Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectCloneNode.java @ 20116:674a81af7992
removed IntrinsificationsEnabled and IntrinsificationsDisabled options
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 01 Apr 2015 13:59:01 +0200 |
parents | 8470e81631f8 |
children | fe76bf3867f3 80a78b8122fe |
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/* * Copyright (c) 2013, 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.hotspot.replacements; import java.lang.reflect.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.debug.*; import com.oracle.graal.debug.Debug.Scope; import com.oracle.graal.graph.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.CallTargetNode.InvokeKind; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.StructuredGraph.AllowAssumptions; import com.oracle.graal.nodes.java.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; import com.oracle.graal.replacements.nodes.*; @NodeInfo public final class ObjectCloneNode extends BasicObjectCloneNode implements VirtualizableAllocation, ArrayLengthProvider { public static final NodeClass<ObjectCloneNode> TYPE = NodeClass.create(ObjectCloneNode.class); public ObjectCloneNode(InvokeKind invokeKind, ResolvedJavaMethod targetMethod, int bci, JavaType returnType, ValueNode receiver) { super(TYPE, invokeKind, targetMethod, bci, returnType, receiver); } @Override protected StructuredGraph getLoweredSnippetGraph(LoweringTool tool) { ResolvedJavaType type = StampTool.typeOrNull(getObject()); if (type != null) { if (type.isArray()) { Method method = ObjectCloneSnippets.arrayCloneMethods.get(type.getComponentType().getKind()); if (method != null) { final ResolvedJavaMethod snippetMethod = tool.getMetaAccess().lookupJavaMethod(method); final Replacements replacements = tool.getReplacements(); StructuredGraph snippetGraph = null; try (Scope s = Debug.scope("ArrayCopySnippet", snippetMethod)) { snippetGraph = replacements.getSnippet(snippetMethod, null); } catch (Throwable e) { throw Debug.handle(e); } assert snippetGraph != null : "ObjectCloneSnippets should be installed"; return lowerReplacement(snippetGraph.copy(), tool); } assert false : "unhandled array type " + type.getComponentType().getKind(); } else { Assumptions assumptions = graph().getAssumptions(); type = getConcreteType(getObject().stamp(), assumptions, tool.getMetaAccess()); if (type != null) { StructuredGraph newGraph = new StructuredGraph(AllowAssumptions.from(assumptions != null)); ParameterNode param = newGraph.unique(new ParameterNode(0, getObject().stamp())); NewInstanceNode newInstance = newGraph.add(new NewInstanceNode(type, true)); newGraph.addAfterFixed(newGraph.start(), newInstance); ReturnNode returnNode = newGraph.add(new ReturnNode(newInstance)); newGraph.addAfterFixed(newInstance, returnNode); for (ResolvedJavaField field : type.getInstanceFields(true)) { LoadFieldNode load = newGraph.add(new LoadFieldNode(param, field)); newGraph.addBeforeFixed(returnNode, load); newGraph.addBeforeFixed(returnNode, newGraph.add(new StoreFieldNode(newInstance, field, load))); } return lowerReplacement(newGraph, tool); } } } return null; } }