271                                     DominatorTree *DT,  in simplifyFunctionCFGImpl()  argument
273   DomTreeUpdater DTU(DT, DomTreeUpdater::UpdateStrategy::Eager);  in simplifyFunctionCFGImpl()
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()
300                                 DominatorTree *DT,  in simplifyFunctionCFG()  argument
303           (DT && DT->verify(DominatorTree::VerificationLevel::Full))) &&  in simplifyFunctionCFG()
306   bool Changed = simplifyFunctionCFGImpl(F, TTI, DT, Options);  in simplifyFunctionCFG()
309           (DT && DT->verify(DominatorTree::VerificationLevel::Full))) &&  in simplifyFunctionCFG()
369   DominatorTree *DT = nullptr;  in run()  local
371     DT = &AM.getResult<DominatorTreeAnalysis>(F);  in run()
372   if (!simplifyFunctionCFG(F, TTI, DT, Options))  in run()
401     DominatorTree *DT = nullptr;  in runOnFunction()  local
403       DT = &getAnalysis<DominatorTreeWrapperPass>().getDomTree();  in runOnFunction()
406     return simplifyFunctionCFG(F, TTI, DT, Options);  in runOnFunction()