   0  -live- %r0, %r1
   3  record_quasiimmut_field %r0, FieldDescr<pypy.module.micronumpy.descriptor.W_Dtype.inst_itemtype>, FieldDescr<pypy.module.micronumpy.descriptor.W_Dtype.mutate_itemtype>
   9  getfield_gc_r_pure %r0, FieldDescr<pypy.module.micronumpy.descriptor.W_Dtype.inst_itemtype> -> %r0
  14  -live- %r0, %r1
  17  guard_class %r0 -> %i0
  20  getfield_raw_i %i0, FieldDescr<pypy.module.micronumpy.types.BaseType_vtable.cls_log2> -> %i0
  25  -live- %i0, %r0, %r1
  28  int_guard_value %i0
  30  residual_call_r_r %i0, <IndirectCallTargets>, R[%r0, %r1], <CallDescr(rr) EF=7> -> %r0
  38  -live- %r0
  41  ref_return %r0
