1 /*

     2  * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.

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

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /**

    25  * @test

    26  * @bug 8136421

    27  * @requires vm.jvmci

    28  * @library /test/lib /

    29  * @library ../common/patches

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

    31  * @modules java.base/jdk.internal.org.objectweb.asm

    32  *          java.base/jdk.internal.org.objectweb.asm.tree

    33  *          jdk.vm.ci/jdk.vm.ci.hotspot

    34  *          jdk.vm.ci/jdk.vm.ci.code

    35  *

    36  * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox

    37  * @run driver ClassFileInstaller sun.hotspot.WhiteBox

    38  *                                sun.hotspot.WhiteBox$WhiteBoxPermission

    39  * @run main/othervm -Xbootclasspath/a:.

    40  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI

    41  *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI

    42  *                   compiler.jvmci.compilerToVM.CanInlineMethodTest

    43  */

    44 

    45 package compiler.jvmci.compilerToVM;

    46 

    47 import compiler.jvmci.common.CTVMUtilities;

    48 import jdk.test.lib.Asserts;

    49 import jdk.vm.ci.hotspot.CompilerToVMHelper;

    50 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;

    51 import sun.hotspot.WhiteBox;

    52 

    53 import java.lang.reflect.Executable;

    54 import java.util.ArrayList;

    55 import java.util.Arrays;

    56 import java.util.List;

    57 

    58 public class CanInlineMethodTest {

    59 

    60     private static final WhiteBox WB = WhiteBox.getWhiteBox();

    61 

    62     public static void main(String[] args) {

    63         List<Executable> testCases = createTestCases();

    64         testCases.forEach(CanInlineMethodTest::runSanityTest);

    65     }

    66 

    67     private static void runSanityTest(Executable aMethod) {

    68         HotSpotResolvedJavaMethod method = CTVMUtilities

    69                 .getResolvedMethod(aMethod);

    70         boolean canInline = CompilerToVMHelper.canInlineMethod(method);

    71         boolean expectedCanInline = !WB.testSetDontInlineMethod(aMethod,

    72                 true);

    73         Asserts.assertEQ(canInline, expectedCanInline, "Unexpected initial " +

    74                 "value of property 'can inline'");

    75 

    76         canInline = CompilerToVMHelper.canInlineMethod(method);

    77         Asserts.assertFalse(canInline, aMethod + "Unexpected value of " +

    78                 "property 'can inline' after setting 'do not inline' to true");

    79         WB.testSetDontInlineMethod(aMethod, false);

    80         canInline = CompilerToVMHelper.canInlineMethod(method);

    81         Asserts.assertTrue(canInline, "Unexpected value of " +

    82                 "property 'can inline' after setting 'do not inline' to false");

    83     }

    84 

    85     private static List<Executable> createTestCases() {

    86         List<Executable> testCases = new ArrayList<>();

    87 

    88         Class<?> aClass = DummyClass.class;

    89         testCases.addAll(Arrays.asList(aClass.getDeclaredMethods()));

    90         testCases.addAll(Arrays.asList(aClass.getDeclaredConstructors()));

    91         return testCases;

    92     }

    93 }