; LLVM IR from kazunetakahashi/atcoder :: 2019/0526_ABC128/past (F2)

; 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
@s = external dso_local global [100010 x i64], align 16
@ans = external dso_local global i64, align 8
@_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 i32, align 4
  %5 = alloca %"class.std::set", align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %15 = alloca %"struct.std::pair", align 8
  %16 = alloca i32, align 4
  %17 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %18 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %19 = alloca %"struct.std::pair", align 8
  store i32 0, ptr %1, align 4
  %20 = 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 %21

21:                                               ; preds = %31, %0
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = load i32, ptr @N, align 4, !tbaa !5
  %24 = icmp slt i32 %22, %23
  br i1 %24, label %26, label %25

25:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %34

26:                                               ; preds = %21
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [100010 x i64], ptr @s, i64 0, i64 %28
  %30 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %29)
  br label %31

31:                                               ; preds = %26
  %32 = load i32, ptr %2, align 4, !tbaa !5
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %2, align 4, !tbaa !5
  br label %21, !llvm.loop !9

34:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %35

35:                                               ; preds = %141, %34
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = load i32, ptr @N, align 4, !tbaa !5
  %38 = icmp slt i32 %36, %37
  br i1 %38, label %40, label %39

39:                                               ; preds = %35
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %144

40:                                               ; preds = %35
  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 8, ptr %6) #7
  store i64 0, ptr %6, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %41

41:                                               ; preds = %133, %40
  br label %42

42:                                               ; preds = %41
  %43 = load i32, ptr %7, align 4, !tbaa !5
  %44 = load i32, ptr %3, align 4, !tbaa !5
  %45 = mul nsw i32 %43, %44
  %46 = load i32, ptr @N, align 4, !tbaa !5
  %47 = icmp sge i32 %45, %46
  br i1 %47, label %48, label %49

48:                                               ; preds = %42
  br label %140

49:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  %50 = load i32, ptr @N, align 4, !tbaa !5
  %51 = sub nsw i32 %50, 1
  %52 = load i32, ptr %7, align 4, !tbaa !5
  %53 = load i32, ptr %3, align 4, !tbaa !5
  %54 = mul nsw i32 %52, %53
  %55 = sub nsw i32 %51, %54
  store i32 %55, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  %56 = load i32, ptr %8, align 4, !tbaa !5
  %57 = load i32, ptr %3, align 4, !tbaa !5
  %58 = sub nsw i32 %56, %57
  store i32 %58, ptr %9, align 4, !tbaa !5
  %59 = load i32, ptr %9, align 4, !tbaa !5
  %60 = icmp sle i32 %59, 0
  br i1 %60, label %61, label %62

61:                                               ; preds = %49
  store i32 9, ptr %4, align 4
  br label %131

62:                                               ; preds = %49
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  %63 = load i32, ptr @N, align 4, !tbaa !5
  %64 = sub nsw i32 %63, 1
  %65 = load i32, ptr %7, align 4, !tbaa !5
  %66 = load i32, ptr %3, align 4, !tbaa !5
  %67 = mul nsw i32 %65, %66
  %68 = sub nsw i32 %64, %67
  store i32 %68, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #7
  %69 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %70 unwind label %76

70:                                               ; preds = %62
  %71 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %11, i32 0, i32 0
  store ptr %69, ptr %71, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  %72 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %5) #7
  %73 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %14, i32 0, i32 0
  store ptr %72, ptr %73, align 8
  %74 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  br i1 %74, label %75, label %80

75:                                               ; preds = %70
  store i32 9, ptr %4, align 4
  br label %130

76:                                               ; preds = %62
  %77 = landingpad { ptr, i32 }
          cleanup
  %78 = extractvalue { ptr, i32 } %77, 0
  store ptr %78, ptr %12, align 8
  %79 = extractvalue { ptr, i32 } %77, 1
  store i32 %79, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  br label %139

80:                                               ; preds = %70
  %81 = load i32, ptr %10, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = getelementptr inbounds [100010 x i64], ptr @s, i64 0, i64 %82
  %84 = load i64, ptr %83, align 8, !tbaa !11
  %85 = load i64, ptr %6, align 8, !tbaa !11
  %86 = add nsw i64 %85, %84
  store i64 %86, ptr %6, align 8, !tbaa !11
  %87 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %88 unwind label %103

