Mercurial > hg > graal-compiler
annotate graal/GraalCompiler/src/com/sun/c1x/ir/BlockBegin.java @ 2634:4dd0573f510b
FrameState fixes.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 11 May 2011 10:52:37 +0200 |
parents | 62ff4a70f07e |
children | 8c02ca1e9eb1 |
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.sun.c1x.*; |
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29 import com.sun.c1x.asm.*; |
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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); |
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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(this); |
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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 SubroutineEntry, |
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98 BackwardBranchTarget, |
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99 IsOnWorkList, |
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100 WasVisited, |
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101 DefaultExceptionHandler, |
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102 ParserLoopHeader, |
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103 CriticalEdgeSplit, |
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104 LinearScanLoopHeader, |
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105 LinearScanLoopEnd; |
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106 |
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107 public final int mask = 1 << ordinal(); |
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108 } |
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109 |
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110 /** |
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111 * A unique id used in tracing. |
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112 */ |
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113 public final int blockID; |
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114 |
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115 /** |
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116 * Denotes the current set of {@link BlockBegin.BlockFlag} settings. |
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117 */ |
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118 private int blockFlags; |
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119 |
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120 /** |
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121 * The {@link BlockBegin} nodes for which this node is a successor. |
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122 */ |
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123 private final List<BlockBegin> predecessors; |
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124 |
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125 private int depthFirstNumber; |
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126 private int linearScanNumber; |
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127 private int loopDepth; |
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128 private int loopIndex; |
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129 |
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130 private BlockBegin dominator; |
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131 private List<BlockBegin> exceptionHandlerBlocks; |
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132 private List<FrameState> exceptionHandlerStates; |
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133 |
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134 // LIR block |
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135 public LIRBlock lirBlock; |
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136 |
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137 /** |
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138 * Constructs a new BlockBegin at the specified bytecode index. |
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139 * @param bci the bytecode index of the start |
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140 * @param blockID the ID of the block |
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141 * @param graph |
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142 */ |
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143 public BlockBegin(int bci, int blockID, Graph graph) { |
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144 super(CiKind.Illegal, INPUT_COUNT, SUCCESSOR_COUNT, graph); |
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145 this.blockID = blockID; |
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146 depthFirstNumber = -1; |
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147 linearScanNumber = -1; |
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148 predecessors = new ArrayList<BlockBegin>(2); |
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149 loopIndex = -1; |
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150 setBCI(bci); |
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151 } |
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152 |
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153 /** |
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154 * Gets the list of predecessors of this block. |
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155 * @return the predecessor list |
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156 */ |
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157 public List<BlockBegin> blockPredecessors() { |
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158 return predecessors; |
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159 } |
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160 |
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161 /** |
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162 * Gets the dominator of this block. |
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163 * @return the dominator block |
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164 */ |
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165 public BlockBegin dominator() { |
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166 return dominator; |
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167 } |
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168 |
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169 /** |
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170 * Sets the dominator block for this block. |
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171 * @param dominator the dominator for this block |
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172 */ |
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173 public void setDominator(BlockBegin dominator) { |
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174 this.dominator = dominator; |
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175 } |
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176 |
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177 /** |
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178 * Gets the depth first traversal number of this block. |
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179 * @return the depth first number |
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180 */ |
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181 public int depthFirstNumber() { |
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182 return depthFirstNumber; |
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183 } |
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184 |
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185 /** |
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186 * Gets the linear scan number of this block. |
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187 * @return the linear scan number |
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188 */ |
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189 public int linearScanNumber() { |
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190 return linearScanNumber; |
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191 } |
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192 |
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193 /** |
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194 * Gets the loop depth of this block. |
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195 * @return the loop depth |
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196 */ |
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197 public int loopDepth() { |
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198 return loopDepth; |
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199 } |
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200 |
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201 /** |
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202 * Gets the loop index of this block. |
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203 * @return the loop index |
