; LLVM IR from Tunghohin/Competitive_Coding :: Daimayuan (943)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.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.__gnu_cxx::__normal_iterator" = type { ptr }

@G = external dso_local global [100010 x %"class.std::vector"], align 16
@SCC = external dso_local global [100010 x %"class.std::vector"], align 16
@scc_cnt = external dso_local global i32, align 4
@dfn = external dso_local global [100010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6tarjani(i32 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: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #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(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #4 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca ptr, align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %17 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %18 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %19 = getelementptr i8, ptr %18, i64 -24
  %20 = load i64, ptr %19, align 8
  %21 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %20
  %22 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %21, ptr noundef null)
  %23 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %24 = getelementptr i8, ptr %23, i64 -24
  %25 = load i64, ptr %24, align 8
  %26 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %25
  %27 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %26, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  %28 = 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)
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %28, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  store i32 1, ptr %4, align 4, !tbaa !8
  br label %30

30:                                               ; preds = %41, %0
  %31 = load i32, ptr %4, align 4, !tbaa !8
  %32 = load i32, ptr %3, align 4, !tbaa !8
  %33 = icmp sle i32 %31, %32
  br i1 %33, label %35, label %34

34:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  br label %44

35:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  %36 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %37 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %36, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %38 = load i32, ptr %5, align 4, !tbaa !8
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @G, i64 0, i64 %39
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %40, ptr noundef nonnull align 4 dereferenceable(4) %6)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %41

41:                                               ; preds = %35
  %42 = load i32, ptr %4, align 4, !tbaa !8
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %4, align 4, !tbaa !8
  br label %30, !llvm.loop !11

44:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 1, ptr %7, align 4, !tbaa !8
  br label %45

45:                                               ; preds = %59, %44
  %46 = load i32, ptr %7, align 4, !tbaa !8
  %47 = load i32, ptr %2, align 4, !tbaa !8
  %48 = icmp sle i32 %46, %47
  br i1 %48, label %50, label %49

49:                                               ; preds = %45
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %62

50:                                               ; preds = %45
  %51 = load i32, ptr %7, align 4, !tbaa !8
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [100010 x i32], ptr @dfn, i64 0, i64 %52
  %54 = load i32, ptr %53, align 4, !tbaa !8
  %55 = icmp ne i32 %54, 0
  br i1 %55, label %58, label %56

56:                                               ; preds = %50
  %57 = load i32, ptr %7, align 4, !tbaa !8
  call void @_Z6tarjani(i32 noundef %57)
  br label %58

58:                                               ; preds = %56, %50
  br label %59

59:                                               ; preds = %58
  %60 = load i32, ptr %7, align 4, !tbaa !8
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %7, align 4, !tbaa !8
  br label %45, !llvm.loop !13

62:                                               ; preds = %49
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  store i32 1, ptr %8, align 4, !tbaa !8
  br label %63

63:                                               ; preds = %83, %62
  %64 = load i32, ptr %8, align 4, !tbaa !8
  %65 = load i32, ptr @scc_cnt, align 4, !tbaa !8
  %66 = icmp sle i32 %64, %65
  br i1 %66, label %68, label %67

67:                                               ; preds = %63
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %86

68:                                               ; preds = %63
  %69 = load i32, ptr %8, align 4, !tbaa !8
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @SCC, i64 0, i64 %70
  %72 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %71) #7
  %73 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %72, ptr %73, align 8
  %74 = load i32, ptr %8, align 4, !tbaa !8
  %75 = sext i32 %74 to i64
  %76 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @SCC, i64 0, i64 %75
  %77 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %76) #7
  %78 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %77, ptr %78, align 8
  %79 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  %80 = load ptr, ptr %79, align 8
  %81 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  %82 = load ptr, ptr %81, align 8
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %80, ptr %82)
  br label %83

83:                                               ; preds = %68
  %84 = load i32, ptr %8, align 4, !tbaa !8
  %85 = add nsw i32 %84, 1
  store i32 %85, ptr %8, align 4, !tbaa !8
  br label %63, !llvm.loop !14

86:                                               ; preds = %67
  %87 = load i32, ptr @scc_cnt, align 4, !tbaa !8
  %88 = sext i32 %87 to i64
  %89 = getelementptr inbounds %"class.std::vector", ptr getelementptr inbounds (%"class.std::vector", ptr @SCC, i64 1), i64 %88
  call void @_ZSt4sortIPSt6vectorIiSaIiEEEvT_S4_(ptr noundef getelementptr inbounds (%"class.std::vector", ptr @SCC, i64 1), ptr noundef %89)
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  store i32 1, ptr %11, align 4, !tbaa !8
  br label %90

