; LLVM IR from ncduy0303/Competitive-Programming :: Graphs/Strongly Connected Components (SSCs)/Advanced example.ll (Z5solvev)

; 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 }

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@scc = external dso_local global i32, align 4
@arr = external dso_local global [100001 x i32], align 16
@comp = external dso_local global [100001 x i32], align 16
@adj = external dso_local global [2 x [100001 x %"class.std::vector"]], align 16
@new_adj = external dso_local global [100001 x %"class.std::vector"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 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)) #2

; 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)) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; 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)) #1 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)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8kosarajuv() #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z4dfs2i(i32 noundef) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #3 {
  %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 ptr, align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca i32, align 4
  %11 = alloca i64, align 8
  %12 = alloca i32, align 4
  %13 = alloca i64, align 8
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) @m)
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #6
  store i32 1, ptr %1, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %26, %0
  %17 = load i32, ptr %1, align 4, !tbaa !5
  %18 = load i32, ptr @n, align 4, !tbaa !5
  %19 = icmp sle i32 %17, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  br label %29

21:                                               ; preds = %16
  %22 = load i32, ptr %1, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [100001 x i32], ptr @arr, i64 0, i64 %23
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %24)
  br label %26

26:                                               ; preds = %21
  %27 = load i32, ptr %1, align 4, !tbaa !5
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %1, align 4, !tbaa !5
  br label %16, !llvm.loop !9

29:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %30

30:                                               ; preds = %44, %29
  %31 = load i32, ptr %2, align 4, !tbaa !5
  %32 = load i32, ptr @m, align 4, !tbaa !5
  %33 = icmp slt i32 %31, %32
  br i1 %33, label %35, label %34

34:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %47

35:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  %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) %3)
  %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) %4)
  %38 = load i32, ptr %3, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @adj, i64 0, i64 %39
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %40, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %41 = load i32, ptr %4, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds [100001 x %"class.std::vector"], ptr getelementptr inbounds ([2 x [100001 x %"class.std::vector"]], ptr @adj, i64 0, i64 1), i64 0, i64 %42
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %43, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %44

44:                                               ; preds = %35
  %45 = load i32, ptr %2, align 4, !tbaa !5
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %2, align 4, !tbaa !5
  br label %30, !llvm.loop !11

47:                                               ; preds = %34
  call void @_Z8kosarajuv()
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 1, ptr %5, align 4, !tbaa !5
  br label %48

48:                                               ; preds = %92, %47
  %49 = load i32, ptr %5, align 4, !tbaa !5
  %50 = load i32, ptr @n, align 4, !tbaa !5
  %51 = icmp sle i32 %49, %50
  br i1 %51, label %53, label %52

52:                                               ; preds = %48
  store i32 8, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %95

53:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %54 = load i32, ptr %5, align 4, !tbaa !5
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @adj, i64 0, i64 %55
  store ptr %56, ptr %7, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %57 = load ptr, ptr %7, align 8, !tbaa !12
  %58 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %57) #6
  %59 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %58, ptr %59, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %60 = load ptr, ptr %7, align 8, !tbaa !12
  %61 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %60) #6
  %62 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %61, ptr %62, align 8
  br label %63

63:                                               ; preds = %89, %53
  %64 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  br i1 %64, label %66, label %65

65:                                               ; preds = %63
  store i32 11, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %91

66:                                               ; preds = %63
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  %67 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  %68 = load i32, ptr %67, align 4, !tbaa !5
  store i32 %68, ptr %10, align 4, !tbaa !5
  %69 = load i32, ptr %5, align 4, !tbaa !5
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds [100001 x i32], ptr @comp, i64 0, i64 %70
  %72 = load i32, ptr %71, align 4, !tbaa !5
  %73 = load i32, ptr %10, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds [100001 x i32], ptr @comp, i64 0, i64 %74
  %76 = load i32, ptr %75, align 4, !tbaa !5
  %77 = icmp ne i32 %72, %76
  br i1 %77, label %78, label %88

78:                                               ; preds = %66
  %79 = load i32, ptr %5, align 4, !tbaa !5
  %80 = sext i32 %79 to i64
  %81 = getelementptr inbounds [100001 x i32], ptr @comp, i64 0, i64 %80
  %82 = load i32, ptr %81, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @new_adj, i64 0, i64 %83
  %85 = load i32, ptr %10, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = getelementptr inbounds [100001 x i32], ptr @comp, i64 0, i64 %86
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %84, ptr noundef nonnull align 4 dereferenceable(4) %87)
  br label %88

88:                                               ; preds = %78, %66
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %89

89:                                               ; preds = %88
  %90 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  br label %63

91:                                               ; preds = %65
  br label %92

92:                                               ; preds = %91
  %93 = load i32, ptr %5, align 4, !tbaa !5
  %94 = add nsw i32 %93, 1
  store i32 %94, ptr %5, align 4, !tbaa !5
  br label %48, !llvm.loop !14

95:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  store i64 0, ptr %11, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 1, ptr %12, align 4, !tbaa !5
  br label %96

96:                                               ; preds = %106, %95
  %97 = load i32, ptr %12, align 4, !tbaa !5
  %98 = load i32, ptr @scc, align 4, !tbaa !5
  %99 = icmp sle i32 %97, %98
  br i1 %99, label %101, label %100

100:                                              ; preds = %96
  store i32 13, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %109

101:                                              ; preds = %96
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  %102 = load i32, ptr %12, align 4, !tbaa !5
  %103 = call noundef i64 @_Z4dfs2i(i32 noundef %102)
  store i64 %103, ptr %13, align 8, !tbaa !15
  %104 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %13)
  %105 = load i64, ptr %104, align 8, !tbaa !15
  store i64 %105, ptr %11, align 8, !tbaa !15
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %106

