; LLVM IR from ravireddy07/cpp-book :: src/Code-Chef (TADELIVE)

; 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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type { i64, i64 }

@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_Z14compareAbsDiffSt4pairIllES0_(i64, i64, i64, i64) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  %18 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_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 %25

19:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store i64 0, ptr %9, align 8, !tbaa !5
  br label %20

20:                                               ; preds = %35, %19
  %21 = load i64, ptr %9, align 8, !tbaa !5
  %22 = load i64, ptr %2, align 8, !tbaa !5
  %23 = icmp slt i64 %21, %22
  br i1 %23, label %29, label %24

24:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %42

25:                                               ; preds = %0
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %7, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %8, align 4
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  br label %149

29:                                               ; preds = %20
  %30 = load i64, ptr %9, align 8, !tbaa !5
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %30) #6
  %32 = getelementptr inbounds %"struct.std::pair", ptr %31, i32 0, i32 0
  %33 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %32)
          to label %34 unwind label %38

34:                                               ; preds = %29
  br label %35

35:                                               ; preds = %34
  %36 = load i64, ptr %9, align 8, !tbaa !5
  %37 = add nsw i64 %36, 1
  store i64 %37, ptr %9, align 8, !tbaa !5
  br label %20, !llvm.loop !9

38:                                               ; preds = %29
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %7, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %148

42:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 0, ptr %10, align 8, !tbaa !5
  br label %43

43:                                               ; preds = %54, %42
  %44 = load i64, ptr %10, align 8, !tbaa !5
  %45 = load i64, ptr %2, align 8, !tbaa !5
  %46 = icmp slt i64 %44, %45
  br i1 %46, label %48, label %47

47:                                               ; preds = %43
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %61

48:                                               ; preds = %43
  %49 = load i64, ptr %10, align 8, !tbaa !5
  %50 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %49) #6
  %51 = getelementptr inbounds %"struct.std::pair", ptr %50, i32 0, i32 1
  %52 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %51)
          to label %53 unwind label %57

53:                                               ; preds = %48
  br label %54

54:                                               ; preds = %53
  %55 = load i64, ptr %10, align 8, !tbaa !5
  %56 = add nsw i64 %55, 1
  store i64 %56, ptr %10, align 8, !tbaa !5
  br label %43, !llvm.loop !11

57:                                               ; preds = %48
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %7, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %148

61:                                               ; preds = %47
  %62 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %63 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %62, ptr %63, align 8
  %64 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %65 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %64, ptr %65, align 8
  %66 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  %67 = load ptr, ptr %66, align 8
  %68 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  %69 = load ptr, ptr %68, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEPFlS3_S3_EEvT_SB_T0_(ptr %67, ptr %69, ptr noundef @_Z14compareAbsDiffSt4pairIllES0_)
          to label %70 unwind label %76

70:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  store i64 0, ptr %13, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  store i64 0, ptr %14, align 8, !tbaa !5
  br label %71

71:                                               ; preds = %136, %70
  %72 = load i64, ptr %14, align 8, !tbaa !5
  %73 = load i64, ptr %2, align 8, !tbaa !5
  %74 = icmp slt i64 %72, %73
  br i1 %74, label %80, label %75

75:                                               ; preds = %71
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %139

76:                                               ; preds = %61
  %77 = landingpad { ptr, i32 }
          cleanup
  %78 = extractvalue { ptr, i32 } %77, 0
  store ptr %78, ptr %7, align 8
  %79 = extractvalue { ptr, i32 } %77, 1
  store i32 %79, ptr %8, align 4
  br label %148

80:                                               ; preds = %71
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %81 = load i64, ptr %14, align 8, !tbaa !5
  %82 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %81) #6
  %83 = getelementptr inbounds %"struct.std::pair", ptr %82, i32 0, i32 0
  %84 = load i64, ptr %83, align 8, !tbaa !14
  store i64 %84, ptr %15, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  %85 = load i64, ptr %14, align 8, !tbaa !5
  %86 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %85) #6
  %87 = getelementptr inbounds %"struct.std::pair", ptr %86, i32 0, i32 1
  %88 = load i64, ptr %87, align 8, !tbaa !16
  store i64 %88, ptr %16, align 8, !tbaa !5
  %89 = load i64, ptr %15, align 8, !tbaa !5
  %90 = load i64, ptr %16, align 8, !tbaa !5
  %91 = icmp sge i64 %89, %90
  br i1 %91, label %92, label %101

92:                                               ; preds = %80
  %93 = load i64, ptr %3, align 8, !tbaa !5
  %94 = icmp sgt i64 %93, 0
  br i1 %94, label %95, label %101

95:                                               ; preds = %92
  %96 = load i64, ptr %15, align 8, !tbaa !5
  %97 = load i64, ptr %13, align 8, !tbaa !12
  %98 = add nsw i64 %97, %96
  store i64 %98, ptr %13, align 8, !tbaa !12
  %99 = load i64, ptr %3, align 8, !tbaa !5
  %100 = add nsw i64 %99, -1
  store i64 %100, ptr %3, align 8, !tbaa !5
  br label %135