90:                                               ; preds = %118, %86
  %91 = load i32, ptr %11, align 4, !tbaa !8
  %92 = load i32, ptr @scc_cnt, align 4, !tbaa !8
  %93 = icmp sle i32 %91, %92
  br i1 %93, label %95, label %94

94:                                               ; preds = %90
  store i32 11, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %121

95:                                               ; preds = %90
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #7
  %96 = load i32, ptr %11, align 4, !tbaa !8
  %97 = sext i32 %96 to i64
  %98 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @SCC, i64 0, i64 %97
  store ptr %98, ptr %13, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  %99 = load ptr, ptr %13, align 8, !tbaa !15
  %100 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %99) #7
  %101 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %100, ptr %101, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  %102 = load ptr, ptr %13, align 8, !tbaa !15
  %103 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %102) #7
  %104 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %103, ptr %104, align 8
  br label %105

105:                                              ; preds = %114, %95
  %106 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef nonnull align 8 dereferenceable(8) %15) #7
  br i1 %106, label %108, label %107

107:                                              ; preds = %105
  store i32 14, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  br label %116

108:                                              ; preds = %105
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  %109 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #7
  %110 = load i32, ptr %109, align 4, !tbaa !8
  store i32 %110, ptr %16, align 4, !tbaa !8
  %111 = load i32, ptr %16, align 4, !tbaa !8
  %112 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %111)
  %113 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %112, i8 noundef signext 32)
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %114

114:                                              ; preds = %108
  %115 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #7
  br label %105

116:                                              ; preds = %107
  %117 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext 10)
  br label %118

118:                                              ; preds = %116
  %119 = load i32, ptr %11, align 4, !tbaa !8
  %120 = add nsw i32 %119, 1
  store i32 %120, ptr %11, align 4, !tbaa !8
  br label %90, !llvm.loop !17

121:                                              ; preds = %94
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %122 = load i32, ptr %1, align 4
  ret i32 %122
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #2 align 2

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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) #6

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPSt6vectorIiSaIiEEEvT_S4_(ptr noundef, ptr noundef) #6

; 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) #6

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

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 = { 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = !{!16, !16, i64 0}
!16 = !{!"any pointer", !10, i64 0}
!17 = distinct !{!17, !12}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.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.__gnu_cxx::__normal_iterator" = type { ptr }

@G = external dso_local global [100010 x %"class.std::vector"], align 16
@SCC = external dso_local global [100010 x %"class.std::vector"], align 16
@scc_cnt = external dso_local local_unnamed_addr global i32, align 4
@dfn = external dso_local local_unnamed_addr global [100010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6tarjani(i32 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

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

; Function Attrs: 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(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #4 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %8 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %9 = getelementptr i8, ptr %8, i64 -24
  %10 = load i64, ptr %9, align 8
  %11 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %10
  %12 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %11, ptr noundef null)
  %13 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %15
  %17 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %16, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %18 = 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)
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %20 = load i32, ptr %2, align 4, !tbaa !8
  %.not26 = icmp slt i32 %20, 1
  br i1 %.not26, label %.preheader25, label %.lr.ph

.preheader25:                                     ; preds = %.lr.ph, %0
  %21 = load i32, ptr %1, align 4, !tbaa !8
  %.not2128 = icmp slt i32 %21, 1
  br i1 %.not2128, label %.preheader, label %.lr.ph30

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.027 = phi i32 [ %27, %.lr.ph ], [ 1, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %24 = load i32, ptr %3, align 4, !tbaa !8
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @G, i64 0, i64 %25
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %26, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  %27 = add nuw nsw i32 %.027, 1
  %28 = load i32, ptr %2, align 4, !tbaa !8
  %.not.not = icmp slt i32 %.027, %28
  br i1 %.not.not, label %.lr.ph, label %.preheader25, !llvm.loop !11

.preheader:                                       ; preds = %35, %.preheader25
  %29 = load i32, ptr @scc_cnt, align 4, !tbaa !8
  %.not2231 = icmp slt i32 %29, 1
  br i1 %.not2231, label %.preheader.._crit_edge_crit_edge, label %.lr.ph33