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204 */ |
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205 public int loopIndex() { |
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206 return loopIndex; |
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207 } |
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208 |
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209 /** |
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210 * Gets the exception handlers that cover one or more instructions of this basic block. |
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211 * |
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212 * @return the exception handlers |
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213 */ |
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214 public List<BlockBegin> exceptionHandlerBlocks() { |
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215 return exceptionHandlerBlocks == null ? NO_HANDLERS : exceptionHandlerBlocks; |
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216 } |
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217 |
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218 public List<FrameState> exceptionHandlerStates() { |
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219 return exceptionHandlerStates; |
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220 } |
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221 |
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222 public void setDepthFirstNumber(int depthFirstNumber) { |
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223 assert depthFirstNumber >= 0; |
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224 this.depthFirstNumber = depthFirstNumber; |
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225 } |
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226 |
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227 public void setLinearScanNumber(int linearScanNumber) { |
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228 this.linearScanNumber = linearScanNumber; |
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229 } |
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230 |
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231 public void setLoopDepth(int loopDepth) { |
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232 this.loopDepth = loopDepth; |
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233 } |
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234 |
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235 public void setLoopIndex(int loopIndex) { |
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236 this.loopIndex = loopIndex; |
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237 } |
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238 |
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239 /** |
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240 * Set a flag on this block. |
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241 * @param flag the flag to set |
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242 */ |
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243 public void setBlockFlag(BlockFlag flag) { |
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244 blockFlags |= flag.mask; |
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245 } |
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246 |
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247 /** |
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248 * Clear a flag on this block. |
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249 * @param flag the flag to clear |
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250 */ |
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251 public void clearBlockFlag(BlockFlag flag) { |
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252 blockFlags &= ~flag.mask; |
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253 } |
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254 |
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255 public void copyBlockFlag(BlockBegin other, BlockFlag flag) { |
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256 setBlockFlag(flag, other.checkBlockFlag(flag)); |
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257 } |
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258 |
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259 /** |
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260 * Check whether this block has the specified flag set. |
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261 * @param flag the flag to test |
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262 * @return {@code true} if this block has the flag |
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263 */ |
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264 public boolean checkBlockFlag(BlockFlag flag) { |
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265 return (blockFlags & flag.mask) != 0; |
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266 } |
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267 |
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268 /** |
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269 * Iterate over this block, its exception handlers, and its successors, in that order. |
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270 * @param closure the closure to apply to each block |
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271 */ |
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272 public void iteratePreOrder(BlockClosure closure) { |
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273 // XXX: identity hash map might be too slow, consider a boolean array or a mark field |
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274 iterate(new IdentityHashMap<BlockBegin, BlockBegin>(), closure); |
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275 } |
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276 |
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277 /** |
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278 * Iterate over all blocks transitively reachable from this block. |
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279 * @param closure the closure to apply to each block |
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280 * @param predecessors {@code true} if also to include this blocks predecessors |
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281 */ |
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282 public void iterateAnyOrder(BlockClosure closure, boolean predecessors) { |
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283 IdentityHashMap<BlockBegin, BlockBegin> mark = new IdentityHashMap<BlockBegin, BlockBegin>(); |
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284 LinkedList<BlockBegin> queue = new LinkedList<BlockBegin>(); |
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285 queue.offer(this); |
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286 mark.put(this, this); |
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287 BlockBegin block; |
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288 while ((block = queue.poll()) != null) { |
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289 closure.apply(block); |
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290 queueBlocks(queue, block.exceptionHandlerBlocks(), mark); |
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291 queueBlocks(queue, block.end().blockSuccessors(), mark); |
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292 queueBlocks(queue, predecessors ? block.predecessors : null, mark); |
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293 } |
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294 } |
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295 |
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296 private void queueBlocks(LinkedList<BlockBegin> queue, List<BlockBegin> list, IdentityHashMap<BlockBegin, BlockBegin> mark) { |
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297 if (list != null) { |
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298 for (BlockBegin b : list) { |
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299 if (!mark.containsKey(b)) { |
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300 queue.offer(b); |
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301 mark.put(b, b); |
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302 } |
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303 } |
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304 } |
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305 } |
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306 |
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307 private void iterate(IdentityHashMap<BlockBegin, BlockBegin> mark, BlockClosure closure) { |
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308 if (!mark.containsKey(this)) { |
