diff options
Diffstat (limited to 'llvm/lib/Transforms/IPO/FunctionImport.cpp')
| -rw-r--r-- | llvm/lib/Transforms/IPO/FunctionImport.cpp | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/llvm/lib/Transforms/IPO/FunctionImport.cpp b/llvm/lib/Transforms/IPO/FunctionImport.cpp index f15d8cff6d9..c9d075e7632 100644 --- a/llvm/lib/Transforms/IPO/FunctionImport.cpp +++ b/llvm/lib/Transforms/IPO/FunctionImport.cpp @@ -58,6 +58,16 @@ static cl::opt<bool> DontForceImportReferencedDiscardableSymbols("disable-force-link-odr", cl::init(false), cl::Hidden); +static cl::opt<bool> EnableImportMetadata( + "enable-import-metadata", cl::init( +#if !defined(NDEBUG) + true /*Enabled with asserts.*/ +#else + false +#endif + ), + cl::Hidden, cl::desc("Enable import metadata like 'thinlto_src_module'")); + // Load lazily a module from \p FileName in \p Context. static std::unique_ptr<Module> loadFile(const std::string &FileName, LLVMContext &Context) { @@ -591,12 +601,15 @@ bool FunctionImporter::importFunctions( << SrcModule->getSourceFileName() << "\n"); if (Import) { F.materialize(); - // Add 'thinlto_src_module' metadata for statistics and debugging. - F.setMetadata("thinlto_src_module", - llvm::MDNode::get(DestModule.getContext(), - {llvm::MDString::get( - DestModule.getContext(), - SrcModule->getSourceFileName())})); + if (EnableImportMetadata) { + // Add 'thinlto_src_module' metadata for statistics and debugging. + F.setMetadata( + "thinlto_src_module", + llvm::MDNode::get( + DestModule.getContext(), + {llvm::MDString::get(DestModule.getContext(), + SrcModule->getSourceFileName())})); + } GlobalsToImport.insert(&F); } } |
