; LLVM IR from InnoFang/algo-set :: Data Structure/Graph/BFS/main.ll (Z12bfsTraversal5Graph)

; 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.0" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.9" = type { i8 }
%"struct.std::_Bit_reference" = type { ptr, i64 }
%struct.Graph = type { i32, i32, %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3bfs5GraphiRSt6vectorIbSaIbEE(ptr noundef, i32 noundef, ptr noundef nonnull align 8 dereferenceable(40)) #0

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

; Function Attrs: mustprogress 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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z12bfsTraversal5Graph(ptr noundef %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::vector.0", align 8
  %4 = alloca %"class.std::allocator.9", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::_Bit_reference", align 8
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::_Bit_reference", align 8
  %11 = alloca %struct.Graph, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 40, ptr %3) #5
  %12 = getelementptr inbounds %struct.Graph, ptr %0, i32 0, i32 0
  %13 = load i32, ptr %12, align 8, !tbaa !9
  %14 = sext i32 %13 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #5
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef %14, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %15 unwind label %22

15:                                               ; preds = %1
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  store i32 0, ptr %7, align 4, !tbaa !16
  br label %16

16:                                               ; preds = %36, %15
  %17 = load i32, ptr %7, align 4, !tbaa !16
  %18 = getelementptr inbounds %struct.Graph, ptr %0, i32 0, i32 0
  %19 = load i32, ptr %18, align 8, !tbaa !9
  %20 = icmp slt i32 %17, %19
  br i1 %20, label %26, label %21

21:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %43

22:                                               ; preds = %1
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %5, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #5
  br label %85

26:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 16, ptr %8) #5
  %27 = load i32, ptr %7, align 4, !tbaa !16
  %28 = sext i32 %27 to i64
  %29 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef %28)
          to label %30 unwind label %39

30:                                               ; preds = %26
  %31 = getelementptr inbounds { ptr, i64 }, ptr %8, i32 0, i32 0
  %32 = extractvalue { ptr, i64 } %29, 0
  store ptr %32, ptr %31, align 8
  %33 = getelementptr inbounds { ptr, i64 }, ptr %8, i32 0, i32 1
  %34 = extractvalue { ptr, i64 } %29, 1
  store i64 %34, ptr %33, align 8
  %35 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %8, i1 noundef zeroext false) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #5
  br label %36

36:                                               ; preds = %30
  %37 = load i32, ptr %7, align 4, !tbaa !16
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr %7, align 4, !tbaa !16
  br label %16, !llvm.loop !17

39:                                               ; preds = %26
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %5, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %84

43:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 0, ptr %9, align 4, !tbaa !16
  br label %44

44:                                               ; preds = %79, %43
  %45 = load i32, ptr %9, align 4, !tbaa !16
  %46 = getelementptr inbounds %struct.Graph, ptr %0, i32 0, i32 0
  %47 = load i32, ptr %46, align 8, !tbaa !9
  %48 = icmp slt i32 %45, %47
  br i1 %48, label %50, label %49

49:                                               ; preds = %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %83

50:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #5
  %51 = load i32, ptr %9, align 4, !tbaa !16
  %52 = sext i32 %51 to i64
  %53 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef %52)
          to label %54 unwind label %66

54:                                               ; preds = %50
  %55 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 0
  %56 = extractvalue { ptr, i64 } %53, 0
  store ptr %56, ptr %55, align 8
  %57 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 1
  %58 = extractvalue { ptr, i64 } %53, 1
  store i64 %58, ptr %57, align 8
  %59 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %10) #5
  %60 = zext i1 %59 to i32
  %61 = icmp eq i32 %60, 0
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #5
  br i1 %61, label %62, label %78

62:                                               ; preds = %54
  invoke void @_ZN5GraphC2ERKS_(ptr noundef nonnull align 8 dereferenceable(32) %11, ptr noundef nonnull align 8 dereferenceable(32) %0)
          to label %63 unwind label %70

63:                                               ; preds = %62
  %64 = load i32, ptr %9, align 4, !tbaa !16
  invoke void @_Z3bfs5GraphiRSt6vectorIbSaIbEE(ptr noundef %11, i32 noundef %64, ptr noundef nonnull align 8 dereferenceable(40) %3)
          to label %65 unwind label %74

65:                                               ; preds = %63
  call void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #5
  br label %78

66:                                               ; preds = %50
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %5, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #5
  br label %82

70:                                               ; preds = %62
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %5, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %6, align 4
  br label %82

74:                                               ; preds = %63
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %5, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %6, align 4
  call void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #5
  br label %82

78:                                               ; preds = %65, %54
  br label %79

79:                                               ; preds = %78
  %80 = load i32, ptr %9, align 4, !tbaa !16
  %81 = add nsw i32 %80, 1
  store i32 %81, ptr %9, align 4, !tbaa !16
  br label %44, !llvm.loop !19

82:                                               ; preds = %74, %70, %66
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %84

83:                                               ; preds = %49
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %3) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr %3) #5
  ret void

84:                                               ; preds = %82, %39
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %3) #5
  br label %85

85:                                               ; preds = %84, %22
  call void @llvm.lifetime.end.p0(i64 40, ptr %3) #5
  br label %86

