Mercurial > hg > graal-compiler

annotate src/share/vm/graal/graalCompiler.cpp @ 18119:6997fce99fa3

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graal/hotspot: fix memleak
author Bernhard Urban <bernhard.urban@jku.at>
date Fri, 17 Oct 2014 13:33:31 +0200
parents e98942f26fa4
children 6a2f814224b1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2516
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1 /*
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2 * Copyright (c) 2011, 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 #include "precompiled.hpp"
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25 #include "memory/oopFactory.hpp"
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26 #include "runtime/javaCalls.hpp"
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27 #include "graal/graalCompiler.hpp"
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28 #include "graal/graalEnv.hpp"
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29 #include "graal/graalRuntime.hpp"
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30 #include "runtime/compilationPolicy.hpp"
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31 #include "runtime/globals_extension.hpp"
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32
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33 GraalCompiler* GraalCompiler::_instance = NULL;
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34 elapsedTimer GraalCompiler::_codeInstallTimer;
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35
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36 GraalCompiler::GraalCompiler() : AbstractCompiler(graal) {
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37 #ifdef COMPILERGRAAL
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38 _bootstrapping = false;
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39 _methodsCompiled = 0;
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40 #endif
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41 assert(_instance == NULL, "only one instance allowed");
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42 _instance = this;
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43 }
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44
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45 // Initialization
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46 void GraalCompiler::initialize() {
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47 #ifdef COMPILERGRAAL
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48 if (!UseCompiler || !should_perform_init()) {
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49 return;
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50 }
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51
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52 BufferBlob* buffer_blob = GraalRuntime::initialize_buffer_blob();
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53 if (buffer_blob == NULL) {
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54 set_state(failed);
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55 } else {
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56 set_state(initialized);
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57 }
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58
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59 {
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60 HandleMark hm;
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61
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62 // Graal is considered as application code so we need to
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63 // stop the VM deferring compilation now.
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64 CompilationPolicy::completed_vm_startup();
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65
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66 #ifndef PRODUCT
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67 if (CompileTheWorld && !BootstrapGraal) {
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68 compile_the_world();
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69 }
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70 #endif
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71 }
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72 #endif // COMPILERGRAAL
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73 }
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74
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75 #ifdef COMPILERGRAAL
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76 void GraalCompiler::bootstrap() {
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77 JavaThread* THREAD = JavaThread::current();
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78 #ifndef PRODUCT
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79 // We turn off CompileTheWorld so that compilation requests are not ignored during bootstrap.
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80 bool doCTW = CompileTheWorld;
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81 if (CompileTheWorld) {
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82 CompileTheWorld = false;
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83 }
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84 #endif
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85 _bootstrapping = true;
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86 ResourceMark rm;
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87 HandleMark hm;
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88 if (PrintBootstrap) {
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89 tty->print("Bootstrapping Graal");
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90 }
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91 jlong start = os::javaTimeMillis();
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92
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93 Array<Method*>* objectMethods = InstanceKlass::cast(SystemDictionary::Object_klass())->methods();
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94 // Initialize compile queue with a selected set of methods.
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95 int len = objectMethods->length();
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96 for (int i = 0; i < len; i++) {
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97 methodHandle mh = objectMethods->at(i);
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98 if (!mh->is_native() && !mh->is_static() && !mh->is_initializer()) {
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99 ResourceMark rm;
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100 int hot_count = 10; // TODO: what's the appropriate value?
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101 CompileBroker::compile_method(mh, InvocationEntryBci, CompLevel_full_optimization, mh, hot_count, "bootstrap", THREAD);
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102 }
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103 }
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104
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105 int qsize;
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106 jlong sleep_time = 1000;
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107 int z = 0;
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108 do {
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109 os::sleep(THREAD, sleep_time, true);
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110 sleep_time = 100;
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111 qsize = CompileBroker::queue_size(CompLevel_full_optimization);
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112 if (PrintBootstrap) {
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113 while (z < (_methodsCompiled / 100)) {
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114 ++z;
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115 tty->print_raw(".");
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116 }
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117 }
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118 } while (qsize != 0);
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119
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120 if (PrintBootstrap) {
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121 tty->print_cr(" in " JLONG_FORMAT " ms (compiled %d methods)", os::javaTimeMillis() - start, _methodsCompiled);
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122 }
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123 _bootstrapping = false;
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124 #ifndef PRODUCT
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125 if (doCTW) {
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126 compile_the_world();
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127 }
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128 #endif
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129 }
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130
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131 void GraalCompiler::compile_method(methodHandle method, int entry_bci, CompileTask* task) {
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132 GRAAL_EXCEPTION_CONTEXT
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133
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134 bool is_osr = entry_bci != InvocationEntryBci;
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135 if (_bootstrapping && is_osr) {
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136 // no OSR compilations during bootstrap - the compiler is just too slow at this point,
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137 // and we know that there are no endless loops
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138 return;
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139 }
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140
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141 HandleMark hm;
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142 ResourceMark rm;
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143 JavaValue result(T_VOID);
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144 JavaCallArguments args;
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145 args.push_long((jlong) (address) method());
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146 args.push_int(entry_bci);
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147 args.push_long((jlong) (address) task);
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148 args.push_int(task->compile_id());
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149 JavaCalls::call_static(&result, SystemDictionary::CompilationTask_klass(), vmSymbols::compileMetaspaceMethod_name(), vmSymbols::compileMetaspaceMethod_signature(), &args, CHECK_ABORT);
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150
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151 _methodsCompiled++;
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152 }
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153
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154
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155 // Compilation entry point for methods
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156 void GraalCompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) {
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157 ShouldNotReachHere();
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158 }
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159
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160 // Print compilation timers and statistics
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161 void GraalCompiler::print_timers() {
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162 TRACE_graal_1("GraalCompiler::print_timers");
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163 tty->print_cr(" Graal code install time: %6.3f s", _codeInstallTimer.seconds());
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164 }
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165
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166 #endif // COMPILERGRAAL
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167
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168 #ifndef PRODUCT
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169 void GraalCompiler::compile_the_world() {
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170 // We turn off CompileTheWorld so that Graal can
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171 // be compiled by C1/C2 when Graal does a CTW.
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172 CompileTheWorld = false;
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173 HandleMark hm;
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174
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175 JavaThread* THREAD = JavaThread::current();
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176 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/HotSpotGraalRuntime", CHECK_ABORT);
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177 KlassHandle klass = GraalRuntime::load_required_class(name);
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178 TempNewSymbol compileTheWorld = SymbolTable::new_symbol("compileTheWorld", CHECK_ABORT);
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179 JavaValue result(T_VOID);
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180 JavaCallArguments args;
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181 args.push_oop(GraalRuntime::get_HotSpotGraalRuntime());
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182 JavaCalls::call_special(&result, klass, compileTheWorld, vmSymbols::void_method_signature(), &args, CHECK_ABORT);
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183 }
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184 #endif