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107 lines
3.4 KiB
Java
107 lines
3.4 KiB
Java
/*
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* Copyright (c) 2022, Red Hat, Inc. 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.Utils;
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import java.util.Random;
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import java.util.Objects;
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/*
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* @test
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* @bug 8288022
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* @key randomness
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* @summary c2: Transform (CastLL (AddL into (AddL (CastLL when possible
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* @library /test/lib /
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* @run driver compiler.c2.irTests.TestPushAddThruCast
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*/
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public class TestPushAddThruCast {
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private static final Random RANDOM = Utils.getRandomInstance();
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public static void main(String[] args) {
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TestFramework.run();
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}
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final static int length = RANDOM.nextInt(5, Integer.MAX_VALUE);
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final static long llength = RANDOM.nextInt(2, Integer.MAX_VALUE);
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static int i;
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static long l;
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@Test
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@IR(counts = { IRNode.CAST_II, "2" })
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public static int test1() {
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int j = Objects.checkIndex(i, length);
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int k = Objects.checkIndex(i + 1, length);
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return j + k;
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}
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@Run(test = "test1")
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public static void test1_runner() {
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i = RANDOM.nextInt(length-1);
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int res = test1();
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if (res != i * 2 + 1) {
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throw new RuntimeException("incorrect result: " + res);
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}
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}
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@Test
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@IR(counts = { IRNode.CAST_LL, "2" })
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public static long test2() {
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long j = Objects.checkIndex(l, llength);
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long k = Objects.checkIndex(l + 1, llength);
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return j + k;
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}
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@Run(test = "test2")
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public static void test2_runner() {
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l = RANDOM.nextInt(((int)llength)-1);
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long res = test2();
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if (res != l * 2 + 1) {
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throw new RuntimeException("incorrect result: " + res);
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}
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}
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// Test commoning of Casts after loop opts when they are at the same control
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@Test
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@IR(phase = CompilePhase.ITER_GVN1, counts = { IRNode.CAST_II, "4" })
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@IR(phase = CompilePhase.OPTIMIZE_FINISHED, counts = { IRNode.CAST_II, "2" })
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public static int test3() {
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int j = Objects.checkIndex(i - 3, length);
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j += Objects.checkIndex(i, length);
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j += Objects.checkIndex(i - 2, length);
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j += Objects.checkIndex(i - 1, length);
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return j;
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}
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@Run(test = "test3")
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public static void test3_runner() {
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i = RANDOM.nextInt(3, length - 1);
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int res = test3();
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if (res != i * 4 - 6) {
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throw new RuntimeException("incorrect result: " + res + " for i = " + i);
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}
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}
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}
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