Add code for looking up PA methods of primitive TyCons

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

diff --git a/compiler/vectorise/VectBuiltIn.hs b/compiler/vectorise/VectBuiltIn.hs
index 0b8c047..36159cf 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
 ) where
 
 #include "HsVersions.h"
@@ -13,11 +15,12 @@ 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 TysPrim
 import TysWiredIn      ( unitTyCon, tupleTyCon, intTyConName )
 import PrelNames
 import BasicTypes      ( Boxity(..) )
@@ -41,6 +44,7 @@ data Builtins = Builtins {
                 , preprTyCon       :: TyCon
                 , prTyCon          :: TyCon
                 , prDataCon        :: DataCon
+                , uarrTyCon        :: TyCon
                 , sumTyCons        :: Array Int TyCon
                 , closureTyCon     :: TyCon
                 , mkPRVar          :: Var
@@ -53,7 +57,6 @@ data Builtins = Builtins {
                 , emptyPAVar       :: Var
                 -- , packPAVar        :: Var
                 -- , combinePAVar     :: Var
-                , intEqPAVar       :: Var
                 , liftingContext   :: Var
                 }
 
@@ -67,7 +70,6 @@ prodTyCon n bi
   | n >= 2 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
   | otherwise = pprPanic "prodTyCon" (ppr n)
 
-
 initBuiltins :: DsM Builtins
 initBuiltins
   = do
@@ -76,6 +78,7 @@ initBuiltins
       let [paDataCon] = tyConDataCons paTyCon
       preprTyCon   <- dsLookupTyCon preprTyConName
       prTyCon      <- dsLookupTyCon prTyConName
+      uarrTyCon    <- dsLookupTyCon uarrTyConName
       let [prDataCon] = tyConDataCons prTyCon
       closureTyCon <- dsLookupTyCon closureTyConName
 
@@ -94,7 +97,6 @@ initBuiltins
       emptyPAVar       <- dsLookupGlobalId emptyPAName
       -- packPAVar        <- dsLookupGlobalId packPAName
       -- combinePAVar     <- dsLookupGlobalId combinePAName
-      intEqPAVar       <- dsLookupGlobalId intEqPAName
 
       liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
                               newUnique
@@ -106,6 +108,7 @@ initBuiltins
                , preprTyCon       = preprTyCon
                , prTyCon          = prTyCon
                , prDataCon        = prDataCon
+               , uarrTyCon        = uarrTyCon
                , sumTyCons        = sumTyCons
                , closureTyCon     = closureTyCon
                , mkPRVar          = mkPRVar
@@ -118,7 +121,6 @@ initBuiltins
                , emptyPAVar       = emptyPAVar
                -- , packPAVar        = packPAVar
                -- , combinePAVar     = combinePAVar
-               , intEqPAVar       = intEqPAVar
                , liftingContext   = liftingContext
                }
 
@@ -192,3 +194,15 @@ 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
+
+prim_ty_cons = mkNameEnv [mk_prim intPrimTyCon]
+  where
+    mk_prim tycon = (tyConName tycon, '_' : getOccString tycon)