; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/URI/1104 (main)

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

%"class.std::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::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@_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 i32, align 4
  %6 = alloca %"class.std::set", align 8
  %7 = alloca %"class.std::set", align 8
  %8 = alloca %"class.std::set", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::pair", align 8
  %12 = alloca %"struct.std::pair", align 8
  %13 = alloca ptr, align 8
  %14 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %15 = alloca %"struct.std::_Rb_tree_const_iterator", 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
  %20 = alloca ptr, align 8
  %21 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %22 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %23 = alloca i32, align 4
  %24 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %25 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %26 = alloca %"struct.std::pair", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 48, ptr %6) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.start.p0(i64 48, ptr %7) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  call void @llvm.lifetime.start.p0(i64 48, ptr %8) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %8) #6
  br label %27

27:                                               ; preds = %161, %0
  br label %28

28:                                               ; preds = %27
  call void @_ZNSt3setIiSt4lessIiESaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) %8) #6
  %29 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %30 unwind label %39

30:                                               ; preds = %28
  %31 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %32 unwind label %39

32:                                               ; preds = %30
  %33 = load i32, ptr %2, align 4, !tbaa !5
  %34 = icmp eq i32 %33, 0
  br i1 %34, label %35, label %43

35:                                               ; preds = %32
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = icmp eq i32 %36, 0
  br i1 %37, label %38, label %43

38:                                               ; preds = %35
  br label %162

39:                                               ; preds = %159, %155, %64, %62, %50, %48, %30, %28
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %9, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %10, align 4
  br label %164

43:                                               ; preds = %35, %32
  br label %44

44:                                               ; preds = %52, %43
  %45 = load i32, ptr %2, align 4, !tbaa !5
  %46 = add nsw i32 %45, -1
  store i32 %46, ptr %2, align 4, !tbaa !5
  %47 = icmp ne i32 %45, 0
  br i1 %47, label %48, label %57

48:                                               ; preds = %44
  %49 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %50 unwind label %39

50:                                               ; preds = %48
  %51 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %52 unwind label %39

52:                                               ; preds = %50
  %53 = getelementptr inbounds { ptr, i8 }, ptr %11, i32 0, i32 0
  %54 = extractvalue { ptr, i8 } %51, 0
  store ptr %54, ptr %53, align 8
  %55 = getelementptr inbounds { ptr, i8 }, ptr %11, i32 0, i32 1
  %56 = extractvalue { ptr, i8 } %51, 1
  store i8 %56, ptr %55, align 8
  br label %44, !llvm.loop !9

57:                                               ; preds = %44
  br label %58

58:                                               ; preds = %66, %57
  %59 = load i32, ptr %3, align 4, !tbaa !5
  %60 = add nsw i32 %59, -1
  store i32 %60, ptr %3, align 4, !tbaa !5
  %61 = icmp ne i32 %59, 0
  br i1 %61, label %62, label %71

62:                                               ; preds = %58
  %63 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %64 unwind label %39

64:                                               ; preds = %62
  %65 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %7, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %66 unwind label %39

66:                                               ; preds = %64
  %67 = getelementptr inbounds { ptr, i8 }, ptr %12, i32 0, i32 0
  %68 = extractvalue { ptr, i8 } %65, 0
  store ptr %68, ptr %67, align 8
  %69 = getelementptr inbounds { ptr, i8 }, ptr %12, i32 0, i32 1
  %70 = extractvalue { ptr, i8 } %65, 1
  store i8 %70, ptr %69, align 8
  br label %58, !llvm.loop !11

71:                                               ; preds = %58
  %72 = call noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  %73 = trunc i64 %72 to i32
  %74 = call noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  %75 = trunc i64 %74 to i32
  %76 = icmp slt i32 %73, %75
  br i1 %76, label %77, label %116

77:                                               ; preds = %71
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  store ptr %6, ptr %13, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %78 = load ptr, ptr %13, align 8, !tbaa !12
  %79 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %78) #6
  %80 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %14, i32 0, i32 0
  store ptr %79, ptr %80, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %81 = load ptr, ptr %13, align 8, !tbaa !12
  %82 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %81) #6
  %83 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %15, i32 0, i32 0
  store ptr %82, ptr %83, align 8
  br label %84

