; LLVM IR from eyangch/competitive-programming :: USACOcontests/silver/2022.12/barn_tree.ll (Z3dfsxx)

; 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<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type { i64, i64 }

@H = external dso_local global [200000 x i64], align 16
@up = external dso_local global [200000 x i64], align 16
@T = external dso_local global i64, align 8
@in = external dso_local global [200000 x i64], align 16
@G = external dso_local global [200000 x %"class.std::vector"], align 16
@G2 = external dso_local global [200000 x %"class.std::vector.0"], align 16

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z3dfsxx(i64 noundef %0, i64 noundef %1) #0 {
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca %"struct.std::pair", align 8
  %13 = alloca i64, align 8
  %14 = alloca %"struct.std::pair", align 8
  store i64 %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %15 = load i64, ptr %3, align 8, !tbaa !5
  %16 = getelementptr inbounds [200000 x i64], ptr @H, i64 0, i64 %15
  %17 = load i64, ptr %16, align 8, !tbaa !5
  store i64 %17, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %18 = load i64, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds [200000 x %"class.std::vector"], ptr @G, i64 0, i64 %18
  store ptr %19, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %20 = load ptr, ptr %6, align 8, !tbaa !9
  %21 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %20) #4
  %22 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %21, ptr %22, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %23 = load ptr, ptr %6, align 8, !tbaa !9
  %24 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %23) #4
  %25 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %24, ptr %25, align 8
  br label %26

26:                                               ; preds = %60, %2
  %27 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %27, label %29, label %28

28:                                               ; preds = %26
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %62

29:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  %31 = load i64, ptr %30, align 8, !tbaa !5
  store i64 %31, ptr %10, align 8, !tbaa !5
  %32 = load i64, ptr %10, align 8, !tbaa !5
  %33 = load i64, ptr %4, align 8, !tbaa !5
  %34 = icmp eq i64 %32, %33
  br i1 %34, label %35, label %36

35:                                               ; preds = %29
  store i32 3, ptr %9, align 4
  br label %57

36:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %37 = load i64, ptr %10, align 8, !tbaa !5
  %38 = load i64, ptr %3, align 8, !tbaa !5
  %39 = call noundef i64 @_Z3dfsxx(i64 noundef %37, i64 noundef %38)
  store i64 %39, ptr %11, align 8, !tbaa !5
  %40 = load i64, ptr %11, align 8, !tbaa !5
  %41 = icmp slt i64 %40, 0
  br i1 %41, label %42, label %53

42:                                               ; preds = %36
  %43 = load i64, ptr %10, align 8, !tbaa !5
  %44 = getelementptr inbounds [200000 x %"class.std::vector.0"], ptr @G2, i64 0, i64 %43
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %45 = load i64, ptr %10, align 8, !tbaa !5
  %46 = getelementptr inbounds [200000 x i64], ptr @up, i64 0, i64 %45
  %47 = load i64, ptr %46, align 8, !tbaa !5
  %48 = sub nsw i64 0, %47
  store i64 %48, ptr %13, align 8, !tbaa !5
  call void @_ZNSt4pairIxxEC2IRxxTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %13)
  call void @_ZNSt6vectorISt4pairIxxESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %44, ptr noundef nonnull align 8 dereferenceable(16) %12)
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #4
  %49 = load i64, ptr %3, align 8, !tbaa !5
  %50 = getelementptr inbounds [200000 x i64], ptr @in, i64 0, i64 %49
  %51 = load i64, ptr %50, align 8, !tbaa !5
  %52 = add nsw i64 %51, 1
  store i64 %52, ptr %50, align 8, !tbaa !5
  br label %53

53:                                               ; preds = %42, %36
  %54 = load i64, ptr %11, align 8, !tbaa !5
  %55 = load i64, ptr %5, align 8, !tbaa !5
  %56 = sub nsw i64 %55, %54
  store i64 %56, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  store i32 0, ptr %9, align 4
  br label %57

