192   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in convertToBRCT()  local
193   for (++MBBI; MBBI != MBBE; ++MBBI)  in convertToBRCT()
194     if (getRegReferences(MBBI, SrcReg))  in convertToBRCT()
295   MachineBasicBlock::iterator MBBI = MI, MBBE = Compare;  in adjustCCMasksForInstr()  local
296   for (++MBBI; MBBI != MBBE; ++MBBI)  in adjustCCMasksForInstr()
297     MBBI->clearRegisterKills(SystemZ::CC, TRI);  in adjustCCMasksForInstr()
331   MachineBasicBlock::iterator MBBI = Compare, MBBE = MBB.begin();  in optimizeCompareZero()  local
334   while (MBBI != MBBE) {  in optimizeCompareZero()
335     --MBBI;  in optimizeCompareZero()
336     MachineInstr *MI = MBBI;  in optimizeCompareZero()
384   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in fuseCompareAndBranch()  local
385   for (++MBBI; MBBI != MBBE; ++MBBI)  in fuseCompareAndBranch()
386     if (MBBI->modifiesRegister(SrcReg, TRI) ||  in fuseCompareAndBranch()
387         (SrcReg2 && MBBI->modifiesRegister(SrcReg2, TRI)))  in fuseCompareAndBranch()
391   MachineOperand CCMask(MBBI->getOperand(1));  in fuseCompareAndBranch()
392   MachineOperand Target(MBBI->getOperand(2));  in fuseCompareAndBranch()
397   int CCUse = MBBI->findRegisterUseOperandIdx(SystemZ::CC, false, TRI);  in fuseCompareAndBranch()
414   MBBI = Compare;  in fuseCompareAndBranch()
415   for (++MBBI; MBBI != MBBE; ++MBBI) {  in fuseCompareAndBranch()
416     MBBI->clearRegisterKills(SrcReg, TRI);  in fuseCompareAndBranch()
418       MBBI->clearRegisterKills(SrcReg2, TRI);  in fuseCompareAndBranch()
434   MachineBasicBlock::iterator MBBI = MBB.end();  in processBlock()  local
435   while (MBBI != MBB.begin()) {  in processBlock()
436     MachineInstr *MI = --MBBI;  in processBlock()
441       ++MBBI;  in processBlock()