; LLVM IR from DionysiosB/CodeForces :: 0700-0799 (742B-ArpasObviousProblemAndMehrdadsTerribleSolution)

; 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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, long long>>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, 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_iterator" = type { ptr }
%"struct.std::pair" = type { i64, i64 }

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 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 i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::map", align 8
  %5 = alloca %"class.std::map", align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %13 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %14 = alloca i32, align 4
  %15 = alloca i64, align 8
  %16 = alloca i64, align 8
  %17 = alloca %"struct.std::_Rb_tree_iterator", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 48, ptr %4) #5
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.start.p0(i64 48, ptr %5) #5
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  store i64 0, ptr %6, align 8, !tbaa !5
  br label %19

19:                                               ; preds = %60, %0
  %20 = load i64, ptr %6, align 8, !tbaa !5
  %21 = load i64, ptr %2, align 8, !tbaa !5
  %22 = icmp slt i64 %20, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %64

24:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %25 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %7)
          to label %26 unwind label %33

26:                                               ; preds = %24
  %27 = invoke noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %28 unwind label %33

28:                                               ; preds = %26
  %29 = icmp eq i64 %27, 0
  br i1 %29, label %30, label %37

30:                                               ; preds = %28
  %31 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %32 unwind label %33

32:                                               ; preds = %30
  store i64 0, ptr %31, align 8, !tbaa !5
  br label %37

33:                                               ; preds = %37, %30, %26, %24
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %8, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %9, align 4
  br label %63

37:                                               ; preds = %32, %28
  %38 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %39 unwind label %33

39:                                               ; preds = %37
  %40 = load i64, ptr %38, align 8, !tbaa !5
  %41 = add nsw i64 %40, 1
  store i64 %41, ptr %38, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %42 = load i64, ptr %7, align 8, !tbaa !5
  %43 = load i64, ptr %3, align 8, !tbaa !5
  %44 = xor i64 %42, %43
  store i64 %44, ptr %10, align 8, !tbaa !5
  %45 = invoke noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %46 unwind label %51

46:                                               ; preds = %39
  %47 = icmp eq i64 %45, 0
  br i1 %47, label %48, label %55

48:                                               ; preds = %46
  %49 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %50 unwind label %51

50:                                               ; preds = %48
  store i64 0, ptr %49, align 8, !tbaa !5
  br label %55

51:                                               ; preds = %55, %48, %39
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %8, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %63

55:                                               ; preds = %50, %46
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %57 unwind label %51

57:                                               ; preds = %55
  %58 = load i64, ptr %56, align 8, !tbaa !5
  %59 = add nsw i64 %58, 1
  store i64 %59, ptr %56, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %60

60:                                               ; preds = %57
  %61 = load i64, ptr %6, align 8, !tbaa !5
  %62 = add nsw i64 %61, 1
  store i64 %62, ptr %6, align 8, !tbaa !5
  br label %19, !llvm.loop !9

63:                                               ; preds = %51, %33
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %136

64:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  store i64 0, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  %65 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  %66 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %12, i32 0, i32 0
  store ptr %65, ptr %66, align 8
  br label %67

67:                                               ; preds = %120, %64
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  %68 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  %69 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %13, i32 0, i32 0
  store ptr %68, ptr %69, align 8
  %70 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br i1 %70, label %72, label %71

71:                                               ; preds = %67
  store i32 5, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %124

72:                                               ; preds = %67
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  %73 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #5
  %74 = getelementptr inbounds %"struct.std::pair", ptr %73, i32 0, i32 0
  %75 = load i64, ptr %74, align 8, !tbaa !11
  store i64 %75, ptr %15, align 8, !tbaa !5
  %76 = invoke noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 8 dereferenceable(8) %15)
          to label %77 unwind label %80

77:                                               ; preds = %72
  %78 = icmp eq i64 %76, 0
  br i1 %78, label %79, label %84

79:                                               ; preds = %77
  store i32 7, ptr %14, align 4
  br label %117

80:                                               ; preds = %72
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %8, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %9, align 4
  br label %123

84:                                               ; preds = %77
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %85 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #5
  %86 = getelementptr inbounds %"struct.std::pair", ptr %85, i32 0, i32 1
  %87 = load i64, ptr %86, align 8, !tbaa !13
  store i64 %87, ptr %16, align 8, !tbaa !5
  %88 = load i64, ptr %3, align 8, !tbaa !5
  %89 = icmp ne i64 %88, 0
  br i1 %89, label %90, label %102

