/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { // This tests a specific situation when condition ends up // not getting materialized if only used by an environment. private static Object obj; private static int useValue(boolean value) { return 42; } private static int runTest(boolean input1) { boolean negation = !input1; // Need the negation to appear in front of an If, and // its condition to disappear. 'javac' will generate // "if (!input1)" here and GVN will collapse the two // conditions. if (input1) { // Generates an environment use of 'negation'. obj = new Object(); } // Uses 'negation' but disappears with inlining. return useValue(negation); } public static void main(String[] args) throws Exception { int result = runTest(true); if (result != 42) { throw new Error("Expected 42, got " + result); } } }