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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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 *

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 * 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

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 *

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 * 2 along with this work; if not, write to the Free Software Foundation,

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/**

 * @test

 * @bug 5057225

 * @summary Remove useless I2L conversions

 * @modules java.base/jdk.internal.misc

 * @library /test/lib

 *

 * @run main/othervm -Xcomp

 *      -XX:CompileCommand=compileonly,compiler.c2.Test5057225::doload

 *      compiler.c2.Test5057225

 */

package compiler.c2;

import jdk.test.lib.Utils;

public class Test5057225 {

    static byte[]  ba = new byte[]  { -1 };

    static short[] sa = new short[] { -1 };

    static int[]   ia = new int[]   { -1 };

    static final long[] BYTE_MASKS = {

         0x0FL,

         0x7FL,  // 7-bit

         0xFFL,

    };

    static final long[] SHORT_MASKS = {

        0x000FL,

        0x007FL,  // 7-bit

        0x00FFL,

        0x0FFFL,

        0x3FFFL,  // 14-bit

        0x7FFFL,  // 15-bit

        0xFFFFL,

    };

    static final long[] INT_MASKS = {

        0x0000000FL,

        0x0000007FL,  // 7-bit

        0x000000FFL,

        0x00000FFFL,

        0x00003FFFL,  // 14-bit

        0x00007FFFL,  // 15-bit

        0x0000FFFFL,

        0x00FFFFFFL,

        0x7FFFFFFFL,  // 31-bit

        0xFFFFFFFFL,

    };

    public static void main(String[] args) throws Exception {

        for (int i = 0; i < BYTE_MASKS.length; i++) {

            System.setProperty("value", "" + BYTE_MASKS[i]);

            loadAndRunClass(Test5057225.class.getName() + "$loadUB2L");

        }

        for (int i = 0; i < SHORT_MASKS.length; i++) {

            System.setProperty("value", "" + SHORT_MASKS[i]);

            loadAndRunClass(Test5057225.class.getName() + "$loadUS2L");

        }

        for (int i = 0; i < INT_MASKS.length; i++) {

            System.setProperty("value", "" + INT_MASKS[i]);

            loadAndRunClass(Test5057225.class.getName() + "$loadUI2L");

        }

    }

    static void check(long result, long expected) {

        if (result != expected)

            throw new InternalError(result + " != " + expected);

    }

    static void loadAndRunClass(String classname) throws Exception {

        Class cl = Class.forName(classname);

        ClassLoader apploader = cl.getClassLoader();

        ClassLoader loader

                = Utils.getTestClassPathURLClassLoader(apploader.getParent());

        Class c = loader.loadClass(classname);

        Runnable r = (Runnable) c.newInstance();

        r.run();

    }

    public static class loadUB2L implements Runnable {

        static final long MASK;

        static {

            long value = 0;

            try {

                value = Long.decode(System.getProperty("value"));

            } catch (Throwable e) {}

            MASK = value;

        }

        public void run() { check(doload(ba), MASK); }

        static long doload(byte[] ba) { return ba[0] & MASK; }

    }

    public static class loadUS2L implements Runnable {

        static final long MASK;

        static {

            long value = 0;

            try {

                value = Long.decode(System.getProperty("value"));

            } catch (Throwable e) {}

            MASK = value;

        }

        public void run() { check(doload(sa), MASK); }

        static long doload(short[] sa) { return sa[0] & MASK; }

    }

    public static class loadUI2L implements Runnable {

        static final long MASK;

        static {

            long value = 0;

            try {

                value = Long.decode(System.getProperty("value"));

            } catch (Throwable e) {}

            MASK = value;

        }

        public void run() { check(doload(ia), MASK); }

        static long doload(int[] ia) { return ia[0] & MASK; }

    }

}