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llvm/lib/LTO/LTO.cpp
| Show First 20 Lines • Show All 976 Lines • ▼ Show 20 Lines | if (OldGV) { | ||||
| OldGV->replaceAllUsesWith(ConstantExpr::getBitCast(GV, OldGV->getType())); | OldGV->replaceAllUsesWith(ConstantExpr::getBitCast(GV, OldGV->getType())); | ||||
| GV->takeName(OldGV); | GV->takeName(OldGV); | ||||
| OldGV->eraseFromParent(); | OldGV->eraseFromParent(); | ||||
| } else { | } else { | ||||
| GV->setName(I.first); | GV->setName(I.first); | ||||
| } | } | ||||
| } | } | ||||
| // If allowed, upgrade public vcall visibility metadata to linkage unit | |||||
| // visibility before whole program devirtualization in the optimizer. | |||||
| updateVCallVisibilityInModule(*RegularLTO.CombinedModule, | |||||
| Conf.HasWholeProgramVisibility); | |||||
| if (Conf.PreOptModuleHook && | if (Conf.PreOptModuleHook && | ||||
| !Conf.PreOptModuleHook(0, *RegularLTO.CombinedModule)) | !Conf.PreOptModuleHook(0, *RegularLTO.CombinedModule)) | ||||
| return Error::success(); | return Error::success(); | ||||
| if (!Conf.CodeGenOnly) { | if (!Conf.CodeGenOnly) { | ||||
| for (const auto &R : GlobalResolutions) { | for (const auto &R : GlobalResolutions) { | ||||
| if (!R.second.isPrevailingIRSymbol()) | if (!R.second.isPrevailingIRSymbol()) | ||||
| continue; | continue; | ||||
| ▲ Show 20 Lines • Show All 301 Lines • ▼ Show 20 Lines | StringMap<FunctionImporter::ExportSetTy> ExportLists( | ||||
| ThinLTO.ModuleMap.size()); | ThinLTO.ModuleMap.size()); | ||||
| StringMap<std::map<GlobalValue::GUID, GlobalValue::LinkageTypes>> ResolvedODR; | StringMap<std::map<GlobalValue::GUID, GlobalValue::LinkageTypes>> ResolvedODR; | ||||
| if (DumpThinCGSCCs) | if (DumpThinCGSCCs) | ||||
| ThinLTO.CombinedIndex.dumpSCCs(outs()); | ThinLTO.CombinedIndex.dumpSCCs(outs()); | ||||
| std::set<GlobalValue::GUID> ExportedGUIDs; | std::set<GlobalValue::GUID> ExportedGUIDs; | ||||
| // If allowed, upgrade public vcall visibility to linkage unit visibility in | |||||
| // the summaries before whole program devirtualization below. | |||||
| updateVCallVisibilityInIndex(ThinLTO.CombinedIndex, | |||||
| Conf.HasWholeProgramVisibility); | |||||
| // Perform index-based WPD. This will return immediately if there are | // Perform index-based WPD. This will return immediately if there are | ||||
| // no index entries in the typeIdMetadata map (e.g. if we are instead | // no index entries in the typeIdMetadata map (e.g. if we are instead | ||||
| // performing IR-based WPD in hybrid regular/thin LTO mode). | // performing IR-based WPD in hybrid regular/thin LTO mode). | ||||
| std::map<ValueInfo, std::vector<VTableSlotSummary>> LocalWPDTargetsMap; | std::map<ValueInfo, std::vector<VTableSlotSummary>> LocalWPDTargetsMap; | ||||
| runWholeProgramDevirtOnIndex(ThinLTO.CombinedIndex, ExportedGUIDs, | runWholeProgramDevirtOnIndex(ThinLTO.CombinedIndex, ExportedGUIDs, | ||||
| LocalWPDTargetsMap); | LocalWPDTargetsMap); | ||||
| if (Conf.OptLevel > 0) | if (Conf.OptLevel > 0) | ||||
| ▲ Show 20 Lines • Show All 109 Lines • Show Last 20 Lines | |||||