; LLVM IR from heremaps/tin-terrain :: src/BinaryIO.ll (ZNK4tntn13BinaryIOError9to_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::BinaryIOError" = type { ptr, i64, i32, i64, i64 }

@.str = external hidden unnamed_addr constant [19 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [16 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK4tntn13BinaryIOError9to_stringB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(40) %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
  %12 = call noundef zeroext i1 @_ZNK4tntn13BinaryIOError8is_errorEv(ptr noundef nonnull align 8 dereferenceable(40) %11)
  br i1 %12, label %14, label %13

13:                                               ; preds = %2
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %85

14:                                               ; preds = %2
  store i1 false, ptr %5, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %15 = getelementptr inbounds %"struct.tntn::BinaryIOError", ptr %11, i32 0, i32 2
  %16 = load i32, ptr %15, align 8, !tbaa !9
  %17 = icmp eq i32 %16, 1
  br i1 %17, label %18, label %19

18:                                               ; preds = %14
  br label %20

19:                                               ; preds = %14
  br label %20

20:                                               ; preds = %19, %18
  %21 = phi ptr [ @.str, %18 ], [ @.str.1, %19 ]
  %22 = getelementptr inbounds [19 x i8], ptr %21, i64 0, i64 0
  %23 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %22)
          to label %24 unwind label %51

24:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #4
  %25 = getelementptr inbounds %"struct.tntn::BinaryIOError", ptr %11, i32 0, i32 1
  %26 = load i64, ptr %25, align 8, !tbaa !13
  invoke void @_ZNSt7__cxx119to_stringEm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %8, i64 noundef %26)
          to label %27 unwind label %55

27:                                               ; preds = %24
  %28 = 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 %29 unwind label %59

29:                                               ; preds = %27
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #4
  %30 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.2)
          to label %31 unwind label %51

31:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #4
  %32 = getelementptr inbounds %"struct.tntn::BinaryIOError", ptr %11, i32 0, i32 3
  %33 = load i64, ptr %32, align 8, !tbaa !14
  invoke void @_ZNSt7__cxx119to_stringEm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %9, i64 noundef %33)
          to label %34 unwind label %64

34:                                               ; preds = %31
  %35 = 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 %36 unwind label %68

36:                                               ; preds = %34
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #4
  %37 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.3)
          to label %38 unwind label %51

38:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 32, ptr %10) #4
  %39 = getelementptr inbounds %"struct.tntn::BinaryIOError", ptr %11, i32 0, i32 4
  %40 = load i64, ptr %39, align 8, !tbaa !15
  invoke void @_ZNSt7__cxx119to_stringEm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %10, i64 noundef %40)
          to label %41 unwind label %73

41:                                               ; preds = %38
  %42 = 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 %43 unwind label %77

43:                                               ; preds = %41
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #4
  %44 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.4)
          to label %45 unwind label %51

45:                                               ; preds = %43
  %46 = getelementptr inbounds %"struct.tntn::BinaryIOError", ptr %11, i32 0, i32 0
  %47 = load ptr, ptr %46, align 8, !tbaa !16
  %48 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %47)
          to label %49 unwind label %51

49:                                               ; preds = %45
  store i1 true, ptr %5, align 1
  %50 = load i1, ptr %5, align 1
  br i1 %50, label %83, label %82

51:                                               ; preds = %45, %43, %36, %29, %20
  %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 %84

55:                                               ; preds = %24
  %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
  br label %63

59:                                               ; preds = %27
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %6, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %7, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  br label %63

63:                                               ; preds = %59, %55
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #4
  br label %84

64:                                               ; preds = %31
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %6, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %7, align 4
  br label %72

68:                                               ; preds = %34
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %6, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %7, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #4
  br label %72

72:                                               ; preds = %68, %64
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #4
  br label %84

73:                                               ; preds = %38
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %6, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %7, align 4
  br label %81

77:                                               ; preds = %41
  %78 = landingpad { ptr, i32 }
          cleanup
  %79 = extractvalue { ptr, i32 } %78, 0
  store ptr %79, ptr %6, align 8
  %80 = extractvalue { ptr, i32 } %78, 1
  store i32 %80, ptr %7, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #4
  br label %81

81:                                               ; preds = %77, %73
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #4
  br label %84

82:                                               ; preds = %49
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %83

83:                                               ; preds = %82, %49
  br label %85

84:                                               ; preds = %81, %72, %63, %51
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %86

85:                                               ; preds = %83, %13
  ret void

86:                                               ; preds = %84
  %87 = load ptr, ptr %6, align 8
  %88 = load i32, ptr %7, align 4
  %89 = insertvalue { ptr, i32 } poison, ptr %87, 0
  %90 = insertvalue { ptr, i32 } %89, i32 %88, 1
  resume { ptr, i32 } %90
}

; 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: inlinehint mustprogress uwtable
declare dso_local void @_ZNSt7__cxx119to_stringEm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, i64 noundef) #3

; 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

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 = { 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 #4 = { 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"}
!9 = !{!10, !12, i64 16}
!10 = !{!"_ZTSN4tntn13BinaryIOErrorE", !6, i64 0, !11, i64 8, !12, i64 16, !11, i64 24, !11, i64 32}
!11 = !{!"long", !7, i64 0}
!12 = !{!"_ZTSN4tntn13BinaryIOError7InOrOutE", !7, i64 0}
!13 = !{!10, !11, i64 8}
!14 = !{!10, !11, i64 24}
!15 = !{!10, !11, i64 32}
!16 = !{!10, !6, i64 0}


; 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 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [16 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK4tntn13BinaryIOError9to_stringB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(40) %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
  %6 = tail call noundef zeroext i1 @_ZNK4tntn13BinaryIOError8is_errorEv(ptr noundef nonnull align 8 dereferenceable(40) %1)
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br i1 %6, label %7, label %54

7:                                                ; preds = %2
  %8 = getelementptr inbounds i8, ptr %1, i64 16
  %9 = load i32, ptr %8, align 8, !tbaa !5
  %10 = icmp eq i32 %9, 1
  %.str..str.1 = select i1 %10, ptr @.str, ptr @.str.1
  %11 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull %.str..str.1)
          to label %12 unwind label %36

12:                                               ; preds = %7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #4
  %13 = getelementptr inbounds i8, ptr %1, i64 8
  %14 = load i64, ptr %13, align 8, !tbaa !12
  invoke void @_ZNSt7__cxx119to_stringEm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, i64 noundef %14)
          to label %15 unwind label %38

15:                                               ; preds = %12
  %16 = 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 %17 unwind label %40

17:                                               ; preds = %15
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  %18 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.2)
          to label %19 unwind label %36

19:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #4
  %20 = getelementptr inbounds i8, ptr %1, i64 24
  %21 = load i64, ptr %20, align 8, !tbaa !13
  invoke void @_ZNSt7__cxx119to_stringEm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, i64 noundef %21)
          to label %22 unwind label %43

22:                                               ; preds = %19
  %23 = 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 %24 unwind label %45

24:                                               ; preds = %22
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  %25 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.3)
          to label %26 unwind label %36

26:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #4
  %27 = getelementptr inbounds i8, ptr %1, i64 32
  %28 = load i64, ptr %27, align 8, !tbaa !14
  invoke void @_ZNSt7__cxx119to_stringEm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, i64 noundef %28)
          to label %29 unwind label %48

29:                                               ; preds = %26
  %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) %5)
          to label %31 unwind label %50

31:                                               ; preds = %29
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  %32 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.4)
          to label %33 unwind label %36

33:                                               ; preds = %31
  %34 = load ptr, ptr %1, align 8, !tbaa !15
  %35 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %34)
          to label %54 unwind label %36

36:                                               ; preds = %33, %31, %24, %17, %7
  %37 = landingpad { ptr, i32 }
          cleanup
  br label %53

38:                                               ; preds = %12
  %39 = landingpad { ptr, i32 }
          cleanup
  br label %42

40:                                               ; preds = %15
  %41 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  br label %42

42:                                               ; preds = %40, %38
  %.pn = phi { ptr, i32 } [ %41, %40 ], [ %39, %38 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  br label %53

43:                                               ; preds = %19
  %44 = landingpad { ptr, i32 }
          cleanup
  br label %47

45:                                               ; preds = %22
  %46 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  br label %47

47:                                               ; preds = %45, %43
  %.pn8 = phi { ptr, i32 } [ %46, %45 ], [ %44, %43 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  br label %53

48:                                               ; preds = %26
  %49 = landingpad { ptr, i32 }
          cleanup
  br label %52

50:                                               ; preds = %29
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  br label %52

52:                                               ; preds = %50, %48
  %.pn10 = phi { ptr, i32 } [ %51, %50 ], [ %49, %48 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  br label %53

53:                                               ; preds = %52, %47, %42, %36
  %.pn12 = phi { ptr, i32 } [ %37, %36 ], [ %.pn10, %52 ], [ %.pn8, %47 ], [ %.pn, %42 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  resume { ptr, i32 } %.pn12

54:                                               ; preds = %2, %33
  ret void
}

; 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: inlinehint mustprogress uwtable
declare dso_local void @_ZNSt7__cxx119to_stringEm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, i64 noundef) local_unnamed_addr #3

; 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

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 = { 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 #4 = { 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, !11, i64 16}
!6 = !{!"_ZTSN4tntn13BinaryIOErrorE", !7, i64 0, !10, i64 8, !11, i64 16, !10, i64 24, !10, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"_ZTSN4tntn13BinaryIOError7InOrOutE", !8, i64 0}
!12 = !{!6, !10, i64 8}
!13 = !{!6, !10, i64 24}
!14 = !{!6, !10, i64 32}
!15 = !{!6, !7, i64 0}


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