; LLVM IR from abhisheknaiidu/dsa :: Other/SPOJ (aggresive-cows)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z14abhisheknaiiduv() #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca i64, align 8
  %17 = alloca i64, align 8
  %18 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @_Z14abhisheknaiiduv()
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  br label %20

20:                                               ; preds = %125, %0
  %21 = load i64, ptr %2, align 8, !tbaa !5
  %22 = add nsw i64 %21, -1
  store i64 %22, ptr %2, align 8, !tbaa !5
  %23 = icmp ne i64 %21, 0
  br i1 %23, label %24, label %132

24:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %25, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #5
  %27 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %27, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %28 unwind label %34

28:                                               ; preds = %24
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  store i64 0, ptr %9, align 8, !tbaa !5
  br label %29

29:                                               ; preds = %43, %28
  %30 = load i64, ptr %9, align 8, !tbaa !5
  %31 = load i64, ptr %3, align 8, !tbaa !5
  %32 = icmp slt i64 %30, %31
  br i1 %32, label %38, label %33

33:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %50

34:                                               ; preds = %24
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %7, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %8, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #5
  br label %131

38:                                               ; preds = %29
  %39 = load i64, ptr %9, align 8, !tbaa !5
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %39) #5
  %41 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %40)
          to label %42 unwind label %46

42:                                               ; preds = %38
  br label %43

43:                                               ; preds = %42
  %44 = load i64, ptr %9, align 8, !tbaa !5
  %45 = add nsw i64 %44, 1
  store i64 %45, ptr %9, align 8, !tbaa !5
  br label %29, !llvm.loop !9

46:                                               ; preds = %38
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %7, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %130

50:                                               ; preds = %33
  %51 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %52 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %51, ptr %52, align 8
  %53 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %54 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %53, ptr %54, align 8
  %55 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  %56 = load ptr, ptr %55, align 8
  %57 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  %58 = load ptr, ptr %57, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr %56, ptr %58)
          to label %59 unwind label %86

59:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  store i64 0, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  %60 = load i64, ptr %3, align 8, !tbaa !5
  %61 = sub nsw i64 %60, 1
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %61) #5
  %63 = load i64, ptr %62, align 8, !tbaa !5
  store i64 %63, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  br label %64

64:                                               ; preds = %119, %59
  %65 = load i64, ptr %12, align 8, !tbaa !5
  %66 = load i64, ptr %13, align 8, !tbaa !5
  %67 = icmp sle i64 %65, %66
  br i1 %67, label %68, label %120

68:                                               ; preds = %64
  %69 = load i64, ptr %12, align 8, !tbaa !5
  %70 = load i64, ptr %13, align 8, !tbaa !5
  %71 = load i64, ptr %12, align 8, !tbaa !5
  %72 = sub nsw i64 %70, %71
  %73 = sdiv i64 %72, 2
  %74 = add nsw i64 %69, %73
  store i64 %74, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  store i64 0, ptr %16, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  store i64 1, ptr %17, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #5
  store i64 1, ptr %18, align 8, !tbaa !5
  br label %75

75:                                               ; preds = %105, %68
  %76 = load i64, ptr %18, align 8, !tbaa !5
  %77 = load i64, ptr %3, align 8, !tbaa !5
  %78 = icmp slt i64 %76, %77
  br i1 %78, label %79, label %83

79:                                               ; preds = %75
  %80 = load i64, ptr %17, align 8, !tbaa !5
  %81 = load i64, ptr %4, align 8, !tbaa !5
  %82 = icmp slt i64 %80, %81
  br label %83

83:                                               ; preds = %79, %75
  %84 = phi i1 [ false, %75 ], [ %82, %79 ]
  br i1 %84, label %90, label %85

85:                                               ; preds = %83
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  br label %108

86:                                               ; preds = %50
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %7, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %8, align 4
  br label %130

90:                                               ; preds = %83
  %91 = load i64, ptr %18, align 8, !tbaa !5
  %92 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %91) #5
  %93 = load i64, ptr %92, align 8, !tbaa !5
  %94 = load i64, ptr %16, align 8, !tbaa !5
  %95 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %94) #5
  %96 = load i64, ptr %95, align 8, !tbaa !5
  %97 = sub nsw i64 %93, %96
  %98 = load i64, ptr %14, align 8, !tbaa !5
  %99 = icmp sge i64 %97, %98
  br i1 %99, label %100, label %104

100:                                              ; preds = %90
  %101 = load i64, ptr %18, align 8, !tbaa !5
  store i64 %101, ptr %16, align 8, !tbaa !5
  %102 = load i64, ptr %17, align 8, !tbaa !5
  %103 = add nsw i64 %102, 1
  store i64 %103, ptr %17, align 8, !tbaa !5
  br label %104

104:                                              ; preds = %100, %90
  br label %105

105:                                              ; preds = %104
  %106 = load i64, ptr %18, align 8, !tbaa !5
  %107 = add nsw i64 %106, 1
  store i64 %107, ptr %18, align 8, !tbaa !5
  br label %75, !llvm.loop !11

108:                                              ; preds = %85
  %109 = load i64, ptr %17, align 8, !tbaa !5
  %110 = load i64, ptr %4, align 8, !tbaa !5
  %111 = icmp sge i64 %109, %110
  br i1 %111, label %112, label %116

112:                                              ; preds = %108
  %113 = load i64, ptr %14, align 8, !tbaa !5
  store i64 %113, ptr %15, align 8, !tbaa !5
  %114 = load i64, ptr %14, align 8, !tbaa !5
  %115 = add nsw i64 %114, 1
  store i64 %115, ptr %12, align 8, !tbaa !5
  br label %119

116:                                              ; preds = %108
  %117 = load i64, ptr %14, align 8, !tbaa !5
  %118 = sub nsw i64 %117, 1
  store i64 %118, ptr %13, align 8, !tbaa !5
  br label %119

119:                                              ; preds = %116, %112
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  br label %64, !llvm.loop !12

120:                                              ; preds = %64
  %121 = load i64, ptr %15, align 8, !tbaa !5
  %122 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %121)
          to label %123 unwind label %126

123:                                              ; preds = %120
  %124 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %122, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %125 unwind label %126

125:                                              ; preds = %123
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  br label %20, !llvm.loop !13

126:                                              ; preds = %123, %120
  %127 = landingpad { ptr, i32 }
          cleanup
  %128 = extractvalue { ptr, i32 } %127, 0
  store ptr %128, ptr %7, align 8
  %129 = extractvalue { ptr, i32 } %127, 1
  store i32 %129, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %130

130:                                              ; preds = %126, %86, %46
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  br label %131

131:                                              ; preds = %130, %34
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, 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 %133

132:                                              ; preds = %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  ret i32 0

133:                                              ; preds = %131
  %134 = load ptr, ptr %7, align 8
  %135 = load i32, ptr %8, align 4
  %136 = insertvalue { ptr, i32 } poison, ptr %134, 0
  %137 = insertvalue { ptr, i32 } %136, i32 %135, 1
  resume { ptr, i32 } %137
}

; 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)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr, ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #1 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) #1 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)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #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 = { 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 #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 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z14abhisheknaiiduv() local_unnamed_addr #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  tail call void @_Z14abhisheknaiiduv()
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %7 = load i64, ptr %1, align 8, !tbaa !5
  %8 = add nsw i64 %7, -1
  store i64 %8, ptr %1, align 8, !tbaa !5
  %.not58 = icmp eq i64 %7, 0
  br i1 %.not58, label %._crit_edge62, label %.lr.ph61

.lr.ph61:                                         ; preds = %0, %61
  %.02659 = phi i64 [ %.127.lcssa, %61 ], [ undef, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %10 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #5
  %11 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %11, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %12 unwind label %17

12:                                               ; preds = %.lr.ph61
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  %13 = load i64, ptr %2, align 8, !tbaa !5
  %14 = icmp sgt i64 %13, 0
  br i1 %14, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %21, %12
  %15 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %16 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr %15, ptr %16)
          to label %27 unwind label %44

17:                                               ; preds = %.lr.ph61
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  br label %67

.lr.ph:                                           ; preds = %12, %21
  %.03643 = phi i64 [ %22, %21 ], [ 0, %12 ]
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.03643) #5
  %20 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %19)
          to label %21 unwind label %25

21:                                               ; preds = %.lr.ph
  %22 = add nuw nsw i64 %.03643, 1
  %23 = load i64, ptr %2, align 8, !tbaa !5
  %24 = icmp slt i64 %22, %23
  br i1 %24, label %.lr.ph, label %._crit_edge, !llvm.loop !9

25:                                               ; preds = %.lr.ph
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %66

27:                                               ; preds = %._crit_edge
  %28 = load i64, ptr %2, align 8, !tbaa !5
  %29 = add nsw i64 %28, -1
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %29) #5
  %31 = load i64, ptr %30, align 8, !tbaa !5
  %.not3750 = icmp slt i64 %31, 0
  br i1 %.not3750, label %._crit_edge56, label %.lr.ph55.preheader

.lr.ph55.preheader:                               ; preds = %27
  %.pre = load i64, ptr %2, align 8, !tbaa !5
  %.pre64 = load i64, ptr %3, align 8
  br label %.lr.ph55

.lr.ph55:                                         ; preds = %.lr.ph55.preheader, %._crit_edge49
  %32 = phi i64 [ %40, %._crit_edge49 ], [ %.pre64, %.lr.ph55.preheader ]
  %33 = phi i64 [ %41, %._crit_edge49 ], [ %.pre, %.lr.ph55.preheader ]
  %.12753 = phi i64 [ %.2, %._crit_edge49 ], [ %.02659, %.lr.ph55.preheader ]
  %.03052 = phi i64 [ %.131, %._crit_edge49 ], [ %31, %.lr.ph55.preheader ]
  %.03251 = phi i64 [ %.133, %._crit_edge49 ], [ 0, %.lr.ph55.preheader ]
  %34 = sub nsw i64 %.03052, %.03251
  %35 = sdiv i64 %34, 2
  %36 = add nsw i64 %35, %.03251
  %37 = icmp sgt i64 %33, 1
  %38 = icmp sgt i64 %32, 1
  %39 = select i1 %37, i1 %38, i1 false
  br i1 %39, label %.lr.ph48, label %._crit_edge49

._crit_edge49:                                    ; preds = %.lr.ph48, %.lr.ph55
  %40 = phi i64 [ %32, %.lr.ph55 ], [ %55, %.lr.ph48 ]
  %41 = phi i64 [ %33, %.lr.ph55 ], [ %53, %.lr.ph48 ]
  %.lcssa = phi i1 [ %38, %.lr.ph55 ], [ %56, %.lr.ph48 ]
  %42 = add nsw i64 %36, 1
  %43 = add nsw i64 %36, -1
  %.133 = select i1 %.lcssa, i64 %.03251, i64 %42
  %.131 = select i1 %.lcssa, i64 %43, i64 %.03052
  %.2 = select i1 %.lcssa, i64 %.12753, i64 %36
  %.not37 = icmp sgt i64 %.133, %.131
  br i1 %.not37, label %._crit_edge56, label %.lr.ph55, !llvm.loop !11

44:                                               ; preds = %._crit_edge
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %66

.lr.ph48:                                         ; preds = %.lr.ph55, %.lr.ph48
  %.046 = phi i64 [ %52, %.lr.ph48 ], [ 1, %.lr.ph55 ]
  %.02345 = phi i64 [ %spec.select42, %.lr.ph48 ], [ 1, %.lr.ph55 ]
  %.02444 = phi i64 [ %spec.select, %.lr.ph48 ], [ 0, %.lr.ph55 ]
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.046) #5
  %47 = load i64, ptr %46, align 8, !tbaa !5
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.02444) #5
  %49 = load i64, ptr %48, align 8, !tbaa !5
  %50 = sub nsw i64 %47, %49
  %.not39 = icmp sge i64 %50, %36
  %spec.select = select i1 %.not39, i64 %.046, i64 %.02444
  %51 = zext i1 %.not39 to i64
  %spec.select42 = add nuw nsw i64 %.02345, %51
  %52 = add nuw nsw i64 %.046, 1
  %53 = load i64, ptr %2, align 8, !tbaa !5
  %54 = icmp slt i64 %52, %53
  %55 = load i64, ptr %3, align 8
  %56 = icmp slt i64 %spec.select42, %55
  %57 = select i1 %54, i1 %56, i1 false
  br i1 %57, label %.lr.ph48, label %._crit_edge49, !llvm.loop !12

._crit_edge56:                                    ; preds = %._crit_edge49, %27
  %.127.lcssa = phi i64 [ %.02659, %27 ], [ %.2, %._crit_edge49 ]
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.127.lcssa)
          to label %59 unwind label %64

59:                                               ; preds = %._crit_edge56
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %58, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %61 unwind label %64

61:                                               ; preds = %59
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  %62 = load i64, ptr %1, align 8, !tbaa !5
  %63 = add nsw i64 %62, -1
  store i64 %63, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %62, 0
  br i1 %.not, label %._crit_edge62, label %.lr.ph61, !llvm.loop !13

64:                                               ; preds = %59, %._crit_edge56
  %65 = landingpad { ptr, i32 }
          cleanup
  br label %66

66:                                               ; preds = %64, %44, %25
  %.pn = phi { ptr, i32 } [ %26, %25 ], [ %65, %64 ], [ %45, %44 ]
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br label %67

67:                                               ; preds = %66, %17
  %.pn.pn = phi { ptr, i32 } [ %.pn, %66 ], [ %18, %17 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, 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 } %.pn.pn

._crit_edge62:                                    ; preds = %61, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0
}

; 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 #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #1 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 #1 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)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #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 = { 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 #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 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


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