; LLVM IR from erayzesen/QuarkPhysics :: QuarkPhysics/qworld.ll (ZN6QWorld11ClearBodiesEv)

; 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.QWorld = type { %"class.std::vector", %"class.std::vector.0", %"class.std::vector.5", %"class.std::vector.10", %"class.std::vector.15", %"class.std::unordered_set", %"class.std::vector.25", ptr, i8, %struct.QVector, i8, i8, i32, float, float, float, i32, i32, %"class.std::vector.30" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<QJoint *, std::allocator<QJoint *>>::_Vector_impl" }
%"struct.std::_Vector_base<QJoint *, std::allocator<QJoint *>>::_Vector_impl" = type { %"struct.std::_Vector_base<QJoint *, std::allocator<QJoint *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<QJoint *, std::allocator<QJoint *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<QSpring *, std::allocator<QSpring *>>::_Vector_impl" }
%"struct.std::_Vector_base<QSpring *, std::allocator<QSpring *>>::_Vector_impl" = type { %"struct.std::_Vector_base<QSpring *, std::allocator<QSpring *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<QSpring *, std::allocator<QSpring *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<QRaycast *, std::allocator<QRaycast *>>::_Vector_impl" }
%"struct.std::_Vector_base<QRaycast *, std::allocator<QRaycast *>>::_Vector_impl" = type { %"struct.std::_Vector_base<QRaycast *, std::allocator<QRaycast *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<QRaycast *, std::allocator<QRaycast *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.10" = type { %"struct.std::_Vector_base.11" }
%"struct.std::_Vector_base.11" = type { %"struct.std::_Vector_base<QGizmo *, std::allocator<QGizmo *>>::_Vector_impl" }
%"struct.std::_Vector_base<QGizmo *, std::allocator<QGizmo *>>::_Vector_impl" = type { %"struct.std::_Vector_base<QGizmo *, std::allocator<QGizmo *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<QGizmo *, std::allocator<QGizmo *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.15" = type { %"struct.std::_Vector_base.16" }
%"struct.std::_Vector_base.16" = type { %"struct.std::_Vector_base<std::vector<QBody *>, std::allocator<std::vector<QBody *>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<QBody *>, std::allocator<std::vector<QBody *>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<QBody *>, std::allocator<std::vector<QBody *>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<QBody *>, std::allocator<std::vector<QBody *>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::unordered_set" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.std::vector.25" = type { %"struct.std::_Vector_base.26" }
%"struct.std::_Vector_base.26" = type { %"struct.std::_Vector_base<QManifold, std::allocator<QManifold>>::_Vector_impl" }
%"struct.std::_Vector_base<QManifold, std::allocator<QManifold>>::_Vector_impl" = type { %"struct.std::_Vector_base<QManifold, std::allocator<QManifold>>::_Vector_impl_data" }
%"struct.std::_Vector_base<QManifold, std::allocator<QManifold>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.QVector = type { float, float }
%"class.std::vector.30" = type { %"struct.std::_Vector_base.31" }
%"struct.std::_Vector_base.31" = type { %"struct.std::_Vector_base<QBody *, std::allocator<QBody *>>::_Vector_impl" }
%"struct.std::_Vector_base<QBody *, std::allocator<QBody *>>::_Vector_impl" = type { %"struct.std::_Vector_base<QBody *, std::allocator<QBody *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<QBody *, std::allocator<QBody *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.QBody = type <{ ptr, float, float, ptr, %struct.QVector, %struct.QVector, float, float, %class.QAABB, i32, i8, i8, i8, i8, float, i32, i8, [3 x i8], float, i8, i8, [2 x i8], %struct.QVector, float, float, float, float, float, i32, i32, i8, i8, i8, i8, i32, i32, i32, i8, [3 x i8], %"class.std::function", %"class.std::function", %"class.std::function.36", i8, [7 x i8], %"class.std::vector.38", i32, i8, [3 x i8] }>
%class.QAABB = type { %struct.QVector, %struct.QVector, %struct.QVector, float }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%"class.std::function.36" = type { %"class.std::_Function_base", ptr }
%"class.std::vector.38" = type { %"struct.std::_Vector_base.39" }
%"struct.std::_Vector_base.39" = type { %"struct.std::_Vector_base<QMesh *, std::allocator<QMesh *>>::_Vector_impl" }
%"struct.std::_Vector_base<QMesh *, std::allocator<QMesh *>>::_Vector_impl" = type { %"struct.std::_Vector_base<QMesh *, std::allocator<QMesh *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<QMesh *, std::allocator<QMesh *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIP5QBodySaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP5QBodySaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6QWorld11ClearBodiesEv(ptr noundef nonnull align 8 dereferenceable(272) %0) #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %5

5:                                                ; preds = %48, %1
  %6 = load i32, ptr %3, align 4, !tbaa !9
  %7 = sext i32 %6 to i64
  %8 = getelementptr inbounds %class.QWorld, ptr %4, i32 0, i32 18
  %9 = call noundef i64 @_ZNKSt6vectorIP5QBodySaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #2
  %10 = icmp ult i64 %7, %9
  br i1 %10, label %12, label %11

