; LLVM IR from ShahjalalShohag/code-library :: Graph Theory (Long Path Decomposition)

; 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<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.LongPathDecomposition = type { i32, [100009 x [17 x i32]], [100009 x i32], [100009 x i64], [100009 x i64], [100009 x i32], [100009 x i32], i32, [100009 x i64] }
%"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" }
%"struct.std::array" = type { [2 x i32] }

@g = external dso_local global [100009 x %"class.std::vector"], align 16
@t1 = external dso_local global %struct.LongPathDecomposition, align 8
@t2 = external dso_local global %struct.LongPathDecomposition, align 8
@mx = external dso_local global i64, align 8
@x = external dso_local global i32, align 4
@_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 @_Z3dfsii(i32 noundef, 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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

24:                                               ; preds = %47, %0
  %25 = load i32, ptr %4, align 4, !tbaa !8
  %26 = load i32, ptr %2, align 4, !tbaa !8
  %27 = icmp slt i32 %25, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  br label %50

29:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  %30 = 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)
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %30, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %31, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %33 = load i32, ptr %5, align 4, !tbaa !8
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [100009 x %"class.std::vector"], ptr @g, i64 0, i64 %34
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #7
  %36 = getelementptr inbounds %"struct.std::array", ptr %8, i32 0, i32 0
  %37 = load i32, ptr %6, align 4, !tbaa !8
  store i32 %37, ptr %36, align 4, !tbaa !8
  %38 = getelementptr inbounds i32, ptr %36, i64 1
  %39 = load i32, ptr %7, align 4, !tbaa !8
  store i32 %39, ptr %38, align 4, !tbaa !8
  call void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %35, ptr noundef nonnull align 4 dereferenceable(8) %8)
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  %40 = load i32, ptr %6, align 4, !tbaa !8
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [100009 x %"class.std::vector"], ptr @g, i64 0, i64 %41
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #7
  %43 = getelementptr inbounds %"struct.std::array", ptr %9, i32 0, i32 0
  %44 = load i32, ptr %5, align 4, !tbaa !8
  store i32 %44, ptr %43, align 4, !tbaa !8
  %45 = getelementptr inbounds i32, ptr %43, i64 1
  %46 = load i32, ptr %7, align 4, !tbaa !8
  store i32 %46, ptr %45, align 4, !tbaa !8
  call void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %42, ptr noundef nonnull align 4 dereferenceable(8) %9)
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %47

47:                                               ; preds = %29
  %48 = load i32, ptr %4, align 4, !tbaa !8
  %49 = add nsw i32 %48, 1
  store i32 %49, ptr %4, align 4, !tbaa !8
  br label %24, !llvm.loop !11

50:                                               ; preds = %28
  call void @_Z3dfsii(i32 noundef 1, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  %51 = load i32, ptr @x, align 4, !tbaa !8
  store i32 %51, ptr %10, align 4, !tbaa !8
  store i64 0, ptr @mx, align 8, !tbaa !13
  %52 = load i32, ptr @x, align 4, !tbaa !8
  call void @_Z3dfsii(i32 noundef %52, i32 noundef 0)
  %53 = load i32, ptr %2, align 4, !tbaa !8
  %54 = load i32, ptr @x, align 4, !tbaa !8
  call void @_ZN21LongPathDecomposition5buildEii(ptr noundef nonnull align 8 dereferenceable(10400952) @t1, i32 noundef %53, i32 noundef %54)
  %55 = load i32, ptr %2, align 4, !tbaa !8
  %56 = load i32, ptr %10, align 4, !tbaa !8
  call void @_ZN21LongPathDecomposition5buildEii(ptr noundef nonnull align 8 dereferenceable(10400952) @t2, i32 noundef %55, i32 noundef %56)
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #7
  store i64 0, ptr %11, align 8, !tbaa !13
  br label %57

57:                                               ; preds = %61, %50
  %58 = load i32, ptr %3, align 4, !tbaa !8
  %59 = add nsw i32 %58, -1
  store i32 %59, ptr %3, align 4, !tbaa !8
  %60 = icmp ne i32 %58, 0
  br i1 %60, label %61, label %95

61:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  %62 = 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)
  %63 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %62, ptr noundef nonnull align 4 dereferenceable(4) %13)
  %64 = load i32, ptr %12, align 4, !tbaa !8
  %65 = sext i32 %64 to i64
  %66 = load i64, ptr %11, align 8, !tbaa !13
  %67 = add nsw i64 %65, %66
  %68 = sub nsw i64 %67, 1
  %69 = load i32, ptr %2, align 4, !tbaa !8
  %70 = sext i32 %69 to i64
  %71 = srem i64 %68, %70
  %72 = add nsw i64 %71, 1
  %73 = trunc i64 %72 to i32
  store i32 %73, ptr %12, align 4, !tbaa !8
  %74 = load i32, ptr %13, align 4, !tbaa !8
  %75 = sext i32 %74 to i64
  %76 = load i64, ptr %11, align 8, !tbaa !13
  %77 = add nsw i64 %75, %76
  %78 = sub nsw i64 %77, 1
  %79 = load i32, ptr %2, align 4, !tbaa !8
  %80 = sext i32 %79 to i64
  %81 = srem i64 %78, %80
  %82 = add nsw i64 %81, 1
  %83 = trunc i64 %82 to i32
  store i32 %83, ptr %13, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  %84 = load i32, ptr %12, align 4, !tbaa !8
  %85 = load i32, ptr %13, align 4, !tbaa !8
  %86 = call noundef i64 @_ZN21LongPathDecomposition5queryEii(ptr noundef nonnull align 8 dereferenceable(10400952) @t1, i32 noundef %84, i32 noundef %85)
  store i64 %86, ptr %14, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  %87 = load i32, ptr %12, align 4, !tbaa !8
  %88 = load i32, ptr %13, align 4, !tbaa !8
  %89 = call noundef i64 @_ZN21LongPathDecomposition5queryEii(ptr noundef nonnull align 8 dereferenceable(10400952) @t2, i32 noundef %87, i32 noundef %88)
  store i64 %89, ptr %15, align 8, !tbaa !13
  %90 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef nonnull align 8 dereferenceable(8) %15)
  %91 = load i64, ptr %90, align 8, !tbaa !13
  store i64 %91, ptr %11, align 8, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  %92 = load i64, ptr %11, align 8, !tbaa !13
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %92)
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %93, i8 noundef signext 10)
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %57, !llvm.loop !15

95:                                               ; preds = %57
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #4 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)) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN21LongPathDecomposition5buildEii(ptr noundef nonnull align 8 dereferenceable(10400952), i32 noundef, i32 noundef) #0 align 2

; 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)) #5

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN21LongPathDecomposition5queryEii(ptr noundef nonnull align 8 dereferenceable(10400952), i32 noundef, i32 noundef) #0 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) #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 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 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 #3 = { "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 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 #5 = { 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 #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 = !{!14, !14, i64 0}
!14 = !{!"long long", !10, i64 0}
!15 = distinct !{!15, !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<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.LongPathDecomposition = type { i32, [100009 x [17 x i32]], [100009 x i32], [100009 x i64], [100009 x i64], [100009 x i32], [100009 x i32], i32, [100009 x i64] }
%"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" }
%"struct.std::array" = type { [2 x i32] }

@g = external dso_local global [100009 x %"class.std::vector"], align 16
@t1 = external dso_local global %struct.LongPathDecomposition, align 8
@t2 = external dso_local global %struct.LongPathDecomposition, align 8
@mx = external dso_local local_unnamed_addr global i64, align 8
@x = external dso_local local_unnamed_addr global i32, align 4
@_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 @_Z3dfsii(i32 noundef, 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %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 %"struct.std::array", align 4
  %7 = alloca %"struct.std::array", align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %13 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr @_ZSt3cin, 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 %1, align 4, !tbaa !8
  %21 = icmp sgt i32 %20, 1
  br i1 %21, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0
  %22 = getelementptr inbounds i8, ptr %6, i64 4
  %23 = getelementptr inbounds i8, ptr %7, i64 4
  br label %30

._crit_edge:                                      ; preds = %30, %0
  call void @_Z3dfsii(i32 noundef 1, i32 noundef 0)
  %24 = load i32, ptr @x, align 4, !tbaa !8
  store i64 0, ptr @mx, align 8, !tbaa !11
  call void @_Z3dfsii(i32 noundef %24, i32 noundef 0)
  %25 = load i32, ptr %1, align 4, !tbaa !8
  %26 = load i32, ptr @x, align 4, !tbaa !8
  call void @_ZN21LongPathDecomposition5buildEii(ptr noundef nonnull align 8 dereferenceable(10400952) @t1, i32 noundef %25, i32 noundef %26)
  %27 = load i32, ptr %1, align 4, !tbaa !8
  call void @_ZN21LongPathDecomposition5buildEii(ptr noundef nonnull align 8 dereferenceable(10400952) @t2, i32 noundef %27, i32 noundef %24)
  %28 = load i32, ptr %2, align 4, !tbaa !8
  %29 = add nsw i32 %28, -1
  store i32 %29, ptr %2, align 4, !tbaa !8
  %.not8 = icmp eq i32 %28, 0
  br i1 %.not8, label %._crit_edge12, label %.lr.ph11

