# HG changeset patch
# User Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
# Date 1422408854 -3600
# Node ID ec0733b5a90aa0ef59f546c08647383897fc8bf8
# Parent  2ccaaf5a6be4f8d35c5684eaa43183fa9259e608
Allow final modifier on node subclasses and start adding the modifier to leaf classes.

diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/NodePosIteratorTest.java
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/NodePosIteratorTest.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/NodePosIteratorTest.java	Wed Jan 28 02:34:14 2015 +0100
@@ -32,7 +32,7 @@
 public class NodePosIteratorTest extends GraalCompilerTest {
 
     @NodeInfo
-    static class TestNode extends Node {
+    static final class TestNode extends Node {
         @Successor Node s1;
         @Successor Node s2;
         @Successor NodeSuccessorList<Node> stail;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.graph.test/src/com/oracle/graal/graph/test/NodeMapTest.java
--- a/graal/com.oracle.graal.graph.test/src/com/oracle/graal/graph/test/NodeMapTest.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.graph.test/src/com/oracle/graal/graph/test/NodeMapTest.java	Wed Jan 28 02:34:14 2015 +0100
@@ -33,7 +33,7 @@
 public class NodeMapTest {
 
     @NodeInfo
-    static class TestNode extends Node {
+    static final class TestNode extends Node {
         protected TestNode() {
         }
     }
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.graph.test/src/com/oracle/graal/graph/test/NodeUsagesTests.java
--- a/graal/com.oracle.graal.graph.test/src/com/oracle/graal/graph/test/NodeUsagesTests.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.graph.test/src/com/oracle/graal/graph/test/NodeUsagesTests.java	Wed Jan 28 02:34:14 2015 +0100
@@ -34,13 +34,13 @@
 public class NodeUsagesTests {
 
     @NodeInfo
-    static class Def extends Node {
+    static final class Def extends Node {
         protected Def() {
         }
     }
 
     @NodeInfo
-    static class Use extends Node {
+    static final class Use extends Node {
         @Input Def in0;
         @Input Def in1;
         @Input Def in2;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Graph.java
--- a/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Graph.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Graph.java	Wed Jan 28 02:34:14 2015 +0100
@@ -624,7 +624,7 @@
 
     // Fully qualified annotation name is required to satisfy javac
     @com.oracle.graal.nodeinfo.NodeInfo
-    static class PlaceHolderNode extends Node {
+    static final class PlaceHolderNode extends Node {
         public PlaceHolderNode() {
         }
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot.amd64.test/src/com/oracle/graal/hotspot/amd64/test/DataPatchInConstantsTest.java
--- a/graal/com.oracle.graal.hotspot.amd64.test/src/com/oracle/graal/hotspot/amd64/test/DataPatchInConstantsTest.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot.amd64.test/src/com/oracle/graal/hotspot/amd64/test/DataPatchInConstantsTest.java	Wed Jan 28 02:34:14 2015 +0100
@@ -153,7 +153,7 @@
     }
 
     @NodeInfo
-    private static class LoadThroughPatchNode extends FixedWithNextNode implements LIRLowerable {
+    private static final class LoadThroughPatchNode extends FixedWithNextNode implements LIRLowerable {
 
         @Input protected ValueNode input;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64RawNativeCallNode.java
--- a/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64RawNativeCallNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64RawNativeCallNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -33,7 +33,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo
-public class AMD64RawNativeCallNode extends FixedWithNextNode implements LIRLowerable {
+public final class AMD64RawNativeCallNode extends FixedWithNextNode implements LIRLowerable {
 
     protected final JavaConstant functionPointer;
     @Input NodeInputList<ValueNode> args;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/DataPatchTest.java
--- a/graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/DataPatchTest.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/DataPatchTest.java	Wed Jan 28 02:34:14 2015 +0100
@@ -92,7 +92,7 @@
     }
 
     @NodeInfo
-    private static class ConstantFoldBarrier extends FloatingNode implements LIRLowerable {
+    private static final class ConstantFoldBarrier extends FloatingNode implements LIRLowerable {
 
         @Input protected ValueNode input;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/AllocaNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/AllocaNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/AllocaNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * the entire execution of the associated method.
  */
 @NodeInfo
-public class AllocaNode extends FixedWithNextNode implements LIRLowerable {
+public final class AllocaNode extends FixedWithNextNode implements LIRLowerable {
 
     /**
      * The number of slots in block.
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/BeginLockScopeNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/BeginLockScopeNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/BeginLockScopeNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -38,7 +38,7 @@
  * check on the object.
  */
 @NodeInfo(allowedUsageTypes = {InputType.Memory})
-public class BeginLockScopeNode extends AbstractMemoryCheckpoint implements LIRLowerable, MonitorEnter, MemoryCheckpoint.Single {
+public final class BeginLockScopeNode extends AbstractMemoryCheckpoint implements LIRLowerable, MonitorEnter, MemoryCheckpoint.Single {
 
     protected int lockDepth;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CStringNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CStringNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CStringNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -32,7 +32,7 @@
  * Converts a compile-time constant Java string into a C string installed with the generated code.
  */
 @NodeInfo
-public class CStringNode extends FloatingNode implements LIRLowerable {
+public final class CStringNode extends FloatingNode implements LIRLowerable {
 
     protected final String string;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassCastNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassCastNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassCastNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * @see ClassSubstitutions#cast(Class, Object)
  */
 @NodeInfo
-public class ClassCastNode extends MacroStateSplitNode implements Canonicalizable.Binary<ValueNode> {
+public final class ClassCastNode extends MacroStateSplitNode implements Canonicalizable.Binary<ValueNode> {
 
     public ClassCastNode(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetClassLoader0Node.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetClassLoader0Node.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetClassLoader0Node.java	Wed Jan 28 02:34:14 2015 +0100
@@ -38,7 +38,7 @@
  */
 @SuppressWarnings("javadoc")
 @NodeInfo
-public class ClassGetClassLoader0Node extends MacroStateSplitNode implements Canonicalizable {
+public final class ClassGetClassLoader0Node extends MacroStateSplitNode implements Canonicalizable {
 
     public ClassGetClassLoader0Node(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetComponentTypeNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetComponentTypeNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetComponentTypeNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -37,7 +37,7 @@
  * @see ClassSubstitutions#getComponentType(Class)
  */
 @NodeInfo
-public class ClassGetComponentTypeNode extends MacroNode implements Canonicalizable {
+public final class ClassGetComponentTypeNode extends MacroNode implements Canonicalizable {
 
     public ClassGetComponentTypeNode(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetModifiersNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetModifiersNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetModifiersNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * @see ClassSubstitutions#getModifiers(Class)
  */
 @NodeInfo
-public class ClassGetModifiersNode extends MacroNode implements Canonicalizable {
+public final class ClassGetModifiersNode extends MacroNode implements Canonicalizable {
 
     public ClassGetModifiersNode(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetSuperclassNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetSuperclassNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetSuperclassNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -37,7 +37,7 @@
  * @see ClassSubstitutions#getSuperclass(Class)
  */
 @NodeInfo
-public class ClassGetSuperclassNode extends MacroNode implements Canonicalizable {
+public final class ClassGetSuperclassNode extends MacroNode implements Canonicalizable {
 
