Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/SnippetAnchorNode.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> |
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date | Mon, 25 Aug 2014 13:45:12 +0200 |
parents | 06c15e88d383 |
children | 45b45f902bed |
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/* * Copyright (c) 2013, 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. */ package com.oracle.graal.hotspot.nodes; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; @NodeInfo(allowedUsageTypes = {InputType.Value, InputType.Anchor, InputType.Guard}) public class SnippetAnchorNode extends FixedWithNextNode implements Simplifiable, GuardingNode { public static SnippetAnchorNode create() { return USE_GENERATED_NODES ? new SnippetAnchorNodeGen() : new SnippetAnchorNode(); } protected SnippetAnchorNode() { super(StampFactory.object()); } @Override public void simplify(SimplifierTool tool) { BeginNode prevBegin = BeginNode.prevBegin(this); replaceAtUsages(InputType.Anchor, prevBegin); replaceAtUsages(InputType.Guard, prevBegin); if (usages().isEmpty()) { graph().removeFixed(this); } } @NodeIntrinsic public static native GuardingNode anchor(); }