Lines Matching defs:FromReg

124   bool isRevCopyChain(Register FromReg, Register ToReg, int Maxlen);
312 /// Check if there is a reversed copy chain from FromReg to ToReg:
314 /// %FromReg = copy %Tmp1;
315 /// %ToReg = add %FromReg ...
319 bool TwoAddressInstructionImpl::isRevCopyChain(Register FromReg, Register ToReg,
321   Register TmpReg = FromReg;
857       unsigned FromReg = VirtRegPairs.pop_back_val();
858       bool isNew = DstRegMap.insert(std::make_pair(FromReg, ToReg)).second;
860         assert(DstRegMap[FromReg] == ToReg &&"Can't map to two dst registers!");
861       ToReg = FromReg;