Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/StandardGraphBuilderPlugins.java @ 22254:efeabef8df70
Improve DynamicNewArrayNode code generation
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
---|---|
date | Mon, 20 Jul 2015 11:18:19 -0700 |
parents | 3f83cc877a0e |
children | e8dc090e167f |
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/* * Copyright (c) 2015, 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 static jdk.internal.jvmci.code.MemoryBarriers.*; import java.lang.reflect.*; import java.util.*; import jdk.internal.jvmci.code.*; import jdk.internal.jvmci.common.*; import jdk.internal.jvmci.meta.*; import jdk.internal.jvmci.options.*; import sun.misc.*; import com.oracle.graal.api.directives.*; import com.oracle.graal.compiler.common.calc.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.graphbuilderconf.*; import com.oracle.graal.graphbuilderconf.InvocationPlugin.Receiver; import com.oracle.graal.graphbuilderconf.InvocationPlugins.Registration; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.calc.*; import com.oracle.graal.nodes.debug.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.java.*; import com.oracle.graal.nodes.util.*; import com.oracle.graal.replacements.nodes.*; import com.oracle.graal.replacements.nodes.arithmetic.*; /** * Provides non-runtime specific {@link InvocationPlugin}s. */ public class StandardGraphBuilderPlugins { // @formatter:off static class Options { @Option(help = "Enable use of intrinsics for the JMH Blackhole class") public static final OptionValue<Boolean> UseBlackholeSubstitution = new OptionValue<>(true); } // @formatter:on public static void registerInvocationPlugins(MetaAccessProvider metaAccess, InvocationPlugins plugins, boolean useBoxingPlugins) { registerObjectPlugins(plugins); registerClassPlugins(plugins); registerMathPlugins(plugins); registerUnsignedMathPlugins(plugins); registerCharacterPlugins(plugins); registerShortPlugins(plugins); registerIntegerLongPlugins(plugins, Kind.Int); registerIntegerLongPlugins(plugins, Kind.Long); registerFloatPlugins(plugins); registerDoublePlugins(plugins); registerStringPlugins(plugins); registerArraysPlugins(plugins); registerArrayPlugins(plugins); registerUnsafePlugins(plugins); registerEdgesPlugins(metaAccess, plugins); registerGraalDirectivesPlugins(plugins); if (useBoxingPlugins) { registerBoxingPlugins(plugins); } if (Options.UseBlackholeSubstitution.getValue()) { registerJMHBlackholePlugins(plugins); } registerJFRThrowablePlugins(plugins); } private static final Field STRING_VALUE_FIELD; static { try { STRING_VALUE_FIELD = String.class.getDeclaredField("value"); } catch (NoSuchFieldException e) { throw new JVMCIError(e); } } private static void registerStringPlugins(InvocationPlugins plugins) { Registration r = new Registration(plugins, String.class); r.registerMethodSubstitution(StringSubstitutions.class, "equals", Receiver.class, Object.class); r = new Registration(plugins, StringSubstitutions.class); r.register1("getValue", String.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { ResolvedJavaField field = b.getMetaAccess().lookupJavaField(STRING_VALUE_FIELD); b.addPush(Kind.Object, new LoadFieldNode(value, field)); return true; } }); } private static void registerArraysPlugins(InvocationPlugins plugins) { Registration r = new Registration(plugins, Arrays.class); r.registerMethodSubstitution(ArraysSubstitutions.class, "equals", boolean[].class, boolean[].class); r.registerMethodSubstitution(ArraysSubstitutions.class, "equals", byte[].class, byte[].class); r.registerMethodSubstitution(ArraysSubstitutions.class, "equals", short[].class, short[].class); r.registerMethodSubstitution(ArraysSubstitutions.class, "equals", char[].class, char[].class); r.registerMethodSubstitution(ArraysSubstitutions.class, "equals", int[].class, int[].class); r.registerMethodSubstitution(ArraysSubstitutions.class, "equals", float[].class, float[].class); r.registerMethodSubstitution(ArraysSubstitutions.class, "equals", long[].class, long[].class); r.registerMethodSubstitution(ArraysSubstitutions.class, "equals", double[].class, double[].class); } private static void registerArrayPlugins(InvocationPlugins plugins) { Registration r = new Registration(plugins, Array.class); r.register2("newInstance", Class.class, int.