50   bool convertToUnmasked(MachineInstr &MI, MachineInstr *MaskDef);
51   bool convertVMergeToVMv(MachineInstr &MI, MachineInstr *MaskDef);
53   bool isAllOnesMask(MachineInstr *MaskDef);
62 bool RISCVFoldMasks::isAllOnesMask(MachineInstr *MaskDef) {  in isAllOnesMask()  argument
63   if (!MaskDef)  in isAllOnesMask()
65   assert(MaskDef->isCopy() && MaskDef->getOperand(0).getReg() == RISCV::V0);  in isAllOnesMask()
66   Register SrcReg = TRI->lookThruCopyLike(MaskDef->getOperand(1).getReg(), MRI);  in isAllOnesMask()
69   MaskDef = MRI->getVRegDef(SrcReg);  in isAllOnesMask()
70   if (!MaskDef)  in isAllOnesMask()
76   switch (MaskDef->getOpcode()) {  in isAllOnesMask()
136                                        MachineInstr *MaskDef) {  in convertToUnmasked()  argument
142   if (!isAllOnesMask(MaskDef))  in convertToUnmasked()