# HG changeset patch
# User Christian Humer <christian.humer@gmail.com>
# Date 1363868432 -3600
# Node ID 18e2856d1993b12f5c0a40e8cb55c69ec6918714
# Parent  182753fdaa7f02b199bea5a2eecd5339a5c8f404# Parent  1571adaf302bc29ecde0a9b66c0795690b665be4
Merge.

diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.api.replacements/src/com/oracle/graal/api/replacements/ClassSubstitution.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.api.replacements/src/com/oracle/graal/api/replacements/ClassSubstitution.java	Thu Mar 21 13:20:32 2013 +0100
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.graal.api.replacements;
+
+import java.lang.annotation.*;
+
+/**
+ * Denotes a class that substitutes methods of another specified class. The substitute methods are
+ * exactly those annotated by {@link MethodSubstitution}.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface ClassSubstitution {
+
+    /**
+     * Specifies the original class.
+     * <p>
+     * If the default value is specified for this element, then a non-default value must be given
+     * for the {@link #className()} element.
+     */
+    Class<?> value() default ClassSubstitution.class;
+
+    /**
+     * Specifies the original class.
+     * <p>
+     * This method is provided for cases where the original class is not accessible (according to
+     * Java language access control rules).
+     * <p>
+     * If the default value is specified for this element, then a non-default value must be given
+     * for the {@link #value()} element.
+     */
+    String className() default "";
+
+    /**
+     * Determines if the substitutions are for classes that may not be part of the runtime.
+     * Substitutions for such classes are omitted if the original classes cannot be found.
+     */
+    boolean optional() default false;
+}
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.api.replacements/src/com/oracle/graal/api/replacements/MethodSubstitution.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.api.replacements/src/com/oracle/graal/api/replacements/MethodSubstitution.java	Thu Mar 21 13:20:32 2013 +0100
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.graal.api.replacements;
+
+import java.lang.annotation.*;
+
+import com.oracle.graal.api.meta.*;
+
+/**
+ * Denotes a substitute method. A substitute method can call the original/substituted method by
+ * making a recursive call to itself.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+public @interface MethodSubstitution {
+
+    /**
+     * Gets the name of the original method.
+     * <p>
+     * If the default value is specified for this element, then the name of the original method is
+     * same as the substitute method.
+     */
+    String value() default "";
+
+    /**
+     * Determines if the original method is static.
+     */
+    boolean isStatic() default true;
+
+    /**
+     * Gets the {@linkplain MetaUtil#signatureToMethodDescriptor signature} of the original method.
+     * <p>
+     * If the default value is specified for this element, then the signature of the original method
+     * is the same as the substitute method.
+     */
+    String signature() default "";
+}
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompilationTask.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompilationTask.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompilationTask.java	Thu Mar 21 13:20:32 2013 +0100
@@ -29,10 +29,10 @@
 
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.compiler.*;
 import com.oracle.graal.debug.*;
 import com.oracle.graal.debug.internal.*;
-import com.oracle.graal.graph.*;
 import com.oracle.graal.hotspot.meta.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.phases.*;
@@ -138,7 +138,7 @@
                     @Override
                     public CompilationResult call() throws Exception {
                         graalRuntime.evictDeoptedGraphs();
-                        StructuredGraph graph = (StructuredGraph) method.getCompilerStorage().get(Graph.class);
+                        StructuredGraph graph = (StructuredGraph) method.getCompilerStorage().get(MethodSubstitution.class);
                         if (graph == null || entryBCI != INVOCATION_ENTRY_BCI) {
                             graph = new StructuredGraph(method, entryBCI);
                         } else {
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/AESCryptSubstitutions.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/AESCryptSubstitutions.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/AESCryptSubstitutions.java	Thu Mar 21 13:20:32 2013 +0100
@@ -28,14 +28,13 @@
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.code.RuntimeCallTarget.Descriptor;
 import com.oracle.graal.api.meta.*;
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.compiler.gen.*;
 import com.oracle.graal.compiler.target.*;
 import com.oracle.graal.graph.*;
 import com.oracle.graal.hotspot.nodes.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.type.*;
-import com.oracle.graal.replacements.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
 import com.oracle.graal.word.*;
 
