; LLVM IR from Lakhankumawat/LearnCPP :: T-Tree/T-TreeTraversals/verticalTraversal.ll (Z17verticalTraversalP4Node)

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

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = 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 }
%"class.std::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::pair<Node *, int>, std::allocator<std::pair<Node *, int>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::pair<Node *, int>, std::allocator<std::pair<Node *, int>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::pair<Node *, int>, std::allocator<std::pair<Node *, int>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::pair<Node *, int>, std::allocator<std::pair<Node *, int>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"struct.std::pair" = type <{ ptr, i32, [4 x i8] }>
%"struct.std::_Rb_tree_iterator" = type { ptr }
%"struct.std::pair.11" = type { i32, %"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.__gnu_cxx::__normal_iterator" = type { ptr }
%struct.Node = type { i32, ptr, ptr }

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

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

declare i32 @__gxx_personality_v0(...)

; 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 @_Z17verticalTraversalP4Node(ptr noundef %0) #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::map", align 8
  %4 = alloca %"class.std::queue", align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"struct.std::pair", align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::pair", align 8
  %13 = alloca i32, align 4
  %14 = alloca %"struct.std::pair", align 8
  %15 = alloca i32, align 4
  %16 = alloca ptr, align 8
  %17 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %18 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %19 = alloca i32, align 4
  %20 = alloca %"struct.std::pair.11", align 8
  %21 = alloca %"class.std::vector", align 8
  %22 = alloca ptr, align 8
  %23 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %24 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %25 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %26 = load ptr, ptr %2, align 8, !tbaa !5
  %27 = icmp eq ptr %26, null
  br i1 %27, label %28, label %29

28:                                               ; preds = %1
  br label %164

29:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 48, ptr %3) #7
  call void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #7
  call void @llvm.lifetime.start.p0(i64 80, ptr %4) #7
  invoke void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEEC2IS6_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %30 unwind label %62

30:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 16, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  store i32 0, ptr %8, align 4, !tbaa !9
  invoke void @_ZNSt4pairIP4NodeiEC2IRS1_iTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS6_S7_EEEbE4typeELb1EEEOS6_OS7_(ptr noundef nonnull align 8 dereferenceable(12) %7, ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %31 unwind label %66

31:                                               ; preds = %30
  invoke void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE4pushEOS3_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(12) %7)
          to label %32 unwind label %66

32:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #7
  br label %33

33:                                               ; preds = %102, %32
  %34 = invoke noundef zeroext i1 @_ZNKSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %35 unwind label %70

35:                                               ; preds = %33
  %36 = zext i1 %34 to i32
  %37 = icmp eq i32 %36, 0
  br i1 %37, label %38, label %105

38:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #7
  %39 = invoke noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %40 unwind label %74

40:                                               ; preds = %38
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %9, ptr align 8 %39, i64 16, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #7
  %41 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 0
  %42 = load ptr, ptr %41, align 8, !tbaa !11
  store ptr %42, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  %43 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 1
  %44 = load i32, ptr %43, align 8, !tbaa !13
  store i32 %44, ptr %11, align 4, !tbaa !9
  %45 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEixERS6_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %46 unwind label %78

46:                                               ; preds = %40
  %47 = load ptr, ptr %10, align 8, !tbaa !5
  %48 = getelementptr inbounds %struct.Node, ptr %47, i32 0, i32 0
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %45, ptr noundef nonnull align 4 dereferenceable(4) %48)
          to label %49 unwind label %78

49:                                               ; preds = %46
  invoke void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %50 unwind label %78

50:                                               ; preds = %49
  %51 = load ptr, ptr %10, align 8, !tbaa !5
  %52 = getelementptr inbounds %struct.Node, ptr %51, i32 0, i32 1
  %53 = load ptr, ptr %52, align 8, !tbaa !14
  %54 = icmp ne ptr %53, null
  br i1 %54, label %55, label %86

55:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #7
  %56 = load ptr, ptr %10, align 8, !tbaa !5
  %57 = getelementptr inbounds %struct.Node, ptr %56, i32 0, i32 1
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  %58 = load i32, ptr %11, align 4, !tbaa !9
  %59 = sub nsw i32 %58, 1
  store i32 %59, ptr %13, align 4, !tbaa !9
  invoke void @_ZNSt4pairIP4NodeiEC2IRS1_iTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS6_S7_EEEbE4typeELb1EEEOS6_OS7_(ptr noundef nonnull align 8 dereferenceable(12) %12, ptr noundef nonnull align 8 dereferenceable(8) %57, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %60 unwind label %82

