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; 24 25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_20; 26 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_30; 27 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_20; 28 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_30; 29 30 import org.graalvm.compiler.graph.Node; 31 import org.graalvm.compiler.hotspot.replacements.ObjectCloneNode; 32 import org.graalvm.compiler.nodeinfo.NodeCycles; 33 import org.graalvm.compiler.nodeinfo.NodeSize; 34 import org.graalvm.compiler.nodes.spi.DefaultNodeCostProvider; 35 import org.graalvm.compiler.nodes.type.StampTool; 36 37 import jdk.vm.ci.meta.ResolvedJavaType; 38 39 public abstract class HotSpotNodeCostProvider extends DefaultNodeCostProvider { 40 41 @Override 42 public NodeSize size(Node n) { 43 if (n instanceof ObjectCloneNode) { 44 ResolvedJavaType type = StampTool.typeOrNull(((ObjectCloneNode) n).getObject()); 45 if (type != null) { 46 if (type.isArray()) { 47 return SIZE_30; 48 } else { 49 return SIZE_20; 50 } 51 } 52 } 53 return super.size(n); 54 } 55 56 @Override 57 public NodeCycles cycles(Node n) { 58 if (n instanceof ObjectCloneNode) { 59 ResolvedJavaType type = StampTool.typeOrNull(((ObjectCloneNode) n).getObject()); 60 if (type != null) { 61 if (type.isArray()) { 62 return CYCLES_30; 63 } else { 64 return CYCLES_20; 65 } 66 } 67 } 68 return super.cycles(n); 69 } 70 71 }