   0  getfield_gc_r %r0, FieldDescr<rpython.rlib.streamio.BufferingInputStream.inst_buf> -> %r2
   5  -live- %i0, %r0, %r2
   5  goto_if_not_ptr_nonzero %r2, L1
   9  strlen %r2 -> %i1
  12  -live- %i0, %i1, %r0, %r2
  12  goto_if_not_int_is_true %i1, L2
  16  getfield_gc_r %r0, FieldDescr<rpython.rlib.streamio.BufferingInputStream.inst_do_seek> -> %r1
  21  getfield_gc_i %r0, FieldDescr<rpython.rlib.streamio.BufferingInputStream.inst_pos> -> %i1
  26  strlen %r2 -> %i2
  29  int_sub %i1, %i2 -> %i1
  33  -live- %i0, %i1, %r0, %r1
  33  guard_class %r1 -> %i2
  36  getfield_raw_i %i2, FieldDescr<rpython.rlib.streamio.Stream_vtable.cls_seek> -> %i2
  41  -live- %i0, %i1, %i2, %r0, %r1
  41  int_guard_value %i2
  43  residual_call_ir_v %i2, <IndirectCallTargets>, I[%i1, $1], R[%r1], <CallDescr(rii) EF=7>
  52  -live- %i0, %r0
  52  catch_exception L3
  55  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<rpython.rlib.streamio.BufferingInputStream.inst_buf>
  60  setfield_gc_i %r0, $0, FieldDescr<rpython.rlib.streamio.BufferingInputStream.inst_pos>
  65  L4:
  65  getfield_gc_r %r0, FieldDescr<rpython.rlib.streamio.BufferingInputStream.inst_base> -> %r2
  70  -live- %i0, %r2
  70  guard_class %r2 -> %i1
  73  getfield_raw_i %i1, FieldDescr<rpython.rlib.streamio.Stream_vtable.cls_truncate> -> %i1
  78  -live- %i0, %i1, %r2
  78  int_guard_value %i1
  80  residual_call_ir_v %i1, <IndirectCallTargets>, I[%i0], R[%r2], <CallDescr(ri) EF=7>
  88  -live-
  88  void_return
  89  ---
  89  L3:
  89  goto_if_exception_mismatch $<* struct object_vtable>, L5
  93  goto L4
  96  ---
  96  L5:
  96  goto_if_exception_mismatch $<* struct object_vtable>, L6
 100  goto L4
 103  ---
 103  L6:
 103  reraise
 104  ---
 104  L2:
 104  goto L4
 107  ---
 107  L1:
 107  goto L4