 /**
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ArrayCopyNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ArrayCopyNode.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ArrayCopyNode.java	Thu Mar 21 13:20:32 2013 +0100
@@ -32,6 +32,7 @@
 import com.oracle.graal.nodes.virtual.*;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.common.*;
+import com.oracle.graal.replacements.*;
 import com.oracle.graal.replacements.nodes.*;
 
 public class ArrayCopyNode extends MacroNode implements Virtualizable, IterableNodeType, Lowerable {
@@ -72,7 +73,7 @@
         }
         Kind componentKind = srcType.getComponentType().getKind();
         ResolvedJavaMethod snippetMethod = tool.getRuntime().lookupJavaMethod(ArrayCopySnippets.getSnippetForKind(componentKind));
-        return (StructuredGraph) snippetMethod.getCompilerStorage().get(Graph.class);
+        return (StructuredGraph) snippetMethod.getCompilerStorage().get(Snippet.class);
     }
 
     private static void unrollFixedLengthLoop(StructuredGraph snippetGraph, int length, LoweringTool tool) {
@@ -111,7 +112,7 @@
         StructuredGraph snippetGraph = selectSnippet(tool);
         if (snippetGraph == null) {
             ResolvedJavaMethod snippetMethod = tool.getRuntime().lookupJavaMethod(ArrayCopySnippets.genericArraycopySnippet);
-            snippetGraph = ((StructuredGraph) snippetMethod.getCompilerStorage().get(Graph.class)).copy();
+            snippetGraph = ((StructuredGraph) snippetMethod.getCompilerStorage().get(Snippet.class)).copy();
             assert snippetGraph != null : "ArrayCopySnippets should be installed";
 
             replaceSnippetInvokes(snippetGraph, getTargetMethod(), getBci());
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CipherBlockChainingSubstitutions.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CipherBlockChainingSubstitutions.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CipherBlockChainingSubstitutions.java	Thu Mar 21 13:20:32 2013 +0100
@@ -28,15 +28,14 @@
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.code.RuntimeCallTarget.Descriptor;
 import com.oracle.graal.api.meta.*;
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.compiler.gen.*;
 import com.oracle.graal.compiler.target.*;
 import com.oracle.graal.graph.*;
 import com.oracle.graal.hotspot.nodes.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.type.*;
-import com.oracle.graal.replacements.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
-import com.oracle.graal.replacements.Snippet.*;
+import com.oracle.graal.replacements.Snippet.Fold;
 import com.oracle.graal.word.*;
 
 /**
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ClassSubstitutions.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ClassSubstitutions.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ClassSubstitutions.java	Thu Mar 21 13:20:32 2013 +0100
@@ -27,9 +27,8 @@
 
 import java.lang.reflect.*;
 
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.nodes.calc.*;
-import com.oracle.graal.replacements.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
 import com.oracle.graal.word.*;
 
 /**
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/MonitorSnippets.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/MonitorSnippets.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/MonitorSnippets.java	Thu Mar 21 13:20:32 2013 +0100
@@ -520,7 +520,7 @@
                     InvokeNode invoke = graph.add(new InvokeNode(callTarget, 0));
                     invoke.setStateAfter(graph.start().stateAfter());
                     graph.addAfterFixed(graph.start(), invoke);
-                    StructuredGraph inlineeGraph = (StructuredGraph) initCounter.getCompilerStorage().get(Graph.class);
+                    StructuredGraph inlineeGraph = (StructuredGraph) initCounter.getCompilerStorage().get(Snippet.class);
                     InliningUtil.inline(invoke, inlineeGraph, false);
 
                     List<ReturnNode> rets = graph.getNodes().filter(ReturnNode.class).snapshot();
@@ -534,7 +534,7 @@
                         FrameState stateAfter = new FrameState(graph.method(), FrameState.AFTER_BCI, new ValueNode[0], stack, new ValueNode[0], false, false);
                         invoke.setStateAfter(graph.add(stateAfter));
                         graph.addBeforeFixed(ret, invoke);
-                        inlineeGraph = (StructuredGraph) checkCounter.getCompilerStorage().get(Graph.class);
+                        inlineeGraph = (StructuredGraph) checkCounter.getCompilerStorage().get(Snippet.class);
                         InliningUtil.inline(invoke, inlineeGraph, false);
                     }
                 }
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectCloneNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectCloneNode.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectCloneNode.java	Thu Mar 21 13:20:32 2013 +0100
@@ -26,13 +26,13 @@
 
