; LLVM IR from upupming/algorithm :: AdvancedLevel_C++/1102. Invert a Binary Tree (25) (main)

; 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"

%struct.node = type { i32, i32, i32, i32, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl" }
%"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl" = type { %"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl_data" }
%"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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.__gnu_cxx::__normal_iterator" = type { ptr }

@a = external dso_local global [100 x %struct.node], align 16
@v1 = external dso_local global %"class.std::vector", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI4nodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsiii(i32 noundef, i32 noundef, i32 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z3cmp4nodeS_(ptr noundef byval(%struct.node) align 8, ptr noundef byval(%struct.node) align 8) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca [100 x i32], align 16
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 400, ptr %3) #7
  call void @llvm.memset.p0.i64(ptr align 16 %3, i8 0, i64 400, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  store i32 0, ptr %4, align 4, !tbaa !5
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %73, %0
  %17 = load i32, ptr %5, align 4, !tbaa !5
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = icmp slt i32 %17, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %76

21:                                               ; preds = %16
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = load i32, ptr %5, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [100 x %struct.node], ptr @a, i64 0, i64 %24
  %26 = getelementptr inbounds %struct.node, ptr %25, i32 0, i32 0
  store i32 %22, ptr %26, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  %27 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %28 unwind label %44

28:                                               ; preds = %21
  %29 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %27, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %30 unwind label %44

30:                                               ; preds = %28
  %31 = invoke noundef zeroext i1 @_ZStneIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef @.str)
          to label %32 unwind label %44

32:                                               ; preds = %30
  br i1 %31, label %33, label %48

33:                                               ; preds = %32
  %34 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef null, i32 noundef 10)
          to label %35 unwind label %44

35:                                               ; preds = %33
  %36 = load i32, ptr %5, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [100 x %struct.node], ptr @a, i64 0, i64 %37
  %39 = getelementptr inbounds %struct.node, ptr %38, i32 0, i32 1
  store i32 %34, ptr %39, align 4, !tbaa !11
  %40 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef null, i32 noundef 10)
          to label %41 unwind label %44

41:                                               ; preds = %35
  %42 = sext i32 %40 to i64
  %43 = getelementptr inbounds [100 x i32], ptr %3, i64 0, i64 %42
  store i32 1, ptr %43, align 4, !tbaa !5
  br label %53

44:                                               ; preds = %58, %56, %53, %35, %33, %30, %28, %21
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %8, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %161

48:                                               ; preds = %32
  %49 = load i32, ptr %5, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [100 x %struct.node], ptr @a, i64 0, i64 %50
  %52 = getelementptr inbounds %struct.node, ptr %51, i32 0, i32 1
  store i32 -1, ptr %52, align 4, !tbaa !11
  br label %53

53:                                               ; preds = %48, %41
  %54 = invoke noundef zeroext i1 @_ZStneIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef @.str)
          to label %55 unwind label %44

55:                                               ; preds = %53
  br i1 %54, label %56, label %67

56:                                               ; preds = %55
  %57 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef null, i32 noundef 10)
          to label %58 unwind label %44

58:                                               ; preds = %56
  %59 = load i32, ptr %5, align 4, !tbaa !5
  %60 = sext i32 %59 to i64
  %61 = getelementptr inbounds [100 x %struct.node], ptr @a, i64 0, i64 %60
  %62 = getelementptr inbounds %struct.node, ptr %61, i32 0, i32 2
  store i32 %57, ptr %62, align 4, !tbaa !12
  %63 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef null, i32 noundef 10)
          to label %64 unwind label %44

64:                                               ; preds = %58
  %65 = sext i32 %63 to i64
  %66 = getelementptr inbounds [100 x i32], ptr %3, i64 0, i64 %65
  store i32 1, ptr %66, align 4, !tbaa !5
  br label %72

67:                                               ; preds = %55
  %68 = load i32, ptr %5, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds [100 x %struct.node], ptr @a, i64 0, i64 %69
  %71 = getelementptr inbounds %struct.node, ptr %70, i32 0, i32 2
  store i32 -1, ptr %71, align 4, !tbaa !12
  br label %72

72:                                               ; preds = %67, %64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #7
  br label %73

73:                                               ; preds = %72
  %74 = load i32, ptr %5, align 4, !tbaa !5
  %75 = add nsw i32 %74, 1
  store i32 %75, ptr %5, align 4, !tbaa !5
  br label %16, !llvm.loop !13