30:                                               ; preds = %.lr.ph, %30
  %.067 = phi i32 [ 1, %.lr.ph ], [ %44, %30 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  %31 = 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)
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %31, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %33 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %32, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %34 = load i32, ptr %3, align 4, !tbaa !8
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [100009 x %"class.std::vector"], ptr @g, i64 0, i64 %35
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  %37 = load i32, ptr %4, align 4, !tbaa !8
  store i32 %37, ptr %6, align 4, !tbaa !8
  %38 = load i32, ptr %5, align 4, !tbaa !8
  store i32 %38, ptr %22, align 4, !tbaa !8
  call void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %36, ptr noundef nonnull align 4 dereferenceable(8) %6)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  %39 = load i32, ptr %4, align 4, !tbaa !8
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [100009 x %"class.std::vector"], ptr @g, i64 0, i64 %40
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #7
  %42 = load i32, ptr %3, align 4, !tbaa !8
  store i32 %42, ptr %7, align 4, !tbaa !8
  %43 = load i32, ptr %5, align 4, !tbaa !8
  store i32 %43, ptr %23, align 4, !tbaa !8
  call void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %41, ptr noundef nonnull align 4 dereferenceable(8) %7)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  %44 = add nuw nsw i32 %.067, 1
  %45 = load i32, ptr %1, align 4, !tbaa !8
  %46 = icmp slt i32 %44, %45
  br i1 %46, label %30, label %._crit_edge, !llvm.loop !13

.lr.ph11:                                         ; preds = %._crit_edge, %.lr.ph11
  %.09 = phi i64 [ %69, %.lr.ph11 ], [ 0, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %47 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %48 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %47, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %49 = load i32, ptr %8, align 4, !tbaa !8
  %50 = sext i32 %49 to i64
  %51 = add i64 %.09, -1
  %52 = add i64 %51, %50
  %53 = load i32, ptr %1, align 4, !tbaa !8
  %54 = sext i32 %53 to i64
  %55 = srem i64 %52, %54
  %56 = trunc nsw i64 %55 to i32
  %57 = add i32 %56, 1
  store i32 %57, ptr %8, align 4, !tbaa !8
  %58 = load i32, ptr %9, align 4, !tbaa !8
  %59 = sext i32 %58 to i64
  %60 = add i64 %51, %59
  %61 = srem i64 %60, %54
  %62 = trunc nsw i64 %61 to i32
  %63 = add i32 %62, 1
  store i32 %63, ptr %9, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  %64 = call noundef i64 @_ZN21LongPathDecomposition5queryEii(ptr noundef nonnull align 8 dereferenceable(10400952) @t1, i32 noundef %57, i32 noundef %63)
  store i64 %64, ptr %10, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #7
  %65 = load i32, ptr %8, align 4, !tbaa !8
  %66 = load i32, ptr %9, align 4, !tbaa !8
  %67 = call noundef i64 @_ZN21LongPathDecomposition5queryEii(ptr noundef nonnull align 8 dereferenceable(10400952) @t2, i32 noundef %65, i32 noundef %66)
  store i64 %67, ptr %11, align 8, !tbaa !11
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11)
  %69 = load i64, ptr %68, align 8, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  %70 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %69)
  %71 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %70, i8 noundef signext 10)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  %72 = load i32, ptr %2, align 4, !tbaa !8
  %73 = add nsw i32 %72, -1
  store i32 %73, ptr %2, align 4, !tbaa !8
  %.not = icmp eq i32 %72, 0
  br i1 %.not, label %._crit_edge12, label %.lr.ph11, !llvm.loop !15

._crit_edge12:                                    ; preds = %.lr.ph11, %._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
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #4 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 #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN21LongPathDecomposition5buildEii(ptr noundef nonnull align 8 dereferenceable(10400952), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; 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 #5

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN21LongPathDecomposition5queryEii(ptr noundef nonnull align 8 dereferenceable(10400952), i32 noundef, i32 noundef) local_unnamed_addr #0 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 #6

; 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 #0 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 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 #3 = { "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 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 #5 = { 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 #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 = !{!12, !12, i64 0}
!12 = !{!"long long", !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


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