; LLVM IR from eyangch/competitive-programming :: Codeforces/1702/g.ll (Z3dfsxxx)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

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

@up = external dso_local global [20 x [200000 x i64]], align 16
@tin = external dso_local global [200000 x i64], align 16
@tout = external dso_local global [200000 x i64], align 16
@de = external dso_local global [200000 x i64], align 16
@graph = external dso_local global [200000 x %"class.std::vector"], align 16
@t = external dso_local global i64, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfsxxx(i64 noundef %0, i64 noundef %1, i64 noundef %2) #0 {
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %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 %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !5
  %13 = load i64, ptr @t, align 8, !tbaa !5
  %14 = add nsw i64 %13, 1
  store i64 %14, ptr @t, align 8, !tbaa !5
  %15 = load i64, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds [200000 x i64], ptr @tin, i64 0, i64 %15
  store i64 %13, ptr %16, align 8, !tbaa !5
  %17 = load i64, ptr %6, align 8, !tbaa !5
  %18 = load i64, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds [200000 x i64], ptr @de, i64 0, i64 %18
  store i64 %17, ptr %19, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  store i64 1, ptr %7, align 8, !tbaa !5
  br label %20

20:                                               ; preds = %40, %3
  %21 = load i64, ptr %7, align 8, !tbaa !5
  %22 = icmp slt i64 %21, 20
  br i1 %22, label %24, label %23

23:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  br label %43

24:                                               ; preds = %20
  %25 = load i64, ptr %7, align 8, !tbaa !5
  %26 = sub nsw i64 %25, 1
  %27 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 %26
  %28 = load i64, ptr %7, align 8, !tbaa !5
  %29 = sub nsw i64 %28, 1
  %30 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 %29
  %31 = load i64, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds [200000 x i64], ptr %30, i64 0, i64 %31
  %33 = load i64, ptr %32, align 8, !tbaa !5
  %34 = getelementptr inbounds [200000 x i64], ptr %27, i64 0, i64 %33
  %35 = load i64, ptr %34, align 8, !tbaa !5
  %36 = load i64, ptr %7, align 8, !tbaa !5
  %37 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 %36
  %38 = load i64, ptr %4, align 8, !tbaa !5
  %39 = getelementptr inbounds [200000 x i64], ptr %37, i64 0, i64 %38
  store i64 %35, ptr %39, align 8, !tbaa !5
  br label %40

40:                                               ; preds = %24
  %41 = load i64, ptr %7, align 8, !tbaa !5
  %42 = add nsw i64 %41, 1
  store i64 %42, ptr %7, align 8, !tbaa !5
  br label %20, !llvm.loop !9

43:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %44 = load i64, ptr %4, align 8, !tbaa !5
  %45 = getelementptr inbounds [200000 x %"class.std::vector"], ptr @graph, i64 0, i64 %44
  store ptr %45, ptr %8, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %46 = load ptr, ptr %8, align 8, !tbaa !11
  %47 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %46) #4
  %48 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %47, ptr %48, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %49 = load ptr, ptr %8, align 8, !tbaa !11
  %50 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %49) #4
  %51 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %50, ptr %51, align 8
  br label %52

52:                                               ; preds = %73, %43
  %53 = 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) #4
  br i1 %53, label %55, label %54

54:                                               ; preds = %52
  store i32 5, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %75

55:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  %57 = load i64, ptr %56, align 8, !tbaa !5
  store i64 %57, ptr %12, align 8, !tbaa !5
  %58 = load i64, ptr %12, align 8, !tbaa !5
  %59 = load i64, ptr %5, align 8, !tbaa !5
  %60 = icmp eq i64 %58, %59
  br i1 %60, label %61, label %62

61:                                               ; preds = %55
  store i32 6, ptr %11, align 4
  br label %70