     public ClassGetSuperclassNode(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsArrayNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsArrayNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsArrayNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * @see ClassSubstitutions#isArray(Class)
  */
 @NodeInfo
-public class ClassIsArrayNode extends MacroNode implements Canonicalizable {
+public final class ClassIsArrayNode extends MacroNode implements Canonicalizable {
 
     public ClassIsArrayNode(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsAssignableFromNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsAssignableFromNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsAssignableFromNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * @see ClassSubstitutions#isAssignableFrom(Class, Class)
  */
 @NodeInfo
-public class ClassIsAssignableFromNode extends MacroStateSplitNode implements Canonicalizable {
+public final class ClassIsAssignableFromNode extends MacroStateSplitNode implements Canonicalizable {
     public ClassIsAssignableFromNode(Invoke invoke) {
         super(invoke);
     }
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsInstanceNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsInstanceNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsInstanceNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -38,7 +38,7 @@
  * @see ClassSubstitutions#isInstance(Class, Object)
  */
 @NodeInfo
-public class ClassIsInstanceNode extends MacroNode implements Canonicalizable {
+public final class ClassIsInstanceNode extends MacroNode implements Canonicalizable {
 
     public ClassIsInstanceNode(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsInterfaceNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsInterfaceNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsInterfaceNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * @see ClassSubstitutions#isInterface(Class)
  */
 @NodeInfo
-public class ClassIsInterfaceNode extends MacroNode implements Canonicalizable {
+public final class ClassIsInterfaceNode extends MacroNode implements Canonicalizable {
 
     public ClassIsInterfaceNode(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsPrimitiveNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsPrimitiveNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsPrimitiveNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * @see ClassSubstitutions#isPrimitive(Class)
  */
 @NodeInfo
-public class ClassIsPrimitiveNode extends MacroNode implements Canonicalizable {
+public final class ClassIsPrimitiveNode extends MacroNode implements Canonicalizable {
 
     public ClassIsPrimitiveNode(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CompressionNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CompressionNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CompressionNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -40,7 +40,7 @@
  * Compress or uncompress an oop or metaspace pointer.
  */
 @NodeInfo(nameTemplate = "{p#op/s}")
-public class CompressionNode extends UnaryNode implements ConvertNode, LIRLowerable {
+public final class CompressionNode extends UnaryNode implements ConvertNode, LIRLowerable {
 
     public enum CompressionOp {
         Compress,
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CurrentJavaThreadNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CurrentJavaThreadNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CurrentJavaThreadNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -38,7 +38,7 @@
  * Gets the address of the C++ JavaThread object for the current thread.
  */
 @NodeInfo
-public class CurrentJavaThreadNode extends FloatingNode implements LIRLowerable {
+public final class CurrentJavaThreadNode extends FloatingNode implements LIRLowerable {
 
     protected LIRKind wordKind;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CurrentLockNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CurrentLockNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CurrentLockNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -34,7 +34,7 @@
  * Intrinsic for getting the lock in the current {@linkplain BeginLockScopeNode lock scope}.
  */
 @NodeInfo
-public class CurrentLockNode extends FixedWithNextNode implements LIRLowerable {
+public final class CurrentLockNode extends FixedWithNextNode implements LIRLowerable {
 
     protected int lockDepth;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/DeoptimizationFetchUnrollInfoCallNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/DeoptimizationFetchUnrollInfoCallNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/DeoptimizationFetchUnrollInfoCallNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -39,7 +39,7 @@
  * A call to the runtime code {@code Deoptimization::fetch_unroll_info}.
  */
 @NodeInfo(allowedUsageTypes = {InputType.Memory})
-public class DeoptimizationFetchUnrollInfoCallNode extends FixedWithNextNode implements LIRLowerable, MemoryCheckpoint.Multi {
+public final class DeoptimizationFetchUnrollInfoCallNode extends FixedWithNextNode implements LIRLowerable, MemoryCheckpoint.Multi {
 
     @Input SaveAllRegistersNode registerSaver;
     protected final ForeignCallsProvider foreignCalls;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/DeoptimizeCallerNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/DeoptimizeCallerNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/DeoptimizeCallerNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -33,7 +33,7 @@
  * Removes the current frame and tail calls the uncommon trap routine.
  */
 @NodeInfo(shortName = "DeoptCaller", nameTemplate = "DeoptCaller {p#reason/s}")
-public class DeoptimizeCallerNode extends ControlSinkNode implements LIRLowerable {
+public final class DeoptimizeCallerNode extends ControlSinkNode implements LIRLowerable {
 
     protected final DeoptimizationAction action;
     protected final DeoptimizationReason reason;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/DimensionsNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/DimensionsNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/DimensionsNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -39,7 +39,7 @@
  * instruction.
  */
 @NodeInfo
-public class DimensionsNode extends FixedWithNextNode implements LIRLowerable {
+public final class DimensionsNode extends FixedWithNextNode implements LIRLowerable {
 
     protected final int rank;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/DirectCompareAndSwapNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/DirectCompareAndSwapNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/DirectCompareAndSwapNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -38,7 +38,7 @@
  * expected value or the compared against value instead of a boolean.
  */
 @NodeInfo(allowedUsageTypes = {InputType.Memory})
-public class DirectCompareAndSwapNode extends FixedWithNextNode implements LIRLowerable, MemoryCheckpoint.Single {
+public final class DirectCompareAndSwapNode extends FixedWithNextNode implements LIRLowerable, MemoryCheckpoint.Single {
 
     @Input ValueNode object;
     @Input ValueNode offset;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/G1ArrayRangePreWriteBarrier.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/G1ArrayRangePreWriteBarrier.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/G1ArrayRangePreWriteBarrier.java	Wed Jan 28 02:34:14 2015 +0100
@@ -26,7 +26,7 @@
 import com.oracle.graal.nodes.*;
 
 @NodeInfo
-public class G1ArrayRangePreWriteBarrier extends ArrayRangeWriteBarrier {
+public final class G1ArrayRangePreWriteBarrier extends ArrayRangeWriteBarrier {
 
     public G1ArrayRangePreWriteBarrier(ValueNode object, ValueNode startIndex, ValueNode length) {
         super(object, startIndex, length);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/G1PreWriteBarrier.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/G1PreWriteBarrier.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/G1PreWriteBarrier.java	Wed Jan 28 02:34:14 2015 +0100
@@ -27,7 +27,7 @@
 import com.oracle.graal.nodes.extended.*;
 
 @NodeInfo
-public class G1PreWriteBarrier extends WriteBarrier implements DeoptimizingNode.DeoptBefore {
+public final class G1PreWriteBarrier extends WriteBarrier implements DeoptimizingNode.DeoptBefore {
 
     @OptionalInput(InputType.State) FrameState stateBefore;
     protected final boolean nullCheck;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/G1ReferentFieldReadBarrier.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/G1ReferentFieldReadBarrier.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/G1ReferentFieldReadBarrier.java	Wed Jan 28 02:34:14 2015 +0100
@@ -33,7 +33,7 @@
  * read barrier and consequently is added to the SATB queue if the concurrent marker is enabled.
  */
 @NodeInfo
-public class G1ReferentFieldReadBarrier extends WriteBarrier {
+public final class G1ReferentFieldReadBarrier extends WriteBarrier {
 
     protected final boolean doLoad;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/GetObjectAddressNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/GetObjectAddressNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/GetObjectAddressNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -34,7 +34,7 @@
  * this is if the usage is not an attempt to dereference the value.
  */
 @NodeInfo
-public class GetObjectAddressNode extends FixedWithNextNode implements LIRLowerable {
+public final class GetObjectAddressNode extends FixedWithNextNode implements LIRLowerable {
 
