81   Reference getRegReferences(MachineInstr &MI, unsigned Reg);
82   bool convertToBRCT(MachineInstr &MI, MachineInstr &Compare,
83                      SmallVectorImpl<MachineInstr *> &CCUsers);
84   bool convertToLoadAndTrap(MachineInstr &MI, MachineInstr &Compare,
85                             SmallVectorImpl<MachineInstr *> &CCUsers);
86   bool convertToLoadAndTest(MachineInstr &MI, MachineInstr &Compare,
87                             SmallVectorImpl<MachineInstr *> &CCUsers);
88   bool convertToLogical(MachineInstr &MI, MachineInstr &Compare,
89                         SmallVectorImpl<MachineInstr *> &CCUsers);
90   bool adjustCCMasksForInstr(MachineInstr &MI, MachineInstr &Compare,
91                              SmallVectorImpl<MachineInstr *> &CCUsers,
93   bool optimizeCompareZero(MachineInstr &Compare,
94                            SmallVectorImpl<MachineInstr *> &CCUsers);
95   bool fuseCompareOperations(MachineInstr &Compare,
96                              SmallVectorImpl<MachineInstr *> &CCUsers);
110 static bool preservesValueOf(MachineInstr &MI, unsigned Reg) {  in preservesValueOf()
133 static bool resultTests(MachineInstr &MI, unsigned Reg) {  in resultTests()
142 Reference SystemZElimCompare::getRegReferences(MachineInstr &MI, unsigned Reg) {  in getRegReferences()
164 static bool isLoadAndTestAsCmp(MachineInstr &MI) {  in isLoadAndTestAsCmp()
175 static unsigned getCompareSourceReg(MachineInstr &Compare) {  in getCompareSourceReg()
190     MachineInstr &MI, MachineInstr &Compare,  in convertToBRCT()
191     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToBRCT()
209   MachineInstr *Branch = CCUsers[0];  in convertToBRCT()
244     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTrap()
245     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToLoadAndTrap()
253   MachineInstr *Branch = CCUsers[0];  in convertToLoadAndTrap()
284     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTest()
285     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToLoadAndTest()
302     MIB.setMIFlag(MachineInstr::MIFlag::NoFPExcept);  in convertToLoadAndTest()
312     MachineInstr &MI, MachineInstr &Compare,  in convertToLogical()
313     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToLogical()
360     MachineInstr &MI, MachineInstr &Compare,  in adjustCCMasksForInstr()
361     SmallVectorImpl<MachineInstr *> &CCUsers,  in adjustCCMasksForInstr()
390   if (MI.getFlag(MachineInstr::NoSWrap) &&  in adjustCCMasksForInstr()
430       MachineInstr *CCUserMI = CCUsers[I];  in adjustCCMasksForInstr()
500 static bool isCompareZero(MachineInstr &Compare) {  in isCompareZero()
520     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in optimizeCompareZero()
532     MachineInstr &MI = *MBBI++;  in optimizeCompareZero()
575   for (MachineInstr &MI : llvm::make_early_inc_range(MIRange)) {  in optimizeCompareZero()
595     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in fuseCompareOperations()
599   MachineInstr *Branch = CCUsers[0];  in fuseCompareOperations()
710   SmallVector<MachineInstr *, 4> CCUsers;  in processBlock()
713     MachineInstr &MI = *--MBBI;  in processBlock()