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver unused, ValueNode componentType, ValueNode length) { b.addPush(Kind.Object, new DynamicNewArrayNode(componentType, length, true)); return true; } }); r.registerMethodSubstitution(ArraySubstitutions.class, "getLength", Object.class); } private static void registerUnsafePlugins(InvocationPlugins plugins) { Registration r = new Registration(plugins, Unsafe.class); for (Kind kind : Kind.values()) { if ((kind.isPrimitive() && kind != Kind.Void) || kind == Kind.Object) { Class<?> javaClass = kind == Kind.Object ? Object.class : kind.toJavaClass(); String kindName = kind.name(); String getName = "get" + kindName; String putName = "put" + kindName; // Object-based accesses r.register3(getName, Receiver.class, Object.class, long.class, new UnsafeGetPlugin(kind, false)); r.register4(putName, Receiver.class, Object.class, long.class, javaClass, new UnsafePutPlugin(kind, false)); // Volatile object-based accesses r.register3(getName + "Volatile", Receiver.class, Object.class, long.class, new UnsafeGetPlugin(kind, true)); r.register4(putName + "Volatile", Receiver.class, Object.class, long.class, javaClass, new UnsafePutPlugin(kind, true)); // Ordered object-based accesses if (kind == Kind.Int || kind == Kind.Long || kind == Kind.Object) { r.register4("putOrdered" + kindName, Receiver.class, Object.class, long.class, javaClass, new UnsafePutPlugin(kind, true)); } if (kind != Kind.Boolean && kind != Kind.Object) { // Raw accesses to memory addresses r.register2(getName, Receiver.class, long.class, new UnsafeGetPlugin(kind, false)); r.register3(putName, Receiver.class, long.class, kind.toJavaClass(), new UnsafePutPlugin(kind, false)); } } } // Accesses to native memory addresses. r.register2("getAddress", Receiver.class, long.class, new UnsafeGetPlugin(Kind.Long, false)); r.register3("putAddress", Receiver.class, long.class, long.class, new UnsafePutPlugin(Kind.Long, false)); for (Kind kind : new Kind[]{Kind.Int, Kind.Long, Kind.Object}) { Class<?> javaClass = kind == Kind.Object ? Object.class : kind.toJavaClass(); r.register5("compareAndSwap" + kind.name(), Receiver.class, Object.class, long.class, javaClass, javaClass, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver unsafe, ValueNode object, ValueNode offset, ValueNode expected, ValueNode x) { // Emits a null-check for the otherwise unused receiver unsafe.get(); b.addPush(Kind.Int, new CompareAndSwapNode(object, offset, expected, x, kind, LocationIdentity.any())); b.getGraph().markUnsafeAccess(); return true; } }); } r.register2("allocateInstance", Receiver.class, Class.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver unsafe, ValueNode clazz) { // Emits a null-check for the otherwise unused receiver unsafe.get(); b.addPush(Kind.Object, new DynamicNewInstanceNode(clazz, true)); return true; } }); } private static void registerIntegerLongPlugins(InvocationPlugins plugins, Kind kind) { Class<?> declaringClass = kind.toBoxedJavaClass(); Class<?> type = kind.toJavaClass(); Registration r = new Registration(plugins, declaringClass); r.register1("reverseBytes", type, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { b.push(kind, b.recursiveAppend(new ReverseBytesNode(value).canonical(null, value))); return true; } }); r.register1("bitCount", type, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { b.push(Kind.Int, b.recursiveAppend(new BitCountNode(value).canonical(null, value))); return true; } }); r.register2("divideUnsigned", type, type, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode dividend, ValueNode divisor) { b.push(kind, b.recursiveAppend(new UnsignedDivNode(dividend, divisor).canonical(null, dividend, divisor))); return true; } }); r.register2("remainderUnsigned", type, type, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode dividend, ValueNode divisor) { b.push(kind, b.recursiveAppend(new UnsignedRemNode(dividend, divisor).canonical(null, dividend, divisor))); return true; } }); } private static void registerCharacterPlugins(InvocationPlugins plugins) { Registration r = new Registration(plugins, Character.class); r.register1("reverseBytes", char.