# HG changeset patch
# User Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
# Date 1451657778 -3600
# Node ID 9c2976c7d96af9521be36dec0873f2aa9a5b6e3a
# Parent  2e3a5ffe5654722eb61a44931dfad08147ac9a5b
Reduce usage of #filterInterface; introduce utility StructuredGraph#clearAllStateAfter.

diff -r 2e3a5ffe5654 -r 9c2976c7d96a graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/LoopUnswitchTest.java
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/LoopUnswitchTest.java	Fri Jan 01 14:52:37 2016 +0100
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/LoopUnswitchTest.java	Fri Jan 01 15:16:18 2016 +0100
@@ -27,10 +27,8 @@
 import com.oracle.graal.debug.Debug;
 import com.oracle.graal.debug.Debug.Scope;
 import com.oracle.graal.debug.DebugDumpScope;
-import com.oracle.graal.graph.Node;
 import com.oracle.graal.loop.DefaultLoopPolicies;
 import com.oracle.graal.loop.phases.LoopUnswitchingPhase;
-import com.oracle.graal.nodes.StateSplit;
 import com.oracle.graal.nodes.StructuredGraph;
 import com.oracle.graal.nodes.StructuredGraph.AllowAssumptions;
 import com.oracle.graal.phases.common.CanonicalizerPhase;
@@ -132,12 +130,8 @@
         new LoopUnswitchingPhase(new DefaultLoopPolicies()).apply(graph);
 
         // Framestates create comparison problems
-        for (Node stateSplit : graph.getNodes().filterInterface(StateSplit.class)) {
-            ((StateSplit) stateSplit).setStateAfter(null);
-        }
-        for (Node stateSplit : referenceGraph.getNodes().filterInterface(StateSplit.class)) {
-            ((StateSplit) stateSplit).setStateAfter(null);
-        }
+        graph.clearAllStateAfter();
+        referenceGraph.clearAllStateAfter();
 
         new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
         new CanonicalizerPhase().apply(referenceGraph, new PhaseContext(getProviders()));
diff -r 2e3a5ffe5654 -r 9c2976c7d96a graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/MemoryScheduleTest.java
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/MemoryScheduleTest.java	Fri Jan 01 14:52:37 2016 +0100
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/MemoryScheduleTest.java	Fri Jan 01 15:16:18 2016 +0100
@@ -39,17 +39,14 @@
 import com.oracle.graal.debug.Debug.Scope;
 import com.oracle.graal.graph.Node;
 import com.oracle.graal.graph.iterators.NodeIterable;
-import com.oracle.graal.nodes.FrameState;
 import com.oracle.graal.nodes.ReturnNode;
 import com.oracle.graal.nodes.StartNode;
-import com.oracle.graal.nodes.StateSplit;
 import com.oracle.graal.nodes.StructuredGraph;
 import com.oracle.graal.nodes.StructuredGraph.AllowAssumptions;
 import com.oracle.graal.nodes.cfg.Block;
 import com.oracle.graal.nodes.memory.FloatingReadNode;
 import com.oracle.graal.nodes.memory.WriteNode;
 import com.oracle.graal.nodes.spi.LoweringTool;
-import com.oracle.graal.nodes.util.GraphUtil;
 import com.oracle.graal.options.OptionValue;
 import com.oracle.graal.options.OptionValue.OverrideScope;
 import com.oracle.graal.phases.OptimisticOptimizations;
@@ -736,15 +733,7 @@
                 }
                 new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.HIGH_TIER).apply(graph, context);
                 if (mode == TestMode.WITHOUT_FRAMESTATES || mode == TestMode.INLINED_WITHOUT_FRAMESTATES) {
-                    for (Node node : graph.getNodes()) {
-                        if (node instanceof StateSplit) {
-                            FrameState stateAfter = ((StateSplit) node).stateAfter();
-                            if (stateAfter != null) {
-                                ((StateSplit) node).setStateAfter(null);
-                                GraphUtil.killWithUnusedFloatingInputs(stateAfter);
-                            }
-                        }
-                    }
+                    graph.clearAllStateAfter();
                 }
                 Debug.dump(graph, "after removal of framestates");
 
diff -r 2e3a5ffe5654 -r 9c2976c7d96a graal/com.oracle.graal.graph/src/com/oracle/graal/graph/iterators/NodePredicates.java
--- a/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/iterators/NodePredicates.java	Fri Jan 01 14:52:37 2016 +0100
+++ b/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/iterators/NodePredicates.java	Fri Jan 01 15:16:18 2016 +0100
@@ -51,10 +51,6 @@
         return new EqualsPredicate(n);
     }
 
