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annotate tools/llvm-stress/llvm-stress.cpp @ 171:66f3bfe93da9

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git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 11:07:02 +0900
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171
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1 //===- llvm-stress.cpp - Generate random LL files to stress-test LLVM -----===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8 //
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9 // This program is a utility that generates random .ll files to stress-test
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10 // different components in LLVM.
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11 //
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12 //===----------------------------------------------------------------------===//
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13
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14 #include "llvm/ADT/APFloat.h"
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15 #include "llvm/ADT/APInt.h"
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16 #include "llvm/ADT/ArrayRef.h"
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17 #include "llvm/ADT/STLExtras.h"
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18 #include "llvm/ADT/StringRef.h"
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19 #include "llvm/ADT/Twine.h"
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20 #include "llvm/IR/BasicBlock.h"
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21 #include "llvm/IR/CallingConv.h"
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22 #include "llvm/IR/Constants.h"
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23 #include "llvm/IR/DataLayout.h"
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24 #include "llvm/IR/DerivedTypes.h"
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25 #include "llvm/IR/Function.h"
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26 #include "llvm/IR/GlobalValue.h"
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27 #include "llvm/IR/IRPrintingPasses.h"
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28 #include "llvm/IR/InstrTypes.h"
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29 #include "llvm/IR/Instruction.h"
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30 #include "llvm/IR/Instructions.h"
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31 #include "llvm/IR/LLVMContext.h"
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32 #include "llvm/IR/LegacyPassManager.h"
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33 #include "llvm/IR/Module.h"
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34 #include "llvm/IR/Type.h"
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35 #include "llvm/IR/Value.h"
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36 #include "llvm/IR/Verifier.h"
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37 #include "llvm/Support/Casting.h"
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38 #include "llvm/Support/CommandLine.h"
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39 #include "llvm/Support/ErrorHandling.h"
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40 #include "llvm/Support/FileSystem.h"
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41 #include "llvm/Support/ManagedStatic.h"
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42 #include "llvm/Support/PrettyStackTrace.h"
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43 #include "llvm/Support/ToolOutputFile.h"
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44 #include "llvm/Support/raw_ostream.h"
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45 #include <algorithm>
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46 #include <cassert>
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47 #include <cstddef>
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48 #include <cstdint>
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49 #include <memory>
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50 #include <string>
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51 #include <system_error>
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52 #include <vector>
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53
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54 namespace llvm {
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55
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56 static cl::opt<unsigned> SeedCL("seed",
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57 cl::desc("Seed used for randomness"), cl::init(0));
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58
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59 static cl::opt<unsigned> SizeCL("size",
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60 cl::desc("The estimated size of the generated function (# of instrs)"),
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61 cl::init(100));
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62
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63 static cl::opt<std::string>
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64 OutputFilename("o", cl::desc("Override output filename"),
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65 cl::value_desc("filename"));
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66
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67 static LLVMContext Context;
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68
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69 namespace cl {
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70
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71 template <> class parser<Type*> final : public basic_parser<Type*> {
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72 public:
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73 parser(Option &O) : basic_parser(O) {}
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74
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75 // Parse options as IR types. Return true on error.
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76 bool parse(Option &O, StringRef, StringRef Arg, Type *&Value) {
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77 if (Arg == "half") Value = Type::getHalfTy(Context);
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78 else if (Arg == "fp128") Value = Type::getFP128Ty(Context);
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79 else if (Arg == "x86_fp80") Value = Type::getX86_FP80Ty(Context);
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80 else if (Arg == "ppc_fp128") Value = Type::getPPC_FP128Ty(Context);
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81 else if (Arg == "x86_mmx") Value = Type::getX86_MMXTy(Context);
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82 else if (Arg.startswith("i")) {
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83 unsigned N = 0;
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84 Arg.drop_front().getAsInteger(10, N);
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85 if (N > 0)
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86 Value = Type::getIntNTy(Context, N);
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87 }
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88
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89 if (!Value)
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90 return O.error("Invalid IR scalar type: '" + Arg + "'!");
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91 return false;
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92 }
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93
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94 StringRef getValueName() const override { return "IR scalar type"; }
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95 };
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96
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97 } // end namespace cl
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98
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99 static cl::list<Type*> AdditionalScalarTypes("types", cl::CommaSeparated,
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100 cl::desc("Additional IR scalar types "
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101 "(always includes i1, i8, i16, i32, i64, float and double)"));
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102
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103 namespace {
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104
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105 /// A utility class to provide a pseudo-random number generator which is
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106 /// the same across all platforms. This is somewhat close to the libc
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107 /// implementation. Note: This is not a cryptographically secure pseudorandom
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108 /// number generator.
