changeset 11579:ae619d70bf4b

Rename LoweringType to GuardsPhase and make it an attribute of StructuredGraphs
author Gilles Duboscq <duboscq@ssw.jku.at>
date Tue, 10 Sep 2013 11:15:15 +0200
parents 81ebb0719dc5
children 5ce62ee0fed7
files graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/FloatingReadTest.java graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/LockEliminationTest.java graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/MemoryScheduleTest.java graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/PushNodesThroughPiTest.java graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ReadAfterCheckCastTest.java graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/HighTier.java graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/LowTier.java graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/MidTier.java graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/WriteBarrierAdditionTest.java graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/WriteBarrierVerificationTest.java graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CStringNode.java graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CallSiteTargetNode.java graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ReflectionGetCallerClassNode.java graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/UnsafeArrayCopyNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizeNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/FixedGuardNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardingPiNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/InvokeNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/InvokeWithExceptionNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/StructuredGraph.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/UnwindNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/WriteBarrier.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ConvertNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/IntegerDivNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/IntegerRemNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/NormalizeCompareNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/UnsignedDivNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/UnsignedRemNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/debug/DynamicCounterNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BoxNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BranchProbabilityNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/LoadHubNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/LoadMethodNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/OSRStartNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/StoreHubNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnboxNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeLoadNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeStoreNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AbstractNewArrayNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AccessFieldNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AccessIndexedNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ArrayLengthNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastDynamicNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CompareAndSwapNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ExceptionObjectNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/InstanceOfDynamicNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/InstanceOfNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/LoadExceptionObjectNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MonitorEnterNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MonitorExitNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewInstanceNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewMultiArrayNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/SelfReplacingMethodCallTargetNode.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/spi/Lowerable.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/spi/LoweringTool.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/CommitAllocationNode.java graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/FrameStateAssignmentPhase.java graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/GuardLoweringPhase.java graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/LoweringPhase.java graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DirectObjectStoreNode.java graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MacroNode.java graal/com.oracle.graal.truffle.test/src/com/oracle/graal/truffle/test/PartialEvaluationTest.java graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/arithmetic/IntegerAddExactNode.java graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/arithmetic/IntegerExactArithmeticSplitNode.java graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/arithmetic/IntegerMulExactNode.java graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/arithmetic/IntegerSubExactNode.java graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/asserts/NeverInlineMacroNode.java graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/frame/FrameGetNode.java graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/frame/FrameSetNode.java graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/CustomTypeCheckNode.java graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/TypeCastNode.java
diffstat 73 files changed, 119 insertions(+), 128 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/FloatingReadTest.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/FloatingReadTest.java	Tue Sep 10 11:15:15 2013 +0200
@@ -29,7 +29,6 @@
 import com.oracle.graal.graph.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.extended.*;
-import com.oracle.graal.nodes.spi.Lowerable.*;
 import com.oracle.graal.phases.common.*;
 import com.oracle.graal.phases.tiers.*;
 
@@ -60,7 +59,7 @@
             public void run() {
                 StructuredGraph graph = parse(snippet);
                 PhaseContext context = new PhaseContext(runtime(), new Assumptions(false), replacements);
-                new LoweringPhase(LoweringType.BEFORE_GUARDS).apply(graph, context);
+                new LoweringPhase().apply(graph, context);
                 new FloatingReadPhase().apply(graph);
 
                 ReturnNode returnNode = null;
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/LockEliminationTest.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/LockEliminationTest.java	Tue Sep 10 11:15:15 2013 +0200
@@ -29,7 +29,6 @@
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.java.*;
-import com.oracle.graal.nodes.spi.Lowerable.LoweringType;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.common.*;
 import com.oracle.graal.phases.tiers.*;
@@ -96,7 +95,7 @@
         new InliningPhase().apply(graph, context);
         new CanonicalizerPhase(true).apply(graph, context);
         new DeadCodeEliminationPhase().apply(graph);
-        new LoweringPhase(LoweringType.BEFORE_GUARDS).apply(graph, context);
+        new LoweringPhase().apply(graph, context);
         new ValueAnchorCleanupPhase().apply(graph);
         new LockEliminationPhase().apply(graph);
         return graph;
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/MemoryScheduleTest.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/MemoryScheduleTest.java	Tue Sep 10 11:15:15 2013 +0200
@@ -36,7 +36,6 @@
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.cfg.*;
 import com.oracle.graal.nodes.extended.*;
-import com.oracle.graal.nodes.spi.Lowerable.LoweringType;
 import com.oracle.graal.nodes.util.*;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.common.*;
@@ -504,7 +503,7 @@
                 if (mode == TestMode.INLINED_WITHOUT_FRAMESTATES) {
                     new InliningPhase().apply(graph, context);
                 }
-                new LoweringPhase(LoweringType.BEFORE_GUARDS).apply(graph, context);
+                new LoweringPhase().apply(graph, context);
                 if (mode == TestMode.WITHOUT_FRAMESTATES || mode == TestMode.INLINED_WITHOUT_FRAMESTATES) {
                     for (Node node : graph.getNodes()) {
                         if (node instanceof StateSplit) {
@@ -523,8 +522,8 @@
 
                 MidTierContext midContext = new MidTierContext(runtime(), assumptions, replacements, runtime().getTarget(), OptimisticOptimizations.ALL);
                 new GuardLoweringPhase().apply(graph, midContext);
-                new LoweringPhase(LoweringType.AFTER_GUARDS).apply(graph, midContext);
-                new LoweringPhase(LoweringType.AFTER_FSA).apply(graph, midContext);
+                new LoweringPhase().apply(graph, midContext);
+                new LoweringPhase().apply(graph, midContext);
 
                 SchedulePhase schedule = new SchedulePhase(SchedulingStrategy.LATEST_OUT_OF_LOOPS, memsched);
                 schedule.apply(graph);
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/PushNodesThroughPiTest.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/PushNodesThroughPiTest.java	Tue Sep 10 11:15:15 2013 +0200
@@ -30,7 +30,6 @@
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.calc.*;
 import com.oracle.graal.nodes.extended.*;
-import com.oracle.graal.nodes.spi.Lowerable.LoweringType;
 import com.oracle.graal.nodes.type.*;
 import com.oracle.graal.phases.common.*;
 import com.oracle.graal.phases.tiers.*;
@@ -94,7 +93,7 @@
         StructuredGraph graph = parse(snippet);
         PhaseContext context = new PhaseContext(runtime(), new Assumptions(false), replacements);
         CanonicalizerPhase canonicalizer = new CanonicalizerPhase(true);
-        new LoweringPhase(LoweringType.BEFORE_GUARDS).apply(graph, context);
+        new LoweringPhase().apply(graph, context);
         canonicalizer.apply(graph, context);
         new PushThroughPiPhase().apply(graph);
         canonicalizer.apply(graph, context);
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ReadAfterCheckCastTest.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ReadAfterCheckCastTest.java	Tue Sep 10 11:15:15 2013 +0200
@@ -29,7 +29,6 @@
 import com.oracle.graal.debug.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.extended.*;
-import com.oracle.graal.nodes.spi.Lowerable.*;
 import com.oracle.graal.phases.common.*;
 import com.oracle.graal.phases.tiers.*;
 
@@ -85,7 +84,7 @@
             public void run() {
                 StructuredGraph graph = parse(snippet);
                 PhaseContext context = new PhaseContext(runtime(), new Assumptions(false), replacements);
-                new LoweringPhase(LoweringType.BEFORE_GUARDS).apply(graph, context);
+                new LoweringPhase().apply(graph, context);
                 new FloatingReadPhase().apply(graph);
                 new EliminatePartiallyRedundantGuardsPhase(true, false).apply(graph);
                 new ReadEliminationPhase().apply(graph);
--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/HighTier.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/HighTier.java	Tue Sep 10 11:15:15 2013 +0200
@@ -27,7 +27,6 @@
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
 import com.oracle.graal.loop.phases.*;
-import com.oracle.graal.nodes.spi.Lowerable.LoweringType;
 import com.oracle.graal.options.*;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.common.*;
@@ -98,6 +97,6 @@
             appendPhase(canonicalizer);
         }
 
-        appendPhase(new LoweringPhase(LoweringType.BEFORE_GUARDS));
+        appendPhase(new LoweringPhase());
     }
 }
--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/LowTier.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/LowTier.java	Tue Sep 10 11:15:15 2013 +0200
@@ -22,7 +22,6 @@
  */
 package com.oracle.graal.compiler.phases;
 
-import com.oracle.graal.nodes.spi.Lowerable.LoweringType;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.common.*;
 import com.oracle.graal.phases.tiers.*;
@@ -30,7 +29,7 @@
 public class LowTier extends PhaseSuite<LowTierContext> {
 
     public LowTier() {
-        appendPhase(new LoweringPhase(LoweringType.AFTER_FSA));
+        appendPhase(new LoweringPhase());
 
         appendPhase(new ExpandLogicPhase());
 
--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/MidTier.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/MidTier.java	Tue Sep 10 11:15:15 2013 +0200
@@ -25,7 +25,6 @@
 import static com.oracle.graal.phases.GraalOptions.*;
 
 import com.oracle.graal.loop.phases.*;
-import com.oracle.graal.nodes.spi.Lowerable.LoweringType;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.common.*;
 import com.oracle.graal.phases.tiers.*;
@@ -86,7 +85,7 @@
 
         appendPhase(new GuardLoweringPhase());
 
