; LLVM IR from DionysiosB/CodeForces :: 0300-0399 (305A-StrangeAddition)

; 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::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 }

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [1 x i8], align 1

; 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 %"class.std::set", align 8
  %5 = alloca i32, align 4
  %6 = alloca i8, align 1
  %7 = alloca i8, align 1
  %8 = alloca i8, align 1
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::pair", align 8
  %14 = alloca i32, align 4
  %15 = alloca %"struct.std::pair", align 8
  %16 = alloca %"struct.std::pair", align 8
  %17 = alloca %"struct.std::pair", align 8
  %18 = alloca %"struct.std::pair", align 8
  %19 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %20 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %21 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %22 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 0, ptr %2, align 4, !tbaa !5
  %23 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 48, ptr %4) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 -1, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #6
  store i8 0, ptr %6, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #6
  store i8 0, ptr %7, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #6
  store i8 0, ptr %8, align 1, !tbaa !9
  br label %24

24:                                               ; preds = %94, %0
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = add nsw i32 %25, -1
  store i32 %26, ptr %2, align 4, !tbaa !5
  %27 = icmp ne i32 %25, 0
  br i1 %27, label %28, label %96

28:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  %29 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %9)
          to label %30 unwind label %40

30:                                               ; preds = %28
  %31 = load i32, ptr %9, align 4, !tbaa !5
  %32 = icmp eq i32 %31, 0
  br i1 %32, label %33, label %48

33:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !5
  %34 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %35 unwind label %44

35:                                               ; preds = %33
  %36 = getelementptr inbounds { ptr, i8 }, ptr %13, i32 0, i32 0
  %37 = extractvalue { ptr, i8 } %34, 0
  store ptr %37, ptr %36, align 8
  %38 = getelementptr inbounds { ptr, i8 }, ptr %13, i32 0, i32 1
  %39 = extractvalue { ptr, i8 } %34, 1
  store i8 %39, ptr %38, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %94

40:                                               ; preds = %82, %68, %28
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %10, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %11, align 4
  br label %95

44:                                               ; preds = %33
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %10, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %95

48:                                               ; preds = %30
  %49 = load i32, ptr %9, align 4, !tbaa !5
  %50 = icmp eq i32 %49, 100
  br i1 %50, label %51, label %62

51:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  store i32 100, ptr %14, align 4, !tbaa !5
  %52 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %53 unwind label %58

53:                                               ; preds = %51
  %54 = getelementptr inbounds { ptr, i8 }, ptr %15, i32 0, i32 0
  %55 = extractvalue { ptr, i8 } %52, 0
  store ptr %55, ptr %54, align 8
  %56 = getelementptr inbounds { ptr, i8 }, ptr %15, i32 0, i32 1
  %57 = extractvalue { ptr, i8 } %52, 1
  store i8 %57, ptr %56, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %93

58:                                               ; preds = %51
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %10, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %95

62:                                               ; preds = %48
  %63 = load i8, ptr %6, align 1, !tbaa !9, !range !11, !noundef !12
  %64 = trunc i8 %63 to i1
  br i1 %64, label %75, label %65

65:                                               ; preds = %62
  %66 = load i32, ptr %9, align 4, !tbaa !5
  %67 = icmp slt i32 %66, 10
  br i1 %67, label %68, label %75

68:                                               ; preds = %65
  %69 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %70 unwind label %40

70:                                               ; preds = %68
  %71 = getelementptr inbounds { ptr, i8 }, ptr %16, i32 0, i32 0
  %72 = extractvalue { ptr, i8 } %69, 0
  store ptr %72, ptr %71, align 8
  %73 = getelementptr inbounds { ptr, i8 }, ptr %16, i32 0, i32 1
  %74 = extractvalue { ptr, i8 } %69, 1
  store i8 %74, ptr %73, align 8
  store i8 1, ptr %6, align 1, !tbaa !9
  br label %92

75:                                               ; preds = %65, %62
  %76 = load i8, ptr %7, align 1, !tbaa !9, !range !11, !noundef !12
  %77 = trunc i8 %76 to i1
  br i1 %77, label %89, label %78

78:                                               ; preds = %75
  %79 = load i32, ptr %9, align 4, !tbaa !5
  %80 = srem i32 %79, 10
  %81 = icmp eq i32 %80, 0
  br i1 %81, label %82, label %89

82:                                               ; preds = %78
  %83 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %84 unwind label %40

84:                                               ; preds = %82
  %85 = getelementptr inbounds { ptr, i8 }, ptr %17, i32 0, i32 0
  %86 = extractvalue { ptr, i8 } %83, 0
  store ptr %86, ptr %85, align 8
  %87 = getelementptr inbounds { ptr, i8 }, ptr %17, i32 0, i32 1
  %88 = extractvalue { ptr, i8 } %83, 1
  store i8 %88, ptr %87, align 8
  store i8 1, ptr %7, align 1, !tbaa !9
  br label %91