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109 class Random {
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110 public:
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111 /// C'tor
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112 Random(unsigned _seed):Seed(_seed) {}
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113
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114 /// Return a random integer, up to a
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115 /// maximum of 2**19 - 1.
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116 uint32_t Rand() {
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117 uint32_t Val = Seed + 0x000b07a1;
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118 Seed = (Val * 0x3c7c0ac1);
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119 // Only lowest 19 bits are random-ish.
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120 return Seed & 0x7ffff;
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121 }
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122
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123 /// Return a random 64 bit integer.
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124 uint64_t Rand64() {
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125 uint64_t Val = Rand() & 0xffff;
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126 Val |= uint64_t(Rand() & 0xffff) << 16;
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127 Val |= uint64_t(Rand() & 0xffff) << 32;
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128 Val |= uint64_t(Rand() & 0xffff) << 48;
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129 return Val;
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130 }
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131
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132 /// Rand operator for STL algorithms.
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133 ptrdiff_t operator()(ptrdiff_t y) {
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134 return Rand64() % y;
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135 }
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136
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137 /// Make this like a C++11 random device
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138 using result_type = uint32_t ;
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139
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140 static constexpr result_type min() { return 0; }
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141 static constexpr result_type max() { return 0x7ffff; }
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142
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143 uint32_t operator()() {
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144 uint32_t Val = Rand();
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145 assert(Val <= max() && "Random value out of range");
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146 return Val;
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147 }
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148
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149 private:
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150 unsigned Seed;
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151 };
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152
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153 /// Generate an empty function with a default argument list.
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154 Function *GenEmptyFunction(Module *M) {
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155 // Define a few arguments
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156 LLVMContext &Context = M->getContext();
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157 Type* ArgsTy[] = {
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158 Type::getInt8PtrTy(Context),
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159 Type::getInt32PtrTy(Context),
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160 Type::getInt64PtrTy(Context),
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161 Type::getInt32Ty(Context),
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162 Type::getInt64Ty(Context),
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163 Type::getInt8Ty(Context)
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164 };
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165
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166 auto *FuncTy = FunctionType::get(Type::getVoidTy(Context), ArgsTy, false);
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167 // Pick a unique name to describe the input parameters
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168 Twine Name = "autogen_SD" + Twine{SeedCL};
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169 auto *Func = Function::Create(FuncTy, GlobalValue::ExternalLinkage, Name, M);
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170 Func->setCallingConv(CallingConv::C);
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171 return Func;
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172 }
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173
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174 /// A base class, implementing utilities needed for
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175 /// modifying and adding new random instructions.
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176 struct Modifier {
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177 /// Used to store the randomly generated values.
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178 using PieceTable = std::vector<Value *>;
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179
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180 public:
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181 /// C'tor
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182 Modifier(BasicBlock *Block, PieceTable *PT, Random *R)
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183 : BB(Block), PT(PT), Ran(R), Context(BB->getContext()) {}
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184
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185 /// virtual D'tor to silence warnings.
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186 virtual ~Modifier() = default;
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187
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188 /// Add a new instruction.
