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annotate graal/GraalCompiler/src/com/sun/c1x/value/FrameStateBuilder.java @ 2840:75e0d39833a0

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new CompilerGraph, create only one Return and one Unwind per CompilerGraph
author Lukas Stadler <lukas.stadler@jku.at>
date Tue, 31 May 2011 16:53:19 +0200
parents bfce42cd9c07
children 7596ae867a7b
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.sun.c1x.value;
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24
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25 import static com.sun.c1x.value.ValueUtil.*;
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26 import static java.lang.reflect.Modifier.*;
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27
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28 import java.util.*;
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29
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30 import com.oracle.graal.graph.*;
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31 import com.sun.c1x.graph.*;
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32 import com.sun.c1x.ir.*;
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33 import com.sun.cri.ci.*;
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34 import com.sun.cri.ri.*;
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35
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36
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37 public class FrameStateBuilder implements FrameStateAccess {
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38
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39 private final Graph graph;
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40
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41 private final Value[] locals;
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42 private final Value[] stack;
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43 private final ArrayList<Value> locks;
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44
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45 private int stackIndex;
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46
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47 public FrameStateBuilder(RiMethod method, Graph graph) {
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48 this.graph = graph;
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49 this.locals = new Value[method.maxLocals()];
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50 this.stack = new Value[method.maxStackSize()];
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51
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52 int javaIndex = 0;
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53 int index = 0;
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54 if (!isStatic(method.accessFlags())) {
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55 // add the receiver and assume it is non null
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56 Local local = new Local(method.holder().kind(), javaIndex, graph);
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57 local.inputs().set(0, graph.start());
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58 local.setNonNull(true);
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59 local.setDeclaredType(method.holder());
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60 storeLocal(javaIndex, local);
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61 javaIndex = 1;
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62 index = 1;
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63 }
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64 RiSignature sig = method.signature();
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65 int max = sig.argumentCount(false);
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66 RiType accessingClass = method.holder();
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67 for (int i = 0; i < max; i++) {
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68 RiType type = sig.argumentTypeAt(i, accessingClass);
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69 CiKind kind = type.kind().stackKind();
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70 Local local = new Local(kind, index, graph);
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71 local.inputs().set(0, graph.start());
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72 if (type.isResolved()) {
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73 local.setDeclaredType(type);
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74 }
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75 storeLocal(javaIndex, local);
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76 javaIndex += kind.sizeInSlots();
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77 index++;
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78 }
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79 this.locks = new ArrayList<Value>();
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80 }
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81
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82 public void initializeFrom(FrameState other) {
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83 assert locals.length == other.localsSize();
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84 assert stack.length >= other.stackSize();
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85
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86 this.stackIndex = other.stackSize();
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87 for (int i = 0; i < other.localsSize(); i++) {
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88 locals[i] = other.localAt(i);
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89 }
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90 for (int i = 0; i < other.stackSize(); i++) {
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91 stack[i] = other.stackAt(i);
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92 }
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93 locks.clear();
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94 for (int i = 0; i < other.locksSize(); i++) {
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95 locks.add(other.lockAt(i));
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96 }
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97 }
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98
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99 public FrameState create(int bci) {
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100 return new FrameState(bci, locals, stack, stackIndex, locks, graph);
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101 }
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102
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103 @Override
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104 public FrameState duplicateWithEmptyStack(int bci) {
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105 FrameState frameState = new FrameState(bci, locals, new Value[0], 0, locks, graph);
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106 frameState.setOuterFrameState(outerFrameState());
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107 return frameState;
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108 }
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109
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110 /**
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111 * Pushes an instruction onto the stack with the expected type.
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112 * @param kind the type expected for this instruction
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113 * @param x the instruction to push onto the stack
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114 */
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115 public void push(CiKind kind, Value x) {
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116 assert kind != CiKind.Void;
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117 xpush(assertKind(kind, x));
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118 if (kind.sizeInSlots() == 2) {
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119 xpush(null);
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120 }
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121 }
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122
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123 /**
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124 * Pushes a value onto the stack without checking the type.
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125 * @param x the instruction to push onto the stack
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126 */
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127 public void xpush(Value x) {
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128 assert x == null || !x.isDeleted();
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129 stack[stackIndex++] = x;
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130 }
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131
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132 /**
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133 * Pushes a value onto the stack and checks that it is an int.
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134 * @param x the instruction to push onto the stack
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135 */
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136 public void ipush(Value x) {
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137 xpush(assertInt(x));
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138 }
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139
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140 /**
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141 * Pushes a value onto the stack and checks that it is a float.
