Lines Matching defs:FromReg

83 // Replace uses of FromReg with ToReg if they are dominated by MI.
85                                  unsigned FromReg, unsigned ToReg,
91   LiveInterval *FromLI = &LIS.getInterval(FromReg);
100        llvm::make_early_inc_range(MRI.use_nodbg_operands(FromReg))) {
135     // Shrink FromReg's liveness.
138     // If we replaced all dominated uses, FromReg is now killed at MI.
140       MI.addRegisterKilled(FromReg, MBB.getParent()
168   Register FromReg = MI.getOperand(2).getReg();
170   if (MRI.getRegClass(FromReg) != MRI.getRegClass(ToReg))
173   return replaceDominatedUses(MBB, MI, FromReg, ToReg, MRI, MDT, LIS);