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1 /* |
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2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 /** |
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25 * @test |
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26 * @bug 8062280 |
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27 * @summary C2: inlining failure due to access checks being too strict |
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28 * @library /testlibrary |
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29 * @run main/othervm MHInlineTest |
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30 */ |
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31 import java.lang.invoke.*; |
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32 import com.oracle.java.testlibrary.*; |
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33 import static com.oracle.java.testlibrary.Asserts.*; |
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34 |
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35 public class MHInlineTest { |
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36 public static void main(String[] args) throws Exception { |
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37 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
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38 "-XX:+IgnoreUnrecognizedVMOptions", "-showversion", |
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39 "-server", "-XX:-TieredCompilation", "-Xbatch", |
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40 "-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining", |
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41 "-XX:CompileCommand=dontinline,MHInlineTest::test*", |
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42 "MHInlineTest$Launcher"); |
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43 |
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44 OutputAnalyzer analyzer = new OutputAnalyzer(pb.start()); |
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45 |
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46 analyzer.shouldHaveExitValue(0); |
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47 |
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48 // The test is applicable only to C2 (present in Server VM). |
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49 if (analyzer.getStderr().contains("Server VM")) { |
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50 analyzer.shouldContain("MHInlineTest$B::public_x (3 bytes) inline (hot)"); |
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51 analyzer.shouldContain( "MHInlineTest$B::protected_x (3 bytes) inline (hot)"); |
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52 analyzer.shouldContain( "MHInlineTest$B::package_x (3 bytes) inline (hot)"); |
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53 analyzer.shouldContain("MHInlineTest$A::package_final_x (3 bytes) inline (hot)"); |
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54 analyzer.shouldContain("MHInlineTest$B::private_x (3 bytes) inline (hot)"); |
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55 analyzer.shouldContain("MHInlineTest$B::private_static_x (3 bytes) inline (hot)"); |
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56 analyzer.shouldContain("MHInlineTest$A::package_static_x (3 bytes) inline (hot)"); |
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57 |
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58 analyzer.shouldNotContain("MHInlineTest$A::protected_x (3 bytes) virtual call"); |
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59 analyzer.shouldNotContain("MHInlineTest$A::package_x (3 bytes) virtual call"); |
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60 } |
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61 } |
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62 |
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63 static class A { |
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64 public static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); |
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65 |
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66 public Class<?> public_x() { return A.class; } |
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67 protected Class<?> protected_x() { return A.class; } |
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68 Class<?> package_x() { return A.class; } |
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69 final Class<?> package_final_x() { return A.class; } |
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70 |
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71 static Class<?> package_static_x() { return A.class; } |
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72 } |
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73 |
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74 static class B extends A { |
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75 public static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); |
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76 |
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77 @Override public Class<?> public_x() { return B.class; } |
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78 @Override protected Class<?> protected_x() { return B.class; } |
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79 @Override Class<?> package_x() { return B.class; } |
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80 |
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81 private Class<?> private_x() { return B.class; } |
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82 static Class<?> private_static_x() { return B.class; } |
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83 } |
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84 |
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85 static final MethodHandle A_PUBLIC_X; |
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86 static final MethodHandle A_PROTECTED_X; |
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87 static final MethodHandle A_PACKAGE_X; |
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88 static final MethodHandle A_PACKAGE_STATIC_X; |
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89 static final MethodHandle A_PACKAGE_FINAL_X; |
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90 |
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91 static final MethodHandle B_PRIVATE_X; |
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92 static final MethodHandle B_PRIVATE_STATIC_X; |
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93 |
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94 static { |
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95 try { |
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96 MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); |
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97 |
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98 A_PUBLIC_X = LOOKUP.findVirtual( |
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99 A.class, "public_x", MethodType.methodType(Class.class)); |
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100 A_PROTECTED_X = LOOKUP.findVirtual( |
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101 A.class, "protected_x", MethodType.methodType(Class.class)); |
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102 A_PACKAGE_X = LOOKUP.findVirtual( |
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103 A.class, "package_x", MethodType.methodType(Class.class)); |
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104 A_PACKAGE_FINAL_X = LOOKUP.findVirtual( |
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105 A.class, "package_final_x", MethodType.methodType(Class.class)); |
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106 A_PACKAGE_STATIC_X = LOOKUP.findStatic( |
