   0  -live- %i0, %i1, %r0
   3  guard_class %r0 -> %i2
   6  getfield_raw_i %i2, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_getlength> -> %i2
  11  -live- %i0, %i1, %i2, %r0
  14  int_guard_value %i2
  16  residual_call_r_i %i2, <IndirectCallTargets>, R[%r0], <CallDescr(r) EF=5> -> %i2
  23  -live- %i0, %i1, %i2, %r0
  26  goto_if_not_int_lt %i1, %i2, L1
  31  int_copy %i1 -> %i2
  34  ref_copy %r0 -> %r1
  37  L2:
  37  int_sub %i2, %i0 -> %i1
  41  -live- %i0, %i1, %r0, %r1
  44  guard_class %r0 -> %i2
  47  getfield_raw_i %i2, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_getslice> -> %i2
  52  -live- %i0, %i1, %i2, %r1
  55  int_guard_value %i2
  57  residual_call_ir_r %i2, <IndirectCallTargets>, I[%i0, $1, %i1], R[%r1], <CallDescr(riii) EF=7> -> %r0
  68  -live- %r0
  71  ref_return %r0
  73  ---
  73  L1:
  73  ref_copy %r0 -> %r1
  76  goto L2
