// Synthetic benchmark for __tsan_func_entry/exit (spends ~75% there).
void foo(bool x);
int main() {
volatile int kRepeat1 = 1 << 30;
const int kRepeat = kRepeat1;
for (int i = 0; i < kRepeat; i++)
foo(false);
}
__attribute__((noinline)) void bar(volatile bool x) {
if (x)
foo(x);
}
__attribute__((noinline)) void foo(bool x) {
if (__builtin_expect(x, false))
bar(x);
}