From 8b51b224b039971de63a12e448a194fd3bfba5de Mon Sep 17 00:00:00 2001
From: simonmar <unknown>
Date: Wed, 20 Dec 2000 10:36:23 +0000
Subject: [PATCH] [project @ 2000-12-20 10:36:23 by simonmar] add predicate on
 CafInfo: mayHaveCafRefs :: CafInfo -> Bool

---
 ghc/compiler/basicTypes/IdInfo.lhs |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ghc/compiler/basicTypes/IdInfo.lhs b/ghc/compiler/basicTypes/IdInfo.lhs
index e279fe7..79073fa 100644
--- a/ghc/compiler/basicTypes/IdInfo.lhs
+++ b/ghc/compiler/basicTypes/IdInfo.lhs
@@ -60,7 +60,7 @@ module IdInfo (
 	specInfo, setSpecInfo,
 
 	-- CAF info
-	CafInfo(..), cafInfo, setCafInfo, ppCafInfo,
+	CafInfo(..), cafInfo, setCafInfo, mayHaveCafRefs, ppCafInfo,
 
         -- Constructed Product Result Info
         CprInfo(..), cprInfo, setCprInfo, ppCprInfo, noCprInfo,
@@ -525,6 +525,9 @@ data CafInfo
 --      | OneCafRef Id
 
 
+mayHaveCafRefs MayHaveCafRefs = True
+mayHaveCafRefs _	      = False
+
 seqCaf c = c `seq` ()
 
 ppCafInfo NoCafRefs = ptext SLIT("__C")
-- 
1.7.10.4