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
-import com.oracle.graal.graph.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.java.*;
 import com.oracle.graal.nodes.spi.*;
 import com.oracle.graal.nodes.type.*;
 import com.oracle.graal.nodes.virtual.*;
 import com.oracle.graal.phases.*;
+import com.oracle.graal.replacements.*;
 import com.oracle.graal.replacements.nodes.*;
 
 public class ObjectCloneNode extends MacroNode implements VirtualizableAllocation, ArrayLengthProvider {
@@ -70,7 +70,7 @@
             method = ObjectCloneSnippets.instanceCloneMethod;
         }
         ResolvedJavaMethod snippetMethod = tool.getRuntime().lookupJavaMethod(method);
-        StructuredGraph snippetGraph = (StructuredGraph) snippetMethod.getCompilerStorage().get(Graph.class);
+        StructuredGraph snippetGraph = (StructuredGraph) snippetMethod.getCompilerStorage().get(Snippet.class);
 
         assert snippetGraph != null : "ObjectCloneSnippets should be installed";
         return snippetGraph;
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectSubstitutions.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectSubstitutions.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectSubstitutions.java	Thu Mar 21 13:20:32 2013 +0100
@@ -25,9 +25,9 @@
 import static com.oracle.graal.hotspot.replacements.HotSpotSnippetUtils.*;
 import static com.oracle.graal.nodes.extended.UnsafeCastNode.*;
 
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.nodes.extended.*;
 import com.oracle.graal.replacements.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
 import com.oracle.graal.word.*;
 
 /**
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/SystemSubstitutions.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/SystemSubstitutions.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/SystemSubstitutions.java	Thu Mar 21 13:20:32 2013 +0100
@@ -26,11 +26,11 @@
 import static com.oracle.graal.replacements.nodes.BranchProbabilityNode.*;
 
 import com.oracle.graal.api.code.RuntimeCallTarget.Descriptor;
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.graph.Node.ConstantNodeParameter;
 import com.oracle.graal.graph.Node.NodeIntrinsic;
 import com.oracle.graal.nodes.extended.*;
 import com.oracle.graal.replacements.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
 
 /**
  * Substitutions for {@link java.lang.System} methods.
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ThreadSubstitutions.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ThreadSubstitutions.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ThreadSubstitutions.java	Thu Mar 21 13:20:32 2013 +0100
@@ -24,9 +24,8 @@
 
 import static com.oracle.graal.hotspot.replacements.HotSpotSnippetUtils.*;
 
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.hotspot.nodes.*;
-import com.oracle.graal.replacements.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
 import com.oracle.graal.word.*;
 
 /**
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/Stub.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/Stub.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/Stub.java	Thu Mar 21 13:20:32 2013 +0100
@@ -33,7 +33,6 @@
 import com.oracle.graal.compiler.*;
 import com.oracle.graal.compiler.target.*;
 import com.oracle.graal.debug.*;
-import com.oracle.graal.graph.*;
 import com.oracle.graal.hotspot.*;
 import com.oracle.graal.hotspot.meta.*;
 import com.oracle.graal.java.*;
@@ -41,8 +40,9 @@
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.PhasePlan.PhasePosition;
 import com.oracle.graal.replacements.*;
-import com.oracle.graal.replacements.Snippet.*;
-import com.oracle.graal.replacements.SnippetTemplate.*;
+import com.oracle.graal.replacements.Snippet.ConstantParameter;
+import com.oracle.graal.replacements.SnippetTemplate.AbstractTemplates;
+import com.oracle.graal.replacements.SnippetTemplate.Key;
 