62:                                               ; preds = %55
  %63 = load i64, ptr %4, align 8, !tbaa !5
  %64 = load i64, ptr %12, align 8, !tbaa !5
  %65 = getelementptr inbounds [200000 x i64], ptr @up, i64 0, i64 %64
  store i64 %63, ptr %65, align 8, !tbaa !5
  %66 = load i64, ptr %12, align 8, !tbaa !5
  %67 = load i64, ptr %4, align 8, !tbaa !5
  %68 = load i64, ptr %6, align 8, !tbaa !5
  %69 = add nsw i64 %68, 1
  call void @_Z3dfsxxx(i64 noundef %66, i64 noundef %67, i64 noundef %69)
  store i32 0, ptr %11, align 4
  br label %70

70:                                               ; preds = %62, %61
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  %71 = load i32, ptr %11, align 4
  switch i32 %71, label %80 [
    i32 0, label %72
    i32 6, label %73
  ]

72:                                               ; preds = %70
  br label %73

73:                                               ; preds = %72, %70
  %74 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  br label %52

75:                                               ; preds = %54
  %76 = load i64, ptr @t, align 8, !tbaa !5
  %77 = add nsw i64 %76, 1
  store i64 %77, ptr @t, align 8, !tbaa !5
  %78 = load i64, ptr %4, align 8, !tbaa !5
  %79 = getelementptr inbounds [200000 x i64], ptr @tout, i64 0, i64 %78
  store i64 %76, ptr %79, align 8, !tbaa !5
  ret void

80:                                               ; preds = %70
  unreachable
}

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

; 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 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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

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

@up = external dso_local local_unnamed_addr global [20 x [200000 x i64]], align 16
@tin = external dso_local local_unnamed_addr global [200000 x i64], align 16
@tout = external dso_local local_unnamed_addr global [200000 x i64], align 16
@de = external dso_local local_unnamed_addr global [200000 x i64], align 16
@graph = external dso_local global [200000 x %"class.std::vector"], align 16
@t = external dso_local local_unnamed_addr global i64, align 8

