; LLVM IR from drken1215/book_algorithm_solution :: codes/chap08 (code_8_4)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::initializer_list" = type { ptr, i64 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }
%"class.std::allocator.0" = type { i8 }

@nil = external dso_local global ptr, align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4initv() #0

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #1

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4NodeC2ENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

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

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z9printListv() #0

; 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z6insertP4NodeS0_(ptr noundef, ptr noundef) #3

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #6 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::initializer_list", align 8
  %4 = alloca [6 x %"class.std::__cxx11::basic_string"], align 8
  %5 = alloca ptr, align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca %"class.std::allocator", align 1
  %13 = alloca %"class.std::allocator", align 1
  %14 = alloca i1, align 1
  %15 = alloca %"class.std::allocator.0", align 1
  %16 = alloca i32, align 4
  %17 = alloca ptr, align 8
  %18 = alloca %"class.std::__cxx11::basic_string", align 8
  %19 = alloca i1, align 1
  store i32 0, ptr %1, align 4
  call void @_Z4initv()
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #8
  call void @llvm.lifetime.start.p0(i64 192, ptr %4) #8
  store i1 true, ptr %14, align 1
  store ptr %4, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef @.str.2, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %20 unwind label %51

20:                                               ; preds = %0
  %21 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %4, i64 1
  store ptr %21, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %21, ptr noundef @.str.3, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %22 unwind label %55

22:                                               ; preds = %20
  %23 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %4, i64 2
  store ptr %23, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %23, ptr noundef @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %24 unwind label %59

24:                                               ; preds = %22
  %25 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %4, i64 3
  store ptr %25, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %25, ptr noundef @.str.5, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %26 unwind label %63

26:                                               ; preds = %24
  %27 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %4, i64 4
  store ptr %27, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %27, ptr noundef @.str.6, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %28 unwind label %67

28:                                               ; preds = %26
  %29 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %4, i64 5
  store ptr %29, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %29, ptr noundef @.str.7, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %30 unwind label %71

30:                                               ; preds = %28
  store i1 false, ptr %14, align 1
  %31 = getelementptr inbounds %"class.std::initializer_list", ptr %3, i32 0, i32 0
  store ptr %4, ptr %31, align 8, !tbaa !5
  %32 = getelementptr inbounds %"class.std::initializer_list", ptr %3, i32 0, i32 1
  store i64 6, ptr %32, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #8
  call void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #8
  %33 = getelementptr inbounds { ptr, i64 }, ptr %3, i32 0, i32 0
  %34 = load ptr, ptr %33, align 8
  %35 = getelementptr inbounds { ptr, i64 }, ptr %3, i32 0, i32 1
  %36 = load i64, ptr %35, align 8
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2ESt16initializer_listIS5_ERKS6_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr %34, i64 %36, ptr noundef nonnull align 1 dereferenceable(1) %15)
          to label %37 unwind label %75

37:                                               ; preds = %30
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #8
  %38 = getelementptr inbounds [6 x %"class.std::__cxx11::basic_string"], ptr %4, i32 0, i32 0
  %39 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %38, i64 6
  br label %40

40:                                               ; preds = %40, %37
  %41 = phi ptr [ %39, %37 ], [ %42, %40 ]
  %42 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %41, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %42) #8
  %43 = icmp eq ptr %42, %38
  br i1 %43, label %44, label %40

44:                                               ; preds = %40
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #8
  call void @llvm.lifetime.end.p0(i64 192, ptr %4) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #8
  store i32 0, ptr %16, align 4, !tbaa !12
  br label %45

45:                                               ; preds = %120, %44
  %46 = load i32, ptr %16, align 4, !tbaa !12
  %47 = call noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  %48 = trunc i64 %47 to i32
  %49 = icmp slt i32 %46, %48
  br i1 %49, label %102, label %50

50:                                               ; preds = %45
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #8
  br label %140

51:                                               ; preds = %0
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %7, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %8, align 4
  br label %91

55:                                               ; preds = %20
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %7, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %8, align 4
  br label %90

59:                                               ; preds = %22
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %7, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %8, align 4
  br label %89

63:                                               ; preds = %24
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %7, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %8, align 4
  br label %88

67:                                               ; preds = %26
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %7, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %8, align 4
  br label %87

71:                                               ; preds = %28
  %72 = landingpad { ptr, i32 }
          cleanup
  %73 = extractvalue { ptr, i32 } %72, 0
  store ptr %73, ptr %7, align 8
  %74 = extractvalue { ptr, i32 } %72, 1
  store i32 %74, ptr %8, align 4
  br label %86