-        appendPhase(new LoweringPhase(LoweringType.AFTER_GUARDS));
+        appendPhase(new LoweringPhase());
 
         appendPhase(new FrameStateAssignmentPhase());
 
--- a/graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/WriteBarrierAdditionTest.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/WriteBarrierAdditionTest.java	Tue Sep 10 11:15:15 2013 +0200
@@ -39,7 +39,6 @@
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.HeapAccess.BarrierType;
 import com.oracle.graal.nodes.extended.*;
-import com.oracle.graal.nodes.spi.Lowerable.LoweringType;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.common.*;
 import com.oracle.graal.phases.tiers.*;
@@ -250,9 +249,9 @@
                 HighTierContext highContext = new HighTierContext(runtime(), new Assumptions(false), replacements, null, getDefaultPhasePlan(), OptimisticOptimizations.ALL);
                 MidTierContext midContext = new MidTierContext(runtime(), new Assumptions(false), replacements, runtime().getTarget(), OptimisticOptimizations.ALL);
                 new InliningPhase(new InliningPhase.InlineEverythingPolicy()).apply(graph, highContext);
-                new LoweringPhase(LoweringType.BEFORE_GUARDS).apply(graph, highContext);
+                new LoweringPhase().apply(graph, highContext);
                 new GuardLoweringPhase().apply(graph, midContext);
-                new LoweringPhase(LoweringType.AFTER_GUARDS).apply(graph, midContext);
+                new LoweringPhase().apply(graph, midContext);
                 new WriteBarrierAdditionPhase().apply(graph);
                 Debug.dump(graph, "After Write Barrier Addition");
 
--- a/graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/WriteBarrierVerificationTest.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/WriteBarrierVerificationTest.java	Tue Sep 10 11:15:15 2013 +0200
@@ -36,7 +36,6 @@
 import com.oracle.graal.hotspot.phases.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.extended.*;
-import com.oracle.graal.nodes.spi.Lowerable.LoweringType;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.common.*;
 import com.oracle.graal.phases.graph.*;
@@ -637,10 +636,10 @@
 
                 MidTierContext midTierContext = new MidTierContext(runtime(), new Assumptions(false), replacements, runtime().getTarget(), OptimisticOptimizations.ALL);
 
-                new LoweringPhase(LoweringType.BEFORE_GUARDS).apply(graph, highTierContext);
+                new LoweringPhase().apply(graph, highTierContext);
                 new GuardLoweringPhase().apply(graph, midTierContext);
                 new SafepointInsertionPhase().apply(graph);
-                new LoweringPhase(LoweringType.AFTER_GUARDS).apply(graph, highTierContext);
+                new LoweringPhase().apply(graph, highTierContext);
 
                 new WriteBarrierAdditionPhase().apply(graph);
 
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java	Tue Sep 10 11:15:15 2013 +0200
@@ -85,7 +85,6 @@
 import com.oracle.graal.nodes.java.*;
 import com.oracle.graal.nodes.java.MethodCallTargetNode.InvokeKind;
 import com.oracle.graal.nodes.spi.*;
-import com.oracle.graal.nodes.spi.Lowerable.LoweringType;
 import com.oracle.graal.nodes.type.*;
 import com.oracle.graal.nodes.virtual.*;
 import com.oracle.graal.phases.tiers.*;
@@ -637,11 +636,11 @@
             graph.replaceFixedWithFixed(storeIndexed, memoryWrite);
 
         } else if (n instanceof UnsafeLoadNode) {
-            if (tool.getLoweringType().ordinal() > LoweringType.BEFORE_GUARDS.ordinal()) {
+            if (graph.getGuardsPhase().ordinal() > StructuredGraph.GuardsPhase.FLOATING_GUARDS.ordinal()) {
                 UnsafeLoadNode load = (UnsafeLoadNode) n;
                 assert load.kind() != Kind.Illegal;
                 boolean compressible = (!load.object().isNullConstant() && load.accessKind() == Kind.Object);
-                if (addReadBarrier(load, tool)) {
+                if (addReadBarrier(load)) {
                     unsafeLoadSnippets.lower(load, tool);
                 } else {
                     IndexedLocationNode location = IndexedLocationNode.create(ANY_LOCATION, load.accessKind(), load.displacement(), load.offset(), graph, 1);
@@ -677,7 +676,7 @@
             WriteNode hub = createWriteHub(graph, wordKind, storeHub.getObject(), storeHub.getValue());
             graph.replaceFixed(storeHub, hub);
         } else if (n instanceof CommitAllocationNode) {
-            if (tool.getLoweringType() == LoweringType.AFTER_GUARDS) {
+            if (graph.getGuardsPhase() == StructuredGraph.GuardsPhase.FIXED_DEOPTS) {
                 CommitAllocationNode commit = (CommitAllocationNode) n;
 
