; LLVM IR from eyangch/competitive-programming :: teamscode/2022/e.ll (Z3dfsxxRSt6vectorIS_IxSaIxEESaIS1_EE)

; 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::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@vis = external dso_local global [200000 x i64], align 16
@graph = external dso_local global [200000 x %"class.std::unordered_map"], align 16

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfsxxRSt6vectorIS_IxSaIxEESaIS1_EE(i64 noundef %0, i64 noundef %1, ptr noundef nonnull align 8 dereferenceable(24) %2) #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %13 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %14 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %15 = alloca ptr, align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca i64, align 8
  %19 = alloca ptr, align 8
  %20 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca i64, align 8
  store i64 %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !9
  %23 = load i64, ptr %4, align 8, !tbaa !5
  %24 = getelementptr inbounds [200000 x i64], ptr @vis, i64 0, i64 %23
  store i64 1, ptr %24, align 8, !tbaa !5
  %25 = load i64, ptr %5, align 8, !tbaa !5
  %26 = getelementptr inbounds [200000 x i64], ptr @vis, i64 0, i64 %25
  store i64 1, ptr %26, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #4
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #4
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %27 = load i64, ptr %4, align 8, !tbaa !5
  %28 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %27
  %29 = invoke ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE4findERS4_(ptr noundef nonnull align 8 dereferenceable(56) %28, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %30 unwind label %49

30:                                               ; preds = %3
  %31 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %9, i32 0, i32 0
  %32 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %31, i32 0, i32 0
  store ptr %29, ptr %32, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %33 = load i64, ptr %4, align 8, !tbaa !5
  %34 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %33
  %35 = call ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %34) #4
  %36 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %12, i32 0, i32 0
  %37 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %36, i32 0, i32 0
  store ptr %35, ptr %37, align 8
  %38 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKxxELb1EEES6_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  br i1 %38, label %39, label %57

39:                                               ; preds = %30
  %40 = load ptr, ptr %6, align 8, !tbaa !9
  %41 = load i64, ptr %4, align 8, !tbaa !5
  %42 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %41
  %43 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEEixERS4_(ptr noundef nonnull align 8 dereferenceable(56) %42, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %44 unwind label %53

44:                                               ; preds = %39
  %45 = load i64, ptr %43, align 8, !tbaa !5
  %46 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %40, i64 noundef %45) #4
  %47 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIxSaIxEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 8 dereferenceable(24) %46)
          to label %48 unwind label %53

48:                                               ; preds = %44
  br label %57

49:                                               ; preds = %3
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %10, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  br label %139

53:                                               ; preds = %88, %84, %75, %70, %44, %39
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %10, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %11, align 4
  br label %139

57:                                               ; preds = %48, %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %58 = load i64, ptr %5, align 8, !tbaa !5
  %59 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %58
  %60 = invoke ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE4findERS4_(ptr noundef nonnull align 8 dereferenceable(56) %59, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %61 unwind label %80

61:                                               ; preds = %57
  %62 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %13, i32 0, i32 0
  %63 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %62, i32 0, i32 0
  store ptr %60, ptr %63, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %64 = load i64, ptr %5, align 8, !tbaa !5
  %65 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %64
  %66 = call ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %65) #4
  %67 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %14, i32 0, i32 0
  %68 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %67, i32 0, i32 0
  store ptr %66, ptr %68, align 8
  %69 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKxxELb1EEES6_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  br i1 %69, label %70, label %84

70:                                               ; preds = %61
  %71 = load ptr, ptr %6, align 8, !tbaa !9
  %72 = load i64, ptr %5, align 8, !tbaa !5
  %73 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %72
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEEixERS4_(ptr noundef nonnull align 8 dereferenceable(56) %73, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %75 unwind label %53

75:                                               ; preds = %70
  %76 = load i64, ptr %74, align 8, !tbaa !5
  %77 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %71, i64 noundef %76) #4
  %78 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIxSaIxEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(24) %77)
          to label %79 unwind label %53

79:                                               ; preds = %75
  br label %84

80:                                               ; preds = %57
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %10, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  br label %139

84:                                               ; preds = %79, %61
  %85 = load i64, ptr %4, align 8, !tbaa !5
  %86 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %85
  %87 = invoke noundef i64 @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE5eraseERS4_(ptr noundef nonnull align 8 dereferenceable(56) %86, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %88 unwind label %53

88:                                               ; preds = %84
  %89 = load i64, ptr %5, align 8, !tbaa !5
  %90 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %89
  %91 = invoke noundef i64 @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE5eraseERS4_(ptr noundef nonnull align 8 dereferenceable(56) %90, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %92 unwind label %53

92:                                               ; preds = %88
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  store ptr %7, ptr %15, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  %93 = load ptr, ptr %15, align 8, !tbaa !9
  %94 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %93) #4
  %95 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %94, ptr %95, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  %96 = load ptr, ptr %15, align 8, !tbaa !9
  %97 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %96) #4
  %98 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %97, ptr %98, align 8
  br label %99

99:                                               ; preds = %109, %92
  %100 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull align 8 dereferenceable(8) %17) #4
  br i1 %100, label %102, label %101

101:                                              ; preds = %99
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  br label %115

102:                                              ; preds = %99
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #4
  %103 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %16) #4
  %104 = load i64, ptr %103, align 8, !tbaa !5
  store i64 %104, ptr %18, align 8, !tbaa !5
  %105 = load i64, ptr %18, align 8, !tbaa !5
  %106 = load i64, ptr %5, align 8, !tbaa !5
  %107 = load ptr, ptr %6, align 8, !tbaa !9
  invoke void @_Z3dfsxxRSt6vectorIS_IxSaIxEESaIS1_EE(i64 noundef %105, i64 noundef %106, ptr noundef nonnull align 8 dereferenceable(24) %107)
          to label %108 unwind label %111

108:                                              ; preds = %102
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  br label %109

109:                                              ; preds = %108
  %110 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %16) #4
  br label %99

111:                                              ; preds = %102
  %112 = landingpad { ptr, i32 }
          cleanup
  %113 = extractvalue { ptr, i32 } %112, 0
  store ptr %113, ptr %10, align 8
  %114 = extractvalue { ptr, i32 } %112, 1
  store i32 %114, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  br label %139

115:                                              ; preds = %101
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #4
  store ptr %8, ptr %19, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #4
  %116 = load ptr, ptr %19, align 8, !tbaa !9
  %117 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %116) #4
  %118 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  store ptr %117, ptr %118, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #4
  %119 = load ptr, ptr %19, align 8, !tbaa !9
  %120 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %119) #4
  %121 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %120, ptr %121, align 8
  br label %122

122:                                              ; preds = %132, %115
  %123 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %20, ptr noundef nonnull align 8 dereferenceable(8) %21) #4
  br i1 %123, label %125, label %124

124:                                              ; preds = %122
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  br label %138

125:                                              ; preds = %122
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #4
  %126 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %20) #4
  %127 = load i64, ptr %126, align 8, !tbaa !5
  store i64 %127, ptr %22, align 8, !tbaa !5
  %128 = load i64, ptr %4, align 8, !tbaa !5
  %129 = load i64, ptr %22, align 8, !tbaa !5
  %130 = load ptr, ptr %6, align 8, !tbaa !9
  invoke void @_Z3dfsxxRSt6vectorIS_IxSaIxEESaIS1_EE(i64 noundef %128, i64 noundef %129, ptr noundef nonnull align 8 dereferenceable(24) %130)
          to label %131 unwind label %134

131:                                              ; preds = %125
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #4
  br label %132

132:                                              ; preds = %131
  %133 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %20) #4
  br label %122

134:                                              ; preds = %125
  %135 = landingpad { ptr, i32 }
          cleanup
  %136 = extractvalue { ptr, i32 } %135, 0
  store ptr %136, ptr %10, align 8
  %137 = extractvalue { ptr, i32 } %135, 1
  store i32 %137, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  br label %139

138:                                              ; preds = %124
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #4
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #4
  ret void

139:                                              ; preds = %134, %111, %80, %53, %49
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #4
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #4
  br label %140

140:                                              ; preds = %139
  %141 = load ptr, ptr %10, align 8
  %142 = load i32, ptr %11, align 4
  %143 = insertvalue { ptr, i32 } poison, ptr %141, 0
  %144 = insertvalue { ptr, i32 } %143, i32 %142, 1
  resume { ptr, i32 } %144
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKxxELb1EEES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE4findERS4_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEEixERS4_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIxSaIxEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE5eraseERS4_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}


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

%"class.std::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@vis = external dso_local local_unnamed_addr global [200000 x i64], align 16
@graph = external dso_local global [200000 x %"class.std::unordered_map"], align 16

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfsxxRSt6vectorIS_IxSaIxEESaIS1_EE(i64 noundef %0, i64 noundef %1, ptr noundef nonnull align 8 dereferenceable(24) %2) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %9 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %10 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %11 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i64 %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !5
  %16 = getelementptr inbounds [200000 x i64], ptr @vis, i64 0, i64 %0
  store i64 1, ptr %16, align 8, !tbaa !5
  %17 = getelementptr inbounds [200000 x i64], ptr @vis, i64 0, i64 %1
  store i64 1, ptr %17, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #4
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #4
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %18 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %0
  %19 = invoke ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE4findERS4_(ptr noundef nonnull align 8 dereferenceable(56) %18, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %20 unwind label %29

