1 /* 2 * Copyright (c) 2013, 2014, 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 * @library /testlibrary /testlibrary/whitebox /compiler/whitebox 27 * @build TieredLevelsTest 28 * @run main ClassFileInstaller sun.hotspot.WhiteBox 29 * sun.hotspot.WhiteBox$WhiteBoxPermission 30 * @run main/othervm -Xbootclasspath/a:. -XX:+TieredCompilation 31 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 32 * -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* 33 * TieredLevelsTest 34 * @summary Verify that all levels < 'TieredStopAtLevel' can be used 35 * @author igor.ignatyev@oracle.com 36 */ 37 public class TieredLevelsTest extends CompLevelsTest { 38 public static void main(String[] args) throws Exception { 39 if (!TIERED_COMPILATION) { 40 System.err.println("Test isn't applicable w/ disabled " 41 + "TieredCompilation. Skip test."); 42 return; 43 } 44 CompilerWhiteBoxTest.main(TieredLevelsTest::new, args); 45 } 46 47 private TieredLevelsTest(TestCase testCase) { 48 super(testCase); 49 // to prevent inlining of #method 50 WHITE_BOX.testSetDontInlineMethod(method, true); 51 } 52 53 @Override 54 protected void test() throws Exception { 55 if (skipXcompOSR()) { 56 return; 57 } 58 checkNotCompiled(); 59 compile(); 60 checkCompiled(); 61 62 int compLevel = getCompLevel(); 63 if (compLevel > TIERED_STOP_AT_LEVEL) { 64 throw new RuntimeException("method.compLevel[" + compLevel 65 + "] > TieredStopAtLevel [" + TIERED_STOP_AT_LEVEL + "]"); 66 } 67 int bci = WHITE_BOX.getMethodEntryBci(method); 68 deoptimize(); 69 70 for (int testedTier = 1; testedTier <= TIERED_STOP_AT_LEVEL; 71 ++testedTier) { 72 testAvailableLevel(testedTier, bci); 73 } 74 for (int testedTier = TIERED_STOP_AT_LEVEL + 1; 75 testedTier <= COMP_LEVEL_MAX; ++testedTier) { 76 testUnavailableLevel(testedTier, bci); 77 } 78 } 79 80 81 @Override 82 protected void checkLevel(int expected, int actual) { 83 if (expected == COMP_LEVEL_FULL_PROFILE 84 && actual == COMP_LEVEL_LIMITED_PROFILE) { 85 // for simple method full_profile may be replaced by limited_profile 86 return; 87 } 88 super.checkLevel(expected, actual); 89 } 90 }