; LLVM IR from yanglr/leetcode-ac :: cpp-leetcode (leetcode987-vertical-order-traversal-of-a-binary-tree_dfs1)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%class.Solution = type <{ %"class.std::unordered_map", i32, [4 x i8] }>
%"class.std::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.10" = type { ptr }
%struct.TreeNode = type { i32, ptr, ptr }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %class.Solution, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector", 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 i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator.10", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator.10", align 8
  %15 = alloca ptr, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 64, ptr %2) #9
  call void @_ZN8SolutionC2Ev(ptr noundef nonnull align 8 dereferenceable(60) %2) #9
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #9
  %16 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #10
          to label %17 unwind label %51

17:                                               ; preds = %0
  invoke void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %16, i32 noundef 1)
          to label %18 unwind label %55

18:                                               ; preds = %17
  store ptr %16, ptr %3, align 8, !tbaa !5
  %19 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #10
          to label %20 unwind label %51

20:                                               ; preds = %18
  invoke void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %19, i32 noundef 2)
          to label %21 unwind label %59

21:                                               ; preds = %20
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.TreeNode, ptr %22, i32 0, i32 1
  store ptr %19, ptr %23, align 8, !tbaa !9
  %24 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #10
          to label %25 unwind label %51

25:                                               ; preds = %21
  invoke void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %24, i32 noundef 3)
          to label %26 unwind label %63

26:                                               ; preds = %25
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.TreeNode, ptr %27, i32 0, i32 2
  store ptr %24, ptr %28, align 8, !tbaa !12
  %29 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #10
          to label %30 unwind label %51

30:                                               ; preds = %26
  invoke void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %29, i32 noundef 4)
          to label %31 unwind label %67

31:                                               ; preds = %30
  %32 = load ptr, ptr %3, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.TreeNode, ptr %32, i32 0, i32 2
  %34 = load ptr, ptr %33, align 8, !tbaa !12
  %35 = getelementptr inbounds %struct.TreeNode, ptr %34, i32 0, i32 1
  store ptr %29, ptr %35, align 8, !tbaa !9
  %36 = load ptr, ptr %3, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.TreeNode, ptr %36, i32 0, i32 2
  %38 = load ptr, ptr %37, align 8, !tbaa !12
  %39 = getelementptr inbounds %struct.TreeNode, ptr %38, i32 0, i32 2
  store ptr null, ptr %39, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #9
  %40 = load ptr, ptr %3, align 8, !tbaa !5
  invoke void @_ZN8Solution17verticalTraversalEP8TreeNode(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %6, ptr noundef nonnull align 8 dereferenceable(60) %2, ptr noundef %40)
          to label %41 unwind label %71

41:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #9
  store ptr %6, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #9
  %42 = load ptr, ptr %7, align 8, !tbaa !5
  %43 = call ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %42) #9
  %44 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %43, ptr %44, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #9
  %45 = load ptr, ptr %7, align 8, !tbaa !5
  %46 = call ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %45) #9
  %47 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %46, ptr %47, align 8
  br label %48

48:                                               ; preds = %104, %41
  %49 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #9
  br i1 %49, label %75, label %50

50:                                               ; preds = %48
  store i32 2, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #9
  br label %111

51:                                               ; preds = %26, %21, %18, %0
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %4, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %5, align 4
  br label %114

55:                                               ; preds = %17
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %4, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %5, align 4
  call void @_ZdlPvm(ptr noundef %16, i64 noundef 24) #11
  br label %114

59:                                               ; preds = %20
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %4, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %5, align 4
  call void @_ZdlPvm(ptr noundef %19, i64 noundef 24) #11
  br label %114

63:                                               ; preds = %25
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %4, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %5, align 4
  call void @_ZdlPvm(ptr noundef %24, i64 noundef 24) #11
  br label %114

67:                                               ; preds = %30
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %4, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %5, align 4
  call void @_ZdlPvm(ptr noundef %29, i64 noundef 24) #11
  br label %114

71:                                               ; preds = %31
  %72 = landingpad { ptr, i32 }
          cleanup
  %73 = extractvalue { ptr, i32 } %72, 0
  store ptr %73, ptr %4, align 8
  %74 = extractvalue { ptr, i32 } %72, 1
  store i32 %74, ptr %5, align 4
  br label %113

75:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #9
  %76 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #9
  store ptr %76, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #9
  %77 = load ptr, ptr %11, align 8, !tbaa !5
  store ptr %77, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #9
  %78 = load ptr, ptr %12, align 8, !tbaa !5
  %79 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %78) #9
  %80 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.10", ptr %13, i32 0, i32 0
  store ptr %79, ptr %80, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #9
  %81 = load ptr, ptr %12, align 8, !tbaa !5
  %82 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %81) #9
  %83 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.10", ptr %14, i32 0, i32 0
  store ptr %82, ptr %83, align 8
  br label %84

84:                                               ; preds = %95, %75
  %85 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #9
  br i1 %85, label %87, label %86

86:                                               ; preds = %84
  store i32 4, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #9
  br label %101

87:                                               ; preds = %84
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #9
  %88 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #9
  store ptr %88, ptr %15, align 8, !tbaa !5
  %89 = load ptr, ptr %15, align 8, !tbaa !5
  %90 = load i32, ptr %89, align 4, !tbaa !13
  %91 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %90)
          to label %92 unwind label %97

92:                                               ; preds = %87
  %93 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %91, ptr noundef @.str)
          to label %94 unwind label %97

94:                                               ; preds = %92
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #9
  br label %95

95:                                               ; preds = %94
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #9
  br label %84

97:                                               ; preds = %92, %87
  %98 = landingpad { ptr, i32 }
          cleanup
  %99 = extractvalue { ptr, i32 } %98, 0
  store ptr %99, ptr %4, align 8
  %100 = extractvalue { ptr, i32 } %98, 1
  store i32 %100, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #9
  br label %110

101:                                              ; preds = %86
  %102 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %103 unwind label %106

103:                                              ; preds = %101
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #9
  br label %104

104:                                              ; preds = %103
  %105 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #9
  br label %48

106:                                              ; preds = %101
  %107 = landingpad { ptr, i32 }
          cleanup
  %108 = extractvalue { ptr, i32 } %107, 0
  store ptr %108, ptr %4, align 8
  %109 = extractvalue { ptr, i32 } %107, 1
  store i32 %109, ptr %5, align 4
  br label %110

110:                                              ; preds = %106, %97
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #9
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #9
  br label %113

111:                                              ; preds = %50
  store i32 0, ptr %1, align 4
  store i32 1, ptr %10, align 4
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #9
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #9
  call void @_ZN8SolutionD2Ev(ptr noundef nonnull align 8 dereferenceable(60) %2) #9
  call void @llvm.lifetime.end.p0(i64 64, ptr %2) #9
  %112 = load i32, ptr %1, align 4
  ret i32 %112

113:                                              ; preds = %110, %71
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #9
  br label %114

114:                                              ; preds = %113, %67, %63, %59, %55, %51
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #9
  call void @_ZN8SolutionD2Ev(ptr noundef nonnull align 8 dereferenceable(60) %2) #9
  call void @llvm.lifetime.end.p0(i64 64, ptr %2) #9
  br label %115

115:                                              ; preds = %114
  %116 = load ptr, ptr %4, align 8
  %117 = load i32, ptr %5, align 4
  %118 = insertvalue { ptr, i32 } poison, ptr %116, 0
  %119 = insertvalue { ptr, i32 } %118, i32 %117, 1
  resume { ptr, i32 } %119
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN8SolutionC2Ev(ptr noundef nonnull align 8 dereferenceable(60)) unnamed_addr #2 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) unnamed_addr #4 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8Solution17verticalTraversalEP8TreeNode(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 8 dereferenceable(60), ptr noundef) #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(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(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 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)) #2

; 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)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #7

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; 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)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN8SolutionD2Ev(ptr noundef nonnull align 8 dereferenceable(60)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nobuiltin allocsize(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 = { 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 = { nobuiltin nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 #7 = { 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 #8 = { "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 #9 = { nounwind }
attributes #10 = { builtin allocsize(0) }
attributes #11 = { builtin 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, !6, i64 8}
!10 = !{!"_ZTS8TreeNode", !11, i64 0, !6, i64 8, !6, i64 16}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 16}
!13 = !{!11, !11, i64 0}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%class.Solution = type <{ %"class.std::unordered_map", i32, [4 x i8] }>
%"class.std::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.10" = type { ptr }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %class.Solution, align 8
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator.10", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator.10", align 8
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %1) #8
  call void @_ZN8SolutionC2Ev(ptr noundef nonnull align 8 dereferenceable(60) %1) #8
  %7 = invoke noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #9
          to label %8 unwind label %24

8:                                                ; preds = %0
  call void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %7, i32 noundef 1)
  %9 = invoke noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #9
          to label %10 unwind label %24

10:                                               ; preds = %8
  call void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %9, i32 noundef 2)
  %11 = getelementptr inbounds i8, ptr %7, i64 8
  store ptr %9, ptr %11, align 8, !tbaa !5
  %12 = invoke noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #9
          to label %13 unwind label %24

13:                                               ; preds = %10
  call void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %12, i32 noundef 3)
  %14 = getelementptr inbounds i8, ptr %7, i64 16
  store ptr %12, ptr %14, align 8, !tbaa !11
  %15 = invoke noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #9
          to label %16 unwind label %24

16:                                               ; preds = %13
  call void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %15, i32 noundef 4)
  %17 = load ptr, ptr %14, align 8, !tbaa !11
  %18 = getelementptr inbounds i8, ptr %17, i64 8
  store ptr %15, ptr %18, align 8, !tbaa !5
  %19 = getelementptr inbounds i8, ptr %17, i64 16
  store ptr null, ptr %19, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #8
  invoke void @_ZN8Solution17verticalTraversalEP8TreeNode(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %2, ptr noundef nonnull align 8 dereferenceable(60) %1, ptr noundef nonnull %7)
          to label %20 unwind label %26

20:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #8
  %21 = call ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  store ptr %21, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #8
  %22 = call ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  store ptr %22, ptr %4, align 8
  %23 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #8
  br i1 %23, label %.lr.ph20, label %._crit_edge21

._crit_edge21:                                    ; preds = %43, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #8
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #8
  call void @_ZN8SolutionD2Ev(ptr noundef nonnull align 8 dereferenceable(60) %1) #8
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %1) #8
  ret i32 0

24:                                               ; preds = %13, %10, %8, %0
  %25 = landingpad { ptr, i32 }
          cleanup
  br label %50

26:                                               ; preds = %16
  %27 = landingpad { ptr, i32 }
          cleanup
  br label %49

.lr.ph20:                                         ; preds = %20, %43
  %28 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #8
  %29 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %28) #8
  store ptr %29, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #8
  %30 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %28) #8
  store ptr %30, ptr %6, align 8
  %31 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #8
  br i1 %31, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %38, %.lr.ph20
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #8
  %32 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
          to label %43 unwind label %46

.lr.ph:                                           ; preds = %.lr.ph20, %38
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #8
  %34 = load i32, ptr %33, align 4, !tbaa !12
  %35 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %34)
          to label %36 unwind label %41

36:                                               ; preds = %.lr.ph
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %35, ptr noundef nonnull @.str)
          to label %38 unwind label %41

38:                                               ; preds = %36
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #8
  %40 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #8
  br i1 %40, label %.lr.ph, label %._crit_edge

41:                                               ; preds = %36, %.lr.ph
  %42 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #8
  br label %48

43:                                               ; preds = %._crit_edge
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #8
  %45 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #8
  br i1 %45, label %.lr.ph20, label %._crit_edge21

46:                                               ; preds = %._crit_edge
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %48

48:                                               ; preds = %46, %41
  %.pn = phi { ptr, i32 } [ %42, %41 ], [ %47, %46 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #8
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  br label %49

49:                                               ; preds = %48, %26
  %.pn.pn = phi { ptr, i32 } [ %.pn, %48 ], [ %27, %26 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #8
  br label %50

50:                                               ; preds = %49, %24
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %49 ], [ %25, %24 ]
  call void @_ZN8SolutionD2Ev(ptr noundef nonnull align 8 dereferenceable(60) %1) #8
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %1) #8
  resume { ptr, i32 } %.pn.pn.pn
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN8SolutionC2Ev(ptr noundef nonnull align 8 dereferenceable(60)) unnamed_addr #2 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8Solution17verticalTraversalEP8TreeNode(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 8 dereferenceable(60), ptr noundef) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(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(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 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 #2

; 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 #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #7

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; 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 #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN8SolutionD2Ev(ptr noundef nonnull align 8 dereferenceable(60)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nobuiltin allocsize(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 = { 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 uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 #7 = { "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 #8 = { nounwind }
attributes #9 = { builtin allocsize(0) }

!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, !10, i64 8}
!6 = !{!"_ZTS8TreeNode", !7, i64 0, !10, i64 8, !10, i64 16}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 16}
!12 = !{!7, !7, i64 0}


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