; LLVM IR from microsoft/Multiverso :: src/table_factory.ll (ZN10multiverso13table_factory16FreeServerTablesEv)

; 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<multiverso::ServerTable *, std::allocator<multiverso::ServerTable *>>::_Vector_impl" }
%"struct.std::_Vector_base<multiverso::ServerTable *, std::allocator<multiverso::ServerTable *>>::_Vector_impl" = type { %"struct.std::_Vector_base<multiverso::ServerTable *, std::allocator<multiverso::ServerTable *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<multiverso::ServerTable *, std::allocator<multiverso::ServerTable *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZN10multiverso13table_factory13server_tablesE = external dso_local global %"class.std::vector", align 8

; 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
define dso_local void @_ZN10multiverso13table_factory16FreeServerTablesEv() #1 {
  %1 = alloca ptr, align 8
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #3
  store ptr @_ZN10multiverso13table_factory13server_tablesE, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  %5 = call ptr @_ZNSt6vectorIPN10multiverso11ServerTableESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN10multiverso13table_factory13server_tablesE) #3
  %6 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %2, i32 0, i32 0
  store ptr %5, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %7 = call ptr @_ZNSt6vectorIPN10multiverso11ServerTableESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN10multiverso13table_factory13server_tablesE) #3
  %8 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %3, i32 0, i32 0
  store ptr %7, ptr %8, align 8
  br label %9

9:                                                ; preds = %22, %0
  %10 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN10multiverso11ServerTableESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  br i1 %10, label %12, label %11

11:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #3
  br label %24

12:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %13 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN10multiverso11ServerTableESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  %14 = load ptr, ptr %13, align 8, !tbaa !5
  store ptr %14, ptr %4, align 8, !tbaa !5
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = icmp eq ptr %15, null
  br i1 %16, label %21, label %17

17:                                               ; preds = %12
  %18 = load ptr, ptr %15, align 8, !tbaa !9
  %19 = getelementptr inbounds ptr, ptr %18, i64 3
  %20 = load ptr, ptr %19, align 8
  call void %20(ptr noundef nonnull align 8 dereferenceable(8) %15) #3
  br label %21

21:                                               ; preds = %17, %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  br label %22

22:                                               ; preds = %21
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN10multiverso11ServerTableESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  br label %9

24:                                               ; preds = %11
  call void @_ZNSt6vectorIPN10multiverso11ServerTableESaIS2_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN10multiverso13table_factory13server_tablesE) #3
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN10multiverso11ServerTableESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN10multiverso11ServerTableESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPN10multiverso11ServerTableESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN10multiverso11ServerTableESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN10multiverso11ServerTableESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN10multiverso11ServerTableESaIS2_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 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"vtable pointer", !8, 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<multiverso::ServerTable *, std::allocator<multiverso::ServerTable *>>::_Vector_impl" }
%"struct.std::_Vector_base<multiverso::ServerTable *, std::allocator<multiverso::ServerTable *>>::_Vector_impl" = type { %"struct.std::_Vector_base<multiverso::ServerTable *, std::allocator<multiverso::ServerTable *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<multiverso::ServerTable *, std::allocator<multiverso::ServerTable *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZN10multiverso13table_factory13server_tablesE = external dso_local global %"class.std::vector", align 8

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

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

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN10multiverso13table_factory16FreeServerTablesEv() local_unnamed_addr #1 {
  %1 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  %3 = tail call ptr @_ZNSt6vectorIPN10multiverso11ServerTableESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN10multiverso13table_factory13server_tablesE) #3
  store ptr %3, ptr %1, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  %4 = tail call ptr @_ZNSt6vectorIPN10multiverso11ServerTableESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN10multiverso13table_factory13server_tablesE) #3
  store ptr %4, ptr %2, align 8
  %5 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN10multiverso11ServerTableESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  br i1 %5, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %13, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #3
  call void @_ZNSt6vectorIPN10multiverso11ServerTableESaIS2_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN10multiverso13table_factory13server_tablesE) #3
  ret void

.lr.ph:                                           ; preds = %0, %13
  %6 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN10multiverso11ServerTableESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #3
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  %8 = icmp eq ptr %7, null
  br i1 %8, label %13, label %9

9:                                                ; preds = %.lr.ph
  %10 = load ptr, ptr %7, align 8, !tbaa !9
  %11 = getelementptr inbounds i8, ptr %10, i64 24
  %12 = load ptr, ptr %11, align 8
  call void %12(ptr noundef nonnull align 8 dereferenceable(8) %7) #3
  br label %13

13:                                               ; preds = %9, %.lr.ph
  %14 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN10multiverso11ServerTableESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #3
  %15 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN10multiverso11ServerTableESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  br i1 %15, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN10multiverso11ServerTableESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN10multiverso11ServerTableESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPN10multiverso11ServerTableESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(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 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN10multiverso11ServerTableESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN10multiverso11ServerTableESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN10multiverso11ServerTableESaIS2_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress 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 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}


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