; LLVM IR from kazunetakahashi/atcoder :: 2018/0512_ARC097/F.ll (Z3dfsi)

; 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<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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@V = external dso_local global [100010 x %"class.std::vector"], align 16
@parent = external dso_local global [100010 x i32], align 16
@need = external dso_local global [100010 x i8], align 16
@maxi = external dso_local global i32, align 4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z3dfsi(i32 noundef %0) #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector", 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 i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 %0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  %18 = load i32, ptr %3, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [100010 x i8], ptr @need, i64 0, i64 %19
  %21 = load i8, ptr %20, align 1, !tbaa !9, !range !11, !noundef !12
  %22 = trunc i8 %21 to i1
  %23 = zext i1 %22 to i64
  %24 = select i1 %22, i32 1, i32 0
  store i32 %24, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #5
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %25 = load i32, ptr %3, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @V, i64 0, i64 %26
  store ptr %27, ptr %6, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %28 = load ptr, ptr %6, align 8, !tbaa !13
  %29 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %28) #5
  %30 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %29, ptr %30, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %31 = load ptr, ptr %6, align 8, !tbaa !13
  %32 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %31) #5
  %33 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %32, ptr %33, align 8
  br label %34

34:                                               ; preds = %64, %1
  %35 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br i1 %35, label %37, label %36

36:                                               ; preds = %34
  store i32 2, ptr %9, align 4
  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 %66

37:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %39 = load i32, ptr %38, align 4, !tbaa !5
  store i32 %39, ptr %10, align 4, !tbaa !5
  %40 = load i32, ptr %10, align 4, !tbaa !5
  %41 = load i32, ptr %3, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds [100010 x i32], ptr @parent, i64 0, i64 %42
  %44 = load i32, ptr %43, align 4, !tbaa !5
  %45 = icmp eq i32 %40, %44
  br i1 %45, label %46, label %47

46:                                               ; preds = %37
  store i32 3, ptr %9, align 4
  br label %61

47:                                               ; preds = %37
  %48 = load i32, ptr %3, align 4, !tbaa !5
  %49 = load i32, ptr %10, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [100010 x i32], ptr @parent, i64 0, i64 %50
  store i32 %48, ptr %51, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  %52 = load i32, ptr %10, align 4, !tbaa !5
  %53 = invoke noundef i32 @_Z3dfsi(i32 noundef %52)
          to label %54 unwind label %56

54:                                               ; preds = %47
  store i32 %53, ptr %11, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %55 unwind label %56

55:                                               ; preds = %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %60

56:                                               ; preds = %54, %47
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %12, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  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 %124

60:                                               ; preds = %55
  store i32 0, ptr %9, align 4
  br label %61

61:                                               ; preds = %60, %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  %62 = load i32, ptr %9, align 4
  switch i32 %62, label %130 [
    i32 0, label %63
    i32 3, label %64
  ]

63:                                               ; preds = %61
  br label %64

64:                                               ; preds = %63, %61
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  br label %34

66:                                               ; preds = %36
  %67 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %68 = trunc i64 %67 to i32
  %69 = icmp eq i32 %68, 0
  br i1 %69, label %70, label %72

70:                                               ; preds = %66
  %71 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %71, ptr %2, align 4
  store i32 1, ptr %9, align 4
  br label %122

72:                                               ; preds = %66
  %73 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %74 = trunc i64 %73 to i32
  %75 = icmp eq i32 %74, 1
  br i1 %75, label %76, label %89

76:                                               ; preds = %72
  %77 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #5
  %78 = load i32, ptr %77, align 4, !tbaa !5
  %79 = load i32, ptr %4, align 4, !tbaa !5
  %80 = add nsw i32 %79, %78
  store i32 %80, ptr %4, align 4, !tbaa !5
  %81 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @maxi, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %82 unwind label %85

82:                                               ; preds = %76
  %83 = load i32, ptr %81, align 4, !tbaa !5
  store i32 %83, ptr @maxi, align 4, !tbaa !5
  %84 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %84, ptr %2, align 4
  store i32 1, ptr %9, align 4
  br label %122

85:                                               ; preds = %107, %98, %89, %76
  %86 = landingpad { ptr, i32 }
          cleanup
  %87 = extractvalue { ptr, i32 } %86, 0
  store ptr %87, ptr %12, align 8
  %88 = extractvalue { ptr, i32 } %86, 1
  store i32 %88, ptr %13, align 4
  br label %124

89:                                               ; preds = %72
  %90 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %91 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %90, ptr %91, align 8
  %92 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %93 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %92, ptr %93, align 8
  %94 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  %95 = load ptr, ptr %94, align 8
  %96 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  %97 = load ptr, ptr %96, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %95, ptr %97)
          to label %98 unwind label %85

98:                                               ; preds = %89
  %99 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %100 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %99, ptr %100, align 8
  %101 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %102 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %101, ptr %102, align 8
  %103 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  %104 = load ptr, ptr %103, align 8
  %105 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  %106 = load ptr, ptr %105, align 8
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %104, ptr %106)
          to label %107 unwind label %85

107:                                              ; preds = %98
  %108 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #5
  %109 = load i32, ptr %108, align 4, !tbaa !5
  %110 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 1) #5
  %111 = load i32, ptr %110, align 4, !tbaa !5
  %112 = add nsw i32 %109, %111
  %113 = load i32, ptr %4, align 4, !tbaa !5
  %114 = add nsw i32 %113, %112
  store i32 %114, ptr %4, align 4, !tbaa !5
  %115 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @maxi, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %116 unwind label %85