                 ValueNode[] allocations = new ValueNode[commit.getVirtualObjects().size()];
@@ -753,7 +752,7 @@
                 graph.removeFixed(commit);
             }
         } else if (n instanceof OSRStartNode) {
-            if (tool.getLoweringType() == LoweringType.AFTER_GUARDS) {
+            if (graph.getGuardsPhase() == StructuredGraph.GuardsPhase.FIXED_DEOPTS) {
                 OSRStartNode osrStart = (OSRStartNode) n;
                 StartNode newStart = graph.add(new StartNode());
                 LocalNode buffer = graph.unique(new LocalNode(0, StampFactory.forKind(wordKind())));
@@ -782,31 +781,31 @@
         } else if (n instanceof CheckCastDynamicNode) {
             checkcastDynamicSnippets.lower((CheckCastDynamicNode) n);
         } else if (n instanceof InstanceOfNode) {
-            if (tool.getLoweringType() == LoweringType.AFTER_GUARDS) {
+            if (graph.getGuardsPhase() == StructuredGraph.GuardsPhase.FIXED_DEOPTS) {
                 instanceofSnippets.lower((InstanceOfNode) n, tool);
             }
         } else if (n instanceof InstanceOfDynamicNode) {
-            if (tool.getLoweringType() == LoweringType.AFTER_GUARDS) {
+            if (graph.getGuardsPhase() == StructuredGraph.GuardsPhase.FIXED_DEOPTS) {
                 instanceofSnippets.lower((InstanceOfDynamicNode) n, tool);
             }
         } else if (n instanceof NewInstanceNode) {
-            if (tool.getLoweringType() == LoweringType.AFTER_FSA) {
+            if (graph.getGuardsPhase() == StructuredGraph.GuardsPhase.AFTER_FSA) {
                 newObjectSnippets.lower((NewInstanceNode) n);
             }
         } else if (n instanceof NewArrayNode) {
-            if (tool.getLoweringType() == LoweringType.AFTER_FSA) {
+            if (graph.getGuardsPhase() == StructuredGraph.GuardsPhase.AFTER_FSA) {
                 newObjectSnippets.lower((NewArrayNode) n);
             }
         } else if (n instanceof DynamicNewArrayNode) {
-            if (tool.getLoweringType() == LoweringType.AFTER_FSA) {
+            if (graph.getGuardsPhase() == StructuredGraph.GuardsPhase.AFTER_FSA) {
                 newObjectSnippets.lower((DynamicNewArrayNode) n);
             }
         } else if (n instanceof MonitorEnterNode) {
-            if (tool.getLoweringType() == LoweringType.AFTER_GUARDS) {
+            if (graph.getGuardsPhase() == StructuredGraph.GuardsPhase.FIXED_DEOPTS) {
                 monitorSnippets.lower((MonitorEnterNode) n, tool);
             }
         } else if (n instanceof MonitorExitNode) {
-            if (tool.getLoweringType() == LoweringType.AFTER_GUARDS) {
+            if (graph.getGuardsPhase() == StructuredGraph.GuardsPhase.FIXED_DEOPTS) {
                 monitorSnippets.lower((MonitorExitNode) n, tool);
             }
         } else if (n instanceof G1PreWriteBarrier) {
@@ -824,7 +823,7 @@
         } else if (n instanceof G1ArrayRangePostWriteBarrier) {
             writeBarrierSnippets.lower((G1ArrayRangePostWriteBarrier) n, tool);
         } else if (n instanceof NewMultiArrayNode) {
-            if (tool.getLoweringType() == LoweringType.AFTER_FSA) {
+            if (graph.getGuardsPhase() == StructuredGraph.GuardsPhase.AFTER_FSA) {
                 newObjectSnippets.lower((NewMultiArrayNode) n);
             }
         } else if (n instanceof LoadExceptionObjectNode) {
@@ -844,8 +843,8 @@
         }
     }
 
-    private static boolean addReadBarrier(UnsafeLoadNode load, LoweringTool tool) {
-        if (useG1GC() && tool.getLoweringType() == LoweringType.AFTER_GUARDS && load.object().kind() == Kind.Object && load.accessKind() == Kind.Object &&
+    private static boolean addReadBarrier(UnsafeLoadNode load) {
+        if (useG1GC() && load.graph().getGuardsPhase() == StructuredGraph.GuardsPhase.FIXED_DEOPTS && load.object().kind() == Kind.Object && load.accessKind() == Kind.Object &&
                         !ObjectStamp.isObjectAlwaysNull(load.object())) {
             ResolvedJavaType type = ObjectStamp.typeOrNull(load.object());
             if (type != null && !type.isArray()) {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CStringNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CStringNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -44,7 +44,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         byte[] formatBytes = string.getBytes();
         long cstring = unsafe.allocateMemory(formatBytes.length + 1);
         for (int i = 0; i < formatBytes.length; i++) {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CallSiteTargetNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CallSiteTargetNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -66,7 +66,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         ConstantNode target = getConstantCallTarget(tool.getRuntime(), tool.assumptions());
 