     @Input ValueNode object;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/HotSpotIndirectCallTargetNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/HotSpotIndirectCallTargetNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/HotSpotIndirectCallTargetNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -31,7 +31,7 @@
 import com.oracle.graal.nodes.*;
 
 @NodeInfo
-public class HotSpotIndirectCallTargetNode extends IndirectCallTargetNode {
+public final class HotSpotIndirectCallTargetNode extends IndirectCallTargetNode {
 
     @Input ValueNode metaspaceMethod;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/LoadIndexedPointerNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/LoadIndexedPointerNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/LoadIndexedPointerNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -29,7 +29,7 @@
 import com.oracle.graal.nodes.java.*;
 
 @NodeInfo
-public class LoadIndexedPointerNode extends LoadIndexedNode {
+public final class LoadIndexedPointerNode extends LoadIndexedNode {
 
     public LoadIndexedPointerNode(Stamp stamp, ValueNode array, ValueNode index) {
         super(stamp, array, index, Kind.Illegal);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/MonitorCounterNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/MonitorCounterNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/MonitorCounterNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -35,7 +35,7 @@
  * Node that is used to maintain a stack based counter of how many locks are currently held.
  */
 @NodeInfo
-public class MonitorCounterNode extends FloatingNode implements LIRLowerable {
+public final class MonitorCounterNode extends FloatingNode implements LIRLowerable {
 
     public MonitorCounterNode() {
         super(null);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/NewArrayStubCall.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/NewArrayStubCall.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/NewArrayStubCall.java	Wed Jan 28 02:34:14 2015 +0100
@@ -38,7 +38,7 @@
  * A call to the {@link NewArrayStub}.
  */
 @NodeInfo
-public class NewArrayStubCall extends DeoptimizingStubCall implements LIRLowerable {
+public final class NewArrayStubCall extends DeoptimizingStubCall implements LIRLowerable {
 
     private static final Stamp defaultStamp = StampFactory.objectNonNull();
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/NewInstanceStubCall.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/NewInstanceStubCall.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/NewInstanceStubCall.java	Wed Jan 28 02:34:14 2015 +0100
@@ -38,7 +38,7 @@
  * A call to the {@link NewInstanceStub}.
  */
 @NodeInfo
-public class NewInstanceStubCall extends DeoptimizingStubCall implements LIRLowerable {
+public final class NewInstanceStubCall extends DeoptimizingStubCall implements LIRLowerable {
 
     private static final Stamp defaultStamp = StampFactory.objectNonNull();
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/NewMultiArrayStubCall.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/NewMultiArrayStubCall.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/NewMultiArrayStubCall.java	Wed Jan 28 02:34:14 2015 +0100
@@ -38,7 +38,7 @@
  * Node implementing a call to {@code GraalRuntime::new_multi_array}.
  */
 @NodeInfo
-public class NewMultiArrayStubCall extends ForeignCallNode {
+public final class NewMultiArrayStubCall extends ForeignCallNode {
 
     private static final Stamp defaultStamp = StampFactory.objectNonNull();
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CallSiteTargetNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CallSiteTargetNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CallSiteTargetNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -33,7 +33,7 @@
 import com.oracle.graal.replacements.nodes.*;
 
 @NodeInfo
-public class CallSiteTargetNode extends MacroStateSplitNode implements Canonicalizable, Lowerable {
+public final class CallSiteTargetNode extends MacroStateSplitNode implements Canonicalizable, Lowerable {
 
     public CallSiteTargetNode(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CardTableAddressNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CardTableAddressNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CardTableAddressNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -30,7 +30,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo
-public class CardTableAddressNode extends FloatingNode implements LIRLowerable {
+public final class CardTableAddressNode extends FloatingNode implements LIRLowerable {
 
     public CardTableAddressNode() {
         super(StampFactory.forKind(Kind.Long));
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CardTableShiftNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CardTableShiftNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CardTableShiftNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -30,7 +30,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo
-public class CardTableShiftNode extends FloatingNode implements LIRLowerable {
+public final class CardTableShiftNode extends FloatingNode implements LIRLowerable {
 
     public CardTableShiftNode() {
         super(StampFactory.intValue());
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ClassGetHubNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ClassGetHubNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ClassGetHubNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -42,7 +42,7 @@
  * {@link ReadNode#canonicalizeRead(ValueNode, LocationNode, ValueNode, CanonicalizerTool)}.
  */
 @NodeInfo
-public class ClassGetHubNode extends FloatingGuardedNode implements Lowerable, Canonicalizable, ConvertNode {
+public final class ClassGetHubNode extends FloatingGuardedNode implements Lowerable, Canonicalizable, ConvertNode {
     @Input protected ValueNode clazz;
 
     public ClassGetHubNode(ValueNode clazz) {
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CompositeValueClassSubstitutions.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CompositeValueClassSubstitutions.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CompositeValueClassSubstitutions.java	Wed Jan 28 02:34:14 2015 +0100
@@ -45,7 +45,7 @@
      * {@link Class} parameter.
      */
     @NodeInfo
-    public static class CompositeValueClassGetNode extends PureFunctionMacroNode {
+    public static final class CompositeValueClassGetNode extends PureFunctionMacroNode {
 
         public CompositeValueClassGetNode(Invoke invoke) {
             super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/MethodHandleNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/MethodHandleNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/MethodHandleNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -43,7 +43,7 @@
  * Node for invocation methods defined on the class {@link MethodHandle}.
  */
 @NodeInfo
-public class MethodHandleNode extends MacroStateSplitNode implements Simplifiable {
+public final class MethodHandleNode extends MacroStateSplitNode implements Simplifiable {
 
     // Replacement method data
     protected ResolvedJavaMethod replacementTargetMethod;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/arraycopy/ArrayCopyCallNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/arraycopy/ArrayCopyCallNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/arraycopy/ArrayCopyCallNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -39,7 +39,7 @@
 import com.oracle.graal.runtime.*;
 
 @NodeInfo(allowedUsageTypes = {InputType.Memory})
-public class ArrayCopyCallNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single {
+public final class ArrayCopyCallNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single {
 
     @Input ValueNode src;
     @Input ValueNode srcPos;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/arraycopy/ArrayCopyNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/arraycopy/ArrayCopyNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/arraycopy/ArrayCopyNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -38,7 +38,7 @@
 import com.oracle.graal.replacements.nodes.*;
 
 @NodeInfo
-public class ArrayCopyNode extends BasicArrayCopyNode implements Virtualizable, Lowerable {
+public final class ArrayCopyNode extends BasicArrayCopyNode implements Virtualizable, Lowerable {
 
     public ArrayCopyNode(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/arraycopy/CheckcastArrayCopyCallNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/arraycopy/CheckcastArrayCopyCallNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/arraycopy/CheckcastArrayCopyCallNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -38,7 +38,7 @@
 import com.oracle.graal.word.*;
 
 @NodeInfo(allowedUsageTypes = {InputType.Memory, InputType.Value})
-public class CheckcastArrayCopyCallNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single {
+public final class CheckcastArrayCopyCallNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single {
 
     @Input ValueNode src;
     @Input ValueNode srcPos;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodeinfo.processor/src/com/oracle/graal/nodeinfo/processor/GraphNodeProcessor.java
--- a/graal/com.oracle.graal.nodeinfo.processor/src/com/oracle/graal/nodeinfo/processor/GraphNodeProcessor.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodeinfo.processor/src/com/oracle/graal/nodeinfo/processor/GraphNodeProcessor.java	Wed Jan 28 02:34:14 2015 +0100
@@ -126,12 +126,15 @@
 
                 TypeElement typeElement = (TypeElement) element;
 
-                if (typeElement.getModifiers().contains(Modifier.FINAL)) {
-                    errorMessage(element, "%s annotated class must not be final", NodeInfo.class.getSimpleName());
-                    continue;
+                Set<Modifier> modifiers = typeElement.getModifiers();
+                if (!modifiers.contains(Modifier.FINAL) && !modifiers.contains(Modifier.ABSTRACT)) {
+                    // TODO(thomaswue): Reenable this check.
+                    // errorMessage(element, "%s annotated class must be either final or abstract",
+                    // NodeInfo.class.getSimpleName());
+                    // continue;
                 }
 
-                if (!typeElement.equals(verifier.Node) && !typeElement.getModifiers().contains(Modifier.ABSTRACT)) {
+                if (!typeElement.equals(verifier.Node) && !modifiers.contains(Modifier.ABSTRACT)) {
                     verifier.verify(typeElement);
                 }
             } catch (ElementException ee) {
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/BeginNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/BeginNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/BeginNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -26,7 +26,7 @@
 import com.oracle.graal.nodeinfo.*;
 
 @NodeInfo
-public class BeginNode extends AbstractBeginNode {
+public final class BeginNode extends AbstractBeginNode {
 
     public BeginNode() {
         super(StampFactory.forVoid());
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/BreakpointNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/BreakpointNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/BreakpointNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -46,7 +46,7 @@
  * inspect in the native debugger when the breakpoint is hit.
  */
 @NodeInfo
-public class BreakpointNode extends FixedWithNextNode implements LIRLowerable {
+public final class BreakpointNode extends FixedWithNextNode implements LIRLowerable {
 
     @Input NodeInputList<ValueNode> arguments;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/ConditionAnchorNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/ConditionAnchorNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/ConditionAnchorNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -30,7 +30,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo(nameTemplate = "ConditionAnchor(!={p#negated})", allowedUsageTypes = {InputType.Guard})
-public class ConditionAnchorNode extends FixedWithNextNode implements Canonicalizable.Unary<Node>, Lowerable, GuardingNode {
+public final class ConditionAnchorNode extends FixedWithNextNode implements Canonicalizable.Unary<Node>, Lowerable, GuardingNode {
 
     @Input(InputType.Condition) LogicNode condition;
     protected boolean negated;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/ConstantNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/ConstantNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/ConstantNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -39,7 +39,7 @@
  * The {@code ConstantNode} represents a {@link Constant constant}.
  */
 @NodeInfo(shortName = "Const", nameTemplate = "Const({p#rawvalue})")
-public class ConstantNode extends FloatingNode implements LIRLowerable {
+public final class ConstantNode extends FloatingNode implements LIRLowerable {
 
     private static final DebugMetric ConstantNodes = Debug.metric("ConstantNodes");
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizeNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizeNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizeNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -27,7 +27,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo(shortName = "Deopt", nameTemplate = "Deopt {p#reason/s}")
-public class DeoptimizeNode extends AbstractDeoptimizeNode implements Lowerable, LIRLowerable {
+public final class DeoptimizeNode extends AbstractDeoptimizeNode implements Lowerable, LIRLowerable {
 
     protected final DeoptimizationAction action;
     protected final DeoptimizationReason reason;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DynamicDeoptimizeNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DynamicDeoptimizeNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DynamicDeoptimizeNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -29,7 +29,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo
-public class DynamicDeoptimizeNode extends AbstractDeoptimizeNode implements LIRLowerable, Lowerable, Canonicalizable {
+public final class DynamicDeoptimizeNode extends AbstractDeoptimizeNode implements LIRLowerable, Lowerable, Canonicalizable {
     @Input ValueNode actionAndReason;
     @Input ValueNode speculation;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/EntryMarkerNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/EntryMarkerNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/EntryMarkerNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -33,7 +33,7 @@
  * by the graph builder.
  */
 @NodeInfo(allowedUsageTypes = {InputType.Association})
-public class EntryMarkerNode extends BeginStateSplitNode implements IterableNodeType, Simplifiable, LIRLowerable {
+public final class EntryMarkerNode extends BeginStateSplitNode implements IterableNodeType, Simplifiable, LIRLowerable {
 
     public EntryMarkerNode() {
     }
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/FixedGuardNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/FixedGuardNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/FixedGuardNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -30,7 +30,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo(nameTemplate = "FixedGuard(!={p#negated}) {p#reason/s}", allowedUsageTypes = {InputType.Guard})
-public class FixedGuardNode extends AbstractFixedGuardNode implements Lowerable, IterableNodeType {
+public final class FixedGuardNode extends AbstractFixedGuardNode implements Lowerable, IterableNodeType {
 
     public FixedGuardNode(LogicNode condition, DeoptimizationReason deoptReason, DeoptimizationAction action) {
         this(condition, deoptReason, action, false);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardingPiNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardingPiNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardingPiNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * A node that changes the stamp of its input based on some condition being true.
  */
 @NodeInfo(nameTemplate = "GuardingPi(!={p#negated}) {p#reason/s}")
-public class GuardingPiNode extends FixedWithNextNode implements Lowerable, Virtualizable, Canonicalizable, ValueProxy {
+public final class GuardingPiNode extends FixedWithNextNode implements Lowerable, Virtualizable, Canonicalizable, ValueProxy {
 
     @Input ValueNode object;
     @Input(InputType.Condition) LogicNode condition;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/MemoryMapNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/MemoryMapNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/MemoryMapNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo(allowedUsageTypes = {InputType.Extension})
-public class MemoryMapNode extends FloatingNode implements MemoryMap, LIRLowerable {
+public final class MemoryMapNode extends FloatingNode implements MemoryMap, LIRLowerable {
 
     protected final List<LocationIdentity> locationIdentities;
     @Input(InputType.Memory) NodeInputList<ValueNode> nodes;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/MemoryPhiNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/MemoryPhiNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/MemoryPhiNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -32,7 +32,7 @@
  * Memory {@code PhiNode}s merge memory dependencies at control flow merges.
  */
 @NodeInfo(nameTemplate = "MemoryPhi({i#values}) {p#locationIdentity/s}", allowedUsageTypes = {InputType.Memory})
-public class MemoryPhiNode extends PhiNode implements MemoryNode {
+public final class MemoryPhiNode extends PhiNode implements MemoryNode {
 