116:                                              ; preds = %107
  %117 = load i32, ptr %115, align 4, !tbaa !5
  store i32 %117, ptr @maxi, align 4, !tbaa !5
  %118 = load i32, ptr %4, align 4, !tbaa !5
  %119 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 1) #5
  %120 = load i32, ptr %119, align 4, !tbaa !5
  %121 = sub nsw i32 %118, %120
  store i32 %121, ptr %2, align 4
  store i32 1, ptr %9, align 4
  br label %122

122:                                              ; preds = %116, %82, %70
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  %123 = load i32, ptr %2, align 4
  ret i32 %123

124:                                              ; preds = %85, %56
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  br label %125

125:                                              ; preds = %124
  %126 = load ptr, ptr %12, align 8
  %127 = load i32, ptr %13, align 4
  %128 = insertvalue { ptr, i32 } poison, ptr %126, 0
  %129 = insertvalue { ptr, i32 } %128, i32 %127, 1
  resume { ptr, i32 } %129

130:                                              ; preds = %61
  unreachable
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_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 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) #4

attributes #0 = { 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 #1 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 = !{!"bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}
!13 = !{!14, !14, i64 0}
!14 = !{!"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<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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@V = external dso_local global [100010 x %"class.std::vector"], align 16
@parent = external dso_local local_unnamed_addr global [100010 x i32], align 16
@need = external dso_local local_unnamed_addr global [100010 x i8], align 16
@maxi = external dso_local global i32, align 4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z3dfsi(i32 noundef %0) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  %7 = sext i32 %0 to i64
  %8 = getelementptr inbounds [100010 x i8], ptr @need, i64 0, i64 %7
  %9 = load i8, ptr %8, align 1, !tbaa !5, !range !9, !noundef !10
  %10 = zext nneg i8 %9 to i32
  store i32 %10, ptr %2, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %11 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @V, i64 0, i64 %7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %12 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #5
  store ptr %12, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %13 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #5
  store ptr %13, ptr %5, align 8
  %14 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %14, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1
  %15 = getelementptr inbounds [100010 x i32], ptr @parent, i64 0, i64 %7
  br label %19

._crit_edge:                                      ; preds = %32, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  %16 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %17 = and i64 %16, 4294967295
  %18 = icmp eq i64 %17, 0
  br i1 %18, label %69, label %35

19:                                               ; preds = %.lr.ph, %32
  %20 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %21 = load i32, ptr %20, align 4, !tbaa !11
  %22 = load i32, ptr %15, align 4, !tbaa !11
  %23 = icmp eq i32 %21, %22
  br i1 %23, label %32, label %24

24:                                               ; preds = %19
  %25 = sext i32 %21 to i64
  %26 = getelementptr inbounds [100010 x i32], ptr @parent, i64 0, i64 %25
  store i32 %0, ptr %26, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #5
  %27 = invoke noundef i32 @_Z3dfsi(i32 noundef %21)
          to label %28 unwind label %30

28:                                               ; preds = %24
  store i32 %27, ptr %6, align 4, !tbaa !11
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %29 unwind label %30

29:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #5
  br label %32

30:                                               ; preds = %28, %24
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  br label %70

32:                                               ; preds = %19, %29
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %34 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %34, label %19, label %._crit_edge

35:                                               ; preds = %._crit_edge
  %36 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %37 = and i64 %36, 4294967295
  %38 = icmp eq i64 %37, 1
  br i1 %38, label %39, label %49

39:                                               ; preds = %35
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #5
  %41 = load i32, ptr %40, align 4, !tbaa !11
  %42 = load i32, ptr %2, align 4, !tbaa !11
  %43 = add nsw i32 %42, %41
  store i32 %43, ptr %2, align 4, !tbaa !11
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @maxi, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %45 = load i32, ptr %44, align 4, !tbaa !11
  store i32 %45, ptr @maxi, align 4, !tbaa !11
  %46 = load i32, ptr %2, align 4, !tbaa !11
  br label %69

47:                                               ; preds = %52, %49
  %48 = landingpad { ptr, i32 }
          cleanup
  br label %70

49:                                               ; preds = %35
  %50 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %51 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %50, ptr %51)
          to label %52 unwind label %47

52:                                               ; preds = %49
  %53 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %54 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %53, ptr %54)
          to label %55 unwind label %47

55:                                               ; preds = %52
  %56 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #5
  %57 = load i32, ptr %56, align 4, !tbaa !11
  %58 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 1) #5
  %59 = load i32, ptr %58, align 4, !tbaa !11
  %60 = add nsw i32 %59, %57
  %61 = load i32, ptr %2, align 4, !tbaa !11
  %62 = add nsw i32 %60, %61
  store i32 %62, ptr %2, align 4, !tbaa !11
  %63 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @maxi, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %64 = load i32, ptr %63, align 4, !tbaa !11
  store i32 %64, ptr @maxi, align 4, !tbaa !11
  %65 = load i32, ptr %2, align 4, !tbaa !11
  %66 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 1) #5
  %67 = load i32, ptr %66, align 4, !tbaa !11
  %68 = sub nsw i32 %65, %67
  br label %69

69:                                               ; preds = %._crit_edge, %55, %39
  %.0 = phi i32 [ %46, %39 ], [ %68, %55 ], [ %10, %._crit_edge ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  ret i32 %.0

70:                                               ; preds = %47, %30
  %.pn = phi { ptr, i32 } [ %31, %30 ], [ %48, %47 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_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 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #4

attributes #0 = { 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 #1 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i8 0, i8 2}
!10 = !{}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}


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