; LLVM IR from DionysiosB/CodeForces :: 0500-0599 (558A-LalaLandAndAppleTrees)

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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"struct.std::pair" = type { i64, i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca %"struct.std::pair", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  store i64 0, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #6
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %20, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %21 unwind label %27

21:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %22

22:                                               ; preds = %59, %21
  %23 = load i32, ptr %10, align 4, !tbaa !5
  %24 = load i32, ptr %2, align 4, !tbaa !5
  %25 = icmp slt i32 %23, %24
  br i1 %25, label %31, label %26

26:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %63

27:                                               ; preds = %0
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %8, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %9, align 4
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  br label %138

31:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %32 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %11, ptr noundef %12)
          to label %33 unwind label %44

33:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 16, ptr %13) #6
  invoke void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12)
          to label %34 unwind label %48

34:                                               ; preds = %33
  %35 = load i32, ptr %10, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %36) #6
  %38 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %37, ptr noundef nonnull align 8 dereferenceable(16) %13) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #6
  %39 = load i64, ptr %11, align 8, !tbaa !9
  %40 = icmp sgt i64 %39, 0
  br i1 %40, label %41, label %52

41:                                               ; preds = %34
  %42 = load i32, ptr %3, align 4, !tbaa !5
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %3, align 4, !tbaa !5
  br label %55

44:                                               ; preds = %31
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %8, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %9, align 4
  br label %62

48:                                               ; preds = %33
  %49 = landingpad { ptr, i32 }
          cleanup
  %50 = extractvalue { ptr, i32 } %49, 0
  store ptr %50, ptr %8, align 8
  %51 = extractvalue { ptr, i32 } %49, 1
  store i32 %51, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #6
  br label %62

52:                                               ; preds = %34
  %53 = load i32, ptr %4, align 4, !tbaa !5
  %54 = add nsw i32 %53, 1
  store i32 %54, ptr %4, align 4, !tbaa !5
  br label %55

55:                                               ; preds = %52, %41
  %56 = load i64, ptr %12, align 8, !tbaa !9
  %57 = load i64, ptr %5, align 8, !tbaa !9
  %58 = add nsw i64 %57, %56
  store i64 %58, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %59

59:                                               ; preds = %55
  %60 = load i32, ptr %10, align 4, !tbaa !5
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %10, align 4, !tbaa !5
  br label %22, !llvm.loop !11

62:                                               ; preds = %48, %44
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %137

63:                                               ; preds = %26
  %64 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %65 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %64, ptr %65, align 8
  %66 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %67 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %66, ptr %67, align 8
  %68 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  %69 = load ptr, ptr %68, align 8
  %70 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  %71 = load ptr, ptr %70, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %69, ptr %71)
          to label %72 unwind label %86

72:                                               ; preds = %63
  %73 = load i32, ptr %3, align 4, !tbaa !5
  %74 = load i32, ptr %4, align 4, !tbaa !5
  %75 = sub nsw i32 %74, 1
  %76 = icmp slt i32 %73, %75
  br i1 %76, label %77, label %102

77:                                               ; preds = %72
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #6
  store i32 0, ptr %16, align 4, !tbaa !5
  br label %78

78:                                               ; preds = %98, %77
  %79 = load i32, ptr %16, align 4, !tbaa !5
  %80 = load i32, ptr %4, align 4, !tbaa !5
  %81 = sub nsw i32 %80, 1
  %82 = load i32, ptr %3, align 4, !tbaa !5
  %83 = sub nsw i32 %81, %82
  %84 = icmp slt i32 %79, %83
  br i1 %84, label %90, label %85

85:                                               ; preds = %78
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  br label %101

86:                                               ; preds = %132, %63
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %8, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %9, align 4
  br label %137

90:                                               ; preds = %78
  %91 = load i32, ptr %16, align 4, !tbaa !5
  %92 = sext i32 %91 to i64
  %93 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %92) #6
  %94 = getelementptr inbounds %"struct.std::pair", ptr %93, i32 0, i32 1
  %95 = load i64, ptr %94, align 8, !tbaa !13
  %96 = load i64, ptr %5, align 8, !tbaa !9
  %97 = sub nsw i64 %96, %95
  store i64 %97, ptr %5, align 8, !tbaa !9
  br label %98