 /**
  * Base class for implementing some low level code providing the out-of-line slow path for a
@@ -107,7 +107,7 @@
      * it.
      */
     public void install(Backend backend) {
-        StructuredGraph graph = (StructuredGraph) stubMethod.getCompilerStorage().get(Graph.class);
+        StructuredGraph graph = (StructuredGraph) stubMethod.getCompilerStorage().get(Snippet.class);
 
         Key key = new Key(stubMethod);
         populateKey(key);
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/InliningUtil.java
--- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/InliningUtil.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/InliningUtil.java	Thu Mar 21 13:20:32 2013 +0100
@@ -31,6 +31,7 @@
 import com.oracle.graal.api.meta.*;
 import com.oracle.graal.api.meta.JavaTypeProfile.ProfiledType;
 import com.oracle.graal.api.meta.ResolvedJavaType.Representation;
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.debug.*;
 import com.oracle.graal.graph.*;
 import com.oracle.graal.nodes.*;
@@ -1181,7 +1182,7 @@
     }
 
     public static StructuredGraph getIntrinsicGraph(ResolvedJavaMethod target) {
-        return (StructuredGraph) target.getCompilerStorage().get(Graph.class);
+        return (StructuredGraph) target.getCompilerStorage().get(MethodSubstitution.class);
     }
 
     public static Class<? extends FixedWithNextNode> getMacroNodeClass(ResolvedJavaMethod target) {
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.replacements.test/src/com/oracle/graal/replacements/MethodSubstitutionTest.java
--- a/graal/com.oracle.graal.replacements.test/src/com/oracle/graal/replacements/MethodSubstitutionTest.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.replacements.test/src/com/oracle/graal/replacements/MethodSubstitutionTest.java	Thu Mar 21 13:20:32 2013 +0100
@@ -31,6 +31,7 @@
 import sun.misc.*;
 
 import com.oracle.graal.api.code.*;
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.compiler.test.*;
 import com.oracle.graal.debug.*;
 import com.oracle.graal.graph.*;
@@ -38,7 +39,6 @@
 import com.oracle.graal.nodes.calc.*;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.common.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
 import com.oracle.graal.replacements.nodes.*;
 
 /**
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/ClassSubstitution.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/ClassSubstitution.java	Thu Mar 21 13:13:07 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,136 +0,0 @@
-/*
- * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package com.oracle.graal.replacements;
-
-import java.lang.annotation.*;
-
-import com.oracle.graal.api.meta.*;
-import com.oracle.graal.nodes.*;
-import com.oracle.graal.replacements.nodes.*;
-
-/**
- * Denotes a class that substitutes methods of another specified class. The substitute methods are
- * exactly those annotated by {@link MethodSubstitution}.
- */
-@Retention(RetentionPolicy.RUNTIME)
-@Target(ElementType.TYPE)
-public @interface ClassSubstitution {
-
-    /**
-     * Specifies the original class.
-     * <p>
-     * If the default value is specified for this element, then a non-default value must be given
-     * for the {@link #className()} element.
-     */
-    Class<?> value() default ClassSubstitution.class;
-
-    /**
-     * Specifies the original class.
-     * <p>
-     * This method is provided for cases where the original class is not accessible (according to
-     * Java language access control rules).
-     * <p>
-     * If the default value is specified for this element, then a non-default value must be given
-     * for the {@link #value()} element.
-     */
-    String className() default "";
-
-    /**
-     * Determines if the substitutions are for classes that may not be part of the runtime.
-     * Substitutions for such classes are omitted if the original classes cannot be found.
-     */
-    boolean optional() default false;
-
-    /**
-     * Denotes a substitute method. A substitute method can call the original/substituted method by
-     * making a recursive call to itself.
-     */
-    @Retention(RetentionPolicy.RUNTIME)
-    @Target(ElementType.METHOD)
-    public @interface MethodSubstitution {
-
-        /**
-         * Gets the name of the original method.
-         * <p>
-         * If the default value is specified for this element, then the name of the original method
-         * is same as the substitute method.
-         */
-        String value() default "";
-
-        /**
-         * Determines if the original method is static.
-         */
-        boolean isStatic() default true;
-
-        /**
-         * Gets the {@linkplain MetaUtil#signatureToMethodDescriptor signature} of the original
-         * method.
-         * <p>
-         * If the default value is specified for this element, then the signature of the original
-         * method is the same as the substitute method.
-         */
-        String signature() default "";
-    }
-
-    /**
-     * Denotes a macro substitute method. This replaces a method invocation with an instance of the
-     * specified node class.
-     * 
-     * A macro substitution can be combined with a normal substitution, so that the macro node can
-     * be replaced with the actual substitution code during lowering.
-     */
-    @Retention(RetentionPolicy.RUNTIME)
-    @Target(ElementType.METHOD)
-    public @interface MacroSubstitution {
-
-        /**
-         * Gets the name of the substituted method.
-         * <p>
-         * If the default value is specified for this element, then the name of the substituted
-         * method is same as the substitute method.
-         */
-        String value() default "";
-
-        /**
-         * Determines if the substituted method is static.
-         */
-        boolean isStatic() default true;
-
-        /**
-         * Gets the {@linkplain MetaUtil#signatureToMethodDescriptor signature} of the substituted
-         * method.
-         * <p>
-         * If the default value is specified for this element, then the signature of the substituted
-         * method is the same as the substitute method.
-         */
-        String signature() default "";
-
-        /**
-         * The node class with which the method invocation should be replaced. It needs to be a
-         * subclass of {@link FixedWithNextNode}, and it is expected to provide a public constructor
-         * that takes an InvokeNode as a parameter. For most cases this class should subclass
-         * {@link MacroNode} and use its constructor.
-         */
-        Class<? extends FixedWithNextNode> macro();
-    }
-}
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/DoubleSubstitutions.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/DoubleSubstitutions.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/DoubleSubstitutions.java	Thu Mar 21 13:20:32 2013 +0100
@@ -22,8 +22,8 @@
  */
 package com.oracle.graal.replacements;
 