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { // return (char) (Integer.reverse(i) >> 16); ReverseBytesNode reverse = b.add(new ReverseBytesNode(value)); RightShiftNode rightShift = b.add(new RightShiftNode(reverse, b.add(ConstantNode.forInt(16)))); ZeroExtendNode charCast = b.add(new ZeroExtendNode(b.add(new NarrowNode(rightShift, 16)), 32)); b.push(Kind.Char, b.recursiveAppend(charCast.canonical(null, value))); return true; } }); } private static void registerShortPlugins(InvocationPlugins plugins) { Registration r = new Registration(plugins, Short.class); r.register1("reverseBytes", short.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { // return (short) (Integer.reverse(i) >> 16); ReverseBytesNode reverse = b.add(new ReverseBytesNode(value)); RightShiftNode rightShift = b.add(new RightShiftNode(reverse, b.add(ConstantNode.forInt(16)))); SignExtendNode charCast = b.add(new SignExtendNode(b.add(new NarrowNode(rightShift, 16)), 32)); b.push(Kind.Short, b.recursiveAppend(charCast.canonical(null, value))); return true; } }); } private static void registerFloatPlugins(InvocationPlugins plugins) { Registration r = new Registration(plugins, Float.class); r.register1("floatToRawIntBits", float.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { b.push(Kind.Int, b.recursiveAppend(new ReinterpretNode(Kind.Int, value).canonical(null, value))); return true; } }); r.register1("intBitsToFloat", int.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { b.push(Kind.Float, b.recursiveAppend(new ReinterpretNode(Kind.Float, value).canonical(null, value))); return true; } }); } private static void registerDoublePlugins(InvocationPlugins plugins) { Registration r = new Registration(plugins, Double.class); r.register1("doubleToRawLongBits", double.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { b.push(Kind.Long, b.recursiveAppend(new ReinterpretNode(Kind.Long, value).canonical(null, value))); return true; } }); r.register1("longBitsToDouble", long.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { b.push(Kind.Double, b.recursiveAppend(new ReinterpretNode(Kind.Double, value).canonical(null, value))); return true; } }); } private static void registerMathPlugins(InvocationPlugins plugins) { Registration r = new Registration(plugins, Math.class); for (Kind kind : new Kind[]{Kind.Int, Kind.Long}) { Class<?> type = kind.toJavaClass(); r.register2("addExact", type, type, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode x, ValueNode y) { b.addPush(kind, new IntegerAddExactNode(x, y)); return true; } }); r.register2("subtractExact", type, type, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode x, ValueNode y) { b.addPush(kind, new IntegerSubExactNode(x, y)); return true; } }); r.register2("multiplyExact", type, type, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode x, ValueNode y) { b.addPush(kind, new IntegerMulExactNode(x, y)); return true; } }); } r.register1("abs", Float.TYPE, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { b.push(Kind.Float, b.recursiveAppend(new AbsNode(value).canonical(null, value))); return true; } }); r.register1("abs", Double.TYPE, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { b.push(Kind.Double, b.recursiveAppend(new AbsNode(value).canonical(null, value))); return true; } }); r.register1("sqrt", Double.TYPE, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { b.push(Kind.Double, b.recursiveAppend(new SqrtNode(value).canonical(null, value))); return true; } }); } public static class UnsignedMathPlugin implements InvocationPlugin { private final Condition condition; public UnsignedMathPlugin(Condition condition) { this.condition = condition; } public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode x, ValueNode y) { // the mirroring and negation operations get the condition into canonical form boolean mirror = condition.canonicalMirror(); boolean negate = condition.canonicalNegate(); StructuredGraph graph = b.getGraph(); ValueNode lhs = mirror ? y : x; ValueNode rhs = mirror ? x : y; ValueNode trueValue = ConstantNode.forBoolean(!negate, graph); ValueNode falseValue = ConstantNode.forBoolean(negate, graph); Condition cond = mirror ? condition.mirror() : condition; if (negate) { cond = cond.negate(); } LogicNode compare = CompareNode.createCompareNode(graph, cond, lhs, rhs, b.getConstantReflection()); b.addPush(Kind.Boolean, new ConditionalNode(compare, trueValue, falseValue)); return true; } } private static void registerUnsignedMathPlugins(InvocationPlugins plugins) { Registration r = new Registration(plugins, UnsignedMath.class); r.register2("aboveThan", int.class, int.class, new UnsignedMathPlugin(Condition.AT)); r.register2("aboveThan", long.class, long.class, new UnsignedMathPlugin(Condition.AT)); r.register2("belowThan", int.class, int.class, new UnsignedMathPlugin(Condition.BT)); r.register2("belowThan", long.class, long.class, new UnsignedMathPlugin(Condition.BT)); r.register2("aboveOrEqual", int.class, int.class, new UnsignedMathPlugin(Condition.AE)); r.register2("aboveOrEqual", long.class, long.class, new UnsignedMathPlugin(Condition.AE)); r.register2("belowOrEqual", int.class, int.class, new UnsignedMathPlugin(Condition.BE)); r.register2("belowOrEqual", long.class, long.class, new UnsignedMathPlugin(Condition.BE)); r.register2("divide", int.class, int.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode x, ValueNode y) { b.push(Kind.Int, b.recursiveAppend(new UnsignedDivNode(x, y).canonical(null, x, y))); return true; } }); r.register2("divide", long.class, long.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode x, ValueNode y) { b.push(Kind.Long, b.recursiveAppend(new UnsignedDivNode(x, y).canonical(null, x, y))); return true; } }); r.register2("remainder", int.class, int.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode x, ValueNode y) { b.push(Kind.Int, b.recursiveAppend(new UnsignedRemNode(x, y).canonical(null, x, y))); return true; } }); r.register2("remainder", long.class, long.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode x, ValueNode y) { b.push(Kind.Long, b.recursiveAppend(new UnsignedRemNode(x, y).canonical(null, x, y))); return true; } }); } protected static void registerBoxingPlugins(InvocationPlugins plugins) { for (Kind kind : Kind.values()) { if (kind.isPrimitive() && kind != Kind.Void) { new BoxPlugin(kind).register(plugins); new UnboxPlugin(kind).register(plugins); } } } private static void registerObjectPlugins(InvocationPlugins plugins) { Registration r = new Registration(plugins, Object.class); r.register1("<init>", Receiver.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) { ValueNode object = receiver.get(); if (RegisterFinalizerNode.mayHaveFinalizer(object, b.getAssumptions())) { b.add(new RegisterFinalizerNode(object)); } return true; } }); r.register1("getClass", Receiver.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) { ValueNode object = receiver.get(); ValueNode folded = GetClassNode.tryFold(b.getMetaAccess(), GraphUtil.originalValue(object)); if (folded != null) { b.addPush(Kind.Object, folded); } else { Stamp stamp = StampFactory.declaredNonNull(b.getMetaAccess().lookupJavaType(Class.class)); b.addPush(Kind.Object, new GetClassNode(stamp, object)); } return true; } }); } private static void registerClassPlugins(InvocationPlugins plugins) { Registration r = new Registration(plugins, Class.class); r.register2("isInstance", Receiver.class, Object.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver type, ValueNode object) { LogicNode condition = b.add(InstanceOfDynamicNode.create(b.getConstantReflection(), type.get(), object)); b.push(Kind.Boolean, b.recursiveAppend(new ConditionalNode(condition).canonical(null))); return true; } }); r.register2("isAssignableFrom", Receiver.class, Class.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver type, ValueNode otherType) { ClassIsAssignableFromNode condition = b.recursiveAppend(new ClassIsAssignableFromNode(type.get(), otherType)); b.push(Kind.Boolean, b.recursiveAppend(new ConditionalNode(condition).canonical(null))); return true; } }); } /** * Substitutions for improving the performance of some critical methods in {@link Edges}. These * substitutions improve the performance by forcing the relevant methods to be inlined * (intrinsification being a special form of inlining) and removing a checked cast. The latter * cannot be done directly in Java code as {@link DeferredPiNode} is not available to the * project containing {@link Edges}. */ private static void registerEdgesPlugins(MetaAccessProvider metaAccess, InvocationPlugins plugins) { Registration r = new Registration(plugins, Edges.class); for (Class<?> c : new Class<?>[]{Node.class, NodeList.class}) { r.register2("get" + c.getSimpleName() + "Unsafe", Node.class, long.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode node, ValueNode offset) { ValueNode value = b.add(new UnsafeLoadNode(node, offset, Kind.Object, LocationIdentity.any())); boolean exactType = false; boolean nonNull = false; b.addPush(Kind.Object, new PiNode(value, metaAccess.lookupJavaType(c), exactType, nonNull)); return true; } }); r.register3("put" + c.getSimpleName() + "Unsafe", Node.class, long.class, c, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode node, ValueNode offset, ValueNode value) { b.add(new UnsafeStoreNode(node, offset, value, Kind.Object, LocationIdentity.any())); return true; } }); } } public static class BoxPlugin implements InvocationPlugin { private final Kind kind; BoxPlugin(Kind kind) { this.kind = kind; } public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { if (b.parsingIntrinsic()) { ResolvedJavaMethod rootMethod = b.getGraph().method(); if (b.getMetaAccess().lookupJavaType(BoxingSnippets.class).isAssignableFrom(rootMethod.getDeclaringClass())) { // Disable invocation plugins for boxing snippets so that the // original JDK methods are inlined return false; } } ResolvedJavaType resultType = b.getMetaAccess().lookupJavaType(kind.toBoxedJavaClass()); b.addPush(Kind.Object, new BoxNode(value, resultType, kind)); return true; } void register(InvocationPlugins plugins) { plugins.register(this, kind.toBoxedJavaClass(), "valueOf", kind.toJavaClass()); } } public static class UnboxPlugin implements InvocationPlugin { private final Kind kind; UnboxPlugin(Kind kind) { this.kind = kind; } public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) { if (b.parsingIntrinsic()) { ResolvedJavaMethod rootMethod = b.getGraph().method(); if (b.getMetaAccess().lookupJavaType(BoxingSnippets.class).isAssignableFrom(rootMethod.getDeclaringClass())) { // Disable invocation plugins for unboxing snippets so that the // original JDK methods are inlined return false; } } ValueNode valueNode = UnboxNode.create(b.getMetaAccess(), b.getConstantReflection(), receiver.get(), kind); b.addPush(kind, valueNode); return true; } void register(InvocationPlugins plugins) { String name = kind.toJavaClass().getSimpleName() + "Value"; plugins.register(this, kind.toBoxedJavaClass(), name, Receiver.class); } } public static class UnsafeGetPlugin implements InvocationPlugin { private final Kind returnKind; private final boolean isVolatile; public UnsafeGetPlugin(Kind returnKind, boolean isVolatile) { this.returnKind = returnKind; this.isVolatile = isVolatile; } public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver unsafe, ValueNode address) { // Emits a null-check for the otherwise unused receiver unsafe.get(); b.addPush(returnKind, new DirectReadNode(address, returnKind)); b.getGraph().markUnsafeAccess(); return true; } public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver unsafe, ValueNode object, ValueNode offset) { // Emits a null-check for the otherwise unused receiver unsafe.get(); if (isVolatile) { b.add(new MembarNode(JMM_PRE_VOLATILE_READ)); } b.addPush(returnKind, new UnsafeLoadNode(object, offset, returnKind, LocationIdentity.any())); if (isVolatile) { b.add(new MembarNode(JMM_POST_VOLATILE_READ)); } b.getGraph().markUnsafeAccess(); return true; } } public static class UnsafePutPlugin implements InvocationPlugin { private final Kind kind; private final boolean isVolatile; public UnsafePutPlugin(Kind kind, boolean isVolatile) { this.kind = kind; this.isVolatile = isVolatile; } public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver unsafe, ValueNode address, ValueNode value) { // Emits a null-check for the otherwise unused receiver unsafe.get(); b.add(new DirectStoreNode(address, value, kind)); b.getGraph().markUnsafeAccess(); return true; } public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver unsafe, ValueNode object, ValueNode offset, ValueNode value) { // Emits a null-check for the otherwise unused receiver unsafe.get(); if (isVolatile) { b.add(new MembarNode(JMM_PRE_VOLATILE_WRITE)); } b.add(new UnsafeStoreNode(object, offset, value, kind, LocationIdentity.any())); if (isVolatile) { b.add(new MembarNode(JMM_PRE_VOLATILE_WRITE)); } b.getGraph().markUnsafeAccess(); return true; } } private static void registerGraalDirectivesPlugins(InvocationPlugins plugins) { Registration r = new Registration(plugins, GraalDirectives.class); r.register0("deoptimize", new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) { b.add(new DeoptimizeNode(DeoptimizationAction.None, DeoptimizationReason.TransferToInterpreter)); return true; } }); r.register0("deoptimizeAndInvalidate", new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) { b.add(new DeoptimizeNode(DeoptimizationAction.InvalidateReprofile, DeoptimizationReason.TransferToInterpreter)); return true; } }); r.register0("inCompiledCode", new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) { b.addPush(Kind.Boolean, ConstantNode.forBoolean(true)); return true; } }); r.register0("controlFlowAnchor", new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) { b.add(new ControlFlowAnchorNode()); return true; } }); r.register2("injectBranchProbability", double.class, boolean.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode probability, ValueNode condition) { b.addPush(Kind.Boolean, new BranchProbabilityNode(probability, condition)); return true; } }); InvocationPlugin blackholePlugin = new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { b.add(new BlackholeNode(value)); return true; } }; for (Kind kind : Kind.values()) { if ((kind.isPrimitive() && kind != Kind.Void) || kind == Kind.Object) { Class<?> javaClass = kind == Kind.Object ? Object.class : kind.toJavaClass(); r.register1("blackhole", javaClass, blackholePlugin); r.register1("opaque", javaClass, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { b.addPush(kind, new OpaqueNode(value)); return true; } }); } } r.register1("guardingNonNull", Object.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { ObjectStamp objectStamp = (ObjectStamp) value.stamp(); if (objectStamp.nonNull()) { b.addPush(value.getKind(), value); return true; } else if (objectStamp.alwaysNull()) { b.add(new DeoptimizeNode(DeoptimizationAction.None, DeoptimizationReason.NullCheckException)); return true; } IsNullNode isNull = b.add(new IsNullNode(value)); FixedGuardNode fixedGuard = b.add(new FixedGuardNode(isNull, DeoptimizationReason.NullCheckException, DeoptimizationAction.None, true)); Stamp newStamp = objectStamp.improveWith(StampFactory.objectNonNull()); b.addPush(value.getKind(), new PiNode(value, newStamp, fixedGuard)); return true; } }); } private static void registerJMHBlackholePlugins(InvocationPlugins plugins) { InvocationPlugin blackholePlugin = new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver blackhole, ValueNode value) { blackhole.get(); b.add(new BlackholeNode(value)); return true; } }; String[] names = {"org.openjdk.jmh.infra.Blackhole", "org.openjdk.jmh.logic.BlackHole"}; for (String name : names) { Class<?> blackholeClass; blackholeClass = MethodSubstitutionPlugin.resolveClass(name, true); if (blackholeClass != null) { Registration r = new Registration(plugins, blackholeClass); for (Kind kind : Kind.values()) { if ((kind.isPrimitive() && kind != Kind.Void) || kind == Kind.Object) { Class<?> javaClass = kind == Kind.Object ? Object.class : kind.toJavaClass(); r.register2("consume", Receiver.class, javaClass, blackholePlugin); } } r.register2("consume", Receiver.class, Object[].class, blackholePlugin); } } } private static void registerJFRThrowablePlugins(InvocationPlugins plugins) { String name = "oracle.jrockit.jfr.jdkevents.ThrowableTracer"; Class<?> tracerClass = MethodSubstitutionPlugin.resolveClass(name, true); if (tracerClass != null) { Registration r = new Registration(plugins, tracerClass); r.register2("traceThrowable", Throwable.class, String.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode throwable, ValueNode message) { b.add(new VirtualizableInvokeMacroNode(b.getInvokeKind(), targetMethod, b.bci(), b.getInvokeReturnType(), throwable, message)); return true; } }); } } }