   0  residual_call_r_r $<* fn get_nonmovingbuffer_final_null>, R[%r0], <CallDescr(r) EF=5> -> %r1
   7  -live- %i0, %r0, %r1
   7  getfield_gc_i_pure %r1, FieldDescr<tuple2.item0> -> %i1
  12  getfield_gc_i_pure %r1, FieldDescr<tuple2.item1> -> %i2
  17  int_signext %i0, $4 -> %i0
  21  residual_call_ir_i $<* fn ccall_mkfifo__arrayPtr_INT>, I[%i1, %i0], R[], <CallDescr(ii) EF=7> -> %i0
  30  -live- %i0, %i1, %i2, %r0
  30  residual_call_ir_v $<* fn free_nonmovingbuffer>, I[%i1, %i2], R[%r0], <CallDescr(rii) EF=2>
  39  -live- %i0
  39  goto_if_not_int_lt %i0, $0, L1
  44  residual_call_ir_i $<* fn _ll_1_threadlocalref_get__INTLlT_Signed>, I[$CDefinedIntSymbolic('RPY_TLOFS_rpy_errno')], R[], <CallDescr(i) EF=2 OS_THREADLOCALREF_GET> -> %i1
  52  new_array_clear $2, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000001008af37440> -> %r0
  57  setarrayitem_gc_r %r0, $0, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000001008af37440>
  63  setarrayitem_gc_r %r0, $1, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000001008af37440>
  69  ref_isvirtual %r0 -> %i0
  72  -live- %i0, %i1, %r0
  72  goto_if_not %i0, L2
  76  L3:
  76  inline_call_ir_r <JitCode 'll_join_strs__v1095___simple_call__function_'>, I[$2], R[%r0] -> %r1
  84  -live- %i1, %r1
  84  L4:
  84  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x00000100959d7e18> -> %r0
  88  setfield_gc_r %r0, %r1, FieldDescr<exceptions.EnvironmentError.inst_strerror>
  93  setfield_gc_i %r0, %i1, FieldDescr<exceptions.EnvironmentError.inst_errno>
  98  assert_not_none %r0
 100  -live- %r0
 100  guard_class %r0 -> %i0
 103  -live- %r0
 103  raise %r0
 105  ---
 105  L2:
 105  int_isconstant $2 -> %i0
 108  -live- %i0, %i1, %r0
 108  goto_if_not %i0, L5
 112  goto L3
 115  ---
 115  L5:
 115  residual_call_ir_r $<* fn ll_join_strs_trampoline__v1091___simple_call__function_>, I[$2], R[%r0], <CallDescr(ir) EF=5> -> %r1
 124  -live- %i1, %r1
 124  goto L4
 127  ---
 127  L1:
 127  void_return
