Make TcGenDeriv warning-free

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

diff --git a/compiler/coreSyn/CoreSyn.lhs b/compiler/coreSyn/CoreSyn.lhs
index 6953a52..f732a95 100644 (file)
--- a/compiler/coreSyn/CoreSyn.lhs
+++ b/compiler/coreSyn/CoreSyn.lhs
@@ -48,7 +48,6 @@ module CoreSyn (
 
 #include "HsVersions.h"
 
-import StaticFlags
 import CostCentre
 import Var
 import Type
@@ -138,7 +137,7 @@ Invariant: The remaining cases are in order of increasing
 Invariant: The list of alternatives is ALWAYS EXHAUSTIVE,
           meaning that it covers all cases that can occur
 
-    An "exhausive" case does not necessarily mention all constructors:
+    An "exhaustive" case does not necessarily mention all constructors:
        data Foo = Red | Green | Blue
 
        ...case x of 
@@ -389,7 +388,7 @@ neverUnfold _                                   = False
 instance Outputable AltCon where
   ppr (DataAlt dc) = ppr dc
   ppr (LitAlt lit) = ppr lit
-  ppr DEFAULT      = ptext SLIT("__DEFAULT")
+  ppr DEFAULT      = ptext (sLit "__DEFAULT")
 
 instance Show AltCon where
   showsPrec p con = showsPrecSDoc p (ppr con)
@@ -591,23 +590,18 @@ coreExprCc _                   = noCostCentre
 %*                                                                     *
 %************************************************************************
 
+At one time we optionally carried type arguments through to runtime.
 @isRuntimeVar v@ returns if (Lam v _) really becomes a lambda at runtime,
 i.e. if type applications are actual lambdas because types are kept around
-at runtime.  
-
-Similarly isRuntimeArg.  
+at runtime.  Similarly isRuntimeArg.  
 
 \begin{code}
 isRuntimeVar :: Var -> Bool
-isRuntimeVar | opt_RuntimeTypes = \_ -> True
-            | otherwise        = \v -> isId v
+isRuntimeVar = isId 
 
 isRuntimeArg :: CoreExpr -> Bool
-isRuntimeArg | opt_RuntimeTypes = \_ -> True
-            | otherwise        = \e -> isValArg e
-\end{code}
+isRuntimeArg = isValArg
 
-\begin{code}
 isValArg :: Expr b -> Bool
 isValArg (Type _) = False
 isValArg _        = True
@@ -667,7 +661,7 @@ seqPairs ((b,e):prs) = seqBndr b `seq` seqExpr e `seq` seqPairs prs
 
 seqAlts :: [CoreAlt] -> ()
 seqAlts [] = ()
-seqAlts ((_,bs,e):alts) = seqBndrs bs `seq` seqExpr e `seq` seqAlts alts
+seqAlts ((c,bs,e):alts) = c `seq` seqBndrs bs `seq` seqExpr e `seq` seqAlts alts
 
 seqRules :: [CoreRule] -> ()
 seqRules [] = ()