88:                                               ; preds = %80
  %89 = getelementptr inbounds { ptr, i8 }, ptr %15, i32 0, i32 0
  %90 = extractvalue { ptr, i8 } %87, 0
  store ptr %90, ptr %89, align 8
  %91 = getelementptr inbounds { ptr, i8 }, ptr %15, i32 0, i32 1
  %92 = extractvalue { ptr, i8 } %87, 1
  store i8 %92, ptr %91, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  %93 = load i32, ptr %7, align 4, !tbaa !5
  %94 = load i32, ptr %3, align 4, !tbaa !5
  %95 = mul nsw i32 %93, %94
  store i32 %95, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #7
  %96 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %97 unwind label %107

97:                                               ; preds = %88
  %98 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %17, i32 0, i32 0
  store ptr %96, ptr %98, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #7
  %99 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %5) #7
  %100 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %18, i32 0, i32 0
  store ptr %99, ptr %100, align 8
  %101 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  br i1 %101, label %102, label %111

102:                                              ; preds = %97
  store i32 9, ptr %4, align 4
  br label %129

103:                                              ; preds = %80
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %12, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %13, align 4
  br label %139

107:                                              ; preds = %88
  %108 = landingpad { ptr, i32 }
          cleanup
  %109 = extractvalue { ptr, i32 } %108, 0
  store ptr %109, ptr %12, align 8
  %110 = extractvalue { ptr, i32 } %108, 1
  store i32 %110, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  br label %138

111:                                              ; preds = %97
  %112 = load i32, ptr %16, align 4, !tbaa !5
  %113 = sext i32 %112 to i64
  %114 = getelementptr inbounds [100010 x i64], ptr @s, i64 0, i64 %113
  %115 = load i64, ptr %114, align 8, !tbaa !11
  %116 = load i64, ptr %6, align 8, !tbaa !11
  %117 = add nsw i64 %116, %115
  store i64 %117, ptr %6, align 8, !tbaa !11
  %118 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %119 unwind label %134

119:                                              ; preds = %111
  %120 = getelementptr inbounds { ptr, i8 }, ptr %19, i32 0, i32 0
  %121 = extractvalue { ptr, i8 } %118, 0
  store ptr %121, ptr %120, align 8
  %122 = getelementptr inbounds { ptr, i8 }, ptr %19, i32 0, i32 1
  %123 = extractvalue { ptr, i8 } %118, 1
  store i8 %123, ptr %122, align 8
  %124 = 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) %6)
          to label %125 unwind label %134

125:                                              ; preds = %119
  %126 = load i64, ptr %124, align 8, !tbaa !11
  store i64 %126, ptr @ans, align 8, !tbaa !11
  %127 = load i32, ptr %7, align 4, !tbaa !5
  %128 = add nsw i32 %127, 1
  store i32 %128, ptr %7, align 4, !tbaa !5
  store i32 0, ptr %4, align 4
  br label %129

129:                                              ; preds = %125, %102
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %130

130:                                              ; preds = %129, %75
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %131

131:                                              ; preds = %130, %61
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  %132 = load i32, ptr %4, align 4
  switch i32 %132, label %154 [
    i32 0, label %133
    i32 9, label %140
  ]

133:                                              ; preds = %131
  br label %41, !llvm.loop !13

134:                                              ; preds = %119, %111
  %135 = landingpad { ptr, i32 }
          cleanup
  %136 = extractvalue { ptr, i32 } %135, 0
  store ptr %136, ptr %12, align 8
  %137 = extractvalue { ptr, i32 } %135, 1
  store i32 %137, ptr %13, align 4
  br label %138

138:                                              ; preds = %134, %107
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %139

139:                                              ; preds = %138, %103, %76
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 8, 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 4, ptr %3) #7
  br label %149

140:                                              ; preds = %131, %48
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 8, 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
  br label %141

141:                                              ; preds = %140
  %142 = load i32, ptr %3, align 4, !tbaa !5
  %143 = add nsw i32 %142, 1
  store i32 %143, ptr %3, align 4, !tbaa !5
  br label %35, !llvm.loop !14

144:                                              ; preds = %39
  %145 = load i64, ptr @ans, align 8, !tbaa !11
  %146 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %145)
  %147 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %146, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %148 = load i32, ptr %1, align 4
  ret i32 %148

149:                                              ; preds = %139
  %150 = load ptr, ptr %12, align 8
  %151 = load i32, ptr %13, align 4
  %152 = insertvalue { ptr, i32 } poison, ptr %150, 0
  %153 = insertvalue { ptr, i32 } %152, i32 %151, 1
  resume { ptr, i32 } %153

