; LLVM IR from HarshCasper/NeoAlgo :: C-Plus-Plus/graphs (DirectedCycleDetection)

; 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"

%"struct.std::_Bit_reference" = type { ptr, i64 }

@cycle = external dso_local global i8, align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9dfs_visitRSt6vectorIS_IiSaIiEESaIS1_EEiRS_IbSaIbEES7_(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1, ptr noundef nonnull align 8 dereferenceable(40) %2, ptr noundef nonnull align 8 dereferenceable(40) %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca %"struct.std::_Bit_reference", align 8
  %10 = alloca %"struct.std::_Bit_reference", align 8
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::_Bit_reference", align 8
  %13 = alloca %"struct.std::_Bit_reference", align 8
  %14 = alloca %"struct.std::_Bit_reference", align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #3
  %15 = load ptr, ptr %8, align 8, !tbaa !5
  %16 = load i32, ptr %6, align 4, !tbaa !9
  %17 = sext i32 %16 to i64
  %18 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %15, i64 noundef %17)
  %19 = getelementptr inbounds { ptr, i64 }, ptr %9, i32 0, i32 0
  %20 = extractvalue { ptr, i64 } %18, 0
  store ptr %20, ptr %19, align 8
  %21 = getelementptr inbounds { ptr, i64 }, ptr %9, i32 0, i32 1
  %22 = extractvalue { ptr, i64 } %18, 1
  store i64 %22, ptr %21, align 8
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %9, i1 noundef zeroext true) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #3
  %24 = load ptr, ptr %7, align 8, !tbaa !5
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %24, i64 noundef %26)
  %28 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 0
  %29 = extractvalue { ptr, i64 } %27, 0
  store ptr %29, ptr %28, align 8
  %30 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 1
  %31 = extractvalue { ptr, i64 } %27, 1
  store i64 %31, ptr %30, align 8
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %10, i1 noundef zeroext true) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %33

33:                                               ; preds = %96, %4
  %34 = load i32, ptr %11, align 4, !tbaa !9
  %35 = sext i32 %34 to i64
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = load i32, ptr %6, align 4, !tbaa !9
  %38 = sext i32 %37 to i64
  %39 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %36, i64 noundef %38) #3
  %40 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %39) #3
  %41 = icmp ult i64 %35, %40
  br i1 %41, label %43, label %42

42:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %99

43:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #3
  %44 = load ptr, ptr %8, align 8, !tbaa !5
  %45 = load ptr, ptr %5, align 8, !tbaa !5
  %46 = load i32, ptr %6, align 4, !tbaa !9
  %47 = sext i32 %46 to i64
  %48 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %45, i64 noundef %47) #3
  %49 = load i32, ptr %11, align 4, !tbaa !9
  %50 = sext i32 %49 to i64
  %51 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %48, i64 noundef %50) #3
  %52 = load i32, ptr %51, align 4, !tbaa !9
  %53 = sext i32 %52 to i64
  %54 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %44, i64 noundef %53)
  %55 = getelementptr inbounds { ptr, i64 }, ptr %12, i32 0, i32 0
  %56 = extractvalue { ptr, i64 } %54, 0
  store ptr %56, ptr %55, align 8
  %57 = getelementptr inbounds { ptr, i64 }, ptr %12, i32 0, i32 1
  %58 = extractvalue { ptr, i64 } %54, 1
  store i64 %58, ptr %57, align 8
  %59 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %12) #3
  %60 = zext i1 %59 to i32
  %61 = icmp eq i32 %60, 0
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #3
  br i1 %61, label %62, label %74

62:                                               ; preds = %43
  %63 = load ptr, ptr %5, align 8, !tbaa !5
  %64 = load ptr, ptr %5, align 8, !tbaa !5
  %65 = load i32, ptr %6, align 4, !tbaa !9
  %66 = sext i32 %65 to i64
  %67 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %64, i64 noundef %66) #3
  %68 = load i32, ptr %11, align 4, !tbaa !9
  %69 = sext i32 %68 to i64
  %70 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %67, i64 noundef %69) #3
  %71 = load i32, ptr %70, align 4, !tbaa !9
  %72 = load ptr, ptr %7, align 8, !tbaa !5
  %73 = load ptr, ptr %8, align 8, !tbaa !5
  call void @_Z9dfs_visitRSt6vectorIS_IiSaIiEESaIS1_EEiRS_IbSaIbEES7_(ptr noundef nonnull align 8 dereferenceable(24) %63, i32 noundef %71, ptr noundef nonnull align 8 dereferenceable(40) %72, ptr noundef nonnull align 8 dereferenceable(40) %73)
  br label %95

74:                                               ; preds = %43
  call void @llvm.lifetime.start.p0(i64 16, ptr %13) #3
  %75 = load ptr, ptr %7, align 8, !tbaa !5
  %76 = load ptr, ptr %5, align 8, !tbaa !5
  %77 = load i32, ptr %6, align 4, !tbaa !9
  %78 = sext i32 %77 to i64
  %79 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %76, i64 noundef %78) #3
  %80 = load i32, ptr %11, align 4, !tbaa !9
  %81 = sext i32 %80 to i64
  %82 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %79, i64 noundef %81) #3
  %83 = load i32, ptr %82, align 4, !tbaa !9
  %84 = sext i32 %83 to i64
  %85 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %75, i64 noundef %84)
  %86 = getelementptr inbounds { ptr, i64 }, ptr %13, i32 0, i32 0
  %87 = extractvalue { ptr, i64 } %85, 0
  store ptr %87, ptr %86, align 8
  %88 = getelementptr inbounds { ptr, i64 }, ptr %13, i32 0, i32 1
  %89 = extractvalue { ptr, i64 } %85, 1
  store i64 %89, ptr %88, align 8
  %90 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %13) #3
  %91 = zext i1 %90 to i32
  %92 = icmp eq i32 %91, 1
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #3
  br i1 %92, label %93, label %94

