struct class {
  class* isa;
  class* super;
  struct {
    void* bucket;
    void* preoptimize;
  } cache;
  uint64_t cache_bits;
}

realizeClassWithoutSwift(class* cls, class* previous) {
// x0 = cls
// x1 = previous

x19 = x0
if (!x0) {
return
}

x28 = x1
x8 = *x19 - 1

if (x8 < 0xf) {
} else {
  x8 = x19
  x16 = *(x8 + 0x20)
  x9 = x16
  // strip pointer auth x9
  x9 = x9 & 0x7ffffffffff8
  w9 = *x9

  if (w9 & 0x1f) {
    x17 = x8
    x17 = 0xc93a << 48
    // authenticate x16 x17
    x17 = x16
    // strip pointer auth x17
    if (x16 != x17) {
      throw
    }
    x20 = x16 & 0x7ffffffffff8
    x0 = x20
    x0 = malloc_size(x0)
    if (x0 > 0x1f) {
      return
    }

  } else {
    w20 = -0x7ff80000
    x21 = x19 + w20
    x0 = x21
    x0 = safe_ro(x0)
    x8 = *x0 & 0x1
  }

}
}