Mercurial > hg > graal-jvmci-8
annotate graal/GraalCompiler/src/com/sun/c1x/ir/BlockBegin.java @ 2703:42450f536d24
More cleanup towards separation of graphbuilding<>graph<>lirgeneration
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 18 May 2011 17:04:47 +0200 |
parents | d06cff53b77e |
children | efbdb3ea95c9 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2009, 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 package com.sun.c1x.ir; |
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24 |
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25 import java.util.*; |
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26 |
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27 import com.oracle.graal.graph.*; |
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28 import com.oracle.max.asm.*; |
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29 import com.sun.c1x.*; |
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30 import com.sun.c1x.debug.*; |
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31 import com.sun.c1x.lir.*; |
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32 import com.sun.c1x.util.*; |
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33 import com.sun.c1x.value.*; |
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34 import com.sun.cri.ci.*; |
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35 import com.sun.cri.ri.*; |
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36 |
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37 /** |
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38 * Denotes the beginning of a basic block, and holds information |
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39 * about the basic block, including the successor and |
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40 * predecessor blocks, exception handlers, liveness information, etc. |
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41 */ |
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42 public final class BlockBegin extends StateSplit { |
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43 |
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44 private static final int INPUT_COUNT = 1; |
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45 private static final int INPUT_STATE_BEFORE = 0; |
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46 |
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47 private static final int SUCCESSOR_COUNT = 1; |
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48 private static final int SUCCESSOR_END = 0; |
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49 |
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50 @Override |
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51 protected int inputCount() { |
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52 return super.inputCount() + INPUT_COUNT; |
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53 } |
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54 |
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55 @Override |
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56 protected int successorCount() { |
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57 return super.successorCount() + SUCCESSOR_COUNT; |
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58 } |
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59 |
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60 /** |
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61 * The last node in the block (which contains the successors). |
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62 */ |
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63 public BlockEnd end() { |
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64 return (BlockEnd) successors().get(super.successorCount() + SUCCESSOR_END); |
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65 } |
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66 |
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67 @Override |
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68 public boolean needsStateAfter() { |
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69 return false; |
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70 } |
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71 |
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72 public void setEnd(BlockEnd end) { |
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73 assert end != null; |
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74 BlockEnd old = this.end(); |
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75 if (old != end) { |
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76 if (old != null) { |
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77 // disconnect this block from its current successors |
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78 for (BlockBegin s : old.blockSuccessors()) { |
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79 s.blockPredecessors().remove(this.end()); |
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80 } |
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81 } |
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82 successors().set(super.successorCount() + SUCCESSOR_END, end); |
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83 for (BlockBegin s : end.blockSuccessors()) { |
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84 s.addPredecessor(end); |
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85 } |
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86 } |
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87 } |
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88 |
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89 private static final List<BlockBegin> NO_HANDLERS = Collections.emptyList(); |
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90 |
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91 /** |
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92 * An enumeration of flags for block entries indicating various things. |
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93 */ |
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94 public enum BlockFlag { |
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95 StandardEntry, |
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96 ExceptionEntry, |
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97 BackwardBranchTarget, |
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98 IsOnWorkList, |
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99 WasVisited, |
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100 ParserLoopHeader, |
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101 CriticalEdgeSplit, |
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102 LinearScanLoopHeader, |
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103 LinearScanLoopEnd; |
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104 |
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105 public final int mask = 1 << ordinal(); |
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106 } |
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107 |
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108 /** |
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109 * A unique id used in tracing. |
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110 */ |
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111 public final int blockID; |
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112 |
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113 /** |
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114 * Denotes the current set of {@link BlockBegin.BlockFlag} settings. |
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115 */ |
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116 private int blockFlags; |
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117 |
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118 /** |
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119 * The {@link BlockBegin} nodes for which this node is a successor. |