76:                                               ; preds = %20
  br label %77

77:                                               ; preds = %83, %76
  %78 = load i32, ptr %4, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = getelementptr inbounds [100 x i32], ptr %3, i64 0, i64 %79
  %81 = load i32, ptr %80, align 4, !tbaa !5
  %82 = icmp eq i32 %81, 1
  br i1 %82, label %83, label %86

83:                                               ; preds = %77
  %84 = load i32, ptr %4, align 4, !tbaa !5
  %85 = add nsw i32 %84, 1
  store i32 %85, ptr %4, align 4, !tbaa !5
  br label %77, !llvm.loop !15

86:                                               ; preds = %77
  %87 = load i32, ptr %4, align 4, !tbaa !5
  call void @_Z3dfsiii(i32 noundef %87, i32 noundef 0, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #7
  call void @_ZNSt6vectorI4nodeSaIS0_EEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 8 dereferenceable(24) @v1)
  %88 = call ptr @_ZNSt6vectorI4nodeSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  %89 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %88, ptr %89, align 8
  %90 = call ptr @_ZNSt6vectorI4nodeSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  %91 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %90, ptr %91, align 8
  %92 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  %93 = load ptr, ptr %92, align 8
  %94 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  %95 = load ptr, ptr %94, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP4nodeSt6vectorIS2_SaIS2_EEEEPFbS2_S2_EEvT_SA_T0_(ptr %93, ptr %95, ptr noundef @_Z3cmp4nodeS_)
          to label %96 unwind label %103

96:                                               ; preds = %86
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  store i32 0, ptr %13, align 4, !tbaa !5
  br label %97

97:                                               ; preds = %125, %96
  %98 = load i32, ptr %13, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = call noundef i64 @_ZNKSt6vectorI4nodeSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  %101 = icmp ult i64 %99, %100
  br i1 %101, label %107, label %102

102:                                              ; preds = %97
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %128

103:                                              ; preds = %128, %86
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %8, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %9, align 4
  br label %160

107:                                              ; preds = %97
  %108 = load i32, ptr %13, align 4, !tbaa !5
  %109 = icmp ne i32 %108, 0
  br i1 %109, label %110, label %117

110:                                              ; preds = %107
  %111 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
          to label %112 unwind label %113

112:                                              ; preds = %110
  br label %117

113:                                              ; preds = %117, %110
  %114 = landingpad { ptr, i32 }
          cleanup
  %115 = extractvalue { ptr, i32 } %114, 0
  store ptr %115, ptr %8, align 8
  %116 = extractvalue { ptr, i32 } %114, 1
  store i32 %116, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %160

117:                                              ; preds = %112, %107
  %118 = load i32, ptr %13, align 4, !tbaa !5
  %119 = sext i32 %118 to i64
  %120 = call noundef nonnull align 4 dereferenceable(20) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %119) #7
  %121 = getelementptr inbounds %struct.node, ptr %120, i32 0, i32 0
  %122 = load i32, ptr %121, align 4, !tbaa !9
  %123 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %122)
          to label %124 unwind label %113

124:                                              ; preds = %117
  br label %125

125:                                              ; preds = %124
  %126 = load i32, ptr %13, align 4, !tbaa !5
  %127 = add nsw i32 %126, 1
  store i32 %127, ptr %13, align 4, !tbaa !5
  br label %97, !llvm.loop !16

128:                                              ; preds = %102
  %129 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %130 unwind label %103

130:                                              ; preds = %128
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  store i32 0, ptr %14, align 4, !tbaa !5
  br label %131

131:                                              ; preds = %155, %130
  %132 = load i32, ptr %14, align 4, !tbaa !5
  %133 = sext i32 %132 to i64
  %134 = call noundef i64 @_ZNKSt6vectorI4nodeSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @v1) #7
  %135 = icmp ult i64 %133, %134
  br i1 %135, label %137, label %136

136:                                              ; preds = %131
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %158

137:                                              ; preds = %131
  %138 = load i32, ptr %14, align 4, !tbaa !5
  %139 = icmp ne i32 %138, 0
  br i1 %139, label %140, label %147

140:                                              ; preds = %137
  %141 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
          to label %142 unwind label %143