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309 mark.put(this, this); |
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310 closure.apply(this); |
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311 BlockEnd e = end(); |
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312 if (exceptionHandlerBlocks != null) { |
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313 iterateReverse(mark, closure, exceptionHandlerBlocks); |
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314 } |
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315 assert e != null : "block must have block end"; |
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316 iterateReverse(mark, closure, e.blockSuccessors()); |
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317 } |
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318 } |
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319 |
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320 private void iterateReverse(IdentityHashMap<BlockBegin, BlockBegin> mark, BlockClosure closure, List<BlockBegin> list) { |
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321 for (int i = list.size() - 1; i >= 0; i--) { |
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322 list.get(i).iterate(mark, closure); |
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323 } |
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324 } |
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325 |
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326 /** |
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327 * Adds an exception handler that covers one or more instructions in this block. |
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328 * |
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329 * @param handler the entry block for the exception handler to add |
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330 */ |
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331 public void addExceptionHandler(BlockBegin handler) { |
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332 assert handler != null && handler.checkBlockFlag(BlockBegin.BlockFlag.ExceptionEntry); |
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333 if (exceptionHandlerBlocks == null) { |
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334 exceptionHandlerBlocks = new ArrayList<BlockBegin>(3); |
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335 exceptionHandlerBlocks.add(handler); |
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336 } else if (!exceptionHandlerBlocks.contains(handler)) { |
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337 exceptionHandlerBlocks.add(handler); |
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338 } |
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339 } |
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340 |
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341 /** |
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342 * Adds a frame state that merges into the exception handler whose entry is this block. |
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343 * |
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344 * @param state the frame state at an instruction that raises an exception that can be caught by the exception |
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345 * handler represented by this block |
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346 * @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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347 * all instruction throwing an exception caught by this exception handler) |
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348 */ |
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349 public int addExceptionState(FrameState state) { |
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350 assert checkBlockFlag(BlockBegin.BlockFlag.ExceptionEntry); |
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351 if (exceptionHandlerStates == null) { |
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352 exceptionHandlerStates = new ArrayList<FrameState>(4); |
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353 } |
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354 exceptionHandlerStates.add(state); |
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355 return exceptionHandlerStates.size() - 1; |
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356 } |
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357 |
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358 /** |
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359 * Add a predecessor to this block. |
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360 * @param pred the predecessor to add |
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361 */ |
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362 public void addPredecessor(BlockBegin pred) { |
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363 predecessors.add(pred); |
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364 } |
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365 |
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366 /** |
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367 * Removes all occurrences of the specified block from the predecessor list of this block. |
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368 * @param pred the predecessor to remove |
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369 */ |
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370 public void removePredecessor(BlockBegin pred) { |
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371 while (predecessors.remove(pred)) { |
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372 // the block may appear multiple times in the list |
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373 // XXX: this is not very efficient, consider Util.removeAllFromList |
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374 } |
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375 } |
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376 |
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377 @Override |
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378 public void accept(ValueVisitor v) { |
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379 v.visitBlockBegin(this); |
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380 } |
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381 |
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382 public void mergeOrClone(FrameStateAccess newState, RiMethod method) { |
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383 FrameState existingState = stateBefore(); |
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384 |
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385 if (existingState == null) { |
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386 // this is the first state for the block |
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387 if (wasVisited()) { |
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388 // this can happen for complex jsr/ret patterns; just bail out |
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389 throw new CiBailout("jsr/ret too complex"); |
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390 } |
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|
391 |
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392 // copy state because it is modified |
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393 FrameState duplicate = newState.duplicate(); |
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394 |
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395 if (C1XOptions.UseStackMapTableLiveness) { |
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396 // 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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|
397 CiBitMap[] livenessMap = method.livenessMap(); |
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398 if (livenessMap != null && bci() >= 0) { |
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399 assert bci() < livenessMap.length; |
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400 CiBitMap liveness = livenessMap[bci()]; |
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401 if (liveness != null) { |
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402 invalidateDeadLocals(duplicate, liveness); |
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403 } |
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404 } |
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|
405 } |
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|
406 |
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407 // if the block is a loop header, insert all necessary phis |
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408 if (isParserLoopHeader()) { |
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409 insertLoopPhis(duplicate); |
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410 } |
