; LLVM IR from DionysiosB/CodeForces :: 0300-0399 (320B-PingPongEasyVersion)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"struct.std::pair" = type { i64, i64 }
%"struct.std::_Bit_reference" = type { ptr, i64 }

@intervals = external dso_local global %"class.std::vector", align 8
@visited = external dso_local global %"class.std::vector.0", align 8
@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsl(i64 noundef) #0

; 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 dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 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: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"struct.std::pair", align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca %"struct.std::_Bit_reference", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 16, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !5
  call void @_ZNSt4pairIllEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
  call void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @intervals, ptr noundef nonnull align 8 dereferenceable(16) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %3) #5
  br label %12

12:                                               ; preds = %40, %0
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = add nsw i32 %13, -1
  store i32 %14, ptr %2, align 4, !tbaa !5
  %15 = icmp ne i32 %13, 0
  br i1 %15, label %16, label %41

16:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %6, ptr noundef %7, ptr noundef %8)
  %18 = load i64, ptr %6, align 8, !tbaa !9
  %19 = icmp eq i64 %18, 1
  br i1 %19, label %20, label %21

20:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #5
  call void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8)
  call void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @intervals, ptr noundef nonnull align 8 dereferenceable(16) %9)
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #5
  br label %40

21:                                               ; preds = %16
  %22 = load i64, ptr %6, align 8, !tbaa !9
  %23 = icmp eq i64 %22, 2
  br i1 %23, label %24, label %39

24:                                               ; preds = %21
  call void @_ZNSt6vectorIbSaIbEE5clearEv(ptr noundef nonnull align 8 dereferenceable(40) @visited) #5
  %25 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @intervals) #5
  call void @_ZNSt6vectorIbSaIbEE6resizeEmb(ptr noundef nonnull align 8 dereferenceable(40) @visited, i64 noundef %25, i1 noundef zeroext false)
  %26 = load i64, ptr %7, align 8, !tbaa !9
  call void @_Z3dfsl(i64 noundef %26)
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #5
  %27 = load i64, ptr %8, align 8, !tbaa !9
  %28 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) @visited, i64 noundef %27)
  %29 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 0
  %30 = extractvalue { ptr, i64 } %28, 0
  store ptr %30, ptr %29, align 8
  %31 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 1
  %32 = extractvalue { ptr, i64 } %28, 1
  store i64 %32, ptr %31, align 8
  %33 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %10) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #5
  br i1 %33, label %34, label %36

34:                                               ; preds = %24
  %35 = call i32 @puts(ptr noundef @.str.3)
  br label %38

36:                                               ; preds = %24
  %37 = call i32 @puts(ptr noundef @.str.4)
  br label %38

38:                                               ; preds = %36, %34
  br label %39

39:                                               ; preds = %38, %21
  br label %40

40:                                               ; preds = %39, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %12, !llvm.loop !11

41:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEE5clearEv(ptr noundef nonnull align 8 dereferenceable(40)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEE6resizeEmb(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, i1 noundef zeroext) #0 align 2

declare i32 @puts(ptr noundef) #4

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 = { 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 #3 = { 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 #4 = { "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 = { 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 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"struct.std::pair" = type { i64, i64 }
%"struct.std::_Bit_reference" = type { ptr, i64 }

@intervals = external dso_local global %"class.std::vector", align 8
@visited = external dso_local global %"class.std::vector.0", align 8
@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsl(i64 noundef) local_unnamed_addr #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 dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 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: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  %2 = alloca %"struct.std::pair", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca %"struct.std::_Bit_reference", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @_ZNSt4pairIllEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @intervals, ptr noundef nonnull align 8 dereferenceable(16) %2)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #5
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %12 = add nsw i32 %11, -1
  store i32 %12, ptr %1, align 4, !tbaa !5
  %.not1 = icmp eq i32 %11, 0
  br i1 %.not1, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0
  %13 = getelementptr inbounds i8, ptr %9, i64 8
  br label %14

14:                                               ; preds = %.lr.ph, %30
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %5, ptr noundef nonnull %6, ptr noundef nonnull %7)
  %16 = load i64, ptr %5, align 8, !tbaa !9
  switch i64 %16, label %30 [
    i64 1, label %17
    i64 2, label %18
  ]

17:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #5
  call void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %8, ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7)
  call void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @intervals, ptr noundef nonnull align 8 dereferenceable(16) %8)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #5
  br label %30

18:                                               ; preds = %14
  call void @_ZNSt6vectorIbSaIbEE5clearEv(ptr noundef nonnull align 8 dereferenceable(40) @visited) #5
  %19 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @intervals) #5
  call void @_ZNSt6vectorIbSaIbEE6resizeEmb(ptr noundef nonnull align 8 dereferenceable(40) @visited, i64 noundef %19, i1 noundef zeroext false)
  %20 = load i64, ptr %6, align 8, !tbaa !9
  call void @_Z3dfsl(i64 noundef %20)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #5
  %21 = load i64, ptr %7, align 8, !tbaa !9
  %22 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) @visited, i64 noundef %21)
  %23 = extractvalue { ptr, i64 } %22, 0
  store ptr %23, ptr %9, align 8
  %24 = extractvalue { ptr, i64 } %22, 1
  store i64 %24, ptr %13, align 8
  %25 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %9) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #5
  br i1 %25, label %26, label %28

26:                                               ; preds = %18
  %27 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.3)
  br label %30

28:                                               ; preds = %18
  %29 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.4)
  br label %30

30:                                               ; preds = %14, %28, %26, %17
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  %31 = load i32, ptr %1, align 4, !tbaa !5
  %32 = add nsw i32 %31, -1
  store i32 %32, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %31, 0
  br i1 %.not, label %._crit_edge, label %14, !llvm.loop !11

._crit_edge:                                      ; preds = %30, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEE5clearEv(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEE6resizeEmb(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, i1 noundef zeroext) local_unnamed_addr #0 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #4

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 = { 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 #3 = { 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 #4 = { 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 #5 = { 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 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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