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120 */ |
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121 private final List<BlockEnd> predecessors; |
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122 |
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123 private int depthFirstNumber; |
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124 private int linearScanNumber; |
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125 |
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126 private BlockBegin dominator; |
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127 private List<BlockBegin> exceptionHandlerBlocks; |
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128 private List<FrameState> exceptionHandlerStates; |
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129 |
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130 // LIR block |
2700 | 131 public final LIRBlock lirBlock = new LIRBlock(); |
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132 |
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133 /** |
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134 * Constructs a new BlockBegin at the specified bytecode index. |
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135 * @param bci the bytecode index of the start |
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136 * @param blockID the ID of the block |
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137 * @param graph |
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138 */ |
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139 public BlockBegin(int bci, int blockID, Graph graph) { |
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140 super(CiKind.Illegal, INPUT_COUNT, SUCCESSOR_COUNT, graph); |
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141 this.blockID = blockID; |
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142 depthFirstNumber = -1; |
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143 linearScanNumber = -1; |
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144 predecessors = new ArrayList<BlockEnd>(2); |
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145 setBCI(bci); |
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146 } |
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147 |
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148 /** |
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149 * Gets the list of predecessors of this block. |
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150 * @return the predecessor list |
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151 */ |
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152 public List<BlockEnd> blockPredecessors() { |
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153 // return Collections.unmodifiableList(predecessors); |
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154 return predecessors; |
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155 } |
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156 |
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157 /** |
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158 * Sets the dominator block for this block. |
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159 * @param dominator the dominator for this block |
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160 */ |
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161 public void setDominator(BlockBegin dominator) { |
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162 this.dominator = dominator; |
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163 } |
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164 |
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165 /** |
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166 * Gets the depth first traversal number of this block. |
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167 * @return the depth first number |
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168 */ |
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169 public int depthFirstNumber() { |
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170 return depthFirstNumber; |
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171 } |
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172 |
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173 /** |
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174 * Gets the linear scan number of this block. |
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175 * @return the linear scan number |
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176 */ |
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177 public int linearScanNumber() { |
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178 return linearScanNumber; |
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179 } |
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180 |
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181 /** |
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182 * Gets the loop depth of this block. |
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183 * @return the loop depth |
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184 */ |
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185 public int loopDepth() { |
2700 | 186 return lirBlock.loopDepth; |
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187 } |
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188 |
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189 /** |
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190 * Gets the loop index of this block. |
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191 * @return the loop index |
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192 */ |
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193 public int loopIndex() { |
2700 | 194 return lirBlock.loopIndex; |
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195 } |
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196 |
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197 /** |
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198 * Gets the exception handlers that cover one or more instructions of this basic block. |
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199 * |
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200 * @return the exception handlers |
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201 */ |
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202 public List<BlockBegin> exceptionHandlerBlocks() { |
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203 return exceptionHandlerBlocks == null ? NO_HANDLERS : exceptionHandlerBlocks; |
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204 } |
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205 |
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206 public List<FrameState> exceptionHandlerStates() { |
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207 return exceptionHandlerStates; |
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208 } |
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209 |
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210 public void setDepthFirstNumber(int depthFirstNumber) { |
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211 assert depthFirstNumber >= 0; |
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212 this.depthFirstNumber = depthFirstNumber; |
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213 } |
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214 |
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215 public void setLinearScanNumber(int linearScanNumber) { |
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216 this.linearScanNumber = linearScanNumber; |
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217 } |
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218 |
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219 public void setLoopDepth(int loopDepth) { |
2700 | 220 this.lirBlock.loopDepth = loopDepth; |
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221 } |
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222 |
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223 public void setLoopIndex(int loopIndex) { |
2700 | 224 this.lirBlock.loopIndex = loopIndex; |
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225 } |
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226 |
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227 /** |
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228 * Set a flag on this block. |
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229 * @param flag the flag to set |
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230 */ |
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231 public void setBlockFlag(BlockFlag flag) { |
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232 blockFlags |= flag.mask; |
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233 } |
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234 |
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235 /** |
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236 * Clear a flag on this block. |
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237 * @param flag the flag to clear |
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238 */ |
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239 public void clearBlockFlag(BlockFlag flag) { |
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240 blockFlags &= ~flag.mask; |
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241 } |
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242 |
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243 public void copyBlockFlag(BlockBegin other, BlockFlag flag) { |
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244 setBlockFlag(flag, other.checkBlockFlag(flag)); |
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245 } |
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246 |
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247 /** |
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248 * Check whether this block has the specified flag set. |
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249 * @param flag the flag to test |
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250 * @return {@code true} if this block has the flag |
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251 */ |
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252 public boolean checkBlockFlag(BlockFlag flag) { |
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253 return (blockFlags & flag.mask) != 0; |
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254 } |
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255 |
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256 /** |
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257 * Iterate over this block, its exception handlers, and its successors, in that order. |
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258 * @param closure the closure to apply to each block |
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259 */ |
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260 public void iteratePreOrder(BlockClosure closure) { |
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261 // XXX: identity hash map might be too slow, consider a boolean array or a mark field |
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262 iterate(new IdentityHashMap<BlockBegin, BlockBegin>(), closure); |
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263 } |
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264 |
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265 /** |
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266 * Iterate over all blocks transitively reachable from this block. |
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267 * @param closure the closure to apply to each block |
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268 * @param predecessors {@code true} if also to include this blocks predecessors |
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269 */ |
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270 public void iterateAnyOrder(BlockClosure closure, boolean predecessors) { |
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271 IdentityHashMap<BlockBegin, BlockBegin> mark = new IdentityHashMap<BlockBegin, BlockBegin>(); |
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272 LinkedList<BlockBegin> queue = new LinkedList<BlockBegin>(); |
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273 queue.offer(this); |
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274 mark.put(this, this); |
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275 BlockBegin block; |
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276 while ((block = queue.poll()) != null) { |
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277 closure.apply(block); |
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278 queueBlocks(queue, block.exceptionHandlerBlocks(), mark); |
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279 queueBlocks(queue, block.end().blockSuccessors(), mark); |
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280 if (predecessors) { |
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281 queueBlockEnds(queue, block.predecessors, mark); |
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282 } |
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283 } |
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284 } |
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285 |
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286 private void queueBlocks(LinkedList<BlockBegin> queue, List<BlockBegin> list, IdentityHashMap<BlockBegin, BlockBegin> mark) { |
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287 if (list != null) { |
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288 for (BlockBegin b : list) { |
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289 if (!mark.containsKey(b)) { |
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290 queue.offer(b); |
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291 mark.put(b, b); |
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292 } |
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293 } |
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294 } |
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295 } |
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296 |
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297 private void queueBlockEnds(LinkedList<BlockBegin> queue, List<BlockEnd> list, IdentityHashMap<BlockBegin, BlockBegin> mark) { |
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298 if (list != null) { |
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299 for (BlockEnd end : list) { |
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300 BlockBegin b = end.begin(); |
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301 if (!mark.containsKey(b)) { |
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302 queue.offer(b); |
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303 mark.put(b, b); |
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304 } |
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305 } |
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306 } |
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307 } |
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308 |
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309 private void iterate(IdentityHashMap<BlockBegin, BlockBegin> mark, BlockClosure closure) { |
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310 if (!mark.containsKey(this)) { |
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311 mark.put(this, this); |
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312 closure.apply(this); |
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313 BlockEnd e = end(); |
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314 if (exceptionHandlerBlocks != null) { |
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315 iterateReverse(mark, closure, exceptionHandlerBlocks); |