84:                                               ; preds = %112, %77
  %85 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef nonnull align 8 dereferenceable(8) %15) #6
  br i1 %85, label %87, label %86

86:                                               ; preds = %84
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %115

87:                                               ; preds = %84
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #6
  %88 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  %89 = load i32, ptr %88, align 4, !tbaa !5
  store i32 %89, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  %90 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %7, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %91 unwind label %103

91:                                               ; preds = %87
  %92 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %17, i32 0, i32 0
  store ptr %90, ptr %92, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #6
  %93 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  %94 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %18, i32 0, i32 0
  store ptr %93, ptr %94, align 8
  %95 = call noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br i1 %95, label %96, label %111

96:                                               ; preds = %91
  %97 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %8, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %98 unwind label %107

98:                                               ; preds = %96
  %99 = getelementptr inbounds { ptr, i8 }, ptr %19, i32 0, i32 0
  %100 = extractvalue { ptr, i8 } %97, 0
  store ptr %100, ptr %99, align 8
  %101 = getelementptr inbounds { ptr, i8 }, ptr %19, i32 0, i32 1
  %102 = extractvalue { ptr, i8 } %97, 1
  store i8 %102, ptr %101, align 8
  br label %111

103:                                              ; preds = %87
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %9, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %114

107:                                              ; preds = %96
  %108 = landingpad { ptr, i32 }
          cleanup
  %109 = extractvalue { ptr, i32 } %108, 0
  store ptr %109, ptr %9, align 8
  %110 = extractvalue { ptr, i32 } %108, 1
  store i32 %110, ptr %10, align 4
  br label %114

111:                                              ; preds = %98, %91
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  br label %112

112:                                              ; preds = %111
  %113 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  br label %84

114:                                              ; preds = %107, %103
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %164

115:                                              ; preds = %86
  br label %155

116:                                              ; preds = %71
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #6
  store ptr %7, ptr %20, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #6
  %117 = load ptr, ptr %20, align 8, !tbaa !12
  %118 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %117) #6
  %119 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %21, i32 0, i32 0
  store ptr %118, ptr %119, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #6
  %120 = load ptr, ptr %20, align 8, !tbaa !12
  %121 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %120) #6
  %122 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %22, i32 0, i32 0
  store ptr %121, ptr %122, align 8
  br label %123

123:                                              ; preds = %151, %116
  %124 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(8) %22) #6
  br i1 %124, label %126, label %125

125:                                              ; preds = %123
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #6
  br label %154

126:                                              ; preds = %123
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #6
  %127 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #6
  %128 = load i32, ptr %127, align 4, !tbaa !5
  store i32 %128, ptr %23, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %24) #6
  %129 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(4) %23)
          to label %130 unwind label %142

130:                                              ; preds = %126
  %131 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %24, i32 0, i32 0
  store ptr %129, ptr %131, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #6
  %132 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  %133 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %25, i32 0, i32 0
  store ptr %132, ptr %133, align 8
  %134 = call noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %24, ptr noundef nonnull align 8 dereferenceable(8) %25) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #6
  br i1 %134, label %135, label %150

135:                                              ; preds = %130
  %136 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %8, ptr noundef nonnull align 4 dereferenceable(4) %23)
          to label %137 unwind label %146

137:                                              ; preds = %135
  %138 = getelementptr inbounds { ptr, i8 }, ptr %26, i32 0, i32 0
  %139 = extractvalue { ptr, i8 } %136, 0
  store ptr %139, ptr %138, align 8
  %140 = getelementptr inbounds { ptr, i8 }, ptr %26, i32 0, i32 1
  %141 = extractvalue { ptr, i8 } %136, 1
  store i8 %141, ptr %140, align 8
  br label %150

142:                                              ; preds = %126
  %143 = landingpad { ptr, i32 }
          cleanup
  %144 = extractvalue { ptr, i32 } %143, 0
  store ptr %144, ptr %9, align 8
  %145 = extractvalue { ptr, i32 } %143, 1
  store i32 %145, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #6
  br label %153

