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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package compiler.c2.irTests;

import jdk.test.lib.Asserts;
import compiler.lib.ir_framework.*;

/*
 * @test
 * @bug 8297384
 * @summary Test that Ideal transformations of RotateLeftNode* are being performed as expected.
 * @library /test/lib /
 * @run driver compiler.c2.irTests.RotateLeftNodeLongIdealizationTests
 * @requires os.arch == "x86_64" | os.arch == "aarch64" | (os.arch == "riscv64" & vm.opt.UseZbb == true)
 */
public class RotateLeftNodeLongIdealizationTests {

    public static void main(String[] args) {
        TestFramework.run();
    }

    @Run(test = { "test1" })
    public void runMethod() {
        long a = RunInfo.getRandom().nextInt();

        long min = Long.MIN_VALUE;
        long max = Long.MAX_VALUE;

        assertResult(0);
        assertResult(a);
        assertResult(min);
        assertResult(max);
    }

    @DontCompile
    public void assertResult(long a) {
        Asserts.assertEQ(Long.rotateLeft(a, 2022), test1(a));
    }

    @Test
    @IR(failOn = { IRNode.ROTATE_LEFT })
    @IR(counts = { IRNode.ROTATE_RIGHT, "1" })
    // Checks Long.rotateLeft(x, 2022) => Long.rotateRight(x, C) where C = 64 - (2022 & 63)
    public long test1(long x) {
        return Long.rotateLeft(x, 2022);
    }
}