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annotate tools/llvm-diff/DiffConsumer.cpp @ 134:3a76565eade5 LLVM5.0.1

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update 5.0.1
author mir3636
date Sat, 17 Feb 2018 09:57:20 +0900
parents 803732b1fca8
children c2174574ed3a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 //===-- DiffConsumer.cpp - Difference Consumer ------------------*- C++ -*-===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This files implements the LLVM difference Consumer
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11 //
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12 //===----------------------------------------------------------------------===//
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13
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14 #include "DiffConsumer.h"
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15 #include "llvm/IR/Instructions.h"
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16 #include "llvm/Support/ErrorHandling.h"
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17 #include "llvm/Support/Debug.h"
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18
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19 using namespace llvm;
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20
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21 static void ComputeNumbering(Function *F, DenseMap<Value*,unsigned> &Numbering){
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22 unsigned IN = 0;
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23
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24 // Arguments get the first numbers.
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25 for (Function::arg_iterator
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26 AI = F->arg_begin(), AE = F->arg_end(); AI != AE; ++AI)
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27 if (!AI->hasName())
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28 Numbering[&*AI] = IN++;
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29
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30 // Walk the basic blocks in order.
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31 for (Function::iterator FI = F->begin(), FE = F->end(); FI != FE; ++FI) {
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32 if (!FI->hasName())
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33 Numbering[&*FI] = IN++;
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34
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35 // Walk the instructions in order.
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36 for (BasicBlock::iterator BI = FI->begin(), BE = FI->end(); BI != BE; ++BI)
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37 // void instructions don't get numbers.
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38 if (!BI->hasName() && !BI->getType()->isVoidTy())
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39 Numbering[&*BI] = IN++;
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40 }
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41
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42 assert(!Numbering.empty() && "asked for numbering but numbering was no-op");
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43 }
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44
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45
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46 void Consumer::anchor() { }
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47
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48 void DiffConsumer::printValue(Value *V, bool isL) {
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49 if (V->hasName()) {
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50 out << (isa<GlobalValue>(V) ? '@' : '%') << V->getName();
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51 return;
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52 }
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53 if (V->getType()->isVoidTy()) {
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54 if (isa<StoreInst>(V)) {
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55 out << "store to ";
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56 printValue(cast<StoreInst>(V)->getPointerOperand(), isL);
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57 } else if (isa<CallInst>(V)) {
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58 out << "call to ";
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59 printValue(cast<CallInst>(V)->getCalledValue(), isL);
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60 } else if (isa<InvokeInst>(V)) {
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61 out << "invoke to ";
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62 printValue(cast<InvokeInst>(V)->getCalledValue(), isL);
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63 } else {
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64 out << *V;
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65 }
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66 return;
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67 }
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68 if (isa<Constant>(V)) {
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69 out << *V;
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70 return;
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71 }
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72
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73 unsigned N = contexts.size();
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74 while (N > 0) {
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75 --N;
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76 DiffContext &ctxt = contexts[N];
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77 if (!ctxt.IsFunction) continue;
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78 if (isL) {
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79 if (ctxt.LNumbering.empty())
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80 ComputeNumbering(cast<Function>(ctxt.L), ctxt.LNumbering);
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81 out << '%' << ctxt.LNumbering[V];
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82 return;
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83 } else {
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84 if (ctxt.RNumbering.empty())
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85 ComputeNumbering(cast<Function>(ctxt.R), ctxt.RNumbering);
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86 out << '%' << ctxt.RNumbering[V];
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87 return;
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88 }
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89 }
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90
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91 out << "<anonymous>";
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92 }
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93
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94 void DiffConsumer::header() {
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95 if (contexts.empty()) return;
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96 for (SmallVectorImpl<DiffContext>::iterator
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97 I = contexts.begin(), E = contexts.end(); I != E; ++I) {
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98 if (I->Differences) continue;
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99 if (isa<Function>(I->L)) {
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100 // Extra newline between functions.
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101 if (Differences) out << "\n";
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102
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103 Function *L = cast<Function>(I->L);
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104 Function *R = cast<Function>(I->R);
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105 if (L->getName() != R->getName())
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106 out << "in function " << L->getName()
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107 << " / " << R->getName() << ":\n";
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108 else
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109 out << "in function " << L->getName() << ":\n";
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110 } else if (isa<BasicBlock>(I->L)) {
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111 BasicBlock *L = cast<BasicBlock>(I->L);
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112 BasicBlock *R = cast<BasicBlock>(I->R);
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113 if (L->hasName() && R->hasName() && L->getName() == R->getName())
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114 out << " in block %" << L->getName() << ":\n";
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115 else {
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116 out << " in block ";
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117 printValue(L, true);
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118 out << " / ";
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119 printValue(R, false);
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120 out << ":\n";
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121 }
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122 } else if (isa<Instruction>(I->L)) {
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123 out << " in instruction ";
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124 printValue(I->L, true);
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125 out << " / ";
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126 printValue(I->R, false);
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127 out << ":\n";
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128 }
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129
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130 I->Differences = true;
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131 }
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132 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
133
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
134 void DiffConsumer::indent() {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
135 unsigned N = Indent;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 while (N--) out << ' ';
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 bool DiffConsumer::hadDifferences() const {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 return Differences;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
142
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143 void DiffConsumer::enterContext(Value *L, Value *R) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
144 contexts.push_back(DiffContext(L, R));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 Indent += 2;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
146 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
147
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
148 void DiffConsumer::exitContext() {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
149 Differences |= contexts.back().Differences;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 contexts.pop_back();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 Indent -= 2;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
153
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 void DiffConsumer::log(StringRef text) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
155 header();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
156 indent();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 out << text << '\n';
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
159
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 void DiffConsumer::logf(const LogBuilder &Log) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
161 header();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 indent();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
163
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
164 unsigned arg = 0;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
165
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
166 StringRef format = Log.getFormat();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 while (true) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 size_t percent = format.find('%');
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
169 if (percent == StringRef::npos) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 out << format;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
171 break;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
172 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 assert(format[percent] == '%');
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
174
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 if (percent > 0) out << format.substr(0, percent);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
176
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 switch (format[percent+1]) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 case '%': out << '%'; break;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 case 'l': printValue(Log.getArgument(arg++), true); break;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 case 'r': printValue(Log.getArgument(arg++), false); break;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
181 default: llvm_unreachable("unknown format character");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
183
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
184 format = format.substr(percent+2);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
185 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
186
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
187 out << '\n';
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
188 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
189
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
190 void DiffConsumer::logd(const DiffLogBuilder &Log) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 header();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
192
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 for (unsigned I = 0, E = Log.getNumLines(); I != E; ++I) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
194 indent();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 switch (Log.getLineKind(I)) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
196 case DC_match:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
197 out << " ";
121
803732b1fca8 LLVM 5.0
kono
parents: 0
diff changeset
198 Log.getLeft(I)->print(dbgs()); dbgs() << '\n';
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
199 //printValue(Log.getLeft(I), true);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 break;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 case DC_left:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
202 out << "< ";
121
803732b1fca8 LLVM 5.0
kono
parents: 0
diff changeset
203 Log.getLeft(I)->print(dbgs()); dbgs() << '\n';
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 //printValue(Log.getLeft(I), true);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 break;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 case DC_right:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
207 out << "> ";
121
803732b1fca8 LLVM 5.0
kono
parents: 0
diff changeset
208 Log.getRight(I)->print(dbgs()); dbgs() << '\n';
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 //printValue(Log.getRight(I), false);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
210 break;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
212 //out << "\n";
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 }