; LLVM IR from Antares0982/lockfree-threadpool :: src/LockfreeQueue.ll (ZN7Antares13LockfreeQueueD2Ev)

; 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.Antares::LockfreeQueue" = type { ptr, %"struct.std::atomic.2" }
%"struct.std::atomic.2" = type { %"struct.std::__atomic_base.3" }
%"struct.std::__atomic_base.3" = type { i64 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN7Antares9translateEPv(ptr noundef) #0

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN7Antares13LockfreeQueueD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %5 = getelementptr inbounds %"class.Antares::LockfreeQueue", ptr %4, i32 0, i32 0
  %6 = load ptr, ptr %5, align 8, !tbaa !9
  %7 = call noundef ptr @_ZN7Antares9translateEPv(ptr noundef %6)
  store ptr %7, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds %"class.Antares::LockfreeQueue", ptr %4, i32 0, i32 0
  store ptr null, ptr %8, align 8, !tbaa !9
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = icmp eq ptr %9, null
  br i1 %10, label %12, label %11

11:                                               ; preds = %1
  call void @_ZN10moodycamel15ConcurrentQueueISt8functionIFvvEEN7Antares26LockfreeQueueDefaultTraitsEED2Ev(ptr noundef nonnull align 8 dereferenceable(612) %9) #3
  call void @_ZdlPvm(ptr noundef %9, i64 noundef 616) #4
  br label %12

12:                                               ; preds = %11, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN10moodycamel15ConcurrentQueueISt8functionIFvvEEN7Antares26LockfreeQueueDefaultTraitsEED2Ev(ptr noundef nonnull align 8 dereferenceable(612)) unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { nobuiltin 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nounwind }
attributes #4 = { builtin 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, !6, i64 0}
!10 = !{!"_ZTSN7Antares13LockfreeQueueE", !6, i64 0, !11, i64 8}
!11 = !{!"_ZTSSt6atomicImE", !12, i64 0}
!12 = !{!"_ZTSSt13__atomic_baseImE", !13, i64 0}
!13 = !{!"long", !7, 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"

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN7Antares9translateEPv(ptr noundef) local_unnamed_addr #0

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN7Antares13LockfreeQueueD2Ev(ptr nocapture noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #0 align 2 {
  %2 = load ptr, ptr %0, align 8, !tbaa !5
  %3 = tail call noundef ptr @_ZN7Antares9translateEPv(ptr noundef %2)
  store ptr null, ptr %0, align 8, !tbaa !5
  %4 = icmp eq ptr %3, null
  br i1 %4, label %6, label %5

5:                                                ; preds = %1
  tail call void @_ZN10moodycamel15ConcurrentQueueISt8functionIFvvEEN7Antares26LockfreeQueueDefaultTraitsEED2Ev(ptr noundef nonnull align 8 dereferenceable(612) %3) #2
  tail call void @_ZdlPvm(ptr noundef nonnull %3, i64 noundef 616) #3
  br label %6

6:                                                ; preds = %5, %1
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN10moodycamel15ConcurrentQueueISt8functionIFvvEEN7Antares26LockfreeQueueDefaultTraitsEED2Ev(ptr noundef nonnull align 8 dereferenceable(612)) 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 = { nobuiltin 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 #2 = { nounwind }
attributes #3 = { builtin 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, !7, i64 0}
!6 = !{!"_ZTSN7Antares13LockfreeQueueE", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt6atomicImE", !11, i64 0}
!11 = !{!"_ZTSSt13__atomic_baseImE", !12, i64 0}
!12 = !{!"long", !8, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass