hotspot/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.nodes.test/src/org/graalvm/compiler/nodes/test/LoopLivenessTest.java

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 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
 * 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package org.graalvm.compiler.nodes.test;

import org.junit.Test;

import org.graalvm.compiler.core.test.GraalCompilerTest;
import org.graalvm.compiler.java.LargeLocalLiveness;
import org.graalvm.compiler.java.SmallLocalLiveness;

public class LoopLivenessTest extends GraalCompilerTest {

    /**
     * Exercise {@link SmallLocalLiveness} with 64 loops.
     */
    public static void manyLoopsSmall() {
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
    }

    /**
     * Exercise {@link LargeLocalLiveness} with 64 loops.
     */
    @SuppressWarnings("unused")
    public static void manyLoopsLarge() {
        int i0;
        int i1;
        int i2;
        int i3;
        int i4;
        int i5;
        int i6;
        int i7;
        int i8;
        int i9;
        int i10;
        int i11;
        int i12;
        int i13;
        int i14;
        int i15;
        int i16;
        int i17;
        int i18;
        int i19;
        int i20;
        int i21;
        int i22;
        int i23;
        int i24;
        int i25;
        int i26;
        int i27;
        int i28;
        int i29;
        int i30;
        int i31;
        int i32;
        int i33;
        int i34;
        int i35;
        int i36;
        int i37;
        int i38;
        int i39;
        int i40;
        int i41;
        int i42;
        int i43;
        int i44;
        int i45;
        int i46;
        int i47;
        int i48;
        int i49;
        int i50;
        int i51;
        int i52;
        int i53;
        int i54;
        int i55;
        int i56;
        int i57;
        int i58;
        int i59;
        int i60;
        int i61;
        int i62;
        int i63;
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
            }
        }
    }

    @Test
    public void testManyLoopsSmall() {
        test("manyLoopsSmall");
    }

    @Test
    public void testManyLoopsLarge() {
        test("manyLoopsLarge");
    }
}