; LLVM IR from kazunetakahashi/atcoder :: 2019/0622_ABC131/past/F.ll (Z9add_pointiR9UnionFindi)

; 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<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.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@x = external dso_local global [100010 x i32], align 16
@y = external dso_local global [100010 x i32], align 16
@visited = external dso_local global [100010 x i8], align 16
@X = external dso_local global [100010 x %"class.std::vector"], align 16
@Y = external dso_local global [100010 x %"class.std::vector"], align 16
@used_x = external dso_local global %"class.std::set", align 8
@used_y = external dso_local global %"class.std::set", align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9add_pointiR9UnionFindi(i32 noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"struct.std::pair", align 8
  %8 = alloca %"struct.std::pair", align 8
  %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 = alloca ptr, align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !5
  %17 = load i32, ptr %4, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [100010 x i8], ptr @visited, i64 0, i64 %18
  store i8 1, ptr %19, align 1, !tbaa !11
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [100010 x i32], ptr @x, i64 0, i64 %21
  %23 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) @used_x, ptr noundef nonnull align 4 dereferenceable(4) %22)
  %24 = getelementptr inbounds { ptr, i8 }, ptr %7, i32 0, i32 0
  %25 = extractvalue { ptr, i8 } %23, 0
  store ptr %25, ptr %24, align 8
  %26 = getelementptr inbounds { ptr, i8 }, ptr %7, i32 0, i32 1
  %27 = extractvalue { ptr, i8 } %23, 1
  store i8 %27, ptr %26, align 8
  %28 = load i32, ptr %4, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [100010 x i32], ptr @y, i64 0, i64 %29
  %31 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) @used_y, ptr noundef nonnull align 4 dereferenceable(4) %30)
  %32 = getelementptr inbounds { ptr, i8 }, ptr %8, i32 0, i32 0
  %33 = extractvalue { ptr, i8 } %31, 0
  store ptr %33, ptr %32, align 8
  %34 = getelementptr inbounds { ptr, i8 }, ptr %8, i32 0, i32 1
  %35 = extractvalue { ptr, i8 } %31, 1
  store i8 %35, ptr %34, align 8
  %36 = load i32, ptr %6, align 4, !tbaa !5
  %37 = icmp eq i32 %36, 0
  br i1 %37, label %38, label %73

38:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %39 = load i32, ptr %4, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [100010 x i32], ptr @x, i64 0, i64 %40
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @X, i64 0, i64 %43
  store ptr %44, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %45 = load ptr, ptr %9, align 8, !tbaa !9
  %46 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %45) #4
  %47 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %46, ptr %47, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %48 = load ptr, ptr %9, align 8, !tbaa !9
  %49 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %48) #4
  %50 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %49, ptr %50, align 8
  br label %51

51:                                               ; preds = %70, %38
  %52 = 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) #4
  br i1 %52, label %54, label %53

53:                                               ; preds = %51
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  br label %72

54:                                               ; preds = %51
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  %56 = load i32, ptr %55, align 4, !tbaa !5
  store i32 %56, ptr %12, align 4, !tbaa !5
  %57 = load i32, ptr %12, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [100010 x i8], ptr @visited, i64 0, i64 %58
  %60 = load i8, ptr %59, align 1, !tbaa !11, !range !13, !noundef !14
  %61 = trunc i8 %60 to i1
  br i1 %61, label %69, label %62

62:                                               ; preds = %54
  %63 = load ptr, ptr %5, align 8, !tbaa !9
  %64 = load i32, ptr %4, align 4, !tbaa !5
  %65 = load i32, ptr %12, align 4, !tbaa !5
  %66 = call noundef zeroext i1 @_ZN9UnionFind5mergeEii(ptr noundef nonnull align 8 dereferenceable(24) %63, i32 noundef %64, i32 noundef %65)
  %67 = load i32, ptr %12, align 4, !tbaa !5
  %68 = load ptr, ptr %5, align 8, !tbaa !9
  call void @_Z9add_pointiR9UnionFindi(i32 noundef %67, ptr noundef nonnull align 8 dereferenceable(24) %68, i32 noundef 1)
  br label %69

69:                                               ; preds = %62, %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  br label %70

70:                                               ; preds = %69
  %71 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  br label %51

72:                                               ; preds = %53
  br label %112

73:                                               ; preds = %3
  %74 = load i32, ptr %6, align 4, !tbaa !5
  %75 = icmp eq i32 %74, 1
  br i1 %75, label %76, label %111

76:                                               ; preds = %73
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %77 = load i32, ptr %4, align 4, !tbaa !5
  %78 = sext i32 %77 to i64
  %79 = getelementptr inbounds [100010 x i32], ptr @y, i64 0, i64 %78
  %80 = load i32, ptr %79, align 4, !tbaa !5
  %81 = sext i32 %80 to i64
  %82 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @Y, i64 0, i64 %81
  store ptr %82, ptr %13, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %83 = load ptr, ptr %13, align 8, !tbaa !9
  %84 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %83) #4
  %85 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %84, ptr %85, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  %86 = load ptr, ptr %13, align 8, !tbaa !9
  %87 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %86) #4
  %88 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %87, ptr %88, align 8
  br label %89

89:                                               ; preds = %108, %76
  %90 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef nonnull align 8 dereferenceable(8) %15) #4
  br i1 %90, label %92, label %91

91:                                               ; preds = %89
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  br label %110

