; LLVM IR from xirc/cp-algorithm :: spoj/lcasq (main)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.LCA = type { i32, i32, %"class.std::vector.0", %"class.std::vector.0", %"class.std::vector" }

@adj = external dso_local global %"class.std::vector", align 8
@_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.0", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %struct.LCA, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %16 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %17 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %18 = getelementptr i8, ptr %17, i64 -24
  %19 = load i64, ptr %18, align 8
  %20 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %19
  %21 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %20, ptr noundef null)
  %22 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %23 = getelementptr i8, ptr %22, i64 -24
  %24 = load i64, ptr %23, align 8
  %25 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %24
  %26 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %25, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  %27 = 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)
  %28 = load i32, ptr %2, align 4, !tbaa !8
  %29 = sext i32 %28 to i64
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #8
  call void @llvm.memset.p0.i64(ptr align 8 %3, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #8
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) @adj, i64 noundef %29, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %30 unwind label %36

30:                                               ; preds = %0
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #8
  store i32 0, ptr %6, align 4, !tbaa !8
  br label %31

31:                                               ; preds = %59, %30
  %32 = load i32, ptr %6, align 4, !tbaa !8
  %33 = load i32, ptr %2, align 4, !tbaa !8
  %34 = icmp slt i32 %32, %33
  br i1 %34, label %40, label %35

35:                                               ; preds = %31
  store i32 2, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  br label %62

36:                                               ; preds = %0
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %4, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %5, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #8
  br label %97

40:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #8
  %41 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #8
  store i32 0, ptr %9, align 4, !tbaa !8
  br label %42

42:                                               ; preds = %55, %40
  %43 = load i32, ptr %9, align 4, !tbaa !8
  %44 = load i32, ptr %8, align 4, !tbaa !8
  %45 = icmp slt i32 %43, %44
  br i1 %45, label %47, label %46

46:                                               ; preds = %42
  store i32 5, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #8
  br label %58

47:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  %48 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %49 = load i32, ptr %6, align 4, !tbaa !8
  %50 = sext i32 %49 to i64
  %51 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @adj, i64 noundef %50) #8
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %51, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %52 = load i32, ptr %10, align 4, !tbaa !8
  %53 = sext i32 %52 to i64
  %54 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @adj, i64 noundef %53) #8
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %54, ptr noundef nonnull align 4 dereferenceable(4) %6)
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  br label %55

55:                                               ; preds = %47
  %56 = load i32, ptr %9, align 4, !tbaa !8
  %57 = add nsw i32 %56, 1
  store i32 %57, ptr %9, align 4, !tbaa !8
  br label %42, !llvm.loop !11

58:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  br label %59

59:                                               ; preds = %58
  %60 = load i32, ptr %6, align 4, !tbaa !8
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %6, align 4, !tbaa !8
  br label %31, !llvm.loop !13

62:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 80, ptr %11) #8
  call void @_ZN3LCAC2ERSt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 8 dereferenceable(80) %11, ptr noundef nonnull align 8 dereferenceable(24) @adj)
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #8
  %63 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %64 unwind label %70

64:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #8
  store i32 0, ptr %13, align 4, !tbaa !8
  br label %65

65:                                               ; preds = %87, %64
  %66 = load i32, ptr %13, align 4, !tbaa !8
  %67 = load i32, ptr %12, align 4, !tbaa !8
  %68 = icmp slt i32 %66, %67
  br i1 %68, label %74, label %69

69:                                               ; preds = %65
  store i32 8, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  br label %94

70:                                               ; preds = %62
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %4, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %5, align 4
  br label %96

74:                                               ; preds = %65
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #8
  %75 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %76 unwind label %90

76:                                               ; preds = %74
  %77 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %75, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %78 unwind label %90

78:                                               ; preds = %76
  %79 = load i32, ptr %14, align 4, !tbaa !8
  %80 = load i32, ptr %15, align 4, !tbaa !8
  %81 = invoke noundef i32 @_ZN3LCA5queryEii(ptr noundef nonnull align 8 dereferenceable(80) %11, i32 noundef %79, i32 noundef %80)
          to label %82 unwind label %90

82:                                               ; preds = %78
  %83 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %81)
          to label %84 unwind label %90

84:                                               ; preds = %82
  %85 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %83, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %86 unwind label %90

86:                                               ; preds = %84
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  br label %87

87:                                               ; preds = %86
  %88 = load i32, ptr %13, align 4, !tbaa !8
  %89 = add nsw i32 %88, 1
  store i32 %89, ptr %13, align 4, !tbaa !8
  br label %65, !llvm.loop !14

90:                                               ; preds = %84, %82, %78, %76, %74
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %4, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  br label %96

94:                                               ; preds = %69
  store i32 0, ptr %1, align 4
  store i32 1, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #8
  call void @_ZN3LCAD2Ev(ptr noundef nonnull align 8 dereferenceable(80) %11) #8
  call void @llvm.lifetime.end.p0(i64 80, ptr %11) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  %95 = load i32, ptr %1, align 4
  ret i32 %95

96:                                               ; preds = %90, %70
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #8
  call void @_ZN3LCAD2Ev(ptr noundef nonnull align 8 dereferenceable(80) %11) #8
  call void @llvm.lifetime.end.p0(i64 80, ptr %11) #8
  br label %97

97:                                               ; preds = %96, %36
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %98

