139 lines
4.2 KiB
Java
139 lines
4.2 KiB
Java
/*
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* Copyright (c) 2024, Oracle and/or its affiliates. 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 jdk.test.lib.Asserts;
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import compiler.lib.ir_framework.*;
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/*
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* @test
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* @bug 8322589 8335444
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* @key randomness
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* @summary Test that Ideal transformations of AndLNode* are being performed as expected.
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* @library /test/lib /
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* @run driver compiler.c2.irTests.AndLNodeIdealizationTests
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*/
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public class AndLNodeIdealizationTests {
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public static void main(String[] args) {
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TestFramework.run();
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}
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@Run(test = { "test1", "test2", "test3", "test4", "test5", "test6", "test7", "test8", "test9" })
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public void runMethod() {
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long a = RunInfo.getRandom().nextLong();
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long b = RunInfo.getRandom().nextLong();
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long min = Long.MIN_VALUE;
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long max = Long.MAX_VALUE;
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assertResult(0, 0);
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assertResult(10, 20);
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assertResult(10, -20);
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assertResult(-10, 20);
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assertResult(-10, -20);
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assertResult(a, b);
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assertResult(b, a);
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assertResult(min, min);
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assertResult(max, max);
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}
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@DontCompile
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public void assertResult(long a, long b) {
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Asserts.assertEQ((~a) & (~b), test1(a, b));
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Asserts.assertEQ((a & 15) >= 0, test2(a, b));
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Asserts.assertEQ((a & 15) > 15, test3(a, b));
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Asserts.assertEQ((a & (b >>> 1)) >= 0, test4(a, b));
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Asserts.assertEQ((a & (b >>> 62)) > 3, test5(a, b));
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Asserts.assertEQ(((byte)a & -8L) >= -128, test6(a, b));
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Asserts.assertEQ(((byte)a & -8L) <= 127, test7(a, b));
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Asserts.assertEQ(((a & 255) & (char)b) > 255, test8(a, b));
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Asserts.assertEQ((((a & 1) - 3) & ((b & 2) - 10)) > -8, test9(a, b));
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}
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@Test
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@IR(failOn = { IRNode.AND })
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@IR(counts = { IRNode.OR, "1",
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IRNode.XOR, "1" })
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// Checks (~a) & (~b) => ~(a | b)
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public long test1(long a, long b) {
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return (~a) & (~b);
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}
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@Test
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@IR(failOn = { IRNode.AND })
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// Checks a & 15 => [0, 15]
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public boolean test2(long a, long b) {
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return (a & 15) >= 0;
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}
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@Test
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@IR(failOn = { IRNode.AND })
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// Checks a & 15 => [0, 15]
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public boolean test3(long a, long b) {
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return (a & 15) > 15;
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}
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@Test
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@IR(failOn = { IRNode.AND })
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// Checks a & [0, long_max] => [0, long_max]
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public boolean test4(long a, long b) {
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return (a & (b >>> 1)) >= 0;
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}
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@Test
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@IR(failOn = { IRNode.AND })
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// Checks a & [0, 3] => [0, 3]
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public boolean test5(long a, long b) {
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return (a & (b >>> 62)) > 3;
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}
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@Test
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@IR(failOn = { IRNode.AND })
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// Checks [-128, 127] & -8 => [-128, 127]
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public boolean test6(long a, long b) {
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return ((byte)a & -8L) >= -128;
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}
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@Test
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@IR(failOn = { IRNode.AND })
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// Checks [-128, 127] & -8 => [-128, 127]
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public boolean test7(long a, long b) {
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return ((byte)a & -8L) <= 127;
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}
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@Test
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@IR(failOn = { IRNode.AND })
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// Checks that [0, 255] & [0, 65535] => [0, 255]
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public boolean test8(long a, long b) {
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return ((a & 255) & (char)b) > 255;
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}
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@Test
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@IR(failOn = { IRNode.AND })
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// Checks that [-3, -2] & [-10, -8] => [-16, -8]
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public boolean test9(long a, long b) {
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return (((a & 1) - 3) & ((b & 2) - 10)) > -8;
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}
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}
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