; LLVM IR from bohanwang/libpgo :: src/core/basicAlgorithms (disjointSet)

; 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.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::map.10" = type { %"class.std::_Rb_tree.11" }
%"class.std::_Rb_tree.11" = type { %"struct.std::_Rb_tree<int, std::pair<const int, std::vector<int>>, std::_Select1st<std::pair<const int, std::vector<int>>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, std::vector<int>>, std::_Select1st<std::pair<const int, std::vector<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::_Rb_tree_const_iterator" = type { ptr }
%"struct.std::_Rb_tree_iterator.15" = type { ptr }
%"class.pgo::BasicAlgorithms::DisjointSetDynamic" = type { %"class.pgo::BasicAlgorithms::DisjointSet", %"class.std::map" }
%"class.pgo::BasicAlgorithms::DisjointSet" = type { %"class.std::vector", %"class.std::vector" }
%"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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::pair.3" = type { i32, i32 }
%"struct.std::pair.16" = type { i32, %"class.std::vector" }

; 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
declare dso_local noundef i32 @_ZNK3pgo15BasicAlgorithms11DisjointSet7findSetEi(ptr noundef nonnull align 8 dereferenceable(48), i32 noundef) #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3pgo15BasicAlgorithms18DisjointSetDynamic10getAllSetsEv(ptr dead_on_unwind noalias writable sret(%"class.std::vector.5") align 8 %0, ptr noundef nonnull align 8 dereferenceable(96) %1) #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::map.10", align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %8 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca i1, align 1
  %16 = alloca ptr, align 8
  %17 = alloca %"struct.std::_Rb_tree_iterator.15", align 8
  %18 = alloca %"struct.std::_Rb_tree_iterator.15", align 8
  %19 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %20 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 48, ptr %5) #3
  call void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %21 = getelementptr inbounds %"class.pgo::BasicAlgorithms::DisjointSetDynamic", ptr %20, i32 0, i32 1
  store ptr %21, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  %23 = call ptr @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %22) #3
  %24 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %7, i32 0, i32 0
  store ptr %23, ptr %24, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  %26 = call ptr @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %25) #3
  %27 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %8, i32 0, i32 0
  store ptr %26, ptr %27, align 8
  br label %28

28:                                               ; preds = %46, %2
  %29 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #3
  br i1 %29, label %31, label %30

30:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %52

31:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %32 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIKiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #3
  store ptr %32, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  %33 = load ptr, ptr %9, align 8, !tbaa !5
  %34 = getelementptr inbounds %"struct.std::pair.3", ptr %33, i32 0, i32 0
  %35 = load i32, ptr %34, align 4, !tbaa !9
  store i32 %35, ptr %10, align 4, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  %36 = load ptr, ptr %9, align 8, !tbaa !5
  %37 = getelementptr inbounds %"struct.std::pair.3", ptr %36, i32 0, i32 1
  %38 = load i32, ptr %37, align 4, !tbaa !13
  store i32 %38, ptr %11, align 4, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  %39 = getelementptr inbounds %"class.pgo::BasicAlgorithms::DisjointSetDynamic", ptr %20, i32 0, i32 0
  %40 = load i32, ptr %11, align 4, !tbaa !12
  %41 = invoke noundef i32 @_ZNK3pgo15BasicAlgorithms11DisjointSet7findSetEi(ptr noundef nonnull align 8 dereferenceable(48) %39, i32 noundef %40)
          to label %42 unwind label %48

42:                                               ; preds = %31
  store i32 %41, ptr %12, align 4, !tbaa !12
  %43 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEixEOi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %44 unwind label %48

44:                                               ; preds = %42
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %43, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %45 unwind label %48

45:                                               ; preds = %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  br label %46

46:                                               ; preds = %45
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIKiiEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #3
  br label %28

48:                                               ; preds = %44, %42, %31
  %49 = landingpad { ptr, i32 }
          cleanup
  %50 = extractvalue { ptr, i32 } %49, 0
  store ptr %50, ptr %13, align 8
  %51 = extractvalue { ptr, i32 } %49, 1
  store i32 %51, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %78

52:                                               ; preds = %30
  store i1 false, ptr %15, align 1
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #3
  store ptr %5, ptr %16, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #3
  %53 = load ptr, ptr %16, align 8, !tbaa !5
  %54 = call ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %53) #3
  %55 = getelementptr inbounds %"struct.std::_Rb_tree_iterator.15", ptr %17, i32 0, i32 0
  store ptr %54, ptr %55, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #3
  %56 = load ptr, ptr %16, align 8, !tbaa !5
  %57 = call ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %56) #3
  %58 = getelementptr inbounds %"struct.std::_Rb_tree_iterator.15", ptr %18, i32 0, i32 0
  store ptr %57, ptr %58, align 8
  br label %59

59:                                               ; preds = %68, %52
  %60 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEES8_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18) #3
  br i1 %60, label %62, label %61

61:                                               ; preds = %59
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #3
  br label %74

62:                                               ; preds = %59
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #3
  %63 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #3
  store ptr %63, ptr %19, align 8, !tbaa !5
  %64 = load ptr, ptr %19, align 8, !tbaa !5
  %65 = getelementptr inbounds %"struct.std::pair.16", ptr %64, i32 0, i32 1
  %66 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE12emplace_backIJS1_EEERS1_DpOT_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %65)
          to label %67 unwind label %70