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189 virtual void Act() = 0;
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190
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191 /// Add N new instructions,
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192 virtual void ActN(unsigned n) {
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193 for (unsigned i=0; i<n; ++i)
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194 Act();
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195 }
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parents:
diff changeset
196
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
197 protected:
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
198 /// Return a random integer.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
199 uint32_t getRandom() {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 return Ran->Rand();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
202
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 /// Return a random value from the list of known values.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 Value *getRandomVal() {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 assert(PT->size());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 return PT->at(getRandom() % PT->size());
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
207 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
208
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 Constant *getRandomConstant(Type *Tp) {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
210 if (Tp->isIntegerTy()) {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 if (getRandom() & 1)
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
212 return ConstantInt::getAllOnesValue(Tp);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 return ConstantInt::getNullValue(Tp);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 } else if (Tp->isFloatingPointTy()) {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 if (getRandom() & 1)
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 return ConstantFP::getAllOnesValue(Tp);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 return ConstantFP::getNullValue(Tp);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 return UndefValue::get(Tp);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
220 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
221
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 /// Return a random value with a known type.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
223 Value *getRandomValue(Type *Tp) {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 unsigned index = getRandom();
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
225 for (unsigned i=0; i<PT->size(); ++i) {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
226 Value *V = PT->at((index + i) % PT->size());
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 if (V->getType() == Tp)
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
228 return V;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
229 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
230
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
231 // If the requested type was not found, generate a constant value.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
232 if (Tp->isIntegerTy()) {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
233 if (getRandom() & 1)
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
234 return ConstantInt::getAllOnesValue(Tp);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 return ConstantInt::getNullValue(Tp);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
236 } else if (Tp->isFloatingPointTy()) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
237 if (getRandom() & 1)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
238 return ConstantFP::getAllOnesValue(Tp);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
239 return ConstantFP::getNullValue(Tp);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
240 } else if (Tp->isVectorTy()) {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
241 VectorType *VTp = cast<VectorType>(Tp);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
242
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
243 std::vector<Constant*> TempValues;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
244 TempValues.reserve(VTp->getNumElements());
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parents:
diff changeset
245 for (unsigned i = 0; i < VTp->getNumElements(); ++i)
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parents:
diff changeset
246 TempValues.push_back(getRandomConstant(VTp->getScalarType()));
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parents:
diff changeset
247
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parents:
diff changeset
248 ArrayRef<Constant*> VectorValue(TempValues);
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parents:
diff changeset
249 return ConstantVector::get(VectorValue);
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parents:
diff changeset
250 }
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parents:
diff changeset
251
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
252 return UndefValue::get(Tp);
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parents:
diff changeset
253 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
254
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
255 /// Return a random value of any pointer type.
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
256 Value *getRandomPointerValue() {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
257 unsigned index = getRandom();
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
258 for (unsigned i=0; i<PT->size(); ++i) {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
259 Value *V = PT->at((index + i) % PT->size());
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
260 if (V->getType()->isPointerTy())
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
261 return V;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
262 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
263 return UndefValue::get(pickPointerType());
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
264 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
265
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
266 /// Return a random value of any vector type.
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
267 Value *getRandomVectorValue() {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
268 unsigned index = getRandom();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
269 for (unsigned i=0; i<PT->size(); ++i) {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
270 Value *V = PT->at((index + i) % PT->size());
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
271 if (V->getType()->isVectorTy())
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
272 return V;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
273 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
274 return UndefValue::get(pickVectorType());
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
275 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
276
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
277 /// Pick a random type.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
278 Type *pickType() {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
279 return (getRandom() & 1) ? pickVectorType() : pickScalarType();
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
280 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
281
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
282 /// Pick a random pointer type.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
283 Type *pickPointerType() {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
284 Type *Ty = pickType();
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
285 return PointerType::get(Ty, 0);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
286 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
287
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
288 /// Pick a random vector type.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
289 Type *pickVectorType(unsigned len = (unsigned)-1) {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
290 // Pick a random vector width in the range 2**0 to 2**4.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
291 // by adding two randoms we are generating a normal-like distribution
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
292 // around 2**3.
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
293 unsigned width = 1<<((getRandom() % 3) + (getRandom() % 3));
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
294 Type *Ty;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
295
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parents:
diff changeset
296 // Vectors of x86mmx are illegal; keep trying till we get something else.
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diff changeset
297 do {
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parents:
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298 Ty = pickScalarType();
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299 } while (Ty->isX86_MMXTy());
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300
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diff changeset
301 if (len != (unsigned)-1)
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302 width = len;
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303 return VectorType::get(Ty, width);
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304 }
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parents:
diff changeset
305
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parents:
diff changeset
306 /// Pick a random scalar type.