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411 |
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412 setStateBefore(duplicate); |
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413 } 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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414 if (!C1XOptions.AssumeVerifiedBytecode && !existingState.isCompatibleWith(newState)) { |
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415 // stacks or locks do not match--bytecodes would not verify |
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416 throw new CiBailout("stack or locks do not match"); |
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417 } |
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418 |
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419 assert existingState.localsSize() == newState.localsSize(); |
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420 assert existingState.stackSize() == newState.stackSize(); |
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|
421 |
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422 if (wasVisited() && !isParserLoopHeader()) { |
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423 throw new CiBailout("jsr/ret too complicated"); |
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424 } |
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425 |
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426 existingState.merge(this, newState); |
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427 } |
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|
428 } |
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|
429 |
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430 private void invalidateDeadLocals(FrameState newState, CiBitMap liveness) { |
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431 int max = newState.localsSize(); |
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432 assert max <= liveness.size(); |
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433 for (int i = 0; i < max; i++) { |
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434 Value x = newState.localAt(i); |
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435 if (x != null) { |
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436 if (!liveness.get(i)) { |
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437 // invalidate the local if it is not live |
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438 newState.invalidateLocal(i); |
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|
439 } |
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|
440 } |
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|
441 } |
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|
442 } |
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|
443 |
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|
444 private void insertLoopPhis(FrameState newState) { |
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445 int stackSize = newState.stackSize(); |
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446 for (int i = 0; i < stackSize; i++) { |
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|
447 // always insert phis for the stack |
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|
448 newState.setupPhiForStack(this, i); |
2507
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|
449 } |
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|
450 int localsSize = newState.localsSize(); |
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451 for (int i = 0; i < localsSize; i++) { |
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|
452 Value x = newState.localAt(i); |
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|
453 if (x != null) { |
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|
454 newState.setupPhiForLocal(this, i); |
2507
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|
455 } |
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Pull over of compiler from maxine repository.
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|
456 } |
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Pull over of compiler from maxine repository.
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diff
changeset
|
457 } |
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|
458 |
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|
459 public boolean isStandardEntry() { |
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changeset
|
460 return checkBlockFlag(BlockFlag.StandardEntry); |
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diff
changeset
|
461 } |
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diff
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|
462 |
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|
463 public void setStandardEntry() { |
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|
464 setBlockFlag(BlockFlag.StandardEntry); |
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diff
changeset
|
465 } |
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|
466 |
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|
467 public boolean isBackwardBranchTarget() { |
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468 return checkBlockFlag(BlockFlag.BackwardBranchTarget); |
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Pull over of compiler from maxine repository.
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|
469 } |
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|
470 |
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|
471 public void setBackwardBranchTarget(boolean value) { |
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472 setBlockFlag(BlockFlag.BackwardBranchTarget, value); |
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diff
changeset
|
473 } |
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|
474 |
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diff
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|
475 public boolean isCriticalEdgeSplit() { |
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|
476 return checkBlockFlag(BlockFlag.CriticalEdgeSplit); |
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diff
changeset
|
477 } |
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Pull over of compiler from maxine repository.
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diff
changeset
|
478 |
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changeset
|
479 public void setCriticalEdgeSplit(boolean value) { |
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Pull over of compiler from maxine repository.
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|
480 setBlockFlag(BlockFlag.CriticalEdgeSplit, value); |
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Pull over of compiler from maxine repository.
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diff
changeset
|
481 } |
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diff
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|
482 |
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Pull over of compiler from maxine repository.
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diff
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|
483 public boolean isExceptionEntry() { |
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Pull over of compiler from maxine repository.
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|
484 return checkBlockFlag(BlockFlag.ExceptionEntry); |
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Pull over of compiler from maxine repository.
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diff
changeset
|
485 } |
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Pull over of compiler from maxine repository.
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diff
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|
486 |
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|
487 public void setExceptionEntry() { |
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|
488 setBlockFlag(BlockFlag.ExceptionEntry); |
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Pull over of compiler from maxine repository.
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diff
changeset
|
489 } |
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Pull over of compiler from maxine repository.
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changeset
|
490 |
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diff
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|
491 public boolean isSubroutineEntry() { |
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492 return checkBlockFlag(BlockFlag.SubroutineEntry); |
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changeset
|
493 } |
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Pull over of compiler from maxine repository.
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|
494 |
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|
495 public void setSubroutineEntry() { |
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Pull over of compiler from maxine repository.
