From: bdemsky <bdemsky>
Date: Thu, 9 Apr 2009 08:20:51 +0000 (+0000)
Subject: fix bugs
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d7c1ff751a2c007c42b33735d676f8136878fec0;p=IRC.git

fix bugs
---

diff --git a/Robust/src/Analysis/Loops/LoopInvariant.java b/Robust/src/Analysis/Loops/LoopInvariant.java
index 3dfef6b8..baa5c552 100644
--- a/Robust/src/Analysis/Loops/LoopInvariant.java
+++ b/Robust/src/Analysis/Loops/LoopInvariant.java
@@ -147,7 +147,8 @@ public class LoopInvariant {
 	  continue nextfn;
 	}
 	//mark to hoist
-	hoisted.add(fn);
+	if (hoisted.add(fn))
+	    changed=true;
 	table.get(entrance).add(fn);
       }
     }