; LLVM IR from DionysiosB/CodeForces :: 0001-0099 (91B-Queue)

; 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 }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = 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 [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [1 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 i64, align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca i64, align 8
  %11 = alloca %"class.std::vector.0", align 8
  %12 = alloca %"class.std::allocator.2", align 1
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #6
  %16 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %16, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %17 unwind label %23

17:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 0, ptr %7, align 8, !tbaa !5
  br label %18

18:                                               ; preds = %37, %17
  %19 = load i64, ptr %7, align 8, !tbaa !5
  %20 = load i64, ptr %2, align 8, !tbaa !5
  %21 = icmp slt i64 %19, %20
  br i1 %21, label %27, label %22

22:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %44

23:                                               ; preds = %0
  %24 = landingpad { ptr, i32 }
          cleanup
  %25 = extractvalue { ptr, i32 } %24, 0
  store ptr %25, ptr %5, align 8
  %26 = extractvalue { ptr, i32 } %24, 1
  store i32 %26, ptr %6, align 4
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #6
  br label %140

27:                                               ; preds = %18
  %28 = load i64, ptr %7, align 8, !tbaa !5
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %28) #6
  %30 = getelementptr inbounds %"struct.std::pair", ptr %29, i32 0, i32 0
  %31 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %30)
          to label %32 unwind label %40

32:                                               ; preds = %27
  %33 = load i64, ptr %7, align 8, !tbaa !5
  %34 = load i64, ptr %7, align 8, !tbaa !5
  %35 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %34) #6
  %36 = getelementptr inbounds %"struct.std::pair", ptr %35, i32 0, i32 1
  store i64 %33, ptr %36, align 8, !tbaa !9
  br label %37

37:                                               ; preds = %32
  %38 = load i64, ptr %7, align 8, !tbaa !5
  %39 = add nsw i64 %38, 1
  store i64 %39, ptr %7, align 8, !tbaa !5
  br label %18, !llvm.loop !11

40:                                               ; preds = %27
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %5, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %139

44:                                               ; preds = %22
  %45 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %46 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %45, ptr %46, align 8
  %47 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %48 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %47, ptr %48, align 8
  %49 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  %50 = load ptr, ptr %49, align 8
  %51 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  %52 = load ptr, ptr %51, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %50, ptr %52)
          to label %53 unwind label %61

53:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 -1, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #6
  %54 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %54, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %55 unwind label %65

55:                                               ; preds = %53
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  store i64 0, ptr %13, align 8, !tbaa !5
  br label %56

56:                                               ; preds = %107, %55
  %57 = load i64, ptr %13, align 8, !tbaa !5
  %58 = load i64, ptr %2, align 8, !tbaa !5
  %59 = icmp slt i64 %57, %58
  br i1 %59, label %69, label %60

60:                                               ; preds = %56
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %110

61:                                               ; preds = %44
  %62 = landingpad { ptr, i32 }
          cleanup
  %63 = extractvalue { ptr, i32 } %62, 0
  store ptr %63, ptr %5, align 8
  %64 = extractvalue { ptr, i32 } %62, 1
  store i32 %64, ptr %6, align 4
  br label %139

65:                                               ; preds = %53
  %66 = landingpad { ptr, i32 }
          cleanup
  %67 = extractvalue { ptr, i32 } %66, 0
  store ptr %67, ptr %5, align 8
  %68 = extractvalue { ptr, i32 } %66, 1
  store i32 %68, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #6
  br label %138

69:                                               ; preds = %56
  %70 = load i64, ptr %13, align 8, !tbaa !5
  %71 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %70) #6
  %72 = getelementptr inbounds %"struct.std::pair", ptr %71, i32 0, i32 1
  %73 = load i64, ptr %72, align 8, !tbaa !9
  %74 = load i64, ptr %10, align 8, !tbaa !5
  %75 = icmp sgt i64 %73, %74
  br i1 %75, label %76, label %77

76:                                               ; preds = %69
  br label %85

77:                                               ; preds = %69
  %78 = load i64, ptr %10, align 8, !tbaa !5
  %79 = load i64, ptr %13, align 8, !tbaa !5
  %80 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %79) #6
  %81 = getelementptr inbounds %"struct.std::pair", ptr %80, i32 0, i32 1
  %82 = load i64, ptr %81, align 8, !tbaa !9
  %83 = sub nsw i64 %78, %82
  %84 = sub nsw i64 %83, 1
  br label %85