11:                                               ; preds = %5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  br label %51

12:                                               ; preds = %5
  %13 = getelementptr inbounds %class.QWorld, ptr %4, i32 0, i32 18
  %14 = load i32, ptr %3, align 4, !tbaa !9
  %15 = sext i32 %14 to i64
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP5QBodySaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %15) #2
  %17 = load ptr, ptr %16, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %19, label %47

19:                                               ; preds = %12
  %20 = getelementptr inbounds %class.QWorld, ptr %4, i32 0, i32 18
  %21 = load i32, ptr %3, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP5QBodySaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %20, i64 noundef %22) #2
  %24 = load ptr, ptr %23, align 8, !tbaa !5
  %25 = getelementptr inbounds %class.QBody, ptr %24, i32 0, i32 42
  %26 = load i8, ptr %25, align 8, !tbaa !11, !range !27, !noundef !28
  %27 = trunc i8 %26 to i1
  %28 = zext i1 %27 to i32
  %29 = icmp eq i32 %28, 0
  br i1 %29, label %30, label %46

30:                                               ; preds = %19
  %31 = getelementptr inbounds %class.QWorld, ptr %4, i32 0, i32 18
  %32 = load i32, ptr %3, align 4, !tbaa !9
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP5QBodySaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %31, i64 noundef %33) #2
  %35 = load ptr, ptr %34, align 8, !tbaa !5
  %36 = icmp eq ptr %35, null
  br i1 %36, label %41, label %37

37:                                               ; preds = %30
  %38 = load ptr, ptr %35, align 8, !tbaa !29
  %39 = getelementptr inbounds ptr, ptr %38, i64 4
  %40 = load ptr, ptr %39, align 8
  call void %40(ptr noundef nonnull align 8 dereferenceable(293) %35) #2
  br label %41

41:                                               ; preds = %37, %30
  %42 = getelementptr inbounds %class.QWorld, ptr %4, i32 0, i32 18
  %43 = load i32, ptr %3, align 4, !tbaa !9
  %44 = sext i32 %43 to i64
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP5QBodySaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %42, i64 noundef %44) #2
  store ptr null, ptr %45, align 8, !tbaa !5
  br label %46

46:                                               ; preds = %41, %19
  br label %47

47:                                               ; preds = %46, %12
  br label %48

48:                                               ; preds = %47
  %49 = load i32, ptr %3, align 4, !tbaa !9
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr %3, align 4, !tbaa !9
  br label %5, !llvm.loop !31

51:                                               ; preds = %11
  %52 = getelementptr inbounds %class.QWorld, ptr %4, i32 0, i32 18
  call void @_ZNSt6vectorIP5QBodySaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %52) #2
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP5QBodySaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { 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, !17, i64 256}
!12 = !{!"_ZTS5QBody", !13, i64 8, !13, i64 12, !6, i64 16, !14, i64 24, !14, i64 32, !13, i64 40, !13, i64 44, !15, i64 48, !16, i64 76, !17, i64 80, !17, i64 81, !17, i64 82, !13, i64 84, !18, i64 88, !17, i64 92, !13, i64 96, !17, i64 100, !17, i64 101, !14, i64 104, !13, i64 112, !13, i64 116, !13, i64 120, !13, i64 124, !13, i64 128, !10, i64 132, !10, i64 136, !17, i64 140, !17, i64 141, !17, i64 142, !10, i64 144, !10, i64 148, !10, i64 152, !17, i64 156, !19, i64 160, !19, i64 192, !21, i64 224, !17, i64 256, !22, i64 264, !26, i64 288, !17, i64 292}
!13 = !{!"float", !7, i64 0}
!14 = !{!"_ZTS7QVector", !13, i64 0, !13, i64 4}
!15 = !{!"_ZTS5QAABB", !14, i64 0, !14, i64 8, !14, i64 16, !13, i64 24}
!16 = !{!"_ZTSN5QBody5ModesE", !7, i64 0}
!17 = !{!"bool", !7, i64 0}
!18 = !{!"_ZTSN5QBody9BodyTypesE", !7, i64 0}
!19 = !{!"_ZTSSt8functionIFvP5QBodyEE", !20, i64 0, !6, i64 24}
!20 = !{!"_ZTSSt14_Function_base", !7, i64 0, !6, i64 16}
!21 = !{!"_ZTSSt8functionIFbP5QBodyNS0_13CollisionInfoEEE", !20, i64 0, !6, i64 24}
!22 = !{!"_ZTSSt6vectorIP5QMeshSaIS1_EE", !23, i64 0}
!23 = !{!"_ZTSSt12_Vector_baseIP5QMeshSaIS1_EE", !24, i64 0}
!24 = !{!"_ZTSNSt12_Vector_baseIP5QMeshSaIS1_EE12_Vector_implE", !25, i64 0}
!25 = !{!"_ZTSNSt12_Vector_baseIP5QMeshSaIS1_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!26 = !{!"_ZTSN5QBody16SimulationModelsE", !7, i64 0}
!27 = !{i8 0, i8 2}
!28 = !{}
!29 = !{!30, !30, i64 0}
!30 = !{!"vtable pointer", !8, i64 0}
!31 = distinct !{!31, !32}
!32 = !{!"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"

