203   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in convertToBRCT()  local
204   for (++MBBI; MBBI != MBBE; ++MBBI)  in convertToBRCT()
205     if (getRegReferences(*MBBI, SrcReg))  in convertToBRCT()
305   MachineBasicBlock::iterator MBBI = MI, MBBE = Compare;  in adjustCCMasksForInstr()  local
306   for (++MBBI; MBBI != MBBE; ++MBBI)  in adjustCCMasksForInstr()
307     MBBI->clearRegisterKills(SystemZ::CC, TRI);  in adjustCCMasksForInstr()
342   MachineBasicBlock::iterator MBBI = Compare, MBBE = MBB.begin();  in optimizeCompareZero()  local
345   while (MBBI != MBBE) {  in optimizeCompareZero()
346     --MBBI;  in optimizeCompareZero()
347     MachineInstr &MI = *MBBI;  in optimizeCompareZero()
409   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in fuseCompareOperations()  local
410   for (++MBBI; MBBI != MBBE; ++MBBI)  in fuseCompareOperations()
411     if (MBBI->modifiesRegister(SrcReg, TRI) ||  in fuseCompareOperations()
412         (SrcReg2 && MBBI->modifiesRegister(SrcReg2, TRI)))  in fuseCompareOperations()
416   MachineOperand CCMask(MBBI->getOperand(1));  in fuseCompareOperations()
420   MachineOperand Target(MBBI->getOperand(  in fuseCompareOperations()
424     RegMask = MBBI->getOperand(2).getRegMask();  in fuseCompareOperations()
427   int CCUse = MBBI->findRegisterUseOperandIdx(SystemZ::CC, false, TRI);  in fuseCompareOperations()
456   MBBI = Compare;  in fuseCompareOperations()
457   for (++MBBI; MBBI != MBBE; ++MBBI) {  in fuseCompareOperations()
458     MBBI->clearRegisterKills(SrcReg, TRI);  in fuseCompareOperations()
460       MBBI->clearRegisterKills(SrcReg2, TRI);  in fuseCompareOperations()
476   MachineBasicBlock::iterator MBBI = MBB.end();  in processBlock()  local
477   while (MBBI != MBB.begin()) {  in processBlock()
478     MachineInstr &MI = *--MBBI;  in processBlock()
482       ++MBBI;  in processBlock()