1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/compiler/whitebox/MakeMethodNotCompilableTest.java Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,223 @@
1.4 +/*
1.5 + * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test MakeMethodNotCompilableTest
1.29 + * @bug 8012322 8006683 8007288 8022832
1.30 + * @library /testlibrary /testlibrary/whitebox
1.31 + * @build MakeMethodNotCompilableTest
1.32 + * @run main ClassFileInstaller sun.hotspot.WhiteBox
1.33 + * @run main/othervm/timeout=2400 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* MakeMethodNotCompilableTest
1.34 + * @summary testing of WB::makeMethodNotCompilable()
1.35 + * @author igor.ignatyev@oracle.com
1.36 + */
1.37 +public class MakeMethodNotCompilableTest extends CompilerWhiteBoxTest {
1.38 + private int bci;
1.39 + public static void main(String[] args) throws Exception {
1.40 + CompilerWhiteBoxTest.main(MakeMethodNotCompilableTest::new, args);
1.41 + }
1.42 +
1.43 + private MakeMethodNotCompilableTest(TestCase testCase) {
1.44 + super(testCase);
1.45 + // to prevent inlining of #method
1.46 + WHITE_BOX.testSetDontInlineMethod(method, true);
1.47 + }
1.48 +
1.49 + /**
1.50 + * Tests {@code WB::makeMethodNotCompilable()} by calling it before
1.51 + * compilation and checking that method isn't compiled. Also
1.52 + * checks that WB::clearMethodState() clears no-compilable flags. For
1.53 + * tiered, additional checks for all available levels are conducted.
1.54 + *
1.55 + * @throws Exception if one of the checks fails.
1.56 + */
1.57 + @Override
1.58 + protected void test() throws Exception {
1.59 + if (skipXcompOSR()) {
1.60 + return;
1.61 + }
1.62 + checkNotCompiled();
1.63 + if (!isCompilable()) {
1.64 + throw new RuntimeException(method + " must be compilable");
1.65 + }
1.66 +
1.67 + bci = getBci();
1.68 +
1.69 + if (TIERED_COMPILATION) {
1.70 + final int tierLimit = TIERED_STOP_AT_LEVEL + 1;
1.71 + for (int testedTier = 1; testedTier < tierLimit; ++testedTier) {
1.72 + testTier(testedTier);
1.73 + }
1.74 + for (int testedTier = 1; testedTier < tierLimit; ++testedTier) {
1.75 + makeNotCompilable(testedTier);
1.76 + if (isCompilable(testedTier)) {
1.77 + throw new RuntimeException(method
1.78 + + " must be not compilable at level" + testedTier);
1.79 + }
1.80 + WHITE_BOX.enqueueMethodForCompilation(method, testedTier, bci);
1.81 + checkNotCompiled();
1.82 +
1.83 + if (!isCompilable()) {
1.84 + System.out.println(method
1.85 + + " is not compilable after level " + testedTier);
1.86 + }
1.87 + }
1.88 + } else {
1.89 + compile();
1.90 + checkCompiled();
1.91 + int compLevel = getCompLevel();
1.92 + deoptimize();
1.93 + makeNotCompilable(compLevel);
1.94 + if (isCompilable(COMP_LEVEL_ANY)) {
1.95 + throw new RuntimeException(method
1.96 + + " must be not compilable at CompLevel::CompLevel_any,"
1.97 + + " after it is not compilable at " + compLevel);
1.98 + }
1.99 +
1.100 + WHITE_BOX.clearMethodState(method);
1.101 + if (!isCompilable()) {
1.102 + throw new RuntimeException(method
1.103 + + " is not compilable after clearMethodState()");
1.104 + }
1.105 +
1.106 + // nocompilable at opposite level must make no sense
1.107 + int oppositeLevel;
1.108 + if (isC1Compile(compLevel)) {
1.109 + oppositeLevel = COMP_LEVEL_FULL_OPTIMIZATION;
1.110 + } else {
1.111 + oppositeLevel = COMP_LEVEL_SIMPLE;
1.112 + }
1.113 + makeNotCompilable(oppositeLevel);
1.114 +
1.115 + if (!isCompilable(COMP_LEVEL_ANY)) {
1.116 + throw new RuntimeException(method
1.117 + + " must be compilable at CompLevel::CompLevel_any,"