     @Input(InputType.Memory) NodeInputList<ValueNode> values;
     protected final LocationIdentity locationIdentity;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/MergeNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/MergeNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/MergeNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -28,7 +28,7 @@
  * Denotes the merging of multiple control-flow paths.
  */
 @NodeInfo
-public class MergeNode extends AbstractMergeNode {
+public final class MergeNode extends AbstractMergeNode {
     public MergeNode() {
     }
 }
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/AbsNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/AbsNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/AbsNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -34,7 +34,7 @@
  * Absolute value.
  */
 @NodeInfo
-public class AbsNode extends UnaryArithmeticNode<Abs> implements ArithmeticLIRLowerable, NarrowableArithmeticNode {
+public final class AbsNode extends UnaryArithmeticNode<Abs> implements ArithmeticLIRLowerable, NarrowableArithmeticNode {
 
     public AbsNode(ValueNode x) {
         super(ArithmeticOpTable::getAbs, x);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/AndNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/AndNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/AndNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -34,7 +34,7 @@
 import com.oracle.graal.nodes.util.*;
 
 @NodeInfo(shortName = "&")
-public class AndNode extends BinaryArithmeticNode<And> implements NarrowableArithmeticNode {
+public final class AndNode extends BinaryArithmeticNode<And> implements NarrowableArithmeticNode {
 
     public AndNode(ValueNode x, ValueNode y) {
         super(ArithmeticOpTable::getAnd, x, y);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ConditionalNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ConditionalNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ConditionalNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -38,7 +38,7 @@
  * that these nodes are not built directly from the bytecode but are introduced by canonicalization.
  */
 @NodeInfo
-public class ConditionalNode extends FloatingNode implements Canonicalizable, LIRLowerable {
+public final class ConditionalNode extends FloatingNode implements Canonicalizable, LIRLowerable {
 
     @Input(InputType.Condition) LogicNode condition;
     @Input ValueNode trueValue;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/DivNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/DivNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/DivNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -33,7 +33,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo(shortName = "/")
-public class DivNode extends BinaryArithmeticNode<Div> {
+public final class DivNode extends BinaryArithmeticNode<Div> {
 
     public DivNode(ValueNode x, ValueNode y) {
         super(ArithmeticOpTable::getDiv, x, y);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/FloatConvertNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/FloatConvertNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/FloatConvertNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -37,7 +37,7 @@
  * semantics.
  */
 @NodeInfo
-public class FloatConvertNode extends UnaryArithmeticNode<FloatConvertOp> implements ConvertNode, Lowerable, ArithmeticLIRLowerable {
+public final class FloatConvertNode extends UnaryArithmeticNode<FloatConvertOp> implements ConvertNode, Lowerable, ArithmeticLIRLowerable {
 
     protected final FloatConvert op;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/NarrowNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/NarrowNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/NarrowNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -35,7 +35,7 @@
  * The {@code NarrowNode} converts an integer to a narrower integer.
  */
 @NodeInfo
-public class NarrowNode extends IntegerConvertNode<Narrow, SignExtend> {
+public final class NarrowNode extends IntegerConvertNode<Narrow, SignExtend> {
 
     public NarrowNode(ValueNode input, int resultBits) {
         this(input, PrimitiveStamp.getBits(input.stamp()), resultBits);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/NegateNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/NegateNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/NegateNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -34,7 +34,7 @@
  * The {@code NegateNode} node negates its operand.
  */
 @NodeInfo
-public class NegateNode extends UnaryArithmeticNode<Neg> implements NarrowableArithmeticNode {
+public final class NegateNode extends UnaryArithmeticNode<Neg> implements NarrowableArithmeticNode {
 
     public NegateNode(ValueNode value) {
         super(ArithmeticOpTable::getNeg, value);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/AddLocationNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/AddLocationNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/AddLocationNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * [(base + x) + y] where base is a node and x and y are location nodes.
  */
 @NodeInfo(nameTemplate = "AddLoc {p#locationIdentity/s}")
-public class AddLocationNode extends LocationNode implements Canonicalizable.Binary<LocationNode> {
+public final class AddLocationNode extends LocationNode implements Canonicalizable.Binary<LocationNode> {
 
     @Input(InputType.Association) ValueNode x;
     @Input(InputType.Association) ValueNode y;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BoxNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BoxNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BoxNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -40,7 +40,7 @@
  * methods in Integer, Long, etc.
  */
 @NodeInfo
-public class BoxNode extends UnaryNode implements VirtualizableAllocation, Lowerable {
+public final class BoxNode extends UnaryNode implements VirtualizableAllocation, Lowerable {
 
     protected final Kind boxingKind;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BranchProbabilityNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BranchProbabilityNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BranchProbabilityNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * intended primarily for snippets, so that they can define their fast and slow paths.
  */
 @NodeInfo
-public class BranchProbabilityNode extends FloatingNode implements Simplifiable, Lowerable {
+public final class BranchProbabilityNode extends FloatingNode implements Simplifiable, Lowerable {
 
     public static final double LIKELY_PROBABILITY = 0.6;
     public static final double NOT_LIKELY_PROBABILITY = 1 - LIKELY_PROBABILITY;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BytecodeExceptionNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BytecodeExceptionNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BytecodeExceptionNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -34,7 +34,7 @@
  * either a {@linkplain ForeignCallDescriptor foreign} call or a pre-allocated exception object.
  */
 @NodeInfo
-public class BytecodeExceptionNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single {
+public final class BytecodeExceptionNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single {
 
     protected final Class<? extends Throwable> exceptionClass;
     @Input NodeInputList<ValueNode> arguments;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ComputeAddressNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ComputeAddressNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ComputeAddressNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -30,7 +30,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo
-public class ComputeAddressNode extends FloatingNode implements LIRLowerable {
+public final class ComputeAddressNode extends FloatingNode implements LIRLowerable {
 
     @Input ValueNode object;
     @Input(InputType.Association) ValueNode location;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ConstantLocationNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ConstantLocationNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ConstantLocationNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -33,7 +33,7 @@
  * where base is a node and disp is a constant.
  */
 @NodeInfo(nameTemplate = "Loc {p#locationIdentity/s}")
-public class ConstantLocationNode extends LocationNode {
+public final class ConstantLocationNode extends LocationNode {
 
     protected final LocationIdentity locationIdentity;
     protected final long displacement;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/FixedValueAnchorNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/FixedValueAnchorNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/FixedValueAnchorNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -28,7 +28,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo
-public class FixedValueAnchorNode extends FixedWithNextNode implements LIRLowerable, ValueProxy {
+public final class FixedValueAnchorNode extends FixedWithNextNode implements LIRLowerable, ValueProxy {
 
     @Input ValueNode object;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/LoadHubNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/LoadHubNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/LoadHubNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -33,7 +33,7 @@
  * Loads an object's hub. The object is not null-checked by this operation.
  */
 @NodeInfo
-public class LoadHubNode extends FloatingGuardedNode implements Lowerable, Canonicalizable, Virtualizable {
+public final class LoadHubNode extends FloatingGuardedNode implements Lowerable, Canonicalizable, Virtualizable {
 
