Refactoring

[ghc-hetmet.git] / compiler / vectorise / VectBuiltIn.hs

diff --git a/compiler/vectorise/VectBuiltIn.hs b/compiler/vectorise/VectBuiltIn.hs
index d1a2e03..4f27b1e 100644 (file)
--- a/compiler/vectorise/VectBuiltIn.hs
+++ b/compiler/vectorise/VectBuiltIn.hs
@@ -1,6 +1,8 @@
 module VectBuiltIn (
   Builtins(..), sumTyCon, prodTyCon,
-  initBuiltins, initBuiltinTyCons, initBuiltinPAs, initBuiltinPRs
+  initBuiltins, initBuiltinTyCons, initBuiltinPAs, initBuiltinPRs,
+
+  primMethod, primPArray
 ) where
 
 #include "HsVersions.h"
@@ -13,11 +15,13 @@ import DataCon         ( DataCon )
 import TyCon           ( TyCon, tyConName, tyConDataCons )
 import Var             ( Var )
 import Id              ( mkSysLocal )
-import Name            ( Name )
-import OccName         ( mkVarOccFS, mkOccNameFS, tcName )
+import Name            ( Name, getOccString )
+import NameEnv
+import OccName
 
 import TypeRep         ( funTyCon )
-import TysPrim         ( intPrimTy )
+import Type            ( Type )
+import TysPrim
 import TysWiredIn      ( unitTyCon, tupleTyCon, intTyConName )
 import PrelNames
 import BasicTypes      ( Boxity(..) )
@@ -41,14 +45,19 @@ data Builtins = Builtins {
                 , preprTyCon       :: TyCon
                 , prTyCon          :: TyCon
                 , prDataCon        :: DataCon
-                , uarrTyCon        :: TyCon
+                , parrayIntPrimTyCon :: TyCon
+                , voidTyCon        :: TyCon
+                , wrapTyCon        :: TyCon
                 , sumTyCons        :: Array Int TyCon
                 , closureTyCon     :: TyCon
+                , voidVar          :: Var
                 , mkPRVar          :: Var
                 , mkClosureVar     :: Var
                 , applyClosureVar  :: Var
                 , mkClosurePVar    :: Var
                 , applyClosurePVar :: Var
+                , replicatePAIntPrimVar :: Var
+                , upToPAIntPrimVar :: Var
                 , lengthPAVar      :: Var
                 , replicatePAVar   :: Var
                 , emptyPAVar       :: Var
@@ -64,10 +73,10 @@ sumTyCon n bi
 
 prodTyCon :: Int -> Builtins -> TyCon
 prodTyCon n bi
-  | n >= 2 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
+  | n == 1                      = wrapTyCon bi
+  | n >= 0 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
   | otherwise = pprPanic "prodTyCon" (ppr n)
 
-
 initBuiltins :: DsM Builtins
 initBuiltins
   = do
@@ -76,20 +85,25 @@ initBuiltins
       let [paDataCon] = tyConDataCons paTyCon
       preprTyCon   <- dsLookupTyCon preprTyConName
       prTyCon      <- dsLookupTyCon prTyConName
-      uarrTyCon    <- dsLookupTyCon uarrTyConName
       let [prDataCon] = tyConDataCons prTyCon
+      parrayIntPrimTyCon <- dsLookupTyCon parrayIntPrimTyConName
       closureTyCon <- dsLookupTyCon closureTyConName
 
+      voidTyCon    <- lookupExternalTyCon nDP_REPR FSLIT("Void")
+      wrapTyCon    <- lookupExternalTyCon nDP_REPR FSLIT("Wrap")
       sum_tcs <- mapM (lookupExternalTyCon nDP_REPR)
                       [mkFastString ("Sum" ++ show i) | i <- [2..mAX_NDP_SUM]]
 
