178   MachineInstr* ToErase = nullptr;  in eliminateZExtSeq()  local
184       if (ToErase) {  in eliminateZExtSeq()
185         ToErase->eraseFromParent();  in eliminateZExtSeq()
186         ToErase = nullptr;  in eliminateZExtSeq()
235         ToErase = &MI;  in eliminateZExtSeq()
246   MachineInstr* ToErase = nullptr;  in eliminateZExt()  local
252       if (ToErase) {  in eliminateZExt()
253         ToErase->eraseFromParent();  in eliminateZExt()
254         ToErase = nullptr;  in eliminateZExt()
282       ToErase = &MI;  in eliminateZExt()
350   MachineInstr* ToErase = nullptr;  in eliminateRedundantMov()  local
356       if (ToErase) {  in eliminateRedundantMov()
358         LLVM_DEBUG(ToErase->dump());  in eliminateRedundantMov()
359         ToErase->eraseFromParent();  in eliminateRedundantMov()
360         ToErase = nullptr;  in eliminateRedundantMov()
380         ToErase = &MI;  in eliminateRedundantMov()