Fix vectorisation of recursive types

[ghc-hetmet.git] / compiler / vectorise / Vectorise / Builtins / Initialise.hs

diff --git a/compiler/vectorise/Vectorise/Builtins/Initialise.hs b/compiler/vectorise/Vectorise/Builtins/Initialise.hs
index 413980a..9e78f11 100644 (file)
--- a/compiler/vectorise/Vectorise/Builtins/Initialise.hs
+++ b/compiler/vectorise/Vectorise/Builtins/Initialise.hs
@@ -22,7 +22,6 @@ import TyCon
 import Class
 import CoreSyn
 import Type
-import OccName
 import Name
 import Module
 import Var
@@ -47,12 +46,15 @@ initBuiltins pkg
       let [parrayDataCon] = tyConDataCons parrayTyCon
 
       pdataTyCon       <- externalTyCon        dph_PArray      (fsLit "PData")
-      paTyCon          <- externalClassTyCon   dph_PArray      (fsLit "PA")
-      let [paDataCon]  = tyConDataCons paTyCon
+      paClass           <- externalClass        dph_PArray      (fsLit "PA")
+      let paTyCon     = classTyCon paClass
+          [paDataCon] = tyConDataCons paTyCon
+          paPRSel     = classSCSelId paClass 0
 
       preprTyCon       <- externalTyCon        dph_PArray      (fsLit "PRepr")
-      prTyCon          <- externalClassTyCon   dph_PArray      (fsLit "PR")
-      let [prDataCon]  = tyConDataCons prTyCon
+      prClass           <- externalClass        dph_PArray      (fsLit "PR")
+      let prTyCon     = classTyCon prClass
+          [prDataCon] = tyConDataCons prTyCon
 
       closureTyCon     <- externalTyCon dph_Closure            (fsLit ":->")
 
@@ -126,9 +128,12 @@ initBuiltins pkg
                , parrayTyCon      = parrayTyCon
                , parrayDataCon    = parrayDataCon
                , pdataTyCon       = pdataTyCon
+               , paClass          = paClass
                , paTyCon          = paTyCon
                , paDataCon        = paDataCon
+               , paPRSel          = paPRSel
                , preprTyCon       = preprTyCon
+               , prClass          = prClass
                , prTyCon          = prTyCon
                , prDataCon        = prDataCon
                , voidTyCon        = voidTyCon
@@ -306,9 +311,3 @@ externalClass :: Module -> FastString -> DsM Class
 externalClass mod fs
   = dsLookupClass =<< lookupOrig mod (mkClsOccFS fs)
 
-
--- | Like `externalClass`, but get the TyCon of of the class.
-externalClassTyCon :: Module -> FastString -> DsM TyCon
-externalClassTyCon mod fs = liftM classTyCon (externalClass mod fs)
-
-