33   auto RS = makeSampler(Rand, make_filter_range(Insts, MatchesPred));  in findOrCreateSource()  local
35   RS.sample(nullptr, /*Weight=*/1);  in findOrCreateSource()
36   if (Instruction *Src = RS.getSelection())  in findOrCreateSource()
44   auto RS = makeSampler<Value *>(Rand);  in newSource()  local
45   RS.sample(Pred.generate(Srcs, KnownTypes));  in newSource()
58                          ? RS.getSelection()->getType()  in newSource()
64       RS.sample(NewLoad, RS.totalWeight());  in newSource()
69   assert(!RS.isEmpty() && "Failed to generate sources");  in newSource()
70   return RS.getSelection();  in newSource()
100   auto RS = makeSampler<Use *>(Rand);  in connectToSink()  local
109         RS.sample(&U, 1);  in connectToSink()
112   RS.sample(nullptr, /*Weight=*/1);  in connectToSink()
114   if (Use *Sink = RS.getSelection()) {  in connectToSink()
159   if (auto RS = makeSampler(Rand, make_filter_range(Insts, IsMatchingPtr)))  in findPointer()  local
160     return RS.getSelection();  in findPointer()