; LLVM IR from cruppstahl/upscaledb :: src/4uqi/plugins.ll (ZN9upscaledb13PluginManager7cleanupEv)

; 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<void *, std::allocator<void *>>::_Vector_impl" }
%"struct.std::_Vector_base<void *, std::allocator<void *>>::_Vector_impl" = type { %"struct.std::_Vector_base<void *, std::allocator<void *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<void *, std::allocator<void *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.upscaledb::Mutex" = type { %"class.boost::mutex" }
%"class.boost::mutex" = type { %union.pthread_mutex_t }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.boost::unique_lock" = type <{ ptr, i8, [7 x i8] }>
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZN9upscaledbL7handlesE = external hidden global %"class.std::vector", align 8
@_ZN9upscaledbL12handle_mutexE = external hidden global %"struct.upscaledb::Mutex", 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 uwtable
define dso_local void @_ZN9upscaledb13PluginManager7cleanupEv() #1 align 2 {
  %1 = alloca %"class.boost::unique_lock", align 8
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %1) #5
  call void @_ZN5boost11unique_lockINS_5mutexEEC2ERS1_(ptr noundef nonnull align 8 dereferenceable(9) %1, ptr noundef nonnull align 8 dereferenceable(40) @_ZN9upscaledbL12handle_mutexE)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %5 = call ptr @_ZNSt6vectorIPvSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN9upscaledbL7handlesE) #5
  %6 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %2, i32 0, i32 0
  store ptr %5, ptr %6, align 8
  br label %7

7:                                                ; preds = %16, %0
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %8 = call ptr @_ZNSt6vectorIPvSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN9upscaledbL7handlesE) #5
  %9 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %3, i32 0, i32 0
  store ptr %8, ptr %9, align 8
  %10 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPvSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  br i1 %10, label %12, label %11

11:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %19

12:                                               ; preds = %7
  %13 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPvSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  %14 = load ptr, ptr %13, align 8, !tbaa !5
  %15 = call i32 @dlclose(ptr noundef %14) #5
  br label %16

16:                                               ; preds = %12
  %17 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPPvSt6vectorIS1_SaIS1_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 noundef 0) #5
  %18 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  store ptr %17, ptr %18, align 8
  br label %7, !llvm.loop !9

19:                                               ; preds = %11
  call void @_ZNSt6vectorIPvSaIS0_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN9upscaledbL7handlesE) #5
  call void @_ZN5boost11unique_lockINS_5mutexEED2Ev(ptr noundef nonnull align 8 dereferenceable(9) %1) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %1) #5
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5boost11unique_lockINS_5mutexEEC2ERS1_(ptr noundef nonnull align 8 dereferenceable(9), ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPvSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPvSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPvSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: nounwind
declare i32 @dlclose(ptr noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPvSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPPvSt6vectorIS1_SaIS1_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPvSaIS0_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5boost11unique_lockINS_5mutexEED2Ev(ptr noundef nonnull align 8 dereferenceable(9)) unnamed_addr #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 "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 = distinct !{!9, !10}
!10 = !{!"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"

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<void *, std::allocator<void *>>::_Vector_impl" }
%"struct.std::_Vector_base<void *, std::allocator<void *>>::_Vector_impl" = type { %"struct.std::_Vector_base<void *, std::allocator<void *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<void *, std::allocator<void *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.upscaledb::Mutex" = type { %"class.boost::mutex" }
%"class.boost::mutex" = type { %union.pthread_mutex_t }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.boost::unique_lock" = type <{ ptr, i8, [7 x i8] }>
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZN9upscaledbL7handlesE = external hidden global %"class.std::vector", align 8
@_ZN9upscaledbL12handle_mutexE = external hidden global %"struct.upscaledb::Mutex", 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 uwtable
define dso_local void @_ZN9upscaledb13PluginManager7cleanupEv() local_unnamed_addr #1 align 2 {
  %1 = alloca %"class.boost::unique_lock", align 8
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %1) #5
  call void @_ZN5boost11unique_lockINS_5mutexEEC2ERS1_(ptr noundef nonnull align 8 dereferenceable(9) %1, ptr noundef nonnull align 8 dereferenceable(40) @_ZN9upscaledbL12handle_mutexE)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %4 = call ptr @_ZNSt6vectorIPvSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN9upscaledbL7handlesE) #5
  store ptr %4, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %5 = call ptr @_ZNSt6vectorIPvSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN9upscaledbL7handlesE) #5
  store ptr %5, ptr %3, align 8
  %6 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPvSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br i1 %6, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @_ZNSt6vectorIPvSaIS0_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN9upscaledbL7handlesE) #5
  call void @_ZN5boost11unique_lockINS_5mutexEED2Ev(ptr noundef nonnull align 8 dereferenceable(9) %1) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %1) #5
  ret void

.lr.ph:                                           ; preds = %0, %.lr.ph
  %7 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPvSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  %9 = call i32 @dlclose(ptr noundef %8) #5
  %10 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPPvSt6vectorIS1_SaIS1_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 noundef 0) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %11 = call ptr @_ZNSt6vectorIPvSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @_ZN9upscaledbL7handlesE) #5
  store ptr %11, ptr %3, align 8
  %12 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPvSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br i1 %12, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5boost11unique_lockINS_5mutexEEC2ERS1_(ptr noundef nonnull align 8 dereferenceable(9), ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPvSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPvSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPvSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: nounwind
declare i32 @dlclose(ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPvSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPPvSt6vectorIS1_SaIS1_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPvSaIS0_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5boost11unique_lockINS_5mutexEED2Ev(ptr noundef nonnull align 8 dereferenceable(9)) unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 "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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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