74   bool convertToBRCT(MachineInstr &MI, MachineInstr &Compare,
77   bool adjustCCMasksForInstr(MachineInstr &MI, MachineInstr &Compare,
79   bool optimizeCompareZero(MachineInstr &Compare,
81   bool fuseCompareOperations(MachineInstr &Compare,
161 static unsigned getCompareSourceReg(MachineInstr &Compare) {  in getCompareSourceReg()  argument
163   if (Compare.isCompare())  in getCompareSourceReg()
164     reg = Compare.getOperand(0).getReg();  in getCompareSourceReg()
165   else if (isLoadAndTestAsCmp(Compare))  in getCompareSourceReg()
166     reg = Compare.getOperand(1).getReg();  in getCompareSourceReg()
176     MachineInstr &MI, MachineInstr &Compare,  in convertToBRCT()  argument
202   unsigned SrcReg = getCompareSourceReg(Compare);  in convertToBRCT()
203   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in convertToBRCT()
241     MachineInstr &MI, MachineInstr &Compare,  in adjustCCMasksForInstr()  argument
251   unsigned CompareFlags = Compare.getDesc().TSFlags;  in adjustCCMasksForInstr()
305   MachineBasicBlock::iterator MBBI = MI, MBBE = Compare;  in adjustCCMasksForInstr()
313 static bool isCompareZero(MachineInstr &Compare) {  in isCompareZero()  argument
314   switch (Compare.getOpcode()) {  in isCompareZero()
322     if (isLoadAndTestAsCmp(Compare))  in isCompareZero()
325     return Compare.getNumExplicitOperands() == 2 &&  in isCompareZero()
326            Compare.getOperand(1).isImm() && Compare.getOperand(1).getImm() == 0;  in isCompareZero()
335     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in optimizeCompareZero()  argument
336   if (!isCompareZero(Compare))  in optimizeCompareZero()
340   unsigned SrcReg = getCompareSourceReg(Compare);  in optimizeCompareZero()
341   MachineBasicBlock &MBB = *Compare.getParent();  in optimizeCompareZero()
342   MachineBasicBlock::iterator MBBI = Compare, MBBE = MBB.begin();  in optimizeCompareZero()
352       if (!CCRefs.Use && !SrcRefs && convertToBRCT(MI, Compare, CCUsers)) {  in optimizeCompareZero()
358           (!CCRefs.Def && adjustCCMasksForInstr(MI, Compare, CCUsers))) {  in optimizeCompareZero()
376     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in fuseCompareOperations()  argument
401       TII->getFusedCompare(Compare.getOpcode(), Type, &Compare);  in fuseCompareOperations()
406   unsigned SrcReg = Compare.getOperand(0).getReg();  in fuseCompareOperations()
408       Compare.getOperand(1).isReg() ? Compare.getOperand(1).getReg() : 0;  in fuseCompareOperations()
409   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in fuseCompareOperations()
440   MIB.addOperand(Compare.getOperand(0))  in fuseCompareOperations()
441       .addOperand(Compare.getOperand(1))  in fuseCompareOperations()
456   MBBI = Compare;  in fuseCompareOperations()