Lines Matching defs:DstReg
150 unsigned SrcReg, DstReg, SubIdx;
151 if (!TII->isCoalescableExtInstr(*MI, SrcReg, DstReg, SubIdx))
154 if (TargetRegisterInfo::isPhysicalRegister(DstReg) ||
162 // Ensure DstReg can get a register class that actually supports
164 const TargetRegisterClass *DstRC = MRI->getRegClass(DstReg);
181 UI = MRI->use_nodbg_begin(DstReg), UE = MRI->use_nodbg_end();
264 UI = MRI->use_nodbg_begin(DstReg), UE = MRI->use_nodbg_end();
277 // About to add uses of DstReg, clear DstReg's kill flags.
279 MRI->clearKillFlags(DstReg);
280 MRI->constrainRegClass(DstReg, DstRC);
286 .addReg(DstReg, 0, SubIdx);
287 // SubIdx applies to both SrcReg and DstReg when UseSrcSubIdx is set.