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142 * @param x the instruction to push onto the stack
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143 */
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144 public void fpush(Value x) {
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145 xpush(assertFloat(x));
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146 }
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147
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148 /**
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149 * Pushes a value onto the stack and checks that it is an object.
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150 * @param x the instruction to push onto the stack
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151 */
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152 public void apush(Value x) {
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153 xpush(assertObject(x));
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154 }
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155
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parents:
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156 /**
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157 * Pushes a value onto the stack and checks that it is a word.
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158 * @param x the instruction to push onto the stack
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159 */
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160 public void wpush(Value x) {
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161 xpush(assertWord(x));
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162 }
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163
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164 /**
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165 * Pushes a value onto the stack and checks that it is a JSR return address.
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166 * @param x the instruction to push onto the stack
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167 */
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168 public void jpush(Value x) {
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169 xpush(assertJsr(x));
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170 }
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171
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parents:
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172 /**
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173 * Pushes a value onto the stack and checks that it is a long.
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174 *
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175 * @param x the instruction to push onto the stack
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176 */
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177 public void lpush(Value x) {
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178 xpush(assertLong(x));
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179 xpush(null);
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180 }
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181
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182 /**
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183 * Pushes a value onto the stack and checks that it is a double.
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184 * @param x the instruction to push onto the stack
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185 */
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186 public void dpush(Value x) {
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187 xpush(assertDouble(x));
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188 xpush(null);
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189 }
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190
2616
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191 public void pushReturn(CiKind kind, Value x) {
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192 if (kind != CiKind.Void) {
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193 push(kind.stackKind(), x);
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194 }
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195 }
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196
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197 /**
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198 * Pops an instruction off the stack with the expected type.
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199 * @param kind the expected type
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200 * @return the instruction on the top of the stack
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diff changeset
201 */
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202 public Value pop(CiKind kind) {
2666
6ca76b891d31 duplicateModified helper method
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diff changeset
203 assert kind != CiKind.Void;
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204 if (kind.sizeInSlots() == 2) {
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diff changeset
205 xpop();
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diff changeset
206 }
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diff changeset
207 return assertKind(kind, xpop());
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208 }
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parents:
diff changeset
209
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
210 /**
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diff changeset
211 * Pops a value off of the stack without checking the type.
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212 * @return x the instruction popped off the stack
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diff changeset
213 */
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diff changeset
214 public Value xpop() {
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diff changeset
215 Value result = stack[--stackIndex];
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216 assert result == null || !result.isDeleted();
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diff changeset
217 return result;
2611
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diff changeset
218 }
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diff changeset
219
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diff changeset
220 /**
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diff changeset
221 * Pops a value off of the stack and checks that it is an int.
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222 * @return x the instruction popped off the stack
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diff changeset
223 */
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diff changeset
224 public Value ipop() {
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225 return assertInt(xpop());
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diff changeset
226 }
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parents:
diff changeset
227
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
228 /**
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parents:
diff changeset
229 * Pops a value off of the stack and checks that it is a float.
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230 * @return x the instruction popped off the stack
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parents:
diff changeset
231 */
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232 public Value fpop() {
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diff changeset
233 return assertFloat(xpop());
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parents:
diff changeset
234 }
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parents:
diff changeset
235
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
236 /**
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parents:
diff changeset
237 * Pops a value off of the stack and checks that it is an object.
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238 * @return x the instruction popped off the stack
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239 */
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240 public Value apop() {
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241 return assertObject(xpop());
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242 }
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parents:
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243
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
244 /**
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245 * Pops a value off of the stack and checks that it is a word.
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parents:
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246 * @return x the instruction popped off the stack
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247 */
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248 public Value wpop() {
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249 return assertWord(xpop());
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250 }
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parents:
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251
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
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252 /**
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parents:
diff changeset
253 * Pops a value off of the stack and checks that it is a JSR return address.
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254 * @return x the instruction popped off the stack
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255 */
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256 public Value jpop() {
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257 return assertJsr(xpop());
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258 }
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parents:
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259
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Lukas Stadler <lukas.stadler@jku.at>
parents:
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260 /**
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diff changeset
261 * Pops a value off of the stack and checks that it is a long.
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262 * @return x the instruction popped off the stack
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263 */
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264 public Value lpop() {
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265 assertHigh(xpop());
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266 return assertLong(xpop());
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267 }
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parents:
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268
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
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269 /**
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270 * Pops a value off of the stack and checks that it is a double.
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parents:
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271 * @return x the instruction popped off the stack
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272 */
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273 public Value dpop() {
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274 assertHigh(xpop());
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275 return assertDouble(xpop());
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276 }
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parents:
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277
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
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278 /**
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279 * Pop the specified number of slots off of this stack and return them as an array of instructions.
