; LLVM IR from eyangch/competitive-programming :: Codeforces/544/d.ll (Z3bfsx)

; 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::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 }

@N = external dso_local global i64, align 8
@graph = external dso_local global [3000 x %"class.std::vector"], align 16
@D = external dso_local global [3000 x [3000 x i64]], align 16

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3bfsx(i64 noundef %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::queue", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca i32, align 4
  %12 = alloca i64, align 8
  store i64 %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 80, ptr %3) #5
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %13 unwind label %47

13:                                               ; preds = %1
  %14 = load i64, ptr %2, align 8, !tbaa !5
  %15 = getelementptr inbounds [3000 x [3000 x i64]], ptr @D, i64 0, i64 %14
  %16 = getelementptr inbounds [3000 x i64], ptr %15, i64 0, i64 0
  %17 = load i64, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds [3000 x [3000 x i64]], ptr @D, i64 0, i64 %17
  %19 = getelementptr inbounds [3000 x i64], ptr %18, i64 0, i64 0
  %20 = load i64, ptr @N, align 8, !tbaa !5
  %21 = getelementptr inbounds i64, ptr %19, i64 %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 -1, ptr %6, align 4, !tbaa !9
  invoke void @_ZSt4fillIPxiEvT_S1_RKT0_(ptr noundef %16, ptr noundef %21, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %22 unwind label %51

22:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  %23 = load i64, ptr %2, align 8, !tbaa !5
  %24 = getelementptr inbounds [3000 x [3000 x i64]], ptr @D, i64 0, i64 %23
  %25 = load i64, ptr %2, align 8, !tbaa !5
  %26 = getelementptr inbounds [3000 x i64], ptr %24, i64 0, i64 %25
  store i64 0, ptr %26, align 8, !tbaa !5
  br label %27

27:                                               ; preds = %91, %22
  %28 = invoke noundef zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %29 unwind label %47

29:                                               ; preds = %27
  %30 = xor i1 %28, true
  br i1 %30, label %31, label %93

31:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %32 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIxSt5dequeIxSaIxEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %33 unwind label %55

33:                                               ; preds = %31
  %34 = load i64, ptr %32, align 8, !tbaa !5
  store i64 %34, ptr %7, align 8, !tbaa !5
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %35 unwind label %55

35:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %36 = load i64, ptr %7, align 8, !tbaa !5
  %37 = getelementptr inbounds [3000 x %"class.std::vector"], ptr @graph, i64 0, i64 %36
  store ptr %37, ptr %8, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %38 = load ptr, ptr %8, align 8, !tbaa !11
  %39 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %38) #5
  %40 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %39, ptr %40, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %41 = load ptr, ptr %8, align 8, !tbaa !11
  %42 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %41) #5
  %43 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %42, ptr %43, align 8
  br label %44

44:                                               ; preds = %85, %35
  %45 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #5
  br i1 %45, label %59, label %46

46:                                               ; preds = %44
  store i32 4, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %91

47:                                               ; preds = %27, %1
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %4, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %5, align 4
  br label %94

51:                                               ; preds = %13
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %4, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %94

55:                                               ; preds = %33, %31
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %4, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %5, align 4
  br label %92

59:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  %60 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  %61 = load i64, ptr %60, align 8, !tbaa !5
  store i64 %61, ptr %12, align 8, !tbaa !5
  %62 = load i64, ptr %2, align 8, !tbaa !5
  %63 = getelementptr inbounds [3000 x [3000 x i64]], ptr @D, i64 0, i64 %62
  %64 = load i64, ptr %12, align 8, !tbaa !5
  %65 = getelementptr inbounds [3000 x i64], ptr %63, i64 0, i64 %64
  %66 = load i64, ptr %65, align 8, !tbaa !5
  %67 = xor i64 %66, -1
  %68 = icmp ne i64 %67, 0
  br i1 %68, label %69, label %70

69:                                               ; preds = %59
  store i32 5, ptr %11, align 4
  br label %82

70:                                               ; preds = %59
  %71 = load i64, ptr %2, align 8, !tbaa !5
  %72 = getelementptr inbounds [3000 x [3000 x i64]], ptr @D, i64 0, i64 %71
  %73 = load i64, ptr %7, align 8, !tbaa !5
  %74 = getelementptr inbounds [3000 x i64], ptr %72, i64 0, i64 %73
  %75 = load i64, ptr %74, align 8, !tbaa !5
  %76 = add nsw i64 %75, 1
  %77 = load i64, ptr %2, align 8, !tbaa !5
  %78 = getelementptr inbounds [3000 x [3000 x i64]], ptr @D, i64 0, i64 %77
  %79 = load i64, ptr %12, align 8, !tbaa !5
  %80 = getelementptr inbounds [3000 x i64], ptr %78, i64 0, i64 %79
  store i64 %76, ptr %80, align 8, !tbaa !5
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %12)
          to label %81 unwind label %87

