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 jdk.vm.ci.meta.ResolvedJavaMethod;
  26 
  27 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_3;
  28 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_3;
  29 
  30 import org.graalvm.compiler.debug.GraalError;
  31 import org.graalvm.compiler.graph.NodeClass;
  32 import org.graalvm.compiler.graph.iterators.NodeIterable;
  33 import org.graalvm.compiler.hotspot.nodes.type.MethodCountersPointerStamp;
  34 import org.graalvm.compiler.nodeinfo.NodeInfo;
  35 import org.graalvm.compiler.nodes.StructuredGraph;
  36 import org.graalvm.compiler.nodes.calc.FloatingNode;
  37 import org.graalvm.compiler.nodes.spi.LIRLowerable;
  38 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
  39 
  40 @NodeInfo(cycles = CYCLES_3, size = SIZE_3)
  41 public class LoadMethodCountersNode extends FloatingNode implements LIRLowerable {
  42     public static final NodeClass<LoadMethodCountersNode> TYPE = NodeClass.create(LoadMethodCountersNode.class);
  43 
  44     ResolvedJavaMethod method;
  45 
  46     public LoadMethodCountersNode(ResolvedJavaMethod method) {
  47         super(TYPE, MethodCountersPointerStamp.methodCountersNonNull());
  48         this.method = method;
  49     }
  50 
  51     public ResolvedJavaMethod getMethod() {
  52         return method;
  53     }
  54 
  55     public static NodeIterable<LoadMethodCountersNode> getLoadMethodCountersNodes(StructuredGraph graph) {
  56         return graph.getNodes().filter(LoadMethodCountersNode.class);
  57     }
  58 
  59     @Override
  60     public void generate(NodeLIRBuilderTool generator) {
  61         // TODO: With AOT we don't need this, as this node will be replaced.
  62         // Implement later when profiling is needed in the JIT mode.
  63         throw GraalError.unimplemented();
  64     }
  65 }