add -fsimpleopt-before-flatten

[ghc-hetmet.git] / compiler / coreSyn / MkCore.lhs

diff --git a/compiler/coreSyn/MkCore.lhs b/compiler/coreSyn/MkCore.lhs
index a497747..f1d4273 100644 (file)
--- a/compiler/coreSyn/MkCore.lhs
+++ b/compiler/coreSyn/MkCore.lhs
@@ -65,7 +65,6 @@ import Name
 import Outputable
 import FastString
 import UniqSupply
-import Unique          ( mkBuiltinUnique )
 import BasicTypes
 import Util             ( notNull, zipEqual )
 import Constants
@@ -156,8 +155,9 @@ mkWildEvBinder pred             = mkWildValBinder (mkPredTy pred)
 -- that you expect to use only at a *binding* site.  Do not use it at
 -- occurrence sites because it has a single, fixed unique, and it's very
 -- easy to get into difficulties with shadowing.  That's why it is used so little.
+-- See Note [WildCard binders] in SimplEnv
 mkWildValBinder :: Type -> Id
-mkWildValBinder ty = mkSysLocal (fsLit "wild") (mkBuiltinUnique 1) ty
+mkWildValBinder ty = mkLocalId wildCardName ty
 
 mkWildCase :: CoreExpr -> Type -> Type -> [CoreAlt] -> CoreExpr
 -- Make a case expression whose case binder is unused
@@ -478,11 +478,11 @@ mkTupleCase uniqs vars body scrut_var scrut
             in mk_tuple_case us' (chunkify vars') body'
     
     one_tuple_case chunk_vars (us, vs, body)
-      = let (us1, us2) = splitUniqSupply us
-            scrut_var = mkSysLocal (fsLit "ds") (uniqFromSupply us1)
+      = let (uniq, us') = takeUniqFromSupply us
+            scrut_var = mkSysLocal (fsLit "ds") uniq
               (mkBoxedTupleTy (map idType chunk_vars))
             body' = mkSmallTupleCase chunk_vars body scrut_var (Var scrut_var)
-        in (us2, scrut_var:vs, body')
+        in (us', scrut_var:vs, body')
 \end{code}
 
 \begin{code}
@@ -648,6 +648,7 @@ err_nm str uniq id = mkWiredInIdName cONTROL_EXCEPTION_BASE (fsLit str) uniq id
 
 rEC_SEL_ERROR_ID, rUNTIME_ERROR_ID, iRREFUT_PAT_ERROR_ID, rEC_CON_ERROR_ID :: Id
 pAT_ERROR_ID, nO_METHOD_BINDING_ERROR_ID, nON_EXHAUSTIVE_GUARDS_ERROR_ID :: Id
+aBSENT_ERROR_ID :: Id
 rEC_SEL_ERROR_ID                = mkRuntimeErrorId recSelErrorName
 rUNTIME_ERROR_ID                = mkRuntimeErrorId runtimeErrorName
 iRREFUT_PAT_ERROR_ID            = mkRuntimeErrorId irrefutPatErrorName
@@ -655,10 +656,7 @@ rEC_CON_ERROR_ID                = mkRuntimeErrorId recConErrorName
 pAT_ERROR_ID                    = mkRuntimeErrorId patErrorName
 nO_METHOD_BINDING_ERROR_ID      = mkRuntimeErrorId noMethodBindingErrorName
 nON_EXHAUSTIVE_GUARDS_ERROR_ID  = mkRuntimeErrorId nonExhaustiveGuardsErrorName
-
-aBSENT_ERROR_ID :: Id
--- Not bottoming; no unfolding!  See Note [Absent error Id] in WwLib
-aBSENT_ERROR_ID = mkVanillaGlobal absentErrorName runtimeErrorTy
+aBSENT_ERROR_ID                 = mkRuntimeErrorId absentErrorName
 
 mkRuntimeErrorId :: Name -> Id
 mkRuntimeErrorId name = pc_bottoming_Id name runtimeErrorTy