; LLVM IR from fetlang/fetlang :: src (FileUtil)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::filesystem::__cxx11::path" = type { %"class.std::__cxx11::basic_string", %"struct.std::filesystem::__cxx11::path::_List" }
%"struct.std::filesystem::__cxx11::path::_List" = type { %"class.std::unique_ptr" }
%"class.std::unique_ptr" = type { %"struct.std::__uniq_ptr_data" }
%"struct.std::__uniq_ptr_data" = type { %"class.std::__uniq_ptr_impl" }
%"class.std::__uniq_ptr_impl" = type { %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Head_base.4" }
%"struct.std::_Head_base.4" = type { ptr }

@_ZTI16FetlangException = external constant ptr
@.str.2 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.17 = external hidden unnamed_addr constant [38 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.19 = external hidden unnamed_addr constant [54 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt10filesystem7__cxx114pathC2INSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES1_EERKT_NS1_6formatE(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(32), i8 noundef zeroext) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNSt10filesystem6existsERKNS_7__cxx114pathE(ptr noundef nonnull align 8 dereferenceable(40)) #2

declare ptr @__cxa_allocate_exception(i64)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN16FetlangExceptionC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(20), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: nounwind
declare void @_ZN16FetlangExceptionD1Ev(ptr noundef nonnull align 8 dereferenceable(20)) unnamed_addr #3

declare void @__cxa_throw(ptr, ptr, ptr)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare void @__cxa_free_exception(ptr)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZNKSt10filesystem7__cxx114path6stringEv(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(40)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10filesystem7__cxx114pathD2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8FileUtil13getParentPathENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1) #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::filesystem::__cxx11::path", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca i1, align 1
  %10 = alloca %"class.std::filesystem::__cxx11::path", align 8
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %11 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef @.str.2)
  br i1 %11, label %12, label %19

12:                                               ; preds = %2
  %13 = call ptr @__cxa_allocate_exception(i64 24) #7
  invoke void @_ZN16FetlangExceptionCI2St13runtime_errorEPKc(ptr noundef nonnull align 8 dereferenceable(20) %13, ptr noundef @.str.17)
          to label %14 unwind label %15

14:                                               ; preds = %12
  call void @__cxa_throw(ptr %13, ptr @_ZTI16FetlangException, ptr @_ZN16FetlangExceptionD1Ev) #8
  unreachable

15:                                               ; preds = %12
  %16 = landingpad { ptr, i32 }
          cleanup
  %17 = extractvalue { ptr, i32 } %16, 0
  store ptr %17, ptr %5, align 8
  %18 = extractvalue { ptr, i32 } %16, 1
  store i32 %18, ptr %6, align 4
  call void @__cxa_free_exception(ptr %13) #7
  br label %65

19:                                               ; preds = %2
  br label %20

20:                                               ; preds = %28, %19
  %21 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4backEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  %22 = load i8, ptr %21, align 1, !tbaa !9
  %23 = sext i8 %22 to i32
  %24 = icmp eq i32 %23, 47
  br i1 %24, label %25, label %29

25:                                               ; preds = %20
  %26 = call noundef zeroext i1 @_ZStneIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef @.str.18)
  br i1 %26, label %27, label %28

27:                                               ; preds = %25
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  br label %28

28:                                               ; preds = %27, %25
  br label %20, !llvm.loop !10

29:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 40, ptr %7) #7
  call void @_ZNSt10filesystem7__cxx114pathC2INSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES1_EERKT_NS1_6formatE(ptr noundef nonnull align 8 dereferenceable(40) %7, ptr noundef nonnull align 8 dereferenceable(32) %1, i8 noundef zeroext 2)
  %30 = invoke noundef zeroext i1 @_ZNSt10filesystem6existsERKNS_7__cxx114pathE(ptr noundef nonnull align 8 dereferenceable(40) %7)
          to label %31 unwind label %36

31:                                               ; preds = %29
  br i1 %30, label %52, label %32

32:                                               ; preds = %31
  store i1 true, ptr %9, align 1
  %33 = call ptr @__cxa_allocate_exception(i64 24) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #7
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef @.str.19, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %34 unwind label %40

34:                                               ; preds = %32
  invoke void @_ZN16FetlangExceptionC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(20) %33, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %35 unwind label %44

35:                                               ; preds = %34
  store i1 false, ptr %9, align 1
  invoke void @__cxa_throw(ptr %33, ptr @_ZTI16FetlangException, ptr @_ZN16FetlangExceptionD1Ev) #8
          to label %70 unwind label %44

36:                                               ; preds = %29
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %5, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %6, align 4
  br label %64

40:                                               ; preds = %32
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %5, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %6, align 4
  br label %48

44:                                               ; preds = %35, %34
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %5, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %6, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  br label %48

48:                                               ; preds = %44, %40
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #7
  %49 = load i1, ptr %9, align 1
  br i1 %49, label %50, label %51

50:                                               ; preds = %48
  call void @__cxa_free_exception(ptr %33) #7
  br label %51

51:                                               ; preds = %50, %48
  br label %64

52:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 40, ptr %10) #7
  invoke void @_ZNKSt10filesystem7__cxx114path11parent_pathEv(ptr dead_on_unwind writable sret(%"class.std::filesystem::__cxx11::path") align 8 %10, ptr noundef nonnull align 8 dereferenceable(40) %7)
          to label %53 unwind label %55

53:                                               ; preds = %52
  invoke void @_ZNKSt10filesystem7__cxx114path6stringEv(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(40) %10)
          to label %54 unwind label %59

54:                                               ; preds = %53
  call void @_ZNSt10filesystem7__cxx114pathD2Ev(ptr noundef nonnull align 8 dereferenceable(40) %10) #7
  call void @llvm.lifetime.end.p0(i64 40, ptr %10) #7
  call void @_ZNSt10filesystem7__cxx114pathD2Ev(ptr noundef nonnull align 8 dereferenceable(40) %7) #7
  call void @llvm.lifetime.end.p0(i64 40, ptr %7) #7
  ret void

55:                                               ; preds = %52
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %5, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %6, align 4
  br label %63

59:                                               ; preds = %53
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %5, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %6, align 4
  call void @_ZNSt10filesystem7__cxx114pathD2Ev(ptr noundef nonnull align 8 dereferenceable(40) %10) #7
  br label %63

63:                                               ; preds = %59, %55
  call void @llvm.lifetime.end.p0(i64 40, ptr %10) #7
  br label %64

64:                                               ; preds = %63, %51, %36
  call void @_ZNSt10filesystem7__cxx114pathD2Ev(ptr noundef nonnull align 8 dereferenceable(40) %7) #7
  call void @llvm.lifetime.end.p0(i64 40, ptr %7) #7
  br label %65

65:                                               ; preds = %64, %15
  %66 = load ptr, ptr %5, align 8
  %67 = load i32, ptr %6, align 4
  %68 = insertvalue { ptr, i32 } poison, ptr %66, 0
  %69 = insertvalue { ptr, i32 } %68, i32 %67, 1
  resume { ptr, i32 } %69

70:                                               ; preds = %35
  unreachable
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN16FetlangExceptionCI2St13runtime_errorEPKc(ptr noundef nonnull align 8 dereferenceable(20), ptr noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4backEv(ptr noundef nonnull align 8 dereferenceable(32)) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(32)) #4 align 2

declare void @_ZNKSt10filesystem7__cxx114path11parent_pathEv(ptr dead_on_unwind writable sret(%"class.std::filesystem::__cxx11::path") align 8, ptr noundef nonnull align 8 dereferenceable(40)) #6

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }
attributes #8 = { noreturn }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::filesystem::__cxx11::path" = type { %"class.std::__cxx11::basic_string", %"struct.std::filesystem::__cxx11::path::_List" }
%"struct.std::filesystem::__cxx11::path::_List" = type { %"class.std::unique_ptr" }
%"class.std::unique_ptr" = type { %"struct.std::__uniq_ptr_data" }
%"struct.std::__uniq_ptr_data" = type { %"class.std::__uniq_ptr_impl" }
%"class.std::__uniq_ptr_impl" = type { %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Head_base.4" }
%"struct.std::_Head_base.4" = type { ptr }

@_ZTI16FetlangException = external constant ptr
@.str.2 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.17 = external hidden unnamed_addr constant [38 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.19 = external hidden unnamed_addr constant [54 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt10filesystem7__cxx114pathC2INSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES1_EERKT_NS1_6formatE(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(32), i8 noundef zeroext) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNSt10filesystem6existsERKNS_7__cxx114pathE(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #2

declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN16FetlangExceptionC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(20), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: nounwind
declare void @_ZN16FetlangExceptionD1Ev(ptr noundef nonnull align 8 dereferenceable(20)) unnamed_addr #3

declare void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare void @__cxa_free_exception(ptr) local_unnamed_addr

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZNKSt10filesystem7__cxx114path6stringEv(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10filesystem7__cxx114pathD2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8FileUtil13getParentPathENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::filesystem::__cxx11::path", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::filesystem::__cxx11::path", align 8
  %6 = tail call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull @.str.2)
  br i1 %6, label %10, label %.preheader

.preheader:                                       ; preds = %2
  %7 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4backEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  %8 = load i8, ptr %7, align 1, !tbaa !5
  %9 = icmp eq i8 %8, 47
  br i1 %9, label %.lr.ph, label %._crit_edge

10:                                               ; preds = %2
  %11 = tail call ptr @__cxa_allocate_exception(i64 24) #7
  invoke void @_ZN16FetlangExceptionCI2St13runtime_errorEPKc(ptr noundef nonnull align 8 dereferenceable(20) %11, ptr noundef nonnull @.str.17)
          to label %12 unwind label %13

