Function num_ptrs

tools/transform.cpp:784–789

}

static unsigned num_ptrs(const Type &ty) {
  unsigned n = ty.isPtrType();
  if (auto aty = ty.getAsAggregateType())
    n += aty->numPointerElements();
  return n;
}

static bool returns_local(const Value &v) {
  // no alias fns return local block