (res, args) = do
- (res', args') <- f res_ty res expr r
- return (res', args' ++ args)
--- /dev/null
+
+module Vectorise.Type.PData
+ (buildPDataTyCon)
+where
+import VectUtils
+import Vectorise.Monad
+import Vectorise.Builtins
+import Vectorise.Type.Repr
+
+import BasicTypes
+import BuildTyCl
+import DataCon
+import TyCon
+import Type
+import OccName
+import Name
+import Util
+import MonadUtils
+import Control.Monad
+
+
+
+buildPDataTyCon :: TyCon -> TyCon -> SumRepr -> VM TyCon
+buildPDataTyCon orig_tc vect_tc repr = fixV $ \repr_tc ->
+ do
+ name' <- cloneName mkPDataTyConOcc orig_name
+ rhs <- buildPDataTyConRhs orig_name vect_tc repr_tc repr
+ pdata <- builtin pdataTyCon
+
+ 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 pdata vect_tc)
+ where
+ orig_name = tyConName orig_tc
+ tyvars = tyConTyVars vect_tc
+ rec_flag = boolToRecFlag (isRecursiveTyCon vect_tc)
+
+
+buildPDataTyConRhs :: Name -> TyCon -> TyCon -> SumRepr -> VM AlgTyConRhs
+buildPDataTyConRhs orig_name vect_tc repr_tc repr
+ = do
+ data_con <- buildPDataDataCon orig_name vect_tc repr_tc repr
+ return $ DataTyCon { data_cons = [data_con], is_enum = False }
+
+buildPDataDataCon :: Name -> TyCon -> TyCon -> SumRepr -> VM DataCon
+buildPDataDataCon orig_name vect_tc repr_tc repr
+ = do
+ dc_name <- cloneName mkPDataDataConOcc orig_name
+ comp_tys <- sum_tys repr
+
+ liftDs $ buildDataCon dc_name
+ False -- not infix
+ (map (const HsNoBang) comp_tys)
+ [] -- no field labels
+ tvs
+ [] -- no existentials
+ [] -- no eq spec
+ [] -- no context
+ comp_tys
+ (mkFamilyTyConApp repr_tc (mkTyVarTys tvs))
+ repr_tc
+ where
+ tvs = tyConTyVars vect_tc
+
+ sum_tys EmptySum = return []
+ sum_tys (UnarySum r) = con_tys r
+ sum_tys (Sum { repr_sel_ty = sel_ty
+ , repr_cons = cons })
+ = liftM (sel_ty :) (concatMapM con_tys cons)
+
+ con_tys (ConRepr _ r) = prod_tys r
+
+ prod_tys EmptyProd = return []
+ prod_tys (UnaryProd r) = liftM singleton (comp_ty r)
+ prod_tys (Prod { repr_comps = comps }) = mapM comp_ty comps
+
+ comp_ty r = mkPDataType (compOrigType r)
+
+
+mk_fam_inst :: TyCon -> TyCon -> (TyCon, [Type])
+mk_fam_inst fam_tc arg_tc
+ = (fam_tc, [mkTyConApp arg_tc . mkTyVarTys $ tyConTyVars arg_tc])
--- /dev/null
+
+module Vectorise.Type.PRDict
+ (buildPRDict)
+where
+import VectUtils
+import Vectorise.Monad
+import Vectorise.Builtins
+import Vectorise.Type.Repr
+import CoreSyn
+import CoreUtils
+import TyCon
+import Type
+import Coercion
+
+
+
+buildPRDict :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr
+buildPRDict vect_tc prepr_tc _ r
+ = do
+ dict <- sum_dict r
+ pr_co <- mkBuiltinCo prTyCon
+ let co = mkAppCoercion pr_co
+ . mkSymCoercion
+ $ mkTyConApp arg_co ty_args
+ return (mkCoerce co dict)
+ where
+ ty_args = mkTyVarTys (tyConTyVars vect_tc)
+ Just arg_co = tyConFamilyCoercion_maybe prepr_tc
+
+ sum_dict EmptySum = prDFunOfTyCon =<< builtin voidTyCon
+ sum_dict (UnarySum r) = con_dict r
+ sum_dict (Sum { repr_sum_tc = sum_tc
+ , repr_con_tys = tys
+ , repr_cons = cons
+ })
+ = do
+ dicts <- mapM con_dict cons
+ dfun <- prDFunOfTyCon sum_tc
+ return $ dfun `mkTyApps` tys `mkApps` dicts
+
+ con_dict (ConRepr _ r) = prod_dict r
+
+ prod_dict EmptyProd = prDFunOfTyCon =<< builtin voidTyCon
+ prod_dict (UnaryProd r) = comp_dict r
+ prod_dict (Prod { repr_tup_tc = tup_tc
+ , repr_comp_tys = tys
+ , repr_comps = comps })
+ = do
+ dicts <- mapM comp_dict comps
+ dfun <- prDFunOfTyCon tup_tc
+ return $ dfun `mkTyApps` tys `mkApps` dicts
+
+ comp_dict (Keep _ pr) = return pr
+ comp_dict (Wrap ty) = wrapPR ty
+
+
--- /dev/null
+
+module Vectorise.Type.PRepr
+ ( buildPReprTyCon
+ , buildToPRepr
+ , buildFromPRepr
+ , buildToArrPRepr
+ , buildFromArrPRepr)
+where
+import VectUtils
+import Vectorise.Monad
+import Vectorise.Builtins
+import Vectorise.Type.Repr
+import CoreSyn
+import CoreUtils
+import MkCore ( mkWildCase )
+import TyCon
+import Type
+import BuildTyCl
+import OccName
+import Coercion
+import MkId
+
+import FastString
+import MonadUtils
+import Control.Monad
+
+
+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 -> SumRepr -> VM TyCon
+buildPReprTyCon orig_tc vect_tc repr
+ = do
+ name <- cloneName mkPReprTyConOcc (tyConName orig_tc)
+ -- rhs_ty <- buildPReprType vect_tc
+ rhs_ty <- sumReprType repr
+ prepr_tc <- builtin preprTyCon
+ liftDs $ buildSynTyCon name
+ tyvars
+ (SynonymTyCon rhs_ty)
+ (typeKind rhs_ty)
+ (Just $ mk_fam_inst prepr_tc vect_tc)
+ where
+ tyvars = tyConTyVars vect_tc
+
+
+buildToPRepr :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr
+buildToPRepr vect_tc repr_tc _ repr
+ = do
+ let arg_ty = mkTyConApp vect_tc ty_args
+ res_ty <- mkPReprType arg_ty
+ arg <- newLocalVar (fsLit "x") arg_ty
+ result <- to_sum (Var arg) arg_ty res_ty repr
+ return $ Lam arg result
+ where
+ ty_args = mkTyVarTys (tyConTyVars vect_tc)
+
+ wrap_repr_inst = wrapFamInstBody repr_tc ty_args
+
+ to_sum _ _ _ EmptySum
+ = do
+ void <- builtin voidVar
+ return $ wrap_repr_inst $ Var void
+
+ to_sum arg arg_ty res_ty (UnarySum r)
+ = do
+ (pat, vars, body) <- con_alt r
+ return $ mkWildCase arg arg_ty res_ty
+ [(pat, vars, wrap_repr_inst body)]
+
+ to_sum arg arg_ty res_ty (Sum { repr_sum_tc = sum_tc
+ , repr_con_tys = tys
+ , repr_cons = cons })
+ = do
+ alts <- mapM con_alt cons
+ let alts' = [(pat, vars, wrap_repr_inst
+ $ mkConApp sum_con (map Type tys ++ [body]))
+ | ((pat, vars, body), sum_con)
+ <- zip alts (tyConDataCons sum_tc)]
+ return $ mkWildCase arg arg_ty res_ty alts'
+
+ con_alt (ConRepr con r)
+ = do
+ (vars, body) <- to_prod r
+ return (DataAlt con, vars, body)
+
+ to_prod EmptyProd
+ = do
+ void <- builtin voidVar
+ return ([], Var void)
+
+ to_prod (UnaryProd comp)
+ = do
+ var <- newLocalVar (fsLit "x") (compOrigType comp)
+ body <- to_comp (Var var) comp
+ return ([var], body)
+
+ to_prod(Prod { repr_tup_tc = tup_tc
+ , repr_comp_tys = tys
+ , repr_comps = comps })
+ = do
+ vars <- newLocalVars (fsLit "x") (map compOrigType comps)
+ exprs <- zipWithM to_comp (map Var vars) comps
+ return (vars, mkConApp tup_con (map Type tys ++ exprs))
+ where
+ [tup_con] = tyConDataCons tup_tc
+
+ to_comp expr (Keep _ _) = return expr
+ to_comp expr (Wrap ty) = do
+ wrap_tc <- builtin wrapTyCon
+ return $ wrapNewTypeBody wrap_tc [ty] expr
+
+
+buildFromPRepr :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr
+buildFromPRepr vect_tc repr_tc _ repr
+ = do
+ arg_ty <- mkPReprType res_ty
+ arg <- newLocalVar (fsLit "x") arg_ty
+
+ result <- from_sum (unwrapFamInstScrut repr_tc ty_args (Var arg))
+ repr
+ return $ Lam arg result
+ where
+ ty_args = mkTyVarTys (tyConTyVars vect_tc)