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.nodes.calc.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
 
 /**
  * Substitutions for {@link java.lang.Double} methods.
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/FloatSubstitutions.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/FloatSubstitutions.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/FloatSubstitutions.java	Thu Mar 21 13:20:32 2013 +0100
@@ -22,8 +22,8 @@
  */
 package com.oracle.graal.replacements;
 
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.nodes.calc.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
 
 /**
  * Substitutions for {@link java.lang.Float} methods.
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/IntegerSubstitutions.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/IntegerSubstitutions.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/IntegerSubstitutions.java	Thu Mar 21 13:20:32 2013 +0100
@@ -22,7 +22,7 @@
  */
 package com.oracle.graal.replacements;
 
-import com.oracle.graal.replacements.ClassSubstitution.*;
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.replacements.nodes.*;
 
 @ClassSubstitution(Integer.class)
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/LongSubstitutions.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/LongSubstitutions.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/LongSubstitutions.java	Thu Mar 21 13:20:32 2013 +0100
@@ -22,7 +22,7 @@
  */
 package com.oracle.graal.replacements;
 
-import com.oracle.graal.replacements.ClassSubstitution.*;
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.replacements.nodes.*;
 
 @ClassSubstitution(Long.class)
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/MacroSubstitution.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/MacroSubstitution.java	Thu Mar 21 13:20:32 2013 +0100
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.graal.replacements;
+
+import java.lang.annotation.*;
+
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.nodes.*;
+import com.oracle.graal.replacements.nodes.*;
+
+/**
+ * Denotes a macro substitute method. This replaces a method invocation with an instance of the
+ * specified node class.
+ * 
+ * A macro substitution can be combined with a normal substitution, so that the macro node can be
+ * replaced with the actual substitution code during lowering.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+public @interface MacroSubstitution {
+
+    /**
+     * Gets the name of the substituted method.
+     * <p>
+     * If the default value is specified for this element, then the name of the substituted method
+     * is same as the substitute method.
+     */
+    String value() default "";
+
+    /**
+     * Determines if the substituted method is static.
+     */
+    boolean isStatic() default true;
+
+    /**
+     * Gets the {@linkplain MetaUtil#signatureToMethodDescriptor signature} of the substituted
+     * method.
+     * <p>
+     * If the default value is specified for this element, then the signature of the substituted
+     * method is the same as the substitute method.
+     */
+    String signature() default "";
+
+    /**
+     * The node class with which the method invocation should be replaced. It needs to be a subclass
+     * of {@link FixedWithNextNode}, and it is expected to provide a public constructor that takes
+     * an InvokeNode as a parameter. For most cases this class should subclass {@link MacroNode} and
+     * use its constructor.
+     */
+    Class<? extends FixedWithNextNode> macro();
+}
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/MathSubstitutionsX86.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/MathSubstitutionsX86.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/MathSubstitutionsX86.java	Thu Mar 21 13:20:32 2013 +0100
@@ -23,10 +23,10 @@
 package com.oracle.graal.replacements;
 
 import com.oracle.graal.api.code.RuntimeCallTarget.Descriptor;
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.graph.Node.ConstantNodeParameter;
 import com.oracle.graal.graph.Node.NodeIntrinsic;
 import com.oracle.graal.nodes.extended.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
 import com.oracle.graal.replacements.nodes.*;
 import com.oracle.graal.replacements.nodes.MathIntrinsicNode.*;
 
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/NodeClassSubstitutions.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/NodeClassSubstitutions.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/NodeClassSubstitutions.java	Thu Mar 21 13:20:32 2013 +0100
@@ -23,9 +23,9 @@
 package com.oracle.graal.replacements;
 
 import com.oracle.graal.api.meta.*;
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.graph.*;
 import com.oracle.graal.nodes.extended.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
 
 /**
  * Substitutions for improving the performance of some critical methods in {@link NodeClass}
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/ReplacementsInstaller.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/ReplacementsInstaller.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/ReplacementsInstaller.java	Thu Mar 21 13:20:32 2013 +0100
@@ -32,6 +32,7 @@
 
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.debug.*;
 import com.oracle.graal.graph.*;
 import com.oracle.graal.java.*;
@@ -41,8 +42,8 @@
 import com.oracle.graal.nodes.java.MethodCallTargetNode.InvokeKind;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.common.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
-import com.oracle.graal.replacements.Snippet.*;
+import com.oracle.graal.replacements.Snippet.DefaultSnippetInliningPolicy;
+import com.oracle.graal.replacements.Snippet.SnippetInliningPolicy;
 import com.oracle.graal.word.phases.*;
 
 /**
@@ -87,10 +88,10 @@
                     throw new RuntimeException("Snippet must not be abstract or native");
                 }
                 ResolvedJavaMethod snippet = runtime.lookupJavaMethod(method);
-                assert snippet.getCompilerStorage().get(Graph.class) == null : method;
+                assert snippet.getCompilerStorage().get(Snippet.class) == null : method;
                 StructuredGraph graph = makeGraph(snippet, inliningPolicy(snippet));
                 // System.out.println("snippet: " + graph);
-                snippet.getCompilerStorage().put(Graph.class, graph);
+                snippet.getCompilerStorage().put(Snippet.class, graph);
             }
         }
     }
@@ -163,7 +164,7 @@
         try {
             Debug.log("substitution: " + MetaUtil.format("%H.%n(%p)", original) + " --> " + MetaUtil.format("%H.%n(%p)", substitute));
             StructuredGraph graph = makeGraph(substitute, inliningPolicy(substitute));
-            Object oldValue = original.getCompilerStorage().put(Graph.class, graph);
+            Object oldValue = original.getCompilerStorage().put(MethodSubstitution.class, graph);
             assert oldValue == null;
         } finally {
             substitute = null;
@@ -212,10 +213,13 @@
         new NodeIntrinsificationPhase(runtime, pool).apply(graph);
         assert SnippetTemplate.hasConstantParameter(method) || NodeIntrinsificationVerificationPhase.verify(graph);
 
-        new SnippetFrameStateCleanupPhase().apply(graph);
-        new DeadCodeEliminationPhase().apply(graph);
-
-        new InsertStateAfterPlaceholderPhase().apply(graph);
+        if (substitute == null) {
+            new SnippetFrameStateCleanupPhase().apply(graph);
+            new DeadCodeEliminationPhase().apply(graph);
+            new InsertStateAfterPlaceholderPhase().apply(graph);
+        } else {
+            new DeadCodeEliminationPhase().apply(graph);
+        }
     }
 
     public StructuredGraph makeGraph(final ResolvedJavaMethod method, final SnippetInliningPolicy policy) {
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/SnippetTemplate.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/SnippetTemplate.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/SnippetTemplate.java	Thu Mar 21 13:20:32 2013 +0100
@@ -236,7 +236,7 @@
         Signature signature = method.getSignature();
 
         // Copy snippet graph, replacing constant parameters with given arguments
-        StructuredGraph snippetGraph = (StructuredGraph) method.getCompilerStorage().get(Graph.class);
+        StructuredGraph snippetGraph = (StructuredGraph) method.getCompilerStorage().get(Snippet.class);
         StructuredGraph snippetCopy = new StructuredGraph(snippetGraph.name, snippetGraph.method());
         IdentityHashMap<Node, Node> replacements = new IdentityHashMap<>();
         replacements.put(snippetGraph.start(), snippetCopy.start());
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/UnsafeSubstitutions.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/UnsafeSubstitutions.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/UnsafeSubstitutions.java	Thu Mar 21 13:20:32 2013 +0100
@@ -24,9 +24,9 @@
 
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.nodes.extended.*;
 import com.oracle.graal.nodes.java.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
 import com.oracle.graal.replacements.nodes.*;
 
 /**
diff -r 182753fdaa7f -r 18e2856d1993 graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/UnsignedMathSubstitutions.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/UnsignedMathSubstitutions.java	Thu Mar 21 13:13:07 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/UnsignedMathSubstitutions.java	Thu Mar 21 13:20:32 2013 +0100
@@ -27,8 +27,8 @@
 
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
+import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.nodes.calc.*;
-import com.oracle.graal.replacements.ClassSubstitution.*;
 
 /**
  * Substitutions for {@link UnsignedMath}.
diff -r 182753fdaa7f -r 18e2856d1993 make/build-graal.xml
--- a/make/build-graal.xml	Thu Mar 21 13:13:07 2013 +0100
+++ b/make/build-graal.xml	Thu Mar 21 13:20:32 2013 +0100
@@ -38,6 +38,7 @@
       <src path="${src.dir}/com.oracle.graal.debug"/>
       <src path="${src.dir}/com.oracle.graal.nodes"/>
       <src path="${src.dir}/com.oracle.graal.phases"/>
+      <src path="${src.dir}/com.oracle.graal.api.replacements"/>
       <src path="${src.dir}/com.oracle.graal.phases.common"/>
       <src path="${src.dir}/com.oracle.graal.virtual"/>
       <src path="${src.dir}/com.oracle.graal.loop"/>
diff -r 182753fdaa7f -r 18e2856d1993 mx/projects
--- a/mx/projects	Thu Mar 21 13:13:07 2013 +0100
+++ b/mx/projects	Thu Mar 21 13:20:32 2013 +0100
@@ -58,6 +58,13 @@
 project@com.oracle.graal.api.code@checkstyle=com.oracle.graal.graph
 project@com.oracle.graal.api.code@javaCompliance=1.7
 
+# graal.api.replacements
+project@com.oracle.graal.api.replacements@subDir=graal
+project@com.oracle.graal.api.replacements@sourceDirs=src
+project@com.oracle.graal.api.replacements@dependencies=com.oracle.graal.api.meta
+project@com.oracle.graal.api.replacements@checkstyle=com.oracle.graal.graph
+project@com.oracle.graal.api.replacements@javaCompliance=1.7
+
 # graal.amd64
 project@com.oracle.graal.amd64@subDir=graal
 project@com.oracle.graal.amd64@sourceDirs=src
@@ -220,7 +227,7 @@
 # graal.phases.common
 project@com.oracle.graal.phases.common@subDir=graal
 project@com.oracle.graal.phases.common@sourceDirs=src
-project@com.oracle.graal.phases.common@dependencies=com.oracle.graal.phases
+project@com.oracle.graal.phases.common@dependencies=com.oracle.graal.phases,com.oracle.graal.api.replacements
 project@com.oracle.graal.phases.common@checkstyle=com.oracle.graal.graph
 project@com.oracle.graal.phases.common@javaCompliance=1.7