Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/AbstractDeoptimizeNode.java @ 11836:d72c314260dc
Add a DynamicDeoptimizeNode where the action and reason is a input node.
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Thu, 26 Sep 2013 17:30:19 +0200 |
parents | |
children | 0e2cceed1caf |
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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.nodes; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.type.*; /** * This node represents an unconditional explicit request for immediate deoptimization. * * After this node, execution will continue using a fallback execution engine (such as an * interpreter) at the position described by the {@link #getDeoptimizationState() deoptimization * state}. * */ @NodeInfo(shortName = "Deopt", nameTemplate = "Deopt {p#reason/s}") public abstract class AbstractDeoptimizeNode extends ControlSinkNode implements IterableNodeType, DeoptimizingNode { @Input private FrameState deoptState; public AbstractDeoptimizeNode() { super(StampFactory.forVoid()); } @Override public boolean canDeoptimize() { return true; } @Override public FrameState getDeoptimizationState() { return deoptState; } @Override public void setDeoptimizationState(FrameState f) { updateUsages(deoptState, f); deoptState = f; } public FrameState getState() { return deoptState; } }