# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1378391561 -7200
# Node ID 6a1b7d28f2d486d80516a1e374134a771f6f5d51
# Parent  331f7590b7417d0b982bd38094b86e4a3724df5f
replace usages().count() == 0 with usages().isEmpty()

diff -r 331f7590b741 -r 6a1b7d28f2d4 graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java
--- a/graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java	Thu Sep 05 14:50:46 2013 +0200
+++ b/graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java	Thu Sep 05 16:32:41 2013 +0200
@@ -242,7 +242,7 @@
 
         // remove dead FrameStates
         for (Node n : currentGraph.getNodes(FrameState.class)) {
-            if (n.usages().count() == 0 && n.predecessor() == null) {
+            if (n.usages().isEmpty() && n.predecessor() == null) {
                 n.safeDelete();
             }
         }
diff -r 331f7590b741 -r 6a1b7d28f2d4 graal/com.oracle.graal.loop/src/com/oracle/graal/loop/LoopFragmentInside.java
--- a/graal/com.oracle.graal.loop/src/com/oracle/graal/loop/LoopFragmentInside.java	Thu Sep 05 14:50:46 2013 +0200
+++ b/graal/com.oracle.graal.loop/src/com/oracle/graal/loop/LoopFragmentInside.java	Thu Sep 05 16:32:41 2013 +0200
@@ -231,7 +231,7 @@
         StructuredGraph graph = graph();
         if (endsToMerge.size() == 1) {
             AbstractEndNode end = endsToMerge.get(0);
-            assert end.usages().count() == 0;
+            assert end.usages().isEmpty();
             newExit = graph.add(new BeginNode());
             end.replaceAtPredecessor(newExit);
             end.safeDelete();
diff -r 331f7590b741 -r 6a1b7d28f2d4 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/LoopEndNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/LoopEndNode.java	Thu Sep 05 14:50:46 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/LoopEndNode.java	Thu Sep 05 16:32:41 2013 +0200
@@ -72,7 +72,7 @@
     @Override
     public boolean verify() {
         assertTrue(loopBegin != null, "must have a loop begin");
-        assertTrue(usages().count() == 0, "LoopEnds can not be used");
+        assertTrue(usages().isEmpty(), "LoopEnds can not be used");
         return super.verify();
     }
 
diff -r 331f7590b741 -r 6a1b7d28f2d4 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ReadNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ReadNode.java	Thu Sep 05 14:50:46 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ReadNode.java	Thu Sep 05 16:32:41 2013 +0200
@@ -72,7 +72,7 @@
 
     public static ValueNode canonicalizeRead(ValueNode read, LocationNode location, ValueNode object, CanonicalizerTool tool, boolean compressible) {
         MetaAccessProvider runtime = tool.runtime();
-        if (read.usages().count() == 0) {
+        if (read.usages().isEmpty()) {
             // Read without usages can be savely removed.
             return null;
         }
diff -r 331f7590b741 -r 6a1b7d28f2d4 graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/RemoveValueProxyPhase.java
--- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/RemoveValueProxyPhase.java	Thu Sep 05 14:50:46 2013 +0200
+++ b/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/RemoveValueProxyPhase.java	Thu Sep 05 16:32:41 2013 +0200
@@ -39,7 +39,7 @@
             FrameState stateAfter = exit.stateAfter();
             if (stateAfter != null) {
                 exit.setStateAfter(null);
-                if (stateAfter.usages().count() == 0) {
+                if (stateAfter.usages().isEmpty()) {
                     stateAfter.safeDelete();
                 }
             }