; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/URI/2127 (main)

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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"struct.std::pair" = type { i32, %"struct.std::pair.5" }
%"struct.std::pair.5" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@id = external dso_local global %"class.std::vector", align 8
@sz = external dso_local global %"class.std::vector", align 8
@v = external dso_local global %"class.std::vector.0", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [18 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z6detecti(i32 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5unifyii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::pair", align 4
  %14 = alloca %"struct.std::pair.5", align 4
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 1, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  br label %20

20:                                               ; preds = %107, %0
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %21, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %23 = load ptr, ptr %22, align 8, !tbaa !9
  %24 = getelementptr i8, ptr %23, i64 -24
  %25 = load i64, ptr %24, align 8
  %26 = getelementptr inbounds i8, ptr %22, i64 %25
  %27 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %26)
  br i1 %27, label %28, label %112

28:                                               ; preds = %20
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) @id, i64 noundef %30, ptr noundef nonnull align 4 dereferenceable(4) %9)
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  %31 = load i32, ptr %2, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 1, ptr %10, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) @sz, i64 noundef %32, ptr noundef nonnull align 4 dereferenceable(4) %10)
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %33

33:                                               ; preds = %43, %28
  %34 = load i32, ptr %11, align 4, !tbaa !5
  %35 = load i32, ptr %2, align 4, !tbaa !5
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %46

38:                                               ; preds = %33
  %39 = load i32, ptr %11, align 4, !tbaa !5
  %40 = load i32, ptr %11, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @id, i64 noundef %41) #6
  store i32 %39, ptr %42, align 4, !tbaa !5
  br label %43

43:                                               ; preds = %38
  %44 = load i32, ptr %11, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %11, align 4, !tbaa !5
  br label %33, !llvm.loop !11

46:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %47

47:                                               ; preds = %58, %46
  %48 = load i32, ptr %12, align 4, !tbaa !5
  %49 = load i32, ptr %3, align 4, !tbaa !5
  %50 = icmp slt i32 %48, %49
  br i1 %50, label %52, label %51

51:                                               ; preds = %47
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %61

52:                                               ; preds = %47
  %53 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %4, ptr noundef %5, ptr noundef %6)
  call void @llvm.lifetime.start.p0(i64 12, ptr %13) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %54 = load i32, ptr %4, align 4, !tbaa !5
  %55 = add nsw i32 %54, -1
  store i32 %55, ptr %4, align 4, !tbaa !5
  %56 = load i32, ptr %5, align 4, !tbaa !5
  %57 = add nsw i32 %56, -1
  store i32 %57, ptr %5, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %14, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
  call void @_ZNSt4pairIiS_IiiEEC2IiS0_TnNSt9enable_ifIXaaclsr5_PCCPE18_ConstructiblePairIT_T0_EEclsr5_PCCPE26_ImplicitlyConvertiblePairIS4_S5_EEEbE4typeELb1EEERKiRKS0_(ptr noundef nonnull align 4 dereferenceable(12) %13, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(8) %14)
  call void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24) @v, ptr noundef nonnull align 4 dereferenceable(12) %13)
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %13) #6
  br label %58

58:                                               ; preds = %52
  %59 = load i32, ptr %12, align 4, !tbaa !5
  %60 = add nsw i32 %59, 1
  store i32 %60, ptr %12, align 4, !tbaa !5
  br label %47, !llvm.loop !13

61:                                               ; preds = %51
  %62 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #6
  %63 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %62, ptr %63, align 8
  %64 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #6
  %65 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %64, ptr %65, align 8
  %66 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  %67 = load ptr, ptr %66, align 8
  %68 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  %69 = load ptr, ptr %68, align 8
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiS2_IiiEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr %67, ptr %69)
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #6
  store i32 0, ptr %17, align 4, !tbaa !5
  br label %70

70:                                               ; preds = %104, %61
  %71 = load i32, ptr %17, align 4, !tbaa !5
  %72 = load i32, ptr %3, align 4, !tbaa !5
  %73 = icmp slt i32 %71, %72
  br i1 %73, label %75, label %74

74:                                               ; preds = %70
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  br label %107

75:                                               ; preds = %70
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #6
  %76 = load i32, ptr %17, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %77) #6
  %79 = getelementptr inbounds %"struct.std::pair", ptr %78, i32 0, i32 1
  %80 = getelementptr inbounds %"struct.std::pair.5", ptr %79, i32 0, i32 0
  %81 = load i32, ptr %80, align 4, !tbaa !14
  store i32 %81, ptr %18, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #6
  %82 = load i32, ptr %17, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %83) #6
  %85 = getelementptr inbounds %"struct.std::pair", ptr %84, i32 0, i32 1
  %86 = getelementptr inbounds %"struct.std::pair.5", ptr %85, i32 0, i32 1
  %87 = load i32, ptr %86, align 4, !tbaa !17
  store i32 %87, ptr %19, align 4, !tbaa !5
  %88 = load i32, ptr %18, align 4, !tbaa !5
  %89 = call noundef i32 @_Z6detecti(i32 noundef %88)
  %90 = load i32, ptr %19, align 4, !tbaa !5
  %91 = call noundef i32 @_Z6detecti(i32 noundef %90)
  %92 = icmp ne i32 %89, %91
  br i1 %92, label %93, label %103

