; LLVM IR from abeaumont/competitive-programming :: codeforces/acmsguru (275)

; 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 }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i64, align 8
  %14 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #7
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #7
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %17, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %18 unwind label %24

18:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %34, %18
  %20 = load i32, ptr %7, align 4, !tbaa !5
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %28, label %23

23:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %41

24:                                               ; preds = %0
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %5, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  br label %152

28:                                               ; preds = %19
  %29 = load i32, ptr %7, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %30) #7
  %32 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %31)
          to label %33 unwind label %37

33:                                               ; preds = %28
  br label %34

34:                                               ; preds = %33
  %35 = load i32, ptr %7, align 4, !tbaa !5
  %36 = add nsw i32 %35, 1
  store i32 %36, ptr %7, align 4, !tbaa !5
  br label %19, !llvm.loop !9

37:                                               ; preds = %28
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %5, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %151

41:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #7
  store i64 1152921504606846976, ptr %8, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #7
  store i64 0, ptr %9, align 8, !tbaa !11
  br label %42

42:                                               ; preds = %121, %41
  %43 = load i64, ptr %8, align 8, !tbaa !11
  %44 = icmp sgt i64 %43, 0
  br i1 %44, label %46, label %45

45:                                               ; preds = %42
  store i32 5, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  br label %124

46:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  %47 = load i64, ptr %9, align 8, !tbaa !11
  %48 = trunc i64 %47 to i32
  store i32 %48, ptr %11, align 4, !tbaa !5
  br label %49

49:                                               ; preds = %64, %46
  %50 = load i32, ptr %11, align 4, !tbaa !5
  %51 = load i32, ptr %2, align 4, !tbaa !5
  %52 = icmp slt i32 %50, %51
  br i1 %52, label %53, label %62

53:                                               ; preds = %49
  %54 = load i32, ptr %11, align 4, !tbaa !5
  %55 = sext i32 %54 to i64
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %55) #7
  %57 = load i64, ptr %56, align 8, !tbaa !11
  %58 = load i64, ptr %8, align 8, !tbaa !11
  %59 = and i64 %57, %58
  %60 = icmp ne i64 %59, 0
  %61 = xor i1 %60, true
  br label %62

62:                                               ; preds = %53, %49
  %63 = phi i1 [ false, %49 ], [ %61, %53 ]
  br i1 %63, label %64, label %67

64:                                               ; preds = %62
  %65 = load i32, ptr %11, align 4, !tbaa !5
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %11, align 4, !tbaa !5
  br label %49, !llvm.loop !13

67:                                               ; preds = %62
  %68 = load i32, ptr %11, align 4, !tbaa !5
  %69 = load i32, ptr %2, align 4, !tbaa !5
  %70 = icmp eq i32 %68, %69
  br i1 %70, label %71, label %72

71:                                               ; preds = %67
  store i32 7, ptr %10, align 4
  br label %118

72:                                               ; preds = %67
  %73 = load i32, ptr %11, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = load i64, ptr %9, align 8, !tbaa !11
  %76 = icmp sgt i64 %74, %75
  br i1 %76, label %77, label %83

77:                                               ; preds = %72
  %78 = load i64, ptr %9, align 8, !tbaa !11
  %79 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %78) #7
  %80 = load i32, ptr %11, align 4, !tbaa !5
  %81 = sext i32 %80 to i64
  %82 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %81) #7
  call void @_ZSt4swapIxENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 8 dereferenceable(8) %79, ptr noundef nonnull align 8 dereferenceable(8) %82) #7
  br label %83

83:                                               ; preds = %77, %72
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %84

84:                                               ; preds = %112, %83
  %85 = load i32, ptr %12, align 4, !tbaa !5
  %86 = load i32, ptr %2, align 4, !tbaa !5
  %87 = icmp slt i32 %85, %86
  br i1 %87, label %89, label %88

88:                                               ; preds = %84
  store i32 10, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %115

89:                                               ; preds = %84
  %90 = load i32, ptr %12, align 4, !tbaa !5
  %91 = sext i32 %90 to i64
  %92 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %91) #7
  %93 = load i64, ptr %92, align 8, !tbaa !11
  %94 = load i64, ptr %8, align 8, !tbaa !11
  %95 = and i64 %93, %94
  %96 = icmp ne i64 %95, 0
  br i1 %96, label %97, label %111

97:                                               ; preds = %89
  %98 = load i64, ptr %9, align 8, !tbaa !11
  %99 = load i32, ptr %12, align 4, !tbaa !5
  %100 = sext i32 %99 to i64
  %101 = icmp ne i64 %98, %100
  br i1 %101, label %102, label %111

102:                                              ; preds = %97
  %103 = load i64, ptr %9, align 8, !tbaa !11
  %104 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %103) #7
  %105 = load i64, ptr %104, align 8, !tbaa !11
  %106 = load i32, ptr %12, align 4, !tbaa !5
  %107 = sext i32 %106 to i64
  %108 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %107) #7
  %109 = load i64, ptr %108, align 8, !tbaa !11
  %110 = xor i64 %109, %105
  store i64 %110, ptr %108, align 8, !tbaa !11
  br label %111

111:                                              ; preds = %102, %97, %89
  br label %112

112:                                              ; preds = %111
  %113 = load i32, ptr %12, align 4, !tbaa !5
  %114 = add nsw i32 %113, 1
  store i32 %114, ptr %12, align 4, !tbaa !5
  br label %84, !llvm.loop !14

115:                                              ; preds = %88
  %116 = load i64, ptr %9, align 8, !tbaa !11
  %117 = add nsw i64 %116, 1
  store i64 %117, ptr %9, align 8, !tbaa !11
  store i32 0, ptr %10, align 4
  br label %118

118:                                              ; preds = %115, %71
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  %119 = load i32, ptr %10, align 4
  switch i32 %119, label %158 [
    i32 0, label %120
    i32 7, label %121
  ]

120:                                              ; preds = %118
  br label %121

121:                                              ; preds = %120, %118
  %122 = load i64, ptr %8, align 8, !tbaa !11
  %123 = sdiv i64 %122, 2
  store i64 %123, ptr %8, align 8, !tbaa !11
  br label %42, !llvm.loop !15

124:                                              ; preds = %45
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #7
  store i64 0, ptr %13, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  store i32 0, ptr %14, align 4, !tbaa !5
  br label %125

125:                                              ; preds = %137, %124
  %126 = load i32, ptr %14, align 4, !tbaa !5
  %127 = load i32, ptr %2, align 4, !tbaa !5
  %128 = icmp slt i32 %126, %127
  br i1 %128, label %130, label %129

129:                                              ; preds = %125
  store i32 13, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %140

130:                                              ; preds = %125
  %131 = load i32, ptr %14, align 4, !tbaa !5
  %132 = sext i32 %131 to i64
  %133 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %132) #7
  %134 = load i64, ptr %133, align 8, !tbaa !11
  %135 = load i64, ptr %13, align 8, !tbaa !11
  %136 = xor i64 %135, %134
  store i64 %136, ptr %13, align 8, !tbaa !11
  br label %137

137:                                              ; preds = %130
  %138 = load i32, ptr %14, align 4, !tbaa !5
  %139 = add nsw i32 %138, 1
  store i32 %139, ptr %14, align 4, !tbaa !5
  br label %125, !llvm.loop !16

140:                                              ; preds = %129
  %141 = load i64, ptr %13, align 8, !tbaa !11
  %142 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %141)
          to label %143 unwind label %147

143:                                              ; preds = %140
  %144 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %142, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %145 unwind label %147

145:                                              ; preds = %143
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %146 = load i32, ptr %1, align 4
  ret i32 %146

147:                                              ; preds = %143, %140
  %148 = landingpad { ptr, i32 }
          cleanup
  %149 = extractvalue { ptr, i32 } %148, 0
  store ptr %149, ptr %5, align 8
  %150 = extractvalue { ptr, i32 } %148, 1
  store i32 %150, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  br label %151

151:                                              ; preds = %147, %37
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  br label %152

152:                                              ; preds = %151, %24
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %153

153:                                              ; preds = %152
  %154 = load ptr, ptr %5, align 8
  %155 = load i32, ptr %6, align 4
  %156 = insertvalue { ptr, i32 } poison, ptr %154, 0
  %157 = insertvalue { ptr, i32 } %156, i32 %155, 1
  resume { ptr, i32 } %157

158:                                              ; preds = %118
  unreachable
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #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 #4 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare 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 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 nounwind uwtable
declare dso_local void @_ZSt4swapIxENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; 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)) #6

; 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 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 = { inlinehint 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 #6 = { 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 #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !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 norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  %4 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #7
  %5 = load i32, ptr %1, align 4, !tbaa !5
  %6 = sext i32 %5 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #7
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %6, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %7 unwind label %10

7:                                                ; preds = %0
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %.preheader48.preheader

.preheader48.preheader:                           ; preds = %14, %7
  %.ph82 = phi i32 [ %8, %7 ], [ %15, %14 ]
  br label %.preheader48

10:                                               ; preds = %0
  %11 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  br label %76

.lr.ph:                                           ; preds = %7, %14
  %indvars.iv = phi i64 [ %indvars.iv.next, %14 ], [ 0, %7 ]
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #7
  %13 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %12)
          to label %14 unwind label %18

14:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %15 = load i32, ptr %1, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = icmp slt i64 %indvars.iv.next, %16
  br i1 %17, label %.lr.ph, label %.preheader48.preheader, !llvm.loop !9

18:                                               ; preds = %.lr.ph
  %19 = landingpad { ptr, i32 }
          cleanup
  br label %75

.preheader:                                       ; preds = %59
  %20 = icmp sgt i32 %60, 0
  br i1 %20, label %.lr.ph60, label %._crit_edge61

.preheader48:                                     ; preds = %.preheader48.preheader, %59
  %21 = phi i32 [ %60, %59 ], [ %.ph82, %.preheader48.preheader ]
  %22 = phi i32 [ %61, %59 ], [ %.ph82, %.preheader48.preheader ]
  %.03457 = phi i64 [ %.1, %59 ], [ 0, %.preheader48.preheader ]
  %.03556 = phi i64 [ %62, %59 ], [ 1152921504606846976, %.preheader48.preheader ]
  %23 = trunc i64 %.03457 to i32
  %24 = icmp sgt i32 %22, %23
  br i1 %24, label %.lr.ph51.preheader, label %.critedge

.lr.ph51.preheader:                               ; preds = %.preheader48
  %sext = shl i64 %.03457, 32
  %25 = ashr exact i64 %sext, 32
  br label %.lr.ph51

.lr.ph51:                                         ; preds = %.lr.ph51.preheader, %29
  %indvars.iv64 = phi i64 [ %25, %.lr.ph51.preheader ], [ %indvars.iv.next65, %29 ]
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv64) #7
  %27 = load i64, ptr %26, align 8, !tbaa !11
  %28 = and i64 %27, %.03556
  %.not43 = icmp eq i64 %28, 0
  %.pre.pre = load i32, ptr %1, align 4, !tbaa !5
  br i1 %.not43, label %29, label %.critedge.loopexit

29:                                               ; preds = %.lr.ph51
  %indvars.iv.next65 = add nsw i64 %indvars.iv64, 1
  %30 = sext i32 %.pre.pre to i64
  %31 = icmp slt i64 %indvars.iv.next65, %30
  br i1 %31, label %.lr.ph51, label %.critedge.loopexit, !llvm.loop !13

.critedge.loopexit:                               ; preds = %29, %.lr.ph51
  %.033.lcssa.ph.in = phi i64 [ %indvars.iv64, %.lr.ph51 ], [ %indvars.iv.next65, %29 ]
  %.033.lcssa.ph = trunc i64 %.033.lcssa.ph.in to i32
  br label %.critedge

.critedge:                                        ; preds = %.critedge.loopexit, %.preheader48
  %32 = phi i32 [ %21, %.preheader48 ], [ %.pre.pre, %.critedge.loopexit ]
  %33 = phi i32 [ %22, %.preheader48 ], [ %.pre.pre, %.critedge.loopexit ]
  %.033.lcssa = phi i32 [ %23, %.preheader48 ], [ %.033.lcssa.ph, %.critedge.loopexit ]
  %34 = icmp eq i32 %.033.lcssa, %33
  br i1 %34, label %59, label %35

35:                                               ; preds = %.critedge
  %36 = sext i32 %.033.lcssa to i64
  %37 = icmp slt i64 %.03457, %36
  br i1 %37, label %38, label %41

