770     VNInfo *VNI = li->getVNInfoAt(Idx);  in shrinkToUses()  local
771     if (!VNI) {  in shrinkToUses()
780     if (VNI->def == Idx) {  in shrinkToUses()
784       VNI = li->getVNInfoAt(Idx);  in shrinkToUses()
785       assert(VNI && "Early-clobber tied value not available");  in shrinkToUses()
787     WorkList.push_back(std::make_pair(Idx, VNI));  in shrinkToUses()
794     VNInfo *VNI = *I;  in shrinkToUses()  local
795     if (VNI->isUnused())  in shrinkToUses()
797     NewLI.addRange(LiveRange(VNI->def, VNI->def.getNextSlot(), VNI));  in shrinkToUses()
802     if (VNI->def.isUse())  in shrinkToUses()
803       if (VNInfo *UVNI = li->getVNInfoAt(VNI->def.getLoadIndex()))  in shrinkToUses()
804         WorkList.push_back(std::make_pair(VNI->def.getLoadIndex(), UVNI));  in shrinkToUses()
813     VNInfo *VNI = WorkList.back().second;  in shrinkToUses()  local
821       assert(ExtVNI == VNI && "Unexpected existing value number");  in shrinkToUses()
823       if (!VNI->isPHIDef() || VNI->def != BlockStart || !UsedPHIs.insert(VNI))  in shrinkToUses()
840     NewLI.addRange(LiveRange(BlockStart, Idx.getNextSlot(), VNI));  in shrinkToUses()
848       assert(li->getVNInfoAt(Stop) == VNI && "Wrong value out of predecessor");  in shrinkToUses()
849       WorkList.push_back(std::make_pair(Stop, VNI));  in shrinkToUses()
857     VNInfo *VNI = *I;  in shrinkToUses()  local
858     if (VNI->isUnused())  in shrinkToUses()
860     LiveInterval::iterator LII = NewLI.FindLiveRangeContaining(VNI->def);  in shrinkToUses()
862     if (LII->end != VNI->def.getNextSlot())  in shrinkToUses()
864     if (VNI->isPHIDef()) {  in shrinkToUses()
866       VNI->setIsUnused(true);  in shrinkToUses()
868       DEBUG(dbgs() << "Dead PHI at " << VNI->def << " may separate interval\n");  in shrinkToUses()
872       MachineInstr *MI = getInstructionFromIndex(VNI->def);  in shrinkToUses()
876         DEBUG(dbgs() << "All defs dead: " << VNI->def << '\t' << *MI);  in shrinkToUses()
1031     const VNInfo *VNI = *i;  in isReMaterializable()  local
1032     if (VNI->isUnused())  in isReMaterializable()
1035     MachineInstr *ReMatDefMI = getInstructionFromIndex(VNI->def);  in isReMaterializable()
1040         !isReMaterializable(li, VNI, ReMatDefMI, SpillIs, DefIsLoad))  in isReMaterializable()
1194 rewriteInstructionForSpills(const LiveInterval &li, const VNInfo *VNI,  in rewriteInstructionForSpills()  argument
1323         if (ReMatIds[VNI->id] == VirtRegMap::MAX_STACK_SLOT) {  in rewriteInstructionForSpills()
1325           ReMatIds[VNI->id] = vrm.assignVirtReMatId(NewVReg);  in rewriteInstructionForSpills()
1327           vrm.assignVirtReMatId(NewVReg, ReMatIds[VNI->id]);  in rewriteInstructionForSpills()
1395                                    const VNInfo *VNI,  in anyKillInMBBAfterIdx()  argument
1573           const VNInfo *VNI = li.findDefinedVNInfoForRegInt(index.getDefIndex());  in rewriteInstructionsForSpills()  local
1574           if (VNI)  in rewriteInstructionsForSpills()
1575             HasKill = anyKillInMBBAfterIdx(li, VNI, MBB, index.getDefIndex());  in rewriteInstructionsForSpills()
1827     const VNInfo *VNI = *i;  in addIntervalsForSpills()  local
1828     unsigned VN = VNI->id;  in addIntervalsForSpills()
1829     if (VNI->isUnused())  in addIntervalsForSpills()
1832     MachineInstr *ReMatDefMI = getInstructionFromIndex(VNI->def);  in addIntervalsForSpills()
1834     if (ReMatDefMI && isReMaterializable(li, VNI, ReMatDefMI, SpillIs, dummy)) {  in addIntervalsForSpills()
1843       if (VNI->hasPHIKill()) {  in addIntervalsForSpills()