7050                                Optional<unsigned> FirstMaskArgument,  in allocateRVVReg()  argument
7057     if (FirstMaskArgument.hasValue() && ValNo == FirstMaskArgument.getValue())  in allocateRVVReg()
7075                      Optional<unsigned> FirstMaskArgument) {  in CC_RISCV()  argument
7219     Reg = allocateRVVReg(ValVT, ValNo, FirstMaskArgument, State, TLI);  in CC_RISCV()
7303   Optional<unsigned> FirstMaskArgument;  in analyzeInputArgs()  local
7305     FirstMaskArgument = preAssignMask(Ins);  in analyzeInputArgs()
7320            FirstMaskArgument)) {  in analyzeInputArgs()
7334   Optional<unsigned> FirstMaskArgument;  in analyzeOutputArgs()  local
7336     FirstMaskArgument = preAssignMask(Outs);  in analyzeOutputArgs()
7346            FirstMaskArgument)) {  in analyzeOutputArgs()
7497                             Optional<unsigned> FirstMaskArgument) {  in CC_RISCV_FastCC()  argument
7562             allocateRVVReg(ValVT, ValNo, FirstMaskArgument, State, TLI)) {  in CC_RISCV_FastCC()
8179   Optional<unsigned> FirstMaskArgument;  in CanLowerReturn()  local
8181     FirstMaskArgument = preAssignMask(Outs);  in CanLowerReturn()
8189                  *this, FirstMaskArgument))  in CanLowerReturn()