; LLVM IR from Tunghohin/Competitive_Coding :: Codeforces/cf219_D.ll (Z5solvev)

; 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.Tree = type <{ [400020 x %"struct.Tree<long long>::edge"], [200010 x i32], i32, [4 x i8] }>
%"struct.Tree<long long>::edge" = type { i32, i32, i64 }
%"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<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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@n = external dso_local global i32, align 4
@dp = external dso_local global [200010 x i32], align 16
@tr = external dso_local global %class.Tree, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca i32, align 4
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #6
  store i32 1, ptr %1, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %24, %0
  %15 = load i32, ptr %1, align 4, !tbaa !5
  %16 = load i32, ptr @n, align 4, !tbaa !5
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %19, label %18

18:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  br label %27

19:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %20 = 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)
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = load i32, ptr %3, align 4, !tbaa !5
  call void @_ZN4TreeIxE8add_edgeEii(ptr noundef nonnull align 8 dereferenceable(7200364) @tr, i32 noundef %22, i32 noundef %23)
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %24

24:                                               ; preds = %19
  %25 = load i32, ptr %1, align 4, !tbaa !5
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %1, align 4, !tbaa !5
  br label %14, !llvm.loop !9

27:                                               ; preds = %18
  call void @_ZN4TreeIxE5dfs_1Eii(ptr noundef nonnull align 8 dereferenceable(7200364) @tr, i32 noundef 1, i32 noundef 0)
  call void @_ZN4TreeIxE5dfs_2Eii(ptr noundef nonnull align 8 dereferenceable(7200364) @tr, i32 noundef 1, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 1061109567, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %28

28:                                               ; preds = %61, %27
  %29 = load i32, ptr %6, align 4, !tbaa !5
  %30 = load i32, ptr @n, align 4, !tbaa !5
  %31 = icmp sle i32 %29, %30
  br i1 %31, label %33, label %32

32:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %64

33:                                               ; preds = %28
  %34 = load i32, ptr %6, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [200010 x i32], ptr @dp, i64 0, i64 %35
  %37 = load i32, ptr %36, align 4, !tbaa !5
  %38 = load i32, ptr %4, align 4, !tbaa !5
  %39 = icmp slt i32 %37, %38
  br i1 %39, label %40, label %50

40:                                               ; preds = %33
  %41 = load i32, ptr %6, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds [200010 x i32], ptr @dp, i64 0, i64 %42
  %44 = load i32, ptr %43, align 4, !tbaa !5
  store i32 %44, ptr %4, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %45 unwind label %46

45:                                               ; preds = %40
  br label %60

46:                                               ; preds = %57, %40
  %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 4, ptr %6) #6
  br label %100

50:                                               ; preds = %33
  %51 = load i32, ptr %6, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [200010 x i32], ptr @dp, i64 0, i64 %52
  %54 = load i32, ptr %53, align 4, !tbaa !5
  %55 = load i32, ptr %4, align 4, !tbaa !5
  %56 = icmp eq i32 %54, %55
  br i1 %56, label %57, label %59

57:                                               ; preds = %50
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %58 unwind label %46

58:                                               ; preds = %57
  br label %59

59:                                               ; preds = %58, %50
  br label %60

60:                                               ; preds = %59, %45
  br label %61

61:                                               ; preds = %60
  %62 = load i32, ptr %6, align 4, !tbaa !5
  %63 = add nsw i32 %62, 1
  store i32 %63, ptr %6, align 4, !tbaa !5
  br label %28, !llvm.loop !11

64:                                               ; preds = %32
  %65 = load i32, ptr %4, align 4, !tbaa !5
  %66 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %65)
          to label %67 unwind label %79

67:                                               ; preds = %64
  %68 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %66, i8 noundef signext 10)
          to label %69 unwind label %79

69:                                               ; preds = %67
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store ptr %5, ptr %9, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %70 = load ptr, ptr %9, align 8, !tbaa !12
  %71 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %70) #6
  %72 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %71, ptr %72, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %73 = load ptr, ptr %9, align 8, !tbaa !12
  %74 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %73) #6
  %75 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %74, ptr %75, align 8
  br label %76

76:                                               ; preds = %91, %69
  %77 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  br i1 %77, label %83, label %78

78:                                               ; preds = %76
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %97

79:                                               ; preds = %97, %67, %64
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %7, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %8, align 4
  br label %100

83:                                               ; preds = %76
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  %84 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  %85 = load i32, ptr %84, align 4, !tbaa !5
  store i32 %85, ptr %12, align 4, !tbaa !5
  %86 = load i32, ptr %12, align 4, !tbaa !5
  %87 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %86)
          to label %88 unwind label %93

88:                                               ; preds = %83
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %87, i8 noundef signext 32)
          to label %90 unwind label %93

90:                                               ; preds = %88
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %91

91:                                               ; preds = %90
  %92 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  br label %76

93:                                               ; preds = %88, %83
  %94 = landingpad { ptr, i32 }
          cleanup
  %95 = extractvalue { ptr, i32 } %94, 0
  store ptr %95, ptr %7, align 8
  %96 = extractvalue { ptr, i32 } %94, 1
  store i32 %96, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %100

97:                                               ; preds = %78
  %98 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext 10)
          to label %99 unwind label %79

99:                                               ; preds = %97
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  ret void

100:                                              ; preds = %93, %79, %46
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %101

101:                                              ; preds = %100
  %102 = load ptr, ptr %7, align 8
  %103 = load i32, ptr %8, align 4
  %104 = insertvalue { ptr, i32 } poison, ptr %102, 0
  %105 = insertvalue { ptr, i32 } %104, i32 %103, 1
  resume { ptr, i32 } %105
}

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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4TreeIxE8add_edgeEii(ptr noundef nonnull align 8 dereferenceable(7200364), i32 noundef, i32 noundef) #3 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4TreeIxE5dfs_1Eii(ptr noundef nonnull align 8 dereferenceable(7200364), i32 noundef, i32 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4TreeIxE5dfs_2Eii(ptr noundef nonnull align 8 dereferenceable(7200364), i32 noundef, i32 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 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)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #4

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 = distinct !{!11, !10}
!12 = !{!13, !13, i64 0}
!13 = !{!"any pointer", !7, i64 0}


; 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.Tree = type <{ [400020 x %"struct.Tree<long long>::edge"], [200010 x i32], i32, [4 x i8] }>
%"struct.Tree<long long>::edge" = type { i32, i32, i64 }
%"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<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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@n = external dso_local global i32, align 4
@dp = external dso_local local_unnamed_addr global [200010 x i32], align 16
@tr = external dso_local global %class.Tree, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #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 i32, align 4
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %8 = load i32, ptr @n, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 1
  br i1 %9, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @_ZN4TreeIxE5dfs_1Eii(ptr noundef nonnull align 8 dereferenceable(7200364) @tr, i32 noundef 1, i32 noundef 0)
  call void @_ZN4TreeIxE5dfs_2Eii(ptr noundef nonnull align 8 dereferenceable(7200364) @tr, i32 noundef 1, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  store i32 1, ptr %4, align 4, !tbaa !5
  %10 = load i32, ptr @n, align 4, !tbaa !5
  %.not18 = icmp slt i32 %10, 1
  br i1 %.not18, label %._crit_edge23, label %.lr.ph22

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.017 = phi i32 [ %15, %.lr.ph ], [ 1, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %11 = 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)
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %13 = load i32, ptr %1, align 4, !tbaa !5
  %14 = load i32, ptr %2, align 4, !tbaa !5
  call void @_ZN4TreeIxE8add_edgeEii(ptr noundef nonnull align 8 dereferenceable(7200364) @tr, i32 noundef %13, i32 noundef %14)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  %15 = add nuw nsw i32 %.017, 1
  %16 = load i32, ptr @n, align 4, !tbaa !5
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge23:                                    ; preds = %29, %._crit_edge
  %.09.lcssa = phi i32 [ 1061109567, %._crit_edge ], [ %.1, %29 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  %18 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.09.lcssa)
          to label %33 unwind label %40

.lr.ph22:                                         ; preds = %._crit_edge, %29
  %.0920 = phi i32 [ %.1, %29 ], [ 1061109567, %._crit_edge ]
  %storemerge19 = phi i32 [ %31, %29 ], [ 1, %._crit_edge ]
  %19 = sext i32 %storemerge19 to i64
  %20 = getelementptr inbounds [200010 x i32], ptr @dp, i64 0, i64 %19
  %21 = load i32, ptr %20, align 4, !tbaa !5
  %22 = icmp slt i32 %21, %.0920
  br i1 %22, label %23, label %26

23:                                               ; preds = %.lr.ph22
  call void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %29 unwind label %24

24:                                               ; preds = %28, %23
  %25 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %53

26:                                               ; preds = %.lr.ph22
  %27 = icmp eq i32 %21, %.0920
  br i1 %27, label %28, label %29

28:                                               ; preds = %26
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %29 unwind label %24

29:                                               ; preds = %23, %28, %26
  %.1 = phi i32 [ %21, %23 ], [ %.0920, %28 ], [ %.0920, %26 ]
  %30 = load i32, ptr %4, align 4, !tbaa !5
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %4, align 4, !tbaa !5
  %32 = load i32, ptr @n, align 4, !tbaa !5
  %.not.not = icmp slt i32 %30, %32
  br i1 %.not.not, label %.lr.ph22, label %._crit_edge23, !llvm.loop !11

33:                                               ; preds = %._crit_edge23
  %34 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %18, i8 noundef signext 10)
          to label %35 unwind label %40

35:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %36 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  store ptr %36, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %37 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  store ptr %37, ptr %6, align 8
  %38 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  br i1 %38, label %.lr.ph25, label %._crit_edge26

._crit_edge26:                                    ; preds = %47, %35
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext 10)
          to label %52 unwind label %40

40:                                               ; preds = %._crit_edge26, %33, %._crit_edge23
  %41 = landingpad { ptr, i32 }
          cleanup
  br label %53

.lr.ph25:                                         ; preds = %35, %47
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #6
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %43)
          to label %45 unwind label %50

45:                                               ; preds = %.lr.ph25
  %46 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %44, i8 noundef signext 32)
          to label %47 unwind label %50

47:                                               ; preds = %45
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #6
  %49 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  br i1 %49, label %.lr.ph25, label %._crit_edge26

50:                                               ; preds = %45, %.lr.ph25
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br label %53

52:                                               ; preds = %._crit_edge26
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  ret void

53:                                               ; preds = %50, %40, %24
  %.pn = phi { ptr, i32 } [ %25, %24 ], [ %51, %50 ], [ %41, %40 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  resume { ptr, i32 } %.pn
}

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4TreeIxE8add_edgeEii(ptr noundef nonnull align 8 dereferenceable(7200364), i32 noundef, i32 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4TreeIxE5dfs_1Eii(ptr noundef nonnull align 8 dereferenceable(7200364), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4TreeIxE5dfs_2Eii(ptr noundef nonnull align 8 dereferenceable(7200364), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 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 #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #4

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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

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


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