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.internal.vm.ci/jdk.vm.ci.hotspot
34 *          jdk.internal.vm.ci/jdk.vm.ci.code
35 *
36 * @build jdk.internal.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 *                   -XX:-BackgroundCompilation
43 *                   compiler.jvmci.compilerToVM.HasCompiledCodeForOSRTest
44 */
45
46package compiler.jvmci.compilerToVM;
47
48import compiler.jvmci.common.CTVMUtilities;
49import compiler.testlibrary.CompilerUtils;
50import jdk.test.lib.Asserts;
51import jdk.test.lib.Utils;
52import jdk.vm.ci.hotspot.CompilerToVMHelper;
53import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
54import sun.hotspot.code.NMethod;
55
56import java.lang.reflect.Executable;
57import java.util.ArrayList;
58import java.util.List;
59
60public class HasCompiledCodeForOSRTest {
61    public static void main(String[] args) {
62        List<CompileCodeTestCase> testCases = createTestCases();
63        testCases.forEach(HasCompiledCodeForOSRTest::runSanityTest);
64    }
65
66    public static List<CompileCodeTestCase> createTestCases() {
67        List<CompileCodeTestCase> testCases = new ArrayList<>();
68
69        try {
70            Class<?> aClass = DummyClass.class;
71            Object receiver = new DummyClass();
72            testCases.add(new CompileCodeTestCase(receiver,
73                    aClass.getMethod("withLoop"), 17));
74        } catch (NoSuchMethodException e) {
75            throw new Error("TEST BUG : " + e.getMessage(), e);
76        }
77        return testCases;
78    }
79
80    private static void runSanityTest(CompileCodeTestCase testCase) {
81        System.out.println(testCase);
82        Executable aMethod = testCase.executable;
83        HotSpotResolvedJavaMethod method = CTVMUtilities
84                .getResolvedMethod(aMethod);
85        testCase.invoke(Utils.getNullValues(aMethod.getParameterTypes()));
86        testCase.deoptimize();
87        int[] levels = CompilerUtils.getAvailableCompilationLevels();
88        // not compiled
89        for (int level : levels) {
90            boolean isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
91                    method, testCase.bci, level);
92            Asserts.assertFalse(isCompiled, String.format(
93                    "%s : unexpected return value for non-compiled method at "
94                            + "level %d", testCase, level));
95        }
96        NMethod nm = testCase.compile();
97        if (nm == null) {
98            throw new Error(String.format(
99                    "TEST BUG : %s : cannot compile method", testCase));
100        }
101
102        boolean isCompiled;
103        int level = nm.comp_level;
104        int[] someLevels = new int[] {-4, 0, 1, 2, 3, 4, 5, 45};
105        // check levels
106        for (int i : someLevels) {
107            isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
108                    method, testCase.bci, i);
109            Asserts.assertEQ(isCompiled, level == i, String.format(
110                    "%s : unexpected return value for compiled method at "
111                            + "level %d", testCase, i));
112        }
113
114        // check bci
115        byte[] bytecode = CompilerToVMHelper.getBytecode(CTVMUtilities
116                .getResolvedMethod(testCase.executable));
117        int[] incorrectBci = new int[] {
118                testCase.bci + 1,
119                testCase.bci - 1,
120                -200,
121                -10,
122                bytecode.length,
123                bytecode.length + 1,
124                bytecode.length + 4,
125                bytecode.length + 200
126        };
127        for (int bci : incorrectBci) {
128            isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
129                    method, bci, level);
130            Asserts.assertFalse(isCompiled, String.format(
131                    "%s : unexpected return value for compiled method at "
132                            + "level %d with bci = %d ",
133                    testCase, level, bci));
134        }
135    }
136}
137