Lines Matching defs:AddrDisc

177   // The returned register is either unmodified AddrDisc or x16/x17.
179   // If the expanded pseudo is allowed to clobber AddrDisc register, setting
181   // is already in x16/x17 (i.e. return x16/x17 which is the *modified* AddrDisc
191   Register emitPtrauthDiscriminator(uint16_t Disc, Register AddrDisc,
1866                                                      Register AddrDisc,
1871   if (AddrDisc == AArch64::NoRegister)
1872     AddrDisc = AArch64::XZR;
1877     return AddrDisc;
1880   if (AddrDisc == AArch64::XZR) {
1888   assert(MayUseAddrAsScratch || ScratchReg != AddrDisc);
1889   bool AddrDiscIsSafe = AddrDisc == AArch64::X16 || AddrDisc == AArch64::X17;
1891     ScratchReg = AddrDisc;
1893     emitMovXReg(ScratchReg, AddrDisc);
2186   unsigned AddrDisc = MI->getOperand(3).getReg();
2188   // Make sure AddrDisc is solely used to compute the discriminator.
2192   if (BrTarget == AddrDisc)
2196   // implicit-def'ed by the MI and AddrDisc is not used as any other input, so
2200   Register DiscReg = emitPtrauthDiscriminator(Disc, AddrDisc, AArch64::X17,
2340   const unsigned AddrDisc = MI.getOperand(2).getReg();
2495   Register DiscReg = emitPtrauthDiscriminator(Disc, AddrDisc, AArch64::X17);
2782     Register AddrDisc = MI->getOperand(4).getReg();
2789     if (Callee == AddrDisc)
2791     Register DiscReg = emitPtrauthDiscriminator(Disc, AddrDisc, ScratchReg,