; LLVM IR from kazunetakahashi/atcoder :: 2019/0526_ABC128/past (F)

; 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::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.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>

@N = external dso_local global i32, align 4
@ans = external dso_local global i64, align 8
@s = external dso_local global [100010 x i64], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::set", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %12 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %13 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %14 = alloca %"struct.std::pair", align 8
  %15 = alloca %"struct.std::pair", align 8
  store i32 0, ptr %1, align 4
  %16 = 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)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %27, %0
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = load i32, ptr @N, align 4, !tbaa !5
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %30

22:                                               ; preds = %17
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [100010 x i64], ptr @s, i64 0, i64 %24
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %25)
  br label %27

27:                                               ; preds = %22
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %2, align 4, !tbaa !5
  br label %17, !llvm.loop !9

30:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %31

31:                                               ; preds = %118, %30
  %32 = load i32, ptr %3, align 4, !tbaa !5
  %33 = load i32, ptr @N, align 4, !tbaa !5
  %34 = icmp slt i32 %32, %33
  br i1 %34, label %36, label %35

35:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %122

36:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #7
  store i64 0, ptr %4, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 48, ptr %5) #7
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  %37 = load i32, ptr @N, align 4, !tbaa !5
  %38 = sub nsw i32 %37, 1
  store i32 %38, ptr %7, align 4, !tbaa !5
  br label %39

39:                                               ; preds = %96, %36
  %40 = load i32, ptr %6, align 4, !tbaa !5
  %41 = load i32, ptr @N, align 4, !tbaa !5
  %42 = icmp slt i32 %40, %41
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #7
  br i1 %42, label %43, label %68

43:                                               ; preds = %39
  %44 = load i32, ptr %7, align 4, !tbaa !5
  %45 = icmp sge i32 %44, 0
  br i1 %45, label %46, label %68

46:                                               ; preds = %43
  %47 = load i32, ptr %6, align 4, !tbaa !5
  %48 = load i32, ptr %7, align 4, !tbaa !5
  %49 = icmp ne i32 %47, %48
  br i1 %49, label %50, label %68

50:                                               ; preds = %46
  %51 = load i32, ptr %7, align 4, !tbaa !5
  %52 = load i32, ptr %3, align 4, !tbaa !5
  %53 = icmp sgt i32 %51, %52
  br i1 %53, label %54, label %68

54:                                               ; preds = %50
  %55 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %56 unwind label %104

56:                                               ; preds = %54
  %57 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %8, i32 0, i32 0
  store ptr %55, ptr %57, align 8
  %58 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %5) #7
  %59 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %11, i32 0, i32 0
  store ptr %58, ptr %59, align 8
  %60 = call noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %11) #7
  br i1 %60, label %61, label %68

61:                                               ; preds = %56
  %62 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %63 unwind label %108

63:                                               ; preds = %61
  %64 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %12, i32 0, i32 0
  store ptr %62, ptr %64, align 8
  %65 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %5) #7
  %66 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %13, i32 0, i32 0
  store ptr %65, ptr %66, align 8
  %67 = call noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #7
  br label %68

68:                                               ; preds = %63, %56, %50, %46, %43, %39
  %69 = phi i1 [ false, %56 ], [ false, %50 ], [ false, %46 ], [ false, %43 ], [ false, %39 ], [ %67, %63 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  br i1 %69, label %70, label %117

70:                                               ; preds = %68
  %71 = load i32, ptr %6, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds [100010 x i64], ptr @s, i64 0, i64 %72
  %74 = load i64, ptr %73, align 8, !tbaa !11
  %75 = load i64, ptr %4, align 8, !tbaa !11
  %76 = add nsw i64 %75, %74
  store i64 %76, ptr %4, align 8, !tbaa !11
  %77 = load i32, ptr %7, align 4, !tbaa !5
  %78 = sext i32 %77 to i64
  %79 = getelementptr inbounds [100010 x i64], ptr @s, i64 0, i64 %78
  %80 = load i64, ptr %79, align 8, !tbaa !11
  %81 = load i64, ptr %4, align 8, !tbaa !11
  %82 = add nsw i64 %81, %80
  store i64 %82, ptr %4, align 8, !tbaa !11
  %83 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %84 unwind label %113

84:                                               ; preds = %70
  %85 = getelementptr inbounds { ptr, i8 }, ptr %14, i32 0, i32 0
  %86 = extractvalue { ptr, i8 } %83, 0
  store ptr %86, ptr %85, align 8
  %87 = getelementptr inbounds { ptr, i8 }, ptr %14, i32 0, i32 1
  %88 = extractvalue { ptr, i8 } %83, 1
  store i8 %88, ptr %87, align 8
  %89 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %90 unwind label %113

90:                                               ; preds = %84
  %91 = getelementptr inbounds { ptr, i8 }, ptr %15, i32 0, i32 0
  %92 = extractvalue { ptr, i8 } %89, 0
  store ptr %92, ptr %91, align 8
  %93 = getelementptr inbounds { ptr, i8 }, ptr %15, i32 0, i32 1
  %94 = extractvalue { ptr, i8 } %89, 1
  store i8 %94, ptr %93, align 8
  %95 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) @ans, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %96 unwind label %113

96:                                               ; preds = %90
  %97 = load i64, ptr %95, align 8, !tbaa !11
  store i64 %97, ptr @ans, align 8, !tbaa !11
  %98 = load i32, ptr %3, align 4, !tbaa !5
  %99 = load i32, ptr %6, align 4, !tbaa !5
  %100 = add nsw i32 %99, %98
  store i32 %100, ptr %6, align 4, !tbaa !5
  %101 = load i32, ptr %3, align 4, !tbaa !5
  %102 = load i32, ptr %7, align 4, !tbaa !5
  %103 = sub nsw i32 %102, %101
  store i32 %103, ptr %7, align 4, !tbaa !5
  br label %39, !llvm.loop !13

104:                                              ; preds = %54
  %105 = landingpad { ptr, i32 }
          cleanup
  %106 = extractvalue { ptr, i32 } %105, 0
  store ptr %106, ptr %9, align 8
  %107 = extractvalue { ptr, i32 } %105, 1
  store i32 %107, ptr %10, align 4
  br label %112

108:                                              ; preds = %61
  %109 = landingpad { ptr, i32 }
          cleanup
  %110 = extractvalue { ptr, i32 } %109, 0
  store ptr %110, ptr %9, align 8
  %111 = extractvalue { ptr, i32 } %109, 1
  store i32 %111, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  br label %112

112:                                              ; preds = %108, %104
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  br label %121

113:                                              ; preds = %90, %84, %70
  %114 = landingpad { ptr, i32 }
          cleanup
  %115 = extractvalue { ptr, i32 } %114, 0
  store ptr %115, ptr %9, align 8
  %116 = extractvalue { ptr, i32 } %114, 1
  store i32 %116, ptr %10, align 4
  br label %121

117:                                              ; preds = %68
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  br label %118

118:                                              ; preds = %117
  %119 = load i32, ptr %3, align 4, !tbaa !5
  %120 = add nsw i32 %119, 1
  store i32 %120, ptr %3, align 4, !tbaa !5
  br label %31, !llvm.loop !14

121:                                              ; preds = %113, %112
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %127

122:                                              ; preds = %35
  %123 = load i64, ptr @ans, align 8, !tbaa !11
  %124 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %123)
  %125 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %124, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %126 = load i32, ptr %1, align 4
  ret i32 %126

127:                                              ; preds = %121
  %128 = load ptr, ptr %9, align 8
  %129 = load i32, ptr %10, align 4
  %130 = insertvalue { ptr, i32 } poison, ptr %128, 0
  %131 = insertvalue { ptr, i32 } %130, i32 %129, 1
  resume { ptr, i32 } %131
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

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

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #4 align 2

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #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)) #6

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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = { 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 #5 = { inlinehint 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


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

%"class.std::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.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@N = external dso_local global i32, align 4
@ans = external dso_local global i64, align 8
@s = external dso_local global [100010 x i64], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; 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::set", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %6 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %7 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %8 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %9 = 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)
  %10 = load i32, ptr @N, align 4, !tbaa !5
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph, label %._crit_edge

.preheader:                                       ; preds = %.lr.ph
  %12 = icmp sgt i32 %15, 1
  br i1 %12, label %.lr.ph39, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %13 = getelementptr inbounds [100010 x i64], ptr @s, i64 0, i64 %indvars.iv
  %14 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %13)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %15 = load i32, ptr @N, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = icmp slt i64 %indvars.iv.next, %16
  br i1 %17, label %.lr.ph, label %.preheader, !llvm.loop !9

._crit_edge:                                      ; preds = %.loopexit, %0, %.preheader
  %18 = load i64, ptr @ans, align 8, !tbaa !11
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %18)
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %19, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  ret i32 0

.lr.ph39:                                         ; preds = %.preheader, %.loopexit
  %.01337 = phi i32 [ %69, %.loopexit ], [ 1, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  store i64 0, ptr %1, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %2) #7
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  %21 = load i32, ptr @N, align 4, !tbaa !5
  %22 = add nsw i32 %21, -1
  store i32 %22, ptr %4, align 4, !tbaa !5
  %23 = icmp sgt i32 %21, 0
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #7
  %.not3033 = icmp sgt i32 %21, 1
  %24 = icmp sgt i32 %22, %.01337
  %25 = and i1 %24, %.not3033
  %or.cond2234 = select i1 %23, i1 %25, i1 false
  br i1 %or.cond2234, label %.lr.ph35, label %.critedge

.lr.ph35:                                         ; preds = %.lr.ph39, %50
  %26 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %27 unwind label %62

27:                                               ; preds = %.lr.ph35
  store ptr %26, ptr %5, align 8
  %28 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #7
  store ptr %28, ptr %6, align 8
  %29 = call noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #7
  br i1 %29, label %30, label %.critedge

30:                                               ; preds = %27
  %31 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %32 unwind label %64

32:                                               ; preds = %30
  store ptr %31, ptr %7, align 8
  %33 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #7
  store ptr %33, ptr %8, align 8
  %34 = call noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  br i1 %34, label %35, label %.loopexit

35:                                               ; preds = %32
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [100010 x i64], ptr @s, i64 0, i64 %37
  %39 = load i64, ptr %38, align 8, !tbaa !11
  %40 = load i64, ptr %1, align 8, !tbaa !11
  %41 = add nsw i64 %40, %39
  %42 = load i32, ptr %4, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [100010 x i64], ptr @s, i64 0, i64 %43
  %45 = load i64, ptr %44, align 8, !tbaa !11
  %46 = add nsw i64 %45, %41
  store i64 %46, ptr %1, align 8, !tbaa !11
  %47 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %48 unwind label %67

48:                                               ; preds = %35
  %49 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %50 unwind label %67

50:                                               ; preds = %48
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) @ans, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %52 = load i64, ptr %51, align 8, !tbaa !11
  store i64 %52, ptr @ans, align 8, !tbaa !11
  %53 = load i32, ptr %3, align 4, !tbaa !5
  %54 = add nsw i32 %53, %.01337
  store i32 %54, ptr %3, align 4, !tbaa !5
  %55 = load i32, ptr %4, align 4, !tbaa !5
  %56 = sub nsw i32 %55, %.01337
  store i32 %56, ptr %4, align 4, !tbaa !5
  %57 = load i32, ptr @N, align 4, !tbaa !5
  %58 = icmp slt i32 %54, %57
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #7
  %59 = icmp sgt i32 %56, -1
  %.not = icmp ne i32 %54, %56
  %.not30 = and i1 %59, %.not
  %60 = icmp sgt i32 %56, %.01337
  %61 = and i1 %60, %.not30
  %or.cond22 = select i1 %58, i1 %61, i1 false
  br i1 %or.cond22, label %.lr.ph35, label %.critedge, !llvm.loop !13

62:                                               ; preds = %.lr.ph35
  %63 = landingpad { ptr, i32 }
          cleanup
  br label %66

64:                                               ; preds = %30
  %65 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  br label %66

66:                                               ; preds = %64, %62
  %.pn = phi { ptr, i32 } [ %65, %64 ], [ %63, %62 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  br label %72

67:                                               ; preds = %48, %35
  %68 = landingpad { ptr, i32 }
          cleanup
  br label %72

.critedge:                                        ; preds = %27, %50, %.lr.ph39
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  br label %.loopexit

.loopexit:                                        ; preds = %32, %.critedge
  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 @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  %69 = add nuw nsw i32 %.01337, 1
  %70 = load i32, ptr @N, align 4, !tbaa !5
  %71 = icmp slt i32 %69, %70
  br i1 %71, label %.lr.ph39, label %._crit_edge, !llvm.loop !14

72:                                               ; preds = %67, %66
  %.pn19 = phi { ptr, i32 } [ %68, %67 ], [ %.pn, %66 ]
  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 @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn19
}

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 #1

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

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #3 align 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)) #6

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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = { 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 #5 = { inlinehint 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


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