; LLVM IR from brpapa/algorithms :: solutions/codeforces (1249-B2)

; 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_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"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::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%class.UFDS = type <{ %"class.std::vector", %"class.std::vector", i32, [4 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %class.UFDS, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  %10 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  br label %11

11:                                               ; preds = %65, %0
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = add nsw i32 %12, -1
  store i32 %13, ptr %2, align 4, !tbaa !5
  %14 = icmp ne i32 %12, 0
  br i1 %14, label %15, label %71

15:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 56, ptr %4) #6
  %17 = load i32, ptr %3, align 4, !tbaa !5
  %18 = add nsw i32 %17, 1
  call void @_ZN4UFDSC2Ei(ptr noundef nonnull align 8 dereferenceable(52) %4, i32 noundef %18)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 1, ptr %5, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %30, %15
  %20 = load i32, ptr %5, align 4, !tbaa !5
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = icmp sle i32 %20, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %37

24:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  %25 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %26 unwind label %33

26:                                               ; preds = %24
  %27 = load i32, ptr %6, align 4, !tbaa !5
  %28 = load i32, ptr %5, align 4, !tbaa !5
  invoke void @_ZN4UFDS8unionSetEii(ptr noundef nonnull align 8 dereferenceable(52) %4, i32 noundef %27, i32 noundef %28)
          to label %29 unwind label %33

29:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %30

30:                                               ; preds = %29
  %31 = load i32, ptr %5, align 4, !tbaa !5
  %32 = add nsw i32 %31, 1
  store i32 %32, ptr %5, align 4, !tbaa !5
  br label %19, !llvm.loop !9

33:                                               ; preds = %26, %24
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %7, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %70

37:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 1, ptr %9, align 4, !tbaa !5
  br label %38

38:                                               ; preds = %51, %37
  %39 = load i32, ptr %9, align 4, !tbaa !5
  %40 = load i32, ptr %3, align 4, !tbaa !5
  %41 = icmp slt i32 %39, %40
  br i1 %41, label %43, label %42

42:                                               ; preds = %38
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %58

43:                                               ; preds = %38
  %44 = load i32, ptr %9, align 4, !tbaa !5
  %45 = invoke noundef i32 @_ZN4UFDS9sizeOfSetEi(ptr noundef nonnull align 8 dereferenceable(52) %4, i32 noundef %44)
          to label %46 unwind label %54

46:                                               ; preds = %43
  %47 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %45)
          to label %48 unwind label %54

48:                                               ; preds = %46
  %49 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %47, ptr noundef @.str)
          to label %50 unwind label %54

50:                                               ; preds = %48
  br label %51

51:                                               ; preds = %50
  %52 = load i32, ptr %9, align 4, !tbaa !5
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %9, align 4, !tbaa !5
  br label %38, !llvm.loop !11

54:                                               ; preds = %48, %46, %43
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %7, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %70

58:                                               ; preds = %42
  %59 = load i32, ptr %3, align 4, !tbaa !5
  %60 = invoke noundef i32 @_ZN4UFDS9sizeOfSetEi(ptr noundef nonnull align 8 dereferenceable(52) %4, i32 noundef %59)
          to label %61 unwind label %66

61:                                               ; preds = %58
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %60)
          to label %63 unwind label %66

63:                                               ; preds = %61
  %64 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %62, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %65 unwind label %66

65:                                               ; preds = %63
  call void @_ZN4UFDSD2Ev(ptr noundef nonnull align 8 dereferenceable(52) %4) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %11, !llvm.loop !12

66:                                               ; preds = %63, %61, %58
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %7, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %8, align 4
  br label %70

70:                                               ; preds = %66, %54, %33
  call void @_ZN4UFDSD2Ev(ptr noundef nonnull align 8 dereferenceable(52) %4) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %72

71:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  ret i32 0

72:                                               ; preds = %70
  %73 = load ptr, ptr %7, align 8
  %74 = load i32, ptr %8, align 4
  %75 = insertvalue { ptr, i32 } poison, ptr %73, 0
  %76 = insertvalue { ptr, i32 } %75, i32 %74, 1
  resume { ptr, i32 } %76
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4UFDSC2Ei(ptr noundef nonnull align 8 dereferenceable(52), i32 noundef) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4UFDS8unionSetEii(ptr noundef nonnull align 8 dereferenceable(52), i32 noundef, i32 noundef) #3 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: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN4UFDS9sizeOfSetEi(ptr noundef nonnull align 8 dereferenceable(52), i32 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN4UFDSD2Ev(ptr noundef nonnull align 8 dereferenceable(52)) unnamed_addr #5 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 = { "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 = { 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 = { 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 #5 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


; 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_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"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::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%class.UFDS = type <{ %"class.std::vector", %"class.std::vector", i32, [4 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %class.UFDS, align 8
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %5 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %6 = load i32, ptr %1, align 4, !tbaa !5
  %7 = add nsw i32 %6, -1
  store i32 %7, ptr %1, align 4, !tbaa !5
  %.not18 = icmp eq i32 %6, 0
  br i1 %.not18, label %._crit_edge21, label %.lr.ph20

.lr.ph20:                                         ; preds = %0, %37
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %8 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %3) #6
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = add nsw i32 %9, 1
  call void @_ZN4UFDSC2Ei(ptr noundef nonnull align 8 dereferenceable(52) %3, i32 noundef %10)
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %.not1114 = icmp slt i32 %11, 1
  br i1 %.not1114, label %._crit_edge, label %.lr.ph

.preheader:                                       ; preds = %16
  %12 = icmp sgt i32 %18, 1
  br i1 %12, label %.lr.ph17, label %._crit_edge

.lr.ph:                                           ; preds = %.lr.ph20, %16
  %.0915 = phi i32 [ %17, %16 ], [ 1, %.lr.ph20 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  %13 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %14 unwind label %19

14:                                               ; preds = %.lr.ph
  %15 = load i32, ptr %4, align 4, !tbaa !5
  invoke void @_ZN4UFDS8unionSetEii(ptr noundef nonnull align 8 dereferenceable(52) %3, i32 noundef %15, i32 noundef %.0915)
          to label %16 unwind label %19

16:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  %17 = add nuw nsw i32 %.0915, 1
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %.not11.not = icmp slt i32 %.0915, %18
  br i1 %.not11.not, label %.lr.ph, label %.preheader, !llvm.loop !9

19:                                               ; preds = %14, %.lr.ph
  %20 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %42

._crit_edge:                                      ; preds = %27, %.lr.ph20, %.preheader
  %.lcssa = phi i32 [ %18, %.preheader ], [ %11, %.lr.ph20 ], [ %29, %27 ]
  %21 = invoke noundef i32 @_ZN4UFDS9sizeOfSetEi(ptr noundef nonnull align 8 dereferenceable(52) %3, i32 noundef %.lcssa)
          to label %33 unwind label %40

.lr.ph17:                                         ; preds = %.preheader, %27
  %.016 = phi i32 [ %28, %27 ], [ 1, %.preheader ]
  %22 = invoke noundef i32 @_ZN4UFDS9sizeOfSetEi(ptr noundef nonnull align 8 dereferenceable(52) %3, i32 noundef %.016)
          to label %23 unwind label %31

23:                                               ; preds = %.lr.ph17
  %24 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %22)
          to label %25 unwind label %31

25:                                               ; preds = %23
  %26 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %24, ptr noundef nonnull @.str)
          to label %27 unwind label %31

27:                                               ; preds = %25
  %28 = add nuw nsw i32 %.016, 1
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %.lr.ph17, label %._crit_edge, !llvm.loop !11

31:                                               ; preds = %25, %23, %.lr.ph17
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %42

33:                                               ; preds = %._crit_edge
  %34 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %21)
          to label %35 unwind label %40

35:                                               ; preds = %33
  %36 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %34, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %37 unwind label %40

37:                                               ; preds = %35
  call void @_ZN4UFDSD2Ev(ptr noundef nonnull align 8 dereferenceable(52) %3) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  %38 = load i32, ptr %1, align 4, !tbaa !5
  %39 = add nsw i32 %38, -1
  store i32 %39, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %38, 0
  br i1 %.not, label %._crit_edge21, label %.lr.ph20, !llvm.loop !12

40:                                               ; preds = %35, %33, %._crit_edge
  %41 = landingpad { ptr, i32 }
          cleanup
  br label %42

42:                                               ; preds = %40, %31, %19
  %.pn = phi { ptr, i32 } [ %20, %19 ], [ %32, %31 ], [ %41, %40 ]
  call void @_ZN4UFDSD2Ev(ptr noundef nonnull align 8 dereferenceable(52) %3) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn

._crit_edge21:                                    ; preds = %37, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4UFDSC2Ei(ptr noundef nonnull align 8 dereferenceable(52), i32 noundef) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4UFDS8unionSetEii(ptr noundef nonnull align 8 dereferenceable(52), i32 noundef, i32 noundef) local_unnamed_addr #3 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: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN4UFDS9sizeOfSetEi(ptr noundef nonnull align 8 dereferenceable(52), i32 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN4UFDSD2Ev(ptr noundef nonnull align 8 dereferenceable(52)) unnamed_addr #5 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 = { "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 = { 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 = { 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 #5 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass