X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FbasicTypes%2FId.lhs;h=8f955d31fd646d506f85541ad64bcfaae9eef2a8;hb=f743f6f36762737c59f8bab358dc111dc22c1167;hp=c7ce818adb64b34fe7e59fc5ca7542377fd50cd2;hpb=0065d5ab628975892cea1ec7303f968c3338cbe1;p=ghc-hetmet.git

diff --git a/compiler/basicTypes/Id.lhs b/compiler/basicTypes/Id.lhs
index c7ce818..8f955d3 100644
--- a/compiler/basicTypes/Id.lhs
+++ b/compiler/basicTypes/Id.lhs
@@ -66,7 +66,7 @@ module Id (
 	idNewStrictness, idNewStrictness_maybe, 
 	idWorkerInfo,
 	idUnfolding,
-	idSpecialisation, idCoreRules,
+	idSpecialisation, idCoreRules, idHasRules,
 	idCafInfo,
 	idLBVarInfo,
 	idOccInfo,
@@ -409,6 +409,9 @@ idSpecialisation id = specInfo (idInfo id)
 idCoreRules :: Id -> [CoreRule]
 idCoreRules id = specInfoRules (idSpecialisation id)
 
+idHasRules :: Id -> Bool
+idHasRules id = not (isEmptySpecInfo (idSpecialisation id))
+
 setIdSpecialisation :: Id -> SpecInfo -> Id
 setIdSpecialisation id spec_info = modifyIdInfo (`setSpecInfo` spec_info) id