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parents:
diff changeset
307 Type *pickScalarType() {
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parents:
diff changeset
308 static std::vector<Type*> ScalarTypes;
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parents:
diff changeset
309 if (ScalarTypes.empty()) {
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parents:
diff changeset
310 ScalarTypes.assign({
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diff changeset
311 Type::getInt1Ty(Context),
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diff changeset
312 Type::getInt8Ty(Context),
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diff changeset
313 Type::getInt16Ty(Context),
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diff changeset
314 Type::getInt32Ty(Context),
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parents:
diff changeset
315 Type::getInt64Ty(Context),
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diff changeset
316 Type::getFloatTy(Context),
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diff changeset
317 Type::getDoubleTy(Context)
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318 });
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319 ScalarTypes.insert(ScalarTypes.end(),
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320 AdditionalScalarTypes.begin(), AdditionalScalarTypes.end());
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321 }
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322
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323 return ScalarTypes[getRandom() % ScalarTypes.size()];
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324 }
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325
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326 /// Basic block to populate
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327 BasicBlock *BB;
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328
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329 /// Value table
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330 PieceTable *PT;
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331
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332 /// Random number generator
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333 Random *Ran;
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parents:
diff changeset
334
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diff changeset
335 /// Context
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336 LLVMContext &Context;
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337 };
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338
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339 struct LoadModifier: public Modifier {
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340 LoadModifier(BasicBlock *BB, PieceTable *PT, Random *R)
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341 : Modifier(BB, PT, R) {}
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342
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343 void Act() override {
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344 // Try to use predefined pointers. If non-exist, use undef pointer value;
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345 Value *Ptr = getRandomPointerValue();
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346 Value *V = new LoadInst(Ptr, "L", BB->getTerminator());
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347 PT->push_back(V);
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348 }
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349 };
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350
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351 struct StoreModifier: public Modifier {
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352 StoreModifier(BasicBlock *BB, PieceTable *PT, Random *R)
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353 : Modifier(BB, PT, R) {}
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354
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355 void Act() override {
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356 // Try to use predefined pointers. If non-exist, use undef pointer value;
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357 Value *Ptr = getRandomPointerValue();
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358 PointerType *Tp = cast<PointerType>(Ptr->getType());
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359 Value *Val = getRandomValue(Tp->getElementType());
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diff changeset
360 Type *ValTy = Val->getType();
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361
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diff changeset
362 // Do not store vectors of i1s because they are unsupported
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parents:
diff changeset
363 // by the codegen.
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parents:
diff changeset
364 if (ValTy->isVectorTy() && ValTy->getScalarSizeInBits() == 1)
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diff changeset
365 return;
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diff changeset
366
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367 new StoreInst(Val, Ptr, BB->getTerminator());
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368 }
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369 };
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370
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diff changeset
371 struct BinModifier: public Modifier {
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diff changeset
372 BinModifier(BasicBlock *BB, PieceTable *PT, Random *R)
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373 : Modifier(BB, PT, R) {}
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374
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diff changeset
375 void Act() override {
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376 Value *Val0 = getRandomVal();
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377 Value *Val1 = getRandomValue(Val0->getType());
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378
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379 // Don't handle pointer types.
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380 if (Val0->getType()->isPointerTy() ||
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diff changeset
381 Val1->getType()->isPointerTy())
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382 return;
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parents:
diff changeset
383
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parents:
diff changeset
384 // Don't handle i1 types.