60:                                               ; preds = %55
  invoke void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE4pushEOS3_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(12) %12)
          to label %61 unwind label %82

61:                                               ; preds = %60
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #7
  br label %86

62:                                               ; preds = %29
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %5, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %6, align 4
  br label %166

66:                                               ; preds = %31, %30
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %5, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #7
  br label %165

70:                                               ; preds = %33
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %5, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %6, align 4
  br label %165

74:                                               ; preds = %38
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %5, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %6, align 4
  br label %104

78:                                               ; preds = %49, %46, %40
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %5, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %6, align 4
  br label %103

82:                                               ; preds = %60, %55
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %5, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #7
  br label %103

86:                                               ; preds = %61, %50
  %87 = load ptr, ptr %10, align 8, !tbaa !5
  %88 = getelementptr inbounds %struct.Node, ptr %87, i32 0, i32 2
  %89 = load ptr, ptr %88, align 8, !tbaa !16
  %90 = icmp ne ptr %89, null
  br i1 %90, label %91, label %102

91:                                               ; preds = %86
  call void @llvm.lifetime.start.p0(i64 16, ptr %14) #7
  %92 = load ptr, ptr %10, align 8, !tbaa !5
  %93 = getelementptr inbounds %struct.Node, ptr %92, i32 0, i32 2
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  %94 = load i32, ptr %11, align 4, !tbaa !9
  %95 = add nsw i32 %94, 1
  store i32 %95, ptr %15, align 4, !tbaa !9
  invoke void @_ZNSt4pairIP4NodeiEC2IRS1_iTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS6_S7_EEEbE4typeELb1EEEOS6_OS7_(ptr noundef nonnull align 8 dereferenceable(12) %14, ptr noundef nonnull align 8 dereferenceable(8) %93, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %96 unwind label %98

96:                                               ; preds = %91
  invoke void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE4pushEOS3_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(12) %14)
          to label %97 unwind label %98

97:                                               ; preds = %96
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #7
  br label %102

98:                                               ; preds = %96, %91
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %5, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #7
  br label %103

102:                                              ; preds = %97, %86
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #7
  br label %33, !llvm.loop !17

103:                                              ; preds = %98, %82, %78
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  br label %104

104:                                              ; preds = %103, %74
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #7
  br label %165

105:                                              ; preds = %35
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #7
  store ptr %3, ptr %16, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #7
  %106 = load ptr, ptr %16, align 8, !tbaa !5
  %107 = call ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %106) #7
  %108 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %17, i32 0, i32 0
  store ptr %107, ptr %108, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #7
  %109 = load ptr, ptr %16, align 8, !tbaa !5
  %110 = call ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %109) #7
  %111 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %18, i32 0, i32 0
  store ptr %110, ptr %111, align 8
  br label %112

112:                                              ; preds = %154, %105
  %113 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEES8_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18) #7
  br i1 %113, label %115, label %114

114:                                              ; preds = %112
  store i32 4, ptr %19, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  br label %163

115:                                              ; preds = %112
  call void @llvm.lifetime.start.p0(i64 32, ptr %20) #7
  %116 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #7
  invoke void @_ZNSt4pairIKiSt6vectorIiSaIiEEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %20, ptr noundef nonnull align 8 dereferenceable(32) %116)
          to label %117 unwind label %129

117:                                              ; preds = %115
  call void @llvm.lifetime.start.p0(i64 24, ptr %21) #7
  %118 = getelementptr inbounds %"struct.std::pair.11", ptr %20, i32 0, i32 1
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %21, ptr noundef nonnull align 8 dereferenceable(24) %118)
          to label %119 unwind label %133

119:                                              ; preds = %117
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #7
  store ptr %21, ptr %22, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #7
  %120 = load ptr, ptr %22, align 8, !tbaa !5
  %121 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %120) #7
  %122 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %23, i32 0, i32 0
  store ptr %121, ptr %122, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %24) #7
  %123 = load ptr, ptr %22, align 8, !tbaa !5
  %124 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %123) #7
  %125 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %24, i32 0, i32 0
  store ptr %124, ptr %125, align 8
  br label %126

126:                                              ; preds = %145, %119
  %127 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %23, ptr noundef nonnull align 8 dereferenceable(8) %24) #7
  br i1 %127, label %137, label %128

128:                                              ; preds = %126
  store i32 6, ptr %19, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #7
  br label %151