90:                                               ; preds = %84
  %91 = load i64, ptr %16, align 8, !tbaa !5
  %92 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 8 dereferenceable(8) %15)
          to label %93 unwind label %98

93:                                               ; preds = %90
  %94 = load i64, ptr %92, align 8, !tbaa !5
  %95 = mul nsw i64 %91, %94
  %96 = load i64, ptr %11, align 8, !tbaa !5
  %97 = add nsw i64 %96, %95
  store i64 %97, ptr %11, align 8, !tbaa !5
  br label %116

98:                                               ; preds = %90
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %8, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  br label %123

102:                                              ; preds = %84
  %103 = load i64, ptr %3, align 8, !tbaa !5
  %104 = icmp eq i64 %103, 0
  br i1 %104, label %105, label %115

105:                                              ; preds = %102
  %106 = load i64, ptr %16, align 8, !tbaa !5
  %107 = icmp sgt i64 %106, 0
  br i1 %107, label %108, label %115

108:                                              ; preds = %105
  %109 = load i64, ptr %16, align 8, !tbaa !5
  %110 = load i64, ptr %16, align 8, !tbaa !5
  %111 = sub nsw i64 %110, 1
  %112 = mul nsw i64 %109, %111
  %113 = load i64, ptr %11, align 8, !tbaa !5
  %114 = add nsw i64 %113, %112
  store i64 %114, ptr %11, align 8, !tbaa !5
  br label %115

115:                                              ; preds = %108, %105, %102
  br label %116

116:                                              ; preds = %115, %93
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  store i32 0, ptr %14, align 4
  br label %117

117:                                              ; preds = %116, %79
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  %118 = load i32, ptr %14, align 4
  switch i32 %118, label %142 [
    i32 0, label %119
    i32 7, label %120
  ]

119:                                              ; preds = %117
  br label %120

120:                                              ; preds = %119, %117
  %121 = call ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %12, i32 noundef 0) #5
  %122 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %17, i32 0, i32 0
  store ptr %121, ptr %122, align 8
  br label %67, !llvm.loop !14

123:                                              ; preds = %98, %80
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %135

124:                                              ; preds = %71
  %125 = load i64, ptr %11, align 8, !tbaa !5
  %126 = sdiv i64 %125, 2
  store i64 %126, ptr %11, align 8, !tbaa !5
  %127 = load i64, ptr %11, align 8, !tbaa !5
  %128 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %127)
          to label %129 unwind label %131

129:                                              ; preds = %124
  store i32 0, ptr %1, align 4
  store i32 1, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %5) #5
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %130 = load i32, ptr %1, align 4
  ret i32 %130

131:                                              ; preds = %124
  %132 = landingpad { ptr, i32 }
          cleanup
  %133 = extractvalue { ptr, i32 } %132, 0
  store ptr %133, ptr %8, align 8
  %134 = extractvalue { ptr, i32 } %132, 1
  store i32 %134, ptr %9, align 4
  br label %135

135:                                              ; preds = %131, %123
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %136

136:                                              ; preds = %135, %63
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %5) #5
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %137

137:                                              ; preds = %136
  %138 = load ptr, ptr %8, align 8
  %139 = load i32, ptr %9, align 4
  %140 = insertvalue { ptr, i32 } poison, ptr %138, 0
  %141 = insertvalue { ptr, i32 } %140, i32 %139, 1
  resume { ptr, i32 } %141

142:                                              ; preds = %117
  unreachable
}

; 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 @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(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) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(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 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTSSt4pairIKxxE", !6, i64 0, !6, i64 8}
!13 = !{!12, !6, i64 8}
!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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, long long>>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, 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_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 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 i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::map", align 8
  %4 = alloca %"class.std::map", align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %8 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %9 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %3) #5
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %4) #5
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  %11 = load i64, ptr %1, align 8, !tbaa !5
  %12 = icmp sgt i64 %11, 0
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %43, %0
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  %13 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  store ptr %13, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %14 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  store ptr %14, ptr %8, align 8
  %15 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(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 %15, label %.lr.ph30, label %._crit_edge31

.lr.ph:                                           ; preds = %0, %43
  %.027 = phi i64 [ %46, %43 ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %5)
  %17 = invoke noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %18 unwind label %23

18:                                               ; preds = %.lr.ph
  %19 = icmp eq i64 %17, 0
  br i1 %19, label %20, label %25

20:                                               ; preds = %18
  %21 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %22 unwind label %23

22:                                               ; preds = %20
  store i64 0, ptr %21, align 8, !tbaa !5
  br label %25

23:                                               ; preds = %25, %20, %.lr.ph
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %49

25:                                               ; preds = %22, %18
  %26 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %27 unwind label %23

