162                                                           DomTreeUpdater *DTU) {  in tailMergeBlocksWithSimilarFunctionTerminators()  argument
168     if (DTU && DTU->isBBPendingDeletion(&BB))  in tailMergeBlocksWithSimilarFunctionTerminators()
217     Changed |= performBlockTailMerging(F, BBs, DTU ? &Updates : nullptr);  in tailMergeBlocksWithSimilarFunctionTerminators()
219   if (DTU)  in tailMergeBlocksWithSimilarFunctionTerminators()
220     DTU->applyUpdates(Updates);  in tailMergeBlocksWithSimilarFunctionTerminators()
228                                    DomTreeUpdater *DTU,  in iterativelySimplifyCFG()  argument
251       if (DTU) {  in iterativelySimplifyCFG()
253             !DTU->isBBPendingDeletion(&BB) &&  in iterativelySimplifyCFG()
257         while (BBIt != F.end() && DTU->isBBPendingDeletion(&*BBIt))  in iterativelySimplifyCFG()
260       if (simplifyCFG(&BB, TTI, DTU, Options, LoopHeaders)) {  in iterativelySimplifyCFG()
273   DomTreeUpdater DTU(DT, DomTreeUpdater::UpdateStrategy::Eager);  in simplifyFunctionCFGImpl()  local
275   bool EverChanged = removeUnreachableBlocks(F, DT ? &DTU : nullptr);  in simplifyFunctionCFGImpl()
277       tailMergeBlocksWithSimilarFunctionTerminators(F, DT ? &DTU : nullptr);  in simplifyFunctionCFGImpl()
278   EverChanged |= iterativelySimplifyCFG(F, TTI, DT ? &DTU : nullptr, Options);  in simplifyFunctionCFGImpl()
288   if (!removeUnreachableBlocks(F, DT ? &DTU : nullptr))  in simplifyFunctionCFGImpl()
292     EverChanged = iterativelySimplifyCFG(F, TTI, DT ? &DTU : nullptr, Options);  in simplifyFunctionCFGImpl()
293     EverChanged |= removeUnreachableBlocks(F, DT ? &DTU : nullptr);  in simplifyFunctionCFGImpl()