1 /*
   2  * Copyright (c) 2016, 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.aot;
  24 
  25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_3;
  26 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_20;
  27 
  28 import org.graalvm.compiler.graph.NodeClass;
  29 import org.graalvm.compiler.nodeinfo.NodeInfo;
  30 import org.graalvm.compiler.nodes.DeoptimizingFixedWithNextNode;
  31 import org.graalvm.compiler.nodes.ValueNode;
  32 import org.graalvm.compiler.nodes.spi.Lowerable;
  33 import org.graalvm.compiler.nodes.spi.LoweringTool;
  34 
  35 @NodeInfo(cycles = CYCLES_3, size = SIZE_20)
  36 public class InitializeKlassNode extends DeoptimizingFixedWithNextNode implements Lowerable {
  37     public static final NodeClass<InitializeKlassNode> TYPE = NodeClass.create(InitializeKlassNode.class);
  38 
  39     @Input ValueNode value;
  40 
  41     public InitializeKlassNode(ValueNode value) {
  42         super(TYPE, value.stamp());
  43         this.value = value;
  44     }
  45 
  46     @Override
  47     public void lower(LoweringTool tool) {
  48         tool.getLowerer().lower(this, tool);
  49     }
  50 
  51     public ValueNode value() {
  52         return value;
  53     }
  54 
  55     @Override
  56     public boolean canDeoptimize() {
  57         return true;
  58     }
  59 }