101:                                              ; preds = %92, %80
  %102 = load i64, ptr %15, align 8, !tbaa !5
  %103 = load i64, ptr %16, align 8, !tbaa !5
  %104 = icmp slt i64 %102, %103
  br i1 %104, label %105, label %114

105:                                              ; preds = %101
  %106 = load i64, ptr %4, align 8, !tbaa !5
  %107 = icmp sgt i64 %106, 0
  br i1 %107, label %108, label %114

108:                                              ; preds = %105
  %109 = load i64, ptr %16, align 8, !tbaa !5
  %110 = load i64, ptr %13, align 8, !tbaa !12
  %111 = add nsw i64 %110, %109
  store i64 %111, ptr %13, align 8, !tbaa !12
  %112 = load i64, ptr %4, align 8, !tbaa !5
  %113 = add nsw i64 %112, -1
  store i64 %113, ptr %4, align 8, !tbaa !5
  br label %134

114:                                              ; preds = %105, %101
  %115 = load i64, ptr %3, align 8, !tbaa !5
  %116 = icmp sgt i64 %115, 0
  br i1 %116, label %117, label %123

117:                                              ; preds = %114
  %118 = load i64, ptr %15, align 8, !tbaa !5
  %119 = load i64, ptr %13, align 8, !tbaa !12
  %120 = add nsw i64 %119, %118
  store i64 %120, ptr %13, align 8, !tbaa !12
  %121 = load i64, ptr %3, align 8, !tbaa !5
  %122 = add nsw i64 %121, -1
  store i64 %122, ptr %3, align 8, !tbaa !5
  br label %133

123:                                              ; preds = %114
  %124 = load i64, ptr %4, align 8, !tbaa !5
  %125 = icmp sgt i64 %124, 0
  br i1 %125, label %126, label %132

126:                                              ; preds = %123
  %127 = load i64, ptr %16, align 8, !tbaa !5
  %128 = load i64, ptr %13, align 8, !tbaa !12
  %129 = add nsw i64 %128, %127
  store i64 %129, ptr %13, align 8, !tbaa !12
  %130 = load i64, ptr %4, align 8, !tbaa !5
  %131 = add nsw i64 %130, -1
  store i64 %131, ptr %4, align 8, !tbaa !5
  br label %132

132:                                              ; preds = %126, %123
  br label %133

133:                                              ; preds = %132, %117
  br label %134

134:                                              ; preds = %133, %108
  br label %135

135:                                              ; preds = %134, %95
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  br label %136

136:                                              ; preds = %135
  %137 = load i64, ptr %14, align 8, !tbaa !5
  %138 = add nsw i64 %137, 1
  store i64 %138, ptr %14, align 8, !tbaa !5
  br label %71, !llvm.loop !17

139:                                              ; preds = %75
  %140 = load i64, ptr %13, align 8, !tbaa !12
  %141 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %140)
          to label %142 unwind label %144

142:                                              ; preds = %139
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %143 = load i32, ptr %1, align 4
  ret i32 %143

144:                                              ; preds = %139
  %145 = landingpad { ptr, i32 }
          cleanup
  %146 = extractvalue { ptr, i32 } %145, 0
  store ptr %146, ptr %7, align 8
  %147 = extractvalue { ptr, i32 } %145, 1
  store i32 %147, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %148

148:                                              ; preds = %144, %76, %57, %38
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  br label %149

149:                                              ; preds = %148, %25
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %150

150:                                              ; preds = %149
  %151 = load ptr, ptr %7, align 8
  %152 = load i32, ptr %8, align 4
  %153 = insertvalue { ptr, i32 } poison, ptr %151, 0
  %154 = insertvalue { ptr, i32 } %153, i32 %152, 1
  resume { ptr, i32 } %154
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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) #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) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEPFlS3_S3_EEvT_SB_T0_(ptr, ptr, ptr noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

declare i32 @printf(ptr noundef, ...) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 = !{!"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}
!12 = !{!13, !13, i64 0}
!13 = !{!"long long", !7, i64 0}
!14 = !{!15, !6, i64 0}
!15 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!16 = !{!15, !6, i64 8}
!17 = distinct !{!17, !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" = 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 }

@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_Z14compareAbsDiffSt4pairIllES0_(i64, i64, i64, i64) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  %7 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %7, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %8 unwind label %12

8:                                                ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  %9 = load i64, ptr %1, align 8, !tbaa !5
  %10 = icmp sgt i64 %9, 0
  br i1 %10, label %.lr.ph, label %._crit_edge

.preheader41:                                     ; preds = %.lr.ph
  %11 = icmp sgt i64 %17, 0
  br i1 %11, label %.lr.ph44, label %._crit_edge