38:                                               ; preds = %35
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.03457) #7
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %36) #7
  call void @_ZSt4swapIxENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 8 dereferenceable(8) %39, ptr noundef nonnull align 8 dereferenceable(8) %40) #7
  %.pre75 = load i32, ptr %1, align 4, !tbaa !5
  br label %41

41:                                               ; preds = %38, %35
  %42 = phi i32 [ %.pre75, %38 ], [ %32, %35 ]
  %43 = icmp sgt i32 %42, 0
  br i1 %43, label %.lr.ph55, label %._crit_edge

._crit_edge:                                      ; preds = %55, %41
  %44 = phi i32 [ %42, %41 ], [ %56, %55 ]
  %45 = add nsw i64 %.03457, 1
  br label %59

.lr.ph55:                                         ; preds = %41, %55
  %indvars.iv67 = phi i64 [ %indvars.iv.next68, %55 ], [ 0, %41 ]
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv67) #7
  %47 = load i64, ptr %46, align 8, !tbaa !11
  %48 = and i64 %47, %.03556
  %.not44 = icmp eq i64 %48, 0
  %.not45 = icmp eq i64 %.03457, %indvars.iv67
  %or.cond = or i1 %.not44, %.not45
  br i1 %or.cond, label %55, label %49

49:                                               ; preds = %.lr.ph55
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.03457) #7
  %51 = load i64, ptr %50, align 8, !tbaa !11
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv67) #7
  %53 = load i64, ptr %52, align 8, !tbaa !11
  %54 = xor i64 %53, %51
  store i64 %54, ptr %52, align 8, !tbaa !11
  br label %55

55:                                               ; preds = %.lr.ph55, %49
  %indvars.iv.next68 = add nuw nsw i64 %indvars.iv67, 1
  %56 = load i32, ptr %1, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = icmp slt i64 %indvars.iv.next68, %57
  br i1 %58, label %.lr.ph55, label %._crit_edge, !llvm.loop !14

59:                                               ; preds = %.critedge, %._crit_edge
  %60 = phi i32 [ %44, %._crit_edge ], [ %32, %.critedge ]
  %61 = phi i32 [ %44, %._crit_edge ], [ %33, %.critedge ]
  %.1 = phi i64 [ %45, %._crit_edge ], [ %.03457, %.critedge ]
  %62 = lshr i64 %.03556, 1
  %.not = icmp ult i64 %.03556, 2
  br i1 %.not, label %.preheader, label %.preheader48, !llvm.loop !15

._crit_edge61:                                    ; preds = %.lr.ph60, %.preheader
  %.031.lcssa = phi i64 [ 0, %.preheader ], [ %66, %.lr.ph60 ]
  %63 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.031.lcssa)
          to label %70 unwind label %73

.lr.ph60:                                         ; preds = %.preheader, %.lr.ph60
  %indvars.iv71 = phi i64 [ %indvars.iv.next72, %.lr.ph60 ], [ 0, %.preheader ]
  %.03158 = phi i64 [ %66, %.lr.ph60 ], [ 0, %.preheader ]
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv71) #7
  %65 = load i64, ptr %64, align 8, !tbaa !11
  %66 = xor i64 %65, %.03158
  %indvars.iv.next72 = add nuw nsw i64 %indvars.iv71, 1
  %67 = load i32, ptr %1, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = icmp slt i64 %indvars.iv.next72, %68
  br i1 %69, label %.lr.ph60, label %._crit_edge61, !llvm.loop !16

70:                                               ; preds = %._crit_edge61
  %71 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %63, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %72 unwind label %73

72:                                               ; preds = %70
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

73:                                               ; preds = %70, %._crit_edge61
  %74 = landingpad { ptr, i32 }
          cleanup
  br label %75

75:                                               ; preds = %73, %18
  %.pn = phi { ptr, i32 } [ %19, %18 ], [ %74, %73 ]
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %76

76:                                               ; preds = %75, %10
  %.pn.pn = phi { ptr, i32 } [ %.pn, %75 ], [ %11, %10 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn
}

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

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 #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 #4 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare 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 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 nounwind uwtable
declare dso_local void @_ZSt4swapIxENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; 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)) #6

; 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 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 = { "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 = { inlinehint 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 #6 = { 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 #7 = { nounwind }

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

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


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