; LLVM IR from zchrissirhcz/pixel :: legacy/contrib/imsearch/find-duplicated-images/method1 (check-duplicated)

; 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::allocator.0" = type { i8 }

@.str = external hidden unnamed_addr constant [2 x i8], align 1
@stderr = external global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [19 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z21read_txt_line_by_linePKcRSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS7_EE(ptr noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca [1024 x i8], align 16
  %7 = alloca ptr, align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::allocator.0", align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #8
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = call noalias ptr @fopen(ptr noundef %12, ptr noundef @.str)
  store ptr %13, ptr %5, align 8, !tbaa !5
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = icmp eq ptr %14, null
  br i1 %15, label %16, label %20

16:                                               ; preds = %2
  %17 = load ptr, ptr @stderr, align 8, !tbaa !5
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %17, ptr noundef @.str.1, ptr noundef %18) #8
  call void @exit(i32 noundef -1) #9
  unreachable

20:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 1024, ptr %6) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #8
  br label %21

21:                                               ; preds = %81, %20
  br label %22

22:                                               ; preds = %21
  %23 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 0
  call void @llvm.memset.p0.i64(ptr align 16 %23, i8 0, i64 1024, i1 false)
  %24 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 0
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = call ptr @fgets(ptr noundef %24, i32 noundef 1024, ptr noundef %25)
  store ptr %26, ptr %7, align 8, !tbaa !5
  %27 = load ptr, ptr %7, align 8, !tbaa !5
  %28 = icmp eq ptr %27, null
  br i1 %28, label %29, label %30

29:                                               ; preds = %22
  br label %91

30:                                               ; preds = %22
  %31 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 0
  %32 = call i64 @strlen(ptr noundef %31) #10
  %33 = sub i64 %32, 1
  %34 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 %33
  %35 = load i8, ptr %34, align 1, !tbaa !9
  %36 = sext i8 %35 to i32
  %37 = icmp eq i32 %36, 10
  br i1 %37, label %46, label %38

38:                                               ; preds = %30
  %39 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 0
  %40 = call i64 @strlen(ptr noundef %39) #10
  %41 = sub i64 %40, 1
  %42 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 %41
  %43 = load i8, ptr %42, align 1, !tbaa !9
  %44 = sext i8 %43 to i32
  %45 = icmp eq i32 %44, 13
  br i1 %45, label %46, label %51

46:                                               ; preds = %38, %30
  %47 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 0
  %48 = call i64 @strlen(ptr noundef %47) #10
  %49 = sub i64 %48, 1
  %50 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 %49
  store i8 0, ptr %50, align 1, !tbaa !9
  br label %51

51:                                               ; preds = %46, %38
  %52 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 0
  %53 = call i64 @strlen(ptr noundef %52) #10
  %54 = icmp ugt i64 %53, 0
  br i1 %54, label %55, label %77

55:                                               ; preds = %51
  %56 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 0
  %57 = call i64 @strlen(ptr noundef %56) #10
  %58 = sub i64 %57, 1
  %59 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 %58
  %60 = load i8, ptr %59, align 1, !tbaa !9
  %61 = sext i8 %60 to i32
  %62 = icmp eq i32 %61, 13
  br i1 %62, label %71, label %63

63:                                               ; preds = %55
  %64 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 0
  %65 = call i64 @strlen(ptr noundef %64) #10
  %66 = sub i64 %65, 1
  %67 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 %66
  %68 = load i8, ptr %67, align 1, !tbaa !9
  %69 = sext i8 %68 to i32
  %70 = icmp eq i32 %69, 10
  br i1 %70, label %71, label %76

71:                                               ; preds = %63, %55
  %72 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 0
  %73 = call i64 @strlen(ptr noundef %72) #10
  %74 = sub i64 %73, 1
  %75 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 %74
  store i8 0, ptr %75, align 1, !tbaa !9
  br label %76

76:                                               ; preds = %71, %63
  br label %77

77:                                               ; preds = %76, %51
  %78 = load ptr, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #8
  %79 = getelementptr inbounds [1024 x i8], ptr %6, i64 0, i64 0
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef %79, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %80 unwind label %82

80:                                               ; preds = %77
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %78, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %81 unwind label %86

81:                                               ; preds = %80
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #8
  br label %21, !llvm.loop !10

82:                                               ; preds = %77
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %10, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %11, align 4
  br label %90

86:                                               ; preds = %80
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %10, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %11, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #8
  br label %90

90:                                               ; preds = %86, %82
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  call void @llvm.lifetime.end.p0(i64 1024, ptr %6) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #8
  br label %94

91:                                               ; preds = %29
  %92 = load ptr, ptr %5, align 8, !tbaa !5
  %93 = call i32 @fclose(ptr noundef %92)
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  call void @llvm.lifetime.end.p0(i64 1024, ptr %6) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #8
  ret void