75:                                               ; preds = %30
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %7, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %8, align 4
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #8
  %79 = getelementptr inbounds [6 x %"class.std::__cxx11::basic_string"], ptr %4, i32 0, i32 0
  %80 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %79, i64 6
  br label %81

81:                                               ; preds = %81, %75
  %82 = phi ptr [ %80, %75 ], [ %83, %81 ]
  %83 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %82, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %83) #8
  %84 = icmp eq ptr %83, %79
  br i1 %84, label %85, label %81

85:                                               ; preds = %81
  br label %86

86:                                               ; preds = %85, %71
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #8
  br label %87

87:                                               ; preds = %86, %67
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #8
  br label %88

88:                                               ; preds = %87, %63
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #8
  br label %89

89:                                               ; preds = %88, %59
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #8
  br label %90

90:                                               ; preds = %89, %55
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #8
  br label %91

91:                                               ; preds = %90, %51
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #8
  %92 = load i1, ptr %14, align 1
  br i1 %92, label %93, label %101

93:                                               ; preds = %91
  %94 = load ptr, ptr %5, align 8
  %95 = icmp eq ptr %4, %94
  br i1 %95, label %100, label %96

96:                                               ; preds = %96, %93
  %97 = phi ptr [ %94, %93 ], [ %98, %96 ]
  %98 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %97, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %98) #8
  %99 = icmp eq ptr %98, %4
  br i1 %99, label %100, label %96

100:                                              ; preds = %96, %93
  br label %101

101:                                              ; preds = %100, %91
  call void @llvm.lifetime.end.p0(i64 192, ptr %4) #8
  br label %142

102:                                              ; preds = %45
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #8
  %103 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 40) #9
          to label %104 unwind label %123

104:                                              ; preds = %102
  store i1 true, ptr %19, align 1
  %105 = load i32, ptr %16, align 4, !tbaa !12
  %106 = sext i32 %105 to i64
  %107 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %106) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %18, ptr noundef nonnull align 8 dereferenceable(32) %107)
          to label %108 unwind label %127

108:                                              ; preds = %104
  invoke void @_ZN4NodeC2ENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(40) %103, ptr noundef %18)
          to label %109 unwind label %131

109:                                              ; preds = %108
  store i1 false, ptr %19, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %18) #8
  store ptr %103, ptr %17, align 8, !tbaa !14
  %110 = load ptr, ptr %17, align 8, !tbaa !14
  %111 = load ptr, ptr @nil, align 8, !tbaa !14
  call void @_Z6insertP4NodeS0_(ptr noundef %110, ptr noundef %111)
  %112 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.8)
          to label %113 unwind label %123

113:                                              ; preds = %109
  %114 = load i32, ptr %16, align 4, !tbaa !12
  %115 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %112, i32 noundef %114)
          to label %116 unwind label %123

116:                                              ; preds = %113
  %117 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %115, ptr noundef @.str.9)
          to label %118 unwind label %123

118:                                              ; preds = %116
  invoke void @_Z9printListv()
          to label %119 unwind label %123

119:                                              ; preds = %118
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  br label %120

120:                                              ; preds = %119
  %121 = load i32, ptr %16, align 4, !tbaa !12
  %122 = add nsw i32 %121, 1
  store i32 %122, ptr %16, align 4, !tbaa !12
  br label %45, !llvm.loop !15

123:                                              ; preds = %118, %116, %113, %109, %102
  %124 = landingpad { ptr, i32 }
          cleanup
  %125 = extractvalue { ptr, i32 } %124, 0
  store ptr %125, ptr %7, align 8
  %126 = extractvalue { ptr, i32 } %124, 1
  store i32 %126, ptr %8, align 4
  br label %139

127:                                              ; preds = %104
  %128 = landingpad { ptr, i32 }
          cleanup
  %129 = extractvalue { ptr, i32 } %128, 0
  store ptr %129, ptr %7, align 8
  %130 = extractvalue { ptr, i32 } %128, 1
  store i32 %130, ptr %8, align 4
  br label %135

131:                                              ; preds = %108
  %132 = landingpad { ptr, i32 }
          cleanup
  %133 = extractvalue { ptr, i32 } %132, 0
  store ptr %133, ptr %7, align 8
  %134 = extractvalue { ptr, i32 } %132, 1
  store i32 %134, ptr %8, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %18) #8
  br label %135

135:                                              ; preds = %131, %127
  %136 = load i1, ptr %19, align 1
  br i1 %136, label %137, label %138

137:                                              ; preds = %135
  call void @_ZdlPvm(ptr noundef %103, i64 noundef 40) #10
  br label %138

138:                                              ; preds = %137, %135
  br label %139

139:                                              ; preds = %138, %123
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #8
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  br label %142

140:                                              ; preds = %50
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #8
  %141 = load i32, ptr %1, align 4
  ret i32 %141

