src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/NestedArithmeticTest.java

/*
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 * 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.
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package org.graalvm.compiler.core.test;

import org.junit.Test;

public class NestedArithmeticTest extends GraalCompilerTest {
    public static int runNestedLoopTry() {
        int checksum = 0;
        int i3 = 240;
        int i5 = 13485;
        for (int i4 = 303; i4 > 15; i4 -= 2) {
            int f = 1;
            do {
                try {
                    i3 = (38726 / i5);
                    i3 = (i4 % -21500);
                    i5 = (i3 % 787);
                } catch (ArithmeticException a_e) {
                    checksum += f + i3 + i5;
                    return checksum;
                }
                i3 <<= i4;
                i5 <<= i5;
                i3 += (8 + (f * f));
                i5 >>= i5;
                checksum += f;
            } while (++f < 11);
        }
        return checksum;
    }

    @Test
    public void nestedLoopTryTest() {
        test("runNestedLoopTry");
    }

    private interface FloatSupplier {
        float get();
    }

    private static volatile FloatSupplier problematicFloatValue = new FloatSupplier() {
        @Override
        public float get() {
            return Float.intBitsToFloat(1585051832);
        }
    };

    @SuppressWarnings("unused") private static volatile FloatSupplier normalFloatValue = new FloatSupplier() {
        @Override
        public float get() {
            return 0;
        }
    };

    public static int absConvert() {
        int i2 = -51498;
        int i16 = -12;
        int i17 = -121;
        int i18 = 1;
        int i19 = 11;
        long l1 = -275151857L;
        for (int i1 = 21; 22 > i1; ++i1) {
            float f = problematicFloatValue.get();
            float absolute = Math.abs(f);
            i2 = (int) absolute;
            i2 += i2;
        }
        long result = i2 + l1 + i16 + i17 + i18 + i19;
        return (int) result;
    }

    @Test
    public void absConvertTest() {
        test("absConvert");
    }
}