; LLVM IR from brpapa/algorithms :: notebook/graphs/mst-kruskal.ll (Z7kruskalv)

; 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::tuple<long long, int, int>, std::allocator<std::tuple<long long, int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<long long, int, int>, std::allocator<std::tuple<long long, int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<long long, int, int>, std::allocator<std::tuple<long long, int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<long long, int, int>, std::allocator<std::tuple<long long, int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::tuple<int, int, long long>, std::allocator<std::tuple<int, int, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<int, int, long long>, std::allocator<std::tuple<int, int, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<int, int, long long>, std::allocator<std::tuple<int, int, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<int, int, long long>, std::allocator<std::tuple<int, int, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.ufds = type <{ %"class.std::vector.5", %"class.std::vector.5", i32, [4 x i8] }>
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = 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 }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.10", %"struct.std::_Head_base.13" }
%"struct.std::_Tuple_impl.10" = type { %"struct.std::_Tuple_impl.11", %"struct.std::_Head_base.12" }
%"struct.std::_Tuple_impl.11" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i32 }
%"struct.std::_Head_base.12" = type { i32 }
%"struct.std::_Head_base.13" = type { i64 }
%"class.std::tuple.14" = type { %"struct.std::_Tuple_impl.15" }
%"struct.std::_Tuple_impl.15" = type { %"struct.std::_Tuple_impl.16", %"struct.std::_Head_base.20" }
%"struct.std::_Tuple_impl.16" = type { %"struct.std::_Tuple_impl.17", %"struct.std::_Head_base.19" }
%"struct.std::_Tuple_impl.17" = type { %"struct.std::_Head_base.18" }
%"struct.std::_Head_base.18" = type { ptr }
%"struct.std::_Head_base.19" = type { ptr }
%"struct.std::_Head_base.20" = type { ptr }
%"class.std::tuple.21" = type { %"struct.std::_Tuple_impl.22" }
%"struct.std::_Tuple_impl.22" = type { %"struct.std::_Tuple_impl.base", %"struct.std::_Head_base.26" }
%"struct.std::_Tuple_impl.base" = type <{ %"struct.std::_Tuple_impl.24", %"struct.std::_Head_base.12" }>
%"struct.std::_Tuple_impl.24" = type { %"struct.std::_Head_base.25" }
%"struct.std::_Head_base.25" = type { i64 }
%"struct.std::_Head_base.26" = type { i32 }

@V = external dso_local global i32, align 4
@edge_list = external dso_local global %"class.std::vector", align 8
@mst_edges = external dso_local global %"class.std::vector.0", align 8

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z7kruskalv() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %class.ufds, align 8
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.std::tuple", align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i64, align 8
  %14 = alloca %"class.std::tuple.14", align 8
  %15 = alloca %"class.std::tuple.21", align 8
  call void @_ZNSt6vectorISt5tupleIJiixEESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) @mst_edges) #6
  call void @llvm.lifetime.start.p0(i64 56, ptr %1) #6
  %16 = load i32, ptr @V, align 4, !tbaa !5
  call void @_ZN4ufdsC2Ei(ptr noundef nonnull align 8 dereferenceable(52) %1, i32 noundef %16)
  %17 = call ptr @_ZNSt6vectorISt5tupleIJxiiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @edge_list) #6
  %18 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %2, i32 0, i32 0
  store ptr %17, ptr %18, align 8
  %19 = call ptr @_ZNSt6vectorISt5tupleIJxiiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @edge_list) #6
  %20 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %3, i32 0, i32 0
  store ptr %19, ptr %20, align 8
  %21 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %2, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8
  %23 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %3, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxiiEESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %22, ptr %24)
          to label %25 unwind label %33

25:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  store i64 0, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store ptr @edge_list, ptr %7, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %26 = call ptr @_ZNSt6vectorISt5tupleIJxiiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @edge_list) #6
  %27 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %26, ptr %27, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %28 = call ptr @_ZNSt6vectorISt5tupleIJxiiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @edge_list) #6
  %29 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %28, ptr %29, align 8
  br label %30

30:                                               ; preds = %61, %25
  %31 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5tupleIJxiiEESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  br i1 %31, label %37, label %32

32:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %64

33:                                               ; preds = %0
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %4, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %5, align 4
  br label %66

37:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #6
  %38 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5tupleIJxiiEESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %10, ptr align 8 %38, i64 16, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %14) #6
  call void @_ZSt3tieIJxiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind writable sret(%"class.std::tuple.14") align 8 %14, ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 4 dereferenceable(4) %11, ptr noundef nonnull align 4 dereferenceable(4) %12) #6
  %39 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt5tupleIJRxRiS1_EEaSIJxiiEEENSt9enable_ifIXcl12__assignableIDpRKT_EEERS2_E4typeERKS_IJDpS5_EE(ptr noundef nonnull align 8 dereferenceable(24) %14, ptr noundef nonnull align 8 dereferenceable(16) %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #6
  %40 = load i32, ptr %11, align 4, !tbaa !5
  %41 = load i32, ptr %12, align 4, !tbaa !5
  %42 = invoke noundef zeroext i1 @_ZN4ufds11is_same_setEii(ptr noundef nonnull align 8 dereferenceable(52) %1, i32 noundef %40, i32 noundef %41)
          to label %43 unwind label %52

43:                                               ; preds = %37
  br i1 %42, label %60, label %44

44:                                               ; preds = %43
  %45 = load i32, ptr %11, align 4, !tbaa !5
  %46 = load i32, ptr %12, align 4, !tbaa !5
  invoke void @_ZN4ufds10union_setsEii(ptr noundef nonnull align 8 dereferenceable(52) %1, i32 noundef %45, i32 noundef %46)
          to label %47 unwind label %52

47:                                               ; preds = %44
  %48 = load i64, ptr %13, align 8, !tbaa !9
  %49 = load i64, ptr %6, align 8, !tbaa !9
  %50 = add nsw i64 %49, %48
  store i64 %50, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %15) #6
  call void @_ZNSt5tupleIJiixEEC2IJRiS2_RxELb1ETnNSt9enable_ifIXclsr4_TCCIXT0_EEE29__is_implicitly_constructibleIDpT_EEEbE4typeELb1EEEDpOS5_(ptr noundef nonnull align 8 dereferenceable(16) %15, ptr noundef nonnull align 4 dereferenceable(4) %11, ptr noundef nonnull align 4 dereferenceable(4) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  invoke void @_ZNSt6vectorISt5tupleIJiixEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @mst_edges, ptr noundef nonnull align 8 dereferenceable(16) %15)
          to label %51 unwind label %56

51:                                               ; preds = %47
  call void @llvm.lifetime.end.p0(i64 16, ptr %15) #6
  br label %60

52:                                               ; preds = %44, %37
  %53 = landingpad { ptr, i32 }
          cleanup
  %54 = extractvalue { ptr, i32 } %53, 0
  store ptr %54, ptr %4, align 8
  %55 = extractvalue { ptr, i32 } %53, 1
  store i32 %55, ptr %5, align 4
  br label %63

56:                                               ; preds = %47
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %4, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %15) #6
  br label %63

60:                                               ; preds = %51, %43
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #6
  br label %61

61:                                               ; preds = %60
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxiiEESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  br label %30

63:                                               ; preds = %56, %52
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %66

64:                                               ; preds = %32
  %65 = load i64, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @_ZN4ufdsD2Ev(ptr noundef nonnull align 8 dereferenceable(52) %1) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr %1) #6
  ret i64 %65

66:                                               ; preds = %63, %33
  call void @_ZN4ufdsD2Ev(ptr noundef nonnull align 8 dereferenceable(52) %1) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr %1) #6
  br label %67

67:                                               ; preds = %66
  %68 = load ptr, ptr %4, align 8
  %69 = load i32, ptr %5, align 4
  %70 = insertvalue { ptr, i32 } poison, ptr %68, 0
  %71 = insertvalue { ptr, i32 } %70, i32 %69, 1
  resume { ptr, i32 } %71
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJiixEESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4ufdsC2Ei(ptr noundef nonnull align 8 dereferenceable(52), i32 noundef) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxiiEESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJxiiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJxiiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5tupleIJxiiEESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(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 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5tupleIJxiiEESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt3tieIJxiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple.14") align 8, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt5tupleIJRxRiS1_EEaSIJxiiEEENSt9enable_ifIXcl12__assignableIDpRKT_EEERS2_E4typeERKS_IJDpS5_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) #1 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 noundef zeroext i1 @_ZN4ufds11is_same_setEii(ptr noundef nonnull align 8 dereferenceable(52), i32 noundef, i32 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4ufds10union_setsEii(ptr noundef nonnull align 8 dereferenceable(52), i32 noundef, i32 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJiixEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJiixEEC2IJRiS2_RxELb1ETnNSt9enable_ifIXclsr4_TCCIXT0_EEE29__is_implicitly_constructibleIDpT_EEEbE4typeELb1EEEDpOS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxiiEESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN4ufdsD2Ev(ptr noundef nonnull align 8 dereferenceable(52)) unnamed_addr #4 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 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"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.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::tuple<long long, int, int>, std::allocator<std::tuple<long long, int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<long long, int, int>, std::allocator<std::tuple<long long, int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<long long, int, int>, std::allocator<std::tuple<long long, int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<long long, int, int>, std::allocator<std::tuple<long long, int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::tuple<int, int, long long>, std::allocator<std::tuple<int, int, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<int, int, long long>, std::allocator<std::tuple<int, int, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<int, int, long long>, std::allocator<std::tuple<int, int, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<int, int, long long>, std::allocator<std::tuple<int, int, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.ufds = type <{ %"class.std::vector.5", %"class.std::vector.5", i32, [4 x i8] }>
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = 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 }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.10", %"struct.std::_Head_base.13" }
%"struct.std::_Tuple_impl.10" = type { %"struct.std::_Tuple_impl.11", %"struct.std::_Head_base.12" }
%"struct.std::_Tuple_impl.11" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i32 }
%"struct.std::_Head_base.12" = type { i32 }
%"struct.std::_Head_base.13" = type { i64 }
%"class.std::tuple.14" = type { %"struct.std::_Tuple_impl.15" }
%"struct.std::_Tuple_impl.15" = type { %"struct.std::_Tuple_impl.16", %"struct.std::_Head_base.20" }
%"struct.std::_Tuple_impl.16" = type { %"struct.std::_Tuple_impl.17", %"struct.std::_Head_base.19" }
%"struct.std::_Tuple_impl.17" = type { %"struct.std::_Head_base.18" }
%"struct.std::_Head_base.18" = type { ptr }
%"struct.std::_Head_base.19" = type { ptr }
%"struct.std::_Head_base.20" = type { ptr }
%"class.std::tuple.21" = type { %"struct.std::_Tuple_impl.22" }
%"struct.std::_Tuple_impl.22" = type { %"struct.std::_Tuple_impl.base", %"struct.std::_Head_base.26" }
%"struct.std::_Tuple_impl.base" = type <{ %"struct.std::_Tuple_impl.24", %"struct.std::_Head_base.12" }>
%"struct.std::_Tuple_impl.24" = type { %"struct.std::_Head_base.25" }
%"struct.std::_Head_base.25" = type { i64 }
%"struct.std::_Head_base.26" = type { i32 }

@V = external dso_local local_unnamed_addr global i32, align 4
@edge_list = external dso_local global %"class.std::vector", align 8
@mst_edges = external dso_local global %"class.std::vector.0", align 8

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z7kruskalv() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %class.ufds, align 8
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.std::tuple", align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca %"class.std::tuple.14", align 8
  %9 = alloca %"class.std::tuple.21", align 8
  tail call void @_ZNSt6vectorISt5tupleIJiixEESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) @mst_edges) #6
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %1) #6
  %10 = load i32, ptr @V, align 4, !tbaa !5
  call void @_ZN4ufdsC2Ei(ptr noundef nonnull align 8 dereferenceable(52) %1, i32 noundef %10)
  %11 = call ptr @_ZNSt6vectorISt5tupleIJxiiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @edge_list) #6
  %12 = call ptr @_ZNSt6vectorISt5tupleIJxiiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @edge_list) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxiiEESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %11, ptr %12)
          to label %13 unwind label %17

13:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %14 = call ptr @_ZNSt6vectorISt5tupleIJxiiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @edge_list) #6
  store ptr %14, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  %15 = call ptr @_ZNSt6vectorISt5tupleIJxiiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @edge_list) #6
  store ptr %15, ptr %3, align 8
  %16 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5tupleIJxiiEESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #6
  br i1 %16, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %36, %13
  %.04.lcssa = phi i64 [ 0, %13 ], [ %.15, %36 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @_ZN4ufdsD2Ev(ptr noundef nonnull align 8 dereferenceable(52) %1) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %1) #6
  ret i64 %.04.lcssa

17:                                               ; preds = %0
  %18 = landingpad { ptr, i32 }
          cleanup
  br label %40

.lr.ph:                                           ; preds = %13, %36
  %.0412 = phi i64 [ %.15, %36 ], [ 0, %13 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #6
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5tupleIJxiiEESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #6
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef nonnull align 8 dereferenceable(16) %19, i64 16, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %8) #6
  call void @_ZSt3tieIJxiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind nonnull writable sret(%"class.std::tuple.14") align 8 %8, ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6) #6
  %20 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt5tupleIJRxRiS1_EEaSIJxiiEEENSt9enable_ifIXcl12__assignableIDpRKT_EEERS2_E4typeERKS_IJDpS5_EE(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(16) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #6
  %21 = load i32, ptr %5, align 4, !tbaa !5
  %22 = load i32, ptr %6, align 4, !tbaa !5
  %23 = invoke noundef zeroext i1 @_ZN4ufds11is_same_setEii(ptr noundef nonnull align 8 dereferenceable(52) %1, i32 noundef %21, i32 noundef %22)
          to label %24 unwind label %32

24:                                               ; preds = %.lr.ph
  br i1 %23, label %36, label %25

25:                                               ; preds = %24
  %26 = load i32, ptr %5, align 4, !tbaa !5
  %27 = load i32, ptr %6, align 4, !tbaa !5
  invoke void @_ZN4ufds10union_setsEii(ptr noundef nonnull align 8 dereferenceable(52) %1, i32 noundef %26, i32 noundef %27)
          to label %28 unwind label %32

28:                                               ; preds = %25
  %29 = load i64, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #6
  call void @_ZNSt5tupleIJiixEEC2IJRiS2_RxELb1ETnNSt9enable_ifIXclsr4_TCCIXT0_EEE29__is_implicitly_constructibleIDpT_EEEbE4typeELb1EEEDpOS5_(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #6
  invoke void @_ZNSt6vectorISt5tupleIJiixEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @mst_edges, ptr noundef nonnull align 8 dereferenceable(16) %9)
          to label %30 unwind label %34

30:                                               ; preds = %28
  %31 = add nsw i64 %29, %.0412
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #6
  br label %36

32:                                               ; preds = %25, %.lr.ph
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %39

34:                                               ; preds = %28
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #6
  br label %39

36:                                               ; preds = %30, %24
  %.15 = phi i64 [ %.0412, %24 ], [ %31, %30 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #6
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxiiEESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #6
  %38 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5tupleIJxiiEESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #6
  br i1 %38, label %.lr.ph, label %._crit_edge

39:                                               ; preds = %34, %32
  %.pn = phi { ptr, i32 } [ %35, %34 ], [ %33, %32 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  br label %40

40:                                               ; preds = %39, %17
  %.pn.pn = phi { ptr, i32 } [ %.pn, %39 ], [ %18, %17 ]
  call void @_ZN4ufdsD2Ev(ptr noundef nonnull align 8 dereferenceable(52) %1) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJiixEESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; 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 uwtable
declare dso_local void @_ZN4ufdsC2Ei(ptr noundef nonnull align 8 dereferenceable(52), i32 noundef) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxiiEESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJxiiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJxiiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5tupleIJxiiEESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(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 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5tupleIJxiiEESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt3tieIJxiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple.14") align 8, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt5tupleIJRxRiS1_EEaSIJxiiEEENSt9enable_ifIXcl12__assignableIDpRKT_EEERS2_E4typeERKS_IJDpS5_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #1 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 noundef zeroext i1 @_ZN4ufds11is_same_setEii(ptr noundef nonnull align 8 dereferenceable(52), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4ufds10union_setsEii(ptr noundef nonnull align 8 dereferenceable(52), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJiixEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJiixEEC2IJRiS2_RxELb1ETnNSt9enable_ifIXclsr4_TCCIXT0_EEE29__is_implicitly_constructibleIDpT_EEEbE4typeELb1EEEDpOS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxiiEESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN4ufdsD2Ev(ptr noundef nonnull align 8 dereferenceable(52)) unnamed_addr #4 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 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}


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