175   MachineInstr* ToErase = nullptr;  in eliminateZExtSeq()  local
181       if (ToErase) {  in eliminateZExtSeq()
182         ToErase->eraseFromParent();  in eliminateZExtSeq()
183         ToErase = nullptr;  in eliminateZExtSeq()
232         ToErase = &MI;  in eliminateZExtSeq()
243   MachineInstr* ToErase = nullptr;  in eliminateZExt()  local
249       if (ToErase) {  in eliminateZExt()
250         ToErase->eraseFromParent();  in eliminateZExt()
251         ToErase = nullptr;  in eliminateZExt()
279       ToErase = &MI;  in eliminateZExt()
337   MachineInstr* ToErase = nullptr;  in eliminateRedundantMov()  local
343       if (ToErase) {  in eliminateRedundantMov()
345         LLVM_DEBUG(ToErase->dump());  in eliminateRedundantMov()
346         ToErase->eraseFromParent();  in eliminateRedundantMov()
347         ToErase = nullptr;  in eliminateRedundantMov()
367         ToErase = &MI;  in eliminateRedundantMov()
455   MachineInstr* ToErase = nullptr;  in eliminateTruncSeq()  local
467       if (ToErase) {  in eliminateTruncSeq()
468         ToErase->eraseFromParent();  in eliminateTruncSeq()
469         ToErase = nullptr;  in eliminateTruncSeq()
544       ToErase = &MI;  in eliminateTruncSeq()