1 /*
2 * Copyright (c) 2014, 2018, 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 ConstantGettersTransitionsTest
26 * @summary Test the correctness of compilation level transitions for constant getters methods
27 * @library /test/lib /
28 * @modules java.base/jdk.internal.misc
29 * java.management
30 *
31 * @build sun.hotspot.WhiteBox
32 * compiler.tiered.ConstantGettersTransitionsTest
33 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
34 * @run main/othervm/timeout=240 -Xmixed -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
35 * -XX:+WhiteBoxAPI -XX:+TieredCompilation -XX:-UseCounterDecay
36 * -XX:CompileCommand=compileonly,compiler.tiered.ConstantGettersTransitionsTest$ConstantGettersTestCase$TrivialMethods::*
37 * compiler.tiered.ConstantGettersTransitionsTest
38 */
39
40 package compiler.tiered;
41
42 import compiler.whitebox.CompilerWhiteBoxTest;
43 import jtreg.SkippedException;
44
45 import java.lang.reflect.Executable;
46 import java.util.concurrent.Callable;
47
48 public class ConstantGettersTransitionsTest extends LevelTransitionTest {
49 public static void main(String[] args) {
50 if (CompilerWhiteBoxTest.skipOnTieredCompilation(false)) {
51 throw new SkippedException("Test isn't applicable for non-tiered mode");
52 }
53
54 // run test cases
55 for (TestCase testCase : ConstantGettersTestCase.values()) {
56 new ConstantGettersTransitionsTest(testCase).runTest();
57 }
58 }
59
60 @Override
61 protected boolean isTrivial() {
62 return true;
63 }
64
65 private ConstantGettersTransitionsTest(TestCase testCase) {
66 super(testCase);
67 }
68
69 private static enum ConstantGettersTestCase implements CompilerWhiteBoxTest.TestCase {
70 ICONST_M1,
71 ICONST_0,
72 ICONST_1,
73 ICONST_2,
74 ICONST_3,
75 ICONST_4,
76 ICONST_5,
77 LCONST_0,
78 LCONST_1,
79 FCONST_0,
80 FCONST_1,
81 FCONST_2,
82 DCONST_0,
83 DCONST_1,
84 DCONST_W,
85 BYTE,
86 SHORT,
87 CHAR;
88
89 private final Executable executable;
90 private final Callable<Integer> callable;
91
92 @Override
93 public Executable getExecutable() {
94 return executable;
95 }
96
97 @Override
98 public Callable<Integer> getCallable() {
99 return callable;
100 }
101
102 @Override
103 public boolean isOsr() {
104 return false;
105 }
106
107 private ConstantGettersTestCase() {
108 String name = "make" + this.name();
109 this.executable = LevelTransitionTest.Helper.getMethod(TrivialMethods.class, name);
110 this.callable = LevelTransitionTest.Helper.getCallable(new TrivialMethods(), name);
111 }
112
113 /**
114 * Contains methods that load constants with certain types of bytecodes
115 * See JVMS 2.11.2. Load and Store Instructions
116 * Note that it doesn't have a method for ldc_w instruction
117 */
118 private static class TrivialMethods {
119 public static int makeICONST_M1() {
120 return -1;
121 }
122
123 public static int makeICONST_0() {
124 return 0;
125 }
126
127 public static int makeICONST_1() {
128 return 1;
129 }
130
131 public static int makeICONST_2() {
132 return 2;
133 }
134
135 public static int makeICONST_3() {
136 return 3;
137 }
138
139 public static int makeICONST_4() {
140 return 4;
141 }
142
143 public static int makeICONST_5() {
144 return 5;
145 }
146
147 public static long makeLCONST_0() {
148 return 0L;
149 }
150
151 public static long makeLCONST_1() {
152 return 1L;
153 }
154
155 public static float makeFCONST_0() {
156 return 0F;
157 }
158
159 public static float makeFCONST_1() {
160 return 1F;
161 }
162
163 public static float makeFCONST_2() {
164 return 2F;
165 }
166
167 public static double makeDCONST_0() {
168 return 0D;
169 }
170
171 public static double makeDCONST_1() {
172 return 1D;
173 }
174
175 public static double makeDCONST_W() {
176 // ldc2_w
177 return Double.MAX_VALUE;
178 }
179
180 public static Object makeOBJECT() {
181 // aconst_null
182 return null;
183 }
184
185 public static byte makeBYTE() {
186 // bipush
187 return (byte) 0x7F;
188 }
189
190 public static short makeSHORT() {
191 // sipush
192 return (short) 0x7FFF;
193 }
194
195 public static char makeCHAR() {
196 // ldc
197 return (char) 0xFFFF;
198 }
199
200 public static boolean makeBOOLEAN() {
201 return true;
202 }
203 }
204 }
205 }