106:                                              ; preds = %101
  %107 = load i32, ptr %12, align 4, !tbaa !5
  %108 = add nsw i32 %107, 1
  store i32 %108, ptr %12, align 4, !tbaa !5
  br label %96, !llvm.loop !17

109:                                              ; preds = %100
  %110 = load i64, ptr %11, align 8, !tbaa !15
  %111 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %110)
  %112 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %111, ptr noundef @.str)
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  ret void
}

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

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


; 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 }

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@scc = external dso_local local_unnamed_addr global i32, align 4
@arr = external dso_local global [100001 x i32], align 16
@comp = external dso_local global [100001 x i32], align 16
@adj = external dso_local global [2 x [100001 x %"class.std::vector"]], align 16
@new_adj = external dso_local global [100001 x %"class.std::vector"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 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 #2

; 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 #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; 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 #1 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 #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8kosarajuv() local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z4dfs2i(i32 noundef) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %8 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 4 dereferenceable(4) @m)
  %9 = load i32, ptr @n, align 4, !tbaa !5
  %.not23 = icmp slt i32 %9, 1
  br i1 %.not23, label %.preheader, label %.lr.ph

.preheader:                                       ; preds = %.lr.ph, %0
  %10 = load i32, ptr @m, align 4, !tbaa !5
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph26, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 1, %0 ]
  %12 = getelementptr inbounds [100001 x i32], ptr @arr, i64 0, i64 %indvars.iv
  %13 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %12)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %14 = load i32, ptr @n, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %.not.not = icmp slt i64 %indvars.iv, %15
  br i1 %.not.not, label %.lr.ph, label %.preheader, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph26, %.preheader
  call void @_Z8kosarajuv()
  %16 = load i32, ptr @n, align 4, !tbaa !5
  %.not2030 = icmp slt i32 %16, 1
  br i1 %.not2030, label %._crit_edge34, label %.lr.ph33

.lr.ph26:                                         ; preds = %.preheader, %.lr.ph26
  %.01725 = phi i32 [ %25, %.lr.ph26 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %17 = 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)
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %17, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %19 = load i32, ptr %1, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @adj, i64 0, i64 %20
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %21, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [100001 x %"class.std::vector"], ptr getelementptr inbounds (i8, ptr @adj, i64 2400024), i64 0, i64 %23
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %24, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  %25 = add nuw nsw i32 %.01725, 1
  %26 = load i32, ptr @m, align 4, !tbaa !5
  %27 = icmp slt i32 %25, %26
  br i1 %27, label %.lr.ph26, label %._crit_edge, !llvm.loop !11

._crit_edge34:                                    ; preds = %._crit_edge29, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  store i64 0, ptr %5, align 8, !tbaa !12
  %28 = load i32, ptr @scc, align 4, !tbaa !5
  %.not2135 = icmp slt i32 %28, 1
  br i1 %.not2135, label %._crit_edge39, label %.lr.ph38

.lr.ph33:                                         ; preds = %._crit_edge, %._crit_edge29
  %indvars.iv41 = phi i64 [ %indvars.iv.next42, %._crit_edge29 ], [ 1, %._crit_edge ]
  %29 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @adj, i64 0, i64 %indvars.iv41
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  %30 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #6
  store ptr %30, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  %31 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #6
  store ptr %31, ptr %4, align 8
  %32 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #6
  br i1 %32, label %.lr.ph28, label %._crit_edge29

.lr.ph28:                                         ; preds = %.lr.ph33
  %33 = getelementptr inbounds [100001 x i32], ptr @comp, i64 0, i64 %indvars.iv41
  br label %36

._crit_edge29:                                    ; preds = %46, %.lr.ph33
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  %indvars.iv.next42 = add nuw nsw i64 %indvars.iv41, 1
  %34 = load i32, ptr @n, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %.not20.not = icmp slt i64 %indvars.iv41, %35
  br i1 %.not20.not, label %.lr.ph33, label %._crit_edge34, !llvm.loop !14

36:                                               ; preds = %.lr.ph28, %46
  %37 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #6
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = load i32, ptr %33, align 4, !tbaa !5
  %40 = sext i32 %38 to i64
  %41 = getelementptr inbounds [100001 x i32], ptr @comp, i64 0, i64 %40
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %.not22 = icmp eq i32 %39, %42
  br i1 %.not22, label %46, label %43

43:                                               ; preds = %36
  %44 = sext i32 %39 to i64
  %45 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @new_adj, i64 0, i64 %44
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %45, ptr noundef nonnull align 4 dereferenceable(4) %41)
  br label %46

46:                                               ; preds = %43, %36
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #6
  %48 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #6
  br i1 %48, label %36, label %._crit_edge29

._crit_edge39:                                    ; preds = %.lr.ph38, %._crit_edge34
  %49 = phi i64 [ 0, %._crit_edge34 ], [ %54, %.lr.ph38 ]
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %49)
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %50, ptr noundef nonnull @.str)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  ret void

.lr.ph38:                                         ; preds = %._crit_edge34, %.lr.ph38
  %.036 = phi i32 [ %55, %.lr.ph38 ], [ 1, %._crit_edge34 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %52 = call noundef i64 @_Z4dfs2i(i32 noundef %.036)
  store i64 %52, ptr %6, align 8, !tbaa !12
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6)
  %54 = load i64, ptr %53, align 8, !tbaa !12
  store i64 %54, ptr %5, align 8, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  %55 = add nuw nsw i32 %.036, 1
  %56 = load i32, ptr @scc, align 4, !tbaa !5
  %.not21.not = icmp slt i32 %.036, %56
  br i1 %.not21.not, label %.lr.ph38, label %._crit_edge39, !llvm.loop !15
}

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 #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #3 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

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


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