142:                                              ; preds = %139, %101
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #8
  br label %143

143:                                              ; preds = %142
  %144 = load ptr, ptr %7, align 8
  %145 = load i32, ptr %8, align 4
  %146 = insertvalue { ptr, i32 } poison, ptr %144, 0
  %147 = insertvalue { ptr, i32 } %146, i32 %145, 1
  resume { ptr, i32 } %147
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2ESt16initializer_listIS5_ERKS6_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = { 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 #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 = { 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 #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) }
attributes #10 = { 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, !7, i64 0}
!6 = !{!"_ZTSSt16initializer_listINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!13, !13, i64 0}
!13 = !{!"int", !8, i64 0}
!14 = !{!7, !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }
%"class.std::allocator.0" = type { i8 }

@nil = external dso_local local_unnamed_addr global ptr, align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4initv() local_unnamed_addr #0

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4NodeC2ENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

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

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z9printListv() local_unnamed_addr #0

; 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 #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z6insertP4NodeS0_(ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #6 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector", align 8
  %2 = alloca [6 x %"class.std::__cxx11::basic_string"], align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca %"class.std::allocator.0", align 1
  %10 = alloca %"class.std::__cxx11::basic_string", align 8
  tail call void @_Z4initv()
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #8
  call void @llvm.lifetime.start.p0(i64 192, ptr nonnull %2) #8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull @.str.2, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %11 unwind label %.thread

11:                                               ; preds = %0
  %12 = getelementptr inbounds i8, ptr %2, i64 32
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef nonnull @.str.3, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %13 unwind label %32

13:                                               ; preds = %11
  %14 = getelementptr inbounds i8, ptr %2, i64 64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %14, ptr noundef nonnull @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %15 unwind label %34

15:                                               ; preds = %13
  %16 = getelementptr inbounds i8, ptr %2, i64 96
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %16, ptr noundef nonnull @.str.5, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %17 unwind label %36

17:                                               ; preds = %15
  %18 = getelementptr inbounds i8, ptr %2, i64 128
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %18, ptr noundef nonnull @.str.6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %19 unwind label %38

19:                                               ; preds = %17
  %20 = getelementptr inbounds i8, ptr %2, i64 160
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %20, ptr noundef nonnull @.str.7, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %21 unwind label %40

21:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #8
  call void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #8
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2ESt16initializer_listIS5_ERKS6_(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr nonnull %2, i64 6, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %22 unwind label %.loopexit49.loopexit

22:                                               ; preds = %21
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #8
  %23 = getelementptr inbounds i8, ptr %2, i64 160
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %23) #8
  %24 = getelementptr inbounds i8, ptr %2, i64 128
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %24) #8
  %25 = getelementptr inbounds i8, ptr %2, i64 96
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %25) #8
  %26 = getelementptr inbounds i8, ptr %2, i64 64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %26) #8
  %27 = getelementptr inbounds i8, ptr %2, i64 32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %27) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #8
  call void @llvm.lifetime.end.p0(i64 192, ptr nonnull %2) #8
  %28 = call noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #8
  %29 = trunc i64 %28 to i32
  %30 = icmp sgt i32 %29, 0
  br i1 %30, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %70, %22
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #8
  ret i32 0

.thread:                                          ; preds = %0
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #8
  br label %.loopexit

32:                                               ; preds = %11
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %52

34:                                               ; preds = %13
  %35 = landingpad { ptr, i32 }
          cleanup
  br label %51

36:                                               ; preds = %15
  %37 = landingpad { ptr, i32 }
          cleanup
  br label %50

38:                                               ; preds = %17
  %39 = landingpad { ptr, i32 }
          cleanup
  br label %49

40:                                               ; preds = %19
  %41 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit49

.loopexit49.loopexit:                             ; preds = %21
  %42 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #8
  %43 = getelementptr inbounds i8, ptr %2, i64 160
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %43) #8
  %44 = getelementptr inbounds i8, ptr %2, i64 128
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %44) #8
  %45 = getelementptr inbounds i8, ptr %2, i64 96
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %45) #8
  %46 = getelementptr inbounds i8, ptr %2, i64 64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %46) #8
  %47 = getelementptr inbounds i8, ptr %2, i64 32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %47) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  br label %.loopexit49

.loopexit49:                                      ; preds = %.loopexit49.loopexit, %40
  %.pn = phi { ptr, i32 } [ %41, %40 ], [ %42, %.loopexit49.loopexit ]
  %48 = phi i1 [ false, %40 ], [ true, %.loopexit49.loopexit ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #8
  br label %49

49:                                               ; preds = %.loopexit49, %38
  %.pn.pn = phi { ptr, i32 } [ %.pn, %.loopexit49 ], [ %39, %38 ]
  %.113 = phi i1 [ %48, %.loopexit49 ], [ false, %38 ]
  %.0 = phi ptr [ %20, %.loopexit49 ], [ %18, %38 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #8
  br label %50

50:                                               ; preds = %49, %36
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %49 ], [ %37, %36 ]
  %.214 = phi i1 [ %.113, %49 ], [ false, %36 ]
  %.1 = phi ptr [ %.0, %49 ], [ %16, %36 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #8
  br label %51

51:                                               ; preds = %50, %34
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %50 ], [ %35, %34 ]
  %.315 = phi i1 [ %.214, %50 ], [ false, %34 ]
  %.2 = phi ptr [ %.1, %50 ], [ %14, %34 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #8
  br label %52

52:                                               ; preds = %32, %51
  %.pn.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn.pn, %51 ], [ %33, %32 ]
  %.416 = phi i1 [ %.315, %51 ], [ false, %32 ]
  %.3 = phi ptr [ %.2, %51 ], [ %12, %32 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #8
  %53 = icmp eq ptr %2, %.3
  %or.cond = select i1 %.416, i1 true, i1 %53
  br i1 %or.cond, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %52, %.preheader
  %54 = phi ptr [ %55, %.preheader ], [ %.3, %52 ]
  %55 = getelementptr inbounds i8, ptr %54, i64 -32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %55) #8
  %56 = icmp eq ptr %55, %2
  br i1 %56, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %.thread, %52
  %.pn.pn.pn.pn.pn.pn48 = phi { ptr, i32 } [ %31, %.thread ], [ %.pn.pn.pn.pn.pn, %52 ], [ %.pn.pn.pn.pn.pn, %.preheader ]
  call void @llvm.lifetime.end.p0(i64 192, ptr nonnull %2) #8
  br label %82

.lr.ph:                                           ; preds = %22, %70
  %indvars.iv = phi i64 [ %indvars.iv.next, %70 ], [ 0, %22 ]
  %57 = invoke noalias noundef nonnull dereferenceable(40) ptr @_Znwm(i64 noundef 40) #9
          to label %58 unwind label %74

58:                                               ; preds = %.lr.ph
  %59 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %10, ptr noundef nonnull align 8 dereferenceable(32) %59)
          to label %60 unwind label %76

60:                                               ; preds = %58
  invoke void @_ZN4NodeC2ENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(40) %57, ptr noundef nonnull %10)
          to label %61 unwind label %78

61:                                               ; preds = %60
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #8
  %62 = load ptr, ptr @nil, align 8, !tbaa !5
  call void @_Z6insertP4NodeS0_(ptr noundef nonnull %57, ptr noundef %62)
  %63 = 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.8)
          to label %64 unwind label %74

64:                                               ; preds = %61
  %65 = trunc nuw nsw i64 %indvars.iv to i32
  %66 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %63, i32 noundef %65)
          to label %67 unwind label %74

67:                                               ; preds = %64
  %68 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %66, ptr noundef nonnull @.str.9)
          to label %69 unwind label %74

69:                                               ; preds = %67
  invoke void @_Z9printListv()
          to label %70 unwind label %74

70:                                               ; preds = %69
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %71 = call noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #8
  %sext = shl i64 %71, 32
  %72 = ashr exact i64 %sext, 32
  %73 = icmp slt i64 %indvars.iv.next, %72
  br i1 %73, label %.lr.ph, label %._crit_edge, !llvm.loop !9

74:                                               ; preds = %69, %67, %64, %61, %.lr.ph
  %75 = landingpad { ptr, i32 }
          cleanup
  br label %81

76:                                               ; preds = %58
  %77 = landingpad { ptr, i32 }
          cleanup
  br label %80

78:                                               ; preds = %60
  %79 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #8
  br label %80

80:                                               ; preds = %76, %78
  %.pn39 = phi { ptr, i32 } [ %79, %78 ], [ %77, %76 ]
  call void @_ZdlPvm(ptr noundef nonnull %57, i64 noundef 40) #10
  br label %81

81:                                               ; preds = %80, %74
  %.pn41 = phi { ptr, i32 } [ %75, %74 ], [ %.pn39, %80 ]
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #8
  br label %82

82:                                               ; preds = %81, %.loopexit
  %.pn41.pn = phi { ptr, i32 } [ %.pn41, %81 ], [ %.pn.pn.pn.pn.pn.pn48, %.loopexit ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #8
  resume { ptr, i32 } %.pn41.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2ESt16initializer_listIS5_ERKS6_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

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 nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = { 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 #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 = { 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 #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) }
attributes #10 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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