1 // clang -gdwarf-5 -O2 -nostdlib 2 3 __attribute__((noinline, cold)) sum(int i)4static int sum(int i) { 5 int j, s; 6 7 s = 0; 8 for (j = 0; j < i; j++) { 9 s += j * i; 10 } 11 return s; 12 } 13 main(int argc,char ** argv)14int main(int argc, char** argv) { 15 if (argc == 0) { 16 return 0; 17 } 18 return sum(argc); 19 } 20