.preheader.._crit_edge_crit_edge:                 ; preds = %.preheader
  %.pre50 = sext i32 %29 to i64
  br label %._crit_edge

.lr.ph30:                                         ; preds = %.preheader25, %35
  %30 = phi i32 [ %36, %35 ], [ %21, %.preheader25 ]
  %indvars.iv = phi i64 [ %indvars.iv.next, %35 ], [ 1, %.preheader25 ]
  %31 = getelementptr inbounds [100010 x i32], ptr @dfn, i64 0, i64 %indvars.iv
  %32 = load i32, ptr %31, align 4, !tbaa !8
  %.not24 = icmp eq i32 %32, 0
  br i1 %.not24, label %33, label %35

33:                                               ; preds = %.lr.ph30
  %34 = trunc nuw nsw i64 %indvars.iv to i32
  call void @_Z6tarjani(i32 noundef %34)
  %.pre = load i32, ptr %1, align 4, !tbaa !8
  br label %35

35:                                               ; preds = %.lr.ph30, %33
  %36 = phi i32 [ %30, %.lr.ph30 ], [ %.pre, %33 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %37 = sext i32 %36 to i64
  %.not21.not = icmp slt i64 %indvars.iv, %37
  br i1 %.not21.not, label %.lr.ph30, label %.preheader, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph33, %.preheader.._crit_edge_crit_edge
  %.pre-phi = phi i64 [ %.pre50, %.preheader.._crit_edge_crit_edge ], [ %44, %.lr.ph33 ]
  %38 = getelementptr inbounds %"class.std::vector", ptr getelementptr inbounds (i8, ptr @SCC, i64 24), i64 %.pre-phi
  call void @_ZSt4sortIPSt6vectorIiSaIiEEEvT_S4_(ptr noundef nonnull getelementptr inbounds (i8, ptr @SCC, i64 24), ptr noundef nonnull %38)
  %39 = load i32, ptr @scc_cnt, align 4, !tbaa !8
  %.not2337 = icmp slt i32 %39, 1
  br i1 %.not2337, label %._crit_edge41, label %.lr.ph40

.lr.ph33:                                         ; preds = %.preheader, %.lr.ph33
  %indvars.iv44 = phi i64 [ %indvars.iv.next45, %.lr.ph33 ], [ 1, %.preheader ]
  %40 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @SCC, i64 0, i64 %indvars.iv44
  %41 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %40) #7
  %42 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %40) #7
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %41, ptr %42)
  %indvars.iv.next45 = add nuw nsw i64 %indvars.iv44, 1
  %43 = load i32, ptr @scc_cnt, align 4, !tbaa !8
  %44 = sext i32 %43 to i64
  %.not22.not = icmp slt i64 %indvars.iv44, %44
  br i1 %.not22.not, label %.lr.ph33, label %._crit_edge, !llvm.loop !14

._crit_edge41:                                    ; preds = %._crit_edge36, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

.lr.ph40:                                         ; preds = %._crit_edge, %._crit_edge36
  %indvars.iv47 = phi i64 [ %indvars.iv.next48, %._crit_edge36 ], [ 1, %._crit_edge ]
  %45 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @SCC, i64 0, i64 %indvars.iv47
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  %46 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %45) #7
  store ptr %46, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  %47 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %45) #7
  store ptr %47, ptr %6, align 8
  %48 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #7
  br i1 %48, label %.lr.ph35, label %._crit_edge36

._crit_edge36:                                    ; preds = %.lr.ph35, %.lr.ph40
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext 10)
  %indvars.iv.next48 = add nuw nsw i64 %indvars.iv47, 1
  %50 = load i32, ptr @scc_cnt, align 4, !tbaa !8
  %51 = sext i32 %50 to i64
  %.not23.not = icmp slt i64 %indvars.iv47, %51
  br i1 %.not23.not, label %.lr.ph40, label %._crit_edge41, !llvm.loop !15

.lr.ph35:                                         ; preds = %.lr.ph40, %.lr.ph35
  %52 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  %53 = load i32, ptr %52, align 4, !tbaa !8
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %53)
  %55 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %54, i8 noundef signext 32)
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  %57 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #7
  br i1 %57, label %.lr.ph35, label %._crit_edge36
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #2 align 2

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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #6

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPSt6vectorIiSaIiEEEvT_S4_(ptr noundef, ptr noundef) local_unnamed_addr #6

; 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 #6

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

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 = { 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}


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