1 /*
   2  * Copyright (c) 2015, 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.replacements.arraycopy;
  24 
  25 import org.graalvm.compiler.graph.NodeClass;
  26 import org.graalvm.compiler.nodeinfo.InputType;
  27 import org.graalvm.compiler.nodeinfo.NodeInfo;
  28 import org.graalvm.compiler.nodes.ValueNode;
  29 import org.graalvm.compiler.nodes.type.StampTool;
  30 import org.graalvm.compiler.replacements.SnippetTemplate;
  31 import org.graalvm.compiler.replacements.nodes.BasicArrayCopyNode;
  32 
  33 import jdk.vm.ci.code.BytecodeFrame;
  34 import jdk.vm.ci.meta.JavaKind;
  35 
  36 @NodeInfo(allowedUsageTypes = InputType.Memory)
  37 public final class ArrayCopyWithSlowPathNode extends BasicArrayCopyNode {
  38 
  39     public static final NodeClass<ArrayCopyWithSlowPathNode> TYPE = NodeClass.create(ArrayCopyWithSlowPathNode.class);
  40 
  41     private final SnippetTemplate.SnippetInfo snippet;
  42 
  43     public ArrayCopyWithSlowPathNode(ValueNode src, ValueNode srcPos, ValueNode dest, ValueNode destPos, ValueNode length, SnippetTemplate.SnippetInfo snippet, JavaKind elementKind) {
  44         super(TYPE, src, srcPos, dest, destPos, length, elementKind, BytecodeFrame.INVALID_FRAMESTATE_BCI);
  45         assert StampTool.isPointerNonNull(src) && StampTool.isPointerNonNull(dest) : "must have been null checked";
  46         this.snippet = snippet;
  47     }
  48 
  49     @NodeIntrinsic
  50     public static native void arraycopy(Object nonNullSrc, int srcPos, Object nonNullDest, int destPos, int length, @ConstantNodeParameter SnippetTemplate.SnippetInfo snippet,
  51                     @ConstantNodeParameter JavaKind elementKind);
  52 
  53     public SnippetTemplate.SnippetInfo getSnippet() {
  54         return snippet;
  55     }
  56 
  57     public void setBci(int bci) {
  58         this.bci = bci;
  59     }
  60 }