; LLVM IR from maliput/maliput :: src/maliput/utility/thread_pool.ll (ZN7maliput7utility10ThreadPool6FinishEv)

; 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::unique_lock" = type <{ ptr, i8, [7 x i8] }>
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.maliput::utility::ThreadPool" = type <{ %"class.std::mutex", %"class.std::mutex", %"class.std::condition_variable", %"class.std::condition_variable", %"class.std::deque", %"class.std::vector", %"struct.std::atomic", %"struct.std::atomic", [6 x i8] }>
%"class.std::mutex" = type { %"class.std::__mutex_base" }
%"class.std::__mutex_base" = 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.std::condition_variable" = type { %"class.std::__condvar" }
%"class.std::__condvar" = type { %union.pthread_cond_t }
%union.pthread_cond_t = type { %struct.__pthread_cond_s }
%struct.__pthread_cond_s = type { %union.__atomic_wide_counter, %union.__atomic_wide_counter, [2 x i32], [2 x i32], i32, i32, [2 x i32] }
%union.__atomic_wide_counter = type { i64 }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::packaged_task<void ()>, std::allocator<std::packaged_task<void ()>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::packaged_task<void ()>, std::allocator<std::packaged_task<void ()>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::packaged_task<void ()>, std::allocator<std::packaged_task<void ()>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::packaged_task<void ()>, std::allocator<std::packaged_task<void ()>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::future<void>, std::allocator<std::future<void>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::future<void>, std::allocator<std::future<void>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::future<void>, std::allocator<std::future<void>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::future<void>, std::allocator<std::future<void>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::atomic" = type { %"struct.std::__atomic_base" }
%"struct.std::__atomic_base" = type { i8 }

; 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 @_ZN7maliput7utility10ThreadPool6FinishEv(ptr noundef nonnull align 8 dereferenceable(282) %0) #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::unique_lock", align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %8 = load ptr, ptr %2, align 8
  %9 = getelementptr inbounds %"class.maliput::utility::ThreadPool", ptr %8, i32 0, i32 7
  %10 = call noundef zeroext i1 @_ZNSt6atomicIbEaSEb(ptr noundef nonnull align 1 dereferenceable(1) %9, i1 noundef zeroext true) #5
  call void @llvm.lifetime.start.p0(i64 16, ptr %3) #5
  %11 = getelementptr inbounds %"class.maliput::utility::ThreadPool", ptr %8, i32 0, i32 0
  call void @_ZNSt11unique_lockISt5mutexEC2ERS0_(ptr noundef nonnull align 8 dereferenceable(9) %3, ptr noundef nonnull align 8 dereferenceable(40) %11)
  %12 = getelementptr inbounds %"class.maliput::utility::ThreadPool", ptr %8, i32 0, i32 2
  call void @_ZNSt18condition_variable10notify_allEv(ptr noundef nonnull align 8 dereferenceable(48) %12) #5
  call void @_ZNSt11unique_lockISt5mutexED2Ev(ptr noundef nonnull align 8 dereferenceable(9) %3) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %13 = getelementptr inbounds %"class.maliput::utility::ThreadPool", ptr %8, i32 0, i32 5
  store ptr %13, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = call ptr @_ZNSt6vectorISt6futureIvESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #5
  %16 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %5, i32 0, i32 0
  store ptr %15, ptr %16, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = call ptr @_ZNSt6vectorISt6futureIvESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #5
  %19 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  store ptr %18, ptr %19, align 8
  br label %20

20:                                               ; preds = %26, %1
  %21 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6futureIvESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  br i1 %21, label %23, label %22

22:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %28

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6futureIvESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  store ptr %24, ptr %7, align 8, !tbaa !5
  %25 = load ptr, ptr %7, align 8, !tbaa !5
  call void @_ZNKSt14__basic_futureIvE4waitEv(ptr noundef nonnull align 8 dereferenceable(16) %25)
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %26

26:                                               ; preds = %23
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6futureIvESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br label %20

