; LLVM IR from Izaron/ACM-ICPC :: Timus Online Judge/Volume 1/1053. Pinocchio (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<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_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 %"class.std::set", align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca i64, align 8
  %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 i64, align 8
  %14 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %15 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %16 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %17 = alloca i64, align 8
  %18 = alloca %"struct.std::pair", align 8
  %19 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  store i32 0, ptr %1, align 4
  %20 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %21 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %22 = getelementptr i8, ptr %21, i64 -24
  %23 = load i64, ptr %22, align 8
  %24 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %23
  %25 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %24, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 48, ptr %2) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %26 = 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 %27 unwind label %33

27:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !8
  br label %28

28:                                               ; preds = %46, %27
  %29 = load i32, ptr %6, align 4, !tbaa !8
  %30 = load i32, ptr %3, align 4, !tbaa !8
  %31 = icmp slt i32 %29, %30
  br i1 %31, label %37, label %32

32:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %53

33:                                               ; preds = %0
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %4, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %5, align 4
  br label %118

37:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %38 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %39 unwind label %49

39:                                               ; preds = %37
  %40 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertERKx(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %41 unwind label %49

41:                                               ; preds = %39
  %42 = getelementptr inbounds { ptr, i8 }, ptr %8, i32 0, i32 0
  %43 = extractvalue { ptr, i8 } %40, 0
  store ptr %43, ptr %42, align 8
  %44 = getelementptr inbounds { ptr, i8 }, ptr %8, i32 0, i32 1
  %45 = extractvalue { ptr, i8 } %40, 1
  store i8 %45, ptr %44, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %46

46:                                               ; preds = %41
  %47 = load i32, ptr %6, align 4, !tbaa !8
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr %6, align 4, !tbaa !8
  br label %28, !llvm.loop !11

49:                                               ; preds = %39, %37
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %4, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %118

53:                                               ; preds = %32
  br label %54

54:                                               ; preds = %85, %53
  %55 = call noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  %56 = icmp ugt i64 %55, 1
  br i1 %56, label %57, label %104

57:                                               ; preds = %54
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %58 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  %59 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %10, i32 0, i32 0
  store ptr %58, ptr %59, align 8
  %60 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  %61 = load i64, ptr %60, align 8, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  store i64 %61, ptr %9, align 8, !tbaa !13
  %62 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  %63 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %11, i32 0, i32 0
  store ptr %62, ptr %63, align 8
  %64 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %11, i32 0, i32 0
  %65 = load ptr, ptr %64, align 8
  %66 = invoke ptr @_ZNSt3setIxSt4lessIxESaIxEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIxE(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr %65)
          to label %67 unwind label %90

67:                                               ; preds = %57
  %68 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %12, i32 0, i32 0
  store ptr %66, ptr %68, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %69 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  %70 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %14, i32 0, i32 0
  store ptr %69, ptr %70, align 8
  %71 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  %72 = load i64, ptr %71, align 8, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  store i64 %72, ptr %13, align 8, !tbaa !13
  %73 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  %74 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %15, i32 0, i32 0
  store ptr %73, ptr %74, align 8
  %75 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %15, i32 0, i32 0
  %76 = load ptr, ptr %75, align 8
  %77 = invoke ptr @_ZNSt3setIxSt4lessIxESaIxEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIxE(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr %76)
          to label %78 unwind label %94

78:                                               ; preds = %67
  %79 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %16, i32 0, i32 0
  store ptr %77, ptr %79, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  %80 = load i64, ptr %9, align 8, !tbaa !13
  %81 = load i64, ptr %13, align 8, !tbaa !13
  %82 = invoke noundef i64 @_ZSt5__gcdIxET_S0_S0_(i64 noundef %80, i64 noundef %81)
          to label %83 unwind label %98

83:                                               ; preds = %78
  store i64 %82, ptr %17, align 8, !tbaa !13
  %84 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 8 dereferenceable(8) %17)
          to label %85 unwind label %98

85:                                               ; preds = %83
  %86 = getelementptr inbounds { ptr, i8 }, ptr %18, i32 0, i32 0
  %87 = extractvalue { ptr, i8 } %84, 0
  store ptr %87, ptr %86, align 8
  %88 = getelementptr inbounds { ptr, i8 }, ptr %18, i32 0, i32 1
  %89 = extractvalue { ptr, i8 } %84, 1
  store i8 %89, ptr %88, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %54, !llvm.loop !15

90:                                               ; preds = %57
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %4, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %5, align 4
  br label %103

94:                                               ; preds = %67
  %95 = landingpad { ptr, i32 }
          cleanup
  %96 = extractvalue { ptr, i32 } %95, 0
  store ptr %96, ptr %4, align 8
  %97 = extractvalue { ptr, i32 } %95, 1
  store i32 %97, ptr %5, align 4
  br label %102

98:                                               ; preds = %83, %78
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %4, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %102

102:                                              ; preds = %98, %94
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %103

103:                                              ; preds = %102, %90
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %118

104:                                              ; preds = %54
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #6
  %105 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  %106 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %19, i32 0, i32 0
  store ptr %105, ptr %106, align 8
  %107 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %19) #6
  %108 = load i64, ptr %107, align 8, !tbaa !13
  %109 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %108)
          to label %110 unwind label %114

110:                                              ; preds = %104
  %111 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %109, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %112 unwind label %114

112:                                              ; preds = %110
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %2) #6
  %113 = load i32, ptr %1, align 4
  ret i32 %113

114:                                              ; preds = %110, %104
  %115 = landingpad { ptr, i32 }
          cleanup
  %116 = extractvalue { ptr, i32 } %115, 0
  store ptr %116, ptr %4, align 8
  %117 = extractvalue { ptr, i32 } %115, 1
  store i32 %117, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  br label %118

118:                                              ; preds = %114, %103, %49, %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %2) #6
  br label %119

119:                                              ; preds = %118
  %120 = load ptr, ptr %4, align 8
  %121 = load i32, ptr %5, align 4
  %122 = insertvalue { ptr, i32 } poison, ptr %120, 0
  %123 = insertvalue { ptr, i32 } %122, i32 %121, 1
  resume { ptr, i32 } %123
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) 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)) #1

declare i32 @__gxx_personality_v0(...)

; 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)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertERKx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIxSt4lessIxESaIxEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIxE(ptr noundef nonnull align 8 dereferenceable(48), ptr) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZSt5__gcdIxET_S0_S0_(i64 noundef, i64 noundef) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #4 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) #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 @_ZNSt3setIxSt4lessIxESaIxEED2Ev(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 = { "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 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

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


; 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<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_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 %"class.std::set", align 8
  %2 = alloca i32, align 4
  %3 = alloca i64, align 8
  %4 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %5 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %6 = alloca i64, align 8
  %7 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %8 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %9 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %10 = getelementptr i8, ptr %9, i64 -24
  %11 = load i64, ptr %10, align 8
  %12 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %11
  %13 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %12, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %1) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %14 = 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 %.preheader20 unwind label %19

.preheader20:                                     ; preds = %0
  %15 = load i32, ptr %2, align 4, !tbaa !8
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %24, %.preheader20
  %17 = call noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  %18 = icmp ugt i64 %17, 1
  br i1 %18, label %.lr.ph22, label %._crit_edge

19:                                               ; preds = %0
  %20 = landingpad { ptr, i32 }
          cleanup
  br label %62

.lr.ph:                                           ; preds = %.preheader20, %24
  %.01521 = phi i32 [ %25, %24 ], [ 0, %.preheader20 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  %21 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %22 unwind label %28

22:                                               ; preds = %.lr.ph
  %23 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertERKx(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %24 unwind label %28

24:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  %25 = add nuw nsw i32 %.01521, 1
  %26 = load i32, ptr %2, align 4, !tbaa !8
  %27 = icmp slt i32 %25, %26
  br i1 %27, label %.lr.ph, label %.preheader, !llvm.loop !11

28:                                               ; preds = %22, %.lr.ph
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  br label %62

.lr.ph22:                                         ; preds = %.preheader, %44
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  %30 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  store ptr %30, ptr %4, align 8
  %31 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #6
  %32 = load i64, ptr %31, align 8, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  %33 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  %34 = invoke ptr @_ZNSt3setIxSt4lessIxESaIxEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIxE(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr %33)
          to label %35 unwind label %47

35:                                               ; preds = %.lr.ph22
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %36 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  store ptr %36, ptr %5, align 8
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #6
  %38 = load i64, ptr %37, align 8, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  %39 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  %40 = invoke ptr @_ZNSt3setIxSt4lessIxESaIxEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIxE(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr %39)
          to label %41 unwind label %49

41:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %42 = call noundef i64 @_ZSt5__gcdIxET_S0_S0_(i64 noundef %32, i64 noundef %38)
  store i64 %42, ptr %6, align 8, !tbaa !13
  %43 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %44 unwind label %51

44:                                               ; preds = %41
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  %45 = call noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  %46 = icmp ugt i64 %45, 1
  br i1 %46, label %.lr.ph22, label %._crit_edge, !llvm.loop !15

47:                                               ; preds = %.lr.ph22
  %48 = landingpad { ptr, i32 }
          cleanup
  br label %62

49:                                               ; preds = %35
  %50 = landingpad { ptr, i32 }
          cleanup
  br label %62

51:                                               ; preds = %41
  %52 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  br label %62

._crit_edge:                                      ; preds = %44, %.preheader
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %53 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  store ptr %53, ptr %7, align 8
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #6
  %55 = load i64, ptr %54, align 8, !tbaa !13
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %55)
          to label %57 unwind label %60

57:                                               ; preds = %._crit_edge
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %56, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %59 unwind label %60

59:                                               ; preds = %57
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %1) #6
  ret i32 0

60:                                               ; preds = %57, %._crit_edge
  %61 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %62

62:                                               ; preds = %47, %51, %49, %60, %28, %19
  %.pn18 = phi { ptr, i32 } [ %29, %28 ], [ %61, %60 ], [ %20, %19 ], [ %48, %47 ], [ %52, %51 ], [ %50, %49 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn18
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) 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 #1

declare i32 @__gxx_personality_v0(...)

; 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 #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertERKx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) 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) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIxSt4lessIxESaIxEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIxE(ptr noundef nonnull align 8 dereferenceable(48), ptr) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZSt5__gcdIxET_S0_S0_(i64 noundef, i64 noundef) local_unnamed_addr #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 #4 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 #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 @_ZNSt3setIxSt4lessIxESaIxEED2Ev(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 = { "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 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

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


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