; LLVM IR from Lakhankumawat/LearnCPP :: L-LinkedList/Clone a List with Random pointers/LinkedListClone.ll (Z5cloneP4Node)

; 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::unordered_map" = 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.Node = type { i32, ptr, ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z12insertAtTailRP4NodeS1_i(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #0

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z5cloneP4Node(ptr noundef %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %"class.std::unordered_map", align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  store ptr null, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  store ptr null, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  store ptr %10, ptr %5, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %14, %1
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = icmp ne ptr %12, null
  br i1 %13, label %14, label %21

14:                                               ; preds = %11
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = getelementptr inbounds %class.Node, ptr %15, i32 0, i32 0
  %17 = load i32, ptr %16, align 8, !tbaa !9
  call void @_Z12insertAtTailRP4NodeS1_i(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4, i32 noundef %17)
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = getelementptr inbounds %class.Node, ptr %18, i32 0, i32 1
  %20 = load ptr, ptr %19, align 8, !tbaa !12
  store ptr %20, ptr %5, align 8, !tbaa !5
  br label %11, !llvm.loop !13

21:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 56, ptr %6) #4
  call void @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %6) #4
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  store ptr %22, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %23, ptr %7, align 8, !tbaa !5
  br label %24

24:                                               ; preds = %30, %21
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = icmp ne ptr %25, null
  br i1 %26, label %27, label %41

27:                                               ; preds = %24
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(56) %6, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %30 unwind label %37

30:                                               ; preds = %27
  store ptr %28, ptr %29, align 8, !tbaa !5
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = getelementptr inbounds %class.Node, ptr %31, i32 0, i32 1
  %33 = load ptr, ptr %32, align 8, !tbaa !12
  store ptr %33, ptr %5, align 8, !tbaa !5
  %34 = load ptr, ptr %7, align 8, !tbaa !5
  %35 = getelementptr inbounds %class.Node, ptr %34, i32 0, i32 1
  %36 = load ptr, ptr %35, align 8, !tbaa !12
  store ptr %36, ptr %7, align 8, !tbaa !5
  br label %24, !llvm.loop !15

37:                                               ; preds = %47, %27
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %8, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %6) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %63

41:                                               ; preds = %24
  %42 = load ptr, ptr %2, align 8, !tbaa !5
  store ptr %42, ptr %5, align 8, !tbaa !5
  %43 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %43, ptr %7, align 8, !tbaa !5
  br label %44

44:                                               ; preds = %51, %41
  %45 = load ptr, ptr %5, align 8, !tbaa !5
  %46 = icmp ne ptr %45, null
  br i1 %46, label %47, label %61

47:                                               ; preds = %44
  %48 = load ptr, ptr %5, align 8, !tbaa !5
  %49 = getelementptr inbounds %class.Node, ptr %48, i32 0, i32 2
  %50 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(56) %6, ptr noundef nonnull align 8 dereferenceable(8) %49)
          to label %51 unwind label %37

51:                                               ; preds = %47
  %52 = load ptr, ptr %50, align 8, !tbaa !5
  %53 = load ptr, ptr %7, align 8, !tbaa !5
  %54 = getelementptr inbounds %class.Node, ptr %53, i32 0, i32 2
  store ptr %52, ptr %54, align 8, !tbaa !16
  %55 = load ptr, ptr %5, align 8, !tbaa !5
  %56 = getelementptr inbounds %class.Node, ptr %55, i32 0, i32 1
  %57 = load ptr, ptr %56, align 8, !tbaa !12
  store ptr %57, ptr %5, align 8, !tbaa !5
  %58 = load ptr, ptr %7, align 8, !tbaa !5
  %59 = getelementptr inbounds %class.Node, ptr %58, i32 0, i32 1
  %60 = load ptr, ptr %59, align 8, !tbaa !12
  store ptr %60, ptr %7, align 8, !tbaa !5
  br label %44, !llvm.loop !17

61:                                               ; preds = %44
  %62 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %6) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret ptr %62

63:                                               ; preds = %37
  %64 = load ptr, ptr %8, align 8
  %65 = load i32, ptr %9, align 4
  %66 = insertvalue { ptr, i32 } poison, ptr %64, 0
  %67 = insertvalue { ptr, i32 } %66, i32 %65, 1
  resume { ptr, i32 } %67
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTS4Node", !11, i64 0, !6, i64 8, !6, i64 16}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 8}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = !{!10, !6, i64 16}
!17 = distinct !{!17, !14}


; 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::unordered_map" = 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 }

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z12insertAtTailRP4NodeS1_i(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8), 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

declare i32 @__gxx_personality_v0(...)

; 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 uwtable
define dso_local noundef ptr @_Z5cloneP4Node(ptr noundef %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::unordered_map", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  store ptr null, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  store ptr null, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %.not12 = icmp eq ptr %0, null
  br i1 %.not12, label %._crit_edge.thread, label %.lr.ph

._crit_edge.thread:                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %5) #4
  call void @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #4
  br label %._crit_edge19.thread

.lr.ph:                                           ; preds = %1, %.lr.ph
  %6 = phi ptr [ %9, %.lr.ph ], [ %0, %1 ]
  %7 = load i32, ptr %6, align 8, !tbaa !9
  call void @_Z12insertAtTailRP4NodeS1_i(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef %7)
  %8 = getelementptr inbounds i8, ptr %6, i64 8
  %9 = load ptr, ptr %8, align 8, !tbaa !12
  %.not = icmp eq ptr %9, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %5) #4
  call void @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #4
  store ptr %0, ptr %4, align 8, !tbaa !5
  br i1 %.not12, label %._crit_edge19.thread, label %.lr.ph18

.lr.ph18:                                         ; preds = %._crit_edge, %11
  %.016.in = phi ptr [ %15, %11 ], [ %2, %._crit_edge ]
  %.016 = load ptr, ptr %.016.in, align 8, !tbaa !5
  %10 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(56) %5, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %11 unwind label %.loopexit.split-lp

11:                                               ; preds = %.lr.ph18
  store ptr %.016, ptr %10, align 8, !tbaa !5
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %12, i64 8
  %14 = load ptr, ptr %13, align 8, !tbaa !12
  store ptr %14, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds i8, ptr %.016, i64 8
  %.not10 = icmp eq ptr %14, null
  br i1 %.not10, label %._crit_edge19, label %.lr.ph18, !llvm.loop !15

.loopexit:                                        ; preds = %.lr.ph24
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %16

.loopexit.split-lp:                               ; preds = %.lr.ph18
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %16

16:                                               ; preds = %.loopexit.split-lp, %.loopexit
  %lpad.phi = phi { ptr, i32 } [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  resume { ptr, i32 } %lpad.phi

._crit_edge19.thread:                             ; preds = %._crit_edge.thread, %._crit_edge
  store ptr %0, ptr %4, align 8, !tbaa !5
  br label %._crit_edge25

._crit_edge19:                                    ; preds = %11
  store ptr %0, ptr %4, align 8, !tbaa !5
  br i1 %.not12, label %._crit_edge25, label %.lr.ph24

.lr.ph24:                                         ; preds = %._crit_edge19, %20
  %.122.in = phi ptr [ %26, %20 ], [ %2, %._crit_edge19 ]
  %17 = phi ptr [ %25, %20 ], [ %0, %._crit_edge19 ]
  %.122 = load ptr, ptr %.122.in, align 8, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %17, i64 16
  %19 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(56) %5, ptr noundef nonnull align 8 dereferenceable(8) %18)
          to label %20 unwind label %.loopexit

20:                                               ; preds = %.lr.ph24
  %21 = load ptr, ptr %19, align 8, !tbaa !5
  %22 = getelementptr inbounds i8, ptr %.122, i64 16
  store ptr %21, ptr %22, align 8, !tbaa !16
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = getelementptr inbounds i8, ptr %23, i64 8
  %25 = load ptr, ptr %24, align 8, !tbaa !12
  store ptr %25, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds i8, ptr %.122, i64 8
  %.not11 = icmp eq ptr %25, null
  br i1 %.not11, label %._crit_edge25, label %.lr.ph24, !llvm.loop !17

._crit_edge25:                                    ; preds = %20, %._crit_edge19.thread, %._crit_edge19
  %27 = load ptr, ptr %2, align 8, !tbaa !5
  call void @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  ret ptr %27
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIP4NodeS1_St4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 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 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTS4Node", !11, i64 0, !6, i64 8, !6, i64 16}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 8}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = !{!10, !6, i64 16}
!17 = distinct !{!17, !14}


; Effective O3 passes: DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass