1 /*
2 * Copyright (c) 2013, 2019, 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 package org.graalvm.compiler.hotspot.test;
26
27 import jdk.vm.ci.aarch64.AArch64;
28 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
29 import jdk.vm.ci.meta.JavaConstant;
30 import jdk.vm.ci.meta.JavaKind;
31 import org.graalvm.compiler.core.common.type.Stamp;
32 import org.graalvm.compiler.graph.iterators.NodeIterable;
33 import org.graalvm.compiler.hotspot.nodes.type.KlassPointerStamp;
34 import org.graalvm.compiler.nodes.ConstantNode;
35 import org.graalvm.compiler.nodes.NodeView;
36 import org.graalvm.compiler.nodes.PiNode;
37 import org.graalvm.compiler.nodes.StructuredGraph;
38 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
39 import org.graalvm.compiler.nodes.memory.FloatingReadNode;
40 import org.graalvm.compiler.nodes.memory.ReadNode;
41 import org.graalvm.compiler.options.OptionValues;
42 import org.junit.Assert;
43 import org.junit.Assume;
44 import org.junit.Before;
45 import org.junit.Test;
46
47 import static org.graalvm.compiler.core.common.GraalOptions.ImmutableCode;
48 import static org.graalvm.compiler.nodes.ConstantNode.getConstantNodes;
49
50 /**
51 * use
52 *
53 * <pre>
54 * mx unittest AheadOfTimeCompilationTest @-XX:CompileCommand='print,*AheadOfTimeCompilationTest.*'
55 * </pre>
56 *
57 * to print disassembly.
58 */
59 public class AheadOfTimeCompilationTest extends HotSpotGraalCompilerTest {
60
61 public static final Object STATICFINALOBJECT = new Object();
62 public static final String STATICFINALSTRING = "test string";
63
64 public static Object getStaticFinalObject() {
65 return AheadOfTimeCompilationTest.STATICFINALOBJECT;
66 }
67
68 @Before
69 public void setUp() {
70 // Ignore on SPARC
71 Assume.assumeFalse("skipping on AArch64", getTarget().arch instanceof AArch64);
72 }
73
74 @Test
75 public void testStaticFinalObjectAOT() {
76 StructuredGraph result = compile("getStaticFinalObject", true);
77 assertDeepEquals(1, getConstantNodes(result).count());
78 Stamp constantStamp = getConstantNodes(result).first().stamp(NodeView.DEFAULT);
79 Assert.assertTrue(constantStamp.toString(), constantStamp instanceof KlassPointerStamp);
80 int expected = runtime().getVMConfig().classMirrorIsHandle ? 3 : 2;
81 assertDeepEquals(expected, result.getNodes().filter(ReadNode.class).count());
82 }
83
84 @Test
85 public void testStaticFinalObject() {
86 StructuredGraph result = compile("getStaticFinalObject", false);
87 assertDeepEquals(1, getConstantNodes(result).count());
88 assertDeepEquals(JavaKind.Object, getConstantNodes(result).first().getStackKind());
89 assertDeepEquals(0, result.getNodes().filter(ReadNode.class).count());
90 }
91
92 public static Class<AheadOfTimeCompilationTest> getClassObject() {
93 return AheadOfTimeCompilationTest.class;
94 }
95
96 @Test
97 public void testClassObjectAOT() {
98 StructuredGraph result = compile("getClassObject", true);
99
100 NodeIterable<ConstantNode> filter = getConstantNodes(result);
101 assertDeepEquals(1, filter.count());
102 HotSpotResolvedObjectType type = (HotSpotResolvedObjectType) getMetaAccess().lookupJavaType(AheadOfTimeCompilationTest.class);
103 assertDeepEquals(type.klass(), filter.first().asConstant());
104 int expected = runtime().getVMConfig().classMirrorIsHandle ? 2 : 1;
105 assertDeepEquals(expected, result.getNodes().filter(ReadNode.class).count());
106 }
107
108 @Test
109 public void testClassObject() {
110 StructuredGraph result = compile("getClassObject", false);
111
112 NodeIterable<ConstantNode> filter = getConstantNodes(result);
113 assertDeepEquals(1, filter.count());
114 JavaConstant c = filter.first().asJavaConstant();
115 Assert.assertEquals(getSnippetReflection().asObject(Class.class, c), AheadOfTimeCompilationTest.class);
116
117 assertDeepEquals(0, result.getNodes().filter(ReadNode.class).count());
118 }
119
120 public static Class<Integer> getPrimitiveClassObject() {
121 return int.class;
122 }
123
124 @Test
125 public void testPrimitiveClassObjectAOT() {
126 StructuredGraph result = compile("getPrimitiveClassObject", true);
127 NodeIterable<ConstantNode> filter = getConstantNodes(result);
128 assertDeepEquals(1, filter.count());
129 Stamp constantStamp = filter.first().stamp(NodeView.DEFAULT);
130 Assert.assertTrue(constantStamp instanceof KlassPointerStamp);
131 int expected = runtime().getVMConfig().classMirrorIsHandle ? 3 : 2;
132 assertDeepEquals(expected, result.getNodes().filter(ReadNode.class).count());
133 }
134
135 @Test
136 public void testPrimitiveClassObject() {
137 StructuredGraph result = compile("getPrimitiveClassObject", false);
138 NodeIterable<ConstantNode> filter = getConstantNodes(result);
139 assertDeepEquals(1, filter.count());
140 JavaConstant c = filter.first().asJavaConstant();
141 Assert.assertEquals(getSnippetReflection().asObject(Class.class, c), Integer.TYPE);
142
143 assertDeepEquals(0, result.getNodes().filter(ReadNode.class).count());
144 }
145
146 public static String getStringObject() {
147 return AheadOfTimeCompilationTest.STATICFINALSTRING;
148 }
149
150 @Test
151 public void testStringObjectAOT() {
152 // embedded strings are fine
153 testStringObjectCommon(true);
154 }
155
156 @Test
157 public void testStringObject() {
158 testStringObjectCommon(false);
159 }
160
161 private void testStringObjectCommon(boolean compileAOT) {
162 StructuredGraph result = compile("getStringObject", compileAOT);
163
164 NodeIterable<ConstantNode> filter = getConstantNodes(result);
165 assertDeepEquals(1, filter.count());
166 JavaConstant c = filter.first().asJavaConstant();
167 Assert.assertEquals(getSnippetReflection().asObject(String.class, c), "test string");
168
169 assertDeepEquals(0, result.getNodes().filter(FloatingReadNode.class).count());
170 assertDeepEquals(0, result.getNodes().filter(ReadNode.class).count());
171 }
172
173 public static Boolean getBoxedBoolean() {
174 return Boolean.valueOf(true);
175 }
176
177 @Test
178 public void testBoxedBooleanAOT() {
179 StructuredGraph result = compile("getBoxedBoolean", true);
180
181 assertDeepEquals(0, result.getNodes().filter(FloatingReadNode.class).count());
182 assertDeepEquals(0, result.getNodes().filter(PiNode.class).count());
183 assertDeepEquals(1, getConstantNodes(result).count());
184 ConstantNode constant = getConstantNodes(result).first();
185 assertDeepEquals(JavaKind.Object, constant.getStackKind());
186
187 JavaConstant c = constant.asJavaConstant();
188 Assert.assertEquals(getSnippetReflection().asObject(Boolean.class, c), Boolean.TRUE);
189 }
190
191 @Test
192 public void testBoxedBoolean() {
193 StructuredGraph result = compile("getBoxedBoolean", false);
194 assertDeepEquals(0, result.getNodes().filter(FloatingReadNode.class).count());
195 assertDeepEquals(0, result.getNodes().filter(PiNode.class).count());
196 assertDeepEquals(1, getConstantNodes(result).count());
197 ConstantNode constant = getConstantNodes(result).first();
198 assertDeepEquals(JavaKind.Object, constant.getStackKind());
199
200 JavaConstant c = constant.asJavaConstant();
201 Assert.assertEquals(getSnippetReflection().asObject(Boolean.class, c), Boolean.TRUE);
202 }
203
204 @SuppressWarnings("try")
205 private StructuredGraph compile(String test, boolean compileAOT) {
206 OptionValues options = new OptionValues(getInitialOptions(), ImmutableCode, compileAOT);
207 StructuredGraph graph = parseEager(test, AllowAssumptions.YES, options);
208 compile(graph.method(), graph);
209 return graph;
210 }
211 }