/* * Copyright (c) 2022, 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. */ package compiler.c2.irTests; import compiler.lib.ir_framework.*; /* * @test * @bug 8295066 * @summary Test various scalarization scenarios * @library /test/lib / * @run driver compiler.c2.irTests.TestScalarReplacement */ public class TestScalarReplacement { public static void main(String[] args) { TestFramework.run(); } static class X1 { int x = 42; } @Test @IR(failOn = { IRNode.ALLOC }) public static int test1() { X1[] array = new X1[1]; array[0] = new X1(); return array[0].x; } static class X2 { int x = 42; int y = 43; public int hash() { return x + y; } } static final class ObjectWrapper { public Object obj; public ObjectWrapper(Object obj) { this.obj = obj; } } @Test @IR(failOn = { IRNode.ALLOC }) public static int test2(X2 obj) { ObjectWrapper val = new ObjectWrapper(obj); for (int i = 0; i < 10; ++i) { for (int j = 0; j < 10; ++j) { val.obj = val.obj; } } return ((X2)val.obj).hash(); } @Run(test = "test2") public static void test2_runner() { X2 obj = new X2(); test2(obj); } }