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107 A.class, "package_static_x", MethodType.methodType(Class.class)); |
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108 |
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109 B_PRIVATE_X = B.LOOKUP.findVirtual( |
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110 B.class, "private_x", MethodType.methodType(Class.class)); |
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111 B_PRIVATE_STATIC_X = B.LOOKUP.findStatic( |
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112 B.class, "private_static_x", MethodType.methodType(Class.class)); |
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113 } catch (Exception e) { |
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114 throw new Error(e); |
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115 } |
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116 } |
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117 |
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118 static final A a = new B(); |
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119 |
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120 private static void testPublicMH() { |
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121 try { |
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122 Class<?> r = (Class<?>)A_PUBLIC_X.invokeExact(a); |
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123 assertEquals(r, B.class); |
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124 } catch (Throwable throwable) { |
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125 throw new Error(throwable); |
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126 } |
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127 } |
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128 |
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129 private static void testProtectedMH() { |
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130 try { |
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131 Class<?> r = (Class<?>)A_PROTECTED_X.invokeExact(a); |
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132 assertEquals(r, B.class); |
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133 } catch (Throwable throwable) { |
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134 throw new Error(throwable); |
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135 } |
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136 } |
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137 |
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138 private static void testPackageMH() { |
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139 try { |
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140 Class<?> r = (Class<?>)A_PACKAGE_X.invokeExact(a); |
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141 assertEquals(r, B.class); |
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142 } catch (Throwable throwable) { |
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143 throw new Error(throwable); |
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144 } |
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145 } |
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146 |
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147 private static void testPackageFinalMH() { |
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148 try { |
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149 Class<?> r = (Class<?>)A_PACKAGE_FINAL_X.invokeExact(a); |
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150 assertEquals(r, A.class); |
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151 } catch (Throwable throwable) { |
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152 throw new Error(throwable); |
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153 } |
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154 } |
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155 |
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156 private static void testPackageStaticMH() { |
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157 try { |
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158 Class<?> r = (Class<?>)A_PACKAGE_STATIC_X.invokeExact(); |
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159 assertEquals(r, A.class); |
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160 } catch (Throwable throwable) { |
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161 throw new Error(throwable); |
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162 } |
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163 } |
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164 |
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165 private static void testPrivateMH() { |
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166 try { |
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167 Class<?> r = (Class<?>)B_PRIVATE_X.invokeExact((B)a); |
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168 assertEquals(r, B.class); |
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169 } catch (Throwable throwable) { |
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170 throw new Error(throwable); |
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171 } |
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172 } |
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173 |
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174 private static void testPrivateStaticMH() { |
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175 try { |
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176 Class<?> r = (Class<?>)B_PRIVATE_STATIC_X.invokeExact(); |
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177 assertEquals(r, B.class); |
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178 } catch (Throwable throwable) { |
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179 throw new Error(throwable); |
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180 } |
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181 } |
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182 static class Launcher { |
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183 public static void main(String[] args) throws Exception { |
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184 for (int i = 0; i < 20_000; i++) { |
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185 testPublicMH(); |
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186 } |
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187 for (int i = 0; i < 20_000; i++) { |
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188 testProtectedMH(); |
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189 } |
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190 for (int i = 0; i < 20_000; i++) { |
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191 testPackageMH(); |
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192 } |
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193 for (int i = 0; i < 20_000; i++) { |
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194 testPackageFinalMH(); |
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195 } |
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196 for (int i = 0; i < 20_000; i++) { |
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197 testPackageStaticMH(); |
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198 } |
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199 for (int i = 0; i < 20_000; i++) { |
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200 testPrivateMH(); |
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201 } |
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202 for (int i = 0; i < 20_000; i++) { |
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203 testPrivateStaticMH(); |
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204 } |
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205 } |
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206 } |
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207 } |