; LLVM IR from TheAlgorithms/C-Plus-Plus :: graph (depth_first_search_with_stack)

; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<unsigned long>, std::allocator<std::vector<unsigned long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<unsigned long>, std::allocator<std::vector<unsigned long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<unsigned long>, std::allocator<std::vector<unsigned long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<unsigned long>, std::allocator<std::vector<unsigned long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator.5" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [22 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [52 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [34 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5graph18depth_first_search7addEdgeEPSt6vectorIS1_ImSaImEESaIS3_EEmm(ptr noundef, i64 noundef, i64 noundef) #0

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5graph18depth_first_search3dfsERKSt6vectorIS1_ImSaImEESaIS3_EEm(ptr dead_on_unwind noalias writable sret(%"class.std::vector.0") align 8, ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorImSaImEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::vector.0", align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca %"class.std::vector.0", align 8
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca %"class.std::vector.0", align 8
  %14 = alloca ptr, align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %17 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @_ZL5testsv()
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #7
  store i64 0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #7
  store i64 0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #7
  store i64 1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #7
  call void @_ZNSt6vectorImSaImEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  %18 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %19 unwind label %44

19:                                               ; preds = %0
  %20 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERm(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %21 unwind label %44

21:                                               ; preds = %19
  %22 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %23 unwind label %44

23:                                               ; preds = %21
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERm(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %25 unwind label %44

25:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #7
  %26 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #7
  call void @llvm.memset.p0.i64(ptr align 8 %9, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorImSaImEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #7
  call void @_ZNSaISt6vectorImSaImEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  invoke void @_ZNSt6vectorIS_ImSaImEESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %26, ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %27 unwind label %48

27:                                               ; preds = %25
  call void @_ZNSt15__new_allocatorISt6vectorImSaImEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #7
  %28 = 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 %29 unwind label %52

29:                                               ; preds = %27
  %30 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %28, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %31 unwind label %52

31:                                               ; preds = %29
  br label %32

32:                                               ; preds = %43, %31
  %33 = load i64, ptr %3, align 8, !tbaa !5
  %34 = add i64 %33, -1
  store i64 %34, ptr %3, align 8, !tbaa !5
  %35 = icmp ne i64 %33, 0
  br i1 %35, label %36, label %60

36:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #7
  store i64 0, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #7
  store i64 0, ptr %12, align 8, !tbaa !5
  %37 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERm(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %11)
          to label %38 unwind label %56

38:                                               ; preds = %36
  %39 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERm(ptr noundef nonnull align 8 dereferenceable(16) %37, ptr noundef nonnull align 8 dereferenceable(8) %12)
          to label %40 unwind label %56

40:                                               ; preds = %38
  %41 = load i64, ptr %11, align 8, !tbaa !5
  %42 = load i64, ptr %12, align 8, !tbaa !5
  invoke void @_ZN5graph18depth_first_search7addEdgeEPSt6vectorIS1_ImSaImEESaIS3_EEmm(ptr noundef %8, i64 noundef %41, i64 noundef %42)
          to label %43 unwind label %56

43:                                               ; preds = %40
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  br label %32, !llvm.loop !9

44:                                               ; preds = %23, %21, %19, %0
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %6, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %7, align 4
  br label %103

48:                                               ; preds = %25
  %49 = landingpad { ptr, i32 }
          cleanup
  %50 = extractvalue { ptr, i32 } %49, 0
  store ptr %50, ptr %6, align 8
  %51 = extractvalue { ptr, i32 } %49, 1
  store i32 %51, ptr %7, align 4
  call void @_ZNSt15__new_allocatorISt6vectorImSaImEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #7
  br label %102

52:                                               ; preds = %64, %62, %60, %29, %27
  %53 = landingpad { ptr, i32 }
          cleanup
  %54 = extractvalue { ptr, i32 } %53, 0
  store ptr %54, ptr %6, align 8
  %55 = extractvalue { ptr, i32 } %53, 1
  store i32 %55, ptr %7, align 4
  br label %101

56:                                               ; preds = %40, %38, %36
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %6, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  br label %101

60:                                               ; preds = %32
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
          to label %62 unwind label %52

62:                                               ; preds = %60
  %63 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %61, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %64 unwind label %52

64:                                               ; preds = %62
  %65 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERm(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %66 unwind label %52

66:                                               ; preds = %64
  %67 = load i64, ptr %4, align 8, !tbaa !5
  %68 = sub i64 %67, 1
  store i64 %68, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %13) #7
  %69 = load i64, ptr %4, align 8, !tbaa !5
  invoke void @_ZN5graph18depth_first_search3dfsERKSt6vectorIS1_ImSaImEESaIS3_EEm(ptr dead_on_unwind writable sret(%"class.std::vector.0") align 8 %13, ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %69)
          to label %70 unwind label %81

70:                                               ; preds = %66
  %71 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorImSaImEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %13) #7
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  store ptr %5, ptr %14, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  %72 = load ptr, ptr %14, align 8, !tbaa !11
  %73 = call ptr @_ZNSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %72) #7
  %74 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %15, i32 0, i32 0
  store ptr %73, ptr %74, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #7
  %75 = load ptr, ptr %14, align 8, !tbaa !11
  %76 = call ptr @_ZNSt6vectorImSaImEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %75) #7
  %77 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %16, i32 0, i32 0
  store ptr %76, ptr %77, align 8
  br label %78

78:                                               ; preds = %93, %70
  %79 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPmSt6vectorImSaImEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #7
  br i1 %79, label %85, label %80

80:                                               ; preds = %78
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  br label %99

81:                                               ; preds = %66
  %82 = landingpad { ptr, i32 }
          cleanup
  %83 = extractvalue { ptr, i32 } %82, 0
  store ptr %83, ptr %6, align 8
  %84 = extractvalue { ptr, i32 } %82, 1
  store i32 %84, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #7
  br label %101

85:                                               ; preds = %78
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #7
  %86 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #7
  %87 = load i64, ptr %86, align 8, !tbaa !5
  store i64 %87, ptr %17, align 8, !tbaa !5
  %88 = load i64, ptr %17, align 8, !tbaa !5
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %88)
          to label %90 unwind label %95

90:                                               ; preds = %85
  %91 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %89, i8 noundef signext 32)
          to label %92 unwind label %95

92:                                               ; preds = %90
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  br label %93

93:                                               ; preds = %92
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #7
  br label %78

95:                                               ; preds = %90, %85
  %96 = landingpad { ptr, i32 }
          cleanup
  %97 = extractvalue { ptr, i32 } %96, 0
  store ptr %97, ptr %6, align 8
  %98 = extractvalue { ptr, i32 } %96, 1
  store i32 %98, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  br label %101

99:                                               ; preds = %80
  store i32 0, ptr %1, align 4
  call void @_ZNSt6vectorIS_ImSaImEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #7
  %100 = load i32, ptr %1, align 4
  ret i32 %100

101:                                              ; preds = %95, %81, %56, %52
  call void @_ZNSt6vectorIS_ImSaImEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  br label %102

102:                                              ; preds = %101, %48
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  br label %103

103:                                              ; preds = %102, %44
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #7
  br label %104

104:                                              ; preds = %103
  %105 = load ptr, ptr %6, align 8
  %106 = load i32, ptr %7, align 4
  %107 = insertvalue { ptr, i32 } poison, ptr %105, 0
  %108 = insertvalue { ptr, i32 } %107, i32 %106, 1
  resume { ptr, i32 } %108
}

; Function Attrs: mustprogress uwtable
declare hidden void @_ZL5testsv() #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) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERm(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorImSaImEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ImSaImEESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 1 dereferenceable(1)) 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) #0 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)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorImSaImEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorImSaImEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPmSt6vectorImSaImEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_ImSaImEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorImSaImEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { 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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #6 = { 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 #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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"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::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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<unsigned long>, std::allocator<std::vector<unsigned long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<unsigned long>, std::allocator<std::vector<unsigned long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<unsigned long>, std::allocator<std::vector<unsigned long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<unsigned long>, std::allocator<std::vector<unsigned long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator.5" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [22 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [52 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [34 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5graph18depth_first_search7addEdgeEPSt6vectorIS1_ImSaImEESaIS3_EEmm(ptr noundef, i64 noundef, i64 noundef) local_unnamed_addr #0

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5graph18depth_first_search3dfsERKSt6vectorIS1_ImSaImEESaIS3_EEm(ptr dead_on_unwind noalias writable sret(%"class.std::vector.0") align 8, ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorImSaImEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::vector.0", align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::vector.0", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca %"class.std::vector.0", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  tail call void @_ZL5testsv()
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  store i64 0, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #7
  store i64 0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  store i64 1, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #7
  call void @_ZNSt6vectorImSaImEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  %13 = 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)
          to label %14 unwind label %37

14:                                               ; preds = %0
  %15 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERm(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
          to label %16 unwind label %37

16:                                               ; preds = %14
  %17 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
          to label %18 unwind label %37

18:                                               ; preds = %16
  %19 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERm(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %20 unwind label %37

20:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #7
  %21 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #7
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %6, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorImSaImEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #7
  call void @_ZNSaISt6vectorImSaImEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  invoke void @_ZNSt6vectorIS_ImSaImEESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %21, ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %22 unwind label %39