57:                                               ; preds = %53, %35
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  %58 = load i32, ptr %9, align 4
  switch i32 %58, label %85 [
    i32 0, label %59
    i32 3, label %60
  ]

59:                                               ; preds = %57
  br label %60

60:                                               ; preds = %59, %57
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br label %26

62:                                               ; preds = %28
  %63 = load i64, ptr @T, align 8, !tbaa !5
  %64 = load i64, ptr %5, align 8, !tbaa !5
  %65 = sub nsw i64 %63, %64
  %66 = load i64, ptr %3, align 8, !tbaa !5
  %67 = getelementptr inbounds [200000 x i64], ptr @up, i64 0, i64 %66
  store i64 %65, ptr %67, align 8, !tbaa !5
  %68 = load i64, ptr %3, align 8, !tbaa !5
  %69 = getelementptr inbounds [200000 x i64], ptr @up, i64 0, i64 %68
  %70 = load i64, ptr %69, align 8, !tbaa !5
  %71 = icmp sgt i64 %70, 0
  br i1 %71, label %72, label %81

72:                                               ; preds = %62
  %73 = load i64, ptr %4, align 8, !tbaa !5
  %74 = getelementptr inbounds [200000 x %"class.std::vector.0"], ptr @G2, i64 0, i64 %73
  call void @llvm.lifetime.start.p0(i64 16, ptr %14) #4
  %75 = load i64, ptr %3, align 8, !tbaa !5
  %76 = getelementptr inbounds [200000 x i64], ptr @up, i64 0, i64 %75
  call void @_ZNSt4pairIxxEC2IRxS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %76)
  call void @_ZNSt6vectorISt4pairIxxESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %74, ptr noundef nonnull align 8 dereferenceable(16) %14)
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #4
  %77 = load i64, ptr %3, align 8, !tbaa !5
  %78 = getelementptr inbounds [200000 x i64], ptr @in, i64 0, i64 %77
  %79 = load i64, ptr %78, align 8, !tbaa !5
  %80 = add nsw i64 %79, 1
  store i64 %80, ptr %78, align 8, !tbaa !5
  br label %81

81:                                               ; preds = %72, %62
  %82 = load i64, ptr %3, align 8, !tbaa !5
  %83 = getelementptr inbounds [200000 x i64], ptr @up, i64 0, i64 %82
  %84 = load i64, ptr %83, align 8, !tbaa !5
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  ret i64 %84

85:                                               ; preds = %57
  unreachable
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxxESaIS1_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 @_ZNSt4pairIxxEC2IRxxTnNSt9enable_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: 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 nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIxxEC2IRxS2_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

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 = { 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 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type { i64, i64 }

@H = external dso_local local_unnamed_addr global [200000 x i64], align 16
@up = external dso_local global [200000 x i64], align 16
@T = external dso_local local_unnamed_addr global i64, align 8
@in = external dso_local local_unnamed_addr global [200000 x i64], align 16
@G = external dso_local global [200000 x %"class.std::vector"], align 16
@G2 = external dso_local global [200000 x %"class.std::vector.0"], align 16

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z3dfsxx(i64 noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = alloca i64, align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca i64, align 8
  %8 = alloca %"struct.std::pair", align 8
  store i64 %0, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds [200000 x i64], ptr @H, i64 0, i64 %0
  %10 = load i64, ptr %9, align 8, !tbaa !5
  %11 = getelementptr inbounds [200000 x %"class.std::vector"], ptr @G, i64 0, i64 %0
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %12 = tail call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #4
  store ptr %12, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %13 = tail call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #4
  store ptr %13, ptr %5, align 8
  %14 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %14, label %.lr.ph, label %._crit_edge

