; LLVM IR from upupming/algorithm :: upupming (1055)

; 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"

%struct.People = type { %"class.std::__cxx11::basic_string", i32, i32 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<People, std::allocator<People>>::_Vector_impl" }
%"struct.std::_Vector_base<People, std::allocator<People>>::_Vector_impl" = type { %"struct.std::_Vector_base<People, std::allocator<People>>::_Vector_impl_data" }
%"struct.std::_Vector_base<People, std::allocator<People>>::_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 }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@people = external dso_local global %struct.People, align 8
@n = external dso_local global i32, align 4
@k = external dso_local global i32, align 4
@amin = external dso_local global i32, align 4
@amax = external dso_local global i32, align 4
@maxout = external dso_local global i32, align 4
@peoples = external dso_local global %"class.std::vector", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z3cmp6PeopleS_(ptr noundef, ptr noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %9 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %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) @n)
  %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) @k)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %21, %0
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = load i32, ptr @n, align 4, !tbaa !5
  %15 = icmp slt i32 %13, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %24

17:                                               ; preds = %12
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) @people)
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (%struct.People, ptr @people, i32 0, i32 1))
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (%struct.People, ptr @people, i32 0, i32 2))
  call void @_ZNSt6vectorI6PeopleSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) @peoples, ptr noundef nonnull align 8 dereferenceable(40) @people)
  br label %21

21:                                               ; preds = %17
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %2, align 4, !tbaa !5
  br label %12, !llvm.loop !9

24:                                               ; preds = %16
  %25 = call ptr @_ZNSt6vectorI6PeopleSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @peoples) #6
  %26 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %3, i32 0, i32 0
  store ptr %25, ptr %26, align 8
  %27 = call ptr @_ZNSt6vectorI6PeopleSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @peoples) #6
  %28 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  store ptr %27, ptr %28, align 8
  %29 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %3, i32 0, i32 0
  %30 = load ptr, ptr %29, align 8
  %31 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  %32 = load ptr, ptr %31, align 8
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP6PeopleSt6vectorIS2_SaIS2_EEEEPFiS2_S2_EEvT_SA_T0_(ptr %30, ptr %32, ptr noundef @_Z3cmp6PeopleS_)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 1, ptr %5, align 4, !tbaa !5
  br label %33

33:                                               ; preds = %109, %24
  %34 = load i32, ptr %5, align 4, !tbaa !5
  %35 = load i32, ptr @k, align 4, !tbaa !5
  %36 = icmp sle i32 %34, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %33
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %112

38:                                               ; preds = %33
  %39 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @maxout)
  %40 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %39, ptr noundef nonnull align 4 dereferenceable(4) @amin)
  %41 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %40, ptr noundef nonnull align 4 dereferenceable(4) @amax)
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %43 = load i32, ptr %5, align 4, !tbaa !5
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %42, i32 noundef %43)
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %44, ptr noundef @.str.3)
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %45, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %47

47:                                               ; preds = %99, %38
  %48 = load i32, ptr %8, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = call noundef i64 @_ZNKSt6vectorI6PeopleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @peoples) #6
  %51 = icmp ult i64 %49, %50
  br i1 %51, label %52, label %56

52:                                               ; preds = %47
  %53 = load i32, ptr %7, align 4, !tbaa !5
  %54 = load i32, ptr @maxout, align 4, !tbaa !5
  %55 = icmp slt i32 %53, %54
  br label %56

56:                                               ; preds = %52, %47
  %57 = phi i1 [ false, %47 ], [ %55, %52 ]
  br i1 %57, label %59, label %58

58:                                               ; preds = %56
  store i32 8, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %102

59:                                               ; preds = %56
  %60 = load i32, ptr %8, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI6PeopleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @peoples, i64 noundef %61) #6
  %63 = getelementptr inbounds %struct.People, ptr %62, i32 0, i32 1
  %64 = load i32, ptr %63, align 8, !tbaa !11
  %65 = load i32, ptr @amin, align 4, !tbaa !5
  %66 = icmp sge i32 %64, %65
  br i1 %66, label %67, label %98

67:                                               ; preds = %59
  %68 = load i32, ptr %8, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI6PeopleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @peoples, i64 noundef %69) #6
  %71 = getelementptr inbounds %struct.People, ptr %70, i32 0, i32 1
  %72 = load i32, ptr %71, align 8, !tbaa !11
  %73 = load i32, ptr @amax, align 4, !tbaa !5
  %74 = icmp sle i32 %72, %73
  br i1 %74, label %75, label %98

75:                                               ; preds = %67
  %76 = load i32, ptr %8, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI6PeopleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @peoples, i64 noundef %77) #6
  %79 = getelementptr inbounds %struct.People, ptr %78, i32 0, i32 0
  %80 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %79)
  %81 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %80, ptr noundef @.str.4)
  %82 = load i32, ptr %8, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI6PeopleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @peoples, i64 noundef %83) #6
  %85 = getelementptr inbounds %struct.People, ptr %84, i32 0, i32 1
  %86 = load i32, ptr %85, align 8, !tbaa !11
  %87 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %81, i32 noundef %86)
  %88 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %87, ptr noundef @.str.4)
  %89 = load i32, ptr %8, align 4, !tbaa !5
  %90 = sext i32 %89 to i64
  %91 = call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI6PeopleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @peoples, i64 noundef %90) #6
  %92 = getelementptr inbounds %struct.People, ptr %91, i32 0, i32 2
  %93 = load i32, ptr %92, align 4, !tbaa !17
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %88, i32 noundef %93)
  %95 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %94, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %96 = load i32, ptr %7, align 4, !tbaa !5
  %97 = add nsw i32 %96, 1
  store i32 %97, ptr %7, align 4, !tbaa !5
  br label %98

98:                                               ; preds = %75, %67, %59
  br label %99

99:                                               ; preds = %98
  %100 = load i32, ptr %8, align 4, !tbaa !5
  %101 = add nsw i32 %100, 1
  store i32 %101, ptr %8, align 4, !tbaa !5
  br label %47, !llvm.loop !18

102:                                              ; preds = %58
  %103 = load i32, ptr %7, align 4, !tbaa !5
  %104 = icmp eq i32 %103, 0
  br i1 %104, label %105, label %108

105:                                              ; preds = %102
  %106 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
  %107 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %106, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %108

108:                                              ; preds = %105, %102
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %109

109:                                              ; preds = %108
  %110 = load i32, ptr %5, align 4, !tbaa !5
  %111 = add nsw i32 %110, 1
  store i32 %111, ptr %5, align 4, !tbaa !5
  br label %33, !llvm.loop !19

112:                                              ; preds = %37
  %113 = load i32, ptr %1, align 4
  ret i32 %113
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; 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 @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI6PeopleSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(40)) #4 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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP6PeopleSt6vectorIS2_SaIS2_EEEEPFiS2_S2_EEvT_SA_T0_(ptr, ptr, ptr noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI6PeopleSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI6PeopleSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI6PeopleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI6PeopleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #5

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 = { "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 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !6, i64 32}
!12 = !{!"_ZTS6People", !13, i64 0, !6, i64 32, !6, i64 36}
!13 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !14, i64 0, !16, i64 8, !7, i64 16}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !15, i64 0}
!15 = !{!"any pointer", !7, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = !{!12, !6, i64 36}
!18 = distinct !{!18, !10}
!19 = distinct !{!19, !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"

%struct.People = type { %"class.std::__cxx11::basic_string", i32, i32 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<People, std::allocator<People>>::_Vector_impl" }
%"struct.std::_Vector_base<People, std::allocator<People>>::_Vector_impl" = type { %"struct.std::_Vector_base<People, std::allocator<People>>::_Vector_impl_data" }
%"struct.std::_Vector_base<People, std::allocator<People>>::_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 }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@people = external dso_local global %struct.People, align 8
@n = external dso_local global i32, align 4
@k = external dso_local global i32, align 4
@amin = external dso_local global i32, align 4
@amax = external dso_local global i32, align 4
@maxout = external dso_local global i32, align 4
@peoples = external dso_local global %"class.std::vector", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z3cmp6PeopleS_(ptr noundef, ptr noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 {
  %1 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %2 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %3 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(4) @k)
  %4 = load i32, ptr @n, align 4, !tbaa !5
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  %6 = tail call ptr @_ZNSt6vectorI6PeopleSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @peoples) #5
  %7 = tail call ptr @_ZNSt6vectorI6PeopleSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @peoples) #5
  tail call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP6PeopleSt6vectorIS2_SaIS2_EEEEPFiS2_S2_EEvT_SA_T0_(ptr %6, ptr %7, ptr noundef nonnull @_Z3cmp6PeopleS_)
  %8 = load i32, ptr @k, align 4, !tbaa !5
  %.not29 = icmp slt i32 %8, 1
  br i1 %.not29, label %._crit_edge33, label %.lr.ph32

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.01923 = phi i32 [ %12, %.lr.ph ], [ 0, %0 ]
  %9 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) @people)
  %10 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @people, i64 32))
  %11 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @people, i64 36))
  tail call void @_ZNSt6vectorI6PeopleSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) @peoples, ptr noundef nonnull align 8 dereferenceable(40) @people)
  %12 = add nuw nsw i32 %.01923, 1
  %13 = load i32, ptr @n, align 4, !tbaa !5
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge33:                                    ; preds = %60, %._crit_edge
  ret i32 0