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280 * @param size the number of arguments off of the stack
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281 * @return an array containing the arguments off of the stack
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282 */
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283 public Value[] popArguments(int size) {
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284 int base = stackIndex - size;
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285 Value[] r = new Value[size];
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parents:
diff changeset
286 for (int i = 0; i < size; ++i) {
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287 assert stack[base + i] != null || stack[base + i - 1].kind.jvmSlots == 2;
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288 r[i] = stack[base + i];
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289 }
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290 stackIndex = base;
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291 return r;
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292 }
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293
2616
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294 public CiKind peekKind() {
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295 Value top = stackAt(stackSize() - 1);
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296 if (top == null) {
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297 top = stackAt(stackSize() - 2);
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298 assert top != null;
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299 assert top.kind.isDoubleWord();
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300 }
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301 return top.kind;
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302 }
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303
2611
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304 /**
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diff changeset
305 * Truncates this stack to the specified size.
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diff changeset
306 * @param size the size to truncate to
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307 */
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diff changeset
308 public void truncateStack(int size) {
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parents:
diff changeset
309 stackIndex = size;
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diff changeset
310 assert stackIndex >= 0;
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parents:
diff changeset
311 }
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Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
312
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
313 /**
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
314 * Clears all values on this stack.
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
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parents:
diff changeset
315 */
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parents:
diff changeset
316 public void clearStack() {
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parents:
diff changeset
317 stackIndex = 0;
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diff changeset
318 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
319
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
320 /**
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
321 * Loads the local variable at the specified index.
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
322 *
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
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parents:
diff changeset
323 * @param i the index of the local variable to load
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parents:
diff changeset
324 * @return the instruction that produced the specified local
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parents:
diff changeset
325 */
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Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
326 public Value loadLocal(int i) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
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parents:
diff changeset
327 Value x = locals[i];
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
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parents:
diff changeset
328 if (x != null) {
2821
015be60afcf3 removed flags from Value class
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parents: 2771
diff changeset
329 if (x instanceof Phi && ((Phi) x).isDead()) {
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
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diff changeset
330 return null;
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parents:
diff changeset
331 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
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parents:
diff changeset
332 assert x.kind.isSingleWord() || locals[i + 1] == null || locals[i + 1] instanceof Phi;
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parents:
diff changeset
333 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
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parents:
diff changeset
334 return x;
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parents:
diff changeset
335 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
336
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
337 /**
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Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
338 * Stores a given local variable at the specified index. If the value is a {@linkplain CiKind#isDoubleWord() double word},
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
339 * then the next local variable index is also overwritten.
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Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
340 *
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Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
341 * @param i the index at which to store
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parents:
diff changeset
342 * @param x the instruction which produces the value for the local
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
343 */
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Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
344 public void storeLocal(int i, Value x) {
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parents:
diff changeset
345 locals[i] = x;
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parents:
diff changeset
346 if (isDoubleWord(x)) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
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parents:
diff changeset
347 // (tw) if this was a double word then kill i+1
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
348 locals[i + 1] = null;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
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parents:
diff changeset
349 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
350 if (i > 0) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
351 // if there was a double word at i - 1, then kill it
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
352 Value p = locals[i - 1];
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
353 if (isDoubleWord(p)) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
354 locals[i - 1] = null;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
355 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
356 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
357 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
358
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
359 /**
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
360 * Locks a new object within the specified IRScope.
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
361 * @param scope the IRScope in which this locking operation occurs
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
362 * @param obj the object being locked
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
363 */
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
364 public void lock(IR ir, Value obj, int totalNumberOfLocks) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
365 locks.add(obj);
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
366 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
367
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
368 /**
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
369 * Unlock the lock on the top of the stack.
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
370 */
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
371 public void unlock() {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
372 locks.remove(locks.size() - 1);
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
373 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
374
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
375 /**
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
376 * Get the value on the stack at the specified stack index.
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
377 *
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
378 * @param i the index into the stack, with {@code 0} being the bottom of the stack
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
379 * @return the instruction at the specified position in the stack
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
380 */
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
381 public final Value stackAt(int i) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
382 return stack[i];
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
383 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
384
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
385 /**
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
386 * Gets the value in the local variables at the specified index.
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
387 *
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
388 * @param i the index into the locals
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
389 * @return the instruction that produced the value for the specified local
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
390 */
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
391 public final Value localAt(int i) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
392 return locals[i];
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
393 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
394
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
395 /**
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
396 * Retrieves the lock at the specified index in the lock stack.
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
397 * @param i the index into the lock stack
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
398 * @return the instruction which produced the object at the specified location in the lock stack
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
399 */
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
400 public final Value lockAt(int i) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
401 return locks.get(i);
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
402 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
403
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
404 /**
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
405 * Returns the size of the local variables.
