/* * Copyright (c) 2024, Oracle and/or its affiliates. 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 compiler.c2.irTests; import jdk.test.lib.Asserts; import compiler.lib.ir_framework.*; /* * @test * @bug 8322077 * @summary Test that Ideal transformations of OrINode* are being performed as expected. * @library /test/lib / * @run driver compiler.c2.irTests.OrINodeIdealizationTests */ public class OrINodeIdealizationTests { public static void main(String[] args) { TestFramework.run(); } @Run(test = { "test1" }) public void runMethod() { int a = RunInfo.getRandom().nextInt(); int b = RunInfo.getRandom().nextInt(); int min = Integer.MIN_VALUE; int max = Integer.MAX_VALUE; assertResult(0, 0); assertResult(a, b); assertResult(min, min); assertResult(max, max); } @DontCompile public void assertResult(int a, int b) { Asserts.assertEQ((~a) | (~b), test1(a, b)); } // Checks (~a) | (~b) => ~(a & b) @Test @IR(failOn = { IRNode.OR }) @IR(counts = { IRNode.AND, "1", IRNode.XOR, "1" }) public int test1(int a, int b) { return (~a) | (~b); } }