   0  strlen %r0 -> %i1
   3  int_add %i1, $1 -> %i1
   7  residual_call_ir_i $<* fn _ll_1_raw_malloc_varsize__Signed>, I[%i1], R[], <CallDescr(i) EF=5 OS_RAW_MALLOC_VARSIZE_CHAR> -> %i1
  15  -live- %i0, %i1, %r0
  15  strlen %r0 -> %i2
  18  residual_call_ir_v $<* fn copy_string_to_raw>, I[%i1, $0, %i2], R[%r0], <CallDescr(riii) EF=0 OS_STR_COPY_TO_RAW>
  28  setarrayitem_raw_i %i1, %i2, $'\x00', <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000001008f481478>
  34  int_signext %i0, $4 -> %i0
  38  residual_call_ir_i $<* fn ccall_mkfifo__arrayPtr_INT>, I[%i1, %i0], R[], <CallDescr(ii) EF=7> -> %i0
  47  -live- %i0, %i1
  47  -live- %i0, %i1
  47  goto_if_not_int_is_true %i1, L1
  51  residual_call_ir_v $<* fn _ll_1_raw_free__arrayPtr>, I[%i1], R[], <CallDescr(i) EF=2 OS_RAW_FREE>
  58  L2:
  58  -live- %i0
  58  goto_if_not_int_lt %i0, $0, L3
  63  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
  71  new_array_clear $2, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000010081672170> -> %r0
  76  setarrayitem_gc_r %r0, $0, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000010081672170>
  82  setarrayitem_gc_r %r0, $1, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000010081672170>
  88  ref_isvirtual %r0 -> %i0
  91  -live- %i0, %i1, %r0
  91  goto_if_not %i0, L4
  95  L5:
  95  inline_call_ir_r <JitCode 'll_join_strs__v1076___simple_call__function_'>, I[$2], R[%r0] -> %r1
 103  -live- %i1, %r1
 103  L6:
 103  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000001004e722790> -> %r0
 107  setfield_gc_r %r0, %r1, FieldDescr<exceptions.EnvironmentError.inst_strerror>
 112  setfield_gc_i %r0, %i1, FieldDescr<exceptions.EnvironmentError.inst_errno>
 117  -live- %r0
 117  raise %r0
 119  ---
 119  L4:
 119  int_isconstant $2 -> %i0
 122  -live- %i0, %i1, %r0
 122  goto_if_not %i0, L7
 126  goto L5
 129  ---
 129  L7:
 129  residual_call_ir_r $<* fn ll_join_strs_trampoline__v1072___simple_call__function_>, I[$2], R[%r0], <CallDescr(ir) EF=5> -> %r1
 138  -live- %i1, %r1
 138  goto L6
 141  ---
 141  L3:
 141  void_return
 142  ---
 142  L1:
 142  goto L2