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316 } |
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317 assert e != null : "block must have block end"; |
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318 iterateReverse(mark, closure, e.blockSuccessors()); |
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319 } |
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320 } |
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321 |
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322 private void iterateReverse(IdentityHashMap<BlockBegin, BlockBegin> mark, BlockClosure closure, List<BlockBegin> list) { |
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323 for (int i = list.size() - 1; i >= 0; i--) { |
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324 list.get(i).iterate(mark, closure); |
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325 } |
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326 } |
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327 |
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328 /** |
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329 * Adds an exception handler that covers one or more instructions in this block. |
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330 * |
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331 * @param handler the entry block for the exception handler to add |
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332 */ |
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333 public void addExceptionHandler(BlockBegin handler) { |
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334 assert handler != null && handler.checkBlockFlag(BlockBegin.BlockFlag.ExceptionEntry); |
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335 if (exceptionHandlerBlocks == null) { |
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336 exceptionHandlerBlocks = new ArrayList<BlockBegin>(3); |
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337 exceptionHandlerBlocks.add(handler); |
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338 } else if (!exceptionHandlerBlocks.contains(handler)) { |
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339 exceptionHandlerBlocks.add(handler); |
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340 } |
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341 } |
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342 |
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343 /** |
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344 * Adds a frame state that merges into the exception handler whose entry is this block. |
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345 * |
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346 * @param state the frame state at an instruction that raises an exception that can be caught by the exception |
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347 * handler represented by this block |
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348 * @return the index of {@code state} in the list of frame states merging at this block (i.e. the frames states for |
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349 * all instruction throwing an exception caught by this exception handler) |
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350 */ |
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351 public int addExceptionState(FrameState state) { |
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352 assert checkBlockFlag(BlockBegin.BlockFlag.ExceptionEntry); |
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353 if (exceptionHandlerStates == null) { |
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354 exceptionHandlerStates = new ArrayList<FrameState>(4); |
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355 } |
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356 exceptionHandlerStates.add(state); |
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357 return exceptionHandlerStates.size() - 1; |
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358 } |
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359 |
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360 /** |
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361 * Add a predecessor to this block. |
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362 * @param pred the predecessor to add |
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363 */ |
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364 public void addPredecessor(BlockEnd pred) { |
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365 assert pred != null; |
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366 predecessors.add(pred); |
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367 } |
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368 |
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369 /** |
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370 * Removes all occurrences of the specified block from the predecessor list of this block. |
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371 * @param pred the predecessor to remove |
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372 */ |
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373 public void removePredecessor(BlockEnd pred) { |
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374 while (predecessors.remove(pred)) { |
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375 // the block may appear multiple times in the list |
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376 // XXX: this is not very efficient, consider Util.removeAllFromList |
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377 } |
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378 } |
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|
379 |
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380 @Override |
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381 public void accept(ValueVisitor v) { |
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382 v.visitBlockBegin(this); |
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383 } |
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384 |
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385 public void mergeOrClone(FrameStateAccess newState, RiMethod method) { |
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386 FrameState existingState = stateBefore(); |
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387 |
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388 if (existingState == null) { |
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389 // this is the first state for the block |
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390 if (wasVisited()) { |
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391 // this can happen for complex jsr/ret patterns; just bail out |
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392 throw new CiBailout("jsr/ret too complex"); |
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393 } |
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394 |
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395 // copy state because it is modified |
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396 FrameState duplicate = newState.duplicate(bci()); |
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397 assert duplicate.bci == bci() : "duplicate.bci=" + duplicate.bci + " my bci=" + bci(); |
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398 |
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399 if (C1XOptions.UseStackMapTableLiveness) { |
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400 // if a liveness map is available, use it to invalidate dead locals |
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Remove inlining (3rd part)
Gilles Duboscq <gilles.duboscq@oracle.com>
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2564
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401 CiBitMap[] livenessMap = method.livenessMap(); |
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402 if (livenessMap != null && bci() >= 0) { |
