259     bool hasOtherReachingDefs(LiveInterval &IntA, LiveInterval &IntB,
593   LiveInterval &IntB =  in adjustCopiesBackFrom()  local
613   LiveInterval::iterator BS = IntB.FindSegmentContaining(CopyIdx);  in adjustCopiesBackFrom()
614   if (BS == IntB.end()) return false;  in adjustCopiesBackFrom()
638     IntB.FindSegmentContaining(AValNo->def.getPrevSlot());  in adjustCopiesBackFrom()
639   if (ValS == IntB.end())  in adjustCopiesBackFrom()
654   LLVM_DEBUG(dbgs() << "Extending: " << printReg(IntB.reg(), TRI));  in adjustCopiesBackFrom()
665   IntB.addSegment(LiveInterval::Segment(FillerStart, FillerEnd, BValNo));  in adjustCopiesBackFrom()
669     IntB.MergeValueNumberInto(BValNo, ValS->valno);  in adjustCopiesBackFrom()
672   for (LiveInterval::SubRange &S : IntB.subranges()) {  in adjustCopiesBackFrom()
693   LLVM_DEBUG(dbgs() << "   result = " << IntB << '\n');  in adjustCopiesBackFrom()
697   int UIdx = ValSEndInst->findRegisterUseOperandIdx(IntB.reg(), true);  in adjustCopiesBackFrom()
703   CopyMI->substituteRegister(IntA.reg(), IntB.reg(), 0, *TRI);  in adjustCopiesBackFrom()
724                                              LiveInterval &IntB,  in hasOtherReachingDefs()  argument
734     LiveInterval::iterator BI = llvm::upper_bound(IntB, ASeg.start);  in hasOtherReachingDefs()
735     if (BI != IntB.begin())  in hasOtherReachingDefs()
737     for (; BI != IntB.end() && ASeg.end >= BI->start; ++BI) {  in hasOtherReachingDefs()
781   LiveInterval &IntB =  in removeCopyByCommutingDef()  local
807   VNInfo *BValNo = IntB.getVNInfoAt(CopyIdx);  in removeCopyByCommutingDef()
843   if (NewReg != IntB.reg() || !IntB.Query(AValNo->def).isKill())  in removeCopyByCommutingDef()
848   if (hasOtherReachingDefs(IntA, IntB, AValNo, BValNo))  in removeCopyByCommutingDef()
876       Register::isVirtualRegister(IntB.reg()) &&  in removeCopyByCommutingDef()
877       !MRI->constrainRegClass(IntB.reg(), MRI->getRegClass(IntA.reg())))  in removeCopyByCommutingDef()
926     if (UseMI->getOperand(0).getReg() != IntB.reg() ||  in removeCopyByCommutingDef()
933     VNInfo *DVNI = IntB.getVNInfoAt(DefIdx);  in removeCopyByCommutingDef()
938     BValNo = IntB.MergeValueNumberInto(DVNI, BValNo);  in removeCopyByCommutingDef()
939     for (LiveInterval::SubRange &S : IntB.subranges()) {  in removeCopyByCommutingDef()
955   if (IntA.hasSubRanges() || IntB.hasSubRanges()) {  in removeCopyByCommutingDef()
959     } else if (!IntB.hasSubRanges()) {  in removeCopyByCommutingDef()
960       LaneBitmask Mask = MRI->getMaxLaneMaskForVReg(IntB.reg());  in removeCopyByCommutingDef()
961       IntB.createSubRangeFrom(Allocator, Mask, IntB);  in removeCopyByCommutingDef()
978       IntB.refineSubRanges(  in removeCopyByCommutingDef()
995     for (LiveInterval::SubRange &SB : IntB.subranges()) {  in removeCopyByCommutingDef()
1005   auto P = addSegmentsWithValNo(IntB, BValNo, IntA, AValNo);  in removeCopyByCommutingDef()
1007   LLVM_DEBUG(dbgs() << "\t\textended: " << IntB << '\n');  in removeCopyByCommutingDef()
1080   LiveInterval &IntB =  in removePartialRedundancy()  local
1091   if (IntB.overlaps(LIS->getMBBStartIdx(&MBB), CopyIdx))  in removePartialRedundancy()
1107         DefMI->getOperand(1).getReg() != IntB.reg() ||  in removePartialRedundancy()
1116     for (auto VNI : IntB.valnos) {  in removePartialRedundancy()
1155       if (IntB.overlaps(InsPosIdx, LIS->getMBBEndIdx(CopyLeftBB)))  in removePartialRedundancy()
1164                                       TII->get(TargetOpcode::COPY), IntB.reg())  in removePartialRedundancy()
1168     IntB.createDeadDef(NewCopyIdx, LIS->getVNInfoAllocator());  in removePartialRedundancy()
1169     for (LiveInterval::SubRange &SR : IntB.subranges())  in removePartialRedundancy()
1190   VNInfo *BValNo = IntB.Query(CopyIdx).valueOutOrDead();  in removePartialRedundancy()
1191   LIS->pruneValue(*static_cast<LiveRange *>(&IntB), CopyIdx.getRegSlot(),  in removePartialRedundancy()
1195   LIS->extendToIndices(IntB, EndPoints);  in removePartialRedundancy()
1198   for (LiveInterval::SubRange &SR : IntB.subranges()) {  in removePartialRedundancy()
1219     IntB.computeSubRangeUndefs(Undefs, SR.LaneMask, *MRI,  in removePartialRedundancy()
1224   shrinkToUses(&IntB);  in removePartialRedundancy()