.lr.ph32:                                         ; preds = %._crit_edge, %60
  %.01830 = phi i32 [ %61, %60 ], [ 1, %._crit_edge ]
  %15 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @maxout)
  %16 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %15, ptr noundef nonnull align 4 dereferenceable(4) @amin)
  %17 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %16, ptr noundef nonnull align 4 dereferenceable(4) @amax)
  %18 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  %19 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %18, i32 noundef %.01830)
  %20 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %19, ptr noundef nonnull @.str.3)
  %21 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %20, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %22 = tail call noundef i64 @_ZNKSt6vectorI6PeopleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @peoples) #5
  %23 = icmp ne i64 %22, 0
  %24 = load i32, ptr @maxout, align 4
  %25 = icmp sgt i32 %24, 0
  %26 = select i1 %23, i1 %25, i1 false
  br i1 %26, label %.lr.ph27, label %._crit_edge28.thread

._crit_edge28:                                    ; preds = %52
  %27 = icmp eq i32 %.1, 0
  br i1 %27, label %._crit_edge28.thread, label %60

.lr.ph27:                                         ; preds = %.lr.ph32, %52
  %indvars.iv = phi i64 [ %indvars.iv.next, %52 ], [ 0, %.lr.ph32 ]
  %.01724 = phi i32 [ %.1, %52 ], [ 0, %.lr.ph32 ]
  %28 = tail call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI6PeopleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @peoples, i64 noundef %indvars.iv) #5
  %29 = getelementptr inbounds i8, ptr %28, i64 32
  %30 = load i32, ptr %29, align 8, !tbaa !11
  %31 = load i32, ptr @amin, align 4, !tbaa !5
  %.not21 = icmp slt i32 %30, %31
  br i1 %.not21, label %52, label %32

32:                                               ; preds = %.lr.ph27
  %33 = tail call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI6PeopleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @peoples, i64 noundef %indvars.iv) #5
  %34 = getelementptr inbounds i8, ptr %33, i64 32
  %35 = load i32, ptr %34, align 8, !tbaa !11
  %36 = load i32, ptr @amax, align 4, !tbaa !5
  %.not22 = icmp sgt i32 %35, %36
  br i1 %.not22, label %52, label %37

37:                                               ; preds = %32
  %38 = tail call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI6PeopleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @peoples, i64 noundef %indvars.iv) #5
  %39 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %38)
  %40 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %39, ptr noundef nonnull @.str.4)
  %41 = tail call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI6PeopleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @peoples, i64 noundef %indvars.iv) #5
  %42 = getelementptr inbounds i8, ptr %41, i64 32
  %43 = load i32, ptr %42, align 8, !tbaa !11
  %44 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %40, i32 noundef %43)
  %45 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %44, ptr noundef nonnull @.str.4)
  %46 = tail call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI6PeopleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @peoples, i64 noundef %indvars.iv) #5
  %47 = getelementptr inbounds i8, ptr %46, i64 36
  %48 = load i32, ptr %47, align 4, !tbaa !17
  %49 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %45, i32 noundef %48)
  %50 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %49, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %51 = add nsw i32 %.01724, 1
  br label %52

52:                                               ; preds = %.lr.ph27, %32, %37
  %.1 = phi i32 [ %51, %37 ], [ %.01724, %32 ], [ %.01724, %.lr.ph27 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %53 = tail call noundef i64 @_ZNKSt6vectorI6PeopleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @peoples) #5
  %54 = icmp ugt i64 %53, %indvars.iv.next
  %55 = load i32, ptr @maxout, align 4
  %56 = icmp slt i32 %.1, %55
  %57 = select i1 %54, i1 %56, i1 false
  br i1 %57, label %.lr.ph27, label %._crit_edge28, !llvm.loop !18

._crit_edge28.thread:                             ; preds = %.lr.ph32, %._crit_edge28
  %58 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
  %59 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %58, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %60

60:                                               ; preds = %._crit_edge28.thread, %._crit_edge28
  %61 = add nuw nsw i32 %.01830, 1
  %62 = load i32, ptr @k, align 4, !tbaa !5
  %.not.not = icmp slt i32 %.01830, %62
  br i1 %.not.not, label %.lr.ph32, label %._crit_edge33, !llvm.loop !19
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #2

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 #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI6PeopleSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP6PeopleSt6vectorIS2_SaIS2_EEEEPFiS2_S2_EEvT_SA_T0_(ptr, ptr, ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI6PeopleSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI6PeopleSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI6PeopleSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI6PeopleSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

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 = { "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 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 = { 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 #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !6, i64 32}
!12 = !{!"_ZTS6People", !13, i64 0, !6, i64 32, !6, i64 36}
!13 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !14, i64 0, !16, i64 8, !7, i64 16}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !15, i64 0}
!15 = !{!"any pointer", !7, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = !{!12, !6, i64 36}
!18 = distinct !{!18, !10}
!19 = distinct !{!19, !10}


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