diff options
Diffstat (limited to 'tools')
-rw-r--r-- | tools/lto/lto.cpp | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/tools/lto/lto.cpp b/tools/lto/lto.cpp index e49364e..96b449e 100644 --- a/tools/lto/lto.cpp +++ b/tools/lto/lto.cpp @@ -99,6 +99,23 @@ findExternalRefs(Value *value, std::set<std::string> &references, findExternalRefs(c->getOperand(i), references, mangler); } +/// InputFilename is a LLVM bytecode file. If Module with InputFilename is +/// available then return it. Otherwise parseInputFilename. +Module * +LinkTimeOptimizer::getModule(const std::string &InputFilename) +{ + Module *m = NULL; + + NameToModuleMap::iterator pos = allModules.find(InputFilename.c_str()); + if (pos != allModules.end()) + m = allModules[InputFilename.c_str()]; + else { + m = ParseBytecodeFile(InputFilename); + allModules[InputFilename.c_str()] = m; + } + return m; +} + /// InputFilename is a LLVM bytecode file. Read it using bytecode reader. /// Collect global functions and symbol names in symbols vector. /// Collect external references in references vector. @@ -108,7 +125,7 @@ LinkTimeOptimizer::readLLVMObjectFile(const std::string &InputFilename, NameToSymbolMap &symbols, std::set<std::string> &references) { - Module *m = ParseBytecodeFile(InputFilename); + Module *m = getModule(InputFilename); if (!m) return LTO_READ_FAILURE; |