85:                                               ; preds = %77, %76
  %86 = phi i64 [ -1, %76 ], [ %84, %77 ]
  %87 = load i64, ptr %13, align 8, !tbaa !5
  %88 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %87) #6
  %89 = getelementptr inbounds %"struct.std::pair", ptr %88, i32 0, i32 1
  %90 = load i64, ptr %89, align 8, !tbaa !9
  %91 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %90) #6
  store i64 %86, ptr %91, align 8, !tbaa !5
  %92 = load i64, ptr %10, align 8, !tbaa !5
  %93 = load i64, ptr %13, align 8, !tbaa !5
  %94 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %93) #6
  %95 = getelementptr inbounds %"struct.std::pair", ptr %94, i32 0, i32 1
  %96 = load i64, ptr %95, align 8, !tbaa !9
  %97 = icmp sgt i64 %92, %96
  br i1 %97, label %98, label %100

98:                                               ; preds = %85
  %99 = load i64, ptr %10, align 8, !tbaa !5
  br label %105

100:                                              ; preds = %85
  %101 = load i64, ptr %13, align 8, !tbaa !5
  %102 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %101) #6
  %103 = getelementptr inbounds %"struct.std::pair", ptr %102, i32 0, i32 1
  %104 = load i64, ptr %103, align 8, !tbaa !9
  br label %105

105:                                              ; preds = %100, %98
  %106 = phi i64 [ %99, %98 ], [ %104, %100 ]
  store i64 %106, ptr %10, align 8, !tbaa !5
  br label %107

107:                                              ; preds = %105
  %108 = load i64, ptr %13, align 8, !tbaa !5
  %109 = add nsw i64 %108, 1
  store i64 %109, ptr %13, align 8, !tbaa !5
  br label %56, !llvm.loop !13

110:                                              ; preds = %60
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  store i64 0, ptr %14, align 8, !tbaa !5
  br label %111

111:                                              ; preds = %122, %110
  %112 = load i64, ptr %14, align 8, !tbaa !5
  %113 = load i64, ptr %2, align 8, !tbaa !5
  %114 = icmp slt i64 %112, %113
  br i1 %114, label %116, label %115

115:                                              ; preds = %111
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %129

116:                                              ; preds = %111
  %117 = load i64, ptr %14, align 8, !tbaa !5
  %118 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %117) #6
  %119 = load i64, ptr %118, align 8, !tbaa !5
  %120 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %119)
          to label %121 unwind label %125

121:                                              ; preds = %116
  br label %122

122:                                              ; preds = %121
  %123 = load i64, ptr %14, align 8, !tbaa !5
  %124 = add nsw i64 %123, 1
  store i64 %124, ptr %14, align 8, !tbaa !5
  br label %111, !llvm.loop !14

125:                                              ; preds = %116
  %126 = landingpad { ptr, i32 }
          cleanup
  %127 = extractvalue { ptr, i32 } %126, 0
  store ptr %127, ptr %5, align 8
  %128 = extractvalue { ptr, i32 } %126, 1
  store i32 %128, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %137

129:                                              ; preds = %115
  %130 = invoke i32 @puts(ptr noundef @.str.2)
          to label %131 unwind label %133

131:                                              ; preds = %129
  store i32 0, ptr %1, align 4
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %132 = load i32, ptr %1, align 4
  ret i32 %132

133:                                              ; preds = %129
  %134 = landingpad { ptr, i32 }
          cleanup
  %135 = extractvalue { ptr, i32 } %134, 0
  store ptr %135, ptr %5, align 8
  %136 = extractvalue { ptr, i32 } %134, 1
  store i32 %136, ptr %6, align 4
  br label %137

137:                                              ; preds = %133, %125
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  br label %138

138:                                              ; preds = %137, %65
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %139

139:                                              ; preds = %138, %61, %40
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %140

140:                                              ; preds = %139, %23
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %141

141:                                              ; preds = %140
  %142 = load ptr, ptr %5, align 8
  %143 = load i32, ptr %6, align 4
  %144 = insertvalue { ptr, i32 } poison, ptr %142, 0
  %145 = insertvalue { ptr, i32 } %144, i32 %143, 1
  resume { ptr, i32 } %145
}

; 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 noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

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

declare i32 @puts(ptr noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !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 }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [1 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 i64, align 8
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca %"class.std::vector.0", align 8
  %5 = alloca %"class.std::allocator.2", align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %6 = 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
  %7 = load i64, ptr %1, align 8, !tbaa !5
  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 %7, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %8 unwind label %13