1.118 + + " even it is not compilable at opposite level ["
1.119 + + compLevel + "]");
1.120 + }
1.121 +
1.122 + if (!isCompilable(compLevel)) {
1.123 + throw new RuntimeException(method
1.124 + + " must be compilable at level " + compLevel
1.125 + + ", even it is not compilable at opposite level ["
1.126 + + compLevel + "]");
1.127 + }
1.128 + }
1.129 +
1.130 + // clearing after tiered/non-tiered tests
1.131 + // WB.clearMethodState() must reset no-compilable flags
1.132 + WHITE_BOX.clearMethodState(method);
1.133 + if (!isCompilable()) {
1.134 + throw new RuntimeException(method
1.135 + + " is not compilable after clearMethodState()");
1.136 + }
1.137 +
1.138 + makeNotCompilable();
1.139 + if (isCompilable()) {
1.140 + throw new RuntimeException(method + " must be not compilable");
1.141 + }
1.142 +
1.143 + compile();
1.144 + checkNotCompiled();
1.145 + if (isCompilable()) {
1.146 + throw new RuntimeException(method + " must be not compilable");
1.147 + }
1.148 + // WB.clearMethodState() must reset no-compilable flags
1.149 + WHITE_BOX.clearMethodState(method);
1.150 + if (!isCompilable()) {
1.151 + throw new RuntimeException(method
1.152 + + " is not compilable after clearMethodState()");
1.153 + }
1.154 + compile();
1.155 + checkCompiled();
1.156 + }
1.157 +
1.158 + // separately tests each tier
1.159 + private void testTier(int testedTier) {
1.160 + if (!isCompilable(testedTier)) {
1.161 + throw new RuntimeException(method
1.162 + + " is not compilable on start");
1.163 + }
1.164 + makeNotCompilable(testedTier);
1.165 +
1.166 + // tests for all other tiers
1.167 + for (int anotherTier = 1, tierLimit = TIERED_STOP_AT_LEVEL + 1;
1.168 + anotherTier < tierLimit; ++anotherTier) {
1.169 + boolean isCompilable = isCompilable(anotherTier);
1.170 + if (sameCompile(testedTier, anotherTier)) {
1.171 + if (isCompilable) {
1.172 + throw new RuntimeException(method
1.173 + + " must be not compilable at level " + anotherTier
1.174 + + ", if it is not compilable at " + testedTier);
1.175 + }
1.176 + WHITE_BOX.enqueueMethodForCompilation(method, anotherTier, bci);
1.177 + checkNotCompiled();
1.178 + } else {
1.179 + if (!isCompilable) {
1.180 + throw new RuntimeException(method
1.181 + + " must be compilable at level " + anotherTier
1.182 + + ", even if it is not compilable at "
1.183 + + testedTier);
1.184 + }
1.185 + WHITE_BOX.enqueueMethodForCompilation(method, anotherTier, bci);
1.186 + checkCompiled();
1.187 + deoptimize();
1.188 + }
1.189 +
1.190 + if (!isCompilable(COMP_LEVEL_ANY)) {
1.191 + throw new RuntimeException(method
1.192 + + " must be compilable at 'CompLevel::CompLevel_any'"
1.193 + + ", if it is not compilable only at " + testedTier);
1.194 + }
1.195 + }
1.196 +
1.197 + // clear state after test
1.198 + WHITE_BOX.clearMethodState(method);
1.199 + if (!isCompilable(testedTier)) {
1.200 + throw new RuntimeException(method
1.201 + + " is not compilable after clearMethodState()");
1.202 + }
1.203 + }
1.204 +
1.205 + private boolean sameCompile(int level1, int level2) {
1.206 + if (level1 == level2) {
1.207 + return true;
1.208 + }
1.209 + if (isC1Compile(level1) && isC1Compile(level2)) {
1.210 + return true;
1.211 + }
1.212 + if (isC2Compile(level1) && isC2Compile(level2)) {
1.213 + return true;
1.214 + }
1.215 + return false;
1.216 + }
1.217 +
1.218 + private int getBci() {
1.219 + compile();
1.220 + checkCompiled();
1.221 + int result = WHITE_BOX.getMethodEntryBci(method);
1.222 + deoptimize();
1.223 + WHITE_BOX.clearMethodState(method);
1.224 + return result;
1.225 + }
1.226 +}