     @Input ValueNode value;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AbstractNewArrayNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AbstractNewArrayNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AbstractNewArrayNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -32,7 +32,7 @@
  * The {@code AbstractNewArrayNode} is used for all 1-dimensional array allocations.
  */
 @NodeInfo
-public class AbstractNewArrayNode extends AbstractNewObjectNode implements ArrayLengthProvider {
+public abstract class AbstractNewArrayNode extends AbstractNewObjectNode implements ArrayLengthProvider {
 
     @Input protected ValueNode length;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AbstractNewObjectNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AbstractNewObjectNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AbstractNewObjectNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * The {@code AbstractNewObjectNode} is the base class for the new instance and new array nodes.
  */
 @NodeInfo
-public class AbstractNewObjectNode extends DeoptimizingFixedWithNextNode implements Simplifiable, Lowerable {
+public abstract class AbstractNewObjectNode extends DeoptimizingFixedWithNextNode implements Simplifiable, Lowerable {
 
     protected final boolean fillContents;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ArrayLengthNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ArrayLengthNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ArrayLengthNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -34,7 +34,7 @@
  * The {@code ArrayLength} instruction gets the length of an array.
  */
 @NodeInfo
-public class ArrayLengthNode extends FixedWithNextNode implements Canonicalizable.Unary<ValueNode>, Lowerable, Virtualizable {
+public final class ArrayLengthNode extends FixedWithNextNode implements Canonicalizable.Unary<ValueNode>, Lowerable, Virtualizable {
 
     @Input ValueNode array;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AtomicReadAndAddNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AtomicReadAndAddNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AtomicReadAndAddNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * Represents an atomic read-and-add operation like {@link Unsafe#getAndAddInt(Object, long, int)}.
  */
 @NodeInfo(allowedUsageTypes = {InputType.Memory})
-public class AtomicReadAndAddNode extends AbstractMemoryCheckpoint implements LIRLowerable, MemoryCheckpoint.Single {
+public final class AtomicReadAndAddNode extends AbstractMemoryCheckpoint implements LIRLowerable, MemoryCheckpoint.Single {
 
     @Input ValueNode object;
     @Input ValueNode offset;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AtomicReadAndWriteNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AtomicReadAndWriteNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AtomicReadAndWriteNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -37,7 +37,7 @@
  * .
  */
 @NodeInfo
-public class AtomicReadAndWriteNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single {
+public final class AtomicReadAndWriteNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single {
 
     @Input ValueNode object;
     @Input ValueNode offset;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastDynamicNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastDynamicNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastDynamicNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -34,7 +34,7 @@
  * instance, to implement an object array store check.
  */
 @NodeInfo
-public class CheckCastDynamicNode extends FixedWithNextNode implements Canonicalizable.Binary<ValueNode>, Lowerable {
+public final class CheckCastDynamicNode extends FixedWithNextNode implements Canonicalizable.Binary<ValueNode>, Lowerable {
 
     @Input ValueNode object;
     @Input ValueNode hub;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -41,7 +41,7 @@
  * Implements a type check against a compile-time known type.
  */
 @NodeInfo
-public class CheckCastNode extends FixedWithNextNode implements Canonicalizable, Simplifiable, Lowerable, Virtualizable, ValueProxy {
+public final class CheckCastNode extends FixedWithNextNode implements Canonicalizable, Simplifiable, Lowerable, Virtualizable, ValueProxy {
 
     @Input protected ValueNode object;
     protected final ResolvedJavaType type;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CompareAndSwapNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CompareAndSwapNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CompareAndSwapNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * value matched the expected value.
  */
 @NodeInfo(allowedUsageTypes = {InputType.Memory})
-public class CompareAndSwapNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single {
+public final class CompareAndSwapNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single {
 
     @Input ValueNode object;
     @Input ValueNode offset;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/DynamicNewInstanceNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/DynamicNewInstanceNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/DynamicNewInstanceNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -30,7 +30,7 @@
 import com.oracle.graal.nodes.*;
 
 @NodeInfo
-public class DynamicNewInstanceNode extends AbstractNewObjectNode implements Canonicalizable {
+public final class DynamicNewInstanceNode extends AbstractNewObjectNode implements Canonicalizable {
 
     @Input ValueNode clazz;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ExceptionObjectNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ExceptionObjectNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ExceptionObjectNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -34,7 +34,7 @@
  * throw instruction or implicit exception).
  */
 @NodeInfo(allowedUsageTypes = {InputType.Memory})
-public class ExceptionObjectNode extends DispatchBeginNode implements Lowerable, MemoryCheckpoint.Single {
+public final class ExceptionObjectNode extends DispatchBeginNode implements Lowerable, MemoryCheckpoint.Single {
 
     public ExceptionObjectNode(MetaAccessProvider metaAccess) {
         super(StampFactory.declaredNonNull(metaAccess.lookupJavaType(Throwable.class)));
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/LoadFieldNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/LoadFieldNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/LoadFieldNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -37,7 +37,7 @@
  * The {@code LoadFieldNode} represents a read of a static or instance field.
  */
 @NodeInfo(nameTemplate = "LoadField#{p#field/s}")
-public class LoadFieldNode extends AccessFieldNode implements Canonicalizable.Unary<ValueNode>, VirtualizableRoot, UncheckedInterfaceProvider {
+public final class LoadFieldNode extends AccessFieldNode implements Canonicalizable.Unary<ValueNode>, VirtualizableRoot, UncheckedInterfaceProvider {
 
     public LoadFieldNode(ValueNode object, ResolvedJavaField field) {
         super(createStamp(field), object, field);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MethodCallTargetNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MethodCallTargetNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MethodCallTargetNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -185,8 +185,8 @@
                  */
                 LogicNode condition = graph().unique(new InstanceOfNode(singleImplementor, receiver, getProfile()));
                 GuardNode guard = graph().unique(
-                                new GuardNode(condition, AbstractBeginNode.prevBegin(invoke().asNode()), DeoptimizationReason.OptimizedTypeCheckViolated, DeoptimizationAction.InvalidateRecompile, false,
-                                                JavaConstant.NULL_POINTER));
+                                new GuardNode(condition, AbstractBeginNode.prevBegin(invoke().asNode()), DeoptimizationReason.OptimizedTypeCheckViolated, DeoptimizationAction.InvalidateRecompile,
+                                                false, JavaConstant.NULL_POINTER));
                 PiNode piNode = graph().unique(new PiNode(receiver, StampFactory.declaredNonNull(singleImplementor), guard));
                 arguments().set(0, piNode);
                 setInvokeKind(InvokeKind.Virtual);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MonitorEnterNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MonitorEnterNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MonitorEnterNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -33,7 +33,7 @@
  * The {@code MonitorEnterNode} represents the acquisition of a monitor.
  */
 @NodeInfo
-public class MonitorEnterNode extends AccessMonitorNode implements Virtualizable, Lowerable, IterableNodeType, MonitorEnter, MemoryCheckpoint.Single {
+public final class MonitorEnterNode extends AccessMonitorNode implements Virtualizable, Lowerable, IterableNodeType, MonitorEnter, MemoryCheckpoint.Single {
 
     public MonitorEnterNode(ValueNode object, MonitorIdNode monitorId) {
         super(object, monitorId);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MonitorExitNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MonitorExitNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MonitorExitNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -37,7 +37,7 @@
  * materialized before releasing the monitor.
  */
 @NodeInfo
-public class MonitorExitNode extends AccessMonitorNode implements Virtualizable, Simplifiable, Lowerable, IterableNodeType, MonitorExit, MemoryCheckpoint.Single {
+public final class MonitorExitNode extends AccessMonitorNode implements Virtualizable, Simplifiable, Lowerable, IterableNodeType, MonitorExit, MemoryCheckpoint.Single {
 
