   0  residual_call_r_r $<* fn get_nonmovingbuffer_final_null>, R[%r0], <CallDescr(r) EF=5> -> %r1
   7  -live- %i0, %i1, %r0, %r1
   7  getfield_gc_i_pure %r1, FieldDescr<tuple2.item0> -> %i2
  12  getfield_gc_i_pure %r1, FieldDescr<tuple2.item1> -> %i3
  17  int_signext %i0, $4 -> %i0
  21  int_signext %i1, $4 -> %i1
  25  residual_call_ir_i $<* fn ccall_mknod__arrayPtr_INT_INT>, I[%i2, %i0, %i1], R[], <CallDescr(iii) EF=7> -> %i0
  35  -live- %i0, %i2, %i3, %r0
  35  residual_call_ir_v $<* fn free_nonmovingbuffer>, I[%i2, %i3], R[%r0], <CallDescr(rii) EF=2>
  44  inline_call_ir_i <JitCode 'handle_posix_error__mknod'>, I[%i0], R[$<* struct rpy_string>] -> %i0
  52  -live-
  52  void_return
