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/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2018, Arm Limited. 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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package org.graalvm.compiler.core.aarch64.test;
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import org.graalvm.compiler.lir.LIRInstruction;
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import org.graalvm.compiler.lir.aarch64.AArch64ControlFlow;
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import org.junit.Test;
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import java.util.function.Predicate;
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public class AArch64CbzTest extends AArch64MatchRuleTest {
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private static final Predicate<LIRInstruction> predicate = op -> (op instanceof AArch64ControlFlow.CompareBranchZeroOp);
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public static int equalsTo(int x) {
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if (x == 0) {
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return 1;
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} else {
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return x - 1;
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}
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}
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public static int notEqualsTo(int x) {
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if (x != 0) {
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return x + 2;
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} else {
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return 3;
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}
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}
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public static String isNull(String s) {
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if (s == null) {
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return "abc";
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} else {
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return s + "abc";
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}
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}
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public static String isNotNull(String s) {
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if (s != null) {
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return s + "abc";
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} else {
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return "abc";
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}
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}
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public static String objectEqualsNull(String s1, String s2) {
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if (s1.equals(null)) {
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return s1 + "abc";
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} else {
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return s2 + "abd";
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}
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}
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public static String objectEquals(String s1, String s2) {
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if (s1.equals(s2)) {
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return s1 + "abc";
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} else {
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return s2 + "abd";
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}
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}
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@Test
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public void testEqualsTo() {
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test("equalsTo", 0);
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test("equalsTo", 1);
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checkLIR("equalsTo", predicate, 1);
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}
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@Test
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public void testNotEqualsTo() {
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test("notEqualsTo", 0);
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test("notEqualsTo", 1);
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checkLIR("notEqualsTo", predicate, 1);
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}
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@Test
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public void testIsNull() {
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test("isNull", new Object[]{null});
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test("isNull", "abc");
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checkLIR("isNull", predicate, 1);
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}
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@Test
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public void testIsNotNull() {
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test("isNotNull", new Object[]{null});
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test("isNotNull", "abc");
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checkLIR("isNotNull", predicate, 1);
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}
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@Test
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public void testObjectEqualsNull() {
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test("objectEqualsNull", "ab", "ac");
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test("objectEqualsNull", "abc", "abc");
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checkLIR("objectEqualsNull", predicate, 1);
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}
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@Test
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public void testObjectEquals() {
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test("objectEquals", "ab", "ac");
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test("objectEquals", "abc", "abc");
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checkLIR("objectEquals", predicate, 0);
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}
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}
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