       let sumTyCons = listArray (2, mAX_NDP_SUM) sum_tcs
 
+      voidVar          <- lookupExternalVar nDP_REPR FSLIT("void")
       mkPRVar          <- dsLookupGlobalId mkPRName
       mkClosureVar     <- dsLookupGlobalId mkClosureName
       applyClosureVar  <- dsLookupGlobalId applyClosureName
       mkClosurePVar    <- dsLookupGlobalId mkClosurePName
       applyClosurePVar <- dsLookupGlobalId applyClosurePName
+      replicatePAIntPrimVar <- dsLookupGlobalId replicatePAIntPrimName
+      upToPAIntPrimVar <- dsLookupGlobalId upToPAIntPrimName
       lengthPAVar      <- dsLookupGlobalId lengthPAName
       replicatePAVar   <- dsLookupGlobalId replicatePAName
       emptyPAVar       <- dsLookupGlobalId emptyPAName
@@ -106,14 +120,19 @@ initBuiltins
                , preprTyCon       = preprTyCon
                , prTyCon          = prTyCon
                , prDataCon        = prDataCon
-               , uarrTyCon        = uarrTyCon
+               , parrayIntPrimTyCon = parrayIntPrimTyCon
+               , voidTyCon        = voidTyCon
+               , wrapTyCon        = wrapTyCon
                , sumTyCons        = sumTyCons
                , closureTyCon     = closureTyCon
+               , voidVar          = voidVar
                , mkPRVar          = mkPRVar
                , mkClosureVar     = mkClosureVar
                , applyClosureVar  = applyClosureVar
                , mkClosurePVar    = mkClosurePVar
                , applyClosurePVar = applyClosurePVar
+               , replicatePAIntPrimVar = replicatePAIntPrimVar
+               , upToPAIntPrimVar = upToPAIntPrimVar
                , lengthPAVar      = lengthPAVar
                , replicatePAVar   = replicatePAVar
                , emptyPAVar       = emptyPAVar
@@ -141,16 +160,18 @@ initBuiltinDicts ps
   where
     (tcs, mods, fss) = unzip3 ps
 
-initBuiltinPAs = initBuiltinDicts builtinPAs
+initBuiltinPAs = initBuiltinDicts . builtinPAs
 
-builtinPAs :: [(Name, Module, FastString)]
-builtinPAs = [
-               mk closureTyConName  nDP_CLOSURE   FSLIT("dPA_Clo")
-             , mk unitTyConName     nDP_INSTANCES FSLIT("dPA_Unit")
+builtinPAs :: Builtins -> [(Name, Module, FastString)]
+builtinPAs bi
+  = [
+      mk closureTyConName  nDP_CLOSURE       FSLIT("dPA_Clo")
+    , mk (tyConName $ voidTyCon bi) nDP_REPR FSLIT("dPA_Void")
+    , mk unitTyConName     nDP_INSTANCES     FSLIT("dPA_Unit")
 
-             , mk intTyConName      nDP_INSTANCES FSLIT("dPA_Int")
-             ]
-             ++ tups
+    , mk intTyConName      nDP_INSTANCES FSLIT("dPA_Int")
+    ]
+    ++ tups
   where
     mk name mod fs = (name, mod, fs)
 
@@ -165,6 +186,8 @@ builtinPRs :: Builtins -> [(Name, Module, FastString)]
 builtinPRs bi =
   [
     mk (tyConName unitTyCon) nDP_REPR      FSLIT("dPR_Unit")
+  , mk (tyConName $ voidTyCon bi) nDP_REPR FSLIT("dPR_Void")
+  , mk (tyConName $ wrapTyCon bi) nDP_REPR FSLIT("dPR_Wrap")
   , mk closureTyConName      nDP_CLOSURE   FSLIT("dPR_Clo")
 
     -- temporary
@@ -192,3 +215,23 @@ lookupExternalTyCon mod fs
 
 unitTyConName = tyConName unitTyCon
 
+
+primMethod :: TyCon -> String -> DsM (Maybe Var)
+primMethod tycon method
+  | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
+  = liftM Just
+  $ dsLookupGlobalId =<< lookupOrig nDP_PRIM (mkVarOcc $ method ++ suffix)
+
+  | otherwise = return Nothing
+
+primPArray :: TyCon -> DsM (Maybe TyCon)
+primPArray tycon
+  | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
+  = liftM Just
+  $ dsLookupTyCon =<< lookupOrig nDP_PRIM (mkOccName tcName $ "PArray" ++ suffix)
+
+  | otherwise = return Nothing
+
+prim_ty_cons = mkNameEnv [mk_prim intPrimTyCon]
+  where
+    mk_prim tycon = (tyConName tycon, '_' : getOccString tycon)