int main(int argc, char **argv) { LLVMContext &Context = getGlobalContext(); llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. cl::ParseCommandLineOptions(argc, argv, "libclc builtin preparation tool\n"); std::string ErrorMessage; std::auto_ptr<Module> M; { OwningPtr<MemoryBuffer> BufferPtr; if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, BufferPtr)) ErrorMessage = ec.message(); else M.reset(ParseBitcodeFile(BufferPtr.get(), Context, &ErrorMessage)); } if (M.get() == 0) { errs() << argv[0] << ": "; if (ErrorMessage.size()) errs() << ErrorMessage << "\n"; else errs() << "bitcode didn't read correctly.\n"; return 1; } // Set linkage of every external definition to linkonce_odr. for (Module::iterator i = M->begin(), e = M->end(); i != e; ++i) { if (!i->isDeclaration() && i->getLinkage() == GlobalValue::ExternalLinkage) { i->setLinkage(GlobalValue::LinkOnceODRLinkage); //i->addFnAttr(Attributes::AlwaysInline); } } for (Module::global_iterator i = M->global_begin(), e = M->global_end(); i != e; ++i) { if (!i->isDeclaration() && i->getLinkage() == GlobalValue::ExternalLinkage) { i->setLinkage(GlobalValue::LinkOnceAnyLinkage); } } if (OutputFilename.empty()) { errs() << "no output file\n"; return 1; } std::string ErrorInfo; OwningPtr<tool_output_file> Out (new tool_output_file(OutputFilename.c_str(), ErrorInfo, raw_fd_ostream::F_Binary)); if (!ErrorInfo.empty()) { errs() << ErrorInfo << '\n'; exit(1); } WriteBitcodeToFile(M.get(), Out->os()); // Declare success. Out->keep(); return 0; }