; LLVM IR from DionysiosB/CodeForces :: 1866C-CompletelySearchingForInversions (main)

; 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::vector<std::pair<long long, int>>, std::allocator<std::vector<std::pair<long long, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::pair<long long, int>>, std::allocator<std::vector<std::pair<long long, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::pair<long long, int>>, std::allocator<std::vector<std::pair<long long, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::pair<long long, int>>, std::allocator<std::vector<std::pair<long long, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long long, int>, std::allocator<std::pair<long long, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, int>, std::allocator<std::pair<long long, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, int>, std::allocator<std::pair<long long, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, int>, std::allocator<std::pair<long long, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"struct.std::pair" = type <{ i64, i32, [4 x i8] }>

@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsRKSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EERKxRxSA_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #0

declare i32 @printf(ptr noundef, ...) #1

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #4 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::vector.0", align 8
  %4 = alloca %"class.std::allocator.2", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #5
  %17 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #5
  call void @_ZNSaISt6vectorISt4pairIxiESaIS1_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %17, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %18 unwind label %24

18:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt6vectorISt4pairIxiESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  store i64 0, ptr %7, align 8, !tbaa !5
  br label %19

19:                                               ; preds = %67, %18
  %20 = load i64, ptr %7, align 8, !tbaa !5
  %21 = load i64, ptr %2, align 8, !tbaa !5
  %22 = icmp slt i64 %20, %21
  br i1 %22, label %28, label %23

23:                                               ; preds = %19
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %77

24:                                               ; preds = %0
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %5, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %6, align 4
  call void @_ZNSt15__new_allocatorISt6vectorISt4pairIxiESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #5
  br label %93

28:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %29 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %9)
          to label %30 unwind label %38

30:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #5
  %31 = load i64, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #5
  call void @_ZNSaISt4pairIxiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  invoke void @_ZNSt6vectorISt4pairIxiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %31, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %32 unwind label %42

32:                                               ; preds = %30
  call void @_ZNSt15__new_allocatorISt4pairIxiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  store i64 0, ptr %12, align 8, !tbaa !5
  br label %33

33:                                               ; preds = %55, %32
  %34 = load i64, ptr %12, align 8, !tbaa !5
  %35 = load i64, ptr %9, align 8, !tbaa !5
  %36 = icmp slt i64 %34, %35
  br i1 %36, label %46, label %37

37:                                               ; preds = %33
  store i32 5, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %62

38:                                               ; preds = %28
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %5, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %6, align 4
  br label %76

42:                                               ; preds = %30
  %43 = landingpad { ptr, i32 }
          cleanup
  %44 = extractvalue { ptr, i32 } %43, 0
  store ptr %44, ptr %5, align 8
  %45 = extractvalue { ptr, i32 } %43, 1
  store i32 %45, ptr %6, align 4
  call void @_ZNSt15__new_allocatorISt4pairIxiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #5
  br label %75

46:                                               ; preds = %33
  %47 = load i64, ptr %12, align 8, !tbaa !5
  %48 = call noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIxiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %47) #5
  %49 = getelementptr inbounds %"struct.std::pair", ptr %48, i32 0, i32 0
  %50 = load i64, ptr %12, align 8, !tbaa !5
  %51 = call noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIxiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %50) #5
  %52 = getelementptr inbounds %"struct.std::pair", ptr %51, i32 0, i32 1
  %53 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %49, ptr noundef %52)
          to label %54 unwind label %58

54:                                               ; preds = %46
  br label %55

55:                                               ; preds = %54
  %56 = load i64, ptr %12, align 8, !tbaa !5
  %57 = add nsw i64 %56, 1
  store i64 %57, ptr %12, align 8, !tbaa !5
  br label %33, !llvm.loop !9

58:                                               ; preds = %46
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %5, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %74

62:                                               ; preds = %37
  %63 = load i64, ptr %7, align 8, !tbaa !5
  %64 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %63) #5
  %65 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorISt4pairIxiESaIS1_EEaSERKS3_(ptr noundef nonnull align 8 dereferenceable(24) %64, ptr noundef nonnull align 8 dereferenceable(24) %10)
          to label %66 unwind label %70

66:                                               ; preds = %62
  call void @_ZNSt6vectorISt4pairIxiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %67

67:                                               ; preds = %66
  %68 = load i64, ptr %7, align 8, !tbaa !5
  %69 = add nsw i64 %68, 1
  store i64 %69, ptr %7, align 8, !tbaa !5
  br label %19, !llvm.loop !11

70:                                               ; preds = %62
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %5, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %6, align 4
  br label %74

74:                                               ; preds = %70, %58
  call void @_ZNSt6vectorISt4pairIxiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  br label %75

75:                                               ; preds = %74, %42
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #5
  br label %76

76:                                               ; preds = %75, %38
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %92

77:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  store i64 0, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  store i64 0, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  store i64 0, ptr %15, align 8, !tbaa !5
  invoke void @_Z3dfsRKSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EERKxRxSA_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14)
          to label %78 unwind label %83

78:                                               ; preds = %77
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  %79 = load i64, ptr %14, align 8, !tbaa !5
  %80 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.3, i64 noundef %79)
          to label %81 unwind label %87