27:                                               ; preds = %25
  %28 = load i64, ptr %26, align 8, !tbaa !5
  %29 = add nsw i64 %28, 1
  store i64 %29, ptr %26, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %30 = load i64, ptr %5, align 8, !tbaa !5
  %31 = load i64, ptr %2, align 8, !tbaa !5
  %32 = xor i64 %31, %30
  store i64 %32, ptr %6, align 8, !tbaa !5
  %33 = invoke noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %34 unwind label %39

34:                                               ; preds = %27
  %35 = icmp eq i64 %33, 0
  br i1 %35, label %36, label %41

36:                                               ; preds = %34
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %38 unwind label %39

38:                                               ; preds = %36
  store i64 0, ptr %37, align 8, !tbaa !5
  br label %41

39:                                               ; preds = %41, %36, %27
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  br label %49

41:                                               ; preds = %38, %34
  %42 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %43 unwind label %39

43:                                               ; preds = %41
  %44 = load i64, ptr %42, align 8, !tbaa !5
  %45 = add nsw i64 %44, 1
  store i64 %45, ptr %42, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  %46 = add nuw nsw i64 %.027, 1
  %47 = load i64, ptr %1, align 8, !tbaa !5
  %48 = icmp slt i64 %46, %47
  br i1 %48, label %.lr.ph, label %._crit_edge, !llvm.loop !9

49:                                               ; preds = %39, %23
  %.pn22 = phi { ptr, i32 } [ %40, %39 ], [ %24, %23 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  br label %83

._crit_edge31.loopexit:                           ; preds = %78
  %50 = sdiv i64 %.2, 2
  br label %._crit_edge31

._crit_edge31:                                    ; preds = %._crit_edge31.loopexit, %._crit_edge
  %.013.lcssa = phi i64 [ 0, %._crit_edge ], [ %50, %._crit_edge31.loopexit ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  %51 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %.013.lcssa)
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %4) #5
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0

.lr.ph30:                                         ; preds = %._crit_edge, %78
  %.01328 = phi i64 [ %.2, %78 ], [ 0, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #5
  %52 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %53 = load i64, ptr %52, align 8, !tbaa !11
  store i64 %53, ptr %9, align 8, !tbaa !5
  %54 = invoke noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %55 unwind label %57

55:                                               ; preds = %.lr.ph30
  %56 = icmp eq i64 %54, 0
  br i1 %56, label %78, label %59

57:                                               ; preds = %.lr.ph30
  %58 = landingpad { ptr, i32 }
          cleanup
  br label %82

59:                                               ; preds = %55
  %60 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %61 = getelementptr inbounds i8, ptr %60, i64 8
  %62 = load i64, ptr %61, align 8, !tbaa !13
  %63 = load i64, ptr %2, align 8, !tbaa !5
  %.not = icmp eq i64 %63, 0
  br i1 %.not, label %72, label %64

64:                                               ; preds = %59
  %65 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %66 unwind label %70

66:                                               ; preds = %64
  %67 = load i64, ptr %65, align 8, !tbaa !5
  %68 = mul nsw i64 %67, %62
  %69 = add nsw i64 %68, %.01328
  br label %78

70:                                               ; preds = %64
  %71 = landingpad { ptr, i32 }
          cleanup
  br label %82

72:                                               ; preds = %59
  %73 = icmp sgt i64 %62, 0
  br i1 %73, label %74, label %78

74:                                               ; preds = %72
  %75 = add nsw i64 %62, -1
  %76 = mul nsw i64 %75, %62
  %77 = add nsw i64 %76, %.01328
  br label %78

78:                                               ; preds = %66, %74, %72, %55
  %.2 = phi i64 [ %.01328, %55 ], [ %69, %66 ], [ %77, %74 ], [ %.01328, %72 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  %79 = call ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %7, i32 noundef 0) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %80 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  store ptr %80, ptr %8, align 8
  %81 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(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 %81, label %.lr.ph30, label %._crit_edge31.loopexit, !llvm.loop !14

82:                                               ; preds = %70, %57
  %.pn = phi { ptr, i32 } [ %71, %70 ], [ %58, %57 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  br label %83

83:                                               ; preds = %82, %49
  %.pn22.pn = phi { ptr, i32 } [ %.pn22, %49 ], [ %.pn, %82 ]
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %4) #5
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn22.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 @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(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) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(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 @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3 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 void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTSSt4pairIKxxE", !6, i64 0, !6, i64 8}
!13 = !{!12, !6, i64 8}
!14 = distinct !{!14, !10}


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