import DataCon
import TyCon
import Type
+import FamInstEnv ( extendFamInstEnvList )
+import InstEnv ( extendInstEnvList )
import Var
import VarEnv
import VarSet
import Outputable
import FastString
-import Control.Monad ( liftM, liftM2, mapAndUnzipM, zipWithM_ )
+import Control.Monad ( liftM, liftM2, mapAndUnzipM )
vectorise :: HscEnv -> UniqSupply -> RuleBase -> ModGuts
-> IO (SimplCount, ModGuts)
vectModule :: ModGuts -> VM ModGuts
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_binds = binds' }
+ 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)
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
= do
r <- lookupVar v
case r of
- Local es -> return es
- Global vexpr -> do
- lexpr <- replicateP vexpr lc
- return (vexpr, lexpr)
+ 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
+ vtys <- mapM vectType tys
r <- lookupVar v
case r of
- Local (vexpr, lexpr) -> liftM2 (,) (mk_app vexpr) (mk_app lexpr)
- Global poly -> do
- 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 (defLocalTyVar tv) (defLocalTyVarWithPA 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 (tvs ++ [dict | Just dict <- mdicts])
-
-applyToTypes :: CoreExpr -> [Type] -> VM CoreExpr
-applyToTypes expr tys
- = do
- dicts <- mapM paDictOfType tys
- return $ expr `mkTyApps` tys `mkApps` dicts
+ 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)
res_ty <- vectType (exprType $ deAnnotate body)
-- FIXME: move the functions to the top level
- mono_vfn <- applyToTypes (Var vfn_var) (mkTyVarTys tyvars)
- mono_lfn <- applyToTypes (Var lfn_var) (mkTyVarTys 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
bind_lenv lenv lbody lc_bndr [lbndr]
= do
- lengthPA <- builtin lengthPAVar
- pa_dict <- paDictOfType vty
+ len <- lengthPA (Var lbndr)
return . Let (NonRec lbndr lenv)
- $ Case (mkApps (Var lengthPA) [Type vty, pa_dict, (Var lbndr)])
+ $ Case len
lc_bndr
(exprType lbody)
[(DEFAULT, [], lbody)]
vectTyAppExpr lc (_, AnnVar v) tys = vectPolyVar lc v tys
vectTyAppExpr lc e tys = pprPanic "vectTyAppExpr" (ppr $ deAnnotate e)
--- ----------------------------------------------------------------------------
--- Types
-
-
projects / ghc-hetmet.git / blobdiff