Mercurial > hg > truffle
annotate graal/com.oracle.graal.lir/src/com/oracle/graal/lir/framemap/FrameMapBuilderImpl.java @ 19020:312cf5a0376e
Remove FrameMapBuilder.requireMapping() (only LIR needs to be updated).
author | Josef Eisl <josef.eisl@jku.at> |
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date | Wed, 03 Dec 2014 20:21:24 +0100 |
parents | d68ab3959fec |
children | 252067cb86ad |
rev | line source |
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Move FrameMapBuilderImpl to com.oracle.graal.lir.
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1 /* |
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2 * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.graal.lir.framemap; |
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24 |
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25 import static com.oracle.graal.api.code.ValueUtil.*; |
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26 |
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27 import java.util.*; |
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28 |
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29 import com.oracle.graal.api.code.*; |
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30 import com.oracle.graal.api.meta.*; |
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31 import com.oracle.graal.compiler.common.*; |
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32 import com.oracle.graal.compiler.common.cfg.*; |
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33 import com.oracle.graal.debug.*; |
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34 import com.oracle.graal.debug.Debug.Scope; |
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35 import com.oracle.graal.lir.*; |
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36 import com.oracle.graal.lir.gen.*; |
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37 |
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38 /** |
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39 * A FrameMapBuilder that records allocation. |
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40 */ |
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41 public class FrameMapBuilderImpl implements FrameMapBuilder { |
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42 |
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43 private final RegisterConfig registerConfig; |
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44 private final CodeCacheProvider codeCache; |
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45 protected final FrameMap frameMap; |
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46 private final List<VirtualStackSlot> stackSlots; |
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47 private final List<CallingConvention> calls; |
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48 private int numStackSlots; |
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49 |
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50 public FrameMapBuilderImpl(FrameMap frameMap, CodeCacheProvider codeCache, RegisterConfig registerConfig) { |
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51 assert registerConfig != null : "No register config!"; |
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52 this.registerConfig = registerConfig == null ? codeCache.getRegisterConfig() : registerConfig; |
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53 this.codeCache = codeCache; |
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54 this.frameMap = frameMap; |
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55 this.stackSlots = new ArrayList<>(); |
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56 this.calls = new ArrayList<>(); |
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57 this.numStackSlots = 0; |
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58 } |
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59 |
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60 public VirtualStackSlot allocateSpillSlot(LIRKind kind) { |
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61 SimpleVirtualStackSlot slot = new SimpleVirtualStackSlot(numStackSlots++, kind); |
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62 stackSlots.add(slot); |
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63 return slot; |
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64 } |
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65 |
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66 public VirtualStackSlot allocateStackSlots(int slots, BitSet objects, List<VirtualStackSlot> outObjectStackSlots) { |
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67 if (slots == 0) { |
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68 return null; |
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69 } |
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70 if (outObjectStackSlots != null) { |
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71 throw GraalInternalError.unimplemented(); |
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72 } |
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73 VirtualStackSlotRange slot = new VirtualStackSlotRange(numStackSlots++, slots, objects); |
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74 stackSlots.add(slot); |
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75 return slot; |
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76 } |
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77 |
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78 public RegisterConfig getRegisterConfig() { |
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79 return registerConfig; |
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80 } |
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81 |
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82 public CodeCacheProvider getCodeCache() { |
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83 return codeCache; |
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84 } |
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85 |
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86 /** |
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87 * Returns the number of {@link VirtualStackSlot}s created by this {@link FrameMapBuilder}. Can |
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88 * be used as an upper bound for an array indexed by {@link VirtualStackSlot#getId()}. |
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89 */ |
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90 public int getNumberOfStackSlots() { |
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91 return numStackSlots; |
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92 } |
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93 |
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94 public void callsMethod(CallingConvention cc) { |
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95 calls.add(cc); |
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96 } |
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97 |
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98 public FrameMap buildFrameMap(LIRGenerationResult res) { |
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99 FrameMappingTool mapper = new SimpleStackSlotAllocator().allocateStackSlots(this); |
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100 for (CallingConvention cc : calls) { |
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101 frameMap.callsMethod(cc); |
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102 } |
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103 // update LIR |
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104 try (Scope scope = Debug.scope("StackSlotMappingLIR")) { |
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105 ValueProcedure updateProc = (value, mode, flags) -> { |
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106 if (isVirtualStackSlot(value)) { |
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107 StackSlot stackSlot = mapper.getStackSlot(asVirtualStackSlot(value)); |
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108 Debug.log("map %s -> %s", value, stackSlot); |
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109 return stackSlot; |
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110 } |
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111 return value; |
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112 }; |
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113 for (AbstractBlock<?> block : res.getLIR().getControlFlowGraph().getBlocks()) { |
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114 try (Indent indent0 = Debug.logAndIndent("block: %s", block)) { |
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115 for (LIRInstruction inst : res.getLIR().getLIRforBlock(block)) { |
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116 try (Indent indent1 = Debug.logAndIndent("Inst: %d: %s", inst.id(), inst)) { |
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117 inst.forEachAlive(updateProc); |
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118 inst.forEachInput(updateProc); |
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119 inst.forEachOutput(updateProc); |
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120 inst.forEachTemp(updateProc); |
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121 inst.forEachState(updateProc); |
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122 } |
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123 } |
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124 } |
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125 } |
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126 } |
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127 |
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128 frameMap.finish(); |
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129 return frameMap; |
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130 } |
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131 |
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132 List<VirtualStackSlot> getStackSlots() { |
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133 return stackSlots; |
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134 } |
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135 |
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re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings
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136 } |