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parents:
diff changeset
385 if (Val0->getType()->getScalarSizeInBits() == 1)
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parents:
diff changeset
386 return;
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parents:
diff changeset
387
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parents:
diff changeset
388 bool isFloat = Val0->getType()->getScalarType()->isFloatingPointTy();
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diff changeset
389 Instruction* Term = BB->getTerminator();
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parents:
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390 unsigned R = getRandom() % (isFloat ? 7 : 13);
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diff changeset
391 Instruction::BinaryOps Op;
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parents:
diff changeset
392
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parents:
diff changeset
393 switch (R) {
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parents:
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394 default: llvm_unreachable("Invalid BinOp");
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parents:
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395 case 0:{Op = (isFloat?Instruction::FAdd : Instruction::Add); break; }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
396 case 1:{Op = (isFloat?Instruction::FSub : Instruction::Sub); break; }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
397 case 2:{Op = (isFloat?Instruction::FMul : Instruction::Mul); break; }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
398 case 3:{Op = (isFloat?Instruction::FDiv : Instruction::SDiv); break; }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
399 case 4:{Op = (isFloat?Instruction::FDiv : Instruction::UDiv); break; }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
400 case 5:{Op = (isFloat?Instruction::FRem : Instruction::SRem); break; }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
401 case 6:{Op = (isFloat?Instruction::FRem : Instruction::URem); break; }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
402 case 7: {Op = Instruction::Shl; break; }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
403 case 8: {Op = Instruction::LShr; break; }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
404 case 9: {Op = Instruction::AShr; break; }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
405 case 10:{Op = Instruction::And; break; }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
406 case 11:{Op = Instruction::Or; break; }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
407 case 12:{Op = Instruction::Xor; break; }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
408 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
409
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
410 PT->push_back(BinaryOperator::Create(Op, Val0, Val1, "B", Term));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
411 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
412 };
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
413
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
414 /// Generate constant values.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
415 struct ConstModifier: public Modifier {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
416 ConstModifier(BasicBlock *BB, PieceTable *PT, Random *R)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
417 : Modifier(BB, PT, R) {}
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
418
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
419 void Act() override {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
420 Type *Ty = pickType();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
421
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
422 if (Ty->isVectorTy()) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
423 switch (getRandom() % 2) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
424 case 0: if (Ty->isIntOrIntVectorTy())
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
425 return PT->push_back(ConstantVector::getAllOnesValue(Ty));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
426 break;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
427 case 1: if (Ty->isIntOrIntVectorTy())
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
428 return PT->push_back(ConstantVector::getNullValue(Ty));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
429 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
430 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
431
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
432 if (Ty->isFloatingPointTy()) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
433 // Generate 128 random bits, the size of the (currently)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
434 // largest floating-point types.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
435 uint64_t RandomBits[2];
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
436 for (unsigned i = 0; i < 2; ++i)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
437 RandomBits[i] = Ran->Rand64();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
438
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
439 APInt RandomInt(Ty->getPrimitiveSizeInBits(), makeArrayRef(RandomBits));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
440 APFloat RandomFloat(Ty->getFltSemantics(), RandomInt);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
441
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
442 if (getRandom() & 1)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
443 return PT->push_back(ConstantFP::getNullValue(Ty));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
444 return PT->push_back(ConstantFP::get(Ty->getContext(), RandomFloat));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
445 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
446
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
447 if (Ty->isIntegerTy()) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
448 switch (getRandom() % 7) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
449 case 0:
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
450 return PT->push_back(ConstantInt::get(
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
451 Ty, APInt::getAllOnesValue(Ty->getPrimitiveSizeInBits())));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
452 case 1:
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
453 return PT->push_back(ConstantInt::get(
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
454 Ty, APInt::getNullValue(Ty->getPrimitiveSizeInBits())));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
455 case 2:
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
456 case 3:
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
457 case 4:
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
458 case 5:
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
459 case 6:
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
460 PT->push_back(ConstantInt::get(Ty, getRandom()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
461 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
462 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
463 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
464 };
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
465
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
466 struct AllocaModifier: public Modifier {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
467 AllocaModifier(BasicBlock *BB, PieceTable *PT, Random *R)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
468 : Modifier(BB, PT, R) {}
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
469
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
470 void Act() override {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
471 Type *Tp = pickType();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
472 const DataLayout &DL = BB->getModule()->getDataLayout();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
473 PT->push_back(new AllocaInst(Tp, DL.getAllocaAddrSpace(),
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
474 "A", BB->getFirstNonPHI()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
475 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
476 };
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
