1 /*
2 * Copyright (c) 2017, 2022, 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 package runtime.valhalla.inlinetypes;
25
26 import java.io.File;
27 import java.io.IOException;
28 import java.io.PrintWriter;
29 import java.lang.invoke.*;
30 import java.lang.ref.*;
31 import java.util.ArrayList;
32 import java.util.Arrays;
33 import java.util.List;
34 import java.util.concurrent.*;
35
36 import static jdk.test.lib.Asserts.*;
37
38 import jdk.experimental.bytecode.MacroCodeBuilder;
39 import jdk.experimental.bytecode.MacroCodeBuilder.CondKind;
40 import jdk.experimental.bytecode.TypeTag;
41 import jdk.test.lib.Platform;
42 import jdk.test.lib.Utils;
43
44 import javax.tools.*;
45 import test.java.lang.invoke.lib.InstructionHelper;
46
47 /**
48 * @test InlineTypesTest
49 * @summary Test data movement with inline types
50 * @modules java.base/jdk.internal.value
51 * @library /test/lib /test/jdk/lib/testlibrary/bytecode /test/jdk/java/lang/invoke/common
52 * @build jdk.experimental.bytecode.BasicClassBuilder test.java.lang.invoke.lib.InstructionHelper
53 * @compile -XDenablePrimitiveClasses TestValue1.java TestValue2.java TestValue3.java TestValue4.java InlineTypesTest.java
54 * @run main/othervm -XX:+EnableValhalla -XX:+EnablePrimitiveClasses
55 * -Xmx128m -XX:+ExplicitGCInvokesConcurrent
56 * -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
57 * -Djava.lang.invoke.MethodHandle.DUMP_CLASS_FILES=false
58 * runtime.valhalla.inlinetypes.InlineTypesTest
59 * @run main/othervm -XX:+EnableValhalla -XX:+EnablePrimitiveClasses
60 * -Xmx128m -XX:+ExplicitGCInvokesConcurrent
61 * -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
62 * -Djava.lang.invoke.MethodHandle.DUMP_CLASS_FILES=false
63 * -XX:ForceNonTearable=*
64 * runtime.valhalla.inlinetypes.InlineTypesTest
65 */
66 public class InlineTypesTest {
67
68 public static void main(String[] args) {
69 Class<?> inlineClass = runtime.valhalla.inlinetypes.TestValue1.class;
70 Class<?> testClasses[] = {
71 runtime.valhalla.inlinetypes.TestValue1.class,
72 runtime.valhalla.inlinetypes.TestValue2.class,
73 runtime.valhalla.inlinetypes.TestValue3.class,
74 runtime.valhalla.inlinetypes.TestValue4.class
75 };
76 Class<?> containerClasses[] = {
77 runtime.valhalla.inlinetypes.ContainerValue1.class,
78 runtime.valhalla.inlinetypes.ContainerValue2.class,
79 runtime.valhalla.inlinetypes.ContainerValue3.class,
80 runtime.valhalla.inlinetypes.ContainerValue4.class
81 };
82
83 for (int i = 0; i < testClasses.length; i++) {
84 try {
85 testExecutionStackToLocalVariable(testClasses[i]);
86 testExecutionStackToFields(testClasses[i], containerClasses[i]);
87 // testExecutionStackToInlineArray(testClasses[i], containerClasses[i]);
88 } catch (Throwable t) {
89 t.printStackTrace();
90 throw new RuntimeException(t);
91 }
92 }
93 }
94
95 static MethodHandles.Lookup LOOKUP = MethodHandles.lookup();
96
97 static void testExecutionStackToLocalVariable(Class<?> inlineClass) throws Throwable {
98 String sig = "()Q" + inlineClass.getName() + ";";
99 final String signature = sig.replace('.', '/');
100 MethodHandle fromExecStackToLocalVar = InstructionHelper.loadCode(
101 LOOKUP,
102 "execStackToLocalVar",
103 MethodType.methodType(boolean.class),
104 CODE -> {
105 CODE.invokestatic(System.class, "gc", "()V", false);
106 int n = -1;
107 while (n < 1024) {
108 n++;
109 CODE
110 .invokestatic(inlineClass, "getInstance", signature, false)
111 .astore(n);
112 n++;
113 CODE
114 .invokestatic(inlineClass, "getNonBufferedInstance", signature, false)
115 .astore(n);
116 }
117 CODE.invokestatic(System.class, "gc", "()V", false);
118 while (n > 0) {
119 CODE
120 .aload(n)
121 .invokevirtual(inlineClass, "verify", "()Z", false)
122 .iconst_1()
123 .ifcmp(TypeTag.I, CondKind.NE, "end");
124 n--;
125 }
126 CODE
127 .iconst_1()
128 .return_(TypeTag.Z)
129 .label("end")
130 .iconst_0()
131 .return_(TypeTag.Z);
132 });
133 boolean result = (boolean) fromExecStackToLocalVar.invokeExact();
134 System.out.println(result);
135 assertTrue(result, "Invariant");
136 }
137
138 static void testExecutionStackToFields(Class<?> inlineClass, Class<?> containerClass) throws Throwable {
139 final int ITERATIONS = Platform.isDebugBuild() ? 3 : 512;
140 String sig = "()Q" + inlineClass.getName() + ";";
141 final String methodSignature = sig.replace('.', '/');
142 final String fieldQSignature = "Q" + inlineClass.getName().replace('.', '/') + ";";
143 final String fieldLSignature = "L" + inlineClass.getName().replace('.', '/') + ";";
144 System.out.println(methodSignature);
145 MethodHandle fromExecStackToFields = InstructionHelper.loadCode(
146 LOOKUP,
147 "execStackToFields",
148 MethodType.methodType(boolean.class),
149 CODE -> {
150 CODE
151 .invokestatic(System.class, "gc", "()V", false)
152 .new_(containerClass)
153 .dup()
154 .invoke(MacroCodeBuilder.InvocationKind.INVOKESPECIAL, containerClass, "<init>", "()V", false)
155 .astore_1()
156 .iconst_m1()
157 .istore_2()
158 .label("loop")
159 .iload_2()
160 .ldc(ITERATIONS)
161 .ifcmp(TypeTag.I, CondKind.EQ, "end")
162 .aload_1()
163 .invokestatic(inlineClass, "getInstance", methodSignature, false)
164 .putfield(containerClass, "nonStaticInlineField", fieldQSignature)
165 .invokestatic(System.class, "gc", "()V", false)
166 .aload_1()
167 .getfield(containerClass, "nonStaticInlineField", fieldQSignature)
168 .invokevirtual(inlineClass, "verify", "()Z", false)
169 .iconst_1()
170 .ifcmp(TypeTag.I, CondKind.NE, "failed")
171 .aload_1()
172 .invokestatic(inlineClass, "getNonBufferedInstance", methodSignature, false)
173 .putfield(containerClass, "nonStaticInlineField", fieldQSignature)
174 .invokestatic(System.class, "gc", "()V", false)
175 .aload_1()
176 .getfield(containerClass, "nonStaticInlineField", fieldQSignature)
177 .invokevirtual(inlineClass, "verify", "()Z", false)
178 .iconst_1()
179 .ifcmp(TypeTag.I, CondKind.NE, "failed")
180 .invokestatic(inlineClass, "getInstance", methodSignature, false)
181 .putstatic(containerClass, "staticInlineField", fieldLSignature)
182 .invokestatic(System.class, "gc", "()V", false)
183 .getstatic(containerClass, "staticInlineField", fieldLSignature)
184 .checkcast(inlineClass)
185 .invokevirtual(inlineClass, "verify", "()Z", false)
186 .iconst_1()
187 .ifcmp(TypeTag.I, CondKind.NE, "failed")
188 .invokestatic(inlineClass, "getNonBufferedInstance", methodSignature, false)
189 .putstatic(containerClass, "staticInlineField", fieldLSignature)
190 .invokestatic(System.class, "gc", "()V", false)
191 .getstatic(containerClass, "staticInlineField", fieldLSignature)
192 .checkcast(inlineClass)
193 .invokevirtual(inlineClass, "verify", "()Z", false)
194 .iconst_1()
195 .ifcmp(TypeTag.I, CondKind.NE, "failed")
196 .iinc(2, 1)
197 .goto_("loop")
198 .label("end")
199 .iconst_1()
200 .return_(TypeTag.Z)
201 .label("failed")
202 .iconst_0()
203 .return_(TypeTag.Z);
204 });
205 boolean result = (boolean) fromExecStackToFields.invokeExact();
206 System.out.println(result);
207 assertTrue(result, "Invariant");
208 }
209
210 static void testExecutionStackToInlineArray(Class<?> inlineClass, Class<?> containerClass) throws Throwable {
211 final int ITERATIONS = Platform.isDebugBuild() ? 3 : 100;
212 String sig = "()Q" + inlineClass.getName() + ";";
213 final String signature = sig.replace('.', '/');
214 final String arraySignature = "[L" + inlineClass.getName().replace('.', '/') + ";";
215 System.out.println(arraySignature);
216 MethodHandle fromExecStackToInlineArray = InstructionHelper.loadCode(
217 LOOKUP,
218 "execStackToInlineArray",
219 MethodType.methodType(boolean.class),
220 CODE -> {
221 CODE
222 .invokestatic(System.class, "gc", "()V", false)
223 .new_(containerClass)
224 .dup()
225 .invoke(MacroCodeBuilder.InvocationKind.INVOKESTATIC, containerClass, "<vnew>", "()V", false)
226 .astore_1()
227 .ldc(ITERATIONS * 3)
228 .anewarray(inlineClass)
229 .astore_2()
230 .aload_2()
231 .aload_1()
232 .swap()
233 .putfield(containerClass, "valueArray", arraySignature)
234 .iconst_0()
235 .istore_3()
236 .label("loop1")
237 .iload_3()
238 .ldc(ITERATIONS)
239 .ifcmp(TypeTag.I, CondKind.GE, "end1")
240 .aload_2()
241 .iload_3()
242 .invokestatic(inlineClass, "getInstance", signature, false)
243 .aastore()
244 .iinc(3, 1)
245 .aload_2()
246 .iload_3()
247 .invokestatic(inlineClass, "getNonBufferedInstance", signature, false)
248 .aastore()
249 .iinc(3, 1)
250 .aload_2()
251 .iload_3()
252 .aconst_init(inlineClass)
253 .aastore()
254 .iinc(3, 1)
255 .goto_("loop1")
256 .label("end1")
257 .invokestatic(System.class, "gc", "()V", false)
258 .iconst_0()
259 .istore_3()
260 .label("loop2")
261 .iload_3()
262 .ldc(ITERATIONS * 3)
263 .ifcmp(TypeTag.I, CondKind.GE, "end2")
264 .aload_2()
265 .iload_3()
266 .aaload()
267 .invokevirtual(inlineClass, "verify", "()Z", false)
268 .iconst_1()
269 .ifcmp(TypeTag.I, CondKind.NE, "failed")
270 .iinc(3, 1)
271 .goto_("loop2")
272 .label("end2")
273 .iconst_1()
274 .return_(TypeTag.Z)
275 .label("failed")
276 .iconst_0()
277 .return_(TypeTag.Z);
278 });
279 boolean result = (boolean) fromExecStackToInlineArray.invokeExact();
280 System.out.println(result);
281 assertTrue(result, "Invariant");
282 }
283 }