146:                                              ; preds = %135
  %147 = landingpad { ptr, i32 }
          cleanup
  %148 = extractvalue { ptr, i32 } %147, 0
  store ptr %148, ptr %9, align 8
  %149 = extractvalue { ptr, i32 } %147, 1
  store i32 %149, ptr %10, align 4
  br label %153

150:                                              ; preds = %137, %130
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #6
  br label %151

151:                                              ; preds = %150
  %152 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #6
  br label %123

153:                                              ; preds = %146, %142
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #6
  br label %164

154:                                              ; preds = %125
  br label %155

155:                                              ; preds = %154, %115
  %156 = call noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %8) #6
  %157 = trunc i64 %156 to i32
  %158 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %157)
          to label %159 unwind label %39

159:                                              ; preds = %155
  %160 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %158, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %161 unwind label %39

161:                                              ; preds = %159
  br label %27, !llvm.loop !14

162:                                              ; preds = %38
  store i32 0, ptr %1, align 4
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %8) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %8) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %7) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %163 = load i32, ptr %1, align 4
  ret i32 %163

164:                                              ; preds = %153, %114, %39
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %8) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %8) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %7) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %165

165:                                              ; preds = %164
  %166 = load ptr, ptr %9, align 8
  %167 = load i32, ptr %10, align 4
  %168 = insertvalue { ptr, i32 } poison, ptr %166, 0
  %169 = insertvalue { ptr, i32 } %168, i32 %167, 1
  resume { ptr, i32 } %169
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 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)) #2

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

; 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 void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

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

@_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 i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::set", align 8
  %5 = alloca %"class.std::set", align 8
  %6 = alloca %"class.std::set", align 8
  %7 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %8 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %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 i32, align 4
  %15 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %16 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %4) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %5) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #6
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %6) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  br label %17

17:                                               ; preds = %87, %0
  call void @_ZNSt3setIiSt4lessIiESaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) %5) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  %18 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %19 unwind label %.loopexit.split-lp.loopexit.split-lp

19:                                               ; preds = %17
  %20 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %21 unwind label %.loopexit.split-lp.loopexit.split-lp

21:                                               ; preds = %19
  %22 = load i32, ptr %1, align 4, !tbaa !5
  %23 = icmp eq i32 %22, 0
  %24 = load i32, ptr %2, align 4
  %25 = icmp eq i32 %24, 0
  %or.cond = select i1 %23, i1 %25, i1 false
  br i1 %or.cond, label %89, label %.preheader22

.preheader22:                                     ; preds = %21
  %26 = add nsw i32 %22, -1
  store i32 %26, ptr %1, align 4, !tbaa !5
  br i1 %23, label %.preheader.preheader, label %.lr.ph

.preheader.preheader:                             ; preds = %thread-pre-split, %.preheader22
  br label %.preheader

.loopexit:                                        ; preds = %33, %35
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp.loopexit:                      ; preds = %29, %.lr.ph
  %lpad.loopexit23 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp.loopexit.split-lp:             ; preds = %87, %83, %19, %17
  %lpad.loopexit.split-lp24 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

thread-pre-split:                                 ; preds = %29
  %.pr = load i32, ptr %1, align 4, !tbaa !5
  %27 = add nsw i32 %.pr, -1
  store i32 %27, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %.pr, 0
  br i1 %.not, label %.preheader.preheader, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader22, %thread-pre-split
  %28 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %29 unwind label %.loopexit.split-lp.loopexit

29:                                               ; preds = %.lr.ph
  %30 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %thread-pre-split unwind label %.loopexit.split-lp.loopexit, !llvm.loop !9

.preheader:                                       ; preds = %.preheader.preheader, %35
  %31 = load i32, ptr %2, align 4, !tbaa !5
  %32 = add nsw i32 %31, -1
  store i32 %32, ptr %2, align 4, !tbaa !5
  %.not16 = icmp eq i32 %31, 0
  br i1 %.not16, label %37, label %33

33:                                               ; preds = %.preheader
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %35 unwind label %.loopexit