89:                                               ; preds = %78, %75
  %90 = load i32, ptr %9, align 4, !tbaa !5
  store i32 %90, ptr %5, align 4, !tbaa !5
  store i8 1, ptr %8, align 1, !tbaa !9
  br label %91

91:                                               ; preds = %89, %84
  br label %92

92:                                               ; preds = %91, %70
  br label %93

93:                                               ; preds = %92, %53
  br label %94

94:                                               ; preds = %93, %35
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %24, !llvm.loop !13

95:                                               ; preds = %58, %44, %40
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %142

96:                                               ; preds = %24
  %97 = load i8, ptr %6, align 1, !tbaa !9, !range !11, !noundef !12
  %98 = trunc i8 %97 to i1
  br i1 %98, label %116, label %99

99:                                               ; preds = %96
  %100 = load i8, ptr %7, align 1, !tbaa !9, !range !11, !noundef !12
  %101 = trunc i8 %100 to i1
  br i1 %101, label %116, label %102

102:                                              ; preds = %99
  %103 = load i32, ptr %5, align 4, !tbaa !5
  %104 = icmp sgt i32 %103, 0
  br i1 %104, label %105, label %116

105:                                              ; preds = %102
  %106 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %107 unwind label %112

107:                                              ; preds = %105
  %108 = getelementptr inbounds { ptr, i8 }, ptr %18, i32 0, i32 0
  %109 = extractvalue { ptr, i8 } %106, 0
  store ptr %109, ptr %108, align 8
  %110 = getelementptr inbounds { ptr, i8 }, ptr %18, i32 0, i32 1
  %111 = extractvalue { ptr, i8 } %106, 1
  store i8 %111, ptr %110, align 8
  br label %116

112:                                              ; preds = %116, %105
  %113 = landingpad { ptr, i32 }
          cleanup
  %114 = extractvalue { ptr, i32 } %113, 0
  store ptr %114, ptr %10, align 8
  %115 = extractvalue { ptr, i32 } %113, 1
  store i32 %115, ptr %11, align 4
  br label %142

116:                                              ; preds = %107, %102, %99, %96
  %117 = call noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  %118 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %117)
          to label %119 unwind label %112

119:                                              ; preds = %116
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #6
  call void @_ZNSt23_Rb_tree_const_iteratorIiEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %19) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #6
  %120 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  %121 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %20, i32 0, i32 0
  store ptr %120, ptr %121, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %19, ptr align 8 %20, i64 8, i1 false), !tbaa.struct !15
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #6
  br label %122

122:                                              ; preds = %131, %119
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #6
  %123 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  %124 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %21, i32 0, i32 0
  store ptr %123, ptr %124, align 8
  %125 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %19, ptr noundef nonnull align 8 dereferenceable(8) %21) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  br i1 %125, label %126, label %138

126:                                              ; preds = %122
  %127 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %19) #6
  %128 = load i32, ptr %127, align 4, !tbaa !5
  %129 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %128)
          to label %130 unwind label %134

130:                                              ; preds = %126
  br label %131

131:                                              ; preds = %130
  %132 = call ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEi(ptr noundef nonnull align 8 dereferenceable(8) %19, i32 noundef 0) #6
  %133 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %22, i32 0, i32 0
  store ptr %132, ptr %133, align 8
  br label %122, !llvm.loop !18

134:                                              ; preds = %138, %126
  %135 = landingpad { ptr, i32 }
          cleanup
  %136 = extractvalue { ptr, i32 } %135, 0
  store ptr %136, ptr %10, align 8
  %137 = extractvalue { ptr, i32 } %135, 1
  store i32 %137, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  br label %142

138:                                              ; preds = %122
  %139 = invoke i32 @puts(ptr noundef @.str.3)
          to label %140 unwind label %134

140:                                              ; preds = %138
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  call void @llvm.lifetime.end.p0(i64 48, 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
  %141 = load i32, ptr %1, align 4
  ret i32 %141

142:                                              ; preds = %134, %112, %95
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  call void @llvm.lifetime.end.p0(i64 48, 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 %143

143:                                              ; preds = %142
  %144 = load ptr, ptr %10, align 8
  %145 = load i32, ptr %11, align 4
  %146 = insertvalue { ptr, i32 } poison, ptr %144, 0
  %147 = insertvalue { ptr, i32 } %146, i32 %145, 1
  resume { ptr, i32 } %147
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(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 uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt23_Rb_tree_const_iteratorIiEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #5

; 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)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 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)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3 align 2

declare i32 @puts(ptr noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 #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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{i64 0, i64 8, !16}
!16 = !{!17, !17, i64 0}
!17 = !{!"any pointer", !7, i64 0}
!18 = distinct !{!18, !14}


; 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::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 }

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [1 x i8], align 1

; 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 %"class.std::set", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %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
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  store i32 0, ptr %1, align 4, !tbaa !5
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %2) #5
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  store i32 -1, ptr %3, align 4, !tbaa !5
  %10 = load i32, ptr %1, align 4, !tbaa !5
  %11 = add nsw i32 %10, -1
  store i32 %11, ptr %1, align 4, !tbaa !5
  %.not2741 = icmp eq i32 %10, 0
  br i1 %.not2741, label %.thread, label %.lr.ph

