88     MBFI = &getAnalysis<MachineBlockFrequencyInfo>();  in init()
91     MBFI = nullptr;  in init()
95   MORE = std::make_unique<MachineOptimizationRemarkEmitter>(MF, MBFI);  in init()
445   assert((MBFI || !BestCost) && "Costs comparison require MBFI");  in computeMapping()
451   MappingCost Cost(MBFI ? MBFI->getBlockFreq(MI.getParent()) : 1);  in computeMapping()
514     assert(MBFI && MBPI && "Cost computation requires MBFI and MBPI");  in computeMapping()
903   const MachineBlockFrequencyInfo *MBFI =  in frequency()  local
905   if (!MBFI)  in frequency()
907   return MBFI->getBlockFreq(Instr.getParent()).getFrequency();  in frequency()
911   const MachineBlockFrequencyInfo *MBFI =  in frequency()  local
913   if (!MBFI)  in frequency()
915   return MBFI->getBlockFreq(&MBB).getFrequency();  in frequency()
932   const MachineBlockFrequencyInfo *MBFI =  in frequency()  local
934   if (!MBFI)  in frequency()
937     return MBFI->getBlockFreq(DstOrSplit).getFrequency();  in frequency()
944   return (MBFI->getBlockFreq(&Src) * MBPI->getEdgeProbability(&Src, DstOrSplit))  in frequency()