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 TieredLevelsTest
26 * @summary Verify that all levels < 'TieredStopAtLevel' can be used
27 * @library /test/lib /
28 * @modules java.base/jdk.internal.misc
29 *          java.management
30 *
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.TieredLevelsTest
38 */
39
40package compiler.tiered;
41
42import compiler.whitebox.CompilerWhiteBoxTest;
43
44public class TieredLevelsTest extends CompLevelsTest {
45    public static void main(String[] args) throws Throwable {
46        if (CompilerWhiteBoxTest.skipOnTieredCompilation(false)) {
47            return;
48        }
49        CompilerWhiteBoxTest.main(TieredLevelsTest::new, args);
50    }
51
52    protected TieredLevelsTest(TestCase testCase) {
53        super(testCase);
54        // to prevent inlining of #method
55        WHITE_BOX.testSetDontInlineMethod(method, true);
56    }
57
58    @Override
59    protected void test() throws Exception {
60        if (skipXcompOSR()) {
61          return;
62        }
63        checkNotCompiled();
64        compile();
65        checkCompiled();
66
67        int compLevel = getCompLevel();
68        if (compLevel > TIERED_STOP_AT_LEVEL) {
69            throw new RuntimeException("method.compLevel[" + compLevel
70                    + "] > TieredStopAtLevel [" + TIERED_STOP_AT_LEVEL + "]");
71        }
72        int bci = WHITE_BOX.getMethodEntryBci(method);
73        deoptimize();
74
75        for (int testedTier = 1; testedTier <= TIERED_STOP_AT_LEVEL;
76                ++testedTier) {
77            testAvailableLevel(testedTier, bci);
78        }
79        for (int testedTier = TIERED_STOP_AT_LEVEL + 1;
80                testedTier <= COMP_LEVEL_MAX; ++testedTier) {
81            testUnavailableLevel(testedTier, bci);
82        }
83    }
84
85    @Override
86    protected void checkLevel(int expected, int actual) {
87        if (expected == COMP_LEVEL_FULL_PROFILE
88                && actual == COMP_LEVEL_LIMITED_PROFILE) {
89            // for simple method full_profile may be replaced by limited_profile
90            if (IS_VERBOSE) {
91                System.out.printf("Level check: full profiling was replaced "
92                        + "by limited profiling. Expected: %d, actual:%d",
93                        expected, actual);
94            }
95            return;
96        }
97        super.checkLevel(expected, actual);
98    }
99}
100