154:                                              ; preds = %131
  unreachable
}

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 @_ZStneRKSt23_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
@s = external dso_local global [100010 x i64], align 16
@ans = external dso_local global i64, align 8
@_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 %"class.std::set", align 8
  %2 = alloca i64, align 8
  %3 = alloca i32, align 4
  %4 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %5 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %6 = alloca i32, align 4
  %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.ph54, 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 = %.thread, %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.ph54:                                         ; preds = %.preheader, %.thread
  %.02252 = phi i32 [ %68, %.thread ], [ 1, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %1) #7
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #7
  store i64 0, ptr %2, align 8, !tbaa !11
  %21 = load i32, ptr @N, align 4, !tbaa !5
  %.not48 = icmp sgt i32 %21, 0
  br i1 %.not48, label %.lr.ph50, label %.thread

.lr.ph50:                                         ; preds = %.lr.ph54, %58
  %22 = phi i32 [ %63, %58 ], [ %21, %.lr.ph54 ]
  %23 = phi i32 [ %62, %58 ], [ 0, %.lr.ph54 ]
  %.02449 = phi i32 [ %61, %58 ], [ 0, %.lr.ph54 ]
  %24 = xor i32 %23, -1
  %25 = add i32 %22, %24
  %.not33 = icmp sgt i32 %25, %.02252
  br i1 %.not33, label %26, label %.thread

26:                                               ; preds = %.lr.ph50
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  store i32 %25, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #7
  %27 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %28 unwind label %31

28:                                               ; preds = %26
  store ptr %27, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  %29 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %1) #7
  store ptr %29, ptr %5, align 8
  %30 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  br i1 %30, label %.thread39, label %33

.thread39:                                        ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  br label %.thread

31:                                               ; preds = %26
  %32 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  br label %67

33:                                               ; preds = %28
  %34 = load i32, ptr %3, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [100010 x i64], ptr @s, i64 0, i64 %35
  %37 = load i64, ptr %36, align 8, !tbaa !11
  %38 = load i64, ptr %2, align 8, !tbaa !11
  %39 = add nsw i64 %38, %37
  store i64 %39, ptr %2, align 8, !tbaa !11
  %40 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %41 unwind label %46

41:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  store i32 %23, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #7
  %42 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %43 unwind label %48

43:                                               ; preds = %41
  store ptr %42, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #7
  %44 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %1) #7
  store ptr %44, ptr %8, align 8
  %45 = call noundef zeroext i1 @_ZStneRKSt23_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
  br i1 %45, label %.thread43, label %50

.thread43:                                        ; preds = %43
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  br label %.thread

46:                                               ; preds = %33
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %67

48:                                               ; preds = %41
  %49 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  br label %66

50:                                               ; preds = %43
  %51 = load i32, ptr %6, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [100010 x i64], ptr @s, i64 0, i64 %52
  %54 = load i64, ptr %53, align 8, !tbaa !11
  %55 = load i64, ptr %2, align 8, !tbaa !11
  %56 = add nsw i64 %55, %54
  store i64 %56, ptr %2, align 8, !tbaa !11
  %57 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %58 unwind label %64

58:                                               ; preds = %50
  %59 = 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) %2)
  %60 = load i64, ptr %59, align 8, !tbaa !11
  store i64 %60, ptr @ans, align 8, !tbaa !11
  %61 = add nuw nsw i32 %.02449, 1
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  %62 = mul nuw nsw i32 %61, %.02252
  %63 = load i32, ptr @N, align 4, !tbaa !5
  %.not = icmp slt i32 %62, %63
  br i1 %.not, label %.lr.ph50, label %.thread

64:                                               ; preds = %50
  %65 = landingpad { ptr, i32 }
          cleanup
  br label %66

66:                                               ; preds = %64, %48
  %.pn = phi { ptr, i32 } [ %65, %64 ], [ %49, %48 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  br label %67

67:                                               ; preds = %66, %46, %31
  %.pn.pn = phi { ptr, i32 } [ %.pn, %66 ], [ %47, %46 ], [ %32, %31 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn

.thread:                                          ; preds = %58, %.lr.ph50, %.lr.ph54, %.thread43, %.thread39
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %1) #7
  %68 = add nuw nsw i32 %.02252, 1
  %69 = load i32, ptr @N, align 4, !tbaa !5
  %70 = icmp slt i32 %68, %69
  br i1 %70, label %.lr.ph54, label %._crit_edge, !llvm.loop !13
}

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 @_ZStneRKSt23_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}


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