35:                                               ; preds = %33
  %36 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %.preheader unwind label %.loopexit, !llvm.loop !11

37:                                               ; preds = %.preheader
  %38 = call noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  %39 = trunc i64 %38 to i32
  %40 = call noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %5) #6
  %41 = trunc i64 %40 to i32
  %42 = icmp slt i32 %39, %41
  br i1 %42, label %43, label %63

43:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %44 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  store ptr %44, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #6
  %45 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  store ptr %45, ptr %8, align 8
  %46 = 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) #6
  br i1 %46, label %.lr.ph29, label %._crit_edge30

._crit_edge30:                                    ; preds = %59, %43
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %83

.lr.ph29:                                         ; preds = %43, %59
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #6
  %47 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #6
  %48 = load i32, ptr %47, align 4, !tbaa !5
  store i32 %48, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #6
  %49 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %50 unwind label %55

50:                                               ; preds = %.lr.ph29
  store ptr %49, ptr %10, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #6
  %51 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %5) #6
  store ptr %51, ptr %11, align 8
  %52 = call noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  br i1 %52, label %53, label %59

53:                                               ; preds = %50
  %54 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %59 unwind label %57

55:                                               ; preds = %.lr.ph29
  %56 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  br label %62

57:                                               ; preds = %53
  %58 = landingpad { ptr, i32 }
          cleanup
  br label %62

59:                                               ; preds = %53, %50
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #6
  %60 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #6
  %61 = 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) #6
  br i1 %61, label %.lr.ph29, label %._crit_edge30

62:                                               ; preds = %57, %55
  %.pn18 = phi { ptr, i32 } [ %58, %57 ], [ %56, %55 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %.loopexit.split-lp

63:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #6
  %64 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %5) #6
  store ptr %64, ptr %12, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #6
  %65 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %5) #6
  store ptr %65, ptr %13, align 8
  %66 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  br i1 %66, label %.lr.ph27, label %._crit_edge

._crit_edge:                                      ; preds = %79, %63
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  br label %83

.lr.ph27:                                         ; preds = %63, %79
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %14) #6
  %67 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #6
  %68 = load i32, ptr %67, align 4, !tbaa !5
  store i32 %68, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %15) #6
  %69 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %70 unwind label %75

70:                                               ; preds = %.lr.ph27
  store ptr %69, ptr %15, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %16) #6
  %71 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  store ptr %71, ptr %16, align 8
  %72 = call noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #6
  br i1 %72, label %73, label %79

73:                                               ; preds = %70
  %74 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %79 unwind label %77

75:                                               ; preds = %.lr.ph27
  %76 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #6
  br label %82

77:                                               ; preds = %73
  %78 = landingpad { ptr, i32 }
          cleanup
  br label %82

79:                                               ; preds = %73, %70
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #6
  %80 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #6
  %81 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  br i1 %81, label %.lr.ph27, label %._crit_edge

82:                                               ; preds = %77, %75
  %.pn = phi { ptr, i32 } [ %78, %77 ], [ %76, %75 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  br label %.loopexit.split-lp

83:                                               ; preds = %._crit_edge, %._crit_edge30
  %84 = call noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  %85 = trunc i64 %84 to i32
  %86 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %85)
          to label %87 unwind label %.loopexit.split-lp.loopexit.split-lp

87:                                               ; preds = %83
  %88 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %86, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %17 unwind label %.loopexit.split-lp.loopexit.split-lp, !llvm.loop !12

89:                                               ; preds = %21
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %6) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %5) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

.loopexit.split-lp:                               ; preds = %.loopexit, %.loopexit.split-lp.loopexit.split-lp, %.loopexit.split-lp.loopexit, %82, %62
  %.pn20 = phi { ptr, i32 } [ %.pn18, %62 ], [ %.pn, %82 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit23, %.loopexit.split-lp.loopexit ], [ %lpad.loopexit.split-lp24, %.loopexit.split-lp.loopexit.split-lp ]
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %6) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %5) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn20
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 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 #3

declare i32 @__gxx_personality_v0(...)

; 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 #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 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 #2

; 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 #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

; 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 #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 void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


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