142:                                              ; preds = %140
  br label %147

143:                                              ; preds = %147, %140
  %144 = landingpad { ptr, i32 }
          cleanup
  %145 = extractvalue { ptr, i32 } %144, 0
  store ptr %145, ptr %8, align 8
  %146 = extractvalue { ptr, i32 } %144, 1
  store i32 %146, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %160

147:                                              ; preds = %142, %137
  %148 = load i32, ptr %14, align 4, !tbaa !5
  %149 = sext i32 %148 to i64
  %150 = call noundef nonnull align 4 dereferenceable(20) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v1, i64 noundef %149) #7
  %151 = getelementptr inbounds %struct.node, ptr %150, i32 0, i32 0
  %152 = load i32, ptr %151, align 4, !tbaa !9
  %153 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %152)
          to label %154 unwind label %143

154:                                              ; preds = %147
  br label %155

155:                                              ; preds = %154
  %156 = load i32, ptr %14, align 4, !tbaa !5
  %157 = add nsw i32 %156, 1
  store i32 %157, ptr %14, align 4, !tbaa !5
  br label %131, !llvm.loop !17

158:                                              ; preds = %136
  store i32 0, ptr %1, align 4
  call void @_ZNSt6vectorI4nodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 400, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %159 = load i32, ptr %1, align 4
  ret i32 %159

160:                                              ; preds = %143, %113, %103
  call void @_ZNSt6vectorI4nodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #7
  br label %161

161:                                              ; preds = %160, %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 400, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %162

162:                                              ; preds = %161
  %163 = load ptr, ptr %8, align 8
  %164 = load i32, ptr %9, align 4
  %165 = insertvalue { ptr, i32 } poison, ptr %163, 0
  %166 = insertvalue { ptr, i32 } %165, i32 %164, 1
  resume { ptr, i32 } %166
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #5

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZStneIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #6

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i32 noundef) #6

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI4nodeSaIS0_EEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP4nodeSt6vectorIS2_SaIS2_EEEEPFbS2_S2_EEvT_SA_T0_(ptr, ptr, ptr noundef) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4nodeSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4nodeSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI4nodeSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 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) #6

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(20) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

attributes #0 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTS4node", !6, i64 0, !6, i64 4, !6, i64 8, !6, i64 12, !6, i64 16}
!11 = !{!10, !6, i64 4}
!12 = !{!10, !6, i64 8}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}
!17 = distinct !{!17, !14}


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

%struct.node = type { i32, i32, i32, i32, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl" }
%"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl" = type { %"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl_data" }
%"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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] }

@a = external dso_local local_unnamed_addr global [100 x %struct.node], align 16
@v1 = external dso_local global %"class.std::vector", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI4nodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsiii(i32 noundef, i32 noundef, i32 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z3cmp4nodeS_(ptr noundef byval(%struct.node) align 8, ptr noundef byval(%struct.node) align 8) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca [100 x i32], align 16
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::vector", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 400, ptr nonnull %2) #7
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(400) %2, i8 0, i64 400, i1 false)
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %7 = load i32, ptr %1, align 4, !tbaa !5
  %8 = icmp sgt i32 %7, 0
  br i1 %8, label %.lr.ph, label %.preheader35.preheader

.lr.ph:                                           ; preds = %0, %42
  %indvars.iv = phi i64 [ %indvars.iv.next, %42 ], [ 0, %0 ]
  %9 = getelementptr inbounds [100 x %struct.node], ptr @a, i64 0, i64 %indvars.iv
  %10 = trunc nuw nsw i64 %indvars.iv to i32
  store i32 %10, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  %11 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %12 unwind label %25

12:                                               ; preds = %.lr.ph
  %13 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %14 unwind label %25

14:                                               ; preds = %12
  %15 = invoke noundef zeroext i1 @_ZStneIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str)
          to label %16 unwind label %25

16:                                               ; preds = %14
  br i1 %15, label %17, label %27

17:                                               ; preds = %16
  %18 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef null, i32 noundef 10)
          to label %19 unwind label %25

19:                                               ; preds = %17
  %20 = getelementptr inbounds i8, ptr %9, i64 4
  store i32 %18, ptr %20, align 4, !tbaa !11
  %21 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef null, i32 noundef 10)
          to label %22 unwind label %25

22:                                               ; preds = %19
  %23 = sext i32 %21 to i64
  %24 = getelementptr inbounds [100 x i32], ptr %2, i64 0, i64 %23
  store i32 1, ptr %24, align 4, !tbaa !5
  br label %29