92:                                               ; preds = %89
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #4
  %93 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  %94 = load i32, ptr %93, align 4, !tbaa !5
  store i32 %94, ptr %16, align 4, !tbaa !5
  %95 = load i32, ptr %16, align 4, !tbaa !5
  %96 = sext i32 %95 to i64
  %97 = getelementptr inbounds [100010 x i8], ptr @visited, i64 0, i64 %96
  %98 = load i8, ptr %97, align 1, !tbaa !11, !range !13, !noundef !14
  %99 = trunc i8 %98 to i1
  br i1 %99, label %107, label %100

100:                                              ; preds = %92
  %101 = load ptr, ptr %5, align 8, !tbaa !9
  %102 = load i32, ptr %4, align 4, !tbaa !5
  %103 = load i32, ptr %16, align 4, !tbaa !5
  %104 = call noundef zeroext i1 @_ZN9UnionFind5mergeEii(ptr noundef nonnull align 8 dereferenceable(24) %101, i32 noundef %102, i32 noundef %103)
  %105 = load i32, ptr %16, align 4, !tbaa !5
  %106 = load ptr, ptr %5, align 8, !tbaa !9
  call void @_Z9add_pointiR9UnionFindi(i32 noundef %105, ptr noundef nonnull align 8 dereferenceable(24) %106, i32 noundef 0)
  br label %107

107:                                              ; preds = %100, %92
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #4
  br label %108

108:                                              ; preds = %107
  %109 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  br label %89

110:                                              ; preds = %91
  br label %111

111:                                              ; preds = %110, %73
  br label %112

112:                                              ; preds = %111, %72
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

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

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

; 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)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN9UnionFind5mergeEii(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, i32 noundef) #1 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)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 #4 = { 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 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}


; 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<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.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@x = external dso_local global [100010 x i32], align 16
@y = external dso_local global [100010 x i32], align 16
@visited = external dso_local local_unnamed_addr global [100010 x i8], align 16
@X = external dso_local global [100010 x %"class.std::vector"], align 16
@Y = external dso_local global [100010 x %"class.std::vector"], align 16
@used_x = external dso_local global %"class.std::set", align 8
@used_y = external dso_local global %"class.std::set", align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9add_pointiR9UnionFindi(i32 noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef %2) local_unnamed_addr #1 {
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = sext i32 %0 to i64
  %9 = getelementptr inbounds [100010 x i8], ptr @visited, i64 0, i64 %8
  store i8 1, ptr %9, align 1, !tbaa !5
  %10 = getelementptr inbounds [100010 x i32], ptr @x, i64 0, i64 %8
  %11 = tail call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) @used_x, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %12 = getelementptr inbounds [100010 x i32], ptr @y, i64 0, i64 %8
  %13 = tail call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) @used_y, ptr noundef nonnull align 4 dereferenceable(4) %12)
  switch i32 %2, label %50 [
    i32 0, label %14
    i32 1, label %32
  ]

14:                                               ; preds = %3
  %15 = load i32, ptr %10, align 4, !tbaa !9
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @X, i64 0, i64 %16
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %18 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #4
  store ptr %18, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %19 = tail call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #4
  store ptr %19, ptr %5, align 8
  %20 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %20, label %.lr.ph25, label %._crit_edge26

._crit_edge26:                                    ; preds = %29, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  br label %50

.lr.ph25:                                         ; preds = %14, %29
  %21 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %22 = load i32, ptr %21, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [100010 x i8], ptr @visited, i64 0, i64 %23
  %25 = load i8, ptr %24, align 1, !tbaa !5, !range !11, !noundef !12
  %26 = trunc nuw i8 %25 to i1
  br i1 %26, label %29, label %27

27:                                               ; preds = %.lr.ph25
  %28 = call noundef zeroext i1 @_ZN9UnionFind5mergeEii(ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef %0, i32 noundef %22)
  call void @_Z9add_pointiR9UnionFindi(i32 noundef %22, ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef 1)
  br label %29

29:                                               ; preds = %27, %.lr.ph25
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %31 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %31, label %.lr.ph25, label %._crit_edge26

32:                                               ; preds = %3
  %33 = load i32, ptr %12, align 4, !tbaa !9
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @Y, i64 0, i64 %34
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %36 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %35) #4
  store ptr %36, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %37 = tail call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %35) #4
  store ptr %37, ptr %7, align 8
  %38 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br i1 %38, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %47, %32
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  br label %50

.lr.ph:                                           ; preds = %32, %47
  %39 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  %40 = load i32, ptr %39, align 4, !tbaa !9
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [100010 x i8], ptr @visited, i64 0, i64 %41
  %43 = load i8, ptr %42, align 1, !tbaa !5, !range !11, !noundef !12
  %44 = trunc nuw i8 %43 to i1
  br i1 %44, label %47, label %45

45:                                               ; preds = %.lr.ph
  %46 = call noundef zeroext i1 @_ZN9UnionFind5mergeEii(ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef %0, i32 noundef %40)
  call void @_Z9add_pointiR9UnionFindi(i32 noundef %40, ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef 0)
  br label %47

47:                                               ; preds = %45, %.lr.ph
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  %49 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br i1 %49, label %.lr.ph, label %._crit_edge

50:                                               ; preds = %3, %._crit_edge, %._crit_edge26
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

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

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

; 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 #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN9UnionFind5mergeEii(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, i32 noundef) local_unnamed_addr #1 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 #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 #4 = { 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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}


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