; LLVM IR from heremaps/tin-terrain :: src/BinaryIO.ll (ZNK4tntn20BinaryIOErrorTracker9to_stringB5cxx11Ev)

; 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] }
%"struct.tntn::BinaryIOErrorTracker" = type { %"struct.tntn::BinaryIOError", %"struct.tntn::BinaryIOError" }
%"struct.tntn::BinaryIOError" = type { ptr, i64, i32, i64, i64 }

@.str.5 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [15 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK4tntn13BinaryIOError9to_stringB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(40)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK4tntn13BinaryIOError8is_errorEv(ptr noundef nonnull align 8 dereferenceable(40)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK4tntn13BinaryIOErroreqERKS0_(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(40)) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK4tntn20BinaryIOErrorTracker9to_stringB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(80) %1) #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i1, align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %11 = load ptr, ptr %4, align 8
  store i1 false, ptr %5, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %12 = getelementptr inbounds %"struct.tntn::BinaryIOErrorTracker", ptr %11, i32 0, i32 0
  %13 = invoke noundef zeroext i1 @_ZNK4tntn13BinaryIOError8is_errorEv(ptr noundef nonnull align 8 dereferenceable(40) %12)
          to label %14 unwind label %27

14:                                               ; preds = %2
  br i1 %13, label %15, label %40

15:                                               ; preds = %14
  %16 = getelementptr inbounds %"struct.tntn::BinaryIOErrorTracker", ptr %11, i32 0, i32 0
  %17 = getelementptr inbounds %"struct.tntn::BinaryIOErrorTracker", ptr %11, i32 0, i32 1
  %18 = invoke noundef zeroext i1 @_ZNK4tntn13BinaryIOErroreqERKS0_(ptr noundef nonnull align 8 dereferenceable(40) %16, ptr noundef nonnull align 8 dereferenceable(40) %17)
          to label %19 unwind label %27

19:                                               ; preds = %15
  br i1 %18, label %20, label %40

20:                                               ; preds = %19
  %21 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.5)
          to label %22 unwind label %27

22:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #3
  %23 = getelementptr inbounds %"struct.tntn::BinaryIOErrorTracker", ptr %11, i32 0, i32 0
  invoke void @_ZNK4tntn13BinaryIOError9to_stringB5cxx11Ev(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef nonnull align 8 dereferenceable(40) %23)
          to label %24 unwind label %31

24:                                               ; preds = %22
  %25 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %26 unwind label %35

26:                                               ; preds = %24
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #3
  br label %84

27:                                               ; preds = %64, %60, %44, %40, %20, %15, %2
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %6, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %7, align 4
  br label %88

31:                                               ; preds = %22
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %6, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %7, align 4
  br label %39

35:                                               ; preds = %24
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %6, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %7, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  br label %39

39:                                               ; preds = %35, %31
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #3
  br label %88

40:                                               ; preds = %19, %14
  %41 = getelementptr inbounds %"struct.tntn::BinaryIOErrorTracker", ptr %11, i32 0, i32 0
  %42 = invoke noundef zeroext i1 @_ZNK4tntn13BinaryIOError8is_errorEv(ptr noundef nonnull align 8 dereferenceable(40) %41)
          to label %43 unwind label %27

43:                                               ; preds = %40
  br i1 %42, label %44, label %60

44:                                               ; preds = %43
  %45 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.6)
          to label %46 unwind label %27

46:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #3
  %47 = getelementptr inbounds %"struct.tntn::BinaryIOErrorTracker", ptr %11, i32 0, i32 0
  invoke void @_ZNK4tntn13BinaryIOError9to_stringB5cxx11Ev(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %9, ptr noundef nonnull align 8 dereferenceable(40) %47)
          to label %48 unwind label %51

48:                                               ; preds = %46
  %49 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %50 unwind label %55

50:                                               ; preds = %48
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #3
  br label %60

51:                                               ; preds = %46
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %6, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %7, align 4
  br label %59

55:                                               ; preds = %48
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %6, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %7, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #3
  br label %59

59:                                               ; preds = %55, %51
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #3
  br label %88

60:                                               ; preds = %50, %43
  %61 = getelementptr inbounds %"struct.tntn::BinaryIOErrorTracker", ptr %11, i32 0, i32 1
  %62 = invoke noundef zeroext i1 @_ZNK4tntn13BinaryIOError8is_errorEv(ptr noundef nonnull align 8 dereferenceable(40) %61)
          to label %63 unwind label %27

63:                                               ; preds = %60
  br i1 %62, label %64, label %83

64:                                               ; preds = %63
  %65 = call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %66 = zext i1 %65 to i64
  %67 = select i1 %65, ptr @.str.7, ptr @.str.8
  %68 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %67)
          to label %69 unwind label %27

69:                                               ; preds = %64
  call void @llvm.lifetime.start.p0(i64 32, ptr %10) #3
  %70 = getelementptr inbounds %"struct.tntn::BinaryIOErrorTracker", ptr %11, i32 0, i32 1
  invoke void @_ZNK4tntn13BinaryIOError9to_stringB5cxx11Ev(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %10, ptr noundef nonnull align 8 dereferenceable(40) %70)
          to label %71 unwind label %74

71:                                               ; preds = %69
  %72 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %10)
          to label %73 unwind label %78

73:                                               ; preds = %71
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #3
  br label %83

