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 * @ignore 8139703
30 * @compile ../common/CompilerToVMHelper.java
31 * @build sun.hotspot.WhiteBox MaterializeVirtualObjectTest
32 * @run main ClassFileInstaller sun.hotspot.WhiteBox
33 * sun.hotspot.WhiteBox$WhiteBoxPermission
34 * jdk.vm.ci.hotspot.CompilerToVMHelper
35 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
36 * -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
37 * -XX:CompileCommand=exclude,*::check -XX:+DoEscapeAnalysis -Xbatch
38 * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=false
39 * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest
40 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
41 * -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
42 * -XX:CompileCommand=exclude,*::check -XX:+DoEscapeAnalysis -Xbatch
43 * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=true
44 * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest
45 */
46
47 package compiler.jvmci.compilerToVM;
48
49 import compiler.jvmci.common.CTVMUtilities;
50 import compiler.testlibrary.CompilerUtils;
51 import jdk.vm.ci.hotspot.CompilerToVMHelper;
52 import jdk.test.lib.Asserts;
53 import sun.hotspot.WhiteBox;
54 import java.lang.reflect.Method;
55 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl;
56 import jdk.vm.ci.hotspot.HotSpotStackFrameReference;
57
58 public class MaterializeVirtualObjectTest {
59 private static final WhiteBox WB = WhiteBox.getWhiteBox();
60 private static final Method METHOD;
61 private static final HotSpotResolvedJavaMethodImpl RESOLVED_METHOD;
62 private static final boolean INVALIDATE = Boolean.getBoolean(
63 "compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate");
64
65 static {
66 try {
67 METHOD = MaterializeVirtualObjectTest.class.getDeclaredMethod(
68 "testFrame", String.class, boolean.class);
69 } catch (NoSuchMethodException e) {
70 throw new Error("Can't get executable for test method", e);
71 }
72 RESOLVED_METHOD = CTVMUtilities.getResolvedMethod(METHOD);
73 }
74
75 public static void main(String[] args) {
76 int levels[] = CompilerUtils.getAvailableCompilationLevels();
77 // we need compilation level 4 to use EscapeAnalysis
78 if (levels.length < 1 || levels[levels.length - 1] != 4) {
79 System.out.println("INFO: Test needs compilation level 4 to"
80 + " be available. Skipping.");
81 } else {
82 new MaterializeVirtualObjectTest().test();
83 }
84 }
85
86 private static String getName() {
87 return "CASE: invalidate=" + INVALIDATE;
88 }
89
90 private void test() {
91 System.out.println(getName());
92 Asserts.assertFalse(WB.isMethodCompiled(METHOD), getName()
93 + " : method unexpectedly compiled");
94 /* need to call testFrame at least once to be able to compile it, so
95 calling with materialize=false, because testFrame is not compiled */
96 testFrame("someString", /* materialize= */ false);
97 WB.enqueueMethodForCompilation(METHOD, 4);
98 Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName()
99 + "Method unexpectedly not compiled");
100 // calling with materialize=true to materialize compiled testFrame
101 testFrame("someString", /* materialize= */ true);
102 }
103
104 private void testFrame(String str, boolean materialize) {
105 Helper helper = new Helper(str);
106 check(materialize);
107 Asserts.assertTrue((helper.string != null) && (this != null)
108 && (helper != null), getName() + " : some locals are null");
109 }
110
111 private void check(boolean materialize) {
112 // Materialize virtual objects on last invocation
113 if (materialize) {
114 HotSpotStackFrameReference hsFrame = CompilerToVMHelper
115 .getNextStackFrame(/* topmost frame */ null,
116 new HotSpotResolvedJavaMethodImpl[]{
117 RESOLVED_METHOD}, /* don't skip any */ 0);
118 Asserts.assertNotNull(hsFrame, getName() + " : got null frame");
119 Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName()
120 + "Test method should be compiled");
121 Asserts.assertTrue(hsFrame.hasVirtualObjects(), getName()
122 + ": has no virtual object before materialization");
123 CompilerToVMHelper.materializeVirtualObjects(hsFrame, INVALIDATE);
124 Asserts.assertFalse(hsFrame.hasVirtualObjects(), getName()
125 + " : has virtual object after materialization");
126 Asserts.assertEQ(WB.isMethodCompiled(METHOD), !INVALIDATE, getName()
127 + " : unexpected compiled status");
128 }
129 }
130
131 private class Helper {
132 public String string;
133
134 public Helper(String s) {
135 this.string = s;
136 }
137 }
138 }