1 /*
2 * Copyright (c) 2015, 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.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64")
28 * & (vm.compMode != "Xcomp" | vm.opt.TieredCompilation == null | vm.opt.TieredCompilation == true)
29 * @summary no "-Xcomp -XX:-TieredCompilation" combination allowed until JDK-8140018 is resolved
30 * @library / /testlibrary /test/lib
31 * @library ../common/patches
32 * @modules java.base/jdk.internal.misc
33 * @modules java.base/jdk.internal.org.objectweb.asm
34 * java.base/jdk.internal.org.objectweb.asm.tree
35 * jdk.vm.ci/jdk.vm.ci.hotspot
36 * jdk.vm.ci/jdk.vm.ci.code
37 * jdk.vm.ci/jdk.vm.ci.meta
38 *
39 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
40 * @build compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest
41 * @build sun.hotspot.WhiteBox
42 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
43 * sun.hotspot.WhiteBox$WhiteBoxPermission
44 * @run main/othervm -Xmixed -Xbootclasspath/a:.
45 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
46 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
47 * -XX:CompileCommand=exclude,*::check
48 * -XX:+DoEscapeAnalysis -XX:-UseCounterDecay
49 * -Xbatch
50 * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=false
51 * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest
52 * @run main/othervm -Xmixed -Xbootclasspath/a:.
53 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
54 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
55 * -XX:CompileCommand=exclude,*::check
56 * -XX:+DoEscapeAnalysis -XX:-UseCounterDecay
57 * -Xbatch
58 * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=true
59 * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest
60 */
61
62 package compiler.jvmci.compilerToVM;
63
64 import compiler.jvmci.common.CTVMUtilities;
65 import compiler.testlibrary.CompilerUtils;
66 import compiler.whitebox.CompilerWhiteBoxTest;
67 import jdk.test.lib.Asserts;
68 import jdk.vm.ci.hotspot.CompilerToVMHelper;
69 import jdk.vm.ci.hotspot.HotSpotStackFrameReference;
70 import jdk.vm.ci.meta.ResolvedJavaMethod;
71 import sun.hotspot.WhiteBox;
72
73 import java.lang.reflect.Method;
74
75 public class MaterializeVirtualObjectTest {
76 private static final WhiteBox WB;
77 private static final Method METHOD;
78 private static final ResolvedJavaMethod RESOLVED_METHOD;
79 private static final boolean INVALIDATE;
80 private static final int COMPILE_THRESHOLD;
81
82 static {
83 WB = WhiteBox.getWhiteBox();
84 try {
85 METHOD = MaterializeVirtualObjectTest.class.getDeclaredMethod(
86 "testFrame", String.class, int.class);
87 } catch (NoSuchMethodException e) {
88 throw new Error("Can't get executable for test method", e);
89 }
90 RESOLVED_METHOD = CTVMUtilities.getResolvedMethod(METHOD);
91 INVALIDATE = Boolean.getBoolean(
92 "compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate");
93 COMPILE_THRESHOLD = WB.getBooleanVMFlag("TieredCompilation")
94 ? CompilerWhiteBoxTest.THRESHOLD
95 : CompilerWhiteBoxTest.THRESHOLD * 2;
96 }
97
98 public static void main(String[] args) {
99 int levels[] = CompilerUtils.getAvailableCompilationLevels();
100 // we need compilation level 4 to use EscapeAnalysis
101 if (levels.length < 1 || levels[levels.length - 1] != 4) {
102 System.out.println("INFO: Test needs compilation level 4 to"
103 + " be available. Skipping.");
104 } else {
105 new MaterializeVirtualObjectTest().test();
106 }
107 }
108
109 private static String getName() {
110 return "CASE: invalidate=" + INVALIDATE;
111 }
112
113 private void test() {
114 System.out.println(getName());
115 Asserts.assertFalse(WB.isMethodCompiled(METHOD), getName()
116 + " : method unexpectedly compiled");
117 /* need to trigger compilation by multiple method invocations
118 in order to have method profile data to be gathered */
119 for (int i = 0; i < COMPILE_THRESHOLD; i++) {
120 testFrame("someString", i);
121 }
122 Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName()
123 + "Method unexpectedly not compiled");
124 testFrame("someString", COMPILE_THRESHOLD);
125 }
126
127 private void testFrame(String str, int iteration) {
128 Helper helper = new Helper(str);
129 check(iteration);
130 Asserts.assertTrue((helper.string != null) && (this != null)
131 && (helper != null), getName() + " : some locals are null");
132 }
133
134 private void check(int iteration) {
135 // Materialize virtual objects on last invocation
136 if (iteration == COMPILE_THRESHOLD) {
137 HotSpotStackFrameReference hsFrame = CompilerToVMHelper
138 .getNextStackFrame(/* topmost frame */ null,
139 new ResolvedJavaMethod[]{
140 RESOLVED_METHOD}, /* don't skip any */ 0);
141 Asserts.assertNotNull(hsFrame, getName() + " : got null frame");
142 Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName()
143 + "Test method should be compiled");
144 Asserts.assertTrue(hsFrame.hasVirtualObjects(), getName()
145 + ": has no virtual object before materialization");
146 CompilerToVMHelper.materializeVirtualObjects(hsFrame, INVALIDATE);
147 Asserts.assertFalse(hsFrame.hasVirtualObjects(), getName()
148 + " : has virtual object after materialization");
149 Asserts.assertEQ(WB.isMethodCompiled(METHOD), !INVALIDATE, getName()
150 + " : unexpected compiled status");
151 }
152 }
153
154 private class Helper {
155 public String string;
156
157 public Helper(String s) {
158 this.string = s;
159 }
160 }
161 }