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403 assert bci() < livenessMap.length; |
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404 CiBitMap liveness = livenessMap[bci()]; |
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405 if (liveness != null) { |
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406 invalidateDeadLocals(duplicate, liveness); |
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407 } |
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408 } |
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409 } |
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|
410 |
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411 // if the block is a loop header, insert all necessary phis |
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412 if (isParserLoopHeader()) { |
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413 insertLoopPhis(duplicate); |
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414 } |
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415 |
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416 setStateBefore(duplicate); |
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417 } else { |
2581
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added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
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2565
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418 if (!C1XOptions.AssumeVerifiedBytecode && !existingState.isCompatibleWith(newState)) { |
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419 // stacks or locks do not match--bytecodes would not verify |
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420 throw new CiBailout("stack or locks do not match"); |
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421 } |
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422 |
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423 assert existingState.localsSize() == newState.localsSize(); |
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424 assert existingState.stackSize() == newState.stackSize(); |
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425 |
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426 if (wasVisited() && !isParserLoopHeader()) { |
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427 throw new CiBailout("jsr/ret too complicated"); |
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428 } |
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429 |
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430 existingState.merge(this, newState); |
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431 } |
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432 } |
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433 |
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434 private void invalidateDeadLocals(FrameState newState, CiBitMap liveness) { |
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435 int max = newState.localsSize(); |
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436 assert max <= liveness.size(); |
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437 for (int i = 0; i < max; i++) { |
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438 Value x = newState.localAt(i); |
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439 if (x != null) { |
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440 if (!liveness.get(i)) { |
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441 // invalidate the local if it is not live |
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442 newState.invalidateLocal(i); |
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|
443 } |
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|
444 } |
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|
445 } |
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|
446 } |
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|
447 |
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|
448 private void insertLoopPhis(FrameState newState) { |
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449 int stackSize = newState.stackSize(); |
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450 for (int i = 0; i < stackSize; i++) { |
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451 // always insert phis for the stack |
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|
452 newState.setupPhiForStack(this, i); |
2507
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453 } |
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454 int localsSize = newState.localsSize(); |
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|
455 for (int i = 0; i < localsSize; i++) { |
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456 Value x = newState.localAt(i); |
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|
457 if (x != null) { |
2616
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|
458 newState.setupPhiForLocal(this, i); |
2507
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|
459 } |
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|
460 } |
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Pull over of compiler from maxine repository.
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diff
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|
461 } |
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|
462 |
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|
463 public boolean isCriticalEdgeSplit() { |
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464 return checkBlockFlag(BlockFlag.CriticalEdgeSplit); |
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|
465 } |
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|
466 |
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|
467 public void setCriticalEdgeSplit(boolean value) { |
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468 setBlockFlag(BlockFlag.CriticalEdgeSplit, value); |
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|
469 } |
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|
470 |
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471 public boolean isExceptionEntry() { |
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472 return checkBlockFlag(BlockFlag.ExceptionEntry); |
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|
473 } |
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|
474 |
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|
475 public void setExceptionEntry() { |
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476 setBlockFlag(BlockFlag.ExceptionEntry); |
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changeset
|
477 } |
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|
478 |
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|
479 public boolean isOnWorkList() { |
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480 return checkBlockFlag(BlockFlag.IsOnWorkList); |
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|
481 } |
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|
482 |
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483 public void setOnWorkList(boolean value) { |
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Pull over of compiler from maxine repository.
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484 setBlockFlag(BlockFlag.IsOnWorkList, value); |
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changeset
|
485 } |
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|
486 |
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487 public boolean wasVisited() { |
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488 return checkBlockFlag(BlockFlag.WasVisited); |
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|
489 } |
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Pull over of compiler from maxine repository.
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|
490 |
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|
491 public void setWasVisited(boolean value) { |
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Pull over of compiler from maxine repository.
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492 setBlockFlag(BlockFlag.WasVisited, value); |
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|
493 } |
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|
494 |
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|
495 public boolean isParserLoopHeader() { |
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|
496 return checkBlockFlag(BlockFlag.ParserLoopHeader); |
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|
497 } |
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|
498 |
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|
499 public void setParserLoopHeader(boolean value) { |
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500 setBlockFlag(BlockFlag.ParserLoopHeader, value); |
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|
501 } |
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|
502 |
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503 public boolean isLinearScanLoopHeader() { |
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504 return checkBlockFlag(BlockFlag.LinearScanLoopHeader); |
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505 } |
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|
506 |
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507 public boolean isLinearScanLoopEnd() { |
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508 return checkBlockFlag(BlockFlag.LinearScanLoopEnd); |
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509 } |
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|
510 |
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511 private void setBlockFlag(BlockFlag flag, boolean value) { |
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512 if (value) { |
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513 setBlockFlag(flag); |
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514 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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515 clearBlockFlag(flag); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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516 } |
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|
517 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
518 |
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519 @Override |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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520 public String toString() { |
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|
521 StringBuilder builder = new StringBuilder(); |
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522 builder.append("block #"); |
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523 builder.append(blockID); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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524 builder.append(","); |
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parents:
diff
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|
525 builder.append(depthFirstNumber); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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526 builder.append(" @ "); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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527 builder.append(bci()); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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528 builder.append(" ["); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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529 boolean hasFlag = false; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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530 for (BlockFlag f : BlockFlag.values()) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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531 if (checkBlockFlag(f)) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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532 if (hasFlag) { |
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parents:
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533 builder.append(' '); |
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Pull over of compiler from maxine repository.
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parents:
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|
534 } |
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|
535 builder.append(f.name()); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
536 hasFlag = true; |
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parents:
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|
537 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
538 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
539 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
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540 builder.append("]"); |
2621
dd115f80acf8
changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents:
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|
541 if (end() != null) { |
2507
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542 builder.append(" -> "); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
543 boolean hasSucc = false; |
2621
dd115f80acf8
changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
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diff
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|
544 for (BlockBegin s : end().blockSuccessors()) { |
2507
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parents:
diff
changeset
|
545 if (hasSucc) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
546 builder.append(", "); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
547 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
548 builder.append("#"); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
549 builder.append(s.blockID); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
550 hasSucc = true; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
551 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
552 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
553 return builder.toString(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
554 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
555 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
556 /** |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
557 * Get the number of successors. |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
558 * @return the number of successors |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
559 */ |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
560 public int numberOfSux() { |
2621
dd115f80acf8
changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents:
2616
diff
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|
561 return end().blockSuccessorCount(); |
2507
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parents:
diff
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|
562 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
563 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
564 /** |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
565 * Get the successor at a certain position. |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
566 * @param i the position |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
567 * @return the successor |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
568 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
569 public BlockBegin suxAt(int i) { |
2621
dd115f80acf8
changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents:
2616
diff
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|
570 return end().blockSuccessor(i); |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
571 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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changeset
|
572 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
573 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
574 * Get the number of predecessors. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
575 * @return the number of predecessors |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
576 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
577 public int numberOfPreds() { |
2674
6ab73784566a
* BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents:
2645
diff
changeset
|
578 // assert predecessors.size() == predecessors().size(); |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
579 return predecessors.size(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
580 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
581 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
582 /** |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
583 * @return the label associated with the block, used by the LIR |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
584 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
585 public Label label() { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
586 return lirBlock().label; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
587 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
588 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
589 public void setLir(LIRList lir) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
590 lirBlock().setLir(lir); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
591 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
592 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
593 public LIRList lir() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
594 return lirBlock().lir(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
595 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
596 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
597 public LIRBlock lirBlock() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
598 return lirBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
599 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
600 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
601 public int exceptionHandlerPco() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
602 return lirBlock == null ? 0 : lirBlock.exceptionHandlerPCO; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
603 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
604 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
605 public void setExceptionHandlerPco(int codeOffset) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
606 lirBlock().exceptionHandlerPCO = codeOffset; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
607 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
608 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
609 public int numberOfExceptionHandlers() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
610 return exceptionHandlerBlocks == null ? 0 : exceptionHandlerBlocks.size(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
611 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
612 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
613 public BlockBegin exceptionHandlerAt(int i) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
614 return exceptionHandlerBlocks.get(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
615 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
616 |
2674
6ab73784566a
* BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents:
2645
diff
changeset
|
617 public BlockEnd predAt(int j) { |
6ab73784566a
* BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents:
2645
diff
changeset
|
618 // assert predecessors.get(j) == predecessors().get(j); |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
619 return predecessors.get(j); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
620 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
621 |
2674
6ab73784566a
* BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents:
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diff
changeset
|
622 public boolean isPredecessor(BlockEnd block) { |
6ab73784566a
* BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents:
2645
diff
changeset
|
623 // assert predecessors.contains(block) == predecessors().contains(block); |
6ab73784566a
* BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents:
2645
diff
changeset
|
624 return predecessors.contains(block); |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
625 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
626 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
627 public void printWithoutPhis(LogStream out) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
628 // print block id |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
629 BlockEnd end = end(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
630 out.print("B").print(blockID).print(" "); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
631 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
632 // print flags |
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parents:
diff
changeset
|
633 StringBuilder sb = new StringBuilder(8); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
634 if (isExceptionEntry()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
635 sb.append('E'); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
636 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
637 if (isParserLoopHeader()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
638 sb.append("LH"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
639 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
640 if (wasVisited()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
641 sb.append('V'); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
642 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
643 if (sb.length() != 0) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
644 out.print('(').print(sb.toString()).print(')'); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
645 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
646 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
647 // print block bci range |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
648 out.print('[').print(bci()).print(", ").print(end == null ? -1 : end.bci()).print(']'); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
649 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
650 // print block successors |
2581
4a36a0bd6d18
added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents:
2565
diff
changeset
|
651 if (end != null && end.blockSuccessors().size() > 0) { |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
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changeset
|
652 out.print(" ."); |
2581
4a36a0bd6d18
added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents:
2565
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|
653 for (BlockBegin successor : end.blockSuccessors()) { |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
654 out.print(" B").print(successor.blockID); |
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parents:
diff
changeset
|
655 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
656 } |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
657 // print exception handlers |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
658 if (!exceptionHandlers().isEmpty()) { |
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Pull over of compiler from maxine repository.
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parents:
diff
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|
659 out.print(" (xhandlers"); |
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Pull over of compiler from maxine repository.
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parents:
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|
660 for (BlockBegin handler : exceptionHandlerBlocks()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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661 out.print(" B").print(handler.blockID); |
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|
662 } |
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parents:
diff
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|
663 out.print(')'); |
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parents:
diff
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|
664 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
665 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
666 // print predecessors |
2581
4a36a0bd6d18
added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents:
2565
diff
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|
667 if (!blockPredecessors().isEmpty()) { |
2507
9ec15d6914ca
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changeset
|
668 out.print(" pred:"); |
2674
6ab73784566a
* BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents:
2645
diff
changeset
|
669 for (BlockEnd pred : blockPredecessors()) { |
6ab73784566a
* BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents:
2645
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|
670 out.print(" B").print(pred.begin().blockID); |
2507
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diff
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|
671 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
672 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
673 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
674 |
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parents:
diff
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|
675 @Override |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
676 public void print(LogStream out) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
677 |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
678 printWithoutPhis(out); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
679 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
680 // print phi functions |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
681 boolean hasPhisInLocals = false; |
9ec15d6914ca
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parents:
diff
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|
682 boolean hasPhisOnStack = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
683 |
2621
dd115f80acf8
changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents:
2616
diff
changeset
|
684 if (end() != null && end().stateAfter() != null) { |
2507
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
685 FrameState state = stateBefore(); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
686 |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
687 int i = 0; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
688 while (!hasPhisOnStack && i < state.stackSize()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
