X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fvectorise%2FVectMonad.hs;h=803914cc1e40c5884093d0c15cb0ef37614efece;hb=26028c7efcd8d0ca7484b6ae2852ef777e9bf315;hp=27f90f650c04ebe668dab46e8eafa4fdba8628bc;hpb=7c737416e30137e7053b4bcd0fdd563f07fa43b0;p=ghc-hetmet.git

diff --git a/compiler/vectorise/VectMonad.hs b/compiler/vectorise/VectMonad.hs
index 27f90f6..803914c 100644
--- a/compiler/vectorise/VectMonad.hs
+++ b/compiler/vectorise/VectMonad.hs
@@ -152,6 +152,10 @@ initGlobalEnv info instEnvs famInstEnvs
     , global_bindings      = []
     }
 
+extendImportedVarsEnv :: [(Var, Var)] -> GlobalEnv -> GlobalEnv
+extendImportedVarsEnv ps genv
+  = genv { global_vars = extendVarEnvList (global_vars genv) ps }
+
 setFamInstEnv :: FamInstEnv -> GlobalEnv -> GlobalEnv
 setFamInstEnv l_fam_inst genv
   = genv { global_fam_inst_env = (g_fam_inst, l_fam_inst) }
@@ -162,6 +166,10 @@ extendTyConsEnv :: [(Name, TyCon)] -> GlobalEnv -> GlobalEnv
 extendTyConsEnv ps genv
   = genv { global_tycons = extendNameEnvList (global_tycons genv) ps }
 
+extendDataConsEnv :: [(Name, DataCon)] -> GlobalEnv -> GlobalEnv
+extendDataConsEnv ps genv
+  = genv { global_datacons = extendNameEnvList (global_datacons genv) ps }
+
 extendPAFunsEnv :: [(Name, Var)] -> GlobalEnv -> GlobalEnv
 extendPAFunsEnv ps genv
   = genv { global_pa_funs = extendNameEnvList (global_pa_funs genv) ps }
@@ -368,7 +376,9 @@ 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 ->
@@ -485,7 +495,9 @@ initV hsc_env guts info p
     go =
       do
         builtins       <- initBuiltins
-        let builtin_tycons = initBuiltinTyCons builtins
+        builtin_vars   <- initBuiltinVars builtins
+        builtin_tycons <- initBuiltinTyCons builtins
+        let builtin_datacons = initBuiltinDataCons builtins
         builtin_pas    <- initBuiltinPAs builtins
         builtin_prs    <- initBuiltinPRs builtins
         builtin_boxed  <- initBuiltinBoxedTyCons builtins
@@ -494,7 +506,9 @@ initV hsc_env guts info p
         let famInstEnvs = (eps_fam_inst_env eps, mg_fam_inst_env guts)
             instEnvs    = (eps_inst_env     eps, mg_inst_env     guts)
 
-        let genv = extendTyConsEnv builtin_tycons
+        let genv = extendImportedVarsEnv builtin_vars
+                 . extendTyConsEnv builtin_tycons
+                 . extendDataConsEnv builtin_datacons
                  . extendPAFunsEnv builtin_pas
                  . setPRFunsEnv    builtin_prs
                  . setBoxedTyConsEnv builtin_boxed