X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fvectorise%2FVectMonad.hs;h=9a680e714fc3124e24beae6110563fa178064b98;hb=835609b97d5f392ece196cf2c4b069ffcc4b789f;hp=b31d798c3e8517aba127f8eb0660ffe63be0627b;hpb=c099327dd5765dfefccb01302ef8ea8369728cbf;p=ghc-hetmet.git

diff --git a/compiler/vectorise/VectMonad.hs b/compiler/vectorise/VectMonad.hs
index b31d798..9a680e7 100644
--- a/compiler/vectorise/VectMonad.hs
+++ b/compiler/vectorise/VectMonad.hs
@@ -2,15 +2,15 @@ module VectMonad (
   Scope(..),
   VM,
 
-  noV, tryV, maybeV, orElseV, fixV, localV, closedV, initV,
+  noV, tryV, maybeV, traceMaybeV, orElseV, fixV, localV, closedV, initV,
   cloneName, cloneId,
   newExportedVar, newLocalVar, newDummyVar, newTyVar,
   
-  Builtins(..), paDictTyCon, paDictDataCon,
+  Builtins(..),
   builtin,
 
   GlobalEnv(..),
-  setInstEnvs,
+  setFamInstEnv,
   readGEnv, setGEnv, updGEnv,
 
   LocalEnv(..),
@@ -21,16 +21,16 @@ module VectMonad (
   lookupVar, defGlobalVar,
   lookupTyCon, defTyCon,
   lookupDataCon, defDataCon,
+  lookupTyConPA, defTyConPA, defTyConPAs, defTyConBuiltinPAs,
   lookupTyVarPA, defLocalTyVar, defLocalTyVarWithPA, localTyVars,
 
-  lookupInst, lookupFamInst
+  {-lookupInst,-} lookupFamInst
 ) where
 
 #include "HsVersions.h"
 
 import HscTypes
 import CoreSyn
-import Class
 import TyCon
 import DataCon
 import Type
@@ -41,6 +41,8 @@ import OccName
 import Name
 import NameEnv
 import TysPrim       ( intPrimTy )
+import Module
+import IfaceEnv
 
 import DsMonad
 import PrelNames
@@ -53,7 +55,7 @@ import Outputable
 import FastString
 import SrcLoc        ( noSrcSpan )
 
-import Control.Monad ( liftM )
+import Control.Monad ( liftM, zipWithM )
 
 data Scope a b = Global a | Local b
 
@@ -62,7 +64,8 @@ data Scope a b = Global a | Local b
 
 data Builtins = Builtins {
                   parrayTyCon      :: TyCon
-                , paClass          :: Class
+                , paTyCon          :: TyCon
+                , paDataCon        :: DataCon
                 , closureTyCon     :: TyCon
                 , mkClosureVar     :: Var
                 , applyClosureVar  :: Var
@@ -71,20 +74,18 @@ data Builtins = Builtins {
                 , lengthPAVar      :: Var
                 , replicatePAVar   :: Var
                 , emptyPAVar       :: Var
+                , packPAVar        :: Var
+                , combinePAVar     :: Var
+                , intEqPAVar       :: Var
                 , liftingContext   :: Var
                 }
 
-paDictTyCon :: Builtins -> TyCon
-paDictTyCon = classTyCon . paClass
-
-paDictDataCon :: Builtins -> DataCon
-paDictDataCon = classDataCon . paClass
-
 initBuiltins :: DsM Builtins
 initBuiltins
   = do
       parrayTyCon  <- dsLookupTyCon parrayTyConName
-      paClass      <- dsLookupClass paClassName
+      paTyCon      <- dsLookupTyCon paTyConName
+      let paDataCon = case tyConDataCons paTyCon of [dc] -> dc
       closureTyCon <- dsLookupTyCon closureTyConName
 
       mkClosureVar     <- dsLookupGlobalId mkClosureName
@@ -94,13 +95,17 @@ initBuiltins
       lengthPAVar      <- dsLookupGlobalId lengthPAName
       replicatePAVar   <- dsLookupGlobalId replicatePAName
       emptyPAVar       <- dsLookupGlobalId emptyPAName
+      packPAVar        <- dsLookupGlobalId packPAName
+      combinePAVar     <- dsLookupGlobalId combinePAName
+      intEqPAVar       <- dsLookupGlobalId intEqPAName
 
       liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
                               newUnique
 
       return $ Builtins {
                  parrayTyCon      = parrayTyCon
-               , paClass          = paClass
+               , paTyCon          = paTyCon
+               , paDataCon        = paDataCon
                , closureTyCon     = closureTyCon
                , mkClosureVar     = mkClosureVar
                , applyClosureVar  = applyClosureVar
@@ -109,6 +114,9 @@ initBuiltins
                , lengthPAVar      = lengthPAVar
                , replicatePAVar   = replicatePAVar
                , emptyPAVar       = emptyPAVar
+               , packPAVar        = packPAVar
+               , combinePAVar     = combinePAVar
+               , intEqPAVar       = intEqPAVar
                , liftingContext   = liftingContext
                }
 