689 Value value = state.stackAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
690 hasPhisOnStack = isPhiAtBlock(value); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
691 if (value != null && !value.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
692 i += value.kind.sizeInSlots(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
693 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
694 i++; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
695 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
696 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
697 |
2564
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
698 for (i = 0; !hasPhisInLocals && i < state.localsSize();) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
699 Value value = state.localAt(i); |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
700 hasPhisInLocals = isPhiAtBlock(value); |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
701 // also ignore illegal HiWords |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
702 if (value != null && !value.isIllegal()) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
703 i += value.kind.sizeInSlots(); |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
704 } else { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
705 i++; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
706 } |
2564
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
707 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
708 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
709 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
710 // print values in locals |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
711 if (hasPhisInLocals) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
712 out.println(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
713 out.println("Locals:"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
714 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
715 FrameState state = stateBefore(); |
2564
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
716 int i = 0; |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
717 while (i < state.localsSize()) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
718 Value value = state.localAt(i); |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
719 if (value != null) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
720 out.println(stateString(i, value)); |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
721 // also ignore illegal HiWords |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
722 i += value.isIllegal() ? 1 : value.kind.sizeInSlots(); |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
723 } else { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
724 i++; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
725 } |
2564
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
726 } |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
727 out.println(); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
728 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
729 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
730 // print values on stack |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
731 if (hasPhisOnStack) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
732 out.println(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
733 out.println("Stack:"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
734 int i = 0; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
735 while (i < stateBefore().stackSize()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
736 Value value = stateBefore().stackAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
737 if (value != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
738 out.println(stateString(i, value)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
739 i += value.kind.sizeInSlots(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
740 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
741 i++; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
742 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
743 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
744 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
745 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
746 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
747 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
748 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
749 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
750 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
751 * Determines if a given instruction is a phi whose {@linkplain Phi#block() join block} is a given block. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
752 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
753 * @param value the instruction to test |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
754 * @param block the block that may be the join block of {@code value} if {@code value} is a phi |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
755 * @return {@code true} if {@code value} is a phi and its join block is {@code block} |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
756 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
757 private boolean isPhiAtBlock(Value value) { |
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758 return value instanceof Phi && ((Phi) value).block() == this; |
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759 } |
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760 |
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761 |
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762 /** |
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763 * Formats a given instruction as a value in a {@linkplain FrameState frame state}. If the instruction is a phi defined at a given |
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764 * block, its {@linkplain Phi#phiInputCount() inputs} are appended to the returned string. |
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765 * |
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766 * @param index the index of the value in the frame state |
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767 * @param value the frame state value |
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768 * @param block if {@code value} is a phi, then its inputs are formatted if {@code block} is its |
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769 * {@linkplain Phi#block() join point} |
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770 * @return the instruction representation as a string |
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771 */ |
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772 public String stateString(int index, Value value) { |
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773 StringBuilder sb = new StringBuilder(30); |
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774 sb.append(String.format("%2d %s", index, Util.valueString(value))); |
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775 if (value instanceof Phi) { |
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776 Phi phi = (Phi) value; |
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777 // print phi operands |
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778 if (phi.block() == this) { |
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779 sb.append(" ["); |
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780 for (int j = 0; j < phi.phiInputCount(); j++) { |
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781 sb.append(' '); |
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782 Value operand = phi.inputAt(j); |
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783 if (operand != null) { |
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784 sb.append(Util.valueString(operand)); |
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785 } else { |
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786 sb.append("NULL"); |
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787 } |
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788 } |
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789 sb.append("] "); |
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790 } |
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791 } |
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792 if (value != null && value.hasSubst()) { |
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793 sb.append("alias ").append(Util.valueString(value.subst())); |
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794 } |
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795 return sb.toString(); |
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796 } |
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797 |
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798 @Override |
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799 public String shortName() { |
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800 return "BlockBegin #" + blockID; |
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801 } |
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802 |
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803 |
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804 } |