src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases.common/src/org/graalvm/compiler/phases/common/FloatingReadPhase.java

rev 52509 : [mq]: graal

@@ -67,11 +67,11 @@
 import org.graalvm.compiler.nodes.memory.MemoryNode;
 import org.graalvm.compiler.nodes.memory.MemoryPhiNode;
 import org.graalvm.compiler.nodes.memory.ReadNode;
 import org.graalvm.compiler.nodes.util.GraphUtil;
 import org.graalvm.compiler.phases.Phase;
-import org.graalvm.compiler.phases.common.util.HashSetNodeEventListener;
+import org.graalvm.compiler.phases.common.util.EconomicSetNodeEventListener;
 import org.graalvm.compiler.phases.graph.ReentrantNodeIterator;
 import org.graalvm.compiler.phases.graph.ReentrantNodeIterator.LoopInfo;
 import org.graalvm.compiler.phases.graph.ReentrantNodeIterator.NodeIteratorClosure;
 import jdk.internal.vm.compiler.word.LocationIdentity;
 

@@ -219,11 +219,11 @@
                 HIRLoop loop = (HIRLoop) l;
                 processLoop(loop, modifiedInLoops);
             }
         }
 
-        HashSetNodeEventListener listener = new HashSetNodeEventListener(EnumSet.of(NODE_ADDED, ZERO_USAGES));
+        EconomicSetNodeEventListener listener = new EconomicSetNodeEventListener(EnumSet.of(NODE_ADDED, ZERO_USAGES));
         try (NodeEventScope nes = graph.trackNodeEvents(listener)) {
             ReentrantNodeIterator.apply(new FloatingReadClosure(modifiedInLoops, createFloatingReads, createMemoryMapNodes), graph.start(), new MemoryMapImpl(graph.start()));
         }
 
         for (Node n : removeExternallyUsedNodes(listener.getNodes())) {