74:                                               ; preds = %69
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %6, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %7, align 4
  br label %82

78:                                               ; preds = %71
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %6, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %7, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #3
  br label %82

82:                                               ; preds = %78, %74
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #3
  br label %88

83:                                               ; preds = %73, %63
  br label %84

84:                                               ; preds = %83, %26
  store i1 true, ptr %5, align 1
  %85 = load i1, ptr %5, align 1
  br i1 %85, label %87, label %86

86:                                               ; preds = %84
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  br label %87

87:                                               ; preds = %86, %84
  ret void

88:                                               ; preds = %82, %59, %39, %27
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  br label %89

89:                                               ; preds = %88
  %90 = load ptr, ptr %6, align 8
  %91 = load i32, ptr %7, align 4
  %92 = insertvalue { ptr, i32 } poison, ptr %90, 0
  %93 = insertvalue { ptr, i32 } %92, i32 %91, 1
  resume { ptr, i32 } %93
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

attributes #0 = { 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 #1 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nounwind }

!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"}


; 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] }

@.str.5 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [15 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK4tntn13BinaryIOError9to_stringB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK4tntn13BinaryIOError8is_errorEv(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK4tntn13BinaryIOErroreqERKS0_(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK4tntn20BinaryIOErrorTracker9to_stringB5cxx11Ev(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(80) %1) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %6 = tail call noundef zeroext i1 @_ZNK4tntn13BinaryIOError8is_errorEv(ptr noundef nonnull align 8 dereferenceable(40) %1)
  br i1 %6, label %7, label %24

7:                                                ; preds = %2
  %8 = getelementptr inbounds i8, ptr %1, i64 40
  %9 = invoke noundef zeroext i1 @_ZNK4tntn13BinaryIOErroreqERKS0_(ptr noundef nonnull align 8 dereferenceable(40) %1, ptr noundef nonnull align 8 dereferenceable(40) %8)
          to label %10 unwind label %17

10:                                               ; preds = %7
  br i1 %9, label %11, label %24

11:                                               ; preds = %10
  %12 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.5)
          to label %13 unwind label %17

13:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #3
  invoke void @_ZNK4tntn13BinaryIOError9to_stringB5cxx11Ev(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, ptr noundef nonnull align 8 dereferenceable(40) %1)
          to label %14 unwind label %19

14:                                               ; preds = %13
  %15 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %16 unwind label %21

16:                                               ; preds = %14
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #3
  br label %53

17:                                               ; preds = %40, %26, %11, %7
  %18 = landingpad { ptr, i32 }
          cleanup
  br label %54

19:                                               ; preds = %13
  %20 = landingpad { ptr, i32 }
          cleanup
  br label %23

21:                                               ; preds = %14
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  br label %23

23:                                               ; preds = %21, %19
  %.pn10 = phi { ptr, i32 } [ %22, %21 ], [ %20, %19 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #3
  br label %54

24:                                               ; preds = %10, %2
  %25 = tail call noundef zeroext i1 @_ZNK4tntn13BinaryIOError8is_errorEv(ptr noundef nonnull align 8 dereferenceable(40) %1)
  br i1 %25, label %26, label %37

26:                                               ; preds = %24
  %27 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.6)
          to label %28 unwind label %17

28:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #3
  invoke void @_ZNK4tntn13BinaryIOError9to_stringB5cxx11Ev(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, ptr noundef nonnull align 8 dereferenceable(40) %1)
          to label %29 unwind label %32

29:                                               ; preds = %28
  %30 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %31 unwind label %34

31:                                               ; preds = %29
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #3
  br label %37

32:                                               ; preds = %28
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %36

34:                                               ; preds = %29
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  br label %36

36:                                               ; preds = %34, %32
  %.pn = phi { ptr, i32 } [ %35, %34 ], [ %33, %32 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #3
  br label %54

37:                                               ; preds = %31, %24
  %38 = getelementptr inbounds i8, ptr %1, i64 40
  %39 = call noundef zeroext i1 @_ZNK4tntn13BinaryIOError8is_errorEv(ptr noundef nonnull align 8 dereferenceable(40) %38)
  br i1 %39, label %40, label %53

40:                                               ; preds = %37
  %41 = call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %42 = select i1 %41, ptr @.str.7, ptr @.str.8
  %43 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull %42)
          to label %44 unwind label %17

44:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #3
  invoke void @_ZNK4tntn13BinaryIOError9to_stringB5cxx11Ev(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull align 8 dereferenceable(40) %38)
          to label %45 unwind label %48

45:                                               ; preds = %44
  %46 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %47 unwind label %50

47:                                               ; preds = %45
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #3
  br label %53

48:                                               ; preds = %44
  %49 = landingpad { ptr, i32 }
          cleanup
  br label %52

50:                                               ; preds = %45
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  br label %52

52:                                               ; preds = %50, %48
  %.pn8 = phi { ptr, i32 } [ %51, %50 ], [ %49, %48 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #3
  br label %54

53:                                               ; preds = %16, %47, %37
  ret void

54:                                               ; preds = %52, %36, %23, %17
  %.pn10.pn = phi { ptr, i32 } [ %.pn10, %23 ], [ %18, %17 ], [ %.pn8, %52 ], [ %.pn, %36 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  resume { ptr, i32 } %.pn10.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

attributes #0 = { 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 #1 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nounwind }

!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)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass