Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/AllocatedObjectNode.java @ 15019:3498761a33d8
differentiate between tightly coupling edges (Extension) and loosely coupling edges (Association)
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Tue, 08 Apr 2014 10:25:44 +0200 |
parents | 27c04ee36dcb |
children | 882f4cb7cfcf |
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/* * Copyright (c) 2009, 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.nodes.virtual; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.calc.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; /** * Selects one object from a {@link CommitAllocationNode}. The object is identified by its * {@link VirtualObjectNode}. */ public class AllocatedObjectNode extends FloatingNode implements Virtualizable, ArrayLengthProvider { @Input private VirtualObjectNode virtualObject; @Input(InputType.Extension) private CommitAllocationNode commit; public AllocatedObjectNode(VirtualObjectNode virtualObject) { super(StampFactory.exactNonNull(virtualObject.type())); this.virtualObject = virtualObject; } public VirtualObjectNode getVirtualObject() { return virtualObject; } public CommitAllocationNode getCommit() { return commit; } public void setCommit(CommitAllocationNode x) { updateUsages(commit, x); commit = x; } @Override public void virtualize(VirtualizerTool tool) { tool.replaceWithVirtual(getVirtualObject()); } public ValueNode length() { if (virtualObject instanceof ArrayLengthProvider) { return ((ArrayLengthProvider) virtualObject).length(); } return null; } }