src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.aarch64.test/src/org/graalvm/compiler/core/aarch64/test/AArch64CbzTest.java
/*
* Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2018, Arm Limited. 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 org.graalvm.compiler.core.aarch64.test;
import org.graalvm.compiler.lir.LIRInstruction;
import org.graalvm.compiler.lir.aarch64.AArch64ControlFlow;
import org.junit.Test;
import java.util.function.Predicate;
public class AArch64CbzTest extends AArch64MatchRuleTest {
private static final Predicate<LIRInstruction> predicate = op -> (op instanceof AArch64ControlFlow.CompareBranchZeroOp);
public static int equalsTo(int x) {
if (x == 0) {
return 1;
} else {
return x - 1;
}
}
public static int notEqualsTo(int x) {
if (x != 0) {
return x + 2;
} else {
return 3;
}
}
public static String isNull(String s) {
if (s == null) {
return "abc";
} else {
return s + "abc";
}
}
public static String isNotNull(String s) {
if (s != null) {
return s + "abc";
} else {
return "abc";
}
}
public static String objectEquals(String s1, String s2) {
if (s1.equals(s2)) {
return s1 + "abc";
} else {
return s2 + "abd";
}
}
@Test
public void testEqualsTo() {
test("equalsTo", 0);
test("equalsTo", 1);
checkLIR("equalsTo", predicate, 1);
}
@Test
public void testNotEqualsTo() {
test("notEqualsTo", 0);
test("notEqualsTo", 1);
checkLIR("notEqualsTo", predicate, 1);
}
@Test
public void testIsNull() {
test("isNull", new Object[]{null});
test("isNull", "abc");
checkLIR("isNull", predicate, 1);
}
@Test
public void testIsNotNull() {
test("isNotNull", new Object[]{null});
test("isNotNull", "abc");
checkLIR("isNotNull", predicate, 1);
}
@Test
public void testObjectEquals() {
test("objectEquals", "ab", "ac");
test("objectEquals", "abc", "abc");
checkLIR("objectEquals", predicate, 0);
}
}