98:                                               ; preds = %97
  %99 = load ptr, ptr %4, align 8
  %100 = load i32, ptr %5, align 4
  %101 = insertvalue { ptr, i32 } poison, ptr %99, 0
  %102 = insertvalue { ptr, i32 } %101, i32 %100, 1
  resume { ptr, i32 } %102
}

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

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

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3LCAC2ERSt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN3LCA5queryEii(ptr noundef nonnull align 8 dereferenceable(80), i32 noundef, i32 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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3LCAD2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #7 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { 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 #8 = { nounwind }

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

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


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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.LCA = type { i32, i32, %"class.std::vector.0", %"class.std::vector.0", %"class.std::vector" }

@adj = external dso_local global %"class.std::vector", align 8
@_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.0", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %struct.LCA, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %11 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %12 = getelementptr i8, ptr %11, i64 -24
  %13 = load i64, ptr %12, align 8
  %14 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %13
  %15 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %14, ptr noundef null)
  %16 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %17 = getelementptr i8, ptr %16, i64 -24
  %18 = load i64, ptr %17, align 8
  %19 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %18
  %20 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %19, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #8
  %21 = 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)
  %22 = load i32, ptr %1, align 4, !tbaa !8
  %23 = sext i32 %22 to i64
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %2, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) @adj, i64 noundef %23, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %24 unwind label %30

24:                                               ; preds = %0
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #8
  store i32 0, ptr %3, align 4, !tbaa !8
  %25 = load i32, ptr %1, align 4, !tbaa !8
  %26 = icmp sgt i32 %25, 0
  br i1 %26, label %.lr.ph14, label %._crit_edge15

._crit_edge15:                                    ; preds = %._crit_edge, %24
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #8
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %6) #8
  call void @_ZN3LCAC2ERSt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 8 dereferenceable(24) @adj)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #8
  %27 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %.preheader unwind label %49

.preheader:                                       ; preds = %._crit_edge15
  %28 = load i32, ptr %7, align 4, !tbaa !8
  %29 = icmp sgt i32 %28, 0
  br i1 %29, label %.lr.ph17, label %._crit_edge18

30:                                               ; preds = %0
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #8
  br label %69

.lr.ph14:                                         ; preds = %24, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #8
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %33 = load i32, ptr %4, align 4, !tbaa !8
  %34 = icmp sgt i32 %33, 0
  br i1 %34, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph14
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  %35 = load i32, ptr %3, align 4, !tbaa !8
  %36 = add nsw i32 %35, 1
  store i32 %36, ptr %3, align 4, !tbaa !8
  %37 = load i32, ptr %1, align 4, !tbaa !8
  %38 = icmp slt i32 %36, %37
  br i1 %38, label %.lr.ph14, label %._crit_edge15, !llvm.loop !11

.lr.ph:                                           ; preds = %.lr.ph14, %.lr.ph
  %.0612 = phi i32 [ %46, %.lr.ph ], [ 0, %.lr.ph14 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #8
  %39 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %40 = load i32, ptr %3, align 4, !tbaa !8
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @adj, i64 noundef %41) #8
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %42, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %43 = load i32, ptr %5, align 4, !tbaa !8
  %44 = sext i32 %43 to i64
  %45 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @adj, i64 noundef %44) #8
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %45, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #8
  %46 = add nuw nsw i32 %.0612, 1
  %47 = load i32, ptr %4, align 4, !tbaa !8
  %48 = icmp slt i32 %46, %47
  br i1 %48, label %.lr.ph, label %._crit_edge, !llvm.loop !13

._crit_edge18:                                    ; preds = %62, %.preheader
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #8
  call void @_ZN3LCAD2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #8
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %6) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  ret i32 0

49:                                               ; preds = %._crit_edge15
  %50 = landingpad { ptr, i32 }
          cleanup
  br label %68

.lr.ph17:                                         ; preds = %.preheader, %62
  %.016 = phi i32 [ %63, %62 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #8
  %51 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %52 unwind label %66

52:                                               ; preds = %.lr.ph17
  %53 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %51, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %54 unwind label %66

54:                                               ; preds = %52
  %55 = load i32, ptr %8, align 4, !tbaa !8
  %56 = load i32, ptr %9, align 4, !tbaa !8
  %57 = invoke noundef i32 @_ZN3LCA5queryEii(ptr noundef nonnull align 8 dereferenceable(80) %6, i32 noundef %55, i32 noundef %56)
          to label %58 unwind label %66

58:                                               ; preds = %54
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %57)
          to label %60 unwind label %66

60:                                               ; preds = %58
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %59, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %62 unwind label %66

62:                                               ; preds = %60
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #8
  %63 = add nuw nsw i32 %.016, 1
  %64 = load i32, ptr %7, align 4, !tbaa !8
  %65 = icmp slt i32 %63, %64
  br i1 %65, label %.lr.ph17, label %._crit_edge18, !llvm.loop !14

66:                                               ; preds = %60, %58, %54, %52, %.lr.ph17
  %67 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #8
  br label %68

68:                                               ; preds = %66, %49
  %.pn = phi { ptr, i32 } [ %67, %66 ], [ %50, %49 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #8
  call void @_ZN3LCAD2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #8
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %6) #8
  br label %69

69:                                               ; preds = %68, %30
  %.pn.pn = phi { ptr, i32 } [ %.pn, %68 ], [ %31, %30 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  resume { ptr, i32 } %.pn.pn
}

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

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

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3LCAC2ERSt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN3LCA5queryEii(ptr noundef nonnull align 8 dereferenceable(80), i32 noundef, i32 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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3LCAD2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #7 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { 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 #8 = { nounwind }

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

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


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