         if (target != null) {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ReflectionGetCallerClassNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ReflectionGetCallerClassNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -47,7 +47,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         ConstantNode callerClassNode = getCallerClassNode(tool.getRuntime());
 
         if (callerClassNode != null) {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/UnsafeArrayCopyNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/UnsafeArrayCopyNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -92,8 +92,8 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
-        if (loweringType == LoweringType.AFTER_FSA) {
+    public void lower(LoweringTool tool) {
+        if (graph().getGuardsPhase() == StructuredGraph.GuardsPhase.AFTER_FSA) {
             UnsafeArrayCopySnippets.Templates templates = tool.getReplacements().getSnippetTemplateCache(UnsafeArrayCopySnippets.Templates.class);
             templates.lower(this);
         }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizeNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizeNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -59,7 +59,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/FixedGuardNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/FixedGuardNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -106,8 +106,8 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
-        if (loweringType == LoweringType.BEFORE_GUARDS) {
+    public void lower(LoweringTool tool) {
+        if (graph().getGuardsPhase() == StructuredGraph.GuardsPhase.FLOATING_GUARDS) {
             GuardingNode guard = tool.createGuard(condition(), getReason(), getAction(), isNegated());
             ValueAnchorNode newAnchor = graph().add(new ValueAnchorNode(guard.asNode()));
             this.replaceAtUsages(guard.asNode());
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardingPiNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardingPiNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -76,8 +76,8 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
-        if (loweringType == LoweringType.AFTER_GUARDS) {
+    public void lower(LoweringTool tool) {
+        if (graph().getGuardsPhase() == StructuredGraph.GuardsPhase.FIXED_DEOPTS) {
             throw new GraalInternalError("Cannot create guards in after-guard lowering");
         }
         FixedGuardNode guard = graph().add(new FixedGuardNode(condition, reason, action, negated));
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/InvokeNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/InvokeNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -108,7 +108,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/InvokeWithExceptionNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/InvokeWithExceptionNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -128,7 +128,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/StructuredGraph.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/StructuredGraph.java	Tue Sep 10 11:15:15 2013 +0200
@@ -37,6 +37,10 @@
  */
 public class StructuredGraph extends Graph {
 
+    public static enum GuardsPhase {
+        FLOATING_GUARDS, FIXED_DEOPTS, AFTER_FSA
+    }
+
     public static final int INVOCATION_ENTRY_BCI = -1;
     public static final long INVALID_GRAPH_ID = -1;
 
@@ -48,6 +52,7 @@
     private final ResolvedJavaMethod method;
     private final long graphId;
     private final int entryBCI;
+    private GuardsPhase guardsPhase = GuardsPhase.FLOATING_GUARDS;
 
     /**
      * Creates a new Graph containing a single {@link AbstractBeginNode} as the {@link #start()
@@ -386,4 +391,13 @@
             singleEnd.replaceAndDelete(sux);
         }
     }
+
+    public GuardsPhase getGuardsPhase() {
+        return guardsPhase;
+    }
+
+    public void setGuardsPhase(GuardsPhase guardsPhase) {
+        assert guardsPhase.ordinal() >= this.guardsPhase.ordinal();
+        this.guardsPhase = guardsPhase;
+    }
 }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/UnwindNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/UnwindNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -50,7 +50,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/WriteBarrier.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/WriteBarrier.java	Tue Sep 10 11:15:15 2013 +0200
@@ -53,8 +53,8 @@
     }
 