129:                                              ; preds = %115
  %130 = landingpad { ptr, i32 }
          cleanup
  %131 = extractvalue { ptr, i32 } %130, 0
  store ptr %131, ptr %5, align 8
  %132 = extractvalue { ptr, i32 } %130, 1
  store i32 %132, ptr %6, align 4
  br label %162

133:                                              ; preds = %117
  %134 = landingpad { ptr, i32 }
          cleanup
  %135 = extractvalue { ptr, i32 } %134, 0
  store ptr %135, ptr %5, align 8
  %136 = extractvalue { ptr, i32 } %134, 1
  store i32 %136, ptr %6, align 4
  br label %161

137:                                              ; preds = %126
  call void @llvm.lifetime.start.p0(i64 4, ptr %25) #7
  %138 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %23) #7
  %139 = load i32, ptr %138, align 4, !tbaa !9
  store i32 %139, ptr %25, align 4, !tbaa !9
  %140 = load i32, ptr %25, align 4, !tbaa !9
  %141 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %140)
          to label %142 unwind label %147

142:                                              ; preds = %137
  %143 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %141, ptr noundef @.str)
          to label %144 unwind label %147

144:                                              ; preds = %142
  call void @llvm.lifetime.end.p0(i64 4, ptr %25) #7
  br label %145

145:                                              ; preds = %144
  %146 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %23) #7
  br label %126

147:                                              ; preds = %142, %137
  %148 = landingpad { ptr, i32 }
          cleanup
  %149 = extractvalue { ptr, i32 } %148, 0
  store ptr %149, ptr %5, align 8
  %150 = extractvalue { ptr, i32 } %148, 1
  store i32 %150, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %25) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #7
  br label %160

151:                                              ; preds = %128
  %152 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext 10)
          to label %153 unwind label %156

153:                                              ; preds = %151
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %21) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %21) #7
  call void @_ZNSt4pairIKiSt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %20) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %20) #7
  br label %154

154:                                              ; preds = %153
  %155 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #7
  br label %112

156:                                              ; preds = %151
  %157 = landingpad { ptr, i32 }
          cleanup
  %158 = extractvalue { ptr, i32 } %157, 0
  store ptr %158, ptr %5, align 8
  %159 = extractvalue { ptr, i32 } %157, 1
  store i32 %159, ptr %6, align 4
  br label %160

160:                                              ; preds = %156, %147
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %21) #7
  br label %161

161:                                              ; preds = %160, %133
  call void @llvm.lifetime.end.p0(i64 24, ptr %21) #7
  call void @_ZNSt4pairIKiSt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %20) #7
  br label %162

162:                                              ; preds = %161, %129
  call void @llvm.lifetime.end.p0(i64 32, ptr %20) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  br label %165

163:                                              ; preds = %114
  call void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %4) #7
  call void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr %3) #7
  br label %164

164:                                              ; preds = %163, %28
  ret void

165:                                              ; preds = %162, %104, %70, %66
  call void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #7
  br label %166

166:                                              ; preds = %165, %62
  call void @llvm.lifetime.end.p0(i64 80, ptr %4) #7
  call void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr %3) #7
  br label %167

167:                                              ; preds = %166
  %168 = load ptr, ptr %5, align 8
  %169 = load i32, ptr %6, align 4
  %170 = insertvalue { ptr, i32 } poison, ptr %168, 0
  %171 = insertvalue { ptr, i32 } %170, i32 %169, 1
  resume { ptr, i32 } %171
}

; 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 uwtable
declare dso_local void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEEC2IS6_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE4pushEOS3_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(12)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIP4NodeiEC2IRS1_iTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS6_S7_EEEbE4typeELb1EEEOS6_OS7_(ptr noundef nonnull align 8 dereferenceable(12), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEixERS6_(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 void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #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 void @_ZNSt4pairIKiSt6vectorIiSaIiEEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #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)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIKiSt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTSSt4pairIP4NodeiE", !6, i64 0, !10, i64 8}
!13 = !{!12, !10, i64 8}
!14 = !{!15, !6, i64 8}
!15 = !{!"_ZTS4Node", !10, i64 0, !6, i64 8, !6, i64 16}
!16 = !{!15, !6, i64 16}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


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

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = 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 }
%"class.std::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::pair<Node *, int>, std::allocator<std::pair<Node *, int>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::pair<Node *, int>, std::allocator<std::pair<Node *, int>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::pair<Node *, int>, std::allocator<std::pair<Node *, int>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::pair<Node *, int>, std::allocator<std::pair<Node *, int>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"struct.std::pair" = type <{ ptr, i32, [4 x i8] }>
%"struct.std::_Rb_tree_iterator" = type { ptr }
%"struct.std::pair.11" = type { i32, %"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.__gnu_cxx::__normal_iterator" = type { ptr }

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

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

declare i32 @__gxx_personality_v0(...)

