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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
28 * @library / /testlibrary /../../test/lib
29 * @compile ../common/CompilerToVMHelper.java
30 * @build sun.hotspot.WhiteBox MaterializeVirtualObjectTest
31 * @run main ClassFileInstaller sun.hotspot.WhiteBox
32 * sun.hotspot.WhiteBox$WhiteBoxPermission
33 * jdk.vm.ci.hotspot.CompilerToVMHelper
34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
35 * -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
36 * -XX:CompileCommand=exclude,*::check -XX:+DoEscapeAnalysis -Xbatch
37 * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=false
38 * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest
39 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
40 * -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
41 * -XX:CompileCommand=exclude,*::check -XX:+DoEscapeAnalysis -Xbatch
42 * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=true
43 * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest
44 */
45
46 package compiler.jvmci.compilerToVM;
47
48 import compiler.jvmci.common.CTVMUtilities;
49 import compiler.testlibrary.CompilerUtils;
50 import jdk.vm.ci.hotspot.CompilerToVMHelper;
51 import jdk.test.lib.Asserts;
52 import sun.hotspot.WhiteBox;
53 import java.lang.reflect.Method;
54 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl;
55 import jdk.vm.ci.hotspot.HotSpotStackFrameReference;
56
57 public class MaterializeVirtualObjectTest {
58 private static final WhiteBox WB = WhiteBox.getWhiteBox();
59 private static final Method METHOD;
60 private static final HotSpotResolvedJavaMethodImpl RESOLVED_METHOD;
61 private static final boolean INVALIDATE = Boolean.getBoolean(
62 "compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate");
63
64 static {
65 try {
66 METHOD = MaterializeVirtualObjectTest.class.getDeclaredMethod(
67 "testFrame", String.class, Integer.class);
68 } catch (NoSuchMethodException e) {
69 throw new Error("Can't get executable for test method", e);
70 }
71 RESOLVED_METHOD = CTVMUtilities.getResolvedMethod(METHOD);
72 }
73
74 public static void main(String[] args) {
75 int levels[] = CompilerUtils.getAvailableCompilationLevels();
76 // we need compilation level 4 to use EscapeAnalysis
77 if (levels.length < 1 || levels[levels.length - 1] != 4) {
78 System.out.println("INFO: Test needs compilation level 4 to"
79 + " be available. Skipping.");
80 } else {
81 new MaterializeVirtualObjectTest().test();
82 }
83 }
84
85 private static String getName() {
86 return "CASE: invalidate=" + INVALIDATE;
87 }
88
89 private void test() {
90 System.out.println(getName());
91 Asserts.assertFalse(WB.isMethodCompiled(METHOD), getName()
92 + " : method unexpectedly compiled");
93 /* need to call testFrame at least once to be able to compile it, so
94 calling with materialize=false, because testFrame is not compiled */
95 testFrame("someString", /* materialize= */ false);
96 WB.enqueueMethodForCompilation(METHOD, 4);
97 Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName()
98 + "Method unexpectedly not compiled");
99 // calling with materialize=true to materialize compiled testFrame
100 testFrame("someString", /* materialize= */ true);
101 }
102
103 private void testFrame(String str, boolean materialize) {
104 Helper helper = new Helper(str);
105 check(materialize);
106 Asserts.assertTrue((helper.string != null) && (this != null)
107 && (helper != null), getName() + " : some locals are null");
108 }
109
110 private void check(boolean materialize) {
111 // Materialize virtual objects on last invocation
112 if (materialize) {
113 HotSpotStackFrameReference hsFrame = CompilerToVMHelper
114 .getNextStackFrame(/* topmost frame */ null,
115 new HotSpotResolvedJavaMethodImpl[]{
116 RESOLVED_METHOD}, /* don't skip any */ 0);
117 Asserts.assertNotNull(hsFrame, getName() + " : got null frame");
118 Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName()
119 + " : test method should be compiled");
120 Asserts.assertTrue(hsFrame.hasVirtualObjects(), getName()
121 + " : has no virtual object before materialization");
122 CompilerToVMHelper.materializeVirtualObjects(hsFrame, INVALIDATE);
123 Asserts.assertFalse(hsFrame.hasVirtualObjects(), getName()
124 + " : has virtual object after materialization");
125 Asserts.assertEQ(WB.isMethodCompiled(METHOD), !INVALIDATE, getName()
126 + " : unexpected compiled status");
127 }
128 }
129
130 private class Helper {
131 public String string;
132
133 public Helper(String s) {
134 this.string = s;
135 }
136 }
137 }