/* * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 8007294 * @bug 8146999 * @summary ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline -XX:-UseOnStackReplacement -XX:-BackgroundCompilation Test8007294 * */ public class Test8007294 { int i1; int i2; Test8007294(int i1, int i2) { this.i1 = i1; this.i2 = i2; } static int m(int v) { return v; } static Test8007294 test1() { Test8007294 obj = new Test8007294(10, 100); int v1 = obj.i1; int v3 = m(v1); int v2 = obj.i2; obj.i2 = v3; obj.i1 = v2; return obj; } static int test2(int i) { int j = 0; if (i > 0) { j = 1; } int[] arr = new int[10]; arr[0] = 1; arr[1] = 2; int v1 = arr[j]; arr[0] = 3; arr[1] = 4; return v1; } static public void main(String[] args) { boolean failed = false; for (int i = 0; i < 20000; i++) { Test8007294 obj = test1(); if (obj.i1 != 100 || obj.i2 != 10) { System.out.println("FAILED test1 obj.i1 = " + obj.i1 +", obj.i2 = " + obj.i2); failed = true; break; } } for (int i = 0; i < 20000; i++) { test2(0); // pollute profile int res = test2(1); if (res != 2) { System.out.println("FAILED test2 = " + res); failed = true; break; } } if (failed) { System.exit(97); } else { System.out.println("PASSED"); } } }