12:                                               ; preds = %10
  tail call void @__cxa_throw(ptr nonnull %11, ptr nonnull @_ZTI16FetlangException, ptr nonnull @_ZN16FetlangExceptionD1Ev) #8
  unreachable

13:                                               ; preds = %10
  %14 = landingpad { ptr, i32 }
          cleanup
  tail call void @__cxa_free_exception(ptr %11) #7
  br label %43

.lr.ph:                                           ; preds = %.preheader, %17
  %15 = tail call noundef zeroext i1 @_ZStneIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull @.str.18)
  br i1 %15, label %16, label %17

16:                                               ; preds = %.lr.ph
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  br label %17

17:                                               ; preds = %16, %.lr.ph
  %18 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4backEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  %19 = load i8, ptr %18, align 1, !tbaa !5
  %20 = icmp eq i8 %19, 47
  br i1 %20, label %.lr.ph, label %._crit_edge, !llvm.loop !8

._crit_edge:                                      ; preds = %17, %.preheader
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %3) #7
  call void @_ZNSt10filesystem7__cxx114pathC2INSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES1_EERKT_NS1_6formatE(ptr noundef nonnull align 8 dereferenceable(40) %3, ptr noundef nonnull align 8 dereferenceable(32) %1, i8 noundef zeroext 2)
  %21 = invoke noundef zeroext i1 @_ZNSt10filesystem6existsERKNS_7__cxx114pathE(ptr noundef nonnull align 8 dereferenceable(40) %3)
          to label %22 unwind label %28

22:                                               ; preds = %._crit_edge
  br i1 %21, label %34, label %23

23:                                               ; preds = %22
  %24 = call ptr @__cxa_allocate_exception(i64 24) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #7
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, ptr noundef nonnull @.str.19, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %25 unwind label %.thread

25:                                               ; preds = %23
  invoke void @_ZN16FetlangExceptionC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(20) %24, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %27 unwind label %.thread17

.thread17:                                        ; preds = %25
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  br label %33

27:                                               ; preds = %25
  invoke void @__cxa_throw(ptr nonnull %24, ptr nonnull @_ZTI16FetlangException, ptr nonnull @_ZN16FetlangExceptionD1Ev) #8
          to label %44 unwind label %31

28:                                               ; preds = %._crit_edge
  %29 = landingpad { ptr, i32 }
          cleanup
  br label %42

.thread:                                          ; preds = %23
  %30 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  br label %33

31:                                               ; preds = %27
  %32 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  br label %42

33:                                               ; preds = %.thread17, %.thread
  %.pn16 = phi { ptr, i32 } [ %30, %.thread ], [ %26, %.thread17 ]
  call void @__cxa_free_exception(ptr %24) #7
  br label %42

34:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %5) #7
  invoke void @_ZNKSt10filesystem7__cxx114path11parent_pathEv(ptr dead_on_unwind nonnull writable sret(%"class.std::filesystem::__cxx11::path") align 8 %5, ptr noundef nonnull align 8 dereferenceable(40) %3)
          to label %35 unwind label %37

35:                                               ; preds = %34
  invoke void @_ZNKSt10filesystem7__cxx114path6stringEv(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(40) %5)
          to label %36 unwind label %39

36:                                               ; preds = %35
  call void @_ZNSt10filesystem7__cxx114pathD2Ev(ptr noundef nonnull align 8 dereferenceable(40) %5) #7
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #7
  call void @_ZNSt10filesystem7__cxx114pathD2Ev(ptr noundef nonnull align 8 dereferenceable(40) %3) #7
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #7
  ret void

37:                                               ; preds = %34
  %38 = landingpad { ptr, i32 }
          cleanup
  br label %41

39:                                               ; preds = %35
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt10filesystem7__cxx114pathD2Ev(ptr noundef nonnull align 8 dereferenceable(40) %5) #7
  br label %41

41:                                               ; preds = %39, %37
  %.pn9 = phi { ptr, i32 } [ %40, %39 ], [ %38, %37 ]
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #7
  br label %42

42:                                               ; preds = %31, %33, %41, %28
  %.pn9.pn = phi { ptr, i32 } [ %.pn9, %41 ], [ %.pn16, %33 ], [ %32, %31 ], [ %29, %28 ]
  call void @_ZNSt10filesystem7__cxx114pathD2Ev(ptr noundef nonnull align 8 dereferenceable(40) %3) #7
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #7
  br label %43

43:                                               ; preds = %42, %13
  %.pn12 = phi { ptr, i32 } [ %14, %13 ], [ %.pn9.pn, %42 ]
  resume { ptr, i32 } %.pn12

44:                                               ; preds = %27
  unreachable
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN16FetlangExceptionCI2St13runtime_errorEPKc(ptr noundef nonnull align 8 dereferenceable(20), ptr noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4backEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 align 2

declare void @_ZNKSt10filesystem7__cxx114path11parent_pathEv(ptr dead_on_unwind writable sret(%"class.std::filesystem::__cxx11::path") align 8, ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #6

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }
attributes #8 = { noreturn }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass