Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizeNode.java @ 11691:1870ea57e814
Remove Lowering interface from DeoptimizeNode and UnwindNode.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 17 Sep 2013 23:11:02 +0200 |
parents | 1aed684853f6 |
children | 4fc75b6ca3dd |
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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; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.spi.*; 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 class DeoptimizeNode extends ControlSinkNode implements IterableNodeType, LIRLowerable, DeoptimizingNode { @Input private FrameState deoptState; private final DeoptimizationAction action; private final DeoptimizationReason reason; public DeoptimizeNode(DeoptimizationAction action, DeoptimizationReason reason) { super(StampFactory.forVoid()); this.action = action; this.reason = reason; } public DeoptimizationAction action() { return action; } public DeoptimizationReason reason() { return reason; } @Override public void generate(LIRGeneratorTool gen) { gen.emitDeoptimize(action, this); } @NodeIntrinsic public static native void deopt(@ConstantNodeParameter DeoptimizationAction action, @ConstantNodeParameter DeoptimizationReason reason); @Override public boolean canDeoptimize() { return true; } @Override public FrameState getDeoptimizationState() { return deoptState; } @Override public void setDeoptimizationState(FrameState f) { updateUsages(deoptState, f); deoptState = f; } @Override public DeoptimizationReason getDeoptimizationReason() { return reason; } }