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|
496 setBlockFlag(BlockFlag.SubroutineEntry); |
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|
497 } |
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|
498 |
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|
499 public boolean isOnWorkList() { |
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|
500 return checkBlockFlag(BlockFlag.IsOnWorkList); |
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|
501 } |
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|
502 |
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|
503 public void setOnWorkList(boolean value) { |
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504 setBlockFlag(BlockFlag.IsOnWorkList, value); |
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|
505 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
506 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
507 public boolean wasVisited() { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
508 return checkBlockFlag(BlockFlag.WasVisited); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
509 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
510 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
511 public void setWasVisited(boolean value) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
512 setBlockFlag(BlockFlag.WasVisited, value); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
513 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
514 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
515 public boolean isParserLoopHeader() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
516 return checkBlockFlag(BlockFlag.ParserLoopHeader); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
517 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
518 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
519 public void setParserLoopHeader(boolean value) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
520 setBlockFlag(BlockFlag.ParserLoopHeader, value); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
521 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
522 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
523 public boolean isLinearScanLoopHeader() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
524 return checkBlockFlag(BlockFlag.LinearScanLoopHeader); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
525 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
526 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
527 public void setLinearScanLoopHeader(boolean value) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
528 setBlockFlag(BlockFlag.LinearScanLoopHeader, value); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
529 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
530 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
531 public boolean isLinearScanLoopEnd() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
532 return checkBlockFlag(BlockFlag.LinearScanLoopEnd); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
533 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
534 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
535 public void setLinearScanLoopEnd(boolean value) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
536 setBlockFlag(BlockFlag.LinearScanLoopEnd, value); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
537 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
538 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
539 private void setBlockFlag(BlockFlag flag, boolean value) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
540 if (value) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
541 setBlockFlag(flag); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
542 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
543 clearBlockFlag(flag); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
544 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
545 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
546 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
547 public void copyBlockFlags(BlockBegin other) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
548 copyBlockFlag(other, BlockBegin.BlockFlag.ParserLoopHeader); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
549 copyBlockFlag(other, BlockBegin.BlockFlag.SubroutineEntry); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
550 copyBlockFlag(other, BlockBegin.BlockFlag.ExceptionEntry); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
551 copyBlockFlag(other, BlockBegin.BlockFlag.WasVisited); |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
554 @Override |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
555 public String toString() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
556 StringBuilder builder = new StringBuilder(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
557 builder.append("block #"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
558 builder.append(blockID); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
559 builder.append(","); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
560 builder.append(depthFirstNumber); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
561 builder.append(" @ "); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
562 builder.append(bci()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
563 builder.append(" ["); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
564 boolean hasFlag = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
565 for (BlockFlag f : BlockFlag.values()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
566 if (checkBlockFlag(f)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
567 if (hasFlag) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
568 builder.append(' '); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
569 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
570 builder.append(f.name()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
571 hasFlag = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
575 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:
2616
diff
changeset
|
576 if (end() != null) { |
2507
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
577 builder.append(" -> "); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
578 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>
parents:
2616
diff
changeset
|
579 for (BlockBegin s : end().blockSuccessors()) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
580 if (hasSucc) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
581 builder.append(", "); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
582 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
583 builder.append("#"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
584 builder.append(s.blockID); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
585 hasSucc = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
586 } |
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 return builder.toString(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
589 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
590 |
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 * Get the number of successors. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
593 * @return the number of successors |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
594 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
595 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
changeset
|
596 return end().blockSuccessorCount(); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
597 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
598 |
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 * Get the successor at a certain position. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
601 * @param i the position |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
602 * @return the successor |
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 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
changeset
|
605 return end().blockSuccessor(i); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
606 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
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 * Get the number of predecessors. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
610 * @return the number of predecessors |
9ec15d6914ca
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 public int numberOfPreds() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
613 return predecessors.size(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
614 } |
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 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
617 * @return the label associated with the block, used by the LIR |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
618 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
619 public Label label() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
620 return lirBlock().label; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
621 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
622 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
623 public void setLir(LIRList lir) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
624 lirBlock().setLir(lir); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
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 LIRList lir() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
628 return lirBlock().lir(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
629 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
630 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
631 public LIRBlock lirBlock() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