81:                                               ; preds = %70
  store i32 0, ptr %11, align 4
  br label %82

82:                                               ; preds = %81, %69
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  %83 = load i32, ptr %11, align 4
  switch i32 %83, label %100 [
    i32 0, label %84
    i32 5, label %85
  ]

84:                                               ; preds = %82
  br label %85

85:                                               ; preds = %84, %82
  %86 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  br label %44

87:                                               ; preds = %70
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %4, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %92

91:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %27, !llvm.loop !13

92:                                               ; preds = %87, %55
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %94

93:                                               ; preds = %29
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #5
  ret void

94:                                               ; preds = %92, %51, %47
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #5
  br label %95

95:                                               ; preds = %94
  %96 = load ptr, ptr %4, align 8
  %97 = load i32, ptr %5, align 4
  %98 = insertvalue { ptr, i32 } poison, ptr %96, 0
  %99 = insertvalue { ptr, i32 } %98, i32 %97, 1
  resume { ptr, i32 } %99

100:                                              ; preds = %82
  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 uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 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)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPxiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) #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 zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 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)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 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)) #4

; 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)) #3 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)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 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 = { 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 #3 = { 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 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 #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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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<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 }

@N = external dso_local local_unnamed_addr global i64, align 8
@graph = external dso_local global [3000 x %"class.std::vector"], align 16
@D = external dso_local global [3000 x [3000 x i64]], align 16

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3bfsx(i64 noundef %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::queue", align 8
  %4 = alloca i32, align 4
  %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 %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %3) #5
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %8 unwind label %24

8:                                                ; preds = %1
  %9 = load i64, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds [3000 x [3000 x i64]], ptr @D, i64 0, i64 %9
  %11 = load i64, ptr @N, align 8, !tbaa !5
  %12 = getelementptr inbounds i64, ptr %10, i64 %11
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  store i32 -1, ptr %4, align 4, !tbaa !9
  invoke void @_ZSt4fillIPxiEvT_S1_RKT0_(ptr noundef nonnull %10, ptr noundef nonnull %12, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %13 unwind label %26

13:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  %14 = load i64, ptr %2, align 8, !tbaa !5
  %15 = getelementptr inbounds [3000 x [3000 x i64]], ptr @D, i64 0, i64 %14, i64 %14
  store i64 0, ptr %15, align 8, !tbaa !5
  %16 = call noundef zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %16, label %._crit_edge9, label %.lr.ph8

.lr.ph8:                                          ; preds = %13, %._crit_edge
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIxSt5dequeIxSaIxEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %18 = load i64, ptr %17, align 8, !tbaa !5
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %19 = getelementptr inbounds [3000 x %"class.std::vector"], ptr @graph, i64 0, i64 %18
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %20 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #5
  store ptr %20, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %21 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #5
  store ptr %21, ptr %6, align 8
  %22 = 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) #5
  br i1 %22, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %37, %.lr.ph8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  %23 = call noundef zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %23, label %._crit_edge9, label %.lr.ph8, !llvm.loop !11

24:                                               ; preds = %1
  %25 = landingpad { ptr, i32 }
          cleanup
  br label %42

26:                                               ; preds = %8
  %27 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  br label %42

.lr.ph:                                           ; preds = %.lr.ph8, %37
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  %29 = load i64, ptr %28, align 8, !tbaa !5
  store i64 %29, ptr %7, align 8, !tbaa !5
  %30 = load i64, ptr %2, align 8, !tbaa !5
  %31 = getelementptr inbounds [3000 x [3000 x i64]], ptr @D, i64 0, i64 %30, i64 %29
  %32 = load i64, ptr %31, align 8, !tbaa !5
  %.not = icmp eq i64 %32, -1
  br i1 %.not, label %33, label %37

33:                                               ; preds = %.lr.ph
  %34 = getelementptr inbounds [3000 x [3000 x i64]], ptr @D, i64 0, i64 %30, i64 %18
  %35 = load i64, ptr %34, align 8, !tbaa !5
  %36 = add nsw i64 %35, 1
  store i64 %36, ptr %31, align 8, !tbaa !5
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %37 unwind label %40

37:                                               ; preds = %33, %.lr.ph
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  %39 = 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) #5
  br i1 %39, label %.lr.ph, label %._crit_edge

40:                                               ; preds = %33
  %41 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  br label %42

._crit_edge9:                                     ; preds = %._crit_edge, %13
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #5
  ret void

42:                                               ; preds = %40, %26, %24
  %.pn = phi { ptr, i32 } [ %41, %40 ], [ %27, %26 ], [ %25, %24 ]
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #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) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 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 #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPxiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #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 zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 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 #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 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 #4

; 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 #3 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 #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 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 = { 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 #3 = { 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 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 #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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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