20:                                               ; preds = %3
  store ptr %19, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  %21 = call ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %18) #4
  store ptr %21, ptr %9, align 8
  %22 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKxxELb1EEES6_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  br i1 %22, label %23, label %33

23:                                               ; preds = %20
  %24 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEEixERS4_(ptr noundef nonnull align 8 dereferenceable(56) %18, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %25 unwind label %31

25:                                               ; preds = %23
  %26 = load i64, ptr %24, align 8, !tbaa !5
  %27 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %26) #4
  %28 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIxSaIxEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(24) %27)
          to label %33 unwind label %31

29:                                               ; preds = %3
  %30 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  br label %83

31:                                               ; preds = %56, %52, %46, %42, %25, %23
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %83

33:                                               ; preds = %25, %20
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  %34 = load i64, ptr %5, align 8, !tbaa !5
  %35 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %34
  %36 = invoke ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE4findERS4_(ptr noundef nonnull align 8 dereferenceable(56) %35, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %37 unwind label %50

37:                                               ; preds = %33
  store ptr %36, ptr %10, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  %38 = load i64, ptr %5, align 8, !tbaa !5
  %39 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %38
  %40 = call ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %39) #4
  store ptr %40, ptr %11, align 8
  %41 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKxxELb1EEES6_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  br i1 %41, label %42, label %52

42:                                               ; preds = %37
  %43 = load i64, ptr %5, align 8, !tbaa !5
  %44 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %43
  %45 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEEixERS4_(ptr noundef nonnull align 8 dereferenceable(56) %44, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %46 unwind label %31

46:                                               ; preds = %42
  %47 = load i64, ptr %45, align 8, !tbaa !5
  %48 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %47) #4
  %49 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIxSaIxEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 8 dereferenceable(24) %48)
          to label %52 unwind label %31

50:                                               ; preds = %33
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  br label %83

52:                                               ; preds = %46, %37
  %53 = load i64, ptr %4, align 8, !tbaa !5
  %54 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %53
  %55 = invoke noundef i64 @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE5eraseERS4_(ptr noundef nonnull align 8 dereferenceable(56) %54, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %56 unwind label %31

56:                                               ; preds = %52
  %57 = load i64, ptr %5, align 8, !tbaa !5
  %58 = getelementptr inbounds [200000 x %"class.std::unordered_map"], ptr @graph, i64 0, i64 %57
  %59 = invoke noundef i64 @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE5eraseERS4_(ptr noundef nonnull align 8 dereferenceable(56) %58, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %60 unwind label %31

60:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #4
  %61 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  store ptr %61, ptr %12, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #4
  %62 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  store ptr %62, ptr %13, align 8
  %63 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  br i1 %63, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %70, %60
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #4
  %64 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  store ptr %64, ptr %14, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %15) #4
  %65 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  store ptr %65, ptr %15, align 8
  %66 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef nonnull align 8 dereferenceable(8) %15) #4
  br i1 %66, label %.lr.ph14, label %._crit_edge15

.lr.ph:                                           ; preds = %60, %70
  %67 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #4
  %68 = load i64, ptr %67, align 8, !tbaa !5
  %69 = load i64, ptr %5, align 8, !tbaa !5
  invoke void @_Z3dfsxxRSt6vectorIS_IxSaIxEESaIS1_EE(i64 noundef %68, i64 noundef %69, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %70 unwind label %73

70:                                               ; preds = %.lr.ph
  %71 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #4
  %72 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  br i1 %72, label %.lr.ph, label %._crit_edge

73:                                               ; preds = %.lr.ph
  %74 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #4
  br label %83

._crit_edge15:                                    ; preds = %78, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #4
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #4
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #4
  ret void

.lr.ph14:                                         ; preds = %._crit_edge, %78
  %75 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  %76 = load i64, ptr %75, align 8, !tbaa !5
  %77 = load i64, ptr %4, align 8, !tbaa !5
  invoke void @_Z3dfsxxRSt6vectorIS_IxSaIxEESaIS1_EE(i64 noundef %77, i64 noundef %76, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %78 unwind label %81

78:                                               ; preds = %.lr.ph14
  %79 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  %80 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef nonnull align 8 dereferenceable(8) %15) #4
  br i1 %80, label %.lr.ph14, label %._crit_edge15

81:                                               ; preds = %.lr.ph14
  %82 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #4
  br label %83

83:                                               ; preds = %81, %73, %50, %31, %29
  %.pn = phi { ptr, i32 } [ %74, %73 ], [ %82, %81 ], [ %32, %31 ], [ %51, %50 ], [ %30, %29 ]
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #4
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #4
  resume { ptr, i32 } %.pn
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKxxELb1EEES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE4findERS4_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEEixERS4_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIxSaIxEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt13unordered_mapIxx11custom_hashSt8equal_toIxESaISt4pairIKxxEEE5eraseERS4_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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