     @OptionalInput ValueNode escapedReturnValue;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewInstanceNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewInstanceNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewInstanceNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * The {@code NewInstanceNode} represents the allocation of an instance class object.
  */
 @NodeInfo(nameTemplate = "New {p#instanceClass/s}")
-public class NewInstanceNode extends AbstractNewObjectNode implements VirtualizableAllocation {
+public final class NewInstanceNode extends AbstractNewObjectNode implements VirtualizableAllocation {
 
     protected final ResolvedJavaType instanceClass;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewMultiArrayNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewMultiArrayNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewMultiArrayNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -33,7 +33,7 @@
  * The {@code NewMultiArrayNode} represents an allocation of a multi-dimensional object array.
  */
 @NodeInfo
-public class NewMultiArrayNode extends DeoptimizingFixedWithNextNode implements Lowerable, ArrayLengthProvider {
+public final class NewMultiArrayNode extends DeoptimizingFixedWithNextNode implements Lowerable, ArrayLengthProvider {
 
     @Input protected NodeInputList<ValueNode> dimensions;
     protected final ResolvedJavaType type;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/AllocatedObjectNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/AllocatedObjectNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/AllocatedObjectNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -33,7 +33,7 @@
  * {@link VirtualObjectNode}.
  */
 @NodeInfo
-public class AllocatedObjectNode extends FloatingNode implements Virtualizable, ArrayLengthProvider {
+public final class AllocatedObjectNode extends FloatingNode implements Virtualizable, ArrayLengthProvider {
 
     @Input VirtualObjectNode virtualObject;
     @Input(InputType.Extension) CommitAllocationNode commit;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/CommitAllocationNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/CommitAllocationNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/CommitAllocationNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -33,7 +33,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo(nameTemplate = "Alloc {i#virtualObjects}", allowedUsageTypes = {InputType.Extension})
-public class CommitAllocationNode extends FixedWithNextNode implements VirtualizableAllocation, Lowerable, Simplifiable {
+public final class CommitAllocationNode extends FixedWithNextNode implements VirtualizableAllocation, Lowerable, Simplifiable {
 
     @Input NodeInputList<VirtualObjectNode> virtualObjects = new NodeInputList<>(this);
     @Input NodeInputList<ValueNode> values = new NodeInputList<>(this);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.replacements.amd64/src/com/oracle/graal/replacements/amd64/AMD64CountLeadingZerosNode.java
--- a/graal/com.oracle.graal.replacements.amd64/src/com/oracle/graal/replacements/amd64/AMD64CountLeadingZerosNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.replacements.amd64/src/com/oracle/graal/replacements/amd64/AMD64CountLeadingZerosNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -35,7 +35,7 @@
  * Count the number of leading zeros.
  */
 @NodeInfo
-public class AMD64CountLeadingZerosNode extends UnaryNode implements LIRLowerable {
+public final class AMD64CountLeadingZerosNode extends UnaryNode implements LIRLowerable {
 
     public AMD64CountLeadingZerosNode(ValueNode value) {
         super(StampFactory.forInteger(Kind.Int, 0, ((PrimitiveStamp) value.stamp()).getBits()), value);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.replacements.amd64/src/com/oracle/graal/replacements/amd64/AMD64CountTrailingZerosNode.java
--- a/graal/com.oracle.graal.replacements.amd64/src/com/oracle/graal/replacements/amd64/AMD64CountTrailingZerosNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.replacements.amd64/src/com/oracle/graal/replacements/amd64/AMD64CountTrailingZerosNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -35,7 +35,7 @@
  * Count the number of trailing zeros.
  */
 @NodeInfo
-public class AMD64CountTrailingZerosNode extends UnaryNode implements LIRLowerable {
+public final class AMD64CountTrailingZerosNode extends UnaryNode implements LIRLowerable {
 
     public AMD64CountTrailingZerosNode(ValueNode value) {
         super(StampFactory.forInteger(Kind.Int, 0, ((PrimitiveStamp) value.stamp()).getBits()), value);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.replacements.amd64/src/com/oracle/graal/replacements/amd64/AMD64FloatConvertNode.java
--- a/graal/com.oracle.graal.replacements.amd64/src/com/oracle/graal/replacements/amd64/AMD64FloatConvertNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.replacements.amd64/src/com/oracle/graal/replacements/amd64/AMD64FloatConvertNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -37,7 +37,7 @@
  * fixup code that handles the corner cases that differ between AMD64 and Java.
  */
 @NodeInfo
-public class AMD64FloatConvertNode extends UnaryArithmeticNode<FloatConvertOp> implements ArithmeticLIRLowerable {
+public final class AMD64FloatConvertNode extends UnaryArithmeticNode<FloatConvertOp> implements ArithmeticLIRLowerable {
 
     protected final FloatConvert op;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.replacements.test/src/com/oracle/graal/replacements/test/EdgesTest.java
--- a/graal/com.oracle.graal.replacements.test/src/com/oracle/graal/replacements/test/EdgesTest.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.replacements.test/src/com/oracle/graal/replacements/test/EdgesTest.java	Wed Jan 28 02:34:14 2015 +0100
@@ -43,7 +43,7 @@
 public class EdgesTest extends GraalCompilerTest {
 
     @NodeInfo
-    static class TestNode extends Node {
+    static final class TestNode extends Node {
         @Input NodeInputList<ValueNode> itail;
         @Input ConstantNode i1;
         @Input FloatingNode i2;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/ArrayEqualsNode.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/ArrayEqualsNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/ArrayEqualsNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * Compares two arrays with the same length.
  */
 @NodeInfo
-public class ArrayEqualsNode extends FixedWithNextNode implements LIRLowerable, Canonicalizable, Virtualizable, MemoryAccess {
+public final class ArrayEqualsNode extends FixedWithNextNode implements LIRLowerable, Canonicalizable, Virtualizable, MemoryAccess {
 
     /** {@link Kind} of the arrays to compare. */
     protected final Kind kind;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/AssertionNode.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/AssertionNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/AssertionNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * may need to insert a check.
  */
 @NodeInfo
-public class AssertionNode extends FixedWithNextNode implements Lowerable, Canonicalizable, LIRLowerable {
+public final class AssertionNode extends FixedWithNextNode implements Lowerable, Canonicalizable, LIRLowerable {
 