+ res_ty = mkTyConApp vect_tc ty_args
+
+ from_sum _ EmptySum
+ = do
+ dummy <- builtin fromVoidVar
+ return $ Var dummy `App` Type res_ty
+
+ from_sum expr (UnarySum r) = from_con expr r
+ from_sum expr (Sum { repr_sum_tc = sum_tc
+ , repr_con_tys = tys
+ , repr_cons = cons })
+ = do
+ vars <- newLocalVars (fsLit "x") tys
+ es <- zipWithM from_con (map Var vars) cons
+ return $ mkWildCase expr (exprType expr) res_ty
+ [(DataAlt con, [var], e)
+ | (con, var, e) <- zip3 (tyConDataCons sum_tc) vars es]
+
+ from_con expr (ConRepr con r)
+ = from_prod expr (mkConApp con $ map Type ty_args) r
+
+ from_prod _ con EmptyProd = return con
+ from_prod expr con (UnaryProd r)
+ = do
+ e <- from_comp expr r
+ return $ con `App` e
+
+ from_prod expr con (Prod { repr_tup_tc = tup_tc
+ , repr_comp_tys = tys
+ , repr_comps = comps
+ })
+ = do
+ vars <- newLocalVars (fsLit "y") tys
+ es <- zipWithM from_comp (map Var vars) comps
+ return $ mkWildCase expr (exprType expr) res_ty
+ [(DataAlt tup_con, vars, con `mkApps` es)]
+ where
+ [tup_con] = tyConDataCons tup_tc
+
+ from_comp expr (Keep _ _) = return expr
+ from_comp expr (Wrap ty)
+ = do
+ wrap <- builtin wrapTyCon
+ return $ unwrapNewTypeBody wrap [ty] expr
+
+
+buildToArrPRepr :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr
+buildToArrPRepr vect_tc prepr_tc pdata_tc r
+ = do
+ arg_ty <- mkPDataType el_ty
+ res_ty <- mkPDataType =<< mkPReprType el_ty
+ arg <- newLocalVar (fsLit "xs") arg_ty
+
+ pdata_co <- mkBuiltinCo pdataTyCon
+ let Just repr_co = tyConFamilyCoercion_maybe prepr_tc
+ co = mkAppCoercion pdata_co
+ . mkSymCoercion
+ $ mkTyConApp repr_co ty_args
+
+ scrut = unwrapFamInstScrut pdata_tc ty_args (Var arg)
+
+ (vars, result) <- to_sum r
+
+ return . Lam arg
+ $ mkWildCase scrut (mkTyConApp pdata_tc ty_args) res_ty
+ [(DataAlt pdata_dc, vars, mkCoerce co result)]
+ where
+ ty_args = mkTyVarTys $ tyConTyVars vect_tc
+ el_ty = mkTyConApp vect_tc ty_args
+
+ [pdata_dc] = tyConDataCons pdata_tc
+
+
+ to_sum EmptySum = do
+ pvoid <- builtin pvoidVar
+ return ([], Var pvoid)
+ to_sum (UnarySum r) = to_con r
+ to_sum (Sum { repr_psum_tc = psum_tc
+ , repr_sel_ty = sel_ty
+ , repr_con_tys = tys
+ , repr_cons = cons
+ })
+ = do
+ (vars, exprs) <- mapAndUnzipM to_con cons
+ sel <- newLocalVar (fsLit "sel") sel_ty
+ return (sel : concat vars, mk_result (Var sel) exprs)
+ where
+ [psum_con] = tyConDataCons psum_tc
+ mk_result sel exprs = wrapFamInstBody psum_tc tys
+ $ mkConApp psum_con
+ $ map Type tys ++ (sel : exprs)
+
+ to_con (ConRepr _ r) = to_prod r
+
+ to_prod EmptyProd = do
+ pvoid <- builtin pvoidVar
+ return ([], Var pvoid)
+ to_prod (UnaryProd r)
+ = do
+ pty <- mkPDataType (compOrigType r)
+ var <- newLocalVar (fsLit "x") pty
+ expr <- to_comp (Var var) r
+ return ([var], expr)
+
+ to_prod (Prod { repr_ptup_tc = ptup_tc
+ , repr_comp_tys = tys
+ , repr_comps = comps })
+ = do
+ ptys <- mapM (mkPDataType . compOrigType) comps
+ vars <- newLocalVars (fsLit "x") ptys
+ es <- zipWithM to_comp (map Var vars) comps
+ return (vars, mk_result es)
+ where
+ [ptup_con] = tyConDataCons ptup_tc
+ mk_result exprs = wrapFamInstBody ptup_tc tys
+ $ mkConApp ptup_con
+ $ map Type tys ++ exprs
+
+ to_comp expr (Keep _ _) = return expr
+
+ -- FIXME: this is bound to be wrong!
