Commit f86c92d0 authored by benl@ouroborus.net's avatar benl@ouroborus.net
Browse files

Sort all the PADict/PData/PRDict/PRepr stuff into their own modules

parent 1a24ae99
......@@ -465,7 +465,10 @@ Library
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
......
......@@ -18,36 +18,32 @@ import Vectorise.Builtins
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
......@@ -122,148 +118,23 @@ vectTypeEnv env
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
......@@ -321,56 +192,3 @@ vectDataConWorkers orig_tc vect_tc arr_tc
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