67:                                               ; preds = %62
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #3
  br label %68

68:                                               ; preds = %67
  %69 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #3
  br label %59

70:                                               ; preds = %62
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %13, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #3
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %78

74:                                               ; preds = %61
  store i1 true, ptr %15, align 1
  %75 = load i1, ptr %15, align 1
  br i1 %75, label %77, label %76

76:                                               ; preds = %74
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %77

77:                                               ; preds = %76, %74
  call void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #3
  call void @llvm.lifetime.end.p0(i64 48, ptr %5) #3
  ret void

78:                                               ; preds = %70, %48
  call void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #3
  call void @llvm.lifetime.end.p0(i64 48, ptr %5) #3
  br label %79

79:                                               ; preds = %78
  %80 = load ptr, ptr %13, align 8
  %81 = load i32, ptr %14, align 4
  %82 = insertvalue { ptr, i32 } poison, ptr %80, 0
  %83 = insertvalue { ptr, i32 } %82, i32 %81, 1
  resume { ptr, i32 } %83
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIKiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEixEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIKiiEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEES8_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE12emplace_backIJS1_EEERS1_DpOT_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #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 = { 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, !11, i64 0}
!10 = !{!"_ZTSSt4pairIKiiE", !11, i64 0, !11, i64 4}
!11 = !{!"int", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!10, !11, i64 4}


; 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.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::map.10" = type { %"class.std::_Rb_tree.11" }
%"class.std::_Rb_tree.11" = type { %"struct.std::_Rb_tree<int, std::pair<const int, std::vector<int>>, std::_Select1st<std::pair<const int, std::vector<int>>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, std::vector<int>>, std::_Select1st<std::pair<const int, std::vector<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::_Rb_tree_const_iterator" = type { ptr }
%"struct.std::_Rb_tree_iterator.15" = type { ptr }

; 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
declare dso_local noundef i32 @_ZNK3pgo15BasicAlgorithms11DisjointSet7findSetEi(ptr noundef nonnull align 8 dereferenceable(48), i32 noundef) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3pgo15BasicAlgorithms18DisjointSetDynamic10getAllSetsEv(ptr dead_on_unwind noalias writable sret(%"class.std::vector.5") align 8 %0, ptr noundef nonnull align 8 dereferenceable(96) %1) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::map.10", align 8
  %4 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %5 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::_Rb_tree_iterator.15", align 8
  %9 = alloca %"struct.std::_Rb_tree_iterator.15", align 8
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %3) #3
  call void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #3
  %10 = getelementptr inbounds i8, ptr %1, i64 48
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %11 = call ptr @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %10) #3
  store ptr %11, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  %12 = call ptr @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %10) #3
  store ptr %12, ptr %5, align 8
  %13 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #3
  br i1 %13, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %25, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #3
  %14 = call ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #3
  store ptr %14, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #3
  %15 = call ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #3
  store ptr %15, ptr %9, align 8
  %16 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEES8_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #3
  br i1 %16, label %.lr.ph14, label %._crit_edge15

.lr.ph:                                           ; preds = %2, %25
  %17 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIKiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #3
  %18 = load i32, ptr %17, align 4, !tbaa !5
  store i32 %18, ptr %6, align 4, !tbaa !10
  %19 = getelementptr inbounds i8, ptr %17, i64 4
  %20 = load i32, ptr %19, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #3
  %21 = invoke noundef i32 @_ZNK3pgo15BasicAlgorithms11DisjointSet7findSetEi(ptr noundef nonnull align 8 dereferenceable(48) %1, i32 noundef %20)
          to label %22 unwind label %28

22:                                               ; preds = %.lr.ph
  store i32 %21, ptr %7, align 4, !tbaa !10
  %23 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEixEOi(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %24 unwind label %28

24:                                               ; preds = %22
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %23, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %25 unwind label %28

25:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #3
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIKiiEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  %27 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #3
  br i1 %27, label %.lr.ph, label %._crit_edge

28:                                               ; preds = %24, %22, %.lr.ph
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  br label %38

._crit_edge15:                                    ; preds = %33, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #3
  call void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #3
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #3
  ret void

.lr.ph14:                                         ; preds = %._crit_edge, %33
  %30 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #3
  %31 = getelementptr inbounds i8, ptr %30, i64 8
  %32 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE12emplace_backIJS1_EEERS1_DpOT_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %31)
          to label %33 unwind label %36

33:                                               ; preds = %.lr.ph14
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #3
  %35 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEES8_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #3
  br i1 %35, label %.lr.ph14, label %._crit_edge15

36:                                               ; preds = %.lr.ph14
  %37 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #3
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %38

38:                                               ; preds = %36, %28
  %.pn = phi { ptr, i32 } [ %29, %28 ], [ %37, %36 ]
  call void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #3
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #3
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIKiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEixEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIKiiEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEES8_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE12emplace_backIJS1_EEERS1_DpOT_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) 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 = { 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, !7, i64 0}
!6 = !{!"_ZTSSt4pairIKiiE", !7, i64 0, !7, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!7, !7, i64 0}
!11 = !{!6, !7, i64 4}


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