Mercurial > hg > graal-compiler
annotate graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/GraalCompiler.java @ 12490:4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 18 Oct 2013 23:55:35 +0200 |
parents | 1a4dc163cd0a |
children | c69d0a705553 |
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1 /* |
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2 * Copyright (c) 2009, 2012, 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 package com.oracle.graal.compiler; |
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24 |
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25 import static com.oracle.graal.compiler.GraalCompiler.Options.*; |
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26 import static com.oracle.graal.compiler.MethodFilter.*; |
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27 import static com.oracle.graal.phases.GraalOptions.*; |
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28 |
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29 import java.util.*; |
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30 import java.util.concurrent.*; |
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31 |
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32 import com.oracle.graal.alloc.*; |
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33 import com.oracle.graal.api.code.*; |
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34 import com.oracle.graal.api.meta.*; |
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35 import com.oracle.graal.compiler.alloc.*; |
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36 import com.oracle.graal.compiler.gen.*; |
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37 import com.oracle.graal.compiler.target.*; |
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38 import com.oracle.graal.debug.*; |
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39 import com.oracle.graal.debug.internal.*; |
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40 import com.oracle.graal.lir.*; |
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41 import com.oracle.graal.lir.asm.*; |
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42 import com.oracle.graal.nodes.*; |
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43 import com.oracle.graal.nodes.cfg.*; |
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44 import com.oracle.graal.nodes.spi.*; |
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45 import com.oracle.graal.nodes.util.*; |
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46 import com.oracle.graal.options.*; |
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47 import com.oracle.graal.phases.*; |
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48 import com.oracle.graal.phases.PhasePlan.PhasePosition; |
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49 import com.oracle.graal.phases.common.*; |
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50 import com.oracle.graal.phases.graph.*; |
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51 import com.oracle.graal.phases.schedule.*; |
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52 import com.oracle.graal.phases.tiers.*; |
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53 import com.oracle.graal.phases.util.*; |
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54 |
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55 /** |
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56 * Static methods for orchestrating the compilation of a {@linkplain StructuredGraph graph}. |
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57 */ |
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58 public class GraalCompiler { |
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59 |
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60 private static final DebugTimer FrontEnd = Debug.timer("FrontEnd"); |
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61 private static final DebugTimer BackEnd = Debug.timer("BackEnd"); |
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62 |
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63 /** |
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64 * The set of positive filters specified by the {@code -G:IntrinsificationsEnabled} option. To |
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65 * enable a fast path in {@link #shouldIntrinsify(JavaMethod)}, this field is {@code null} when |
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66 * no enabling/disabling filters are specified. |
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67 */ |
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68 private static final MethodFilter[] positiveIntrinsificationFilter; |
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69 |
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70 /** |
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71 * The set of negative filters specified by the {@code -G:IntrinsificationsDisabled} option. |
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72 */ |
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73 private static final MethodFilter[] negativeIntrinsificationFilter; |
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74 |
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75 static class Options { |
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76 |
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77 // @formatter:off |
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78 /** |
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79 * @see MethodFilter |
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80 */ |
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81 @Option(help = "Pattern for method(s) to which intrinsification (if available) will be applied. " + |
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82 "By default, all available intrinsifications are applied except for methods matched " + |
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83 "by IntrinsificationsDisabled. See MethodFilter class for pattern syntax.") |
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84 public static final OptionValue<String> IntrinsificationsEnabled = new OptionValue<>(null); |
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85 /** |
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86 * @see MethodFilter |
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87 */ |
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88 @Option(help = "Pattern for method(s) to which intrinsification will not be applied. " + |
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89 "See MethodFilter class for pattern syntax.") |
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90 public static final OptionValue<String> IntrinsificationsDisabled = new OptionValue<>(null); |
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91 // @formatter:on |
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92 |
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93 } |
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94 |
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95 static { |
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96 if (IntrinsificationsDisabled.getValue() != null) { |
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97 negativeIntrinsificationFilter = parse(IntrinsificationsDisabled.getValue()); |
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98 } else { |
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99 negativeIntrinsificationFilter = null; |
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100 } |
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101 |
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102 if (Options.IntrinsificationsEnabled.getValue() != null) { |
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103 positiveIntrinsificationFilter = parse(IntrinsificationsEnabled.getValue()); |
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104 } else if (negativeIntrinsificationFilter != null) { |
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105 positiveIntrinsificationFilter = new MethodFilter[0]; |
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106 } else { |
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107 positiveIntrinsificationFilter = null; |
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108 } |
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109 } |
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110 |
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111 /** |
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112 * Determines if a given method should be intrinsified based on the values of |
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113 * {@link Options#IntrinsificationsEnabled} and {@link Options#IntrinsificationsDisabled}. |
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114 */ |
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115 public static boolean shouldIntrinsify(JavaMethod method) { |
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116 if (positiveIntrinsificationFilter == null) { |
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117 return true; |
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118 } |
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119 if (positiveIntrinsificationFilter.length == 0 || matches(positiveIntrinsificationFilter, method)) { |
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120 return negativeIntrinsificationFilter == null || !matches(negativeIntrinsificationFilter, method); |
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121 } |
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122 return false; |
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123 } |
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124 |
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125 /** |
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126 * Requests compilation of a given graph. |
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127 * |
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128 * @param graph the graph to be compiled |
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129 * @param cc the calling convention for calls to the code compiled for {@code graph} |
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130 * @param installedCodeOwner the method the compiled code will be |
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131 * {@linkplain InstalledCode#getMethod() associated} with once installed. This |
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132 * argument can be null. |
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133 * @return the result of the compilation |
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134 */ |
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135 public static <T extends CompilationResult> T compileGraph(final StructuredGraph graph, final CallingConvention cc, final ResolvedJavaMethod installedCodeOwner, final Providers providers, |
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136 final Backend backend, final TargetDescription target, final GraphCache cache, final PhasePlan plan, final OptimisticOptimizations optimisticOpts, |
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137 final SpeculationLog speculationLog, final Suites suites, final T compilationResult) { |
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138 Debug.scope("GraalCompiler", new Object[]{graph, providers.getCodeCache()}, new Runnable() { |
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139 |
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140 public void run() { |
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141 final Assumptions assumptions = new Assumptions(OptAssumptions.getValue()); |
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142 final LIR lir = Debug.scope("FrontEnd", new Callable<LIR>() { |
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143 |
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144 public LIR call() { |
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145 try (TimerCloseable a = FrontEnd.start()) { |
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146 return emitHIR(providers, target, graph, assumptions, cache, plan, optimisticOpts, speculationLog, suites); |
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147 } |
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148 } |
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149 }); |
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150 try (TimerCloseable a = BackEnd.start()) { |
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151 final LIRGenerator lirGen = Debug.scope("BackEnd", lir, new Callable<LIRGenerator>() { |
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152 |
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153 public LIRGenerator call() { |
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154 return emitLIR(backend, target, lir, graph, cc); |
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155 } |
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156 }); |
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157 Debug.scope("CodeGen", lirGen, new Runnable() { |
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158 |
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159 public void run() { |
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160 emitCode(backend, getLeafGraphIdArray(graph), assumptions, lirGen, compilationResult, installedCodeOwner); |
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161 } |
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162 |
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163 }); |
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164 } |
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165 } |
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166 }); |
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167 |
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168 return compilationResult; |
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169 } |
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170 |
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171 private static long[] getLeafGraphIdArray(StructuredGraph graph) { |
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172 long[] leafGraphIdArray = new long[graph.getLeafGraphIds().size() + 1]; |
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173 int i = 0; |
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174 leafGraphIdArray[i++] = graph.graphId(); |
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175 for (long id : graph.getLeafGraphIds()) { |
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176 leafGraphIdArray[i++] = id; |
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177 } |
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178 return leafGraphIdArray; |
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179 } |
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180 |
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181 /** |
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182 * Builds the graph, optimizes it. |
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183 */ |
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184 public static LIR emitHIR(Providers providers, TargetDescription target, final StructuredGraph graph, Assumptions assumptions, GraphCache cache, PhasePlan plan, |
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185 OptimisticOptimizations optimisticOpts, final SpeculationLog speculationLog, final Suites suites) { |
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186 |
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187 if (speculationLog != null) { |
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188 speculationLog.snapshot(); |
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189 } |
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190 |
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191 if (graph.start().next() == null) { |
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192 plan.runPhases(PhasePosition.AFTER_PARSING, graph); |
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193 new DeadCodeEliminationPhase().apply(graph); |
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194 } else { |
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195 Debug.dump(graph, "initial state"); |
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196 } |
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197 |
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198 HighTierContext highTierContext = new HighTierContext(providers, assumptions, cache, plan, optimisticOpts); |
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199 suites.getHighTier().apply(graph, highTierContext); |
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200 |
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201 MidTierContext midTierContext = new MidTierContext(providers, assumptions, target, optimisticOpts); |
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202 suites.getMidTier().apply(graph, midTierContext); |
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203 |
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204 LowTierContext lowTierContext = new LowTierContext(providers, assumptions, target); |
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205 suites.getLowTier().apply(graph, lowTierContext); |
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206 |
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207 // we do not want to store statistics about OSR compilations because it may prevent inlining |
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208 if (!graph.isOSR()) { |
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209 InliningPhase.storeStatisticsAfterLowTier(graph); |
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210 } |
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211 |
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212 final SchedulePhase schedule = new SchedulePhase(); |
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213 schedule.apply(graph); |
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214 Debug.dump(schedule, "final schedule"); |
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215 |
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216 final Block[] blocks = schedule.getCFG().getBlocks(); |
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217 final Block startBlock = schedule.getCFG().getStartBlock(); |
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218 assert startBlock != null; |
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Code clean up and documentation for ComputeBlockOrder class.