.lr.ph:                                           ; preds = %0, %39
  %12 = phi i32 [ %40, %39 ], [ -1, %0 ]
  %.043 = phi i8 [ %.1, %39 ], [ 0, %0 ]
  %.02042 = phi i8 [ %.121, %39 ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %4)
  %14 = load i32, ptr %4, align 4
  switch i32 %14, label %27 [
    i32 0, label %15
    i32 100, label %22
  ]

15:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #5
  store i32 0, ptr %5, align 4, !tbaa !5
  %16 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %17 unwind label %20

17:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #5
  br label %39

18:                                               ; preds = %36, %30
  %19 = landingpad { ptr, i32 }
          cleanup
  br label %43

20:                                               ; preds = %15
  %21 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #5
  br label %43

22:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #5
  store i32 100, ptr %6, align 4, !tbaa !5
  %23 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %24 unwind label %25

24:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #5
  br label %39

25:                                               ; preds = %22
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #5
  br label %43

27:                                               ; preds = %.lr.ph
  %28 = trunc nuw i8 %.043 to i1
  %29 = icmp sgt i32 %14, 9
  %or.cond.not = or i1 %29, %28
  br i1 %or.cond.not, label %32, label %30

30:                                               ; preds = %27
  %31 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %39 unwind label %18

32:                                               ; preds = %27
  %33 = trunc nuw i8 %.02042 to i1
  %34 = srem i32 %14, 10
  %35 = icmp ne i32 %34, 0
  %or.cond.not34 = or i1 %35, %33
  br i1 %or.cond.not34, label %38, label %36

36:                                               ; preds = %32
  %37 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %39 unwind label %18

38:                                               ; preds = %32
  store i32 %14, ptr %3, align 4, !tbaa !5
  br label %39

39:                                               ; preds = %36, %30, %24, %38, %17
  %40 = phi i32 [ %12, %17 ], [ %12, %24 ], [ %14, %38 ], [ %12, %30 ], [ %12, %36 ]
  %.121 = phi i8 [ %.02042, %17 ], [ %.02042, %24 ], [ %.02042, %38 ], [ %.02042, %30 ], [ 1, %36 ]
  %.1 = phi i8 [ %.043, %17 ], [ %.043, %24 ], [ %.043, %38 ], [ 1, %30 ], [ %.043, %36 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  %41 = load i32, ptr %1, align 4, !tbaa !5
  %42 = add nsw i32 %41, -1
  store i32 %42, ptr %1, align 4, !tbaa !5
  %.not27 = icmp eq i32 %41, 0
  br i1 %.not27, label %._crit_edge, label %.lr.ph, !llvm.loop !9

43:                                               ; preds = %25, %20, %18
  %.pn = phi { ptr, i32 } [ %21, %20 ], [ %26, %25 ], [ %19, %18 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  br label %64

._crit_edge:                                      ; preds = %39
  %44 = trunc nuw i8 %.1 to i1
  %45 = trunc nuw i8 %.121 to i1
  %46 = icmp slt i32 %40, 1
  %47 = select i1 %44, i1 true, i1 %45
  %brmerge = select i1 %47, i1 true, i1 %46
  br i1 %brmerge, label %.thread, label %48

48:                                               ; preds = %._crit_edge
  %49 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %.thread unwind label %50

50:                                               ; preds = %48
  %51 = landingpad { ptr, i32 }
          cleanup
  br label %64

.thread:                                          ; preds = %._crit_edge, %0, %48
  %52 = call noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #5
  %53 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %52)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  call void @_ZNSt23_Rb_tree_const_iteratorIiEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %54 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #5
  store ptr %54, ptr %7, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %55 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #5
  store ptr %55, ptr %8, align 8
  %56 = 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) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  br i1 %56, label %.lr.ph46, label %._crit_edge47

.lr.ph46:                                         ; preds = %.thread, %.lr.ph46
  %57 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %58 = load i32, ptr %57, align 4, !tbaa !5
  %59 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %58)
  %60 = call ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEi(ptr noundef nonnull align 8 dereferenceable(8) %7, i32 noundef 0) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %61 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #5
  store ptr %61, ptr %8, align 8
  %62 = 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) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  br i1 %62, label %.lr.ph46, label %._crit_edge47, !llvm.loop !13

._crit_edge47:                                    ; preds = %.lr.ph46, %.thread
  %63 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.3)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret i32 0

64:                                               ; preds = %50, %43
  %.pn.pn = phi { ptr, i32 } [ %.pn, %43 ], [ %51, %50 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn.pn
}

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

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(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 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: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt23_Rb_tree_const_iteratorIiEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 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 #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 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 #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 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 = { nofree nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 #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 = { 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 = !{!"any pointer", !7, i64 0}
!13 = distinct !{!13, !10}


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