93:                                               ; preds = %75
  %94 = load i32, ptr %18, align 4, !tbaa !5
  %95 = load i32, ptr %19, align 4, !tbaa !5
  call void @_Z5unifyii(i32 noundef %94, i32 noundef %95)
  %96 = load i32, ptr %17, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %97) #6
  %99 = getelementptr inbounds %"struct.std::pair", ptr %98, i32 0, i32 0
  %100 = load i32, ptr %99, align 4, !tbaa !18
  %101 = load i32, ptr %8, align 4, !tbaa !5
  %102 = add nsw i32 %101, %100
  store i32 %102, ptr %8, align 4, !tbaa !5
  br label %103

103:                                              ; preds = %93, %75
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  br label %104

104:                                              ; preds = %103
  %105 = load i32, ptr %17, align 4, !tbaa !5
  %106 = add nsw i32 %105, 1
  store i32 %106, ptr %17, align 4, !tbaa !5
  br label %70, !llvm.loop !19

107:                                              ; preds = %74
  %108 = load i32, ptr %7, align 4, !tbaa !5
  %109 = add nsw i32 %108, 1
  store i32 %109, ptr %7, align 4, !tbaa !5
  %110 = load i32, ptr %8, align 4, !tbaa !5
  %111 = call i32 (ptr, ...) @printf(ptr noundef @.str.4, i32 noundef %108, i32 noundef %110)
  br label %20, !llvm.loop !20

112:                                              ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, 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
  ret i32 0
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

declare i32 @__isoc99_scanf(ptr noundef, ...) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(12)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiS_IiiEEC2IiS0_TnNSt9enable_ifIXaaclsr5_PCCPE18_ConstructiblePairIT_T0_EEclsr5_PCCPE26_ImplicitlyConvertiblePairIS4_S5_EEEbE4typeELb1EEERKiRKS0_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiS2_IiiEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

declare i32 @printf(ptr noundef, ...) #4

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { 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 #2 = { 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 #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { "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 = !{!"vtable pointer", !8, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = !{!15, !6, i64 4}
!15 = !{!"_ZTSSt4pairIiS_IiiEE", !6, i64 0, !16, i64 4}
!16 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!17 = !{!15, !6, i64 8}
!18 = !{!15, !6, i64 0}
!19 = distinct !{!19, !12}
!20 = distinct !{!20, !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<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"struct.std::pair" = type { i32, %"struct.std::pair.5" }
%"struct.std::pair.5" = type { i32, i32 }

@id = external dso_local global %"class.std::vector", align 8
@sz = external dso_local global %"class.std::vector", align 8
@v = external dso_local global %"class.std::vector.0", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [18 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z6detecti(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5unifyii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::pair", align 4
  %9 = alloca %"struct.std::pair.5", align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  %10 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %12 = load ptr, ptr %11, align 8, !tbaa !5
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr %11, i64 %14
  %16 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %15)
  br i1 %16, label %.lr.ph33, label %._crit_edge34

.lr.ph33:                                         ; preds = %0, %._crit_edge30
  %.031 = phi i32 [ %42, %._crit_edge30 ], [ 1, %0 ]
  %17 = load i32, ptr %1, align 4, !tbaa !8
  %18 = sext i32 %17 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  store i32 0, ptr %6, align 4, !tbaa !8
  call void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) @id, i64 noundef %18, ptr noundef nonnull align 4 dereferenceable(4) %6)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  %19 = load i32, ptr %1, align 4, !tbaa !8
  %20 = sext i32 %19 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  store i32 1, ptr %7, align 4, !tbaa !8
  call void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) @sz, i64 noundef %20, ptr noundef nonnull align 4 dereferenceable(4) %7)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #7
  %21 = load i32, ptr %1, align 4, !tbaa !8
  %22 = icmp sgt i32 %21, 0
  br i1 %22, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %.lr.ph, %.lr.ph33
  %23 = load i32, ptr %2, align 4, !tbaa !8
  %24 = icmp sgt i32 %23, 0
  br i1 %24, label %.lr.ph25, label %._crit_edge

.lr.ph:                                           ; preds = %.lr.ph33, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.lr.ph33 ]
  %25 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @id, i64 noundef %indvars.iv) #7
  %26 = trunc nuw nsw i64 %indvars.iv to i32
  store i32 %26, ptr %25, align 4, !tbaa !8
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %27 = load i32, ptr %1, align 4, !tbaa !8
  %28 = sext i32 %27 to i64
  %29 = icmp slt i64 %indvars.iv.next, %28
  br i1 %29, label %.lr.ph, label %.preheader, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph25, %.preheader
  %30 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #7
  %31 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #7
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiS2_IiiEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr %30, ptr %31)
  %32 = load i32, ptr %2, align 4, !tbaa !8
  %33 = icmp sgt i32 %32, 0
  br i1 %33, label %.lr.ph29, label %._crit_edge30

.lr.ph25:                                         ; preds = %.preheader, %.lr.ph25
  %.02224 = phi i32 [ %39, %.lr.ph25 ], [ 0, %.preheader ]
  %34 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull %5)
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %8) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #7
  %35 = load i32, ptr %3, align 4, !tbaa !8
  %36 = add nsw i32 %35, -1
  store i32 %36, ptr %3, align 4, !tbaa !8
  %37 = load i32, ptr %4, align 4, !tbaa !8
  %38 = add nsw i32 %37, -1
  store i32 %38, ptr %4, align 4, !tbaa !8
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %9, ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @_ZNSt4pairIiS_IiiEEC2IiS0_TnNSt9enable_ifIXaaclsr5_PCCPE18_ConstructiblePairIT_T0_EEclsr5_PCCPE26_ImplicitlyConvertiblePairIS4_S5_EEEbE4typeELb1EEERKiRKS0_(ptr noundef nonnull align 4 dereferenceable(12) %8, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(8) %9)
  call void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24) @v, ptr noundef nonnull align 4 dereferenceable(12) %8)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %8) #7
  %39 = add nuw nsw i32 %.02224, 1
  %40 = load i32, ptr %2, align 4, !tbaa !8
  %41 = icmp slt i32 %39, %40
  br i1 %41, label %.lr.ph25, label %._crit_edge, !llvm.loop !13

._crit_edge30:                                    ; preds = %63, %._crit_edge
  %.019.lcssa = phi i32 [ 0, %._crit_edge ], [ %.1, %63 ]
  %42 = add nuw nsw i32 %.031, 1
  %43 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, i32 noundef %.031, i32 noundef %.019.lcssa)
  %44 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %45 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %44, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %46 = load ptr, ptr %45, align 8, !tbaa !5
  %47 = getelementptr i8, ptr %46, i64 -24
  %48 = load i64, ptr %47, align 8
  %49 = getelementptr inbounds i8, ptr %45, i64 %48
  %50 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %49)
  br i1 %50, label %.lr.ph33, label %._crit_edge34, !llvm.loop !14

.lr.ph29:                                         ; preds = %._crit_edge, %63
  %indvars.iv36 = phi i64 [ %indvars.iv.next37, %63 ], [ 0, %._crit_edge ]
  %.01927 = phi i32 [ %.1, %63 ], [ 0, %._crit_edge ]
  %51 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv36) #7
  %52 = getelementptr inbounds i8, ptr %51, i64 4
  %53 = load i32, ptr %52, align 4, !tbaa !15
  %54 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv36) #7
  %55 = getelementptr inbounds i8, ptr %54, i64 8
  %56 = load i32, ptr %55, align 4, !tbaa !18
  %57 = call noundef i32 @_Z6detecti(i32 noundef %53)
  %58 = call noundef i32 @_Z6detecti(i32 noundef %56)
  %.not = icmp eq i32 %57, %58
  br i1 %.not, label %63, label %59

59:                                               ; preds = %.lr.ph29
  call void @_Z5unifyii(i32 noundef %53, i32 noundef %56)
  %60 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv36) #7
  %61 = load i32, ptr %60, align 4, !tbaa !19
  %62 = add nsw i32 %61, %.01927
  br label %63

63:                                               ; preds = %59, %.lr.ph29
  %.1 = phi i32 [ %62, %59 ], [ %.01927, %.lr.ph29 ]
  %indvars.iv.next37 = add nuw nsw i64 %indvars.iv36, 1
  %64 = load i32, ptr %2, align 4, !tbaa !8
  %65 = sext i32 %64 to i64
  %66 = icmp slt i64 %indvars.iv.next37, %65
  br i1 %66, label %.lr.ph29, label %._crit_edge30, !llvm.loop !20

._crit_edge34:                                    ; preds = %._crit_edge30, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiS_IiiEEC2IiS0_TnNSt9enable_ifIXaaclsr5_PCCPE18_ConstructiblePairIT_T0_EEclsr5_PCCPE26_ImplicitlyConvertiblePairIS4_S5_EEEbE4typeELb1EEERKiRKS0_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiS2_IiiEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr, ptr) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { 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 #2 = { 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 #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { "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 = { 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 #6 = { 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 #7 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = !{!16, !9, i64 4}
!16 = !{!"_ZTSSt4pairIiS_IiiEE", !9, i64 0, !17, i64 4}
!17 = !{!"_ZTSSt4pairIiiE", !9, i64 0, !9, i64 4}
!18 = !{!16, !9, i64 8}
!19 = !{!16, !9, i64 0}
!20 = distinct !{!20, !12}


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