125     SmallPtrSet<MachineBasicBlock*, 4> Visited;
293         SmallPtrSet<MachineInstr *, 2> Defs;  in hasImplicitlyValidVPT()
380     SmallPtrSet<MachineInstr *, 4> ToRemove;
381     SmallPtrSet<MachineInstr *, 4> BlockMasksToRecompute;
382     SmallPtrSet<MachineInstr *, 4> DoubleWidthResultInstrs;
383     SmallPtrSet<MachineInstr *, 4> VMOVCopies;
547     SmallPtrSet<MachineBasicBlock*, 2> BasicBlocks;  in INITIALIZE_PASS()
552     std::map<MachineInstr *, SmallPtrSet<MachineInstr *, 2>> ITBlocks;  in INITIALIZE_PASS()
564     SmallPtrSet<MachineInstr *, 2> ModifiedITs;  in INITIALIZE_PASS()
565     SmallPtrSet<MachineInstr *, 2> RemoveITs;  in INITIALIZE_PASS()
584   SmallPtrSet<MachineInstr *, 2> Uses;  in INITIALIZE_PASS()
595     SmallPtrSet<MachineInstr*, 4> Killed;  in INITIALIZE_PASS()
767     SmallPtrSet<MachineInstr*, 2> ElementChain;  in ValidateTailPredicate()
768     SmallPtrSet<MachineInstr*, 2> Ignore;  in ValidateTailPredicate()
806       SmallPtrSet<MachineInstr*, 2> Ignore;  in ValidateTailPredicate()
911     SmallPtrSet<MachineInstr *, 2> Defs;  in producesFalseLanesZero()
951   SmallPtrSet<MachineInstr *, 4> FalseLanesZero;  in ValidateLiveOuts()
952   SmallPtrSet<MachineInstr *, 4> Predicated;  in ValidateLiveOuts()
995     SmallPtrSet<MachineInstr *, 2> Uses;  in ValidateLiveOuts()
1010   SmallPtrSet<MachineInstr*, 2> NonPredicated;  in ValidateLiveOuts()
1027   SmallPtrSet<MachineInstr *, 2> LiveOutMIs;  in ValidateLiveOuts()
1182   SmallPtrSet<MachineBasicBlock *, 4> Visited{MI->getParent()};  in ValidateMVEStore()
1411     SmallPtrSet<MachineInstr *, 2> Uses;  in ProcessLoop()
1444   SmallPtrSet<MachineInstr*, 1> Ignore;  in RevertLoopDec()
1537   SmallPtrSet<MachineInstr*, 4> Killed  = { LoLoop.Start, LoLoop.Dec,  in IterationCountDCE()
1754   auto ExpandVMOVCopies = [this](SmallPtrSet<MachineInstr *, 4> &VMOVCopies) {  in Expand()