471       reductions_(nullptr),  in HLoopOptimization()
548     reductions_ = &reds;  in LocalRun()
556     reductions_ = nullptr;  in LocalRun()
741     if (reductions_->empty() &&  // TODO: possible with some effort  in TryOptimizeInnerLoopFinite()
1187   for (auto i = reductions_->begin(); i != reductions_->end(); ++i) {  in Vectorize()
1263   for (auto i = reductions_->begin(); i != reductions_->end(); ++i) {  in GenerateNewLoop()
1316   auto redit = reductions_->find(instruction);  in VectorizeDef()
1317   if (redit != reductions_->end()) {  in VectorizeDef()
1390     if (reductions_->find(instruction) != reductions_->end()) {  in VectorizeUse()
1770   DCHECK(reductions_->find(phi) != reductions_->end());  in GenerateVecReductionPhi()
1771   DCHECK(reductions_->Get(phi->InputAt(1)) == phi);  in GenerateVecReductionPhi()
1795   HInstruction* new_init = reductions_->Get(phi);  in GenerateVecReductionPhiInputs()
1833   reductions_->find(phi)->second = new_phi;  in GenerateVecReductionPhiInputs()
2298         reductions_->Put(reduction, phi);  in TrySetPhiReduction()
2299         reductions_->Put(phi, phi->InputAt(0));  in TrySetPhiReduction()
2310   reductions_->clear();  in TrySetSimpleLoopHeader()