// RUN: clang-cc %s -emit-llvm -o - -triple=x86_64-apple-darwin9
typedef unsigned long long uint64_t;
extern uint64_t numer;
extern uint64_t denom;
uint64_t
f(uint64_t val)
{
__uint128_t tmp;
tmp = val;
tmp *= numer;
tmp /= denom;
return tmp;
}