307   MachineBasicBlock *FSB = (FNS > 0) ? *FB->succ_begin() : nullptr;  in matchFlowPattern()  local
312       if (TSB == FSB)  in matchFlowPattern()
323     if (FSB == TB)  in matchFlowPattern()
530     MachineBasicBlock *FSB = *FP.FalseB->succ_begin();  in isProfitable()  local
531     if (TSB != FSB)  in isProfitable()
860   MachineBasicBlock *TSB = nullptr, *FSB = nullptr;  in convert()  local
870     FSB = *FP.FalseB->succ_begin();  in convert()
921     if (FSB) {  in convert()
927       MIB.addMBB(FSB);  in convert()
928       FP.SplitB->addSuccessor(FSB);  in convert()
948     if (FSB)  in convert()
949       updatePhiNodes(FSB, FP);  in convert()