     @Override
-    public void lower(LoweringTool generator, LoweringType loweringType) {
-        assert loweringType == LoweringType.AFTER_FSA;
+    public void lower(LoweringTool generator) {
+        assert graph().getGuardsPhase() == StructuredGraph.GuardsPhase.AFTER_FSA;
         generator.getRuntime().lower(this, generator);
     }
 }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ConvertNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ConvertNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -235,7 +235,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/IntegerDivNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/IntegerDivNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -110,7 +110,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/IntegerRemNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/IntegerRemNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -61,7 +61,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/NormalizeCompareNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/NormalizeCompareNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -48,7 +48,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         LogicNode equalComp;
         LogicNode lessComp;
         if (x().kind() == Kind.Double || x().kind() == Kind.Float) {
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/UnsignedDivNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/UnsignedDivNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -62,7 +62,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/UnsignedRemNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/UnsignedRemNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -61,7 +61,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/debug/DynamicCounterNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/debug/DynamicCounterNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -166,7 +166,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         if (!enabled) {
             throw new GraalInternalError("counter nodes shouldn't exist when not enabled");
         }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BoxNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BoxNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -53,7 +53,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BranchProbabilityNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BranchProbabilityNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -123,7 +123,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         throw new GraalInternalError("Branch probability could not be injected, because the probability value did not reduce to a constant value.");
     }
 }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/LoadHubNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/LoadHubNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -58,8 +58,8 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
-        if (loweringType == LoweringType.AFTER_GUARDS) {
+    public void lower(LoweringTool tool) {
+        if (graph().getGuardsPhase() == StructuredGraph.GuardsPhase.FIXED_DEOPTS) {
             tool.getRuntime().lower(this, tool);
         }
     }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/LoadMethodNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/LoadMethodNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -51,7 +51,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/OSRStartNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/OSRStartNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -29,7 +29,7 @@
 public class OSRStartNode extends StartNode implements Lowerable {
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/StoreHubNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/StoreHubNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -46,7 +46,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnboxNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnboxNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -48,7 +48,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeLoadNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeLoadNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -49,7 +49,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeStoreNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeStoreNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -68,7 +68,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AbstractNewArrayNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AbstractNewArrayNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -88,7 +88,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AccessFieldNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AccessFieldNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -83,7 +83,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AccessIndexedNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AccessIndexedNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -64,7 +64,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ArrayLengthNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ArrayLengthNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -62,7 +62,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastDynamicNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastDynamicNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -59,7 +59,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -96,7 +96,7 @@
      * {@code LoweringPhase.checkUsagesAreScheduled()}.
      */
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         InstanceOfNode typeTest = graph().add(new InstanceOfNode(type, object, profile));
         Stamp stamp = StampFactory.declared(type);
         if (stamp() instanceof ObjectStamp && object().stamp() instanceof ObjectStamp) {
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CompareAndSwapNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CompareAndSwapNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -78,7 +78,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ExceptionObjectNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/ExceptionObjectNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -64,7 +64,7 @@
      * runtime/interpreter would not have a valid location for the exception object to be rethrown.
      */
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         if (isLowered()) {
             return;
         }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/InstanceOfDynamicNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/InstanceOfDynamicNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -50,7 +50,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/InstanceOfNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/InstanceOfNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -51,7 +51,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/LoadExceptionObjectNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/LoadExceptionObjectNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -44,7 +44,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MonitorEnterNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MonitorEnterNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -50,7 +50,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MonitorExitNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MonitorExitNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -51,7 +51,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewInstanceNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewInstanceNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -77,7 +77,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewMultiArrayNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewMultiArrayNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -62,7 +62,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/SelfReplacingMethodCallTargetNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/SelfReplacingMethodCallTargetNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -28,7 +28,7 @@
 import com.oracle.graal.api.meta.ResolvedJavaMethod;
 import com.oracle.graal.graph.GraalInternalError;
 import com.oracle.graal.graph.NodeInputList;
-import com.oracle.graal.nodes.ValueNode;
+import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.spi.LIRGeneratorTool;
 import com.oracle.graal.nodes.spi.Lowerable;
 import com.oracle.graal.nodes.spi.LoweringTool;
@@ -68,7 +68,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         InvokeKind invokeKind = Modifier.isStatic(replacementTargetMethod.getModifiers()) ? InvokeKind.Static : InvokeKind.Special;
         MethodCallTargetNode replacement = graph().add(
                         new MethodCallTargetNode(invokeKind, replacementTargetMethod, replacementArguments.toArray(new ValueNode[replacementArguments.size()]), replacementReturnType));
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/spi/Lowerable.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/spi/Lowerable.java	Tue Sep 10 11:15:15 2013 +0200
@@ -22,11 +22,11 @@
  */
 package com.oracle.graal.nodes.spi;
 
+import com.oracle.graal.nodes.*;
+
 public interface Lowerable {
 
-    public enum LoweringType {
-        BEFORE_GUARDS, AFTER_GUARDS, AFTER_FSA
-    }
+    void lower(LoweringTool tool);
 
-    void lower(LoweringTool tool, LoweringType loweringType);
+    ValueNode asNode();
 }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/spi/LoweringTool.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/spi/LoweringTool.java	Tue Sep 10 11:15:15 2013 +0200
@@ -28,14 +28,11 @@
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.cfg.*;
 import com.oracle.graal.nodes.extended.*;
-import com.oracle.graal.nodes.spi.Lowerable.LoweringType;
 
 public interface LoweringTool {
 
     GraalCodeCacheProvider getRuntime();
 
-    LoweringType getLoweringType();
-
     Replacements getReplacements();
 
     GuardingNode createNullCheckGuard(GuardedNode guardedNode, ValueNode object);
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/CommitAllocationNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/CommitAllocationNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -65,7 +65,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         tool.getRuntime().lower(this, tool);
     }
 
--- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/FrameStateAssignmentPhase.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/FrameStateAssignmentPhase.java	Tue Sep 10 11:15:15 2013 +0200
@@ -27,6 +27,7 @@
 import com.oracle.graal.graph.*;
 import com.oracle.graal.graph.iterators.*;
 import com.oracle.graal.nodes.*;
+import com.oracle.graal.nodes.StructuredGraph.GuardsPhase;
 import com.oracle.graal.nodes.util.*;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.graph.*;
@@ -77,6 +78,8 @@
     protected void run(StructuredGraph graph) {
         assert checkFixedDeopts(graph);
         ReentrantNodeIterator.apply(new FrameStateAssignmentClosure(), graph.start(), null, null);
+
+        graph.setGuardsPhase(GuardsPhase.AFTER_FSA);
     }
 
     private static boolean checkFixedDeopts(StructuredGraph graph) {
--- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/GuardLoweringPhase.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/GuardLoweringPhase.java	Tue Sep 10 11:15:15 2013 +0200
@@ -29,6 +29,7 @@
 
 import com.oracle.graal.graph.*;
 import com.oracle.graal.nodes.*;
+import com.oracle.graal.nodes.StructuredGraph.GuardsPhase;
 import com.oracle.graal.nodes.calc.*;
 import com.oracle.graal.nodes.cfg.*;
 import com.oracle.graal.nodes.extended.*;
@@ -187,6 +188,8 @@
         for (Block block : schedule.getCFG().getBlocks()) {
             processBlock(block, schedule, context.getTarget().implicitNullCheckLimit);
         }
+
+        graph.setGuardsPhase(GuardsPhase.FIXED_DEOPTS);
     }
 
     private static void processBlock(Block block, SchedulePhase schedule, int implicitNullCheckLimit) {
--- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/LoweringPhase.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/LoweringPhase.java	Tue Sep 10 11:15:15 2013 +0200
@@ -35,7 +35,6 @@
 import com.oracle.graal.nodes.cfg.*;
 import com.oracle.graal.nodes.extended.*;
 import com.oracle.graal.nodes.spi.*;
-import com.oracle.graal.nodes.spi.Lowerable.LoweringType;
 import com.oracle.graal.nodes.type.*;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.schedule.*;
@@ -73,11 +72,6 @@
         }
 
         @Override
-        public LoweringType getLoweringType() {
-            return loweringType;
-        }
-
-        @Override
         public GuardingNode createNullCheckGuard(GuardedNode guardedNode, ValueNode object) {
             if (ObjectStamp.isObjectNonNull(object)) {
                 // Short cut creation of null check guard if the object is known to be non-null.
@@ -101,8 +95,8 @@
 
         @Override
         public GuardingNode createGuard(LogicNode condition, DeoptimizationReason deoptReason, DeoptimizationAction action, boolean negated) {
-            if (loweringType != LoweringType.BEFORE_GUARDS) {
-                throw new GraalInternalError("Cannot create guards in after-guard lowering");
+            if (condition.graph().getGuardsPhase().ordinal() > StructuredGraph.GuardsPhase.FLOATING_GUARDS.ordinal()) {
+                throw new GraalInternalError("Cannot create guards after guard lowering");
             }
             if (OptEliminateGuards.getValue()) {
                 for (Node usage : condition.usages()) {
@@ -134,13 +128,6 @@
         }
     }
 
-    private final LoweringType loweringType;
-
-    public LoweringPhase(LoweringType loweringType) {
-        super("Lowering (" + loweringType.name() + ")");
-        this.loweringType = loweringType;
-    }
-
     private static boolean containsLowerable(NodeIterable<Node> nodes) {
         for (Node n : nodes) {
             if (n instanceof Lowerable) {
@@ -239,7 +226,7 @@
 
                 if (node instanceof Lowerable) {
                     assert checkUsagesAreScheduled(node);
-                    ((Lowerable) node).lower(loweringTool, loweringType);
+                    ((Lowerable) node).lower(loweringTool);
                 }
 
                 if (!nextNode.isAlive()) {
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DirectObjectStoreNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DirectObjectStoreNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -64,7 +64,7 @@
     public static native void storeInt(Object obj, @ConstantNodeParameter int displacement, long offset, int value);
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         IndexedLocationNode location = IndexedLocationNode.create(ANY_LOCATION, value.kind(), displacement, offset, graph(), 1);
         WriteNode write = graph().add(new WriteNode(object, value, location, BarrierType.NONE, value.kind() == Kind.Object));
         graph().replaceFixedWithFixed(this, write);
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MacroNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MacroNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -79,7 +79,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         boolean nullCheck = false;
         StructuredGraph replacementGraph = getSnippetGraph(tool);
         if (replacementGraph == null) {
--- a/graal/com.oracle.graal.truffle.test/src/com/oracle/graal/truffle/test/PartialEvaluationTest.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.truffle.test/src/com/oracle/graal/truffle/test/PartialEvaluationTest.java	Tue Sep 10 11:15:15 2013 +0200
@@ -36,7 +36,6 @@
 import com.oracle.graal.loop.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.java.*;
-import com.oracle.graal.nodes.spi.Lowerable.LoweringType;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.PhasePlan.PhasePosition;
 import com.oracle.graal.phases.common.*;
@@ -195,7 +194,7 @@
                 canonicalizerPhase.apply(graph);
                 new DeadCodeEliminationPhase().apply(graph);
 
