36 void IRMutationStrategy::mutate(Module &M, RandomIRBuilder &IB) {  in mutate()  argument
37   auto RS = makeSampler<Function *>(IB.Rand);  in mutate()
42   while (RS.totalWeight() < IB.MinFunctionNum) {  in mutate()
43     Function *F = IB.createFunctionDefinition(M);  in mutate()
46   mutate(*RS.getSelection(), IB);  in mutate()
49 void IRMutationStrategy::mutate(Function &F, RandomIRBuilder &IB) {  in mutate()  argument
53   mutate(*makeSampler(IB.Rand, Range).getSelection(), IB);  in mutate()
56 void IRMutationStrategy::mutate(BasicBlock &BB, RandomIRBuilder &IB) {  in mutate()  argument
57   mutate(*makeSampler(IB.Rand, make_pointer_range(BB)).getSelection(), IB);  in mutate()
68   RandomIRBuilder IB(Seed, Types);  in mutateModule()  local
71   auto RS = makeSampler<IRMutationStrategy *>(IB.Rand);  in mutateModule()
79   Strategy->mutate(M, IB);  in mutateModule()
91 void InjectorIRStrategy::mutate(Function &F, RandomIRBuilder &IB) {  in mutate()  argument
92   IRMutationStrategy::mutate(F, IB);  in mutate()
108 InjectorIRStrategy::chooseOperation(Value *Src, RandomIRBuilder &IB) {  in chooseOperation()  argument
112   auto RS = makeSampler(IB.Rand, make_filter_range(Operations, OpMatchesPred));  in chooseOperation()
124 void InjectorIRStrategy::mutate(BasicBlock &BB, RandomIRBuilder &IB) {  in mutate()  argument
132   size_t IP = uniform<size_t>(IB.Rand, 0, Insts.size() - 1);  in mutate()
139   Srcs.push_back(IB.findOrCreateSource(BB, InstsBefore));  in mutate()
143   auto OpDesc = chooseOperation(Srcs[0], IB);  in mutate()
149     Srcs.push_back(IB.findOrCreateSource(BB, InstsBefore, Srcs, Pred));  in mutate()
153     IB.connectToSink(BB, InstsAfter, Op);  in mutate()
174 void InstDeleterIRStrategy::mutate(Function &F, RandomIRBuilder &IB) {  in mutate()  argument
175   auto RS = makeSampler<Instruction *>(IB.Rand);  in mutate()
188   mutate(*RS.getSelection(), IB);  in mutate()
193 void InstDeleterIRStrategy::mutate(Instruction &Inst, RandomIRBuilder &IB) {  in mutate()  argument
206   auto RS = makeSampler<Value *>(IB.Rand);  in mutate()
216     RS.sample(IB.newSource(*BB, InstsBefore, {}, Pred), /*Weight=*/1);  in mutate()
223                                         RandomIRBuilder &IB) {  in mutate()  argument
343   auto RS = makeSampler(IB.Rand, Modifications);  in mutate()
351                                    uint64_t MaxValue, RandomIRBuilder &IB) {  in getUniqueCaseValue()  argument
354     tmp = uniform<uint64_t>(IB.Rand, 0, MaxValue);  in getUniqueCaseValue()
360 void InsertFunctionStrategy::mutate(BasicBlock &BB, RandomIRBuilder &IB) {  in mutate()  argument
368   auto RS = makeSampler(IB.Rand, Functions);  in mutate()
379     F = IB.createFunctionDeclaration(*M);  in mutate()
405   uint64_t IP = uniform<uint64_t>(IB.Rand, 0, Insts.size() - 1);  in mutate()
414     Srcs.push_back(IB.findOrCreateSource(BB, InstsBefore, Srcs, Pred));  in mutate()
419     IB.connectToSink(BB, InstsAfter, Op);  in mutate()
423 void InsertCFGStrategy::mutate(BasicBlock &BB, RandomIRBuilder &IB) {  in mutate()  argument
431   uint64_t IP = uniform<uint64_t>(IB.Rand, 0, Insts.size() - 1);  in mutate()
444   if (uniform<uint64_t>(IB.Rand, 0, 1)) {  in mutate()
449         IB.findOrCreateSource(*Source, InstsBeforeSplit, {},  in mutate()
455     connectBlocksToSink({IfTrue, IfFalse}, Sink, IB);  in mutate()
460         makeSampler(IB.Rand, make_filter_range(IB.KnownTypes, [](Type *Ty) {  in mutate()
472     Value *Cond = IB.findOrCreateSource(*Source, InstsBeforeSplit, {},  in mutate()
475     uint64_t NumCases = uniform<uint64_t>(IB.Rand, 1, MaxNumCases);  in mutate()
485       uint64_t CaseVal = getUniqueCaseValue(CasesTaken, MaxCaseVal, IB);  in mutate()
493     connectBlocksToSink(Blocks, Sink, IB);  in mutate()
501                                             RandomIRBuilder &IB) {  in connectBlocksToSink()  argument
502   uint64_t DirectSinkIdx = uniform<uint64_t>(IB.Rand, 0, Blocks.size() - 1);  in connectBlocksToSink()
508                                  IB.Rand, 0, CFGToSink::EndOfCFGToLink - 1));  in connectBlocksToSink()
518             IB.findOrCreateSource(*BB, {}, {}, fuzzerop::onlyType(RetTy));  in connectBlocksToSink()
529       uint64_t coin = uniform<uint64_t>(IB.Rand, 0, 1);  in connectBlocksToSink()
530       Value *Cond = IB.findOrCreateSource(  in connectBlocksToSink()
541 void InsertPHIStrategy::mutate(BasicBlock &BB, RandomIRBuilder &IB) {  in mutate()  argument
545   Type *Ty = IB.randomType();  in mutate()
559       Src = IB.findOrCreateSource(*Pred, Insts, {}, fuzzerop::onlyType(Ty));  in mutate()
567   IB.connectToSink(BB, InstsAfter, PHI);  in mutate()
570 void SinkInstructionStrategy::mutate(Function &F, RandomIRBuilder &IB) {  in mutate()  argument
572     this->mutate(BB, IB);  in mutate()
575 void SinkInstructionStrategy::mutate(BasicBlock &BB, RandomIRBuilder &IB) {  in mutate()  argument
582   uint64_t Idx = uniform<uint64_t>(IB.Rand, 0, Insts.size() - 1);  in mutate()
590     IB.connectToSink(BB, InstsAfter, Inst);  in mutate()
593 void ShuffleBlockStrategy::mutate(BasicBlock &BB, RandomIRBuilder &IB) {  in mutate()  argument
640     auto RS = makeSampler<size_t>(IB.Rand);  in mutate()