86:                                               ; preds = %85
  %87 = load ptr, ptr %5, align 8
  %88 = load i32, ptr %6, align 4
  %89 = insertvalue { ptr, i32 } poison, ptr %87, 0
  %90 = insertvalue { ptr, i32 } %89, i32 %88, 1
  resume { ptr, i32 } %90
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5GraphC2ERKS_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) 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 = { 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 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 = { 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 #5 = { 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, !11, i64 0}
!10 = !{!"_ZTS5Graph", !11, i64 0, !11, i64 4, !12, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTSSt6vectorIS_IiSaIiEESaIS1_EE", !13, i64 0}
!13 = !{!"_ZTSSt12_Vector_baseISt6vectorIiSaIiEESaIS2_EE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseISt6vectorIiSaIiEESaIS2_EE12_Vector_implE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseISt6vectorIiSaIiEESaIS2_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!16 = !{!11, !11, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}
!19 = distinct !{!19, !18}


; 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.0" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.9" = type { i8 }
%"struct.std::_Bit_reference" = type { ptr, i64 }
%struct.Graph = type { i32, i32, %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3bfs5GraphiRSt6vectorIbSaIbEE(ptr noundef, i32 noundef, ptr noundef nonnull align 8 dereferenceable(40)) 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 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

declare i32 @__gxx_personality_v0(...)

; 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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z12bfsTraversal5Graph(ptr noundef %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::vector.0", align 8
  %3 = alloca %"class.std::allocator.9", align 1
  %4 = alloca %"struct.std::_Bit_reference", align 8
  %5 = alloca %"struct.std::_Bit_reference", align 8
  %6 = alloca %struct.Graph, align 8
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %2) #5
  %7 = load i32, ptr %0, align 8, !tbaa !5
  %8 = sext i32 %7 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #5
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %2, i64 noundef %8, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %9 unwind label %15

9:                                                ; preds = %1
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  %10 = load i32, ptr %0, align 8, !tbaa !5
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %9
  %12 = getelementptr inbounds i8, ptr %4, i64 8
  br label %17

.preheader:                                       ; preds = %19
  %13 = icmp sgt i32 %23, 0
  br i1 %13, label %.lr.ph19, label %._crit_edge

.lr.ph19:                                         ; preds = %.preheader
  %14 = getelementptr inbounds i8, ptr %5, i64 8
  br label %28

15:                                               ; preds = %1
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  br label %49

17:                                               ; preds = %.lr.ph, %19
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %19 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #5
  %18 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %2, i64 noundef %indvars.iv)
          to label %19 unwind label %26

19:                                               ; preds = %17
  %20 = extractvalue { ptr, i64 } %18, 0
  store ptr %20, ptr %4, align 8
  %21 = extractvalue { ptr, i64 } %18, 1
  store i64 %21, ptr %12, align 8
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %4, i1 noundef zeroext false) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %23 = load i32, ptr %0, align 8, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = icmp slt i64 %indvars.iv.next, %24
  br i1 %25, label %17, label %.preheader, !llvm.loop !15

26:                                               ; preds = %17
  %27 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #5
  br label %48

._crit_edge:                                      ; preds = %44, %9, %.preheader
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %2) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %2) #5
  ret void

28:                                               ; preds = %.lr.ph19, %44
  %indvars.iv21 = phi i64 [ 0, %.lr.ph19 ], [ %indvars.iv.next22, %44 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #5
  %29 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %2, i64 noundef %indvars.iv21)
          to label %30 unwind label %38

30:                                               ; preds = %28
  %31 = extractvalue { ptr, i64 } %29, 0
  store ptr %31, ptr %5, align 8
  %32 = extractvalue { ptr, i64 } %29, 1
  store i64 %32, ptr %14, align 8
  %33 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %5) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #5
  br i1 %33, label %44, label %34

34:                                               ; preds = %30
  invoke void @_ZN5GraphC2ERKS_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %0)
          to label %35 unwind label %40

35:                                               ; preds = %34
  %36 = trunc nuw nsw i64 %indvars.iv21 to i32
  invoke void @_Z3bfs5GraphiRSt6vectorIbSaIbEE(ptr noundef nonnull %6, i32 noundef %36, ptr noundef nonnull align 8 dereferenceable(40) %2)
          to label %37 unwind label %42

37:                                               ; preds = %35
  call void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  br label %44

38:                                               ; preds = %28
  %39 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #5
  br label %48

40:                                               ; preds = %34
  %41 = landingpad { ptr, i32 }
          cleanup
  br label %48

42:                                               ; preds = %35
  %43 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  br label %48

44:                                               ; preds = %30, %37
  %indvars.iv.next22 = add nuw nsw i64 %indvars.iv21, 1
  %45 = load i32, ptr %0, align 8, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = icmp slt i64 %indvars.iv.next22, %46
  br i1 %47, label %28, label %._crit_edge, !llvm.loop !17

48:                                               ; preds = %38, %40, %42, %26
  %.pn14 = phi { ptr, i32 } [ %27, %26 ], [ %43, %42 ], [ %41, %40 ], [ %39, %38 ]
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %2) #5
  br label %49

49:                                               ; preds = %48, %15
  %.pn14.pn = phi { ptr, i32 } [ %.pn14, %48 ], [ %16, %15 ]
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %2) #5
  resume { ptr, i32 } %.pn14.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5GraphC2ERKS_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) 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 = { 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 #4 = { 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 #5 = { 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, !7, i64 0}
!6 = !{!"_ZTS5Graph", !7, i64 0, !7, i64 4, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt6vectorIS_IiSaIiEESaIS1_EE", !11, i64 0}
!11 = !{!"_ZTSSt12_Vector_baseISt6vectorIiSaIiEESaIS2_EE", !12, i64 0}
!12 = !{!"_ZTSNSt12_Vector_baseISt6vectorIiSaIiEESaIS2_EE12_Vector_implE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseISt6vectorIiSaIiEESaIS2_EE17_Vector_impl_dataE", !14, i64 0, !14, i64 8, !14, i64 16}
!14 = !{!"any pointer", !8, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = distinct !{!17, !16}


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