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219 assert startBlock.getPredecessorCount() == 0; |
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220 |
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221 return Debug.scope("ComputeLinearScanOrder", new Callable<LIR>() { |
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222 |
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223 @Override |
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224 public LIR call() { |
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225 NodesToDoubles nodeProbabilities = new ComputeProbabilityClosure(graph).apply(); |
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226 List<Block> codeEmittingOrder = ComputeBlockOrder.computeCodeEmittingOrder(blocks.length, startBlock, nodeProbabilities); |
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227 List<Block> linearScanOrder = ComputeBlockOrder.computeLinearScanOrder(blocks.length, startBlock, nodeProbabilities); |
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228 |
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229 LIR lir = new LIR(schedule.getCFG(), schedule.getBlockToNodesMap(), linearScanOrder, codeEmittingOrder); |
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230 Debug.dump(lir, "After linear scan order"); |
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231 return lir; |
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232 |
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233 } |
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234 }); |
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235 |
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236 } |
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237 |
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238 public static LIRGenerator emitLIR(final Backend backend, final TargetDescription target, final LIR lir, StructuredGraph graph, CallingConvention cc) { |
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239 final FrameMap frameMap = backend.newFrameMap(); |
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240 final LIRGenerator lirGen = backend.newLIRGenerator(graph, frameMap, cc, lir); |
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241 |
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242 Debug.scope("LIRGen", lirGen, new Runnable() { |
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243 |
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244 public void run() { |
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245 for (Block b : lir.linearScanOrder()) { |
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246 emitBlock(b); |
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247 } |
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248 |
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249 Debug.dump(lir, "After LIR generation"); |
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250 } |
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251 |
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252 private void emitBlock(Block b) { |
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253 if (lir.lir(b) == null) { |
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254 for (Block pred : b.getPredecessors()) { |
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255 if (!b.isLoopHeader() || !pred.isLoopEnd()) { |
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256 emitBlock(pred); |
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257 } |
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258 } |
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259 lirGen.doBlock(b); |
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260 } |
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261 } |
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262 }); |
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263 |
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moved logic for reserving a special area/slot in a frame (e.g., for use during deoptimization) out of FrameMap and into platform specific backend class
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264 lirGen.beforeRegisterAllocation(); |
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moved logic for reserving a special area/slot in a frame (e.g., for use during deoptimization) out of FrameMap and into platform specific backend class
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265 |
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266 Debug.scope("Allocator", new Runnable() { |
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267 |
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268 public void run() { |
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269 if (backend.shouldAllocateRegisters()) { |
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270 new LinearScan(target, lir, lirGen, frameMap).allocate(); |
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271 } |
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272 } |
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273 }); |
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274 return lirGen; |
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275 } |
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276 |
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introduced installedCodeOwner parameter of type ResolvedJavaMethod to GraalCompiler.compileGraph to properly distinguish the source method of a graph from the method under which the code compiled for the graph will be installed
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277 public static void emitCode(Backend backend, long[] leafGraphIds, Assumptions assumptions, LIRGenerator lirGen, CompilationResult compilationResult, ResolvedJavaMethod installedCodeOwner) { |
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278 TargetMethodAssembler tasm = backend.newAssembler(lirGen, compilationResult); |
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279 backend.emitCode(tasm, lirGen, installedCodeOwner); |
9615
1089d63ef168
removed 'method' parameter from GraalCompiler.compiledMethod() and renamed the latter to 'compileGraph'.
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280 CompilationResult result = tasm.finishTargetMethod(lirGen.getGraph()); |
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first part of refactoring the InliningPhase
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281 if (!assumptions.isEmpty()) { |
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282 result.setAssumptions(assumptions); |
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283 } |
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284 result.setLeafGraphIds(leafGraphIds); |
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285 |
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286 if (Debug.isLogEnabled()) { |
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287 Debug.log("%s", backend.getProviders().getCodeCache().disassemble(result, null)); |
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288 } |
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289 |
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290 Debug.dump(result, "After code generation"); |
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291 } |
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292 } |