28:                                               ; preds = %22
  %29 = getelementptr inbounds %"class.maliput::utility::ThreadPool", ptr %8, i32 0, i32 5
  call void @_ZNSt6vectorISt6futureIvESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #5
  %30 = getelementptr inbounds %"class.maliput::utility::ThreadPool", ptr %8, i32 0, i32 6
  %31 = call noundef zeroext i1 @_ZNSt6atomicIbEaSEb(ptr noundef nonnull align 1 dereferenceable(1) %30, i1 noundef zeroext false) #5
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt11unique_lockISt5mutexEC2ERS0_(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 noundef zeroext i1 @_ZNSt6atomicIbEaSEb(ptr noundef nonnull align 1 dereferenceable(1), i1 noundef zeroext) #2 align 2

; Function Attrs: nounwind
declare void @_ZNSt18condition_variable10notify_allEv(ptr noundef nonnull align 8 dereferenceable(48)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt11unique_lockISt5mutexED2Ev(ptr noundef nonnull align 8 dereferenceable(9)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt6futureIvESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt6futureIvESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6futureIvESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6futureIvESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNKSt14__basic_futureIvE4waitEv(ptr noundef nonnull align 8 dereferenceable(16)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6futureIvESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt6futureIvESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #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 = { 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 #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"}


; 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::unique_lock" = type <{ ptr, i8, [7 x i8] }>
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; 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 @_ZN7maliput7utility10ThreadPool6FinishEv(ptr noundef nonnull align 8 dereferenceable(282) %0) local_unnamed_addr #1 align 2 {
  %2 = alloca %"class.std::unique_lock", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = getelementptr inbounds i8, ptr %0, i64 281
  %6 = tail call noundef zeroext i1 @_ZNSt6atomicIbEaSEb(ptr noundef nonnull align 1 dereferenceable(1) %5, i1 noundef zeroext true) #5
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %2) #5
  call void @_ZNSt11unique_lockISt5mutexEC2ERS0_(ptr noundef nonnull align 8 dereferenceable(9) %2, ptr noundef nonnull align 8 dereferenceable(40) %0)
  %7 = getelementptr inbounds i8, ptr %0, i64 80
  call void @_ZNSt18condition_variable10notify_allEv(ptr noundef nonnull align 8 dereferenceable(48) %7) #5
  call void @_ZNSt11unique_lockISt5mutexED2Ev(ptr noundef nonnull align 8 dereferenceable(9) %2) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #5
  %8 = getelementptr inbounds i8, ptr %0, i64 256
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %9 = call ptr @_ZNSt6vectorISt6futureIvESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  store ptr %9, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %10 = call ptr @_ZNSt6vectorISt6futureIvESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  store ptr %10, ptr %4, align 8
  %11 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6futureIvESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  br i1 %11, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @_ZNSt6vectorISt6futureIvESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  %12 = getelementptr inbounds i8, ptr %0, i64 280
  %13 = call noundef zeroext i1 @_ZNSt6atomicIbEaSEb(ptr noundef nonnull align 1 dereferenceable(1) %12, i1 noundef zeroext false) #5
  ret void

.lr.ph:                                           ; preds = %1, %.lr.ph
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6futureIvESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  call void @_ZNKSt14__basic_futureIvE4waitEv(ptr noundef nonnull align 8 dereferenceable(16) %14)
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6futureIvESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  %16 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6futureIvESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  br i1 %16, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt11unique_lockISt5mutexEC2ERS0_(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 noundef zeroext i1 @_ZNSt6atomicIbEaSEb(ptr noundef nonnull align 1 dereferenceable(1), i1 noundef zeroext) local_unnamed_addr #2 align 2

; Function Attrs: nounwind
declare void @_ZNSt18condition_variable10notify_allEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt11unique_lockISt5mutexED2Ev(ptr noundef nonnull align 8 dereferenceable(9)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt6futureIvESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt6futureIvESaIS1_EE3endEv(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_cxxneIPSt6futureIvESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6futureIvESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNKSt14__basic_futureIvE4waitEv(ptr noundef nonnull align 8 dereferenceable(16)) 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_iteratorIPSt6futureIvESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt6futureIvESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_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 = { 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 #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)"}


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