; LLVM IR from AngoraFuzzer/Angora :: tests/fstream (fstream)

; 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::basic_fstream" = type { %"class.std::basic_iostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_iostream.base" = type { %"class.std::basic_istream.base", %"class.std::basic_ostream.base" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::fpos" = type { i64, %struct.__mbstate_t }

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca %"class.std::basic_fstream", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::fpos", align 8
  %12 = alloca ptr, align 8
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  %13 = load i32, ptr %4, align 4, !tbaa !5
  %14 = icmp slt i32 %13, 2
  br i1 %14, label %15, label %16

15:                                               ; preds = %2
  store i32 0, ptr %3, align 4
  br label %92

16:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 528, ptr %6) #8
  call void @_ZNSt13basic_fstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(264) %6)
  %17 = load ptr, ptr %5, align 8, !tbaa !9
  %18 = getelementptr inbounds ptr, ptr %17, i64 1
  %19 = load ptr, ptr %18, align 8, !tbaa !9
  %20 = invoke noundef i32 @_ZStorSt13_Ios_OpenmodeS_(i32 noundef 8, i32 noundef 4)
          to label %21 unwind label %26

21:                                               ; preds = %16
  invoke void @_ZNSt13basic_fstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(264) %6, ptr noundef %19, i32 noundef %20)
          to label %22 unwind label %26

22:                                               ; preds = %21
  %23 = invoke noundef zeroext i1 @_ZNSt13basic_fstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(264) %6)
          to label %24 unwind label %26

24:                                               ; preds = %22
  br i1 %23, label %30, label %25

25:                                               ; preds = %24
  store i32 0, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %90

26:                                               ; preds = %30, %22, %21, %16
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %7, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %8, align 4
  br label %91

30:                                               ; preds = %24
  %31 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgElSt12_Ios_Seekdir(ptr noundef nonnull align 8 dereferenceable(16) %6, i64 noundef 0, i32 noundef 2)
          to label %32 unwind label %26

32:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #8
  %33 = invoke { i64, i64 } @_ZNSi5tellgEv(ptr noundef nonnull align 8 dereferenceable(16) %6)
          to label %34 unwind label %47

34:                                               ; preds = %32
  %35 = getelementptr inbounds { i64, i64 }, ptr %11, i32 0, i32 0
  %36 = extractvalue { i64, i64 } %33, 0
  store i64 %36, ptr %35, align 8
  %37 = getelementptr inbounds { i64, i64 }, ptr %11, i32 0, i32 1
  %38 = extractvalue { i64, i64 } %33, 1
  store i64 %38, ptr %37, align 8
  %39 = invoke noundef i64 @_ZNKSt4fposI11__mbstate_tEcvlEv(ptr noundef nonnull align 8 dereferenceable(16) %11)
          to label %40 unwind label %47

40:                                               ; preds = %34
  %41 = trunc i64 %39 to i32
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #8
  store i32 %41, ptr %10, align 4, !tbaa !5
  %42 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgElSt12_Ios_Seekdir(ptr noundef nonnull align 8 dereferenceable(16) %6, i64 noundef 0, i32 noundef 0)
          to label %43 unwind label %51

43:                                               ; preds = %40
  %44 = load i32, ptr %10, align 4, !tbaa !5
  %45 = icmp sle i32 %44, 3
  br i1 %45, label %46, label %55

46:                                               ; preds = %43
  store i32 0, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %88

47:                                               ; preds = %34, %32
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %7, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #8
  br label %89

51:                                               ; preds = %40
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %7, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %8, align 4
  br label %89

55:                                               ; preds = %43
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #8
  %56 = load i32, ptr %10, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = invoke noalias noundef nonnull ptr @_Znam(i64 noundef %57) #9
          to label %59 unwind label %83

59:                                               ; preds = %55
  store ptr %58, ptr %12, align 8, !tbaa !9
  %60 = load ptr, ptr %12, align 8, !tbaa !9
  %61 = load i32, ptr %10, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi4readEPcl(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef %60, i64 noundef %62)
          to label %64 unwind label %83

64:                                               ; preds = %59
  %65 = load ptr, ptr %12, align 8, !tbaa !9
  %66 = getelementptr inbounds i8, ptr %65, i64 0
  %67 = load i8, ptr %66, align 1, !tbaa !11
  %68 = sext i8 %67 to i32
  %69 = icmp eq i32 %68, 122
  br i1 %69, label %70, label %87

70:                                               ; preds = %64
  %71 = load ptr, ptr %12, align 8, !tbaa !9
  %72 = getelementptr inbounds i8, ptr %71, i64 1
  %73 = load i8, ptr %72, align 1, !tbaa !11
  %74 = sext i8 %73 to i32
  %75 = icmp eq i32 %74, 97
  br i1 %75, label %76, label %87

76:                                               ; preds = %70
  %77 = load ptr, ptr %12, align 8, !tbaa !9
  %78 = getelementptr inbounds i8, ptr %77, i64 2
  %79 = load i8, ptr %78, align 1, !tbaa !11
  %80 = sext i8 %79 to i32
  %81 = icmp eq i32 %80, 99
  br i1 %81, label %82, label %87

82:                                               ; preds = %76
  call void @abort() #10
  unreachable

83:                                               ; preds = %59, %55
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %7, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #8
  br label %89

87:                                               ; preds = %76, %70, %64
  store i32 0, ptr %3, align 4
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #8
  br label %88

88:                                               ; preds = %87, %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  br label %90

89:                                               ; preds = %83, %51, %47
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  br label %91

90:                                               ; preds = %88, %25
  call void @_ZNSt13basic_fstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(264) %6) #8
  call void @llvm.lifetime.end.p0(i64 528, ptr %6) #8
  br label %92

91:                                               ; preds = %89, %26
  call void @_ZNSt13basic_fstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(264) %6) #8
  call void @llvm.lifetime.end.p0(i64 528, ptr %6) #8
  br label %94

92:                                               ; preds = %90, %15
  %93 = load i32, ptr %3, align 4
  ret i32 %93

94:                                               ; preds = %91
  %95 = load ptr, ptr %7, align 8
  %96 = load i32, ptr %8, align 4
  %97 = insertvalue { ptr, i32 } poison, ptr %95, 0
  %98 = insertvalue { ptr, i32 } %97, i32 %96, 1
  resume { ptr, i32 } %98
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare void @_ZNSt13basic_fstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(264)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt13basic_fstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef, i32 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZStorSt13_Ios_OpenmodeS_(i32 noundef, i32 noundef) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNSt13basic_fstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(264)) #4 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgElSt12_Ios_Seekdir(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i32 noundef) #5

declare { i64, i64 } @_ZNSi5tellgEv(ptr noundef nonnull align 8 dereferenceable(16)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt4fposI11__mbstate_tEcvlEv(ptr noundef nonnull align 8 dereferenceable(16)) #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #6

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi4readEPcl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef, i64 noundef) #5

; Function Attrs: noreturn nounwind
declare void @abort() #7

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt13basic_fstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(264)) unnamed_addr #4 align 2

attributes #0 = { mustprogress norecurse 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { 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 #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 = { "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 = { nobuiltin allocsize(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 #7 = { noreturn 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 #8 = { nounwind }
attributes #9 = { builtin allocsize(0) }
attributes #10 = { noreturn 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!7, !7, 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::basic_fstream" = type { %"class.std::basic_iostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_iostream.base" = type { %"class.std::basic_istream.base", %"class.std::basic_ostream.base" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::fpos" = type { i64, %struct.__mbstate_t }

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::basic_fstream", align 8
  %4 = alloca %"class.std::fpos", align 8
  %5 = icmp slt i32 %0, 2
  br i1 %5, label %52, label %6

6:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 528, ptr nonnull %3) #8
  call void @_ZNSt13basic_fstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(264) %3)
  %7 = getelementptr inbounds i8, ptr %1, i64 8
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  %9 = call noundef i32 @_ZStorSt13_Ios_OpenmodeS_(i32 noundef 8, i32 noundef 4)
  invoke void @_ZNSt13basic_fstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(264) %3, ptr noundef %8, i32 noundef %9)
          to label %10 unwind label %12

10:                                               ; preds = %6
  %11 = call noundef zeroext i1 @_ZNSt13basic_fstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(264) %3)
  br i1 %11, label %14, label %50

12:                                               ; preds = %14, %6
  %13 = landingpad { ptr, i32 }
          cleanup
  br label %51

14:                                               ; preds = %10
  %15 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgElSt12_Ios_Seekdir(ptr noundef nonnull align 8 dereferenceable(16) %3, i64 noundef 0, i32 noundef 2)
          to label %16 unwind label %12

16:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #8
  %17 = invoke { i64, i64 } @_ZNSi5tellgEv(ptr noundef nonnull align 8 dereferenceable(16) %3)
          to label %18 unwind label %27

18:                                               ; preds = %16
  %19 = extractvalue { i64, i64 } %17, 0
  store i64 %19, ptr %4, align 8
  %20 = getelementptr inbounds i8, ptr %4, i64 8
  %21 = extractvalue { i64, i64 } %17, 1
  store i64 %21, ptr %20, align 8
  %22 = call noundef i64 @_ZNKSt4fposI11__mbstate_tEcvlEv(ptr noundef nonnull align 8 dereferenceable(16) %4)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #8
  %23 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgElSt12_Ios_Seekdir(ptr noundef nonnull align 8 dereferenceable(16) %3, i64 noundef 0, i32 noundef 0)
          to label %24 unwind label %29

24:                                               ; preds = %18
  %25 = trunc i64 %22 to i32
  %26 = icmp slt i32 %25, 4
  br i1 %26, label %50, label %31

27:                                               ; preds = %16
  %28 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #8
  br label %51

29:                                               ; preds = %18
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %51

31:                                               ; preds = %24
  %32 = and i64 %22, 2147483647
  %33 = invoke noalias noundef nonnull ptr @_Znam(i64 noundef %32) #9
          to label %34 unwind label %48

34:                                               ; preds = %31
  %35 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi4readEPcl(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull %33, i64 noundef %32)
          to label %36 unwind label %48

36:                                               ; preds = %34
  %37 = load i8, ptr %33, align 1, !tbaa !9
  %38 = icmp eq i8 %37, 122
  br i1 %38, label %39, label %50

39:                                               ; preds = %36
  %40 = getelementptr inbounds i8, ptr %33, i64 1
  %41 = load i8, ptr %40, align 1, !tbaa !9
  %42 = icmp eq i8 %41, 97
  br i1 %42, label %43, label %50

43:                                               ; preds = %39
  %44 = getelementptr inbounds i8, ptr %33, i64 2
  %45 = load i8, ptr %44, align 1, !tbaa !9
  %46 = icmp eq i8 %45, 99
  br i1 %46, label %47, label %50

47:                                               ; preds = %43
  call void @abort() #10
  unreachable

48:                                               ; preds = %34, %31
  %49 = landingpad { ptr, i32 }
          cleanup
  br label %51

50:                                               ; preds = %24, %43, %39, %36, %10
  call void @_ZNSt13basic_fstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(264) %3) #8
  call void @llvm.lifetime.end.p0(i64 528, ptr nonnull %3) #8
  br label %52

51:                                               ; preds = %27, %29, %48, %12
  %.pn.pn = phi { ptr, i32 } [ %13, %12 ], [ %49, %48 ], [ %30, %29 ], [ %28, %27 ]
  call void @_ZNSt13basic_fstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(264) %3) #8
  call void @llvm.lifetime.end.p0(i64 528, ptr nonnull %3) #8
  resume { ptr, i32 } %.pn.pn

52:                                               ; preds = %2, %50
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare void @_ZNSt13basic_fstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(264)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt13basic_fstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef, i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZStorSt13_Ios_OpenmodeS_(i32 noundef, i32 noundef) local_unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNSt13basic_fstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgElSt12_Ios_Seekdir(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i32 noundef) local_unnamed_addr #5

declare { i64, i64 } @_ZNSi5tellgEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt4fposI11__mbstate_tEcvlEv(ptr noundef nonnull align 8 dereferenceable(16)) local_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) #1

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #6

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi4readEPcl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef, i64 noundef) local_unnamed_addr #5

; Function Attrs: noreturn nounwind
declare void @abort() local_unnamed_addr #7

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt13basic_fstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(264)) unnamed_addr #4 align 2

attributes #0 = { mustprogress norecurse 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { 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 #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 = { "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 = { nobuiltin allocsize(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 #7 = { noreturn 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 #8 = { nounwind }
attributes #9 = { builtin allocsize(0) }
attributes #10 = { noreturn 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 = !{!7, !7, i64 0}


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