632 if (lirBlock == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
633 lirBlock = new LIRBlock(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
634 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
635 return lirBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
636 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
637 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
638 public int exceptionHandlerPco() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
639 return lirBlock == null ? 0 : lirBlock.exceptionHandlerPCO; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
640 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
641 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
642 public void setExceptionHandlerPco(int codeOffset) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
643 lirBlock().exceptionHandlerPCO = codeOffset; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
644 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
645 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
646 public int numberOfExceptionHandlers() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
647 return exceptionHandlerBlocks == null ? 0 : exceptionHandlerBlocks.size(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
648 } |
9ec15d6914ca
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 public BlockBegin exceptionHandlerAt(int i) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
651 return exceptionHandlerBlocks.get(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
652 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
653 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
654 public BlockBegin predAt(int j) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
655 return predecessors.get(j); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
656 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
657 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
658 public int firstLirInstructionId() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
659 return lirBlock.firstLirInstructionID; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
660 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
661 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
662 public void setFirstLirInstructionId(int firstLirInstructionId) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
663 lirBlock.firstLirInstructionID = firstLirInstructionId; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
664 } |
9ec15d6914ca
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 public int lastLirInstructionId() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
667 return lirBlock.lastLirInstructionID; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
668 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
669 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
670 public void setLastLirInstructionId(int lastLirInstructionId) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
671 lirBlock.lastLirInstructionID = lastLirInstructionId; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
672 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
673 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
674 public boolean isPredecessor(BlockBegin block) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
675 return this.predecessors.contains(block); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
676 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
677 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
678 public void printWithoutPhis(LogStream out) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
679 // print block id |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
680 BlockEnd end = end(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
681 out.print("B").print(blockID).print(" "); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
682 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
683 // print flags |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
684 StringBuilder sb = new StringBuilder(8); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
685 if (isStandardEntry()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
686 sb.append('S'); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
687 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
688 if (isExceptionEntry()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
689 sb.append('E'); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
690 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
691 if (isSubroutineEntry()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
692 sb.append('s'); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
693 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
694 if (isParserLoopHeader()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
695 sb.append("LH"); |
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 if (isBackwardBranchTarget()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
698 sb.append('b'); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
699 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
700 if (wasVisited()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
701 sb.append('V'); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
702 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
703 if (sb.length() != 0) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
704 out.print('(').print(sb.toString()).print(')'); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
705 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
706 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
707 // print block bci range |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
708 out.print('[').print(bci()).print(", ").print(end == null ? -1 : end.bci()).print(']'); |
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 block successors |
2581
4a36a0bd6d18
added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents:
2565
diff
changeset
|
711 if (end != null && end.blockSuccessors().size() > 0) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
712 out.print(" ."); |
2581
4a36a0bd6d18
added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents:
2565
diff
changeset
|
713 for (BlockBegin successor : end.blockSuccessors()) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
714 out.print(" B").print(successor.blockID); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
715 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
716 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
717 // print exception handlers |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
718 if (!exceptionHandlers().isEmpty()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
719 out.print(" (xhandlers"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
720 for (BlockBegin handler : exceptionHandlerBlocks()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
721 out.print(" B").print(handler.blockID); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
722 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
723 out.print(')'); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
724 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
725 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
726 // print dominator block |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
727 if (dominator() != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
728 out.print(" dom B").print(dominator().blockID); |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
731 // print predecessors |
2581
4a36a0bd6d18
added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents:
2565
diff
changeset
|
732 if (!blockPredecessors().isEmpty()) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
733 out.print(" pred:"); |
2581
4a36a0bd6d18
added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents:
2565
diff
changeset
|
734 for (BlockBegin pred : blockPredecessors()) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
735 out.print(" B").print(pred.blockID); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
736 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
737 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
738 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
739 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
740 @Override |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
741 public void print(LogStream out) { |
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 printWithoutPhis(out); |
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 // print phi functions |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
746 boolean hasPhisInLocals = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
747 boolean hasPhisOnStack = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
748 |
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
|
749 if (end() != null && end().stateAfter() != null) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
750 FrameState state = stateBefore(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
751 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
752 int i = 0; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
753 while (!hasPhisOnStack && i < state.stackSize()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
754 Value value = state.stackAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
755 hasPhisOnStack = isPhiAtBlock(value); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
756 if (value != null && !value.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
757 i += value.kind.sizeInSlots(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
758 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
759 i++; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
760 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