477
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
478 struct ExtractElementModifier: public Modifier {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
479 ExtractElementModifier(BasicBlock *BB, PieceTable *PT, Random *R)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
480 : Modifier(BB, PT, R) {}
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
481
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
482 void Act() override {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
483 Value *Val0 = getRandomVectorValue();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
484 Value *V = ExtractElementInst::Create(Val0,
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
485 ConstantInt::get(Type::getInt32Ty(BB->getContext()),
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
486 getRandom() % cast<VectorType>(Val0->getType())->getNumElements()),
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
487 "E", BB->getTerminator());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
488 return PT->push_back(V);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
489 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
490 };
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
491
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
492 struct ShuffModifier: public Modifier {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
493 ShuffModifier(BasicBlock *BB, PieceTable *PT, Random *R)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
494 : Modifier(BB, PT, R) {}
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
495
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
496 void Act() override {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
497 Value *Val0 = getRandomVectorValue();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
498 Value *Val1 = getRandomValue(Val0->getType());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
499
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
500 unsigned Width = cast<VectorType>(Val0->getType())->getNumElements();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
501 std::vector<Constant*> Idxs;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
502
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
503 Type *I32 = Type::getInt32Ty(BB->getContext());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
504 for (unsigned i=0; i<Width; ++i) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
505 Constant *CI = ConstantInt::get(I32, getRandom() % (Width*2));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
506 // Pick some undef values.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
507 if (!(getRandom() % 5))
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
508 CI = UndefValue::get(I32);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
509 Idxs.push_back(CI);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
510 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
511
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
512 Constant *Mask = ConstantVector::get(Idxs);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
513
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
514 Value *V = new ShuffleVectorInst(Val0, Val1, Mask, "Shuff",
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
515 BB->getTerminator());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
516 PT->push_back(V);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
517 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
518 };
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
519
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
520 struct InsertElementModifier: public Modifier {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
521 InsertElementModifier(BasicBlock *BB, PieceTable *PT, Random *R)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
522 : Modifier(BB, PT, R) {}
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
523
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
524 void Act() override {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
525 Value *Val0 = getRandomVectorValue();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
526 Value *Val1 = getRandomValue(Val0->getType()->getScalarType());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
527
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
528 Value *V = InsertElementInst::Create(Val0, Val1,
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
529 ConstantInt::get(Type::getInt32Ty(BB->getContext()),
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
530 getRandom() % cast<VectorType>(Val0->getType())->getNumElements()),
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
531 "I", BB->getTerminator());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
532 return PT->push_back(V);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
533 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
534 };
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
535
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
536 struct CastModifier: public Modifier {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
537 CastModifier(BasicBlock *BB, PieceTable *PT, Random *R)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
538 : Modifier(BB, PT, R) {}
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
539
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
540 void Act() override {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
541 Value *V = getRandomVal();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
542 Type *VTy = V->getType();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
543 Type *DestTy = pickScalarType();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
544
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
545 // Handle vector casts vectors.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
546 if (VTy->isVectorTy()) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
547 VectorType *VecTy = cast<VectorType>(VTy);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
548 DestTy = pickVectorType(VecTy->getNumElements());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
549 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
550
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
551 // no need to cast.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
552 if (VTy == DestTy) return;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
553
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
554 // Pointers:
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
555 if (VTy->isPointerTy()) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
556 if (!DestTy->isPointerTy())
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
557 DestTy = PointerType::get(DestTy, 0);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
558 return PT->push_back(
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
559 new BitCastInst(V, DestTy, "PC", BB->getTerminator()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
560 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
561
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
562 unsigned VSize = VTy->getScalarType()->getPrimitiveSizeInBits();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
563 unsigned DestSize = DestTy->getScalarType()->getPrimitiveSizeInBits();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
564
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
565 // Generate lots of bitcasts.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
566 if ((getRandom() & 1) && VSize == DestSize) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
567 return PT->push_back(
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
568 new BitCastInst(V, DestTy, "BC", BB->getTerminator()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
569 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
570
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
571 // Both types are integers:
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
572 if (VTy->isIntOrIntVectorTy() && DestTy->isIntOrIntVectorTy()) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
573 if (VSize > DestSize) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
574 return PT->push_back(
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
575 new TruncInst(V, DestTy, "Tr", BB->getTerminator()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
576 } else {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
577 assert(VSize < DestSize && "Different int types with the same size?");
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
578 if (getRandom() & 1)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
579 return PT->push_back(
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
580 new ZExtInst(V, DestTy, "ZE", BB->getTerminator()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
581 return PT->push_back(new SExtInst(V, DestTy, "Se", BB->getTerminator()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
582 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
583 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
584
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
585 // Fp to int.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
586 if (VTy->isFPOrFPVectorTy() && DestTy->isIntOrIntVectorTy()) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
587 if (getRandom() & 1)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
588 return PT->push_back(
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
589 new FPToSIInst(V, DestTy, "FC", BB->getTerminator()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
590 return PT->push_back(new FPToUIInst(V, DestTy, "FC", BB->getTerminator()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
591 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
592
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
593 // Int to fp.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
594 if (VTy->isIntOrIntVectorTy() && DestTy->isFPOrFPVectorTy()) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
595 if (getRandom() & 1)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
596 return PT->push_back(
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
597 new SIToFPInst(V, DestTy, "FC", BB->getTerminator()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
598 return PT->push_back(new UIToFPInst(V, DestTy, "FC", BB->getTerminator()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
599 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
600
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
601 // Both floats.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
602 if (VTy->isFPOrFPVectorTy() && DestTy->isFPOrFPVectorTy()) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
603 if (VSize > DestSize) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
604 return PT->push_back(
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
605 new FPTruncInst(V, DestTy, "Tr", BB->getTerminator()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
606 } else if (VSize < DestSize) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
607 return PT->push_back(
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
608 new FPExtInst(V, DestTy, "ZE", BB->getTerminator()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
609 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
610 // If VSize == DestSize, then the two types must be fp128 and ppc_fp128,
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
611 // for which there is no defined conversion. So do nothing.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
612 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
613 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
614 };
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
615
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
616 struct SelectModifier: public Modifier {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
617 SelectModifier(BasicBlock *BB, PieceTable *PT, Random *R)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
618 : Modifier(BB, PT, R) {}
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
619
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
620 void Act() override {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
621 // Try a bunch of different select configuration until a valid one is found.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
622 Value *Val0 = getRandomVal();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
623 Value *Val1 = getRandomValue(Val0->getType());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
624
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
625 Type *CondTy = Type::getInt1Ty(Context);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
626
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
627 // If the value type is a vector, and we allow vector select, then in 50%
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
628 // of the cases generate a vector select.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
629 if (Val0->getType()->isVectorTy() && (getRandom() % 1)) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
630 unsigned NumElem = cast<VectorType>(Val0->getType())->getNumElements();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
631 CondTy = VectorType::get(CondTy, NumElem);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
632 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
633
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
634 Value *Cond = getRandomValue(CondTy);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
635 Value *V = SelectInst::Create(Cond, Val0, Val1, "Sl", BB->getTerminator());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
636 return PT->push_back(V);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
637 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
638 };
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
639
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
640 struct CmpModifier: public Modifier {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
641 CmpModifier(BasicBlock *BB, PieceTable *PT, Random *R)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
642 : Modifier(BB, PT, R) {}
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
643
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
644 void Act() override {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
645 Value *Val0 = getRandomVal();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
646 Value *Val1 = getRandomValue(Val0->getType());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
647
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
648 if (Val0->getType()->isPointerTy()) return;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
649 bool fp = Val0->getType()->getScalarType()->isFloatingPointTy();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
650
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
651 int op;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
652 if (fp) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
653 op = getRandom() %
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
654 (CmpInst::LAST_FCMP_PREDICATE - CmpInst::FIRST_FCMP_PREDICATE) +
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
655 CmpInst::FIRST_FCMP_PREDICATE;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
656 } else {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
657 op = getRandom() %
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
658 (CmpInst::LAST_ICMP_PREDICATE - CmpInst::FIRST_ICMP_PREDICATE) +
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
659 CmpInst::FIRST_ICMP_PREDICATE;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
660 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
661
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
662 Value *V = CmpInst::Create(fp ? Instruction::FCmp : Instruction::ICmp,
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
663 (CmpInst::Predicate)op, Val0, Val1, "Cmp",
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
664 BB->getTerminator());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
665 return PT->push_back(V);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
666 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
667 };
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
668
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
669 } // end anonymous namespace
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
670
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
671 static void FillFunction(Function *F, Random &R) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
672 // Create a legal entry block.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