._crit_edge.loopexit:                             ; preds = %38
  %.pre = load i64, ptr %3, align 8, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %2
  %15 = phi i64 [ %0, %2 ], [ %.pre, %._crit_edge.loopexit ]
  %.0.lcssa = phi i64 [ %10, %2 ], [ %.1, %._crit_edge.loopexit ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  %16 = load i64, ptr @T, align 8, !tbaa !5
  %17 = sub nsw i64 %16, %.0.lcssa
  %18 = getelementptr inbounds [200000 x i64], ptr @up, i64 0, i64 %15
  store i64 %17, ptr %18, align 8, !tbaa !5
  %19 = icmp sgt i64 %17, 0
  br i1 %19, label %41, label %47

.lr.ph:                                           ; preds = %2, %38
  %.012 = phi i64 [ %.1, %38 ], [ %10, %2 ]
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %21 = load i64, ptr %20, align 8, !tbaa !5
  %22 = icmp eq i64 %21, %1
  br i1 %22, label %38, label %23

23:                                               ; preds = %.lr.ph
  %24 = load i64, ptr %3, align 8, !tbaa !5
  %25 = call noundef i64 @_Z3dfsxx(i64 noundef %21, i64 noundef %24)
  %26 = icmp slt i64 %25, 0
  br i1 %26, label %27, label %36

27:                                               ; preds = %23
  %28 = getelementptr inbounds [200000 x %"class.std::vector.0"], ptr @G2, i64 0, i64 %21
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %29 = getelementptr inbounds [200000 x i64], ptr @up, i64 0, i64 %21
  %30 = load i64, ptr %29, align 8, !tbaa !5
  %31 = sub nsw i64 0, %30
  store i64 %31, ptr %7, align 8, !tbaa !5
  call void @_ZNSt4pairIxxEC2IRxxTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %7)
  call void @_ZNSt6vectorISt4pairIxxESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %28, ptr noundef nonnull align 8 dereferenceable(16) %6)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #4
  %32 = load i64, ptr %3, align 8, !tbaa !5
  %33 = getelementptr inbounds [200000 x i64], ptr @in, i64 0, i64 %32
  %34 = load i64, ptr %33, align 8, !tbaa !5
  %35 = add nsw i64 %34, 1
  store i64 %35, ptr %33, align 8, !tbaa !5
  br label %36

36:                                               ; preds = %27, %23
  %37 = sub nsw i64 %.012, %25
  br label %38

38:                                               ; preds = %.lr.ph, %36
  %.1 = phi i64 [ %37, %36 ], [ %.012, %.lr.ph ]
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %40 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %40, label %.lr.ph, label %._crit_edge.loopexit

41:                                               ; preds = %._crit_edge
  %42 = getelementptr inbounds [200000 x %"class.std::vector.0"], ptr @G2, i64 0, i64 %1
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #4
  call void @_ZNSt4pairIxxEC2IRxS2_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) %3, ptr noundef nonnull align 8 dereferenceable(8) %18)
  call void @_ZNSt6vectorISt4pairIxxESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %42, ptr noundef nonnull align 8 dereferenceable(16) %8)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #4
  %43 = load i64, ptr %3, align 8, !tbaa !5
  %44 = getelementptr inbounds [200000 x i64], ptr @in, i64 0, i64 %43
  %45 = load i64, ptr %44, align 8, !tbaa !5
  %46 = add nsw i64 %45, 1
  store i64 %46, ptr %44, align 8, !tbaa !5
  %.phi.trans.insert = getelementptr inbounds [200000 x i64], ptr @up, i64 0, i64 %43
  %.pre13 = load i64, ptr %.phi.trans.insert, align 8, !tbaa !5
  br label %47

47:                                               ; preds = %41, %._crit_edge
  %48 = phi i64 [ %.pre13, %41 ], [ %17, %._crit_edge ]
  ret i64 %48
}

; 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxxESaIS1_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 @_ZNSt4pairIxxEC2IRxxTnNSt9enable_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 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 nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIxxEC2IRxS2_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

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 = { 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 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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