472   auto *Preheader = L->getLoopPreheader();  in deleteDeadLoop()  local
473   assert(Preheader && "Preheader should exist!");  in deleteDeadLoop()
491   Instruction *OldTerm = Preheader->getTerminator();  in deleteDeadLoop()
540       P.setIncomingBlock(PredIndex, Preheader);  in deleteDeadLoop()
552               P.getIncomingBlock(PredIndex) == Preheader) &&  in deleteDeadLoop()
557       DTU.applyUpdates({{DominatorTree::Insert, Preheader, ExitBlock}});  in deleteDeadLoop()
559         MSSAU->applyUpdates({{DominatorTree::Insert, Preheader, ExitBlock}},  in deleteDeadLoop()
567     Builder.SetInsertPoint(Preheader->getTerminator());  in deleteDeadLoop()
570     Preheader->getTerminator()->eraseFromParent();  in deleteDeadLoop()
577     Preheader->getTerminator()->eraseFromParent();  in deleteDeadLoop()
581     DTU.applyUpdates({{DominatorTree::Delete, Preheader, L->getHeader()}});  in deleteDeadLoop()
583       MSSAU->applyUpdates({{DominatorTree::Delete, Preheader, L->getHeader()}},  in deleteDeadLoop()
1196   BasicBlock *Preheader = L->getLoopPreheader();  in canLoopBeDeleted()  local
1198   if (!Preheader)  in canLoopBeDeleted()