67 lines
2.0 KiB
Java
67 lines
2.0 KiB
Java
|
/*
|
||
|
|
* Copyright (c) 2022, 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 8297384
|
||
|
|
* @summary Test that Ideal transformations of AndINode* are being performed as expected.
|
||
|
|
* @library /test/lib /
|
||
|
|
* @run driver compiler.c2.irTests.AndINodeIdealizationTests
|
||
|
|
*/
|
||
|
|
public class AndINodeIdealizationTests {
|
||
|
|
|
||
|
|
public static void main(String[] args) {
|
||
|
|
TestFramework.run();
|
||
|
|
}
|
||
|
|
|
||
|
|
@Run(test = { "test1" })
|
||
|
|
public void runMethod() {
|
||
|
|
int a = RunInfo.getRandom().nextInt();
|
||
|
|
|
||
|
|
int min = Integer.MIN_VALUE;
|
||
|
|
int max = Integer.MAX_VALUE;
|
||
|
|
|
||
|
|
assertResult(0);
|
||
|
|
assertResult(a);
|
||
|
|
assertResult(min);
|
||
|
|
assertResult(max);
|
||
|
|
}
|
||
|
|
|
||
|
|
@DontCompile
|
||
|
|
public void assertResult(int a) {
|
||
|
|
Asserts.assertEQ((0 - a) & 1, test1(a));
|
||
|
|
}
|
||
|
|
|
||
|
|
@Test
|
||
|
|
@IR(failOn = { IRNode.SUB })
|
||
|
|
@IR(counts = { IRNode.AND, "1" })
|
||
|
|
// Checks (0 - x) & 1 => x & 1
|
||
|
|
public int test1(int x) {
|
||
|
|
return (0 - x) & 1;
|
||
|
|
}
|
||
|
|
}
|