25:                                               ; preds = %34, %32, %29, %19, %17, %14, %12, %.lr.ph
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  br label %87

27:                                               ; preds = %16
  %28 = getelementptr inbounds i8, ptr %9, i64 4
  store i32 -1, ptr %28, align 4, !tbaa !11
  br label %29

29:                                               ; preds = %27, %22
  %30 = invoke noundef zeroext i1 @_ZStneIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull @.str)
          to label %31 unwind label %25

31:                                               ; preds = %29
  br i1 %30, label %32, label %40

32:                                               ; preds = %31
  %33 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef null, i32 noundef 10)
          to label %34 unwind label %25

34:                                               ; preds = %32
  %35 = getelementptr inbounds i8, ptr %9, i64 8
  store i32 %33, ptr %35, align 4, !tbaa !12
  %36 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef null, i32 noundef 10)
          to label %37 unwind label %25

37:                                               ; preds = %34
  %38 = sext i32 %36 to i64
  %39 = getelementptr inbounds [100 x i32], ptr %2, i64 0, i64 %38
  store i32 1, ptr %39, align 4, !tbaa !5
  br label %42

40:                                               ; preds = %31
  %41 = getelementptr inbounds i8, ptr %9, i64 8
  store i32 -1, ptr %41, align 4, !tbaa !12
  br label %42

42:                                               ; preds = %40, %37
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %43 = load i32, ptr %1, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = icmp slt i64 %indvars.iv.next, %44
  br i1 %45, label %.lr.ph, label %.preheader35.preheader, !llvm.loop !13

.preheader35.preheader:                           ; preds = %42, %0
  br label %.preheader35

.preheader35:                                     ; preds = %.preheader35.preheader, %.preheader35
  %indvars.iv45 = phi i64 [ %indvars.iv.next46, %.preheader35 ], [ 0, %.preheader35.preheader ]
  %46 = getelementptr inbounds [100 x i32], ptr %2, i64 0, i64 %indvars.iv45
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = icmp eq i32 %47, 1
  %indvars.iv.next46 = add nuw nsw i64 %indvars.iv45, 1
  br i1 %48, label %.preheader35, label %49, !llvm.loop !15

49:                                               ; preds = %.preheader35
  %50 = trunc nuw nsw i64 %indvars.iv45 to i32
  call void @_Z3dfsiii(i32 noundef %50, i32 noundef 0, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #7
  call void @_ZNSt6vectorI4nodeSaIS0_EEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) @v1)
  %51 = call ptr @_ZNSt6vectorI4nodeSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  %52 = call ptr @_ZNSt6vectorI4nodeSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP4nodeSt6vectorIS2_SaIS2_EEEEPFbS2_S2_EEvT_SA_T0_(ptr %51, ptr %52, ptr noundef nonnull @_Z3cmp4nodeS_)
          to label %.preheader34 unwind label %68

.preheader34:                                     ; preds = %49
  %53 = call noundef i64 @_ZNKSt6vectorI4nodeSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  %.not42 = icmp eq i64 %53, 0
  br i1 %.not42, label %._crit_edge, label %.lr.ph38.preheader

.lr.ph38.preheader:                               ; preds = %.preheader34
  %54 = call noundef nonnull align 4 dereferenceable(20) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #7
  %55 = load i32, ptr %54, align 4, !tbaa !9
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %55)
          to label %57 unwind label %.loopexit.split-lp

57:                                               ; preds = %.lr.ph38.preheader
  %58 = call noundef i64 @_ZNKSt6vectorI4nodeSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  %59 = icmp ugt i64 %58, 1
  br i1 %59, label %.lr.ph38.peel.next, label %._crit_edge

._crit_edge:                                      ; preds = %75, %57, %.preheader34
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader unwind label %68

.preheader:                                       ; preds = %._crit_edge
  %61 = call noundef i64 @_ZNKSt6vectorI4nodeSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @v1) #7
  %.not43 = icmp eq i64 %61, 0
  br i1 %.not43, label %._crit_edge41, label %.lr.ph40.preheader

.lr.ph40.preheader:                               ; preds = %.preheader
  %62 = call noundef nonnull align 4 dereferenceable(20) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v1, i64 noundef 0) #7
  %63 = load i32, ptr %62, align 4, !tbaa !9
  %64 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %63)
          to label %65 unwind label %.loopexit.split-lp57

