diff options
Diffstat (limited to 'include/llvm/Transforms/IPO/FunctionImport.h')
| -rw-r--r-- | include/llvm/Transforms/IPO/FunctionImport.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/llvm/Transforms/IPO/FunctionImport.h b/include/llvm/Transforms/IPO/FunctionImport.h index d7acbe883c5d..eaea092c9179 100644 --- a/include/llvm/Transforms/IPO/FunctionImport.h +++ b/include/llvm/Transforms/IPO/FunctionImport.h @@ -86,11 +86,15 @@ public: /// \p ExportLists contains for each Module the set of globals (GUID) that will /// be imported by another module, or referenced by such a function. I.e. this /// is the set of globals that need to be promoted/renamed appropriately. +/// +/// \p DeadSymbols (optional) contains a list of GUID that are deemed "dead" and +/// will be ignored for the purpose of importing. void ComputeCrossModuleImport( const ModuleSummaryIndex &Index, const StringMap<GVSummaryMapTy> &ModuleToDefinedGVSummaries, StringMap<FunctionImporter::ImportMapTy> &ImportLists, - StringMap<FunctionImporter::ExportSetTy> &ExportLists); + StringMap<FunctionImporter::ExportSetTy> &ExportLists, + const DenseSet<GlobalValue::GUID> *DeadSymbols = nullptr); /// Compute all the imports for the given module using the Index. /// @@ -100,6 +104,13 @@ void ComputeCrossModuleImportForModule( StringRef ModulePath, const ModuleSummaryIndex &Index, FunctionImporter::ImportMapTy &ImportList); +/// Compute all the symbols that are "dead": i.e these that can't be reached +/// in the graph from any of the given symbols listed in +/// \p GUIDPreservedSymbols. +DenseSet<GlobalValue::GUID> +computeDeadSymbols(const ModuleSummaryIndex &Index, + const DenseSet<GlobalValue::GUID> &GUIDPreservedSymbols); + /// Compute the set of summaries needed for a ThinLTO backend compilation of /// \p ModulePath. // |