673 BasicBlock *BB = BasicBlock::Create(F->getContext(), "BB", F);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
674 ReturnInst::Create(F->getContext(), BB);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
675
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
676 // Create the value table.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
677 Modifier::PieceTable PT;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
678
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
679 // Consider arguments as legal values.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
680 for (auto &arg : F->args())
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
681 PT.push_back(&arg);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
682
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
683 // List of modifiers which add new random instructions.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
684 std::vector<std::unique_ptr<Modifier>> Modifiers;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
685 Modifiers.emplace_back(new LoadModifier(BB, &PT, &R));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
686 Modifiers.emplace_back(new StoreModifier(BB, &PT, &R));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
687 auto SM = Modifiers.back().get();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
688 Modifiers.emplace_back(new ExtractElementModifier(BB, &PT, &R));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
689 Modifiers.emplace_back(new ShuffModifier(BB, &PT, &R));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
690 Modifiers.emplace_back(new InsertElementModifier(BB, &PT, &R));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
691 Modifiers.emplace_back(new BinModifier(BB, &PT, &R));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
692 Modifiers.emplace_back(new CastModifier(BB, &PT, &R));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
693 Modifiers.emplace_back(new SelectModifier(BB, &PT, &R));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
694 Modifiers.emplace_back(new CmpModifier(BB, &PT, &R));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
695
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
696 // Generate the random instructions
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
697 AllocaModifier{BB, &PT, &R}.ActN(5); // Throw in a few allocas
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
698 ConstModifier{BB, &PT, &R}.ActN(40); // Throw in a few constants
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
699
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
700 for (unsigned i = 0; i < SizeCL / Modifiers.size(); ++i)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
701 for (auto &Mod : Modifiers)
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
702 Mod->Act();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
703
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
704 SM->ActN(5); // Throw in a few stores.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
705 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
706
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
707 static void IntroduceControlFlow(Function *F, Random &R) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
708 std::vector<Instruction*> BoolInst;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
709 for (auto &Instr : F->front()) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
710 if (Instr.getType() == IntegerType::getInt1Ty(F->getContext()))
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
711 BoolInst.push_back(&Instr);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
712 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
713
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
714 std::shuffle(BoolInst.begin(), BoolInst.end(), R);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
715
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
716 for (auto *Instr : BoolInst) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
717 BasicBlock *Curr = Instr->getParent();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
718 BasicBlock::iterator Loc = Instr->getIterator();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
719 BasicBlock *Next = Curr->splitBasicBlock(Loc, "CF");
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
720 Instr->moveBefore(Curr->getTerminator());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
721 if (Curr != &F->getEntryBlock()) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
722 BranchInst::Create(Curr, Next, Instr, Curr->getTerminator());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
723 Curr->getTerminator()->eraseFromParent();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
724 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
725 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
726 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
727
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
728 } // end namespace llvm
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
729
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
730 int main(int argc, char **argv) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
731 using namespace llvm;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
732
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
733 // Init LLVM, call llvm_shutdown() on exit, parse args, etc.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
734 PrettyStackTraceProgram X(argc, argv);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
735 cl::ParseCommandLineOptions(argc, argv, "llvm codegen stress-tester\n");
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
736 llvm_shutdown_obj Y;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
737
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
738 auto M = std::make_unique<Module>("/tmp/autogen.bc", Context);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
739 Function *F = GenEmptyFunction(M.get());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
740
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
741 // Pick an initial seed value
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
742 Random R(SeedCL);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
743 // Generate lots of random instructions inside a single basic block.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
744 FillFunction(F, R);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
745 // Break the basic block into many loops.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
746 IntroduceControlFlow(F, R);
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
747
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
748 // Figure out what stream we are supposed to write to...
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
749 std::unique_ptr<ToolOutputFile> Out;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
750 // Default to standard output.
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
751 if (OutputFilename.empty())
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
752 OutputFilename = "-";
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
753
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
754 std::error_code EC;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
755 Out.reset(new ToolOutputFile(OutputFilename, EC, sys::fs::OF_None));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
756 if (EC) {
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
757 errs() << EC.message() << '\n';
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
758 return 1;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
759 }
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
760
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
761 legacy::PassManager Passes;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
762 Passes.add(createVerifierPass());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
763 Passes.add(createPrintModulePass(Out->os()));
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
764 Passes.run(*M.get());
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
765 Out->keep();
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
766
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
767 return 0;
66f3bfe93da9 git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
768 }