65:                                               ; preds = %.lr.ph40.preheader
  %66 = call noundef i64 @_ZNKSt6vectorI4nodeSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @v1) #7
  %67 = icmp ugt i64 %66, 1
  br i1 %67, label %.lr.ph40.peel.next, label %._crit_edge41

68:                                               ; preds = %._crit_edge, %49
  %69 = landingpad { ptr, i32 }
          cleanup
  br label %86

.lr.ph38.peel.next:                               ; preds = %57, %75
  %indvars.iv48 = phi i64 [ %indvars.iv.next49, %75 ], [ 1, %57 ]
  %70 = 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.2)
          to label %71 unwind label %.loopexit

.loopexit:                                        ; preds = %.lr.ph38.peel.next, %71
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %86

.loopexit.split-lp:                               ; preds = %.lr.ph38.preheader
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %86

71:                                               ; preds = %.lr.ph38.peel.next
  %72 = call noundef nonnull align 4 dereferenceable(20) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv48) #7
  %73 = load i32, ptr %72, align 4, !tbaa !9
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %73)
          to label %75 unwind label %.loopexit

75:                                               ; preds = %71
  %indvars.iv.next49 = add nuw nsw i64 %indvars.iv48, 1
  %76 = call noundef i64 @_ZNKSt6vectorI4nodeSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  %77 = icmp ugt i64 %76, %indvars.iv.next49
  br i1 %77, label %.lr.ph38.peel.next, label %._crit_edge, !llvm.loop !16

._crit_edge41:                                    ; preds = %83, %65, %.preheader
  call void @_ZNSt6vectorI4nodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 400, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

.lr.ph40.peel.next:                               ; preds = %65, %83
  %indvars.iv52 = phi i64 [ %indvars.iv.next53, %83 ], [ 1, %65 ]
  %78 = 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.2)
          to label %79 unwind label %.loopexit56

.loopexit56:                                      ; preds = %.lr.ph40.peel.next, %79
  %lpad.loopexit58 = landingpad { ptr, i32 }
          cleanup
  br label %86

.loopexit.split-lp57:                             ; preds = %.lr.ph40.preheader
  %lpad.loopexit.split-lp59 = landingpad { ptr, i32 }
          cleanup
  br label %86

79:                                               ; preds = %.lr.ph40.peel.next
  %80 = call noundef nonnull align 4 dereferenceable(20) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v1, i64 noundef %indvars.iv52) #7
  %81 = load i32, ptr %80, align 4, !tbaa !9
  %82 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %81)
          to label %83 unwind label %.loopexit56

83:                                               ; preds = %79
  %indvars.iv.next53 = add nuw nsw i64 %indvars.iv52, 1
  %84 = call noundef i64 @_ZNKSt6vectorI4nodeSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @v1) #7
  %85 = icmp ugt i64 %84, %indvars.iv.next53
  br i1 %85, label %.lr.ph40.peel.next, label %._crit_edge41, !llvm.loop !18

86:                                               ; preds = %.loopexit56, %.loopexit.split-lp57, %.loopexit, %.loopexit.split-lp, %68
  %.pn = phi { ptr, i32 } [ %69, %68 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ], [ %lpad.loopexit58, %.loopexit56 ], [ %lpad.loopexit.split-lp59, %.loopexit.split-lp57 ]
  call void @_ZNSt6vectorI4nodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  br label %87

87:                                               ; preds = %86, %25
  %.pn32 = phi { ptr, i32 } [ %26, %25 ], [ %.pn, %86 ]
  call void @llvm.lifetime.end.p0(i64 400, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn32
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #5

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZStneIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #6

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i32 noundef) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI4nodeSaIS0_EEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP4nodeSt6vectorIS2_SaIS2_EEEEPFbS2_S2_EEvT_SA_T0_(ptr, ptr, ptr noundef) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4nodeSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4nodeSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI4nodeSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(20) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

attributes #0 = { 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 #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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTS4node", !6, i64 0, !6, i64 4, !6, i64 8, !6, i64 12, !6, i64 16}
!11 = !{!10, !6, i64 4}
!12 = !{!10, !6, i64 8}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14, !17}
!17 = !{!"llvm.loop.peeled.count", i32 1}
!18 = distinct !{!18, !14, !17}


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