test/hotspot/jtreg/compiler/c2/Test8007294.java
author erikj
Tue, 12 Sep 2017 19:03:39 +0200
changeset 47216 71c04702a3d5
parent 40059 hotspot/test/compiler/c2/Test8007294.java@c2304140ed64
permissions -rw-r--r--
8187443: Forest Consolidation: Move files to unified layout Reviewed-by: darcy, ihse
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
15813
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
     1
/*
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
     2
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
     4
 *
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
     7
 * published by the Free Software Foundation.
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
     8
 *
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    13
 * accompanied this code).
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    14
 *
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    18
 *
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    21
 * questions.
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    22
 */
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    23
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    24
/*
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    25
 * @test
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    26
 * @bug 8007294
35578
33d25acfb1fd 8146999: hotspot/test/compiler/c2/8007294/Test8007294.java test nightly failure
roland
parents: 27699
diff changeset
    27
 * @bug 8146999
15813
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    28
 * @summary ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    29
 *
40059
c2304140ed64 8132919: Put compiler tests in packages
tpivovarova
parents: 35578
diff changeset
    30
 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline
c2304140ed64 8132919: Put compiler tests in packages
tpivovarova
parents: 35578
diff changeset
    31
 *      -XX:-UseOnStackReplacement -XX:-BackgroundCompilation
c2304140ed64 8132919: Put compiler tests in packages
tpivovarova
parents: 35578
diff changeset
    32
 *      compiler.c2.Test8007294
15813
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    33
 */
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    34
40059
c2304140ed64 8132919: Put compiler tests in packages
tpivovarova
parents: 35578
diff changeset
    35
package compiler.c2;
c2304140ed64 8132919: Put compiler tests in packages
tpivovarova
parents: 35578
diff changeset
    36
15813
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    37
public class Test8007294 {
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    38
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    39
    int i1;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    40
    int i2;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    41
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    42
    Test8007294(int i1, int i2) {
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    43
        this.i1 = i1;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    44
        this.i2 = i2;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    45
    }
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    46
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    47
    static int m(int v) {
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    48
        return v;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    49
    }
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    50
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    51
    static Test8007294 test1() {
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    52
        Test8007294 obj = new Test8007294(10, 100);
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    53
        int v1 = obj.i1;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    54
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    55
        int v3 = m(v1);
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    56
        int v2 = obj.i2;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    57
        obj.i2 = v3;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    58
        obj.i1 = v2;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    59
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    60
        return obj;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    61
    }
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    62
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    63
    static int test2(int i) {
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    64
        int j = 0;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    65
        if (i > 0) {
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    66
            j = 1;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    67
        }
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    68
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    69
        int[] arr = new int[10];
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    70
        arr[0] = 1;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    71
        arr[1] = 2;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    72
        int v1 = arr[j];
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    73
        arr[0] = 3;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    74
        arr[1] = 4;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    75
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    76
        return v1;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    77
    }
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    78
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    79
    static public void main(String[] args) {
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    80
        boolean failed = false;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    81
        for (int i = 0; i < 20000; i++) {
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    82
            Test8007294 obj = test1();
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    83
            if (obj.i1 != 100 || obj.i2 != 10) {
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    84
                System.out.println("FAILED test1 obj.i1 = " + obj.i1 +", obj.i2 = " + obj.i2);
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    85
                failed = true;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    86
                break;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    87
            }
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    88
        }
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    89
        for (int i = 0; i < 20000; i++) {
35578
33d25acfb1fd 8146999: hotspot/test/compiler/c2/8007294/Test8007294.java test nightly failure
roland
parents: 27699
diff changeset
    90
            test2(0);  // pollute profile
15813
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    91
            int res = test2(1);
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    92
            if (res != 2) {
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    93
                System.out.println("FAILED test2 = " + res);
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    94
                failed = true;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    95
                break;
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    96
            }
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    97
        }
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    98
        if (failed) {
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
    99
            System.exit(97);
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
   100
        } else {
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
   101
            System.out.println("PASSED");
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
   102
        }
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
   103
    }
6efd4c793e47 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
roland
parents:
diff changeset
   104
}