test/compiler/intrinsics/mathexact/SplitThruPhiTest.java

changeset 6101
f675976a61e7
parent 0
f90c822e73f8
child 6152
9949533a8623
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/compiler/intrinsics/mathexact/SplitThruPhiTest.java	Tue Nov 12 13:47:57 2013 +0100
     1.3 @@ -0,0 +1,50 @@
     1.4 +/*
     1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug 8028198
    1.30 + * @summary Verify that split through phi does the right thing
    1.31 + * @compile SplitThruPhiTest.java
    1.32 + * @run main SplitThruPhiTest
    1.33 + *
    1.34 + */
    1.35 +
    1.36 +public class SplitThruPhiTest {
    1.37 +  public static volatile int value = 19;
    1.38 +  public static int store = 0;
    1.39 +  public static void main(String[] args) {
    1.40 +    for (int i = 0; i < 150000; ++i) {
    1.41 +      store = runTest(value);
    1.42 +    }
    1.43 +  }
    1.44 +
    1.45 +  public static int runTest(int val) {
    1.46 +    int result = Math.addExact(val, 1);
    1.47 +    int total = 0;
    1.48 +    for (int i = val; i < 200; i = Math.addExact(i, 1)) {
    1.49 +      total += i;
    1.50 +    }
    1.51 +    return total;
    1.52 +  }
    1.53 +}

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