1 /* 2 * Copyright (c) 2016, 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 package runtime.valhalla.valuetypes; 25 26 /* 27 * @test Test8186715 28 * @summary test return of buffered value passed in argument by caller 29 * @library /test/lib 30 * @compile -XDemitQtypes -XDallowWithFieldOperator -XDenableValueTypes Test8186715.java 31 * @run main/othervm -Xint -XX:+EnableValhalla runtime.valhalla.valuetypes.Test8186715 32 * @run main/othervm -XX:+EnableValhalla runtime.valhalla.valuetypes.Test8186715 33 */ 34 35 public class Test8186715 { 36 37 public static void main(String[] args) { 38 MyValueType v = MyValueType.testDefault(); 39 40 for (int i = 0; i < 1000000; i++) { 41 MyValueType.testBranchArg1(false, v); 42 } 43 } 44 } 45 46 value final class MyValueType { 47 final int i; 48 final int j; 49 50 private MyValueType() { 51 i = 0; 52 j = 0; 53 } 54 55 static MyValueType testDefault() { 56 return MyValueType.default; 57 } 58 59 static MyValueType testBranchArg1(boolean flag, MyValueType v1) { 60 if (flag) { 61 v1 = __WithField(v1.i, 3); 62 v1 = __WithField(v1.j, 4); 63 } 64 return v1; 65 } 66 }