1/*
2 * Copyright (c) 2013, 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 NonTieredLevelsTest
26 * @summary Verify that only one level can be used
27 * @library /test/lib /
28 * @modules java.base/jdk.internal.misc
29 *          java.management
30 * @requires vm.opt.TieredStopAtLevel==null
31 * @build sun.hotspot.WhiteBox
32 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
33 *                                sun.hotspot.WhiteBox$WhiteBoxPermission
34 * @run main/othervm -Xbootclasspath/a:. -XX:-TieredCompilation
35 *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-UseCounterDecay
36 *                   -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::*
37 *                   compiler.tiered.NonTieredLevelsTest
38 */
39
40package compiler.tiered;
41
42import java.util.function.IntPredicate;
43import compiler.whitebox.CompilerWhiteBoxTest;
44import jdk.test.lib.Platform;
45
46public class NonTieredLevelsTest extends CompLevelsTest {
47    private static final int AVAILABLE_COMP_LEVEL;
48    private static final IntPredicate IS_AVAILABLE_COMPLEVEL;
49    static {
50        if (Platform.isServer() && !Platform.isEmulatedClient()) {
51            AVAILABLE_COMP_LEVEL = COMP_LEVEL_FULL_OPTIMIZATION;
52            IS_AVAILABLE_COMPLEVEL = x -> x == COMP_LEVEL_FULL_OPTIMIZATION;
53        } else if (Platform.isClient() || Platform.isMinimal() || Platform.isEmulatedClient()) {
54            AVAILABLE_COMP_LEVEL = COMP_LEVEL_SIMPLE;
55            IS_AVAILABLE_COMPLEVEL = x -> x == COMP_LEVEL_SIMPLE;
56        } else {
57            throw new Error("TESTBUG: unknown VM: " + Platform.vmName);
58        }
59
60    }
61    public static void main(String[] args) throws Exception {
62        if (CompilerWhiteBoxTest.skipOnTieredCompilation(true)) {
63            return;
64        }
65        CompilerWhiteBoxTest.main(NonTieredLevelsTest::new, args);
66    }
67
68    private NonTieredLevelsTest(TestCase testCase) {
69        super(testCase);
70        // to prevent inlining of #method
71        WHITE_BOX.testSetDontInlineMethod(method, true);
72    }
73
74    @Override
75    protected void test() throws Exception {
76        if (skipXcompOSR()) {
77          return;
78        }
79        checkNotCompiled();
80        compile();
81        checkCompiled();
82
83        int compLevel = getCompLevel();
84        checkLevel(AVAILABLE_COMP_LEVEL, compLevel);
85        int bci = WHITE_BOX.getMethodEntryBci(method);
86        deoptimize();
87        if (!testCase.isOsr()) {
88            for (int level = 1; level <= COMP_LEVEL_MAX; ++level) {
89                if (IS_AVAILABLE_COMPLEVEL.test(level)) {
90                    testAvailableLevel(level, bci);
91                } else {
92                    testUnavailableLevel(level, bci);
93                }
94            }
95        } else {
96            System.out.println("skip other levels testing in OSR");
97            testAvailableLevel(AVAILABLE_COMP_LEVEL, bci);
98        }
99    }
100}
101
102