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z3dfsxxx(i64 noundef %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = load i64, ptr @t, align 8, !tbaa !5
  %7 = add nsw i64 %6, 1
  store i64 %7, ptr @t, align 8, !tbaa !5
  %8 = getelementptr inbounds [200000 x i64], ptr @tin, i64 0, i64 %0
  store i64 %6, ptr %8, align 8, !tbaa !5
  %9 = getelementptr inbounds [200000 x i64], ptr @de, i64 0, i64 %0
  store i64 %2, ptr %9, align 8, !tbaa !5
  %10 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 0, i64 %0
  %11 = load i64, ptr %10, align 8, !tbaa !5
  %12 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 0, i64 %11
  %13 = load i64, ptr %12, align 8, !tbaa !5
  %14 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 1, i64 %0
  store i64 %13, ptr %14, align 8, !tbaa !5
  %15 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 1, i64 %13
  %16 = load i64, ptr %15, align 8, !tbaa !5
  %17 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 2, i64 %0
  store i64 %16, ptr %17, align 8, !tbaa !5
  %18 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 2, i64 %16
  %19 = load i64, ptr %18, align 8, !tbaa !5
  %20 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 3, i64 %0
  store i64 %19, ptr %20, align 8, !tbaa !5
  %21 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 3, i64 %19
  %22 = load i64, ptr %21, align 8, !tbaa !5
  %23 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 4, i64 %0
  store i64 %22, ptr %23, align 8, !tbaa !5
  %24 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 4, i64 %22
  %25 = load i64, ptr %24, align 8, !tbaa !5
  %26 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 5, i64 %0
  store i64 %25, ptr %26, align 8, !tbaa !5
  %27 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 5, i64 %25
  %28 = load i64, ptr %27, align 8, !tbaa !5
  %29 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 6, i64 %0
  store i64 %28, ptr %29, align 8, !tbaa !5
  %30 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 6, i64 %28
  %31 = load i64, ptr %30, align 8, !tbaa !5
  %32 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 7, i64 %0
  store i64 %31, ptr %32, align 8, !tbaa !5
  %33 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 7, i64 %31
  %34 = load i64, ptr %33, align 8, !tbaa !5
  %35 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 8, i64 %0
  store i64 %34, ptr %35, align 8, !tbaa !5
  %36 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 8, i64 %34
  %37 = load i64, ptr %36, align 8, !tbaa !5
  %38 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 9, i64 %0
  store i64 %37, ptr %38, align 8, !tbaa !5
  %39 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 9, i64 %37
  %40 = load i64, ptr %39, align 8, !tbaa !5
  %41 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 10, i64 %0
  store i64 %40, ptr %41, align 8, !tbaa !5
  %42 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 10, i64 %40
  %43 = load i64, ptr %42, align 8, !tbaa !5
  %44 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 11, i64 %0
  store i64 %43, ptr %44, align 8, !tbaa !5
  %45 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 11, i64 %43
  %46 = load i64, ptr %45, align 8, !tbaa !5
  %47 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 12, i64 %0
  store i64 %46, ptr %47, align 8, !tbaa !5
  %48 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 12, i64 %46
  %49 = load i64, ptr %48, align 8, !tbaa !5
  %50 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 13, i64 %0
  store i64 %49, ptr %50, align 8, !tbaa !5
  %51 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 13, i64 %49
  %52 = load i64, ptr %51, align 8, !tbaa !5
  %53 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 14, i64 %0
  store i64 %52, ptr %53, align 8, !tbaa !5
  %54 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 14, i64 %52
  %55 = load i64, ptr %54, align 8, !tbaa !5
  %56 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 15, i64 %0
  store i64 %55, ptr %56, align 8, !tbaa !5
  %57 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 15, i64 %55
  %58 = load i64, ptr %57, align 8, !tbaa !5
  %59 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 16, i64 %0
  store i64 %58, ptr %59, align 8, !tbaa !5
  %60 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 16, i64 %58
  %61 = load i64, ptr %60, align 8, !tbaa !5
  %62 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 17, i64 %0
  store i64 %61, ptr %62, align 8, !tbaa !5
  %63 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 17, i64 %61
  %64 = load i64, ptr %63, align 8, !tbaa !5
  %65 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 18, i64 %0
  store i64 %64, ptr %65, align 8, !tbaa !5
  %66 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 18, i64 %64
  %67 = load i64, ptr %66, align 8, !tbaa !5
  %68 = getelementptr inbounds [20 x [200000 x i64]], ptr @up, i64 0, i64 19, i64 %0
  store i64 %67, ptr %68, align 8, !tbaa !5
  %69 = getelementptr inbounds [200000 x %"class.std::vector"], ptr @graph, i64 0, i64 %0
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %70 = tail call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %69) #3
  store ptr %70, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  %71 = tail call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %69) #3
  store ptr %71, ptr %5, align 8
  %72 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #3
  br i1 %72, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %3
  %73 = add nsw i64 %2, 1
  br label %77

._crit_edge:                                      ; preds = %83, %3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  %74 = load i64, ptr @t, align 8, !tbaa !5
  %75 = add nsw i64 %74, 1
  store i64 %75, ptr @t, align 8, !tbaa !5
  %76 = getelementptr inbounds [200000 x i64], ptr @tout, i64 0, i64 %0
  store i64 %74, ptr %76, align 8, !tbaa !5
  ret void

77:                                               ; preds = %.lr.ph, %83
  %78 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  %79 = load i64, ptr %78, align 8, !tbaa !5
  %80 = icmp eq i64 %79, %1
  br i1 %80, label %83, label %81

81:                                               ; preds = %77
  %82 = getelementptr inbounds [200000 x i64], ptr @up, i64 0, i64 %79
  store i64 %0, ptr %82, align 8, !tbaa !5
  call void @_Z3dfsxxx(i64 noundef %79, i64 noundef %0, i64 noundef %73)
  br label %83

83:                                               ; preds = %77, %81
  %84 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  %85 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #3
  br i1 %85, label %77, label %._crit_edge
}

; 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 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 ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(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_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 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 #0 align 2

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass