   0  -live- %i0, %r0, %r1
   0  guard_class %r0 -> %i1
   3  getfield_raw_i %i1, FieldDescr<object_vtable.subclassrange_min> -> %i1
   8  int_between $TotalOrderSymbolic('compute_fn'), %i1, $TotalOrderSymbolic('compute_fn') -> %i1
  13  -live- %i0, %i1, %r0, %r1
  13  goto_if_not %i1, L1
  17  L2:
  17  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x00000001b0a96e58> -> %r2
  21  setfield_gc_r %r2, %r0, FieldDescr<pypy.module.posix.interp_posix.FileEncoder.inst_w_obj>
  26  inline_call_ir_r <JitCode 'open_file_as_stream__pypy_module_posix_interp_posix_FileEncoder'>, I[%i0], R[%r2, %r1] -> %r0
  35  -live- %r0
  35  ref_return %r0
  37  ---
  37  L1:
  37  -live- %i0, %r0, %r1
  37  guard_class %r0 -> %i1
  40  -live- %i0, %i1, %r0, %r1
  40  int_guard_value %i1
  42  -live- %i0, %r0, %r1
  42  guard_class %r0 -> %i1
  45  getfield_raw_i %i1, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_getclass> -> %i1
  50  getfield_raw_i %i1, FieldDescr<specfunc.variant0> -> %i1
  55  -live- %i0, %i1, %r0, %r1
  55  int_guard_value %i1
  57  residual_call_r_r %i1, <IndirectCallTargets>, R[%r0], <CallDescr(r) EF=2> -> %r2
  64  -live- %i0, %r0, %r1, %r2
  64  inline_call_r_i <JitCode 'W_TypeObject.issubtype'>, R[%r2, $<* struct pypy.objspace.std.typeobject.W_TypeObject>] -> %i1
  71  -live- %i0, %i1, %r0, %r1
  71  -live- %i0, %i1, %r0, %r1
  71  goto_if_not %i1, L3
  75  goto L2
  78  ---
  78  L3:
  78  inline_call_r_r <JitCode 'ObjSpace.bytes0_w'>, R[%r0] -> %r0
  84  -live- %i0, %r0, %r1
  84  inline_call_ir_r <JitCode 'open_file_as_stream__str'>, I[%i0, $<* fn checksignals>], R[%r0, %r1] -> %r0
  94  -live- %r0
  94  ref_return %r0
