int main(int argc, char **argv, char * const *envp) {
atexit(do_shutdown); // Call llvm_shutdown() on exit.
cl::ParseCommandLineOptions(argc, argv,
int main(int argc, char **argv, char * const *envp) {
atexit(do_shutdown); // Call llvm_shutdown() on exit.
cl::ParseCommandLineOptions(argc, argv,