761 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
762 |
2564
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
763 for (i = 0; !hasPhisInLocals && i < state.localsSize();) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2516
diff
changeset
|
764 Value value = state.localAt(i); |
274360f98f97
Remove inlining (2nd part) removed IRScope
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765 hasPhisInLocals = isPhiAtBlock(value); |
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766 // also ignore illegal HiWords |
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767 if (value != null && !value.isIllegal()) { |
274360f98f97
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768 i += value.kind.sizeInSlots(); |
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769 } else { |
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770 i++; |
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|
771 } |
2564
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772 } |
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773 } |
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774 |
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775 // print values in locals |
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776 if (hasPhisInLocals) { |
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777 out.println(); |
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778 out.println("Locals:"); |
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779 |
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780 FrameState state = stateBefore(); |
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781 int i = 0; |
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782 while (i < state.localsSize()) { |
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783 Value value = state.localAt(i); |
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784 if (value != null) { |
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785 out.println(stateString(i, value)); |
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786 // also ignore illegal HiWords |
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changeset
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787 i += value.isIllegal() ? 1 : value.kind.sizeInSlots(); |
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788 } else { |
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789 i++; |
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|
790 } |
2564
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791 } |
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792 out.println(); |
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793 } |
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794 |
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795 // print values on stack |
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changeset
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796 if (hasPhisOnStack) { |
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797 out.println(); |
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798 out.println("Stack:"); |
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799 int i = 0; |
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800 while (i < stateBefore().stackSize()) { |
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801 Value value = stateBefore().stackAt(i); |
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802 if (value != null) { |
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803 out.println(stateString(i, value)); |
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804 i += value.kind.sizeInSlots(); |
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805 } else { |
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Pull over of compiler from maxine repository.
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806 i++; |
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|
807 } |
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changeset
|
808 } |
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809 } |
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810 |
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811 } |
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|
812 |
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813 |
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|
814 |
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815 /** |
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816 * Determines if a given instruction is a phi whose {@linkplain Phi#block() join block} is a given block. |
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817 * |
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|
818 * @param value the instruction to test |
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parents:
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819 * @param block the block that may be the join block of {@code value} if {@code value} is a phi |
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820 * @return {@code true} if {@code value} is a phi and its join block is {@code block} |
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821 */ |
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822 private boolean isPhiAtBlock(Value value) { |
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823 return value instanceof Phi && ((Phi) value).block() == this; |
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824 } |
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825 |
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826 |
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|
827 /** |
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828 * Formats a given instruction as a value in a {@linkplain FrameState frame state}. If the instruction is a phi defined at a given |
2582
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Lukas Stadler <lukas.stadler@jku.at>
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829 * block, its {@linkplain Phi#phiInputCount() inputs} are appended to the returned string. |
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830 * |
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831 * @param index the index of the value in the frame state |
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832 * @param value the frame state value |
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833 * @param block if {@code value} is a phi, then its inputs are formatted if {@code block} is its |
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834 * {@linkplain Phi#block() join point} |
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835 * @return the instruction representation as a string |
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836 */ |
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|
837 public String stateString(int index, Value value) { |
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838 StringBuilder sb = new StringBuilder(30); |
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839 sb.append(String.format("%2d %s", index, Util.valueString(value))); |
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Pull over of compiler from maxine repository.
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840 if (value instanceof Phi) { |
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Pull over of compiler from maxine repository.
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841 Phi phi = (Phi) value; |
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842 // print phi operands |
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843 if (phi.block() == this) { |
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changeset
|
844 sb.append(" ["); |
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parents:
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diff
changeset
|
845 for (int j = 0; j < phi.phiInputCount(); j++) { |
2507
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846 sb.append(' '); |
9ec15d6914ca
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847 Value operand = phi.inputAt(j); |
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Pull over of compiler from maxine repository.
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|
848 if (operand != null) { |
9ec15d6914ca
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849 sb.append(Util.valueString(operand)); |
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changeset
|
850 } else { |
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Pull over of compiler from maxine repository.
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changeset
|
851 sb.append("NULL"); |
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diff
changeset
|
852 } |
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diff
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|
853 } |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
854 sb.append("] "); |
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parents:
diff
changeset
|
855 } |
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diff
changeset
|
856 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
857 if (value != null && value.hasSubst()) { |
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parents:
diff
changeset
|
858 sb.append("alias ").append(Util.valueString(value.subst())); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
859 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
860 return sb.toString(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
861 } |
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Pull over of compiler from maxine repository.
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|
862 } |