Remove CPP from nativeGen/RegAlloc/Graph/TrivColorable.hs

[ghc-hetmet.git] / compiler / simplCore / CSE.lhs

diff --git a/compiler/simplCore/CSE.lhs b/compiler/simplCore/CSE.lhs
index 523431f..5bec8f0 100644 (file)
--- a/compiler/simplCore/CSE.lhs
+++ b/compiler/simplCore/CSE.lhs
@@ -207,6 +207,7 @@ do_one env (id, rhs)
 
 tryForCSE :: CSEnv -> CoreExpr -> CoreExpr
 tryForCSE _   (Type t) = Type t
+tryForCSE _   (Coercion c) = Coercion c
 tryForCSE env expr     = case lookupCSEnv env expr' of
                            Just smaller_expr -> smaller_expr
                            Nothing           -> expr'
@@ -215,6 +216,7 @@ tryForCSE env expr     = case lookupCSEnv env expr' of
 
 cseExpr :: CSEnv -> CoreExpr -> CoreExpr
 cseExpr _   (Type t)               = Type t
+cseExpr _   (Coercion co)          = Coercion co
 cseExpr _   (Lit lit)              = Lit lit
 cseExpr env (Var v)               = Var (lookupSubst env v)
 cseExpr env (App f a)             = App (cseExpr env f) (tryForCSE env a)