X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fvectorise%2FVectMonad.hs;h=57f87d3db7f6a2fe9220260c1ed06018974abc6e;hb=36fa8c4890e439fe8c2a4682df2a877fa2cc606b;hp=5c12bee40cd08557499128a6286bc07a07c68f95;hpb=89cf21d79ef8101e424626ad9023fd97e33af43e;p=ghc-hetmet.git

diff --git a/compiler/vectorise/VectMonad.hs b/compiler/vectorise/VectMonad.hs
index 5c12bee..57f87d3 100644
--- a/compiler/vectorise/VectMonad.hs
+++ b/compiler/vectorise/VectMonad.hs
@@ -14,7 +14,8 @@ module VectMonad (
   cloneName, cloneId, cloneVar,
   newExportedVar, newLocalVar, newDummyVar, newTyVar,
   
-  Builtins(..), sumTyCon, prodTyCon, combinePAVar,
+  Builtins(..), sumTyCon, prodTyCon, uarrTy, intPrimArrayTy,
+  combinePAVar,
   builtin, builtins,
 
   GlobalEnv(..),
@@ -57,7 +58,7 @@ import NameEnv
 import TysPrim       ( intPrimTy )
 import Module
 import IfaceEnv
-import IOEnv         ( ioToIOEnv )
+import IOEnv         ( liftIO )
 
 import DsMonad
 import PrelNames
@@ -376,7 +377,9 @@ defTyCon tc tc' = updGEnv $ \env ->
   env { global_tycons = extendNameEnv (global_tycons env) (tyConName tc) tc' }
 
 lookupDataCon :: DataCon -> VM (Maybe DataCon)
-lookupDataCon dc = readGEnv $ \env -> lookupNameEnv (global_datacons env) (dataConName dc)
+lookupDataCon dc
+  | isTupleTyCon (dataConTyCon dc) = return (Just dc)
+  | otherwise = readGEnv $ \env -> lookupNameEnv (global_datacons env) (dataConName dc)
 
 defDataCon :: DataCon -> DataCon -> VM ()
 defDataCon dc dc' = updGEnv $ \env ->
@@ -500,7 +503,7 @@ initV hsc_env guts info p
         builtin_prs    <- initBuiltinPRs builtins
         builtin_boxed  <- initBuiltinBoxedTyCons builtins
 
-        eps <- ioToIOEnv $ hscEPS hsc_env
+        eps <- liftIO $ hscEPS hsc_env
         let famInstEnvs = (eps_fam_inst_env eps, mg_fam_inst_env guts)
             instEnvs    = (eps_inst_env     eps, mg_inst_env     guts)