98:                                               ; preds = %90
  %99 = load i32, ptr %16, align 4, !tbaa !5
  %100 = add nsw i32 %99, 1
  store i32 %100, ptr %16, align 4, !tbaa !5
  br label %78, !llvm.loop !15

101:                                              ; preds = %85
  br label %132

102:                                              ; preds = %72
  %103 = load i32, ptr %4, align 4, !tbaa !5
  %104 = load i32, ptr %3, align 4, !tbaa !5
  %105 = sub nsw i32 %104, 1
  %106 = icmp slt i32 %103, %105
  br i1 %106, label %107, label %131

107:                                              ; preds = %102
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #6
  store i32 0, ptr %17, align 4, !tbaa !5
  br label %108

108:                                              ; preds = %127, %107
  %109 = load i32, ptr %17, align 4, !tbaa !5
  %110 = load i32, ptr %3, align 4, !tbaa !5
  %111 = sub nsw i32 %110, 1
  %112 = load i32, ptr %4, align 4, !tbaa !5
  %113 = sub nsw i32 %111, %112
  %114 = icmp slt i32 %109, %113
  br i1 %114, label %116, label %115

115:                                              ; preds = %108
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  br label %130

116:                                              ; preds = %108
  %117 = load i32, ptr %2, align 4, !tbaa !5
  %118 = sub nsw i32 %117, 1
  %119 = load i32, ptr %17, align 4, !tbaa !5
  %120 = sub nsw i32 %118, %119
  %121 = sext i32 %120 to i64
  %122 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %121) #6
  %123 = getelementptr inbounds %"struct.std::pair", ptr %122, i32 0, i32 1
  %124 = load i64, ptr %123, align 8, !tbaa !13
  %125 = load i64, ptr %5, align 8, !tbaa !9
  %126 = sub nsw i64 %125, %124
  store i64 %126, ptr %5, align 8, !tbaa !9
  br label %127

127:                                              ; preds = %116
  %128 = load i32, ptr %17, align 4, !tbaa !5
  %129 = add nsw i32 %128, 1
  store i32 %129, ptr %17, align 4, !tbaa !5
  br label %108, !llvm.loop !16

130:                                              ; preds = %115
  br label %131

131:                                              ; preds = %130, %102
  br label %132

132:                                              ; preds = %131, %101
  %133 = load i64, ptr %5, align 8, !tbaa !9
  %134 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %133)
          to label %135 unwind label %86

135:                                              ; preds = %132
  store i32 0, ptr %1, align 4
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %136 = load i32, ptr %1, align 4
  ret i32 %136

137:                                              ; preds = %86, %62
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  br label %138

138:                                              ; preds = %137, %27
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %139

139:                                              ; preds = %138
  %140 = load ptr, ptr %8, align 8
  %141 = load i32, ptr %9, align 4
  %142 = insertvalue { ptr, i32 } poison, ptr %140, 0
  %143 = insertvalue { ptr, i32 } %142, i32 %141, 1
  resume { ptr, i32 } %143
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 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) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_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(16) ptr @_ZNSt4pairIllEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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 #5 = { 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 #6 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !10, i64 8}
!14 = !{!"_ZTSSt4pairIllE", !10, i64 0, !10, i64 8}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}


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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"struct.std::pair" = type { i64, i64 }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #6
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %9, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %10 unwind label %15

10:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %12 = icmp sgt i32 %11, 0
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %10
  %.033.lcssa = phi i32 [ 0, %10 ], [ %.134, %.lr.ph ]
  %.031.lcssa = phi i64 [ 0, %10 ], [ %25, %.lr.ph ]
  %.027.lcssa = phi i32 [ 0, %10 ], [ %.1, %.lr.ph ]
  %13 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %14 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %13, ptr %14)
          to label %29 unwind label %34

15:                                               ; preds = %0
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  br label %55