22:                                               ; preds = %20
  call void @_ZNSt15__new_allocatorISt6vectorImSaImEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #7
  %23 = 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 %24 unwind label %41

24:                                               ; preds = %22
  %25 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %23, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader unwind label %41

.preheader:                                       ; preds = %24
  %26 = load i64, ptr %2, align 8, !tbaa !5
  %27 = add i64 %26, -1
  store i64 %27, ptr %2, align 8, !tbaa !5
  %.not11 = icmp eq i64 %26, 0
  br i1 %.not11, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %34
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #7
  store i64 0, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #7
  store i64 0, ptr %9, align 8, !tbaa !5
  %28 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERm(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %29 unwind label %43

29:                                               ; preds = %.lr.ph
  %30 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERm(ptr noundef nonnull align 8 dereferenceable(16) %28, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %31 unwind label %43

31:                                               ; preds = %29
  %32 = load i64, ptr %8, align 8, !tbaa !5
  %33 = load i64, ptr %9, align 8, !tbaa !5
  invoke void @_ZN5graph18depth_first_search7addEdgeEPSt6vectorIS1_ImSaImEESaIS3_EEmm(ptr noundef nonnull %5, i64 noundef %32, i64 noundef %33)
          to label %34 unwind label %43

34:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #7
  %35 = load i64, ptr %2, align 8, !tbaa !5
  %36 = add i64 %35, -1
  store i64 %36, ptr %2, align 8, !tbaa !5
  %.not = icmp eq i64 %35, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

37:                                               ; preds = %18, %16, %14, %0
  %38 = landingpad { ptr, i32 }
          cleanup
  br label %72

39:                                               ; preds = %20
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt6vectorImSaImEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #7
  br label %71

41:                                               ; preds = %48, %46, %._crit_edge, %24, %22
  %42 = landingpad { ptr, i32 }
          cleanup
  br label %70

43:                                               ; preds = %31, %29, %.lr.ph
  %44 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #7
  br label %70

._crit_edge:                                      ; preds = %34, %.preheader
  %45 = 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.3)
          to label %46 unwind label %41

46:                                               ; preds = %._crit_edge
  %47 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %45, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %48 unwind label %41

48:                                               ; preds = %46
  %49 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERm(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %50 unwind label %41

50:                                               ; preds = %48
  %51 = load i64, ptr %3, align 8, !tbaa !5
  %52 = add i64 %51, -1
  store i64 %52, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %10) #7
  invoke void @_ZN5graph18depth_first_search3dfsERKSt6vectorIS1_ImSaImEESaIS3_EEm(ptr dead_on_unwind nonnull writable sret(%"class.std::vector.0") align 8 %10, ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %52)
          to label %53 unwind label %58

53:                                               ; preds = %50
  %54 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorImSaImEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #7
  %55 = call ptr @_ZNSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  store ptr %55, ptr %11, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #7
  %56 = call ptr @_ZNSt6vectorImSaImEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  store ptr %56, ptr %12, align 8
  %57 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPmSt6vectorImSaImEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #7
  br i1 %57, label %.lr.ph13, label %._crit_edge14

._crit_edge14:                                    ; preds = %65, %53
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  call void @_ZNSt6vectorIS_ImSaImEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  ret i32 0

58:                                               ; preds = %50
  %59 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #7
  br label %70

.lr.ph13:                                         ; preds = %53, %65
  %60 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #7
  %61 = load i64, ptr %60, align 8, !tbaa !5
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %61)
          to label %63 unwind label %68

63:                                               ; preds = %.lr.ph13
  %64 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %62, i8 noundef signext 32)
          to label %65 unwind label %68

65:                                               ; preds = %63
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #7
  %67 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPmSt6vectorImSaImEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #7
  br i1 %67, label %.lr.ph13, label %._crit_edge14

68:                                               ; preds = %63, %.lr.ph13
  %69 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  br label %70

70:                                               ; preds = %68, %58, %43, %41
  %.pn = phi { ptr, i32 } [ %44, %43 ], [ %69, %68 ], [ %59, %58 ], [ %42, %41 ]
  call void @_ZNSt6vectorIS_ImSaImEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  br label %71

71:                                               ; preds = %70, %39
  %.pn.pn = phi { ptr, i32 } [ %.pn, %70 ], [ %40, %39 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  br label %72

72:                                               ; preds = %71, %37
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %71 ], [ %38, %37 ]
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn.pn
}

; Function Attrs: mustprogress uwtable
declare hidden void @_ZL5testsv() 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 #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERm(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorImSaImEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ImSaImEESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 1 dereferenceable(1)) 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 #0 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)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorImSaImEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorImSaImEE3endEv(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_cxxneIPmSt6vectorImSaImEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_ImSaImEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorImSaImEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { 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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #6 = { 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 #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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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