1 /* 2 * Copyright (c) 2013, 2019, 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 24 25 package org.graalvm.compiler.nodes.extended; 26 27 import org.graalvm.compiler.graph.NodeInterface; 28 import org.graalvm.compiler.nodes.ValueNode; 29 import org.graalvm.compiler.nodes.memory.FixedAccessNode; 30 import org.graalvm.compiler.nodes.memory.address.AddressNode; 31 32 public interface ArrayRangeWrite extends NodeInterface { 33 AddressNode getAddress(); 34 35 /** 36 * The length of the modified range. 37 */ 38 ValueNode getLength(); 39 40 /** 41 * Return true if the written array is an object array, false if it is a primitive array. 42 */ 43 boolean writesObjectArray(); 44 45 /** 46 * Returns whether this write is the initialization of the written location. If it is true, the 47 * old value of the memory location is either uninitialized or zero. If it is false, the memory 48 * location is guaranteed to contain a valid value or zero. 49 */ 50 boolean isInitialization(); 51 52 int getElementStride(); 53 54 @Override 55 FixedAccessNode asNode(); 56 }