8:                                                ; 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
  %9 = load i64, ptr %1, align 8, !tbaa !5
  %10 = icmp sgt i64 %9, 0
  br i1 %10, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %8
  %11 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %12 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %11, ptr %12)
          to label %22 unwind label %28

13:                                               ; preds = %0
  %14 = 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 %69

.lr.ph:                                           ; preds = %8, %.lr.ph
  %.02530 = phi i64 [ %19, %.lr.ph ], [ 0, %8 ]
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02530) #6
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %15)
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02530) #6
  %18 = getelementptr inbounds i8, ptr %17, i64 8
  store i64 %.02530, ptr %18, align 8, !tbaa !9
  %19 = add nuw nsw i64 %.02530, 1
  %20 = load i64, ptr %1, align 8, !tbaa !5
  %21 = icmp slt i64 %19, %20
  br i1 %21, label %.lr.ph, label %._crit_edge, !llvm.loop !11

22:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  %23 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %23, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %24 unwind label %30

24:                                               ; preds = %22
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  %25 = load i64, ptr %1, align 8, !tbaa !5
  %26 = icmp sgt i64 %25, 0
  br i1 %26, label %.lr.ph34, label %._crit_edge37

.preheader:                                       ; preds = %56
  %27 = icmp sgt i64 %59, 0
  br i1 %27, label %.lr.ph36, label %._crit_edge37

28:                                               ; preds = %._crit_edge
  %29 = landingpad { ptr, i32 }
          cleanup
  br label %68

30:                                               ; preds = %22
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  br label %68

.lr.ph34:                                         ; preds = %24, %56
  %.02232 = phi i64 [ %58, %56 ], [ 0, %24 ]
  %.02331 = phi i64 [ %57, %56 ], [ -1, %24 ]
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02232) #6
  %33 = getelementptr inbounds i8, ptr %32, i64 8
  %34 = load i64, ptr %33, align 8, !tbaa !9
  %35 = icmp sgt i64 %34, %.02331
  br i1 %35, label %42, label %36

36:                                               ; preds = %.lr.ph34
  %37 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02232) #6
  %38 = getelementptr inbounds i8, ptr %37, i64 8
  %39 = load i64, ptr %38, align 8, !tbaa !9
  %40 = xor i64 %39, -1
  %41 = add i64 %.02331, %40
  br label %42

42:                                               ; preds = %.lr.ph34, %36
  %43 = phi i64 [ %41, %36 ], [ -1, %.lr.ph34 ]
  %44 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02232) #6
  %45 = getelementptr inbounds i8, ptr %44, i64 8
  %46 = load i64, ptr %45, align 8, !tbaa !9
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %46) #6
  store i64 %43, ptr %47, align 8, !tbaa !5
  %48 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02232) #6
  %49 = getelementptr inbounds i8, ptr %48, i64 8
  %50 = load i64, ptr %49, align 8, !tbaa !9
  %51 = icmp sgt i64 %.02331, %50
  br i1 %51, label %56, label %52

52:                                               ; preds = %42
  %53 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02232) #6
  %54 = getelementptr inbounds i8, ptr %53, i64 8
  %55 = load i64, ptr %54, align 8, !tbaa !9
  br label %56

56:                                               ; preds = %42, %52
  %57 = phi i64 [ %55, %52 ], [ %.02331, %42 ]
  %58 = add nuw nsw i64 %.02232, 1
  %59 = load i64, ptr %1, align 8, !tbaa !5
  %60 = icmp slt i64 %58, %59
  br i1 %60, label %.lr.ph34, label %.preheader, !llvm.loop !13

._crit_edge37:                                    ; preds = %.lr.ph36, %24, %.preheader
  %61 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.2)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  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 8, ptr nonnull %1) #6
  ret i32 0

.lr.ph36:                                         ; preds = %.preheader, %.lr.ph36
  %.035 = phi i64 [ %65, %.lr.ph36 ], [ 0, %.preheader ]
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.035) #6
  %63 = load i64, ptr %62, align 8, !tbaa !5
  %64 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %63)
  %65 = add nuw nsw i64 %.035, 1
  %66 = load i64, ptr %1, align 8, !tbaa !5
  %67 = icmp slt i64 %65, %66
  br i1 %67, label %.lr.ph36, label %._crit_edge37, !llvm.loop !14

68:                                               ; preds = %30, %28
  %.pn = phi { ptr, i32 } [ %31, %30 ], [ %29, %28 ]
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  br label %69

69:                                               ; preds = %68, %13
  %.pn.pn = phi { ptr, i32 } [ %.pn, %68 ], [ %14, %13 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.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 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: 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


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