12:                                               ; preds = %0
  %13 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  br label %62

.lr.ph:                                           ; preds = %8, %.lr.ph
  %.03242 = phi i64 [ %16, %.lr.ph ], [ 0, %8 ]
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.03242) #6
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %14)
  %16 = add nuw nsw i64 %.03242, 1
  %17 = load i64, ptr %1, align 8, !tbaa !5
  %18 = icmp slt i64 %16, %17
  br i1 %18, label %.lr.ph, label %.preheader41, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph44, %8, %.preheader41
  %19 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %20 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEPFlS3_S3_EEvT_SB_T0_(ptr %19, ptr %20, ptr noundef nonnull @_Z14compareAbsDiffSt4pairIllES0_)
          to label %.preheader unwind label %30

.preheader:                                       ; preds = %._crit_edge
  %21 = load i64, ptr %1, align 8, !tbaa !5
  %22 = icmp sgt i64 %21, 0
  br i1 %22, label %.lr.ph47, label %._crit_edge48

.lr.ph44:                                         ; preds = %.preheader41, %.lr.ph44
  %.03343 = phi i64 [ %26, %.lr.ph44 ], [ 0, %.preheader41 ]
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.03343) #6
  %24 = getelementptr inbounds i8, ptr %23, i64 8
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %24)
  %26 = add nuw nsw i64 %.03343, 1
  %27 = load i64, ptr %1, align 8, !tbaa !5
  %28 = icmp slt i64 %26, %27
  br i1 %28, label %.lr.ph44, label %._crit_edge, !llvm.loop !11

._crit_edge48:                                    ; preds = %58, %.preheader
  %.030.lcssa = phi i64 [ 0, %.preheader ], [ %.1, %58 ]
  %29 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %.030.lcssa)
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret i32 0

30:                                               ; preds = %._crit_edge
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %62

.lr.ph47:                                         ; preds = %.preheader, %58
  %.02946 = phi i64 [ %59, %58 ], [ 0, %.preheader ]
  %.03045 = phi i64 [ %.1, %58 ], [ 0, %.preheader ]
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.02946) #6
  %33 = load i64, ptr %32, align 8, !tbaa !12
  %34 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.02946) #6
  %35 = getelementptr inbounds i8, ptr %34, i64 8
  %36 = load i64, ptr %35, align 8, !tbaa !14
  %37 = icmp sge i64 %33, %36
  %38 = load i64, ptr %2, align 8
  %39 = icmp sgt i64 %38, 0
  %or.cond = select i1 %37, i1 %39, i1 false
  br i1 %or.cond, label %40, label %43

40:                                               ; preds = %.lr.ph47
  %41 = add nsw i64 %33, %.03045
  %42 = add nsw i64 %38, -1
  store i64 %42, ptr %2, align 8, !tbaa !5
  br label %58

43:                                               ; preds = %.lr.ph47
  %44 = icmp slt i64 %33, %36
  %45 = load i64, ptr %3, align 8
  %46 = icmp sgt i64 %45, 0
  %or.cond3 = select i1 %44, i1 %46, i1 false
  br i1 %or.cond3, label %47, label %50

47:                                               ; preds = %43
  %48 = add nsw i64 %36, %.03045
  %49 = add nsw i64 %45, -1
  store i64 %49, ptr %3, align 8, !tbaa !5
  br label %58

50:                                               ; preds = %43
  br i1 %39, label %51, label %54

51:                                               ; preds = %50
  %52 = add nsw i64 %33, %.03045
  %53 = add nsw i64 %38, -1
  store i64 %53, ptr %2, align 8, !tbaa !5
  br label %58

54:                                               ; preds = %50
  br i1 %46, label %55, label %58

55:                                               ; preds = %54
  %56 = add nsw i64 %36, %.03045
  %57 = add nsw i64 %45, -1
  store i64 %57, ptr %3, align 8, !tbaa !5
  br label %58

58:                                               ; preds = %47, %54, %55, %51, %40
  %.1 = phi i64 [ %41, %40 ], [ %48, %47 ], [ %52, %51 ], [ %56, %55 ], [ %.03045, %54 ]
  %59 = add nuw nsw i64 %.02946, 1
  %60 = load i64, ptr %1, align 8, !tbaa !5
  %61 = icmp slt i64 %59, %60
  br i1 %61, label %.lr.ph47, label %._crit_edge48, !llvm.loop !15

62:                                               ; preds = %30, %12
  %.pn = phi { ptr, i32 } [ %31, %30 ], [ %13, %12 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, 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) #2

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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) #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 #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEPFlS3_S3_EEvT_SB_T0_(ptr, ptr, ptr noundef) 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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 = !{!"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}
!12 = !{!13, !6, i64 0}
!13 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!14 = !{!13, !6, i64 8}
!15 = distinct !{!15, !10}


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