   0  -live- %i0, %r0
   3  record_quasiimmut_field %r0, FieldDescr<pypy.module._cffi_backend.ctypeobj.W_CType.inst_size>, FieldDescr<pypy.module._cffi_backend.ctypeobj.W_CType.mutate_size>
   9  getfield_gc_i_pure %r0, FieldDescr<pypy.module._cffi_backend.ctypeobj.W_CType.inst_size> -> %i1
  14  inline_call_ir_i <JitCode 'read_raw_ulong_data'>, I[%i0, %i1], R[] -> %i0
  22  -live- %i0
  25  int_return %i0
