void codegen() {
if (InputFilenames.size() != 1 && !OutputFilename.empty())
report_fatal_error("Can't handle a single output filename and multiple "
"input files, do not provide an output filename and "
"the output files will be suffixed from the input "
"ones.");
if (!ThinLTOIndex.empty())
errs() << "Warning: -thinlto-index ignored for codegen stage";
for (auto &Filename : InputFilenames) {
LLVMContext Ctx;
auto TheModule = loadModule(Filename, Ctx);
auto Buffer = ThinGenerator.codegen(*TheModule);
std::string OutputName = OutputFilename;
if (OutputName.empty()) {
OutputName = Filename + ".thinlto.o";
}
if (OutputName == "-") {
outs() << Buffer->getBuffer();
return;
}
std::error_code EC;
raw_fd_ostream OS(OutputName, EC, sys::fs::OpenFlags::F_None);
error(EC, "error opening the file '" + OutputName + "'");
OS << Buffer->getBuffer();
}
}
