1 /* 2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.hotspot.nodes; 24 25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_1; 26 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_3; 27 28 import org.graalvm.compiler.core.common.type.StampFactory; 29 import org.graalvm.compiler.graph.NodeClass; 30 import org.graalvm.compiler.hotspot.HotSpotLIRGenerator; 31 import org.graalvm.compiler.nodeinfo.NodeInfo; 32 import org.graalvm.compiler.nodes.ControlSinkNode; 33 import org.graalvm.compiler.nodes.spi.LIRLowerable; 34 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; 35 36 import jdk.vm.ci.meta.DeoptimizationAction; 37 import jdk.vm.ci.meta.DeoptimizationReason; 38 39 /** 40 * Removes the current frame and tail calls the uncommon trap routine. 41 */ 42 @NodeInfo(shortName = "DeoptCaller", nameTemplate = "DeoptCaller {p#reason/s}", cycles = CYCLES_1, size = SIZE_3) 43 public final class DeoptimizeCallerNode extends ControlSinkNode implements LIRLowerable { 44 45 public static final NodeClass<DeoptimizeCallerNode> TYPE = NodeClass.create(DeoptimizeCallerNode.class); 46 protected final DeoptimizationAction action; 47 protected final DeoptimizationReason reason; 48 49 public DeoptimizeCallerNode(DeoptimizationAction action, DeoptimizationReason reason) { 50 super(TYPE, StampFactory.forVoid()); 51 this.action = action; 52 this.reason = reason; 53 } 54 55 @Override 56 public void generate(NodeLIRBuilderTool gen) { 57 ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitDeoptimizeCaller(action, reason); 58 } 59 60 @NodeIntrinsic 61 public static native void deopt(@ConstantNodeParameter DeoptimizationAction action, @ConstantNodeParameter DeoptimizationReason reason); 62 }