Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/BoxNode.java @ 21669:942793d2a513
Turn BoxNode from floating to fixed node.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 02 Jun 2015 21:07:25 +0200 |
parents | 48c1ebd24120 |
children | 5731adc3a10a |
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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.nodes.extended; import java.util.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodeinfo.*; 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.jvmci.meta.*; /** * This node represents the boxing of a primitive value. This corresponds to a call to the valueOf * methods in Integer, Long, etc. */ @NodeInfo public final class BoxNode extends FixedWithNextNode implements VirtualizableAllocation, Lowerable { public static final NodeClass<BoxNode> TYPE = NodeClass.create(BoxNode.class); @Input private ValueNode value; private final Kind boxingKind; public BoxNode(ValueNode value, ResolvedJavaType resultType, Kind boxingKind) { super(TYPE, StampFactory.exactNonNull(resultType)); this.value = value; this.boxingKind = boxingKind; } public Kind getBoxingKind() { return boxingKind; } public ValueNode getValue() { return value; } @Override public void lower(LoweringTool tool) { tool.getLowerer().lower(this, tool); } @Override public void virtualize(VirtualizerTool tool) { ValueNode v = tool.getReplacedValue(getValue()); ResolvedJavaType type = StampTool.typeOrNull(stamp()); VirtualBoxingNode newVirtual = new VirtualBoxingNode(type, boxingKind); assert newVirtual.getFields().length == 1; tool.createVirtualObject(newVirtual, new ValueNode[]{v}, Collections.<MonitorIdNode> emptyList()); tool.replaceWithVirtual(newVirtual); } }