   0  getfield_gc_r %r0, FieldDescr<pypy.module._io.interp_stringio.W_StringIO.inst_buf> -> %r2
   5  -live- %r0, %r1, %r2
   5  goto_if_not_ptr_iszero %r2, L1
   9  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x7fff481d5aa0> -> %r1
  13  setfield_gc_r %r1, $<* struct rpy_string>, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  18  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x7fff4a084f00> -> %r2
  22  setfield_gc_r %r2, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  27  setfield_gc_r %r2, %r1, FieldDescr<pypy.interpreter.error.OperationError.inst__w_value>
  32  setfield_gc_r %r2, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__application_traceback>
  37  assert_not_none %r2
  39  -live- %r2
  39  guard_class %r2 -> %i0
  42  -live- %r2
  42  raise %r2
  44  ---
  44  L1:
  44  inline_call_r_i <JitCode 'convert_size'>, R[%r1] -> %i1
  50  -live- %i1, %r0
  50  getfield_gc_i %r0, FieldDescr<pypy.module._io.interp_stringio.W_StringIO.inst_readuniversal> -> %i0
  55  -live- %i0, %i1, %r0
  55  goto_if_not %i0, L2
  59  getfield_gc_r %r0, FieldDescr<pypy.module._io.interp_stringio.W_StringIO.inst_buf> -> %r1
  64  residual_call_ir_r $<* fn UnicodeIO.readline_universal>, I[%i1], R[%r1], <CallDescr(ri) EF=5> -> %r2
  73  -live- %r2
  73  L3:
  73  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x7fff4a581190> -> %r1
  77  setfield_gc_r %r1, %r2, FieldDescr<pypy.objspace.std.unicodeobject.W_UnicodeObject.inst__value>
  82  ref_return %r1
  84  ---
  84  L2:
  84  getfield_gc_i %r0, FieldDescr<pypy.module._io.interp_stringio.W_StringIO.inst_readtranslate> -> %i0
  89  -live- %i0, %i1, %r0
  89  goto_if_not %i0, L4
  93  ref_copy $<* struct rpy_unicode> -> %r1
  96  L5:
  96  getfield_gc_r %r0, FieldDescr<pypy.module._io.interp_stringio.W_StringIO.inst_buf> -> %r2
 101  residual_call_ir_r $<* fn UnicodeIO.readline>, I[%i1], R[%r2, %r1], <CallDescr(rri) EF=5> -> %r2
 111  -live- %r2
 111  goto L3
 114  ---
 114  L4:
 114  getfield_gc_r %r0, FieldDescr<pypy.module._io.interp_stringio.W_StringIO.inst_readnl> -> %r1
 119  goto L5
