   0  inline_call_r_r <JitCode 'decode_index4'>, R[%r1, %r0] -> %r1
   7  -live- %r0, %r1
  10  getfield_gc_i_pure %r1, FieldDescr<tuple4.item0> -> %i0
  15  getfield_gc_i_pure %r1, FieldDescr<tuple4.item2> -> %i1
  20  getfield_gc_i_pure %r1, FieldDescr<tuple4.item3> -> %i2
  25  -live- %i0, %i1, %i2, %r0
  28  goto_if_not_int_is_zero %i1, L1
  32  getfield_gc_r %r0, FieldDescr<pypy.objspace.std.bufferobject.W_AbstractBuffer.inst_buf> -> %r0
  37  -live- %i0, %r0
  40  guard_class %r0 -> %i1
  43  getfield_raw_i %i1, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_getitem> -> %i1
  48  -live- %i0, %i1, %r0
  51  int_guard_value %i1
  53  residual_call_ir_i %i1, <IndirectCallTargets>, I[%i0], R[%r0], <CallDescr(ri) EF=7> -> %i0
  62  -live- %i0
  65  newstr $1 -> %r0
  68  strsetitem %r0, $0, %i0
  72  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab035b6720> -> %r1
  76  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  81  ref_return %r1
  83  ---
  83  L1:
  83  getfield_gc_r %r0, FieldDescr<pypy.objspace.std.bufferobject.W_AbstractBuffer.inst_buf> -> %r0
  88  -live- %i0, %i1, %i2, %r0
  91  guard_class %r0 -> %i3
  94  getfield_raw_i %i3, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_getslice> -> %i3
  99  -live- %i0, %i1, %i2, %i3, %r0
 102  int_guard_value %i3
 104  residual_call_ir_r %i3, <IndirectCallTargets>, I[%i0, %i1, %i2], R[%r0], <CallDescr(riii) EF=7> -> %r0
 115  -live- %r0
 118  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab035b6720> -> %r1
 122  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
 127  ref_return %r1
