diff options
Diffstat (limited to 'llvm/lib/Analysis/ModuleSummaryAnalysis.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ModuleSummaryAnalysis.cpp | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/llvm/lib/Analysis/ModuleSummaryAnalysis.cpp b/llvm/lib/Analysis/ModuleSummaryAnalysis.cpp index f364d89..c52b27a 100644 --- a/llvm/lib/Analysis/ModuleSummaryAnalysis.cpp +++ b/llvm/lib/Analysis/ModuleSummaryAnalysis.cpp @@ -646,15 +646,18 @@ static void computeVariableSummary(ModuleSummaryIndex &Index, Index.addGlobalValueSummary(V, std::move(GVarSummary)); } -static void -computeAliasSummary(ModuleSummaryIndex &Index, const GlobalAlias &A, - DenseSet<GlobalValue::GUID> &CantBePromoted) { +static void computeAliasSummary(ModuleSummaryIndex &Index, const GlobalAlias &A, + DenseSet<GlobalValue::GUID> &CantBePromoted) { + // Skip summary for indirect function aliases as summary for aliasee will not + // be emitted. + const GlobalObject *Aliasee = A.getAliaseeObject(); + if (isa<GlobalIFunc>(Aliasee)) + return; bool NonRenamableLocal = isNonRenamableLocal(A); GlobalValueSummary::GVFlags Flags( A.getLinkage(), A.getVisibility(), NonRenamableLocal, /* Live = */ false, A.isDSOLocal(), A.canBeOmittedFromSymbolTable()); auto AS = std::make_unique<AliasSummary>(Flags); - auto *Aliasee = A.getAliaseeObject(); auto AliaseeVI = Index.getValueInfo(Aliasee->getGUID()); assert(AliaseeVI && "Alias expects aliasee summary to be available"); assert(AliaseeVI.getSummaryList().size() == 1 && @@ -811,6 +814,13 @@ ModuleSummaryIndex llvm::buildModuleSummaryIndex( for (const GlobalAlias &A : M.aliases()) computeAliasSummary(Index, A, CantBePromoted); + // Iterate through ifuncs, set their resolvers all alive. + for (const GlobalIFunc &I : M.ifuncs()) { + I.applyAlongResolverPath([&Index](const GlobalValue &GV) { + Index.getGlobalValueSummary(GV)->setLive(true); + }); + } + for (auto *V : LocalsUsed) { auto *Summary = Index.getGlobalValueSummary(*V); assert(Summary && "Missing summary for global value"); |