Make coreSyn/CoreUtils.lhs compile

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

diff --git a/compiler/coreSyn/CoreUtils.lhs b/compiler/coreSyn/CoreUtils.lhs
index d4d58df..c72a7b4 100644 (file)
--- a/compiler/coreSyn/CoreUtils.lhs
+++ b/compiler/coreSyn/CoreUtils.lhs
@@ -87,14 +87,13 @@ import GHC.Exts             -- For `xori`
 \begin{code}
 exprType :: CoreExpr -> Type
 
-exprType (Var var)             = idType var
-exprType (Lit lit)             = literalType lit
-exprType (Let _ body)          = exprType body
-exprType (Case _ _ ty alts)     = ty
-exprType (Cast e co) 
-  = let (_, ty) = coercionKind co in ty
-exprType (Note other_note e)    = exprType e
-exprType (Lam binder expr)      = mkPiType binder (exprType expr)
+exprType (Var var)          = idType var
+exprType (Lit lit)          = literalType lit
+exprType (Let _ body)       = exprType body
+exprType (Case _ _ ty alts)  = ty
+exprType (Cast e co)        = snd (coercionKind co)
+exprType (Note other_note e) = exprType e
+exprType (Lam binder expr)   = mkPiType binder (exprType expr)
 exprType e@(App _ _)
   = case collectArgs e of
        (fun, args) -> applyTypeToArgs e (exprType fun) args
@@ -260,6 +259,8 @@ mkAltExpr (DataAlt con) args inst_tys
   = mkConApp con (map Type inst_tys ++ varsToCoreExprs args)
 mkAltExpr (LitAlt lit) [] []
   = Lit lit
+mkAltExpr (LitAlt _) _ _ = panic "mkAltExpr LitAlt"
+mkAltExpr DEFAULT _ _ = panic "mkAltExpr DEFAULT"
 
 mkIfThenElse :: CoreExpr -> CoreExpr -> CoreExpr -> CoreExpr
 mkIfThenElse guard then_expr else_expr