; LLVM IR from AdarshGaur/Competitive-Programming :: SPOJ/AKBAR - Akbar , The great.ll (Z15bfs_with_heightxx)

; 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::vector<long long>, std::allocator<std::vector<long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<long long>, std::allocator<std::vector<long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<long long>, std::allocator<std::vector<long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<long long>, std::allocator<std::vector<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<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::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl" }
%"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl" = type { %"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl_data" }
%"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@adj = external dso_local global %"class.std::vector", align 8
@used = external dso_local global %"class.std::vector.0", align 8
@d = external dso_local global %"class.std::vector.0", align 8

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

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) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z15bfs_with_heightxx(i64 noundef %0, i64 noundef %1) #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca i1, align 1
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::queue", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca i64, align 8
  store i64 %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !5
  %15 = load i64, ptr %4, align 8, !tbaa !5
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @used, i64 noundef %15) #4
  %17 = load i64, ptr %16, align 8, !tbaa !5
  %18 = icmp ne i64 %17, -1
  br i1 %18, label %19, label %20

19:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  br label %115

20:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 80, ptr %6) #4
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %21 unwind label %41

21:                                               ; preds = %20
  %22 = load i64, ptr %4, align 8, !tbaa !5
  %23 = load i64, ptr %4, align 8, !tbaa !5
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @used, i64 noundef %23) #4
  store i64 %22, ptr %24, align 8, !tbaa !5
  %25 = load i64, ptr %4, align 8, !tbaa !5
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @d, i64 noundef %25) #4
  store i64 0, ptr %26, align 8, !tbaa !5
  br label %27

27:                                               ; preds = %110, %21
  %28 = invoke noundef zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %29 unwind label %41

29:                                               ; preds = %27
  %30 = xor i1 %28, true
  br i1 %30, label %31, label %112

31:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %32 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIxSt5dequeIxSaIxEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %33 unwind label %45

33:                                               ; preds = %31
  %34 = load i64, ptr %32, align 8, !tbaa !5
  store i64 %34, ptr %9, align 8, !tbaa !5
  %35 = load i64, ptr %9, align 8, !tbaa !5
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @d, i64 noundef %35) #4
  %37 = load i64, ptr %36, align 8, !tbaa !5
  %38 = load i64, ptr %5, align 8, !tbaa !5
  %39 = icmp eq i64 %37, %38
  br i1 %39, label %40, label %49

40:                                               ; preds = %33
  store i32 3, ptr %10, align 4
  br label %108

41:                                               ; preds = %27, %20
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %7, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %8, align 4
  br label %114

45:                                               ; preds = %49, %31
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %7, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %8, align 4
  br label %111

49:                                               ; preds = %33
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %50 unwind label %45

50:                                               ; preds = %49
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %51 = load i64, ptr %9, align 8, !tbaa !5
  %52 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @adj, i64 noundef %51) #4
  store ptr %52, ptr %11, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %53 = load ptr, ptr %11, align 8, !tbaa !9
  %54 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %53) #4
  %55 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %54, ptr %55, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %56 = load ptr, ptr %11, align 8, !tbaa !9
  %57 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %56) #4
  %58 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %57, ptr %58, align 8
  br label %59

59:                                               ; preds = %103, %50
  %60 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  br i1 %60, label %62, label %61

61:                                               ; preds = %59
  store i32 4, ptr %10, align 4
  br label %105

62:                                               ; preds = %59
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #4
  %64 = load i64, ptr %63, align 8, !tbaa !5
  store i64 %64, ptr %14, align 8, !tbaa !5
  %65 = load i64, ptr %14, align 8, !tbaa !5
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @used, i64 noundef %65) #4
  %67 = load i64, ptr %66, align 8, !tbaa !5
  %68 = load i64, ptr %4, align 8, !tbaa !5
  %69 = icmp ne i64 %67, %68
  br i1 %69, label %70, label %76

70:                                               ; preds = %62
  %71 = load i64, ptr %14, align 8, !tbaa !5
  %72 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @used, i64 noundef %71) #4
  %73 = load i64, ptr %72, align 8, !tbaa !5
  %74 = icmp ne i64 %73, -1
  br i1 %74, label %75, label %76

