HasCompiledCodeForOSRTest.java revision 9111:a41fe5ffa839 
1/*
2 * Copyright (c) 2015, 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/**
26 * @test
27 * @bug 8136421
28 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
29 * @library /testlibrary /../../test/lib /
30 * @compile ../common/CompilerToVMHelper.java
31 * @build sun.hotspot.WhiteBox
32 * @run main ClassFileInstaller sun.hotspot.WhiteBox
33 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
34 *                              jdk.vm.ci.hotspot.CompilerToVMHelper
35 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
36 *      -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
37 *      -XX:-BackgroundCompilation
38 *      compiler.jvmci.compilerToVM.HasCompiledCodeForOSRTest
39 */
40
41package compiler.jvmci.compilerToVM;
42
43import compiler.jvmci.common.CTVMUtilities;
44
45import java.lang.reflect.Executable;
46import java.lang.reflect.Method;
47import java.util.ArrayList;
48import java.util.HashMap;
49import java.util.List;
50import java.util.Map;
51
52import compiler.testlibrary.CompilerUtils;
53import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl;
54import jdk.vm.ci.hotspot.CompilerToVMHelper;
55import jdk.test.lib.Asserts;
56import sun.hotspot.WhiteBox;
57import sun.hotspot.code.NMethod;
58
59public class HasCompiledCodeForOSRTest {
60    public static void main(String[] args) {
61        List<CompileCodeTestCase>testCases = createTestCases();
62        testCases.forEach(HasCompiledCodeForOSRTest::runSanityTest);
63    }
64
65    public static List<CompileCodeTestCase> createTestCases() {
66        List<CompileCodeTestCase> testCases = new ArrayList<>();
67
68        try {
69            Class<?> aClass = DummyClass.class;
70            testCases.add(new CompileCodeTestCase(
71                    aClass.getMethod("withLoop"), 17));
72        } catch (NoSuchMethodException e) {
73            throw new Error("TEST BUG : " + e.getMessage(), e);
74        }
75        return testCases;
76    }
77
78    private static void runSanityTest(CompileCodeTestCase testCase) {
79        System.out.println(testCase);
80        Executable aMethod = testCase.executable;
81        HotSpotResolvedJavaMethodImpl method = CTVMUtilities
82                .getResolvedMethod(aMethod);
83        testCase.deoptimize();
84        int[] levels = CompilerUtils.getAvailableCompilationLevels();
85        // not compiled
86        for (int level : levels) {
87            boolean isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
88                    method, testCase.bci, level);
89            Asserts.assertFalse(isCompiled, String.format(
90                    "%s : unexpected return value for non-compiled method at "
91                            + "level %d", testCase, level));
92        }
93        NMethod nm = testCase.compile();
94        if (nm == null) {
95            throw new Error(String.format(
96                    "TEST BUG : %s : cannot compile method", testCase));
97        }
98
99        boolean isCompiled;
100        int level = nm.comp_level;
101        for (int i : levels) {
102            isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
103                    method, testCase.bci, i);
104            Asserts.assertEQ(isCompiled, level == i, String.format(
105                    "%s : unexpected return value for compiled method at "
106                            + "level %d", testCase, i));
107        }
108
109        for (int i : new int[] {-1, +1}) {
110            int bci = testCase.bci + i;
111            isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
112                    method, bci, level);
113            Asserts.assertFalse(isCompiled, String.format(
114                    "%s : unexpected return value for compiled method at "
115                            + "level %d with bci = %d ",
116                    testCase, level, bci));
117        }
118    }
119}
120