@@ -167,7 +175,8 @@ data LocalEnv = LocalEnv {
                }
               
 
-initGlobalEnv :: VectInfo -> (InstEnv, InstEnv) -> FamInstEnvs -> Builtins -> GlobalEnv
+initGlobalEnv :: VectInfo -> (InstEnv, InstEnv) -> FamInstEnvs -> Builtins
+              -> GlobalEnv
 initGlobalEnv info instEnvs famInstEnvs bi
   = GlobalEnv {
       global_vars          = mapVarEnv snd $ vectInfoVar info
@@ -182,12 +191,11 @@ initGlobalEnv info instEnvs famInstEnvs bi
     , global_bindings      = []
     }
 
-setInstEnvs :: InstEnv -> FamInstEnv -> GlobalEnv -> GlobalEnv
-setInstEnvs l_inst l_fam_inst genv
-  | (g_inst,     _) <- global_inst_env genv
-  , (g_fam_inst, _) <- global_fam_inst_env genv
-  = genv { global_inst_env     = (g_inst, l_inst)
-         , global_fam_inst_env = (g_fam_inst, l_fam_inst) }
+setFamInstEnv :: FamInstEnv -> GlobalEnv -> GlobalEnv
+setFamInstEnv l_fam_inst genv
+  = genv { global_fam_inst_env = (g_fam_inst, l_fam_inst) }
+  where
+    (g_fam_inst, _) = global_fam_inst_env genv
 
 emptyLocalEnv = LocalEnv {
                    local_vars     = emptyVarEnv
@@ -304,6 +312,11 @@ inBind id p
   = do updLEnv $ \env -> env { local_bind_name = occNameFS (getOccName id) }
        p
 
+lookupExternalVar :: Module -> FastString -> VM Var
+lookupExternalVar mod fs
+  = liftDs
+  $ dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
+
 cloneName :: (OccName -> OccName) -> Name -> VM Name
 cloneName mk_occ name = liftM make (liftDs newUnique)
   where
@@ -383,6 +396,28 @@ defDataCon :: DataCon -> DataCon -> VM ()
 defDataCon dc dc' = updGEnv $ \env ->
   env { global_datacons = extendNameEnv (global_datacons env) (dataConName dc) dc' }
 
+lookupTyConPA :: TyCon -> VM (Maybe Var)
+lookupTyConPA tc = readGEnv $ \env -> lookupNameEnv (global_pa_funs env) (tyConName tc)
+
+defTyConPA :: TyCon -> Var -> VM ()
+defTyConPA tc pa = updGEnv $ \env ->
+  env { global_pa_funs = extendNameEnv (global_pa_funs env) (tyConName tc) pa }
+
+defTyConPAs :: [(TyCon, Var)] -> VM ()
+defTyConPAs ps = updGEnv $ \env ->
+  env { global_pa_funs = extendNameEnvList (global_pa_funs env)
+                                           [(tyConName tc, pa) | (tc, pa) <- ps] }
+
+defTyConBuiltinPAs :: [(Name, Module, FastString)] -> VM ()
+defTyConBuiltinPAs ps
+  = do
+      pas <- zipWithM lookupExternalVar mods fss
+      updGEnv $ \env ->
+        env { global_pa_funs = extendNameEnvList (global_pa_funs env)
+                                                 (zip tcs pas) }
+  where
+    (tcs, mods, fss) = unzip3 ps
+
 lookupTyVarPA :: Var -> VM (Maybe CoreExpr)
 lookupTyVarPA tv = readLEnv $ \env -> lookupVarEnv (local_tyvar_pa env) tv 
 
@@ -410,6 +445,7 @@ localTyVars = readLEnv (reverse . local_tyvars)
 -- instances head (i.e., no flexi vars); for details for what this means,
 -- see the docs at InstEnv.lookupInstEnv.
 --
+{-
 lookupInst :: Class -> [Type] -> VM (DFunId, [Type])
 lookupInst cls tys
   = do { instEnv <- getInstEnv
@@ -426,6 +462,7 @@ lookupInst cls tys
   where
     isRight (Left  _) = False
     isRight (Right _) = True
+-}
 
 -- Look up the representation tycon of a family instance.
 --
@@ -471,7 +508,10 @@ initV hsc_env guts info p
     go instEnvs famInstEnvs = 
       do
         builtins <- initBuiltins
-        r <- runVM p builtins (initGlobalEnv info instEnvs famInstEnvs builtins) 
+        r <- runVM p builtins (initGlobalEnv info
+                                             instEnvs
+                                             famInstEnvs
+                                             builtins)
                    emptyLocalEnv
         case r of
           Yes genv _ x -> return $ Just (new_info genv, x)