static void computeAliasSummary(ModuleSummaryIndex &Index, const GlobalAlias &A, DenseSet<GlobalValue::GUID> &CantBePromoted) { bool NonRenamableLocal = isNonRenamableLocal(A); GlobalValueSummary::GVFlags Flags(A.getLinkage(), NonRenamableLocal, /* LiveRoot = */ false); auto AS = llvm::make_unique<AliasSummary>(Flags, ArrayRef<ValueInfo>{}); auto *Aliasee = A.getBaseObject(); auto *AliaseeSummary = Index.getGlobalValueSummary(*Aliasee); assert(AliaseeSummary && "Alias expects aliasee summary to be parsed"); AS->setAliasee(AliaseeSummary); if (NonRenamableLocal) CantBePromoted.insert(A.getGUID()); Index.addGlobalValueSummary(A.getName(), std::move(AS)); }