-    public static NodePredicate not(NodePredicate a) {
-        return a.negate();
-    }
-
     public static NegativeTypePredicate isNotA(Class<? extends Node> clazz) {
         return new NegativeTypePredicate(clazz);
     }
diff -r 2e3a5ffe5654 -r 9c2976c7d96a graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/IfNodeCanonicalizationTest.java
--- a/graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/IfNodeCanonicalizationTest.java	Fri Jan 01 14:52:37 2016 +0100
+++ b/graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/IfNodeCanonicalizationTest.java	Fri Jan 01 15:16:18 2016 +0100
@@ -29,7 +29,6 @@
 import com.oracle.graal.api.directives.GraalDirectives;
 import com.oracle.graal.compiler.test.GraalCompilerTest;
 import com.oracle.graal.graph.Node;
-import com.oracle.graal.nodes.AbstractMergeNode;
 import com.oracle.graal.nodes.IfNode;
 import com.oracle.graal.nodes.LogicNode;
 import com.oracle.graal.nodes.StructuredGraph;
@@ -157,9 +156,7 @@
 
         PhaseContext context = new PhaseContext(getProviders());
         CanonicalizerPhase canonicalizer = new CanonicalizerPhase();
-        for (AbstractMergeNode merge : graph.getNodes(AbstractMergeNode.TYPE)) {
-            merge.setStateAfter(null);
-        }
+        graph.clearAllStateAfter();
         canonicalizer.apply(graph, context);
 
         new ConvertDeoptimizeToGuardPhase().apply(graph, context);
diff -r 2e3a5ffe5654 -r 9c2976c7d96a graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/StructuredGraph.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/StructuredGraph.java	Fri Jan 01 14:52:37 2016 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/StructuredGraph.java	Fri Jan 01 15:16:18 2016 +0100
@@ -597,4 +597,16 @@
     public SpeculationLog getSpeculationLog() {
         return speculationLog;
     }
+
+    public final void clearAllStateAfter() {
+        for (Node node : getNodes()) {
+            if (node instanceof StateSplit) {
+                FrameState stateAfter = ((StateSplit) node).stateAfter();
+                if (stateAfter != null) {
+                    ((StateSplit) node).setStateAfter(null);
+                    GraphUtil.killWithUnusedFloatingInputs(stateAfter);
+                }
+            }
+        }
+    }
 }
diff -r 2e3a5ffe5654 -r 9c2976c7d96a graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/GraphKit.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/GraphKit.java	Fri Jan 01 14:52:37 2016 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/GraphKit.java	Fri Jan 01 15:16:18 2016 +0100
@@ -38,7 +38,6 @@
 import jdk.vm.ci.meta.Signature;
 
 import com.oracle.graal.graph.Graph;
-import com.oracle.graal.graph.Node;
 import com.oracle.graal.java.FrameStateBuilder;
 import com.oracle.graal.java.GraphBuilderPhase;
 import com.oracle.graal.nodes.AbstractBeginNode;
@@ -52,7 +51,6 @@
 import com.oracle.graal.nodes.InvokeNode;
 import com.oracle.graal.nodes.LogicNode;
 import com.oracle.graal.nodes.MergeNode;
-import com.oracle.graal.nodes.StateSplit;
 import com.oracle.graal.nodes.StructuredGraph;
 import com.oracle.graal.nodes.StructuredGraph.AllowAssumptions;
 import com.oracle.graal.nodes.ValueNode;
@@ -264,11 +262,7 @@
         new GraphBuilderPhase.Instance(metaAccess, providers.getStampProvider(), providers.getConstantReflection(), config, OptimisticOptimizations.NONE, initialReplacementContext).apply(calleeGraph);
 
         // Remove all frame states from inlinee
-        for (Node node : calleeGraph.getNodes()) {
-            if (node instanceof StateSplit) {
-                ((StateSplit) node).setStateAfter(null);
-            }
-        }
+        calleeGraph.clearAllStateAfter();
         new DeadCodeEliminationPhase(Optionality.Required).apply(calleeGraph);
 
         InliningUtil.inline(invoke, calleeGraph, false, null);