Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DynamicDeoptimizeNode.java @ 12484:2d8a8980eda8
Canonicalize DynamicDeoptimize nodes back to Deoptimize when used with a constant reason&action
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Thu, 17 Oct 2013 18:18:05 +0200 |
parents | 23ccaa863eda |
children | 5a9afbf72714 |
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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.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodes.spi.*; public class DynamicDeoptimizeNode extends AbstractDeoptimizeNode implements LIRLowerable, Canonicalizable { @Input private ValueNode actionAndReason; public DynamicDeoptimizeNode(ValueNode actionAndReason) { this.actionAndReason = actionAndReason; } public ValueNode getActionAndReason() { return actionAndReason; } @Override public ValueNode getActionAndReason(MetaAccessProvider metaAccess) { return getActionAndReason(); } public void generate(LIRGeneratorTool generator) { generator.emitDeoptimize(generator.operand(actionAndReason), this); } @Override public Node canonical(CanonicalizerTool tool) { if (actionAndReason.isConstant()) { Constant constant = actionAndReason.asConstant(); DeoptimizeNode newDeopt = graph().add(new DeoptimizeNode(tool.getMetaAccess().decodeDeoptAction(constant), tool.getMetaAccess().decodeDeoptReason(constant))); newDeopt.setDeoptimizationState(getDeoptimizationState()); return newDeopt; } return this; } }