.lr.ph:                                           ; preds = %10, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %10 ]
  %.02743 = phi i32 [ %.1, %.lr.ph ], [ 0, %10 ]
  %.03141 = phi i64 [ %25, %.lr.ph ], [ 0, %10 ]
  %.03340 = phi i32 [ %.134, %.lr.ph ], [ 0, %10 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %4, ptr noundef nonnull %5)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #6
  call void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5)
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #6
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 8 dereferenceable(16) %6) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #6
  %20 = load i64, ptr %4, align 8, !tbaa !9
  %21 = icmp slt i64 %20, 1
  %22 = zext i1 %21 to i32
  %.134 = add nuw nsw i32 %.03340, %22
  %not. = xor i1 %21, true
  %23 = zext i1 %not. to i32
  %.1 = add nuw nsw i32 %.02743, %23
  %24 = load i64, ptr %5, align 8, !tbaa !9
  %25 = add nsw i64 %24, %.03141
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %26 = load i32, ptr %1, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = icmp slt i64 %indvars.iv.next, %27
  br i1 %28, label %.lr.ph, label %._crit_edge, !llvm.loop !11

29:                                               ; preds = %._crit_edge
  %30 = add nsw i32 %.033.lcssa, -1
  %31 = icmp slt i32 %.027.lcssa, %30
  br i1 %31, label %.preheader, label %40

.preheader:                                       ; preds = %29
  %32 = sub nsw i32 %30, %.027.lcssa
  %33 = icmp sgt i32 %32, 0
  br i1 %33, label %.lr.ph52.preheader, label %.loopexit

.lr.ph52.preheader:                               ; preds = %.preheader
  %wide.trip.count = zext nneg i32 %32 to i64
  br label %.lr.ph52

34:                                               ; preds = %._crit_edge
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  br label %55

.lr.ph52:                                         ; preds = %.lr.ph52.preheader, %.lr.ph52
  %indvars.iv58 = phi i64 [ 0, %.lr.ph52.preheader ], [ %indvars.iv.next59, %.lr.ph52 ]
  %.13250 = phi i64 [ %.031.lcssa, %.lr.ph52.preheader ], [ %39, %.lr.ph52 ]
  %36 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv58) #6
  %37 = getelementptr inbounds i8, ptr %36, i64 8
  %38 = load i64, ptr %37, align 8, !tbaa !13
  %39 = sub nsw i64 %.13250, %38
  %indvars.iv.next59 = add nuw nsw i64 %indvars.iv58, 1
  %exitcond61.not = icmp eq i64 %indvars.iv.next59, %wide.trip.count
  br i1 %exitcond61.not, label %.loopexit, label %.lr.ph52, !llvm.loop !15

40:                                               ; preds = %29
  %41 = add nsw i32 %.027.lcssa, -1
  %42 = icmp slt i32 %.033.lcssa, %41
  br i1 %42, label %.preheader38, label %.loopexit

.preheader38:                                     ; preds = %40
  %43 = sub nsw i32 %41, %.033.lcssa
  %44 = icmp sgt i32 %43, 0
  br i1 %44, label %.lr.ph48, label %.loopexit

.lr.ph48:                                         ; preds = %.preheader38, %.lr.ph48
  %.047 = phi i32 [ %53, %.lr.ph48 ], [ 0, %.preheader38 ]
  %.246 = phi i64 [ %52, %.lr.ph48 ], [ %.031.lcssa, %.preheader38 ]
  %45 = load i32, ptr %1, align 4, !tbaa !5
  %46 = xor i32 %.047, -1
  %47 = add i32 %45, %46
  %48 = sext i32 %47 to i64
  %49 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %48) #6
  %50 = getelementptr inbounds i8, ptr %49, i64 8
  %51 = load i64, ptr %50, align 8, !tbaa !13
  %52 = sub nsw i64 %.246, %51
  %53 = add nuw nsw i32 %.047, 1
  %exitcond.not = icmp eq i32 %53, %43
  br i1 %exitcond.not, label %.loopexit, label %.lr.ph48, !llvm.loop !16

.loopexit:                                        ; preds = %.lr.ph48, %.lr.ph52, %.preheader38, %.preheader, %40
  %.3 = phi i64 [ %.031.lcssa, %40 ], [ %.031.lcssa, %.preheader ], [ %.031.lcssa, %.preheader38 ], [ %39, %.lr.ph52 ], [ %52, %.lr.ph48 ]
  %54 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %.3)
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

55:                                               ; preds = %34, %15
  %.pn = phi { ptr, i32 } [ %35, %34 ], [ %16, %15 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  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: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 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) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_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(16) ptr @_ZNSt4pairIllEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 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 = { 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 #6 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !10, i64 8}
!14 = !{!"_ZTSSt4pairIllE", !10, i64 0, !10, i64 8}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass