1 /* 2 * Copyright (c) 2015, 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 package jdk.test.lib.jittester.factories; 25 26 import jdk.test.lib.Pair; 27 import jdk.test.lib.jittester.BinaryOperator; 28 import jdk.test.lib.jittester.IRNode; 29 import jdk.test.lib.jittester.OperatorKind; 30 import jdk.test.lib.jittester.ProductionFailedException; 31 import jdk.test.lib.jittester.SymbolTable; 32 import jdk.test.lib.jittester.Type; 33 import jdk.test.lib.jittester.TypeList; 34 import jdk.test.lib.jittester.types.TypeKlass; 35 import jdk.test.lib.jittester.utils.PseudoRandom; 36 37 public class BinaryLogicOperatorFactory extends BinaryOperatorFactory { 38 BinaryLogicOperatorFactory(OperatorKind opKind, long complexityLimit, int operatorLimit, 39 TypeKlass ownerClass, Type resultType, boolean exceptionSafe, boolean noconsts) { 40 super(opKind, complexityLimit, operatorLimit, ownerClass, resultType, exceptionSafe, noconsts); 41 } 42 43 @Override 44 protected boolean isApplicable(Type resultType) { 45 return resultType.equals(TypeList.BOOLEAN); 46 } 47 48 @Override 49 protected Pair<Type, Type> generateTypes() { 50 return new Pair<>(resultType, resultType); 51 } 52 53 @Override 54 protected BinaryOperator generateProduction(Type leftType, Type rightType) throws ProductionFailedException { 55 int leftOpLimit = (int) (PseudoRandom.random() * (operatorLimit - 1)); 56 int rightOpLimit = operatorLimit - 1 - leftOpLimit; 57 long leftComplLimit = (long) (PseudoRandom.random() * (complexityLimit - 1)); 58 long rightComplLimit = complexityLimit - 1 - leftComplLimit; 59 if (leftOpLimit == 0 || rightOpLimit == 0 || leftComplLimit == 0 || rightComplLimit == 0) { 60 throw new ProductionFailedException(); 61 } 62 boolean swap = PseudoRandom.randomBoolean(); 63 IRNodeBuilder builder = new IRNodeBuilder().setOwnerKlass((TypeKlass) ownerClass) 64 .setExceptionSafe(exceptionSafe); 65 IRNode leftOperand = builder.setComplexityLimit(leftComplLimit) 66 .setOperatorLimit(leftOpLimit) 67 .setResultType(leftType) 68 .setNoConsts(swap && noconsts) 69 .getExpressionFactory() 70 .produce(); 71 // Right branch won't necessarily execute. Ignore initalization performed in it. 72 SymbolTable.push(); 73 IRNode rightOperand; 74 try { 75 rightOperand = builder.setComplexityLimit(rightComplLimit) 76 .setOperatorLimit(rightOpLimit) 77 .setResultType(rightType) 78 .setNoConsts(!swap && noconsts) 79 .getExpressionFactory() 80 .produce(); 81 } finally { 82 SymbolTable.pop(); 83 } 84 return new BinaryOperator(opKind, resultType, leftOperand, rightOperand); 85 } 86 }