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()
627   SmallVector<TargetInstrInfo::RegSubRegPair, 4> SrcToLook;  in findNextSource()
628   TargetInstrInfo::RegSubRegPair CurSrcPair(Reg, SubReg);  in findNextSource()
633     TargetInstrInfo::RegSubRegPair Pair = SrcToLook.pop_back_val();  in findNextSource()
671           SrcToLook.push_back(TargetInstrInfo::RegSubRegPair(  in findNextSource()
716           const SmallVectorImpl<TargetInstrInfo::RegSubRegPair> &SrcRegs,  in insertPHI()
819   TargetInstrInfo::RegSubRegPair
821                TargetInstrInfo::RegSubRegPair Def,  in getNewSource()
825     TargetInstrInfo::RegSubRegPair LookupSrc(Def.Reg, Def.SubReg);  in getNewSource()
846       SmallVector<TargetInstrInfo::RegSubRegPair, 4> NewPHISrcs;  in getNewSource()
848         TargetInstrInfo::RegSubRegPair PHISrc(Res.getSrcReg(i),  in getNewSource()
861       return TargetInstrInfo::RegSubRegPair(MODef.getReg(), MODef.getSubReg());  in getNewSource()
865     return TargetInstrInfo::RegSubRegPair(0, 0);  in getNewSource()
874   RewriteSource(TargetInstrInfo::RegSubRegPair Def,  in RewriteSource()
929   RewriteSource(TargetInstrInfo::RegSubRegPair Def,  in RewriteSource()
935     TargetInstrInfo::RegSubRegPair NewSrc =  in RewriteSource()
1213     TargetInstrInfo::RegSubRegPair TrackPair(TrackReg, TrackSubReg);  in optimizeCoalescableCopy()
1214     TargetInstrInfo::RegSubRegPair NewSrc = CpyRewriter->getNewSource(  in optimizeCoalescableCopy()
1251   SmallVector<TargetInstrInfo::RegSubRegPair, 4> RewritePairs;  in optimizeUncoalescableCopy()
1272     TargetInstrInfo::RegSubRegPair Def(CopyDefReg, CopyDefSubReg);  in optimizeUncoalescableCopy()
1786   TargetInstrInfo::RegSubRegPair BaseReg;  in getNextSourceFromInsertSubreg()