94:                                               ; preds = %90
  %95 = load ptr, ptr %10, align 8
  %96 = load i32, ptr %11, 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

declare noalias ptr @fopen(ptr noundef, ptr noundef) #2

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #3

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #4

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #5

declare ptr @fgets(ptr noundef, i32 noundef, ptr noundef) #2

; Function Attrs: nounwind willreturn memory(read)
declare i64 @strlen(ptr noundef) #6

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #7 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #7 align 2

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

declare i32 @fclose(ptr noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #7 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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 #5 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #6 = { nounwind willreturn memory(read) "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 = { 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 #8 = { nounwind }
attributes #9 = { noreturn nounwind }
attributes #10 = { nounwind willreturn memory(read) }

!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::allocator.0" = type { i8 }

@.str = external hidden unnamed_addr constant [2 x i8], align 1
@stderr = external local_unnamed_addr global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [19 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z21read_txt_line_by_linePKcRSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS7_EE(ptr noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca [1024 x i8], align 16
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::allocator.0", align 1
  %6 = tail call noalias ptr @fopen(ptr noundef %0, ptr noundef nonnull @.str)
  %7 = icmp eq ptr %6, null
  br i1 %7, label %8, label %11

8:                                                ; preds = %2
  %9 = load ptr, ptr @stderr, align 8, !tbaa !5
  %10 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %9, ptr noundef nonnull @.str.1, ptr noundef %0) #7
  tail call void @exit(i32 noundef -1) #8
  unreachable

11:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 1024, ptr nonnull %3) #9
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(1024) %3, i8 0, i64 1024, i1 false)
  %12 = call ptr @fgets(ptr noundef nonnull %3, i32 noundef 1024, ptr noundef nonnull %6)
  %13 = icmp eq ptr %12, null
  br i1 %13, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %11, %28
  %14 = call i64 @strlen(ptr noundef nonnull dereferenceable(1) %3) #10
  %15 = add i64 %14, -1
  %16 = getelementptr inbounds [1024 x i8], ptr %3, i64 0, i64 %15
  %17 = load i8, ptr %16, align 1, !tbaa !9
  switch i8 %17, label %19 [
    i8 10, label %18
    i8 13, label %18
  ]

18:                                               ; preds = %.lr.ph, %.lr.ph
  store i8 0, ptr %16, align 1, !tbaa !9
  br label %19

19:                                               ; preds = %.lr.ph, %18
  %20 = call i64 @strlen(ptr noundef nonnull dereferenceable(1) %3) #10
  %.not = icmp eq i64 %20, 0
  br i1 %.not, label %26, label %21

21:                                               ; preds = %19
  %22 = add i64 %20, -1
  %23 = getelementptr inbounds [1024 x i8], ptr %3, i64 0, i64 %22
  %24 = load i8, ptr %23, align 1, !tbaa !9
  switch i8 %24, label %26 [
    i8 13, label %25
    i8 10, label %25
  ]

25:                                               ; preds = %21, %21
  store i8 0, ptr %23, align 1, !tbaa !9
  br label %26

26:                                               ; preds = %21, %25, %19
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #9
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #9
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #9
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull %3, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %27 unwind label %31

27:                                               ; preds = %26
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %28 unwind label %33

28:                                               ; preds = %27
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #9
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #9
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #9
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #9
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(1024) %3, i8 0, i64 1024, i1 false)
  %29 = call ptr @fgets(ptr noundef nonnull %3, i32 noundef 1024, ptr noundef nonnull %6)
  %30 = icmp eq ptr %29, null
  br i1 %30, label %._crit_edge, label %.lr.ph, !llvm.loop !10

31:                                               ; preds = %26
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %35

33:                                               ; preds = %27
  %34 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #9
  br label %35

35:                                               ; preds = %33, %31
  %.pn = phi { ptr, i32 } [ %34, %33 ], [ %32, %31 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #9
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #9
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #9
  call void @llvm.lifetime.end.p0(i64 1024, ptr nonnull %3) #9
  resume { ptr, i32 } %.pn

._crit_edge:                                      ; preds = %28, %11
  %36 = call i32 @fclose(ptr noundef nonnull %6)
  call void @llvm.lifetime.end.p0(i64 1024, ptr nonnull %3) #9
  ret void
}

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

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: nofree nounwind
declare noundef ptr @fgets(ptr noundef, i32 noundef, ptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #6 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #6 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: nofree nounwind
declare noundef i32 @fclose(ptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #6 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nofree 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 #3 = { 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 #4 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 = { 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 #7 = { cold nounwind }
attributes #8 = { noreturn nounwind }
attributes #9 = { nounwind }
attributes #10 = { nounwind willreturn memory(read) }

!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"}


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