   0  inline_call_r_i <JitCode 'unpack'>, R[%r1] -> %i1
   6  -live- %i0, %i1
   6  -live- %i0, %i1
   6  goto_if_not %i0, L1
  10  L2:
  10  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x7fff66f17b40> -> %r0
  14  setfield_gc_i %r0, %i1, FieldDescr<pypy.module.micronumpy.boxes.W_LongBox.inst_value>
  19  ref_return %r0
  21  ---
  21  L1:
  21  inline_call_ir_i <JitCode 'byteswap__Signed'>, I[%i1], R[] -> %i1
  28  -live- %i1
  28  goto L2
