Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/debug/ControlFlowAnchorNode.java @ 19045:862997951c0a
Add GraalDirectives API to influence compiler behavior.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Thu, 29 Jan 2015 16:45:09 +0100 |
parents | |
children | 81e464d45137 |
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/* * Copyright (c) 2015, 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.debug; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; /** * This node prevents control flow optimizations. It is never duplicated or merged with other * control flow anchors. */ @NodeInfo public class ControlFlowAnchorNode extends FixedWithNextNode implements LIRLowerable { private static class Unique { } protected Unique unique; public ControlFlowAnchorNode(@SuppressWarnings("unused") Invoke invoke) { super(StampFactory.forVoid()); this.unique = new Unique(); } public void generate(NodeLIRBuilderTool generator) { // do nothing } }