diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/LTO/LTO.cpp | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/llvm/lib/LTO/LTO.cpp b/llvm/lib/LTO/LTO.cpp index a0f2767b566..e602c64337c 100644 --- a/llvm/lib/LTO/LTO.cpp +++ b/llvm/lib/LTO/LTO.cpp @@ -856,19 +856,6 @@ Error LTO::runThinLTO(AddStreamFn AddStream, NativeObjectCache Cache, if (!ModuleToDefinedGVSummaries.count(Mod.first)) ModuleToDefinedGVSummaries.try_emplace(Mod.first); - // Compute "dead" symbols, we don't want to import/export these! - DenseSet<GlobalValue::GUID> GUIDPreservedSymbols; - for (auto &Res : GlobalResolutions) { - if (Res.second.VisibleOutsideThinLTO && - // IRName will be defined if we have seen the prevailing copy of - // this value. If not, no need to preserve any ThinLTO copies. - !Res.second.IRName.empty()) - GUIDPreservedSymbols.insert(GlobalValue::getGUID(Res.second.IRName)); - } - - auto DeadSymbols = - computeDeadSymbols(ThinLTO.CombinedIndex, GUIDPreservedSymbols); - StringMap<FunctionImporter::ImportMapTy> ImportLists( ThinLTO.ModuleMap.size()); StringMap<FunctionImporter::ExportSetTy> ExportLists( @@ -876,6 +863,19 @@ Error LTO::runThinLTO(AddStreamFn AddStream, NativeObjectCache Cache, StringMap<std::map<GlobalValue::GUID, GlobalValue::LinkageTypes>> ResolvedODR; if (Conf.OptLevel > 0) { + // Compute "dead" symbols, we don't want to import/export these! + DenseSet<GlobalValue::GUID> GUIDPreservedSymbols; + for (auto &Res : GlobalResolutions) { + if (Res.second.VisibleOutsideThinLTO && + // IRName will be defined if we have seen the prevailing copy of + // this value. If not, no need to preserve any ThinLTO copies. + !Res.second.IRName.empty()) + GUIDPreservedSymbols.insert(GlobalValue::getGUID(Res.second.IRName)); + } + + auto DeadSymbols = + computeDeadSymbols(ThinLTO.CombinedIndex, GUIDPreservedSymbols); + ComputeCrossModuleImport(ThinLTO.CombinedIndex, ModuleToDefinedGVSummaries, ImportLists, ExportLists, &DeadSymbols); |
