85   bool convertToBRCT(MachineInstr &MI, MachineInstr &Compare,
87   bool convertToLoadAndTrap(MachineInstr &MI, MachineInstr &Compare,
89   bool convertToLoadAndTest(MachineInstr &MI, MachineInstr &Compare,
91   bool adjustCCMasksForInstr(MachineInstr &MI, MachineInstr &Compare,
94   bool optimizeCompareZero(MachineInstr &Compare,
96   bool fuseCompareOperations(MachineInstr &Compare,
179 static unsigned getCompareSourceReg(MachineInstr &Compare) {  in getCompareSourceReg()  argument
181   if (Compare.isCompare())  in getCompareSourceReg()
182     reg = Compare.getOperand(0).getReg();  in getCompareSourceReg()
183   else if (isLoadAndTestAsCmp(Compare))  in getCompareSourceReg()
184     reg = Compare.getOperand(1).getReg();  in getCompareSourceReg()
194     MachineInstr &MI, MachineInstr &Compare,  in convertToBRCT()  argument
222   unsigned SrcReg = getCompareSourceReg(Compare);  in convertToBRCT()
223   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in convertToBRCT()
248     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTrap()  argument
266   unsigned SrcReg = getCompareSourceReg(Compare);  in convertToLoadAndTrap()
267   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in convertToLoadAndTrap()
288     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTest()  argument
293   if (!Opcode || !adjustCCMasksForInstr(MI, Compare, CCUsers, Opcode))  in convertToLoadAndTest()
313     MachineInstr &MI, MachineInstr &Compare,  in adjustCCMasksForInstr()  argument
324   unsigned CompareFlags = Compare.getDesc().TSFlags;  in adjustCCMasksForInstr()
389     if (MBBI == Compare) {  in adjustCCMasksForInstr()
396     MachineBasicBlock::iterator MBBI = MI, MBBE = Compare;  in adjustCCMasksForInstr()
405 static bool isCompareZero(MachineInstr &Compare) {  in isCompareZero()  argument
406   switch (Compare.getOpcode()) {  in isCompareZero()
413     if (isLoadAndTestAsCmp(Compare))  in isCompareZero()
415     return Compare.getNumExplicitOperands() == 2 &&  in isCompareZero()
416            Compare.getOperand(1).isImm() && Compare.getOperand(1).getImm() == 0;  in isCompareZero()
425     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in optimizeCompareZero()  argument
426   if (!isCompareZero(Compare))  in optimizeCompareZero()
430   unsigned SrcReg = getCompareSourceReg(Compare);  in optimizeCompareZero()
431   MachineBasicBlock &MBB = *Compare.getParent();  in optimizeCompareZero()
435          std::next(MachineBasicBlock::reverse_iterator(&Compare)),  in optimizeCompareZero()
443         if (convertToBRCT(MI, Compare, CCUsers)) {  in optimizeCompareZero()
447         if (convertToLoadAndTrap(MI, Compare, CCUsers)) {  in optimizeCompareZero()
453       if ((!CCRefs && convertToLoadAndTest(MI, Compare, CCUsers)) ||  in optimizeCompareZero()
454           (!CCRefs.Def && adjustCCMasksForInstr(MI, Compare, CCUsers))) {  in optimizeCompareZero()
471          std::next(MachineBasicBlock::iterator(&Compare)), MBBE = MBB.end();  in optimizeCompareZero()
476       if (convertToLoadAndTest(MI, Compare, CCUsers)) {  in optimizeCompareZero()
493     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in fuseCompareOperations()  argument
518       TII->getFusedCompare(Compare.getOpcode(), Type, &Compare);  in fuseCompareOperations()
526   unsigned SrcReg = Compare.getOperand(0).getReg();  in fuseCompareOperations()
528       Compare.getOperand(1).isReg() ? Compare.getOperand(1).getReg() : 0;  in fuseCompareOperations()
529   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in fuseCompareOperations()
566     MIB.add(Compare.getOperand(I));  in fuseCompareOperations()
581   MBBI = Compare;  in fuseCompareOperations()