75:                                               ; preds = %70
  store i1 false, ptr %3, align 1
  store i32 1, ptr %10, align 4
  br label %100

76:                                               ; preds = %70, %62
  %77 = load i64, ptr %14, align 8, !tbaa !5
  %78 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @used, i64 noundef %77) #4
  %79 = load i64, ptr %78, align 8, !tbaa !5
  %80 = load i64, ptr %4, align 8, !tbaa !5
  %81 = icmp eq i64 %79, %80
  br i1 %81, label %82, label %83

82:                                               ; preds = %76
  store i32 5, ptr %10, align 4
  br label %100

83:                                               ; preds = %76
  %84 = load i64, ptr %4, align 8, !tbaa !5
  %85 = load i64, ptr %14, align 8, !tbaa !5
  %86 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @used, i64 noundef %85) #4
  store i64 %84, ptr %86, align 8, !tbaa !5
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 8 dereferenceable(8) %14)
          to label %87 unwind label %94

87:                                               ; preds = %83
  %88 = load i64, ptr %9, align 8, !tbaa !5
  %89 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @d, i64 noundef %88) #4
  %90 = load i64, ptr %89, align 8, !tbaa !5
  %91 = add nsw i64 %90, 1
  %92 = load i64, ptr %14, align 8, !tbaa !5
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @d, i64 noundef %92) #4
  store i64 %91, ptr %93, align 8, !tbaa !5
  br label %98

94:                                               ; preds = %83
  %95 = landingpad { ptr, i32 }
          cleanup
  %96 = extractvalue { ptr, i32 } %95, 0
  store ptr %96, ptr %7, align 8
  %97 = extractvalue { ptr, i32 } %95, 1
  store i32 %97, ptr %8, 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
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  br label %111

98:                                               ; preds = %87
  br label %99

99:                                               ; preds = %98
  store i32 0, ptr %10, align 4
  br label %100

100:                                              ; preds = %99, %82, %75
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  %101 = load i32, ptr %10, align 4
  switch i32 %101, label %105 [
    i32 0, label %102
    i32 5, label %103
  ]

102:                                              ; preds = %100
  br label %103

103:                                              ; preds = %102, %100
  %104 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #4
  br label %59

105:                                              ; preds = %100, %61
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  %106 = load i32, ptr %10, align 4
  switch i32 %106, label %108 [
    i32 4, label %107
  ]

107:                                              ; preds = %105
  store i32 0, ptr %10, align 4
  br label %108

108:                                              ; preds = %107, %105, %40
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  %109 = load i32, ptr %10, align 4
  switch i32 %109, label %113 [
    i32 0, label %110
    i32 3, label %112
  ]

110:                                              ; preds = %108
  br label %27, !llvm.loop !11

111:                                              ; preds = %94, %45
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  br label %114

112:                                              ; preds = %108, %29
  store i1 true, ptr %3, align 1
  store i32 1, ptr %10, align 4
  br label %113

113:                                              ; preds = %112, %108
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %6) #4
  br label %115

114:                                              ; preds = %111, %41
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %6) #4
  br label %117

115:                                              ; preds = %113, %19
  %116 = load i1, ptr %3, align 1
  ret i1 %116

117:                                              ; preds = %114
  %118 = load ptr, ptr %7, align 8
  %119 = load i32, ptr %8, align 4
  %120 = insertvalue { ptr, i32 } poison, ptr %118, 0
  %121 = insertvalue { ptr, i32 } %120, i32 %119, 1
  resume { ptr, i32 } %121
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIxSt5dequeIxSaIxEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; 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 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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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}
!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::vector<long long>, std::allocator<std::vector<long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<long long>, std::allocator<std::vector<long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<long long>, std::allocator<std::vector<long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<long long>, std::allocator<std::vector<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<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::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl" }
%"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl" = type { %"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl_data" }
%"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@adj = external dso_local global %"class.std::vector", align 8
@used = external dso_local global %"class.std::vector.0", align 8
@d = external dso_local global %"class.std::vector.0", align 8

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

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) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z15bfs_with_heightxx(i64 noundef %0, i64 noundef %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::queue", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca i64, align 8
  store i64 %0, ptr %3, align 8, !tbaa !5
  %8 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @used, i64 noundef %0) #4
  %9 = load i64, ptr %8, align 8, !tbaa !5
  %.not = icmp eq i64 %9, -1
  br i1 %.not, label %10, label %60

10:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %4) #4
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %11 unwind label %22

11:                                               ; preds = %10
  %12 = load i64, ptr %3, align 8, !tbaa !5
  %13 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @used, i64 noundef %12) #4
  store i64 %12, ptr %13, align 8, !tbaa !5
  %14 = load i64, ptr %3, align 8, !tbaa !5
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @d, i64 noundef %14) #4
  store i64 0, ptr %15, align 8, !tbaa !5
  %16 = call noundef zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  br i1 %16, label %.thread26, label %.lr.ph29

.lr.ph29:                                         ; preds = %11, %._crit_edge
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIxSt5dequeIxSaIxEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %18 = load i64, ptr %17, align 8, !tbaa !5
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @d, i64 noundef %18) #4
  %20 = load i64, ptr %19, align 8, !tbaa !5
  %21 = icmp eq i64 %20, %1
  br i1 %21, label %.thread26, label %24

22:                                               ; preds = %10
  %23 = landingpad { ptr, i32 }
          cleanup
  br label %59

24:                                               ; preds = %.lr.ph29
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %25 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @adj, i64 noundef %18) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %26 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #4
  store ptr %26, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %27 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #4
  store ptr %27, ptr %6, align 8
  %28 = 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 %28, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %24, %55
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %29 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %30 = load i64, ptr %29, align 8, !tbaa !5
  store i64 %30, ptr %7, align 8, !tbaa !5
  %31 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @used, i64 noundef %30) #4
  %32 = load i64, ptr %31, align 8, !tbaa !5
  %33 = load i64, ptr %3, align 8, !tbaa !5
  %.not17 = icmp eq i64 %32, %33
  br i1 %.not17, label %38, label %34

34:                                               ; preds = %.lr.ph
  %35 = load i64, ptr %7, align 8, !tbaa !5
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @used, i64 noundef %35) #4
  %37 = load i64, ptr %36, align 8, !tbaa !5
  %.not18 = icmp eq i64 %37, -1
  br i1 %.not18, label %38, label %.thread24

38:                                               ; preds = %34, %.lr.ph
  %39 = load i64, ptr %7, align 8, !tbaa !5
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @used, i64 noundef %39) #4
  %41 = load i64, ptr %40, align 8, !tbaa !5
  %42 = load i64, ptr %3, align 8, !tbaa !5
  %43 = icmp eq i64 %41, %42
  br i1 %43, label %55, label %44

44:                                               ; preds = %38
  %45 = load i64, ptr %7, align 8, !tbaa !5
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @used, i64 noundef %45) #4
  store i64 %42, ptr %46, align 8, !tbaa !5
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %47 unwind label %53

47:                                               ; preds = %44
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @d, i64 noundef %18) #4
  %49 = load i64, ptr %48, align 8, !tbaa !5
  %50 = add nsw i64 %49, 1
  %51 = load i64, ptr %7, align 8, !tbaa !5
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @d, i64 noundef %51) #4
  store i64 %50, ptr %52, align 8, !tbaa !5
  br label %55

53:                                               ; preds = %44
  %54 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  br label %59

55:                                               ; preds = %47, %38
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %57 = 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 %57, label %.lr.ph, label %._crit_edge

.thread24:                                        ; preds = %34
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  br label %.thread26

._crit_edge:                                      ; preds = %55, %24
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  %58 = call noundef zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  br i1 %58, label %.thread26, label %.lr.ph29

.thread26:                                        ; preds = %._crit_edge, %.lr.ph29, %11, %.thread24
  %.5 = phi i1 [ false, %.thread24 ], [ true, %11 ], [ true, %.lr.ph29 ], [ true, %._crit_edge ]
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %4) #4
  br label %60

59:                                               ; preds = %53, %22
  %.pn = phi { ptr, i32 } [ %54, %53 ], [ %23, %22 ]
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %4) #4
  resume { ptr, i32 } %.pn

60:                                               ; preds = %2, %.thread26
  %.6 = phi i1 [ %.5, %.thread26 ], [ false, %2 ]
  ret i1 %.6
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIxSt5dequeIxSaIxEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; 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 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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass