; LLVM IR from codemistic/Data-Structures-and-Algorithms :: CPP/graph_tree (dfs)

; 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_ostream" = type { ptr, %"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::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.Solution = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef, i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca [6 x %"class.std::vector"], align 16
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca %class.Solution, align 1
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca ptr, align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 144, ptr %2) #7
  %12 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i32 0, i32 0
  %13 = getelementptr inbounds %"class.std::vector", ptr %12, i64 6
  br label %14

14:                                               ; preds = %14, %0
  %15 = phi ptr [ %12, %0 ], [ %16, %14 ]
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #7
  %16 = getelementptr inbounds %"class.std::vector", ptr %15, i64 1
  %17 = icmp eq ptr %16, %13
  br i1 %17, label %18, label %14

18:                                               ; preds = %14
  %19 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i64 0, i64 0
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef %19, i32 noundef 1, i32 noundef 2)
          to label %20 unwind label %51

20:                                               ; preds = %18
  %21 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i64 0, i64 0
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef %21, i32 noundef 1, i32 noundef 3)
          to label %22 unwind label %51

22:                                               ; preds = %20
  %23 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i64 0, i64 0
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef %23, i32 noundef 1, i32 noundef 4)
          to label %24 unwind label %51

24:                                               ; preds = %22
  %25 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i64 0, i64 0
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef %25, i32 noundef 1, i32 noundef 5)
          to label %26 unwind label %51

26:                                               ; preds = %24
  %27 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i64 0, i64 0
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef %27, i32 noundef 2, i32 noundef 4)
          to label %28 unwind label %51

28:                                               ; preds = %26
  %29 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i64 0, i64 0
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef %29, i32 noundef 2, i32 noundef 1)
          to label %30 unwind label %51

30:                                               ; preds = %28
  %31 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i64 0, i64 0
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef %31, i32 noundef 3, i32 noundef 1)
          to label %32 unwind label %51

32:                                               ; preds = %30
  %33 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i64 0, i64 0
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef %33, i32 noundef 4, i32 noundef 1)
          to label %34 unwind label %51

34:                                               ; preds = %32
  %35 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i64 0, i64 0
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef %35, i32 noundef 4, i32 noundef 2)
          to label %36 unwind label %51

36:                                               ; preds = %34
  %37 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i64 0, i64 0
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef %37, i32 noundef 5, i32 noundef 1)
          to label %38 unwind label %51

38:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #7
  %39 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i64 0, i64 0
  invoke void @_ZN8Solution10dfsOfGraphEiPSt6vectorIiSaIiEE(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %7, ptr noundef nonnull align 1 dereferenceable(1) %5, i32 noundef 5, ptr noundef %39)
          to label %40 unwind label %55

40:                                               ; preds = %38
  %41 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #7
  store ptr %6, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #7
  %42 = load ptr, ptr %8, align 8, !tbaa !5
  %43 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %42) #7
  %44 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %43, ptr %44, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #7
  %45 = load ptr, ptr %8, align 8, !tbaa !5
  %46 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %45) #7
  %47 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %46, ptr %47, align 8
  br label %48

48:                                               ; preds = %67, %40
  %49 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #7
  br i1 %49, label %59, label %50

50:                                               ; preds = %48
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  br label %73

51:                                               ; preds = %36, %34, %32, %30, %28, %26, %24, %22, %20, %18
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %3, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %4, align 4
  br label %83

55:                                               ; preds = %38
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %3, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #7
  br label %76

59:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  %60 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #7
  %61 = load i32, ptr %60, align 4, !tbaa !9
  store i32 %61, ptr %11, align 4, !tbaa !9
  %62 = load i32, ptr %11, align 4, !tbaa !9
  %63 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %62)
          to label %64 unwind label %69

64:                                               ; preds = %59
  %65 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %63, ptr noundef @.str)
          to label %66 unwind label %69

66:                                               ; preds = %64
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %67

67:                                               ; preds = %66
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #7
  br label %48

69:                                               ; preds = %64, %59
  %70 = landingpad { ptr, i32 }
          cleanup
  %71 = extractvalue { ptr, i32 } %70, 0
  store ptr %71, ptr %3, align 8
  %72 = extractvalue { ptr, i32 } %70, 1
  store i32 %72, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  br label %76

73:                                               ; preds = %50
  store i32 0, ptr %1, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #7
  %74 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i32 0, i32 0
  %75 = getelementptr inbounds %"class.std::vector", ptr %74, i64 6
  br label %77

76:                                               ; preds = %69, %55
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #7
  br label %83

77:                                               ; preds = %77, %73
  %78 = phi ptr [ %75, %73 ], [ %79, %77 ]
  %79 = getelementptr inbounds %"class.std::vector", ptr %78, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %79) #7
  %80 = icmp eq ptr %79, %74
  br i1 %80, label %81, label %77

81:                                               ; preds = %77
  call void @llvm.lifetime.end.p0(i64 144, ptr %2) #7
  %82 = load i32, ptr %1, align 4
  ret i32 %82

83:                                               ; preds = %76, %51
  %84 = getelementptr inbounds [6 x %"class.std::vector"], ptr %2, i32 0, i32 0
  %85 = getelementptr inbounds %"class.std::vector", ptr %84, i64 6
  br label %86

86:                                               ; preds = %86, %83
  %87 = phi ptr [ %85, %83 ], [ %88, %86 ]
  %88 = getelementptr inbounds %"class.std::vector", ptr %87, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %88) #7
  %89 = icmp eq ptr %88, %84
  br i1 %89, label %90, label %86

90:                                               ; preds = %86
  call void @llvm.lifetime.end.p0(i64 144, ptr %2) #7
  br label %91

91:                                               ; preds = %90
  %92 = load ptr, ptr %3, align 8
  %93 = load i32, ptr %4, align 4
  %94 = insertvalue { ptr, i32 } poison, ptr %92, 0
  %95 = insertvalue { ptr, i32 } %94, i32 %93, 1
  resume { ptr, i32 } %95
}

; 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 @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8Solution10dfsOfGraphEiPSt6vectorIiSaIiEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 1 dereferenceable(1), i32 noundef, ptr noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #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

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

; 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)) #4

; 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: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #6

; 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

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 = { 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 #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 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 #5 = { 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 #6 = { "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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !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.std::basic_ostream" = type { ptr, %"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::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.Solution = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca [6 x %"class.std::vector"], align 16
  %2 = alloca %class.Solution, align 1
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 144, ptr nonnull %1) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  %.ptr.1 = getelementptr inbounds i8, ptr %1, i64 24
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %.ptr.1) #7
  %.ptr.2 = getelementptr inbounds i8, ptr %1, i64 48
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %.ptr.2) #7
  %.ptr.3 = getelementptr inbounds i8, ptr %1, i64 72
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %.ptr.3) #7
  %.ptr.4 = getelementptr inbounds i8, ptr %1, i64 96
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %.ptr.4) #7
  %.ptr.5 = getelementptr inbounds i8, ptr %1, i64 120
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %.ptr.5) #7
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef nonnull %1, i32 noundef 1, i32 noundef 2)
          to label %7 unwind label %27

7:                                                ; preds = %0
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef nonnull %1, i32 noundef 1, i32 noundef 3)
          to label %8 unwind label %27

8:                                                ; preds = %7
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef nonnull %1, i32 noundef 1, i32 noundef 4)
          to label %9 unwind label %27

9:                                                ; preds = %8
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef nonnull %1, i32 noundef 1, i32 noundef 5)
          to label %10 unwind label %27

10:                                               ; preds = %9
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef nonnull %1, i32 noundef 2, i32 noundef 4)
          to label %11 unwind label %27

11:                                               ; preds = %10
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef nonnull %1, i32 noundef 2, i32 noundef 1)
          to label %12 unwind label %27

12:                                               ; preds = %11
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef nonnull %1, i32 noundef 3, i32 noundef 1)
          to label %13 unwind label %27

13:                                               ; preds = %12
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef nonnull %1, i32 noundef 4, i32 noundef 1)
          to label %14 unwind label %27

14:                                               ; preds = %13
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef nonnull %1, i32 noundef 4, i32 noundef 2)
          to label %15 unwind label %27

15:                                               ; preds = %14
  invoke void @_Z7addEdgePSt6vectorIiSaIiEEii(ptr noundef nonnull %1, i32 noundef 5, i32 noundef 1)
          to label %16 unwind label %27

16:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #7
  invoke void @_ZN8Solution10dfsOfGraphEiPSt6vectorIiSaIiEE(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %4, ptr noundef nonnull align 1 dereferenceable(1) %2, i32 noundef 5, ptr noundef nonnull %1)
          to label %17 unwind label %29

17:                                               ; preds = %16
  %18 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  %19 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  store ptr %19, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  %20 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  store ptr %20, ptr %6, align 8
  %21 = 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) #7
  br i1 %21, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %36, %17
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #7
  %22 = getelementptr inbounds i8, ptr %1, i64 120
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %22) #7
  %23 = getelementptr inbounds i8, ptr %1, i64 96
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %23) #7
  %24 = getelementptr inbounds i8, ptr %1, i64 72
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %24) #7
  %25 = getelementptr inbounds i8, ptr %1, i64 48
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %25) #7
  %26 = getelementptr inbounds i8, ptr %1, i64 24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %26) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  call void @llvm.lifetime.end.p0(i64 144, ptr nonnull %1) #7
  ret i32 0

27:                                               ; preds = %15, %14, %13, %12, %11, %10, %9, %8, %7, %0
  %28 = landingpad { ptr, i32 }
          cleanup
  br label %42

29:                                               ; preds = %16
  %30 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  br label %41

.lr.ph:                                           ; preds = %17, %36
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  %32 = load i32, ptr %31, align 4, !tbaa !5
  %33 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %32)
          to label %34 unwind label %39

34:                                               ; preds = %.lr.ph
  %35 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %33, ptr noundef nonnull @.str)
          to label %36 unwind label %39

36:                                               ; preds = %34
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  %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) #7
  br i1 %38, label %.lr.ph, label %._crit_edge

39:                                               ; preds = %34, %.lr.ph
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  br label %41

41:                                               ; preds = %39, %29
  %.pn = phi { ptr, i32 } [ %40, %39 ], [ %30, %29 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #7
  br label %42

42:                                               ; preds = %41, %27
  %.pn.pn = phi { ptr, i32 } [ %.pn, %41 ], [ %28, %27 ]
  %43 = getelementptr inbounds i8, ptr %1, i64 120
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %43) #7
  %44 = getelementptr inbounds i8, ptr %1, i64 96
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %44) #7
  %45 = getelementptr inbounds i8, ptr %1, i64 72
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %45) #7
  %46 = getelementptr inbounds i8, ptr %1, i64 48
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %46) #7
  %47 = getelementptr inbounds i8, ptr %1, i64 24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %47) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  call void @llvm.lifetime.end.p0(i64 144, 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) #2

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8Solution10dfsOfGraphEiPSt6vectorIiSaIiEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 1 dereferenceable(1), i32 noundef, ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) 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

; 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 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 #4

; 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: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #6

; 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

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 = { 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 #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 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 #5 = { 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 #6 = { "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"}


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