84   Reference getRegReferences(MachineInstr &MI, unsigned Reg);
85   bool convertToBRCT(MachineInstr &MI, MachineInstr &Compare,
86                      SmallVectorImpl<MachineInstr *> &CCUsers);
87   bool convertToLoadAndTrap(MachineInstr &MI, MachineInstr &Compare,
88                             SmallVectorImpl<MachineInstr *> &CCUsers);
89   bool convertToLoadAndTest(MachineInstr &MI, MachineInstr &Compare,
90                             SmallVectorImpl<MachineInstr *> &CCUsers);
91   bool convertToLogical(MachineInstr &MI, MachineInstr &Compare,
92                         SmallVectorImpl<MachineInstr *> &CCUsers);
93   bool adjustCCMasksForInstr(MachineInstr &MI, MachineInstr &Compare,
94                              SmallVectorImpl<MachineInstr *> &CCUsers,
96   bool optimizeCompareZero(MachineInstr &Compare,
97                            SmallVectorImpl<MachineInstr *> &CCUsers);
98   bool fuseCompareOperations(MachineInstr &Compare,
99                              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()
165 static bool isLoadAndTestAsCmp(MachineInstr &MI) {  in isLoadAndTestAsCmp()
176 static unsigned getCompareSourceReg(MachineInstr &Compare) {  in getCompareSourceReg()
191     MachineInstr &MI, MachineInstr &Compare,  in convertToBRCT()
192     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToBRCT()
210   MachineInstr *Branch = CCUsers[0];  in convertToBRCT()
245     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTrap()
246     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToLoadAndTrap()
254   MachineInstr *Branch = CCUsers[0];  in convertToLoadAndTrap()
285     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTest()
286     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToLoadAndTest()
303     MIB.setMIFlag(MachineInstr::MIFlag::NoFPExcept);  in convertToLoadAndTest()
313     MachineInstr &MI, MachineInstr &Compare,  in convertToLogical()
314     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToLogical()
361     MachineInstr &MI, MachineInstr &Compare,  in adjustCCMasksForInstr()
362     SmallVectorImpl<MachineInstr *> &CCUsers,  in adjustCCMasksForInstr()
391   if (MI.getFlag(MachineInstr::NoSWrap) &&  in adjustCCMasksForInstr()
431       MachineInstr *CCUserMI = CCUsers[I];  in adjustCCMasksForInstr()
501 static bool isCompareZero(MachineInstr &Compare) {  in isCompareZero()
521     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in optimizeCompareZero()
533     MachineInstr &MI = *MBBI++;  in optimizeCompareZero()
577     MachineInstr &MI = *MBBI++;  in optimizeCompareZero()
597     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in fuseCompareOperations()
601   MachineInstr *Branch = CCUsers[0];  in fuseCompareOperations()
712   SmallVector<MachineInstr *, 4> CCUsers;  in processBlock()
715     MachineInstr &MI = *--MBBI;  in processBlock()