# HG changeset patch
# User Gilles Duboscq <duboscq@ssw.jku.at>
# Date 1340204108 -7200
# Node ID fa1e6d1cc291fa74cf465741ab6b57e31588ae67
# Parent  c5c02cd462db0e4d3f3e97518d954af1cbec58ab
Small cleanups

diff -r c5c02cd462db -r fa1e6d1cc291 graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/loop/LoopTransformations.java
--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/loop/LoopTransformations.java	Wed Jun 20 13:52:03 2012 +0200
+++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/loop/LoopTransformations.java	Wed Jun 20 16:55:08 2012 +0200
@@ -27,6 +27,10 @@
 
 
 public abstract class LoopTransformations {
+    private LoopTransformations() {
+        // does not need to be instantiated
+    }
+
     public static void invert(LoopEx loop, FixedNode point) {
         LoopFragmentInsideBefore head = loop.insideBefore(point);
         LoopFragmentInsideBefore duplicate = head.duplicate();
diff -r c5c02cd462db -r fa1e6d1cc291 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/StructuredGraph.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/StructuredGraph.java	Wed Jun 20 13:52:03 2012 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/StructuredGraph.java	Wed Jun 20 16:55:08 2012 +0200
@@ -173,7 +173,7 @@
     }
 
     public boolean hasLoops() {
-        return getNodes(LoopBeginNode.class).iterator().hasNext();
+        return getNodes(LoopBeginNode.class).isNotEmpty();
     }
 
     public void removeFloating(FloatingNode node) {