93:                                               ; preds = %74
  store i8 1, ptr @cycle, align 1, !tbaa !11
  br label %94

94:                                               ; preds = %93, %74
  br label %95

95:                                               ; preds = %94, %62
  br label %96

96:                                               ; preds = %95
  %97 = load i32, ptr %11, align 4, !tbaa !9
  %98 = add nsw i32 %97, 1
  store i32 %98, ptr %11, align 4, !tbaa !9
  br label %33, !llvm.loop !13

99:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 16, ptr %14) #3
  %100 = load ptr, ptr %7, align 8, !tbaa !5
  %101 = load i32, ptr %6, align 4, !tbaa !9
  %102 = sext i32 %101 to i64
  %103 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %100, i64 noundef %102)
  %104 = getelementptr inbounds { ptr, i64 }, ptr %14, i32 0, i32 0
  %105 = extractvalue { ptr, i64 } %103, 0
  store ptr %105, ptr %104, align 8
  %106 = getelementptr inbounds { ptr, i64 }, ptr %14, i32 0, i32 1
  %107 = extractvalue { ptr, i64 } %103, 1
  store i64 %107, ptr %106, align 8
  %108 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %14, i1 noundef zeroext false) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #3
  ret void
}

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

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) #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(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) #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 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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"

%"struct.std::_Bit_reference" = type { ptr, i64 }

@cycle = external dso_local local_unnamed_addr global i8, align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9dfs_visitRSt6vectorIS_IiSaIiEESaIS1_EEiRS_IbSaIbEES7_(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1, ptr noundef nonnull align 8 dereferenceable(40) %2, ptr noundef nonnull align 8 dereferenceable(40) %3) local_unnamed_addr #0 {
  %5 = alloca %"struct.std::_Bit_reference", align 8
  %6 = alloca %"struct.std::_Bit_reference", align 8
  %7 = alloca %"struct.std::_Bit_reference", align 8
  %8 = alloca %"struct.std::_Bit_reference", align 8
  %9 = alloca %"struct.std::_Bit_reference", align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #3
  %10 = sext i32 %1 to i64
  %11 = tail call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef %10)
  %12 = extractvalue { ptr, i64 } %11, 0
  store ptr %12, ptr %5, align 8
  %13 = getelementptr inbounds i8, ptr %5, i64 8
  %14 = extractvalue { ptr, i64 } %11, 1
  store i64 %14, ptr %13, align 8
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %5, i1 noundef zeroext true) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #3
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #3
  %16 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %2, i64 noundef %10)
  %17 = extractvalue { ptr, i64 } %16, 0
  store ptr %17, ptr %6, align 8
  %18 = getelementptr inbounds i8, ptr %6, i64 8
  %19 = extractvalue { ptr, i64 } %16, 1
  store i64 %19, ptr %18, align 8
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %6, i1 noundef zeroext true) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #3
  %21 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %10) #3
  %22 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %21) #3
  %.not = icmp eq i64 %22, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %4
  %23 = getelementptr inbounds i8, ptr %7, i64 8
  %24 = getelementptr inbounds i8, ptr %8, i64 8
  br label %30

._crit_edge:                                      ; preds = %53, %4
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #3
  %25 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %2, i64 noundef %10)
  %26 = extractvalue { ptr, i64 } %25, 0
  store ptr %26, ptr %9, align 8
  %27 = getelementptr inbounds i8, ptr %9, i64 8
  %28 = extractvalue { ptr, i64 } %25, 1
  store i64 %28, ptr %27, align 8
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %9, i1 noundef zeroext false) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #3
  ret void

30:                                               ; preds = %.lr.ph, %53
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %53 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #3
  %31 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %10) #3
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %31, i64 noundef %indvars.iv) #3
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef %34)
  %36 = extractvalue { ptr, i64 } %35, 0
  store ptr %36, ptr %7, align 8
  %37 = extractvalue { ptr, i64 } %35, 1
  store i64 %37, ptr %23, align 8
  %38 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %7) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #3
  br i1 %38, label %43, label %39

39:                                               ; preds = %30
  %40 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %10) #3
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %40, i64 noundef %indvars.iv) #3
  %42 = load i32, ptr %41, align 4, !tbaa !5
  call void @_Z9dfs_visitRSt6vectorIS_IiSaIiEESaIS1_EEiRS_IbSaIbEES7_(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %42, ptr noundef nonnull align 8 dereferenceable(40) %2, ptr noundef nonnull align 8 dereferenceable(40) %3)
  br label %53

43:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #3
  %44 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %10) #3
  %45 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %44, i64 noundef %indvars.iv) #3
  %46 = load i32, ptr %45, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %48 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %2, i64 noundef %47)
  %49 = extractvalue { ptr, i64 } %48, 0
  store ptr %49, ptr %8, align 8
  %50 = extractvalue { ptr, i64 } %48, 1
  store i64 %50, ptr %24, align 8
  %51 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %8) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #3
  br i1 %51, label %52, label %53

52:                                               ; preds = %43
  store i8 1, ptr @cycle, align 1, !tbaa !9
  br label %53

53:                                               ; preds = %39, %52, %43
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %54 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %10) #3
  %55 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %54) #3
  %56 = icmp ugt i64 %55, %indvars.iv.next
  br i1 %56, label %30, label %._crit_edge, !llvm.loop !11
}

; 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 uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) 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(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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