756     VNInfo *VNI = li->getVNInfoAt(Idx);  in shrinkToUses()  local
757     if (!VNI) {  in shrinkToUses()
766     if (VNI->def == Idx) {  in shrinkToUses()
770       VNI = li->getVNInfoAt(Idx);  in shrinkToUses()
771       assert(VNI && "Early-clobber tied value not available");  in shrinkToUses()
773     WorkList.push_back(std::make_pair(Idx, VNI));  in shrinkToUses()
780     VNInfo *VNI = *I;  in shrinkToUses()  local
781     if (VNI->isUnused())  in shrinkToUses()
784     VNI->setHasPHIKill(false);  in shrinkToUses()
785     NewLI.addRange(LiveRange(VNI->def, VNI->def.getNextSlot(), VNI));  in shrinkToUses()
790     if (VNI->def.isUse())  in shrinkToUses()
791       if (VNInfo *UVNI = li->getVNInfoAt(VNI->def.getLoadIndex()))  in shrinkToUses()
792         WorkList.push_back(std::make_pair(VNI->def.getLoadIndex(), UVNI));  in shrinkToUses()
801     VNInfo *VNI = WorkList.back().second;  in shrinkToUses()  local
809       assert(ExtVNI == VNI && "Unexpected existing value number");  in shrinkToUses()
811       if (!VNI->isPHIDef() || VNI->def != BlockStart || !UsedPHIs.insert(VNI))  in shrinkToUses()
829     NewLI.addRange(LiveRange(BlockStart, Idx.getNextSlot(), VNI));  in shrinkToUses()
835       assert(li->getVNInfoAt(Stop) == VNI && "Wrong value out of predecessor");  in shrinkToUses()
836       WorkList.push_back(std::make_pair(Stop, VNI));  in shrinkToUses()
844     VNInfo *VNI = *I;  in shrinkToUses()  local
845     if (VNI->isUnused())  in shrinkToUses()
847     LiveInterval::iterator LII = NewLI.FindLiveRangeContaining(VNI->def);  in shrinkToUses()
849     if (LII->end != VNI->def.getNextSlot())  in shrinkToUses()
851     if (VNI->isPHIDef()) {  in shrinkToUses()
853       VNI->setIsUnused(true);  in shrinkToUses()
855       DEBUG(dbgs() << "Dead PHI at " << VNI->def << " may separate interval\n");  in shrinkToUses()
859       MachineInstr *MI = getInstructionFromIndex(VNI->def);  in shrinkToUses()
863         DEBUG(dbgs() << "All defs dead: " << VNI->def << '\t' << *MI);  in shrinkToUses()
1018     const VNInfo *VNI = *i;  in isReMaterializable()  local
1019     if (VNI->isUnused())  in isReMaterializable()
1022     MachineInstr *ReMatDefMI = getInstructionFromIndex(VNI->def);  in isReMaterializable()
1027         !isReMaterializable(li, VNI, ReMatDefMI, SpillIs, DefIsLoad))  in isReMaterializable()
1181 rewriteInstructionForSpills(const LiveInterval &li, const VNInfo *VNI,  in rewriteInstructionForSpills()  argument
1310         if (ReMatIds[VNI->id] == VirtRegMap::MAX_STACK_SLOT) {  in rewriteInstructionForSpills()
1312           ReMatIds[VNI->id] = vrm.assignVirtReMatId(NewVReg);  in rewriteInstructionForSpills()
1314           vrm.assignVirtReMatId(NewVReg, ReMatIds[VNI->id]);  in rewriteInstructionForSpills()
1382                                    const VNInfo *VNI,  in anyKillInMBBAfterIdx()  argument
1560           const VNInfo *VNI = li.findDefinedVNInfoForRegInt(index.getDefIndex());  in rewriteInstructionsForSpills()  local
1561           if (VNI)  in rewriteInstructionsForSpills()
1562             HasKill = anyKillInMBBAfterIdx(li, VNI, MBB, index.getDefIndex());  in rewriteInstructionsForSpills()
1814     const VNInfo *VNI = *i;  in addIntervalsForSpills()  local
1815     unsigned VN = VNI->id;  in addIntervalsForSpills()
1816     if (VNI->isUnused())  in addIntervalsForSpills()
1819     MachineInstr *ReMatDefMI = getInstructionFromIndex(VNI->def);  in addIntervalsForSpills()
1821     if (ReMatDefMI && isReMaterializable(li, VNI, ReMatDefMI, SpillIs, dummy)) {  in addIntervalsForSpills()
1830       if (VNI->hasPHIKill()) {  in addIntervalsForSpills()