std::unique_ptr<llvm::raw_fd_ostream> make_raw_fd_ostream(const std::string &filename) {
std::string error_string;
#if LLVM_VERSION < 35
std::unique_ptr<llvm::raw_fd_ostream> raw_out(new llvm::raw_fd_ostream(filename.c_str(), error_string));
#elif LLVM_VERSION == 35
std::unique_ptr<llvm::raw_fd_ostream> raw_out(new llvm::raw_fd_ostream(filename.c_str(), error_string, llvm::sys::fs::F_None));
#else // llvm 3.6 or later
std::error_code err;
std::unique_ptr<llvm::raw_fd_ostream> raw_out(new llvm::raw_fd_ostream(filename, err, llvm::sys::fs::F_None));
if (err) error_string = err.message();
#endif
internal_assert(error_string.empty())
<< "Error opening output " << filename << ": " << error_string << "\n";
return raw_out;
}
std::unique_ptr<llvm::raw_fd_ostream> make_raw_fd_ostream(const std::string &filename) {
std::string error_string;
std::error_code err;
std::unique_ptr<llvm::raw_fd_ostream> raw_out(new llvm::raw_fd_ostream(filename, err, llvm::sys::fs::F_None));
if (err) error_string = err.message();
internal_assert(error_string.empty())
<< "Error opening output " << filename << ": " << error_string << "\n";
return raw_out;
}