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 adjustCCMasksForInstr(MachineInstr &MI, MachineInstr &Compare,
92                              SmallVectorImpl<MachineInstr *> &CCUsers,
94   bool optimizeCompareZero(MachineInstr &Compare,
95                            SmallVectorImpl<MachineInstr *> &CCUsers);
96   bool fuseCompareOperations(MachineInstr &Compare,
97                              SmallVectorImpl<MachineInstr *> &CCUsers);
116 static bool preservesValueOf(MachineInstr &MI, unsigned Reg) {  in preservesValueOf()
139 static bool resultTests(MachineInstr &MI, unsigned Reg) {  in resultTests()
148 Reference SystemZElimCompare::getRegReferences(MachineInstr &MI, unsigned Reg) {  in getRegReferences()
168 static bool isLoadAndTestAsCmp(MachineInstr &MI) {  in isLoadAndTestAsCmp()
179 static unsigned getCompareSourceReg(MachineInstr &Compare) {  in getCompareSourceReg()
194     MachineInstr &MI, MachineInstr &Compare,  in convertToBRCT()
195     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToBRCT()
213   MachineInstr *Branch = CCUsers[0];  in convertToBRCT()
248     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTrap()
249     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToLoadAndTrap()
257   MachineInstr *Branch = CCUsers[0];  in convertToLoadAndTrap()
288     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTest()
289     SmallVectorImpl<MachineInstr *> &CCUsers) {  in convertToLoadAndTest()
313     MachineInstr &MI, MachineInstr &Compare,  in adjustCCMasksForInstr()
314     SmallVectorImpl<MachineInstr *> &CCUsers,  in adjustCCMasksForInstr()
342       MachineInstr *MI = CCUsers[I];  in adjustCCMasksForInstr()
405 static bool isCompareZero(MachineInstr &Compare) {  in isCompareZero()
425     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in optimizeCompareZero()
437     MachineInstr &MI = *MBBI++;  in optimizeCompareZero()
473     MachineInstr &MI = *MBBI++;  in optimizeCompareZero()
493     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in fuseCompareOperations()
497   MachineInstr *Branch = CCUsers[0];  in fuseCompareOperations()
600   SmallVector<MachineInstr *, 4> CCUsers;  in processBlock()
603     MachineInstr &MI = *--MBBI;  in processBlock()