81:                                               ; preds = %78
  store i32 0, ptr %1, align 4
  store i32 1, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  call void @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %82 = load i32, ptr %1, align 4
  ret i32 %82

83:                                               ; preds = %77
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %5, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  br label %91

87:                                               ; preds = %78
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %5, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %6, align 4
  br label %91

91:                                               ; preds = %87, %83
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %92

92:                                               ; preds = %91, %76
  call void @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br label %93

93:                                               ; preds = %92, %24
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %94

94:                                               ; preds = %93
  %95 = load ptr, ptr %5, align 8
  %96 = load i32, ptr %6, align 4
  %97 = insertvalue { ptr, i32 } poison, ptr %95, 0
  %98 = insertvalue { ptr, i32 } %97, i32 %96, 1
  resume { ptr, i32 } %98
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorISt4pairIxiESaIS1_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIxiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIxiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIxiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorISt4pairIxiESaIS1_EEaSERKS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorISt4pairIxiESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = { mustprogress norecurse 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; 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::vector<std::pair<long long, int>>, std::allocator<std::vector<std::pair<long long, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::pair<long long, int>>, std::allocator<std::vector<std::pair<long long, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::pair<long long, int>>, std::allocator<std::vector<std::pair<long long, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::pair<long long, int>>, std::allocator<std::vector<std::pair<long long, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long long, int>, std::allocator<std::pair<long long, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, int>, std::allocator<std::pair<long long, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, int>, std::allocator<std::pair<long long, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, int>, std::allocator<std::pair<long long, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsRKSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EERKxRxSA_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #4 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca %"class.std::vector.0", align 8
  %3 = alloca %"class.std::allocator.2", align 1
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #5
  %11 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #5
  call void @_ZNSaISt6vectorISt4pairIxiESaIS1_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  invoke void @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %11, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %12 unwind label %15

12:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt6vectorISt4pairIxiESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  %13 = load i64, ptr %1, align 8, !tbaa !5
  %14 = icmp sgt i64 %13, 0
  br i1 %14, label %.lr.ph20, label %._crit_edge21

._crit_edge21:                                    ; preds = %33, %12
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  store i64 0, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  store i64 0, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #5
  store i64 0, ptr %9, align 8, !tbaa !5
  invoke void @_Z3dfsRKSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EERKxRxSA_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %40 unwind label %43

15:                                               ; preds = %0
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt6vectorISt4pairIxiESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  br label %46

.lr.ph20:                                         ; preds = %12, %33
  %.0918 = phi i64 [ %34, %33 ], [ 0, %12 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #5
  %18 = load i64, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #5
  call void @_ZNSaISt4pairIxiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  invoke void @_ZNSt6vectorISt4pairIxiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %18, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %19 unwind label %24

19:                                               ; preds = %.lr.ph20
  call void @_ZNSt15__new_allocatorISt4pairIxiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  %20 = load i64, ptr %4, align 8, !tbaa !5
  %21 = icmp sgt i64 %20, 0
  br i1 %21, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %19
  %22 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.0918) #5
  %23 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorISt4pairIxiESaIS1_EEaSERKS3_(ptr noundef nonnull align 8 dereferenceable(24) %22, ptr noundef nonnull align 8 dereferenceable(24) %5)
          to label %33 unwind label %37

24:                                               ; preds = %.lr.ph20
  %25 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIxiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  br label %39

.lr.ph:                                           ; preds = %19, %.lr.ph
  %.017 = phi i64 [ %30, %.lr.ph ], [ 0, %19 ]
  %26 = call noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIxiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.017) #5
  %27 = call noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIxiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.017) #5
  %28 = getelementptr inbounds i8, ptr %27, i64 8
  %29 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %26, ptr noundef nonnull %28)
  %30 = add nuw nsw i64 %.017, 1
  %31 = load i64, ptr %4, align 8, !tbaa !5
  %32 = icmp slt i64 %30, %31
  br i1 %32, label %.lr.ph, label %._crit_edge, !llvm.loop !9

33:                                               ; preds = %._crit_edge
  call void @_ZNSt6vectorISt4pairIxiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  %34 = add nuw nsw i64 %.0918, 1
  %35 = load i64, ptr %1, align 8, !tbaa !5
  %36 = icmp slt i64 %34, %35
  br i1 %36, label %.lr.ph20, label %._crit_edge21, !llvm.loop !11

37:                                               ; preds = %._crit_edge
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorISt4pairIxiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  br label %39

39:                                               ; preds = %37, %24
  %.pn = phi { ptr, i32 } [ %38, %37 ], [ %25, %24 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  br label %45

40:                                               ; preds = %._crit_edge21
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  %41 = load i64, ptr %8, align 8, !tbaa !5
  %42 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %41)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  call void @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0

43:                                               ; preds = %._crit_edge21
  %44 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  br label %45

45:                                               ; preds = %43, %39
  %.pn.pn = phi { ptr, i32 } [ %.pn, %39 ], [ %44, %43 ]
  call void @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  br label %46

46:                                               ; preds = %45, %15
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %45 ], [ %16, %15 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn.pn.pn
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorISt4pairIxiESaIS1_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIxiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIxiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIxiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorISt4pairIxiESaIS1_EEaSERKS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_ISt4pairIxiESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorISt4pairIxiESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 = { nofree nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = { mustprogress norecurse 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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