Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/DynamicNewArrayNode.java @ 16919:0fe4732e5181
made use of generated Node classes predicated on value of graal.useGeneratedNodes system property (default is false)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Mon, 25 Aug 2014 13:45:12 +0200 |
parents | f90dcdbbb75e |
children | 845e881ce054 |
line wrap: on
line source
/* * 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. */ //JaCoCo Exclude package com.oracle.graal.nodes.java; import java.lang.reflect.*; import java.util.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; /** * The {@code DynamicNewArrayNode} is used for allocation of arrays when the type is not a * compile-time constant. */ @NodeInfo public class DynamicNewArrayNode extends AbstractNewArrayNode { @Input ValueNode elementType; public static DynamicNewArrayNode create(ValueNode elementType, ValueNode length) { return USE_GENERATED_NODES ? new DynamicNewArrayNodeGen(elementType, length) : new DynamicNewArrayNode(elementType, length); } DynamicNewArrayNode(ValueNode elementType, ValueNode length) { this(elementType, length, true); } public static DynamicNewArrayNode create(ValueNode elementType, ValueNode length, boolean fillContents) { return USE_GENERATED_NODES ? new DynamicNewArrayNodeGen(elementType, length, fillContents) : new DynamicNewArrayNode(elementType, length, fillContents); } DynamicNewArrayNode(ValueNode elementType, ValueNode length, boolean fillContents) { super(StampFactory.objectNonNull(), length, fillContents); this.elementType = elementType; } public ValueNode getElementType() { return elementType; } @Override public void simplify(SimplifierTool tool) { if (isAlive() && elementType.isConstant()) { ResolvedJavaType javaType = tool.getConstantReflection().asJavaType(elementType.asConstant()); if (javaType != null && !javaType.equals(tool.getMetaAccess().lookupJavaType(void.class))) { ValueNode len = length(); NewArrayNode newArray = graph().add(NewArrayNode.create(javaType, len.isAlive() ? len : graph().addOrUniqueWithInputs(len), fillContents())); List<Node> snapshot = inputs().snapshot(); graph().replaceFixedWithFixed(this, newArray); for (Node input : snapshot) { tool.removeIfUnused(input); } tool.addToWorkList(newArray); } } } @NodeIntrinsic public static Object newArray(Class<?> componentType, int length) { return Array.newInstance(componentType, length); } @NodeIntrinsic private static native Object newArray(Class<?> componentType, int length, @ConstantNodeParameter boolean fillContents); public static Object newUninitializedArray(Class<?> componentType, int length) { return newArray(componentType, length, false); } }