+ to_comp expr (Wrap ty)
+ = do
+ wrap_tc <- builtin wrapTyCon
+ (pwrap_tc, _) <- pdataReprTyCon (mkTyConApp wrap_tc [ty])
+ return $ wrapNewTypeBody pwrap_tc [ty] expr
+
+
+buildFromArrPRepr :: TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr
+buildFromArrPRepr vect_tc prepr_tc pdata_tc r
+ = do
+ arg_ty <- mkPDataType =<< mkPReprType el_ty
+ res_ty <- mkPDataType el_ty
+ arg <- newLocalVar (fsLit "xs") arg_ty
+
+ pdata_co <- mkBuiltinCo pdataTyCon
+ let Just repr_co = tyConFamilyCoercion_maybe prepr_tc
+ co = mkAppCoercion pdata_co
+ $ mkTyConApp repr_co var_tys
+
+ scrut = mkCoerce co (Var arg)
+
+ mk_result args = wrapFamInstBody pdata_tc var_tys
+ $ mkConApp pdata_con
+ $ map Type var_tys ++ args
+
+ (expr, _) <- fixV $ \ ~(_, args) ->
+ from_sum res_ty (mk_result args) scrut r
+
+ return $ Lam arg expr
+
+ -- (args, mk) <- from_sum res_ty scrut r
+
+ -- let result = wrapFamInstBody pdata_tc var_tys
+ -- . mkConApp pdata_dc
+ -- $ map Type var_tys ++ args
+
+ -- return $ Lam arg (mk result)
+ where
+ var_tys = mkTyVarTys $ tyConTyVars vect_tc
+ el_ty = mkTyConApp vect_tc var_tys
+
+ [pdata_con] = tyConDataCons pdata_tc
+
+ from_sum _ res _ EmptySum = return (res, [])
+ from_sum res_ty res expr (UnarySum r) = from_con res_ty res expr r
+ from_sum res_ty res expr (Sum { repr_psum_tc = psum_tc
+ , repr_sel_ty = sel_ty
+ , repr_con_tys = tys
+ , repr_cons = cons })
+ = do
+ sel <- newLocalVar (fsLit "sel") sel_ty
+ ptys <- mapM mkPDataType tys
+ vars <- newLocalVars (fsLit "xs") ptys
+ (res', args) <- fold from_con res_ty res (map Var vars) cons
+ let scrut = unwrapFamInstScrut psum_tc tys expr
+ body = mkWildCase scrut (exprType scrut) res_ty
+ [(DataAlt psum_con, sel : vars, res')]
+ return (body, Var sel : args)
+ where
+ [psum_con] = tyConDataCons psum_tc
+
+
+ from_con res_ty res expr (ConRepr _ r) = from_prod res_ty res expr r
+
+ from_prod _ res _ EmptyProd = return (res, [])
+ from_prod res_ty res expr (UnaryProd r)
+ = from_comp res_ty res expr r
+ from_prod res_ty res expr (Prod { repr_ptup_tc = ptup_tc
+ , repr_comp_tys = tys
+ , repr_comps = comps })
+ = do
+ ptys <- mapM mkPDataType tys
+ vars <- newLocalVars (fsLit "ys") ptys
+ (res', args) <- fold from_comp res_ty res (map Var vars) comps
+ let scrut = unwrapFamInstScrut ptup_tc tys expr
+ body = mkWildCase scrut (exprType scrut) res_ty
+ [(DataAlt ptup_con, vars, res')]
+ return (body, args)
+ where
+ [ptup_con] = tyConDataCons ptup_tc
+
+ from_comp _ res expr (Keep _ _) = return (res, [expr])
+ from_comp _ res expr (Wrap ty)
+ = do
+ wrap_tc <- builtin wrapTyCon
+ (pwrap_tc, _) <- pdataReprTyCon (mkTyConApp wrap_tc [ty])
+ return (res, [unwrapNewTypeBody pwrap_tc [ty]
+ $ unwrapFamInstScrut pwrap_tc [ty] expr])
+
+ fold f res_ty res exprs rs = foldrM f' (res, []) (zip exprs rs)
+ where
+ f' (expr, r) (res, args) = do
+ (res', args') <- f res_ty res expr r
+ return (res', args' ++ args)