; LLVM IR from eyangch/competitive-programming :: Codeforces/160/d.ll (Z3dfsxx)

; 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.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type { i64, i64 }

@ans = external dso_local global [100000 x i64], align 16
@graph = external dso_local global [100000 x %"class.std::vector.0"], align 16
@vis = external dso_local global [100000 x i8], align 16
@in = external dso_local global [100000 x i64], align 16
@lo_in = external dso_local global [100000 x i64], align 16
@gt = external dso_local global i64, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfsxx(i64 noundef %0, i64 noundef %1) #0 {
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  store i64 %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !5
  %12 = load i64, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds [100000 x i8], ptr @vis, i64 0, i64 %12
  store i8 1, ptr %13, align 1, !tbaa !9
  %14 = load i64, ptr @gt, align 8, !tbaa !5
  %15 = add nsw i64 %14, 1
  store i64 %15, ptr @gt, align 8, !tbaa !5
  %16 = load i64, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds [100000 x i64], ptr @lo_in, i64 0, i64 %16
  store i64 %14, ptr %17, align 8, !tbaa !5
  %18 = load i64, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds [100000 x i64], ptr @in, i64 0, i64 %18
  store i64 %14, ptr %19, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %20 = load i64, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds [100000 x %"class.std::vector.0"], ptr @graph, i64 0, i64 %20
  store ptr %21, ptr %5, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %22 = load ptr, ptr %5, align 8, !tbaa !11
  %23 = call ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %22) #5
  %24 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  store ptr %23, ptr %24, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %25 = load ptr, ptr %5, align 8, !tbaa !11
  %26 = call ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #5
  %27 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %26, ptr %27, align 8
  br label %28

28:                                               ; preds = %94, %2
  %29 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIxxESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  br i1 %29, label %31, label %30

30:                                               ; preds = %28
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %96

31:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #5
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIxxESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %9, ptr align 8 %32, i64 16, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %33 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 0
  %34 = load i64, ptr %33, align 8, !tbaa !13
  store i64 %34, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  %35 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 1
  %36 = load i64, ptr %35, align 8, !tbaa !15
  store i64 %36, ptr %11, align 8, !tbaa !5
  %37 = load i64, ptr %11, align 8, !tbaa !5
  %38 = load i64, ptr %4, align 8, !tbaa !5
  %39 = icmp eq i64 %37, %38
  br i1 %39, label %40, label %41

40:                                               ; preds = %31
  store i32 3, ptr %8, align 4
  br label %88

41:                                               ; preds = %31
  %42 = load i64, ptr %10, align 8, !tbaa !5
  %43 = getelementptr inbounds [100000 x i8], ptr @vis, i64 0, i64 %42
  %44 = load i8, ptr %43, align 1, !tbaa !9, !range !16, !noundef !17
  %45 = trunc i8 %44 to i1
  br i1 %45, label %46, label %66

46:                                               ; preds = %41
  %47 = load i64, ptr %3, align 8, !tbaa !5
  %48 = getelementptr inbounds [100000 x i64], ptr @lo_in, i64 0, i64 %47
  %49 = load i64, ptr %10, align 8, !tbaa !5
  %50 = getelementptr inbounds [100000 x i64], ptr @in, i64 0, i64 %49
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %48, ptr noundef nonnull align 8 dereferenceable(8) %50)
  %52 = load i64, ptr %51, align 8, !tbaa !5
  %53 = load i64, ptr %3, align 8, !tbaa !5
  %54 = getelementptr inbounds [100000 x i64], ptr @lo_in, i64 0, i64 %53
  store i64 %52, ptr %54, align 8, !tbaa !5
  %55 = load i64, ptr %10, align 8, !tbaa !5
  %56 = getelementptr inbounds [100000 x i64], ptr @lo_in, i64 0, i64 %55
  %57 = load i64, ptr %56, align 8, !tbaa !5
  %58 = load i64, ptr %3, align 8, !tbaa !5
  %59 = getelementptr inbounds [100000 x i64], ptr @in, i64 0, i64 %58
  %60 = load i64, ptr %59, align 8, !tbaa !5
  %61 = icmp sgt i64 %57, %60
  br i1 %61, label %62, label %65

62:                                               ; preds = %46
  %63 = load i64, ptr %11, align 8, !tbaa !5
  %64 = getelementptr inbounds [100000 x i64], ptr @ans, i64 0, i64 %63
  store i64 2, ptr %64, align 8, !tbaa !5
  br label %65

65:                                               ; preds = %62, %46
  store i32 3, ptr %8, align 4
  br label %88

66:                                               ; preds = %41
  %67 = load i64, ptr %10, align 8, !tbaa !5
  %68 = load i64, ptr %11, align 8, !tbaa !5
  call void @_Z3dfsxx(i64 noundef %67, i64 noundef %68)
  %69 = load i64, ptr %3, align 8, !tbaa !5
  %70 = getelementptr inbounds [100000 x i64], ptr @lo_in, i64 0, i64 %69
  %71 = load i64, ptr %10, align 8, !tbaa !5
  %72 = getelementptr inbounds [100000 x i64], ptr @lo_in, i64 0, i64 %71
  %73 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %70, ptr noundef nonnull align 8 dereferenceable(8) %72)
  %74 = load i64, ptr %73, align 8, !tbaa !5
  %75 = load i64, ptr %3, align 8, !tbaa !5
  %76 = getelementptr inbounds [100000 x i64], ptr @lo_in, i64 0, i64 %75
  store i64 %74, ptr %76, align 8, !tbaa !5
  %77 = load i64, ptr %10, align 8, !tbaa !5
  %78 = getelementptr inbounds [100000 x i64], ptr @lo_in, i64 0, i64 %77
  %79 = load i64, ptr %78, align 8, !tbaa !5
  %80 = load i64, ptr %3, align 8, !tbaa !5
  %81 = getelementptr inbounds [100000 x i64], ptr @in, i64 0, i64 %80
  %82 = load i64, ptr %81, align 8, !tbaa !5
  %83 = icmp sgt i64 %79, %82
  br i1 %83, label %84, label %87

84:                                               ; preds = %66
  %85 = load i64, ptr %11, align 8, !tbaa !5
  %86 = getelementptr inbounds [100000 x i64], ptr @ans, i64 0, i64 %85
  store i64 2, ptr %86, align 8, !tbaa !5
  br label %87

87:                                               ; preds = %84, %66
  store i32 0, ptr %8, align 4
  br label %88

88:                                               ; preds = %87, %65, %40
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  %89 = load i32, ptr %8, align 4
  switch i32 %89, label %91 [
    i32 0, label %90
  ]

90:                                               ; preds = %88
  store i32 0, ptr %8, align 4
  br label %91

91:                                               ; preds = %90, %88
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #5
  %92 = load i32, ptr %8, align 4
  switch i32 %92, label %97 [
    i32 0, label %93
    i32 3, label %94
  ]

93:                                               ; preds = %91
  br label %94

94:                                               ; preds = %93, %91
  %95 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIxxESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  br label %28

96:                                               ; preds = %30
  ret void

97:                                               ; preds = %91
  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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIxxESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(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(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIxxESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; 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 nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIxxESt6vectorIS2_SaIS2_EEEppEv(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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"bool", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = !{!14, !6, i64 0}
!14 = !{!"_ZTSSt4pairIxxE", !6, i64 0, !6, i64 8}
!15 = !{!14, !6, i64 8}
!16 = !{i8 0, i8 2}
!17 = !{}


; 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.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@ans = external dso_local local_unnamed_addr global [100000 x i64], align 16
@graph = external dso_local global [100000 x %"class.std::vector.0"], align 16
@vis = external dso_local local_unnamed_addr global [100000 x i8], align 16
@in = external dso_local global [100000 x i64], align 16
@lo_in = external dso_local global [100000 x i64], align 16
@gt = external dso_local local_unnamed_addr global i64, align 8

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z3dfsxx(i64 noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = getelementptr inbounds [100000 x i8], ptr @vis, i64 0, i64 %0
  store i8 1, ptr %5, align 1, !tbaa !5
  %6 = load i64, ptr @gt, align 8, !tbaa !9
  %7 = add nsw i64 %6, 1
  store i64 %7, ptr @gt, align 8, !tbaa !9
  %8 = getelementptr inbounds [100000 x i64], ptr @lo_in, i64 0, i64 %0
  store i64 %6, ptr %8, align 8, !tbaa !9
  %9 = getelementptr inbounds [100000 x i64], ptr @in, i64 0, i64 %0
  store i64 %6, ptr %9, align 8, !tbaa !9
  %10 = getelementptr inbounds [100000 x %"class.std::vector.0"], ptr @graph, i64 0, i64 %0
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %11 = tail call ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #3
  store ptr %11, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %12 = tail call ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #3
  store ptr %12, ptr %4, align 8
  %13 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIxxESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  br i1 %13, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %36, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  ret void

.lr.ph:                                           ; preds = %2, %36
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIxxESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %.sroa.0.0.copyload = load i64, ptr %14, align 8
  %.sroa.4.0..sroa_idx = getelementptr inbounds i8, ptr %14, i64 8
  %.sroa.4.0.copyload = load i64, ptr %.sroa.4.0..sroa_idx, align 8
  %15 = icmp eq i64 %.sroa.4.0.copyload, %1
  br i1 %15, label %36, label %16

16:                                               ; preds = %.lr.ph
  %17 = getelementptr inbounds [100000 x i8], ptr @vis, i64 0, i64 %.sroa.0.0.copyload
  %18 = load i8, ptr %17, align 1, !tbaa !5, !range !11, !noundef !12
  %19 = trunc nuw i8 %18 to i1
  br i1 %19, label %20, label %28

20:                                               ; preds = %16
  %21 = getelementptr inbounds [100000 x i64], ptr @in, i64 0, i64 %.sroa.0.0.copyload
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %21)
  %23 = load i64, ptr %22, align 8, !tbaa !9
  store i64 %23, ptr %8, align 8, !tbaa !9
  %24 = getelementptr inbounds [100000 x i64], ptr @lo_in, i64 0, i64 %.sroa.0.0.copyload
  %25 = load i64, ptr %24, align 8, !tbaa !9
  %26 = load i64, ptr %9, align 8, !tbaa !9
  %27 = icmp sgt i64 %25, %26
  br i1 %27, label %.sink.split, label %36

28:                                               ; preds = %16
  call void @_Z3dfsxx(i64 noundef %.sroa.0.0.copyload, i64 noundef %.sroa.4.0.copyload)
  %29 = getelementptr inbounds [100000 x i64], ptr @lo_in, i64 0, i64 %.sroa.0.0.copyload
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %29)
  %31 = load i64, ptr %30, align 8, !tbaa !9
  store i64 %31, ptr %8, align 8, !tbaa !9
  %32 = load i64, ptr %29, align 8, !tbaa !9
  %33 = load i64, ptr %9, align 8, !tbaa !9
  %34 = icmp sgt i64 %32, %33
  br i1 %34, label %.sink.split, label %36

.sink.split:                                      ; preds = %28, %20
  %35 = getelementptr inbounds [100000 x i64], ptr @ans, i64 0, i64 %.sroa.4.0.copyload
  store i64 2, ptr %35, align 8, !tbaa !9
  br label %36

36:                                               ; preds = %.sink.split, %28, %20, %.lr.ph
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIxxESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %38 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIxxESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  br i1 %38, label %.lr.ph, 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE3endEv(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_cxxneIPSt4pairIxxESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(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(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIxxESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) 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 nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIxxESt6vectorIS2_SaIS2_EEEppEv(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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}


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