449     MachineBasicBlock &opBlock = *MPhi->getOperand(i*2+2).getMBB();  in LowerPHINode()  local
454     if (!MBBsInsertedInto.insert(&opBlock).second)  in LowerPHINode()
482       findPHICopyInsertPoint(&opBlock, &MBB, SrcReg);  in LowerPHINode()
491         NewSrcInstr = BuildMI(opBlock, InsertPos, MPhi->getDebugLoc(),  in LowerPHINode()
502         NewSrcInstr = TII->createPHISourceCopy(opBlock, InsertPos, nullptr,  in LowerPHINode()
511         !VRegPHIUseCount[BBVRegPair(opBlock.getNumber(), SrcReg)] &&  in LowerPHINode()
512         !LV->isLiveOut(SrcReg, opBlock)) {  in LowerPHINode()
529       MachineBasicBlock::iterator KillInst = opBlock.end();  in LowerPHINode()
530       for (MachineBasicBlock::iterator Term = InsertPos; Term != opBlock.end();  in LowerPHINode()
536       if (KillInst == opBlock.end()) {  in LowerPHINode()
542           while (KillInst != opBlock.begin()) {  in LowerPHINode()
560       unsigned opBlockNum = opBlock.getNumber();  in LowerPHINode()
571           !VRegPHIUseCount[BBVRegPair(opBlock.getNumber(), SrcReg)]) {  in LowerPHINode()
575         for (MachineBasicBlock *Succ : opBlock.successors()) {  in LowerPHINode()
587           MachineBasicBlock::iterator KillInst = opBlock.end();  in LowerPHINode()
589                Term != opBlock.end(); ++Term) {  in LowerPHINode()
594           if (KillInst == opBlock.end()) {  in LowerPHINode()
600               while (KillInst != opBlock.begin()) {  in LowerPHINode()
617                               LIS->getMBBEndIdx(&opBlock));  in LowerPHINode()