Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MemoryAnchorNode.java @ 15080:0bc5f99bf9d2
remove unused MemoryAnchorNodes
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Mon, 14 Apr 2014 11:12:39 +0200 |
parents | 4b1f128a3d45 |
children | 882f4cb7cfcf |
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/* * Copyright (c) 2014, 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.nodes; import com.oracle.graal.graph.*; import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; @NodeInfo(allowedUsageTypes = {InputType.Memory}) public class MemoryAnchorNode extends FixedWithNextNode implements LIRLowerable, MemoryNode, Canonicalizable { public MemoryAnchorNode() { super(StampFactory.forVoid()); } public void generate(NodeLIRBuilderTool generator) { // Nothing to emit, since this node is used for structural purposes only. } @Override public Node canonical(CanonicalizerTool tool) { return usages().isEmpty() ? null : this; } public MemoryCheckpoint asMemoryCheckpoint() { return null; } public MemoryPhiNode asMemoryPhi() { return null; } }