     @Input ValueNode value;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitCountNode.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitCountNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitCountNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -32,7 +32,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo
-public class BitCountNode extends UnaryNode implements LIRLowerable {
+public final class BitCountNode extends UnaryNode implements LIRLowerable {
 
     public BitCountNode(ValueNode value) {
         super(StampFactory.forInteger(Kind.Int, 0, ((PrimitiveStamp) value.stamp()).getBits()), value);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitScanForwardNode.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitScanForwardNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitScanForwardNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * input is zero.
  */
 @NodeInfo
-public class BitScanForwardNode extends UnaryNode implements LIRLowerable {
+public final class BitScanForwardNode extends UnaryNode implements LIRLowerable {
 
     public BitScanForwardNode(ValueNode value) {
         super(StampFactory.forInteger(Kind.Int, 0, ((PrimitiveStamp) value.stamp()).getBits()), value);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitScanReverseNode.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitScanReverseNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitScanReverseNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -36,7 +36,7 @@
  * input is zero.
  */
 @NodeInfo
-public class BitScanReverseNode extends UnaryNode implements LIRLowerable {
+public final class BitScanReverseNode extends UnaryNode implements LIRLowerable {
 
     public BitScanReverseNode(ValueNode value) {
         super(StampFactory.forInteger(Kind.Int, 0, ((PrimitiveStamp) value.stamp()).getBits()), value);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BlackholeNode.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BlackholeNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BlackholeNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -28,7 +28,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo
-public class BlackholeNode extends FixedWithNextNode implements LIRLowerable {
+public final class BlackholeNode extends FixedWithNextNode implements LIRLowerable {
 
     @Input ValueNode value;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DeferredPiNode.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DeferredPiNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DeferredPiNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -39,7 +39,7 @@
  * is replaced by a {@link PiNode} once the type becomes constant (which <b>must</b> happen).
  */
 @NodeInfo
-public class DeferredPiNode extends FloatingNode implements Canonicalizable {
+public final class DeferredPiNode extends FloatingNode implements Canonicalizable {
 
     @Input ValueNode object;
     @Input ValueNode type;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DirectObjectStoreNode.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DirectObjectStoreNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DirectObjectStoreNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -35,7 +35,7 @@
  * {@link StateSplit} and does not include a write barrier.
  */
 @NodeInfo
-public class DirectObjectStoreNode extends FixedWithNextNode implements Lowerable {
+public final class DirectObjectStoreNode extends FixedWithNextNode implements Lowerable {
 
     @Input ValueNode object;
     @Input ValueNode value;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/ExplodeLoopNode.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/ExplodeLoopNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/ExplodeLoopNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -37,7 +37,7 @@
  * @see VarargsParameter
  */
 @NodeInfo
-public class ExplodeLoopNode extends FixedWithNextNode {
+public final class ExplodeLoopNode extends FixedWithNextNode {
 
     public ExplodeLoopNode() {
         super(StampFactory.forVoid());
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/AssumptionNode.java
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/AssumptionNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/AssumptionNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -35,7 +35,7 @@
 import com.oracle.graal.truffle.*;
 
 @NodeInfo
-public class AssumptionNode extends MacroNode implements Simplifiable {
+public final class AssumptionNode extends MacroNode implements Simplifiable {
 
     public AssumptionNode(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/BailoutNode.java
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/BailoutNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/BailoutNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -31,7 +31,7 @@
 import com.oracle.graal.replacements.nodes.*;
 
 @NodeInfo
-public class BailoutNode extends MacroNode implements Canonicalizable {
+public final class BailoutNode extends MacroNode implements Canonicalizable {
 
     public BailoutNode(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/asserts/CompilationConstantNode.java
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/asserts/CompilationConstantNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/asserts/CompilationConstantNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -28,7 +28,7 @@
 import com.oracle.graal.nodes.*;
 
 @NodeInfo
-public class CompilationConstantNode extends NeverPartOfCompilationNode implements Canonicalizable {
+public final class CompilationConstantNode extends NeverPartOfCompilationNode implements Canonicalizable {
 
     public CompilationConstantNode(Invoke invoke) {
         super(invoke, "The value could not be reduced to a compile time constant.");
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/asserts/NeverInlineMacroNode.java
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/asserts/NeverInlineMacroNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/asserts/NeverInlineMacroNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -28,7 +28,7 @@
 import com.oracle.graal.replacements.nodes.*;
 
 @NodeInfo
-public class NeverInlineMacroNode extends MacroStateSplitNode implements com.oracle.graal.graph.IterableNodeType {
+public final class NeverInlineMacroNode extends MacroStateSplitNode implements com.oracle.graal.graph.IterableNodeType {
 
     public NeverInlineMacroNode(Invoke invoke) {
         super(invoke);
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/frame/NewFrameNode.java
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/frame/NewFrameNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/frame/NewFrameNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -46,7 +46,7 @@
  * class.
  */
 @NodeInfo
-public class NewFrameNode extends FixedWithNextNode implements IterableNodeType, VirtualizableAllocation, Canonicalizable {
+public final class NewFrameNode extends FixedWithNextNode implements IterableNodeType, VirtualizableAllocation, Canonicalizable {
 
     @Input ValueNode descriptor;
     @Input ValueNode arguments;
@@ -96,7 +96,7 @@
     }
 
     @NodeInfo
-    public static class VirtualOnlyInstanceNode extends VirtualInstanceNode {
+    public static final class VirtualOnlyInstanceNode extends VirtualInstanceNode {
 
         protected boolean allowMaterialization;
 
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/CustomizedUnsafeLoadFinalNode.java
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/CustomizedUnsafeLoadFinalNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/CustomizedUnsafeLoadFinalNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -40,7 +40,7 @@
  * Substitution for method CompilerDirectives#unsafeGet*.
  */
 @NodeInfo
-public class CustomizedUnsafeLoadFinalNode extends FixedWithNextNode implements Canonicalizable, Virtualizable, Lowerable {
+public final class CustomizedUnsafeLoadFinalNode extends FixedWithNextNode implements Canonicalizable, Virtualizable, Lowerable {
     @Input ValueNode object;
     @Input ValueNode offset;
     @Input ValueNode condition;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/CustomizedUnsafeLoadMacroNode.java
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/CustomizedUnsafeLoadMacroNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/CustomizedUnsafeLoadMacroNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -37,7 +37,7 @@
  * Macro node for CompilerDirectives#unsafeGetInt*.
  */
 @NodeInfo
-public class CustomizedUnsafeLoadMacroNode extends NeverPartOfCompilationNode implements Canonicalizable {
+public final class CustomizedUnsafeLoadMacroNode extends NeverPartOfCompilationNode implements Canonicalizable {
 
     private static final int ARGUMENT_COUNT = 4;
     private static final int OBJECT_ARGUMENT_INDEX = 0;
diff -r 2ccaaf5a6be4 -r ec0733b5a90a graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/CustomizedUnsafeStoreMacroNode.java
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/CustomizedUnsafeStoreMacroNode.java	Wed Jan 28 01:11:25 2015 +0100
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/CustomizedUnsafeStoreMacroNode.java	Wed Jan 28 02:34:14 2015 +0100
@@ -35,7 +35,7 @@
  * Macro node for method CompilerDirectives#unsafePut*.
  */
 @NodeInfo
-public class CustomizedUnsafeStoreMacroNode extends NeverPartOfCompilationNode implements Canonicalizable, StateSplit {
+public final class CustomizedUnsafeStoreMacroNode extends NeverPartOfCompilationNode implements Canonicalizable, StateSplit {
     private static final int ARGUMENT_COUNT = 4;
     private static final int OBJECT_ARGUMENT_INDEX = 0;
     private static final int OFFSET_ARGUMENT_INDEX = 1;