124           MachineBasicBlock *FB, MachineBasicBlock *JB)  in FlowPattern()
125       : SplitB(B), TrueB(TB), FalseB(FB), JoinB(JB), PredR(PR) {}  in FlowPattern()
246   MachineBasicBlock *TB = nullptr, *FB = nullptr;  in matchFlowPattern()  local
274     TB = T1B, FB = T2B;  in matchFlowPattern()
276     TB = T2B, FB = T1B;  in matchFlowPattern()
278   if (!MDT->properlyDominates(B, TB) || !MDT->properlyDominates(B, FB))  in matchFlowPattern()
285   assert(TB && FB && "Failed to find triangle control flow blocks");  in matchFlowPattern()
286   unsigned TNP = TB->pred_size(), FNP = FB->pred_size();  in matchFlowPattern()
287   unsigned TNS = TB->succ_size(), FNS = FB->succ_size();  in matchFlowPattern()
295   bool FOk = (FNP == 1 && FNS == 1 && MLI->getLoopFor(FB) == L);  in matchFlowPattern()
299   if (SkipExitBranches && MLI->getLoopFor(TB) != MLI->getLoopFor(FB))  in matchFlowPattern()
307   MachineBasicBlock *FSB = (FNS > 0) ? *FB->succ_begin() : nullptr;  in matchFlowPattern()
317       if (TSB == FB)  in matchFlowPattern()
318         JB = FB;  in matchFlowPattern()
319       FB = nullptr;  in matchFlowPattern()
328   if ((TB && isPreheader(TB)) || (FB && isPreheader(FB))) {  in matchFlowPattern()
329     LLVM_DEBUG(dbgs() << "One of blocks " << PrintMB(TB) << ", " << PrintMB(FB)  in matchFlowPattern()
334   FP = FlowPattern(B, PredR, TB, FB, JB);  in matchFlowPattern()