1 /* 2 * Copyright (c) 2015, 2018, 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.loop; 26 27 import org.graalvm.compiler.core.common.type.Stamp; 28 import org.graalvm.compiler.nodes.NodeView; 29 import org.graalvm.compiler.nodes.ValueNode; 30 import org.graalvm.compiler.nodes.calc.IntegerConvertNode; 31 32 public class DerivedConvertedInductionVariable extends DerivedInductionVariable { 33 34 private final Stamp stamp; 35 private final ValueNode value; 36 DerivedConvertedInductionVariable(LoopEx loop, InductionVariable base, Stamp stamp, ValueNode value)37 public DerivedConvertedInductionVariable(LoopEx loop, InductionVariable base, Stamp stamp, ValueNode value) { 38 super(loop, base); 39 this.stamp = stamp; 40 this.value = value; 41 } 42 43 @Override valueNode()44 public ValueNode valueNode() { 45 return value; 46 } 47 48 @Override direction()49 public Direction direction() { 50 return base.direction(); 51 } 52 53 @Override initNode()54 public ValueNode initNode() { 55 return IntegerConvertNode.convert(base.initNode(), stamp, graph(), NodeView.DEFAULT); 56 } 57 58 @Override strideNode()59 public ValueNode strideNode() { 60 return IntegerConvertNode.convert(base.strideNode(), stamp, graph(), NodeView.DEFAULT); 61 } 62 63 @Override isConstantInit()64 public boolean isConstantInit() { 65 return base.isConstantInit(); 66 } 67 68 @Override isConstantStride()69 public boolean isConstantStride() { 70 return base.isConstantStride(); 71 } 72 73 @Override constantInit()74 public long constantInit() { 75 return base.constantInit(); 76 } 77 78 @Override constantStride()79 public long constantStride() { 80 return base.constantStride(); 81 } 82 83 @Override extremumNode(boolean assumeLoopEntered, Stamp s)84 public ValueNode extremumNode(boolean assumeLoopEntered, Stamp s) { 85 return base.extremumNode(assumeLoopEntered, s); 86 } 87 88 @Override exitValueNode()89 public ValueNode exitValueNode() { 90 return IntegerConvertNode.convert(base.exitValueNode(), stamp, graph(), NodeView.DEFAULT); 91 } 92 93 @Override isConstantExtremum()94 public boolean isConstantExtremum() { 95 return base.isConstantExtremum(); 96 } 97 98 @Override constantExtremum()99 public long constantExtremum() { 100 return base.constantExtremum(); 101 } 102 103 @Override deleteUnusedNodes()104 public void deleteUnusedNodes() { 105 } 106 107 @Override toString()108 public String toString() { 109 return String.format("DerivedConvertedInductionVariable base (%s) %s %s", base, value.getNodeClass().shortName(), stamp); 110 } 111 } 112