-                new LoweringPhase(LoweringType.BEFORE_GUARDS).apply(graph, context);
+                new LoweringPhase().apply(graph, context);
                 canonicalizerPhase.apply(graph);
                 new DeadCodeEliminationPhase().apply(graph);
                 return graph;
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/arithmetic/IntegerAddExactNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/arithmetic/IntegerAddExactNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -77,7 +77,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         IntegerExactArithmeticSplitNode.lower(tool, this);
     }
 
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/arithmetic/IntegerExactArithmeticSplitNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/arithmetic/IntegerExactArithmeticSplitNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -29,7 +29,6 @@
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.calc.*;
 import com.oracle.graal.nodes.spi.*;
-import com.oracle.graal.nodes.spi.Lowerable.*;
 import com.oracle.graal.nodes.type.*;
 
 public abstract class IntegerExactArithmeticSplitNode extends ControlSplitNode implements LIRGenLowerable {
@@ -82,7 +81,7 @@
     protected abstract Value generateArithmetic(LIRGeneratorTool generator);
 
     static void lower(LoweringTool tool, IntegerExactArithmeticNode node) {
-        if (tool.getLoweringType() == LoweringType.AFTER_GUARDS) {
+        if (node.asNode().graph().getGuardsPhase() == StructuredGraph.GuardsPhase.FIXED_DEOPTS) {
             FloatingNode floatingNode = (FloatingNode) node;
             FixedWithNextNode previous = tool.lastFixedNode();
             FixedNode next = previous.next();
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/arithmetic/IntegerMulExactNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/arithmetic/IntegerMulExactNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -73,7 +73,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         IntegerExactArithmeticSplitNode.lower(tool, this);
     }
 
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/arithmetic/IntegerSubExactNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/arithmetic/IntegerSubExactNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -77,7 +77,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         IntegerExactArithmeticSplitNode.lower(tool, this);
     }
 
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/asserts/NeverInlineMacroNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/asserts/NeverInlineMacroNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -33,7 +33,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         InvokeNode invoke = createInvoke();
         graph().replaceFixedWithFixed(this, invoke);
         invoke.setUseForInlining(false);
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/frame/FrameGetNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/frame/FrameGetNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -70,7 +70,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         assert !(getFrame() instanceof NewFrameNode);
         StructuredGraph structuredGraph = graph();
 
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/frame/FrameSetNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/frame/FrameSetNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -70,7 +70,7 @@
     }
 
     @Override
-    public void lower(LoweringTool tool, LoweringType loweringType) {
+    public void lower(LoweringTool tool) {
         assert !(getFrame() instanceof NewFrameNode);
         StructuredGraph structuredGraph = graph();
 
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/CustomTypeCheckNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/CustomTypeCheckNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -50,8 +50,8 @@
         return customType;
     }
 
-    public void lower(LoweringTool tool, LoweringType loweringType) {
-        if (loweringType == LoweringType.BEFORE_GUARDS) {
+    public void lower(LoweringTool tool) {
+        if (graph().getGuardsPhase() == StructuredGraph.GuardsPhase.FLOATING_GUARDS) {
             this.replaceAtUsages(graph().unique(new IntegerEqualsNode(condition, ConstantNode.forInt(1, graph()))));
             this.safeDelete();
         }
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/TypeCastNode.java	Tue Sep 10 11:06:05 2013 +0200
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/TypeCastNode.java	Tue Sep 10 11:15:15 2013 +0200
@@ -59,8 +59,8 @@
         return customType;
     }
 
-    public void lower(LoweringTool tool, LoweringType loweringType) {
-        if (loweringType == LoweringType.BEFORE_GUARDS) {
+    public void lower(LoweringTool tool) {
+        if (graph().getGuardsPhase() == StructuredGraph.GuardsPhase.FLOATING_GUARDS) {
             ValueAnchorNode valueAnchorNode = graph().add(new ValueAnchorNode());
             UnsafeCastNode unsafeCast = graph().unique(new UnsafeCastNode(object, this.stamp(), (GuardingNode) valueAnchorNode));
             this.replaceAtUsages(unsafeCast);