; LLVM IR from eyangch/competitive-programming :: AtCoder/arc117/d.ll (Z4dfs3xx)

; 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.__gnu_cxx::__normal_iterator" = type { ptr }

@G = external dso_local global [200000 x %"class.std::vector"], align 16
@mD = external dso_local global [200000 x i64], align 16
@E = external dso_local global [200000 x i64], align 16
@cE = external dso_local global i64, align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 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)) #2

; 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)) #1 align 2

; 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)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z4dfs3xx(i64 noundef %0, i64 noundef %1) #3 {
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca i32, align 4
  %11 = alloca i64, align 8
  %12 = alloca ptr, align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca i64, align 8
  store i64 %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !5
  %16 = load i64, ptr @cE, align 8, !tbaa !5
  %17 = add nsw i64 %16, 1
  store i64 %17, ptr @cE, align 8, !tbaa !5
  %18 = load i64, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds [200000 x i64], ptr @E, i64 0, i64 %18
  store i64 %16, ptr %19, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  store i64 0, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  store i64 -1, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %20 = load i64, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds [200000 x %"class.std::vector"], ptr @G, i64 0, i64 %20
  store ptr %21, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %22 = load ptr, ptr %7, align 8, !tbaa !9
  %23 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %22) #4
  %24 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %23, ptr %24, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %25 = load ptr, ptr %7, align 8, !tbaa !9
  %26 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #4
  %27 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %26, ptr %27, align 8
  br label %28

28:                                               ; preds = %53, %2
  %29 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  br i1 %29, label %31, label %30

30:                                               ; preds = %28
  store i32 2, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  br label %55

31:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %32 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  %33 = load i64, ptr %32, align 8, !tbaa !5
  store i64 %33, ptr %11, align 8, !tbaa !5
  %34 = load i64, ptr %11, align 8, !tbaa !5
  %35 = load i64, ptr %4, align 8, !tbaa !5
  %36 = icmp eq i64 %34, %35
  br i1 %36, label %37, label %38

37:                                               ; preds = %31
  store i32 3, ptr %10, align 4
  br label %50

38:                                               ; preds = %31
  %39 = load i64, ptr %11, align 8, !tbaa !5
  %40 = getelementptr inbounds [200000 x i64], ptr @mD, i64 0, i64 %39
  %41 = load i64, ptr %40, align 8, !tbaa !5
  %42 = load i64, ptr %5, align 8, !tbaa !5
  %43 = icmp sgt i64 %41, %42
  br i1 %43, label %44, label %49

44:                                               ; preds = %38
  %45 = load i64, ptr %11, align 8, !tbaa !5
  %46 = getelementptr inbounds [200000 x i64], ptr @mD, i64 0, i64 %45
  %47 = load i64, ptr %46, align 8, !tbaa !5
  store i64 %47, ptr %5, align 8, !tbaa !5
  %48 = load i64, ptr %11, align 8, !tbaa !5
  store i64 %48, ptr %6, align 8, !tbaa !5
  br label %49

49:                                               ; preds = %44, %38
  store i32 0, ptr %10, align 4
  br label %50

50:                                               ; preds = %49, %37
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  %51 = load i32, ptr %10, align 4
  switch i32 %51, label %95 [
    i32 0, label %52
    i32 3, label %53
  ]

52:                                               ; preds = %50
  br label %53

53:                                               ; preds = %52, %50
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br label %28

55:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %56 = load i64, ptr %3, align 8, !tbaa !5
  %57 = getelementptr inbounds [200000 x %"class.std::vector"], ptr @G, i64 0, i64 %56
  store ptr %57, ptr %12, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %58 = load ptr, ptr %12, align 8, !tbaa !9
  %59 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %58) #4
  %60 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %59, ptr %60, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %61 = load ptr, ptr %12, align 8, !tbaa !9
  %62 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %61) #4
  %63 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %62, ptr %63, align 8
  br label %64

64:                                               ; preds = %84, %55
  %65 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  br i1 %65, label %67, label %66

66:                                               ; preds = %64
  store i32 4, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  br label %86

67:                                               ; preds = %64
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  %69 = load i64, ptr %68, align 8, !tbaa !5
  store i64 %69, ptr %15, align 8, !tbaa !5
  %70 = load i64, ptr %15, align 8, !tbaa !5
  %71 = load i64, ptr %4, align 8, !tbaa !5
  %72 = icmp eq i64 %70, %71
  br i1 %72, label %77, label %73

73:                                               ; preds = %67
  %74 = load i64, ptr %15, align 8, !tbaa !5
  %75 = load i64, ptr %6, align 8, !tbaa !5
  %76 = icmp eq i64 %74, %75
  br i1 %76, label %77, label %78

77:                                               ; preds = %73, %67
  store i32 5, ptr %10, align 4
  br label %81

78:                                               ; preds = %73
  %79 = load i64, ptr %15, align 8, !tbaa !5
  %80 = load i64, ptr %3, align 8, !tbaa !5
  call void @_Z4dfs3xx(i64 noundef %79, i64 noundef %80)
  store i32 0, ptr %10, align 4
  br label %81

81:                                               ; preds = %78, %77
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  %82 = load i32, ptr %10, align 4
  switch i32 %82, label %95 [
    i32 0, label %83
    i32 5, label %84
  ]

83:                                               ; preds = %81
  br label %84

84:                                               ; preds = %83, %81
  %85 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  br label %64

86:                                               ; preds = %66
  %87 = load i64, ptr %6, align 8, !tbaa !5
  %88 = icmp ne i64 %87, -1
  br i1 %88, label %89, label %92

89:                                               ; preds = %86
  %90 = load i64, ptr %6, align 8, !tbaa !5
  %91 = load i64, ptr %3, align 8, !tbaa !5
  call void @_Z4dfs3xx(i64 noundef %90, i64 noundef %91)
  br label %92

92:                                               ; preds = %89, %86
  %93 = load i64, ptr @cE, align 8, !tbaa !5
  %94 = add nsw i64 %93, 1
  store i64 %94, ptr @cE, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  ret void

95:                                               ; preds = %81, %50
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #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 = { 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.__gnu_cxx::__normal_iterator" = type { ptr }

@G = external dso_local global [200000 x %"class.std::vector"], align 16
@mD = external dso_local local_unnamed_addr global [200000 x i64], align 16
@E = external dso_local local_unnamed_addr global [200000 x i64], align 16
@cE = external dso_local local_unnamed_addr global i64, align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 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 #2

; 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 #1 align 2

; 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 #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z4dfs3xx(i64 noundef %0, i64 noundef %1) local_unnamed_addr #1 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = load i64, ptr @cE, align 8, !tbaa !5
  %8 = add nsw i64 %7, 1
  store i64 %8, ptr @cE, align 8, !tbaa !5
  %9 = getelementptr inbounds [200000 x i64], ptr @E, i64 0, i64 %0
  store i64 %7, ptr %9, align 8, !tbaa !5
  %10 = getelementptr inbounds [200000 x %"class.std::vector"], ptr @G, i64 0, i64 %0
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %11 = tail call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  store ptr %11, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %12 = tail call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  store ptr %12, ptr %4, align 8
  %13 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %13, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %24, %2
  %.021.lcssa = phi i64 [ -1, %2 ], [ %.223, %24 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %14 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  store ptr %14, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %15 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  store ptr %15, ptr %6, align 8
  %16 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br i1 %16, label %.lr.ph31, label %._crit_edge32

.lr.ph:                                           ; preds = %2, %24
  %.029 = phi i64 [ %.2, %24 ], [ 0, %2 ]
  %.02128 = phi i64 [ %.223, %24 ], [ -1, %2 ]
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %18 = load i64, ptr %17, align 8, !tbaa !5
  %19 = icmp eq i64 %18, %1
  br i1 %19, label %24, label %20

20:                                               ; preds = %.lr.ph
  %21 = getelementptr inbounds [200000 x i64], ptr @mD, i64 0, i64 %18
  %22 = load i64, ptr %21, align 8, !tbaa !5
  %23 = icmp sgt i64 %22, %.029
  %spec.select = select i1 %23, i64 %18, i64 %.02128
  %spec.select27 = call i64 @llvm.smax.i64(i64 %22, i64 %.029)
  br label %24

24:                                               ; preds = %.lr.ph, %20
  %.223 = phi i64 [ %spec.select, %20 ], [ %.02128, %.lr.ph ]
  %.2 = phi i64 [ %spec.select27, %20 ], [ %.029, %.lr.ph ]
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %26 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %26, label %.lr.ph, label %._crit_edge

._crit_edge32:                                    ; preds = %32, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  %.not = icmp eq i64 %.021.lcssa, -1
  br i1 %.not, label %36, label %35

.lr.ph31:                                         ; preds = %._crit_edge, %32
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %28 = load i64, ptr %27, align 8, !tbaa !5
  %29 = icmp eq i64 %28, %1
  %30 = icmp eq i64 %28, %.021.lcssa
  %or.cond = select i1 %29, i1 true, i1 %30
  br i1 %or.cond, label %32, label %31

31:                                               ; preds = %.lr.ph31
  call void @_Z4dfs3xx(i64 noundef %28, i64 noundef %0)
  br label %32

32:                                               ; preds = %.lr.ph31, %31
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %34 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br i1 %34, label %.lr.ph31, label %._crit_edge32

35:                                               ; preds = %._crit_edge32
  call void @_Z4dfs3xx(i64 noundef %.021.lcssa, i64 noundef %0)
  br label %36

36:                                               ; preds = %35, %._crit_edge32
  %37 = load i64, ptr @cE, align 8, !tbaa !5
  %38 = add nsw i64 %37, 1
  store i64 %38, ptr @cE, align 8, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smax.i64(i64, i64) #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass