; LLVM IR from ncduy0303/Competitive-Programming :: Graphs/Lowest Common Ancestor/LCA (Binary Lifting).ll (Z3dfsii)

; 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.__gnu_cxx::__normal_iterator" = type { ptr }

@par = external dso_local global [200001 x [20 x i32]], align 16
@dep = external dso_local global [200001 x i32], align 16
@adj = external dso_local global [200001 x %"class.std::vector"], align 16

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfsii(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  %11 = load i32, ptr %4, align 4, !tbaa !5
  %12 = load i32, ptr %3, align 4, !tbaa !5
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %13
  %15 = getelementptr inbounds [20 x i32], ptr %14, i64 0, i64 0
  store i32 %11, ptr %15, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 1, ptr %5, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %42, %2
  %17 = load i32, ptr %5, align 4, !tbaa !5
  %18 = icmp slt i32 %17, 20
  br i1 %18, label %20, label %19

19:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %45

20:                                               ; preds = %16
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %22
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = sub nsw i32 %24, 1
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [20 x i32], ptr %23, i64 0, i64 %26
  %28 = load i32, ptr %27, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %29
  %31 = load i32, ptr %5, align 4, !tbaa !5
  %32 = sub nsw i32 %31, 1
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [20 x i32], ptr %30, i64 0, i64 %33
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %37
  %39 = load i32, ptr %5, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [20 x i32], ptr %38, i64 0, i64 %40
  store i32 %35, ptr %41, align 4, !tbaa !5
  br label %42

42:                                               ; preds = %20
  %43 = load i32, ptr %5, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %5, align 4, !tbaa !5
  br label %16, !llvm.loop !9

45:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %46 = load i32, ptr %3, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [200001 x %"class.std::vector"], ptr @adj, i64 0, i64 %47
  store ptr %48, ptr %6, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %49 = load ptr, ptr %6, align 8, !tbaa !11
  %50 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %49) #4
  %51 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %50, ptr %51, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %52 = load ptr, ptr %6, align 8, !tbaa !11
  %53 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %52) #4
  %54 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %53, ptr %54, align 8
  br label %55

55:                                               ; preds = %79, %45
  %56 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %56, label %58, label %57

57:                                               ; preds = %55
  store i32 5, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %81

58:                                               ; preds = %55
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  %59 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  %60 = load i32, ptr %59, align 4, !tbaa !5
  store i32 %60, ptr %10, align 4, !tbaa !5
  %61 = load i32, ptr %10, align 4, !tbaa !5
  %62 = load i32, ptr %4, align 4, !tbaa !5
  %63 = icmp eq i32 %61, %62
  br i1 %63, label %64, label %65

64:                                               ; preds = %58
  store i32 6, ptr %9, align 4
  br label %76

65:                                               ; preds = %58
  %66 = load i32, ptr %3, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = getelementptr inbounds [200001 x i32], ptr @dep, i64 0, i64 %67
  %69 = load i32, ptr %68, align 4, !tbaa !5
  %70 = add nsw i32 %69, 1
  %71 = load i32, ptr %10, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds [200001 x i32], ptr @dep, i64 0, i64 %72
  store i32 %70, ptr %73, align 4, !tbaa !5
  %74 = load i32, ptr %10, align 4, !tbaa !5
  %75 = load i32, ptr %3, align 4, !tbaa !5
  call void @_Z3dfsii(i32 noundef %74, i32 noundef %75)
  store i32 0, ptr %9, align 4
  br label %76

76:                                               ; preds = %65, %64
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  %77 = load i32, ptr %9, align 4
  switch i32 %77, label %82 [
    i32 0, label %78
    i32 6, label %79
  ]

78:                                               ; preds = %76
  br label %79

79:                                               ; preds = %78, %76
  %80 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br label %55

81:                                               ; preds = %57
  ret void

82:                                               ; preds = %76
  unreachable
}

; 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 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: 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

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

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

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


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

%"class.std::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.__gnu_cxx::__normal_iterator" = type { ptr }

@par = external dso_local local_unnamed_addr global [200001 x [20 x i32]], align 16
@dep = external dso_local local_unnamed_addr global [200001 x i32], align 16
@adj = external dso_local global [200001 x %"class.std::vector"], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z3dfsii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = sext i32 %0 to i64
  %6 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5
  store i32 %1, ptr %6, align 16, !tbaa !5
  %7 = sext i32 %1 to i64
  %8 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %7, i64 0
  %9 = load i32, ptr %8, align 16, !tbaa !5
  %10 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 1
  store i32 %9, ptr %10, align 4, !tbaa !5
  %11 = sext i32 %9 to i64
  %12 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %11, i64 1
  %13 = load i32, ptr %12, align 4, !tbaa !5
  %14 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 2
  store i32 %13, ptr %14, align 8, !tbaa !5
  %15 = sext i32 %13 to i64
  %16 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %15, i64 2
  %17 = load i32, ptr %16, align 8, !tbaa !5
  %18 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 3
  store i32 %17, ptr %18, align 4, !tbaa !5
  %19 = sext i32 %17 to i64
  %20 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %19, i64 3
  %21 = load i32, ptr %20, align 4, !tbaa !5
  %22 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 4
  store i32 %21, ptr %22, align 16, !tbaa !5
  %23 = sext i32 %21 to i64
  %24 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %23, i64 4
  %25 = load i32, ptr %24, align 16, !tbaa !5
  %26 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 5
  store i32 %25, ptr %26, align 4, !tbaa !5
  %27 = sext i32 %25 to i64
  %28 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %27, i64 5
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 6
  store i32 %29, ptr %30, align 8, !tbaa !5
  %31 = sext i32 %29 to i64
  %32 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %31, i64 6
  %33 = load i32, ptr %32, align 8, !tbaa !5
  %34 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 7
  store i32 %33, ptr %34, align 4, !tbaa !5
  %35 = sext i32 %33 to i64
  %36 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %35, i64 7
  %37 = load i32, ptr %36, align 4, !tbaa !5
  %38 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 8
  store i32 %37, ptr %38, align 16, !tbaa !5
  %39 = sext i32 %37 to i64
  %40 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %39, i64 8
  %41 = load i32, ptr %40, align 16, !tbaa !5
  %42 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 9
  store i32 %41, ptr %42, align 4, !tbaa !5
  %43 = sext i32 %41 to i64
  %44 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %43, i64 9
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 10
  store i32 %45, ptr %46, align 8, !tbaa !5
  %47 = sext i32 %45 to i64
  %48 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %47, i64 10
  %49 = load i32, ptr %48, align 8, !tbaa !5
  %50 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 11
  store i32 %49, ptr %50, align 4, !tbaa !5
  %51 = sext i32 %49 to i64
  %52 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %51, i64 11
  %53 = load i32, ptr %52, align 4, !tbaa !5
  %54 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 12
  store i32 %53, ptr %54, align 16, !tbaa !5
  %55 = sext i32 %53 to i64
  %56 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %55, i64 12
  %57 = load i32, ptr %56, align 16, !tbaa !5
  %58 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 13
  store i32 %57, ptr %58, align 4, !tbaa !5
  %59 = sext i32 %57 to i64
  %60 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %59, i64 13
  %61 = load i32, ptr %60, align 4, !tbaa !5
  %62 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 14
  store i32 %61, ptr %62, align 8, !tbaa !5
  %63 = sext i32 %61 to i64
  %64 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %63, i64 14
  %65 = load i32, ptr %64, align 8, !tbaa !5
  %66 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 15
  store i32 %65, ptr %66, align 4, !tbaa !5
  %67 = sext i32 %65 to i64
  %68 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %67, i64 15
  %69 = load i32, ptr %68, align 4, !tbaa !5
  %70 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 16
  store i32 %69, ptr %70, align 16, !tbaa !5
  %71 = sext i32 %69 to i64
  %72 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %71, i64 16
  %73 = load i32, ptr %72, align 16, !tbaa !5
  %74 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 17
  store i32 %73, ptr %74, align 4, !tbaa !5
  %75 = sext i32 %73 to i64
  %76 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %75, i64 17
  %77 = load i32, ptr %76, align 4, !tbaa !5
  %78 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 18
  store i32 %77, ptr %78, align 8, !tbaa !5
  %79 = sext i32 %77 to i64
  %80 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %79, i64 18
  %81 = load i32, ptr %80, align 8, !tbaa !5
  %82 = getelementptr inbounds [200001 x [20 x i32]], ptr @par, i64 0, i64 %5, i64 19
  store i32 %81, ptr %82, align 4, !tbaa !5
  %83 = getelementptr inbounds [200001 x %"class.std::vector"], ptr @adj, i64 0, i64 %5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %84 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %83) #3
  store ptr %84, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %85 = tail call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %83) #3
  store ptr %85, ptr %4, align 8
  %86 = 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) #3
  br i1 %86, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %2
  %87 = getelementptr inbounds [200001 x i32], ptr @dep, i64 0, i64 %5
  br label %88

._crit_edge:                                      ; preds = %97, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  ret void

88:                                               ; preds = %.lr.ph, %97
  %89 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %90 = load i32, ptr %89, align 4, !tbaa !5
  %91 = icmp eq i32 %90, %1
  br i1 %91, label %97, label %92

92:                                               ; preds = %88
  %93 = load i32, ptr %87, align 4, !tbaa !5
  %94 = add nsw i32 %93, 1
  %95 = sext i32 %90 to i64
  %96 = getelementptr inbounds [200001 x i32], ptr @dep, i64 0, i64 %95
  store i32 %94, ptr %96, align 4, !tbaa !5
  call void @_Z3dfsii(i32 noundef %90, i32 noundef %0)
  br label %97

97:                                               ; preds = %88, %92
  %98 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %99 = 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) #3
  br i1 %99, label %88, label %._crit_edge
}

; 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 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 #0 align 2

; 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 #0 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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"}


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