145     Function &F = *I++;  in simplifyExternals()  local
146     if (F.isDeclaration() && F.use_empty()) {  in simplifyExternals()
147       F.eraseFromParent();  in simplifyExternals()
151     if (!F.isDeclaration() || F.getFunctionType() == EmptyFT ||  in simplifyExternals()
153         F.getName().startswith("llvm."))  in simplifyExternals()
158                          F.getAddressSpace(), "", &M);  in simplifyExternals()
159     NewF->setVisibility(F.getVisibility());  in simplifyExternals()
160     NewF->takeName(&F);  in simplifyExternals()
161     F.replaceAllUsesWith(ConstantExpr::getBitCast(NewF, F.getType()));  in simplifyExternals()
162     F.eraseFromParent();  in simplifyExternals()
188   if (auto *F = dyn_cast<Function>(C))  in forEachVirtualFunction()  local
189     return Fn(F);  in forEachVirtualFunction()
249       forEachVirtualFunction(GV.getInitializer(), [&](Function *F) {  in splitAndWriteThinLTOBitcode()  argument
250         auto *RT = dyn_cast<IntegerType>(F->getReturnType());  in splitAndWriteThinLTOBitcode()
251         if (!RT || RT->getBitWidth() > 64 || F->arg_empty() ||  in splitAndWriteThinLTOBitcode()
252             !F->arg_begin()->use_empty())  in splitAndWriteThinLTOBitcode()
254         for (auto &Arg : make_range(std::next(F->arg_begin()), F->arg_end())) {  in splitAndWriteThinLTOBitcode()
259         if (!F->isDeclaration() &&  in splitAndWriteThinLTOBitcode()
260             computeFunctionBodyMemoryAccess(*F, AARGetter(*F)) == MAK_ReadNone)  in splitAndWriteThinLTOBitcode()
261           EligibleVirtualFns.insert(F);  in splitAndWriteThinLTOBitcode()
271         if (auto *F = dyn_cast<Function>(GV))  in splitAndWriteThinLTOBitcode()  local
272           return EligibleVirtualFns.count(F);  in splitAndWriteThinLTOBitcode()
280   for (Function &F : *MergedM)  in splitAndWriteThinLTOBitcode()
281     if (!F.isDeclaration()) {  in splitAndWriteThinLTOBitcode()
285       F.setLinkage(GlobalValue::AvailableExternallyLinkage);  in splitAndWriteThinLTOBitcode()
286       F.setComdat(nullptr);  in splitAndWriteThinLTOBitcode()
290   for (auto &F : M)  in splitAndWriteThinLTOBitcode()  local
291     if ((!F.hasLocalLinkage() || F.hasAddressTaken()) && HasTypeMetadata(&F))  in splitAndWriteThinLTOBitcode()
292       CfiFunctions.insert(&F);  in splitAndWriteThinLTOBitcode()
312     Function &F = *cast<Function>(V);  in splitAndWriteThinLTOBitcode()  local
314     F.getMetadata(LLVMContext::MD_type, Types);  in splitAndWriteThinLTOBitcode()
317     Elts.push_back(MDString::get(Ctx, F.getName()));  in splitAndWriteThinLTOBitcode()
319     if (!F.isDeclarationForLinker())  in splitAndWriteThinLTOBitcode()
321     else if (F.isWeakForLinker())  in splitAndWriteThinLTOBitcode()
343     auto *F = cast<Function>(A.getAliasee());  in splitAndWriteThinLTOBitcode()  local
347         MDString::get(Ctx, F->getName()),  in splitAndWriteThinLTOBitcode()
365     Function *F = M.getFunction(Name);  in splitAndWriteThinLTOBitcode()  local
366     if (!F || F->use_empty())  in splitAndWriteThinLTOBitcode()
516                       [&FAM](Function &F) -> AAResults & {  in run()  argument
517                         return FAM.getResult<AAManager>(F);  in run()