147     typedef SmallDenseMap<TargetInstrInfo::RegSubRegPair, ValueTrackerResult>
218     SmallVector<TargetInstrInfo::RegSubRegPair, 2> RegSrcs;
240       RegSrcs.push_back(TargetInstrInfo::RegSubRegPair(SrcReg, SrcSubReg));  in addSource()
245       RegSrcs[Idx] = TargetInstrInfo::RegSubRegPair(SrcReg, SrcSubReg);  in setSource()
626   SmallVector<TargetInstrInfo::RegSubRegPair, 4> SrcToLook;  in findNextSource()
627   TargetInstrInfo::RegSubRegPair CurSrcPair(Reg, SubReg);  in findNextSource()
632     TargetInstrInfo::RegSubRegPair Pair = SrcToLook.pop_back_val();  in findNextSource()
670           SrcToLook.push_back(TargetInstrInfo::RegSubRegPair(  in findNextSource()
715           const SmallVectorImpl<TargetInstrInfo::RegSubRegPair> &SrcRegs,  in insertPHI()
818   TargetInstrInfo::RegSubRegPair
820                TargetInstrInfo::RegSubRegPair Def,  in getNewSource()
824     TargetInstrInfo::RegSubRegPair LookupSrc(Def.Reg, Def.SubReg);  in getNewSource()
845       SmallVector<TargetInstrInfo::RegSubRegPair, 4> NewPHISrcs;  in getNewSource()
847         TargetInstrInfo::RegSubRegPair PHISrc(Res.getSrcReg(i),  in getNewSource()
860       return TargetInstrInfo::RegSubRegPair(MODef.getReg(), MODef.getSubReg());  in getNewSource()
864     return TargetInstrInfo::RegSubRegPair(0, 0);  in getNewSource()
873   RewriteSource(TargetInstrInfo::RegSubRegPair Def,  in RewriteSource()
928   RewriteSource(TargetInstrInfo::RegSubRegPair Def,  in RewriteSource()
934     TargetInstrInfo::RegSubRegPair NewSrc =  in RewriteSource()
1212     TargetInstrInfo::RegSubRegPair TrackPair(TrackReg, TrackSubReg);  in optimizeCoalescableCopy()
1213     TargetInstrInfo::RegSubRegPair NewSrc = CpyRewriter->getNewSource(  in optimizeCoalescableCopy()
1250   SmallVector<TargetInstrInfo::RegSubRegPair, 4> RewritePairs;  in optimizeUncoalescableCopy()
1271     TargetInstrInfo::RegSubRegPair Def(CopyDefReg, CopyDefSubReg);  in optimizeUncoalescableCopy()
1779   TargetInstrInfo::RegSubRegPair BaseReg;  in getNextSourceFromInsertSubreg()