115 lines
3.7 KiB
Java
115 lines
3.7 KiB
Java
/*
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* Copyright (c) 2021, Huawei Technologies Co., Ltd. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8261137
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* @requires vm.flavor == "server"
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* @summary Verify that box object identity matches after deoptimization when it is eliminated.
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* @library /test/lib
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*
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* @run main/othervm -Xbatch compiler.eliminateAutobox.TestIdentityWithEliminateBoxInDebugInfo
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*/
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package compiler.eliminateAutobox;
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import jdk.test.lib.Asserts;
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public class TestIdentityWithEliminateBoxInDebugInfo {
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interface TestF {
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void apply(boolean condition);
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}
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public static void helper(TestF f) {
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// warmup
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for (int i = 0; i < 100000; i++) {
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f.apply(true);
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}
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// deoptimize
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f.apply(false);
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}
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public static void runTest() throws Exception {
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helper((c) -> {
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Integer a = Integer.valueOf(42);
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Integer b = Integer.valueOf(-42);
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if (!c) {
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Asserts.assertTrue(a == Integer.valueOf(42));
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Asserts.assertTrue(b == Integer.valueOf(-42));
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}
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});
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helper((c) -> {
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long highBitsOnly = 2L << 40;
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Long a = Long.valueOf(42L);
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Long b = Long.valueOf(-42L);
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Long h = Long.valueOf(highBitsOnly);
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if (!c) {
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Asserts.assertTrue(a == Long.valueOf(42L));
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Asserts.assertTrue(b == Long.valueOf(-42L));
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Asserts.assertFalse(h == Long.valueOf(highBitsOnly));
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}
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});
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helper((c) -> {
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Character a = Character.valueOf('a');
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Character b = Character.valueOf('Z');
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if (!c) {
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Asserts.assertTrue(a == Character.valueOf('a'));
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Asserts.assertTrue(b == Character.valueOf('Z'));
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}
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});
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helper((c) -> {
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Short a = Short.valueOf((short)42);
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Short b = Short.valueOf((short)-42);
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if (!c) {
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Asserts.assertTrue(a == Short.valueOf((short)42));
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Asserts.assertTrue(b == Short.valueOf((short)-42));
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}
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});
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helper((c) -> {
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Byte a = Byte.valueOf((byte)42);
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Byte b = Byte.valueOf((byte)-42);
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if (!c) {
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Asserts.assertTrue(a == Byte.valueOf((byte)42));
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Asserts.assertTrue(b == Byte.valueOf((byte)-42));
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}
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});
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helper((c) -> {
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Boolean a = Boolean.valueOf(true);
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Boolean b = Boolean.valueOf(false);
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if (!c) {
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Asserts.assertTrue(a == Boolean.valueOf(true));
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Asserts.assertTrue(b == Boolean.valueOf(false));
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}
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});
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}
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public static void main(String[] args) throws Exception {
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runTest();
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}
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}
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