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
406 *
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
407 * @return the size of the local variables
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
408 */
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
409 public int localsSize() {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
410 return locals.length;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
411 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
412
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
413 /**
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
414 * Gets number of locks held by this frame state.
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
415 */
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
416 public int locksSize() {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
417 return locks.size();
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
418 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
419
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
420 /**
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
421 * Gets the current size (height) of the stack.
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
422 */
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
423 public int stackSize() {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
424 return stackIndex;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
425 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
426
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
427 public Iterator<Value> locals() {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
428 return new ValueArrayIterator(locals);
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
429 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
430
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
431 public Iterator<Value> stack() {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
432 return new ValueArrayIterator(locals);
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
433 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
434
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
435 public List<Value> locks() {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
436 return Collections.unmodifiableList(locks);
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
437 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
438
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
439
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
440 private static class ValueArrayIterator implements Iterator<Value> {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
441 private final Value[] array;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
442 private int index;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
443 private int length;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
444
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
445 public ValueArrayIterator(Value[] array, int length) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
446 assert length <= array.length;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
447 this.array = array;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
448 this.index = 0;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
449 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
450
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
451 public ValueArrayIterator(Value[] array) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
452 this(array, array.length);
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
453 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
454
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
455 @Override
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
456 public boolean hasNext() {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
457 return index < array.length;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
458 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
459
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
460 @Override
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
461 public Value next() {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
462 return array[index++];
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
463 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
464
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
465 @Override
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
466 public void remove() {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
467 throw new UnsupportedOperationException("cannot remove from array");
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
468 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
469
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
470 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
471
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
472
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
473 @Override
2636
8c02ca1e9eb1 Fixed bci for stateBefore in BlockBegin
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2616
diff changeset
474 public FrameState duplicate(int bci) {
8c02ca1e9eb1 Fixed bci for stateBefore in BlockBegin
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2616
diff changeset
475 return create(bci);
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
476 }
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
477
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
478 @Override
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
479 public Value valueAt(int i) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
480 if (i < locals.length) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
481 return locals[i];
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
482 } else if (i < locals.length + stackIndex) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
483 return stack[i - locals.length];
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
484 } else {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
485 return locks.get(i - locals.length - stack.length);
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
486 }
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
487 }
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
488
2763
5e8a69041cd7 Model phi inputs as direct inputs in the graph instead of referring to the framestates of the predecessors.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2731
diff changeset
489 @Override
5e8a69041cd7 Model phi inputs as direct inputs in the graph instead of referring to the framestates of the predecessors.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2731
diff changeset
490 public void setValueAt(int i, Value v) {
5e8a69041cd7 Model phi inputs as direct inputs in the graph instead of referring to the framestates of the predecessors.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2731
diff changeset
491 if (i < locals.length) {
5e8a69041cd7 Model phi inputs as direct inputs in the graph instead of referring to the framestates of the predecessors.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2731
diff changeset
492 locals[i] = v;
5e8a69041cd7 Model phi inputs as direct inputs in the graph instead of referring to the framestates of the predecessors.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2731
diff changeset
493 } else if (i < locals.length + stackIndex) {
5e8a69041cd7 Model phi inputs as direct inputs in the graph instead of referring to the framestates of the predecessors.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2731
diff changeset
494 stack[i - locals.length] = v;
5e8a69041cd7 Model phi inputs as direct inputs in the graph instead of referring to the framestates of the predecessors.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2731
diff changeset
495 } else {
5e8a69041cd7 Model phi inputs as direct inputs in the graph instead of referring to the framestates of the predecessors.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2731
diff changeset
496 locks.set(i - locals.length - stack.length, v);
5e8a69041cd7 Model phi inputs as direct inputs in the graph instead of referring to the framestates of the predecessors.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2731
diff changeset
497 }
5e8a69041cd7 Model phi inputs as direct inputs in the graph instead of referring to the framestates of the predecessors.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2731
diff changeset
498 }
5e8a69041cd7 Model phi inputs as direct inputs in the graph instead of referring to the framestates of the predecessors.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2731
diff changeset
499
2840
75e0d39833a0 new CompilerGraph, create only one Return and one Unwind per CompilerGraph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2834
diff changeset
500 @Override
75e0d39833a0 new CompilerGraph, create only one Return and one Unwind per CompilerGraph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2834
diff changeset
501 public Value outerFrameState() {
75e0d39833a0 new CompilerGraph, create only one Return and one Unwind per CompilerGraph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2834
diff changeset
502 return null;
75e0d39833a0 new CompilerGraph, create only one Return and one Unwind per CompilerGraph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2834
diff changeset
503 }
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
504 }