485   auto *Preheader = L->getLoopPreheader();  in deleteDeadLoop()  local
486   assert(Preheader && "Preheader should exist!");  in deleteDeadLoop()
506   Instruction *OldTerm = Preheader->getTerminator();  in deleteDeadLoop()
555       P.setIncomingBlock(PredIndex, Preheader);  in deleteDeadLoop()
563               P.getIncomingBlock(PredIndex) == Preheader) &&  in deleteDeadLoop()
568       DTU.applyUpdates({{DominatorTree::Insert, Preheader, ExitBlock}});  in deleteDeadLoop()
570         MSSAU->applyUpdates({{DominatorTree::Insert, Preheader, ExitBlock}},  in deleteDeadLoop()
578     Builder.SetInsertPoint(Preheader->getTerminator());  in deleteDeadLoop()
581     Preheader->getTerminator()->eraseFromParent();  in deleteDeadLoop()
588     Preheader->getTerminator()->eraseFromParent();  in deleteDeadLoop()
592     DTU.applyUpdates({{DominatorTree::Delete, Preheader, L->getHeader()}});  in deleteDeadLoop()
594       MSSAU->applyUpdates({{DominatorTree::Delete, Preheader, L->getHeader()}},  in deleteDeadLoop()
1280   BasicBlock *Preheader = L->getLoopPreheader();  in canLoopBeDeleted()  local
1282   if (!Preheader)  in canLoopBeDeleted()