Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizeNode.java @ 15002:06e50d290784
isAllowedUsageType on Nodes
author | Lukas Stadler <lukas.stadler@oracle.com> |
---|---|
date | Mon, 07 Apr 2014 11:32:08 +0200 |
parents | d5a1206e1923 |
children | 468b2428c403 |
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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.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.spi.*; @NodeInfo(shortName = "Deopt", nameTemplate = "Deopt {p#reason/s}") public class DeoptimizeNode extends AbstractDeoptimizeNode implements Lowerable, LIRLowerable { private final DeoptimizationAction action; private final DeoptimizationReason reason; private final int debugId; private final Constant speculation; public DeoptimizeNode(DeoptimizationAction action, DeoptimizationReason reason) { this(action, reason, 0, Constant.NULL_OBJECT); } public DeoptimizeNode(DeoptimizationAction action, DeoptimizationReason reason, int debugId, Constant speculation) { assert action != null; assert reason != null; assert speculation.getKind() == Kind.Object; this.action = action; this.reason = reason; this.debugId = debugId; this.speculation = speculation; } public DeoptimizationAction action() { return action; } public DeoptimizationReason reason() { return reason; } @Override public void lower(LoweringTool tool) { tool.getLowerer().lower(this, tool); } @Override public void generate(NodeLIRBuilderTool gen) { gen.getLIRGeneratorTool().emitDeoptimize(gen.getLIRGeneratorTool().getMetaAccess().encodeDeoptActionAndReason(action, reason, debugId), speculation, this); } @Override public ValueNode getActionAndReason(MetaAccessProvider metaAccess) { return ConstantNode.forConstant(metaAccess.encodeDeoptActionAndReason(action, reason, debugId), metaAccess, graph()); } @Override public ValueNode getSpeculation(MetaAccessProvider metaAccess) { return ConstantNode.forConstant(speculation, metaAccess, graph()); } public Constant getSpeculation() { return speculation; } @NodeIntrinsic public static native void deopt(@ConstantNodeParameter DeoptimizationAction action, @ConstantNodeParameter DeoptimizationReason reason); }