93 lines
2.6 KiB
Java
93 lines
2.6 KiB
Java
/*
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* Copyright (c) 2024, 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 compiler.c2.irTests;
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import compiler.lib.ir_framework.*;
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import jdk.test.lib.Asserts;
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/*
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* @test
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* @bug 8321308
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* @summary AArch64: Fix matching predication for cbz/cbnz
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* @requires os.arch=="aarch64"
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* @library /test/lib /
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* @run driver compiler.c2.irTests.TestArrLenCheckOptimization
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*/
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public class TestArrLenCheckOptimization {
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int result = 0;
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@Test
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@IR(counts = {IRNode.CBZW_LS, "1"})
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void test_le_int(int ia[]) {
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result += ia[0];
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}
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@Test
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@IR(counts = {IRNode.CBNZW_HI, "1"})
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void test_gt_int(int ia[]) {
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if (ia.length > 0) {
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result += 0x88;
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} else {
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result -= 1;
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}
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}
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@Test
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@IR(counts = {IRNode.CBZ_LS, "1"})
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void test_le_long(int ia[]) {
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if (Long.compareUnsigned(ia.length, 0) > 0) {
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result += 0x80;
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} else {
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result -= 1;
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}
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}
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@Test
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@IR(counts = {IRNode.CBZ_HI, "1"})
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void test_gt_long(int ia[]) {
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if (Long.compareUnsigned(ia.length, 0) > 0) {
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result += 0x82;
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} else {
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result -= 1;
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}
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}
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@Run(test = {"test_le_int", "test_gt_int", "test_le_long", "test_gt_long"},
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mode = RunMode.STANDALONE)
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public void test_runner() {
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for (int i = 0; i < 10_000; i++) {
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test_le_int(new int[1]);
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test_gt_int(new int[0]);
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test_le_long(new int[1]);
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test_gt_long(new int[0]);
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}
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}
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public static void main(String [] args) {
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TestFramework.run();
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}
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}
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