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIP5QBodySaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP5QBodySaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6QWorld11ClearBodiesEv(ptr noundef nonnull align 8 dereferenceable(272) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 248
  %3 = tail call noundef i64 @_ZNKSt6vectorIP5QBodySaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #1
  %.not9 = icmp eq i64 %3, 0
  br i1 %.not9, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %22, %1
  tail call void @_ZNSt6vectorIP5QBodySaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #1
  ret void

.lr.ph:                                           ; preds = %1, %22
  %indvars.iv = phi i64 [ %indvars.iv.next, %22 ], [ 0, %1 ]
  %4 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP5QBodySaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #1
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %.not = icmp eq ptr %5, null
  br i1 %.not, label %22, label %6

6:                                                ; preds = %.lr.ph
  %7 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP5QBodySaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #1
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %8, i64 256
  %10 = load i8, ptr %9, align 8, !tbaa !9, !range !26, !noundef !27
  %11 = icmp eq i8 %10, 0
  br i1 %11, label %12, label %22

12:                                               ; preds = %6
  %13 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP5QBodySaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #1
  %14 = load ptr, ptr %13, align 8, !tbaa !5
  %15 = icmp eq ptr %14, null
  br i1 %15, label %20, label %16

16:                                               ; preds = %12
  %17 = load ptr, ptr %14, align 8, !tbaa !28
  %18 = getelementptr inbounds i8, ptr %17, i64 32
  %19 = load ptr, ptr %18, align 8
  tail call void %19(ptr noundef nonnull align 8 dereferenceable(293) %14) #1
  br label %20

20:                                               ; preds = %16, %12
  %21 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP5QBodySaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #1
  store ptr null, ptr %21, align 8, !tbaa !5
  br label %22

22:                                               ; preds = %.lr.ph, %20, %6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %23 = tail call noundef i64 @_ZNKSt6vectorIP5QBodySaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #1
  %24 = icmp ugt i64 %23, %indvars.iv.next
  br i1 %24, label %.lr.ph, label %._crit_edge, !llvm.loop !30
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP5QBodySaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) 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 = { 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, !15, i64 256}
!10 = !{!"_ZTS5QBody", !11, i64 8, !11, i64 12, !6, i64 16, !12, i64 24, !12, i64 32, !11, i64 40, !11, i64 44, !13, i64 48, !14, i64 76, !15, i64 80, !15, i64 81, !15, i64 82, !11, i64 84, !16, i64 88, !15, i64 92, !11, i64 96, !15, i64 100, !15, i64 101, !12, i64 104, !11, i64 112, !11, i64 116, !11, i64 120, !11, i64 124, !11, i64 128, !17, i64 132, !17, i64 136, !15, i64 140, !15, i64 141, !15, i64 142, !17, i64 144, !17, i64 148, !17, i64 152, !15, i64 156, !18, i64 160, !18, i64 192, !20, i64 224, !15, i64 256, !21, i64 264, !25, i64 288, !15, i64 292}
!11 = !{!"float", !7, i64 0}
!12 = !{!"_ZTS7QVector", !11, i64 0, !11, i64 4}
!13 = !{!"_ZTS5QAABB", !12, i64 0, !12, i64 8, !12, i64 16, !11, i64 24}
!14 = !{!"_ZTSN5QBody5ModesE", !7, i64 0}
!15 = !{!"bool", !7, i64 0}
!16 = !{!"_ZTSN5QBody9BodyTypesE", !7, i64 0}
!17 = !{!"int", !7, i64 0}
!18 = !{!"_ZTSSt8functionIFvP5QBodyEE", !19, i64 0, !6, i64 24}
!19 = !{!"_ZTSSt14_Function_base", !7, i64 0, !6, i64 16}
!20 = !{!"_ZTSSt8functionIFbP5QBodyNS0_13CollisionInfoEEE", !19, i64 0, !6, i64 24}
!21 = !{!"_ZTSSt6vectorIP5QMeshSaIS1_EE", !22, i64 0}
!22 = !{!"_ZTSSt12_Vector_baseIP5QMeshSaIS1_EE", !23, i64 0}
!23 = !{!"_ZTSNSt12_Vector_baseIP5QMeshSaIS1_EE12_Vector_implE", !24, i64 0}
!24 = !{!"_ZTSNSt12_Vector_baseIP5QMeshSaIS1_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!25 = !{!"_ZTSN5QBody16SimulationModelsE", !7, i64 0}
!26 = !{i8 0, i8 2}
!27 = !{}
!28 = !{!29, !29, i64 0}
!29 = !{!"vtable pointer", !8, i64 0}
!30 = distinct !{!30, !31}
!31 = !{!"llvm.loop.mustprogress"}


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