; 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 @_Z17verticalTraversalP4Node(ptr noundef %0) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::map", align 8
  %4 = alloca %"class.std::queue", align 8
  %5 = alloca %"struct.std::pair", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::pair", align 8
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %13 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %14 = alloca %"struct.std::pair.11", align 8
  %15 = alloca %"class.std::vector", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %18 = icmp eq ptr %0, null
  br i1 %18, label %87, label %19

19:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %3) #6
  call void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %4) #6
  invoke void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEEC2IS6_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %20 unwind label %33

20:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  store i32 0, ptr %6, align 4, !tbaa !9
  call void @_ZNSt4pairIP4NodeiEC2IRS1_iTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS6_S7_EEEbE4typeELb1EEEOS6_OS7_(ptr noundef nonnull align 8 dereferenceable(12) %5, ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 4 dereferenceable(4) %6)
  invoke void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE4pushEOS3_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(12) %5)
          to label %21 unwind label %35

21:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #6
  %22 = call noundef zeroext i1 @_ZNKSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  br i1 %22, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %21, %50
  %23 = call noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %.sroa.0.0.copyload = load ptr, ptr %23, align 8
  %.sroa.5.0..sroa_idx = getelementptr inbounds i8, ptr %23, i64 8
  %.sroa.5.0.copyload = load i32, ptr %.sroa.5.0..sroa_idx, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #6
  store i32 %.sroa.5.0.copyload, ptr %7, align 4, !tbaa !9
  %24 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEixERS6_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %25 unwind label %37

25:                                               ; preds = %.lr.ph
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %24, ptr noundef nonnull align 4 dereferenceable(4) %.sroa.0.0.copyload)
          to label %26 unwind label %37

26:                                               ; preds = %25
  call void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %27 = getelementptr inbounds i8, ptr %.sroa.0.0.copyload, i64 8
  %28 = load ptr, ptr %27, align 8, !tbaa !11
  %.not = icmp eq ptr %28, null
  br i1 %.not, label %41, label %29

29:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #6
  %30 = load i32, ptr %7, align 4, !tbaa !9
  %31 = add nsw i32 %30, -1
  store i32 %31, ptr %9, align 4, !tbaa !9
  call void @_ZNSt4pairIP4NodeiEC2IRS1_iTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS6_S7_EEEbE4typeELb1EEEOS6_OS7_(ptr noundef nonnull align 8 dereferenceable(12) %8, ptr noundef nonnull align 8 dereferenceable(8) %27, ptr noundef nonnull align 4 dereferenceable(4) %9)
  invoke void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE4pushEOS3_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(12) %8)
          to label %32 unwind label %39

32:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #6
  br label %41

33:                                               ; preds = %19
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %89

35:                                               ; preds = %20
  %36 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #6
  br label %88

37:                                               ; preds = %25, %.lr.ph
  %38 = landingpad { ptr, i32 }
          cleanup
  br label %52

39:                                               ; preds = %29
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #6
  br label %52

41:                                               ; preds = %32, %26
  %42 = getelementptr inbounds i8, ptr %.sroa.0.0.copyload, i64 16
  %43 = load ptr, ptr %42, align 8, !tbaa !13
  %.not20 = icmp eq ptr %43, null
  br i1 %.not20, label %50, label %44

44:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %10) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #6
  %45 = load i32, ptr %7, align 4, !tbaa !9
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %11, align 4, !tbaa !9
  call void @_ZNSt4pairIP4NodeiEC2IRS1_iTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS6_S7_EEEbE4typeELb1EEEOS6_OS7_(ptr noundef nonnull align 8 dereferenceable(12) %10, ptr noundef nonnull align 8 dereferenceable(8) %42, ptr noundef nonnull align 4 dereferenceable(4) %11)
  invoke void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE4pushEOS3_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(12) %10)
          to label %47 unwind label %48

47:                                               ; preds = %44
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %10) #6
  br label %50

48:                                               ; preds = %44
  %49 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %10) #6
  br label %52

50:                                               ; preds = %47, %41
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  %51 = call noundef zeroext i1 @_ZNKSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  br i1 %51, label %._crit_edge, label %.lr.ph, !llvm.loop !14

52:                                               ; preds = %48, %39, %37
  %.pn21 = phi { ptr, i32 } [ %49, %48 ], [ %40, %39 ], [ %38, %37 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  br label %88

._crit_edge:                                      ; preds = %50, %21
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #6
  %53 = call ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  store ptr %53, ptr %12, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #6
  %54 = call ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  store ptr %54, ptr %13, align 8
  %55 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEES8_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  br i1 %55, label %.lr.ph29, label %._crit_edge30

.lr.ph29:                                         ; preds = %._crit_edge
  %56 = getelementptr inbounds i8, ptr %14, i64 8
  br label %57

._crit_edge30:                                    ; preds = %79, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  call void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %4) #6
  call void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #6
  br label %87

57:                                               ; preds = %.lr.ph29, %79
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %14) #6
  %58 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #6
  invoke void @_ZNSt4pairIKiSt6vectorIiSaIiEEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %14, ptr noundef nonnull align 8 dereferenceable(32) %58)
          to label %59 unwind label %65

59:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %15) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %15, ptr noundef nonnull align 8 dereferenceable(24) %56)
          to label %60 unwind label %67

60:                                               ; preds = %59
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %16) #6
  %61 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #6
  store ptr %61, ptr %16, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %17) #6
  %62 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #6
  store ptr %62, ptr %17, align 8
  %63 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull align 8 dereferenceable(8) %17) #6
  br i1 %63, label %.lr.ph26, label %._crit_edge27

._crit_edge27:                                    ; preds = %74, %60
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %17) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #6
  %64 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext 10)
          to label %79 unwind label %82

65:                                               ; preds = %57
  %66 = landingpad { ptr, i32 }
          cleanup
  br label %86

67:                                               ; preds = %59
  %68 = landingpad { ptr, i32 }
          cleanup
  br label %85

.lr.ph26:                                         ; preds = %60, %74
  %69 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %16) #6
  %70 = load i32, ptr %69, align 4, !tbaa !9
  %71 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %70)
          to label %72 unwind label %77

72:                                               ; preds = %.lr.ph26
  %73 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %71, ptr noundef nonnull @.str)
          to label %74 unwind label %77

74:                                               ; preds = %72
  %75 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %16) #6
  %76 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull align 8 dereferenceable(8) %17) #6
  br i1 %76, label %.lr.ph26, label %._crit_edge27

77:                                               ; preds = %72, %.lr.ph26
  %78 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %17) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #6
  br label %84

79:                                               ; preds = %._crit_edge27
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %15) #6
  call void @_ZNSt4pairIKiSt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %14) #6
  %80 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #6
  %81 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiSt6vectorIiSaIiEEEES8_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  br i1 %81, label %57, label %._crit_edge30

82:                                               ; preds = %._crit_edge27
  %83 = landingpad { ptr, i32 }
          cleanup
  br label %84

84:                                               ; preds = %82, %77
  %.pn = phi { ptr, i32 } [ %78, %77 ], [ %83, %82 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #6
  br label %85

85:                                               ; preds = %84, %67
  %.pn.pn = phi { ptr, i32 } [ %.pn, %84 ], [ %68, %67 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %15) #6
  call void @_ZNSt4pairIKiSt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #6
  br label %86

86:                                               ; preds = %85, %65
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %85 ], [ %66, %65 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  br label %88

87:                                               ; preds = %1, %._crit_edge30
  ret void

88:                                               ; preds = %86, %52, %35
  %.pn21.pn = phi { ptr, i32 } [ %.pn21, %52 ], [ %.pn.pn.pn, %86 ], [ %36, %35 ]
  call void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #6
  br label %89

89:                                               ; preds = %88, %33
  %.pn21.pn.pn = phi { ptr, i32 } [ %.pn21.pn, %88 ], [ %34, %33 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %4) #6
  call void @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #6
  resume { ptr, i32 } %.pn21.pn.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 uwtable
declare dso_local void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEEC2IS6_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE4pushEOS3_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(12)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIP4NodeiEC2IRS1_iTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS6_S7_EEEbE4typeELb1EEEOS6_OS7_(ptr noundef nonnull align 8 dereferenceable(12), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt3mapIiSt6vectorIiSaIiEESt4lessIiESaISt4pairIKiS2_EEEixERS6_(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 void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_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 void @_ZNSt4pairIKiSt6vectorIiSaIiEEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) 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: 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 #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #5

; 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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIKiSt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueISt4pairIP4NodeiESt5dequeIS3_SaIS3_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 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 = { 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 = { 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 #5 = { "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 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"_ZTS4Node", !10, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!12, !6, i64 16}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


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