; LLVM IR from vczh/herodb :: Kernel/Source/Vlpp.ll (ZN2vl9SemaphoreD2Ev)

; 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.vl::Semaphore" = type { %"class.vl::WaitableObject", ptr }
%"class.vl::WaitableObject" = type { %"class.vl::Object" }
%"class.vl::Object" = type { ptr }
%"struct.vl::threading_internal::SemaphoreData" = type { %union.sem_t, ptr }
%union.sem_t = type { i64, [24 x i8] }

@_ZTVN2vl9SemaphoreE = external dso_local unnamed_addr constant { [5 x ptr] }, align 8

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN2vl9SemaphoreD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #1 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  store ptr getelementptr inbounds inrange(-16, 24) ({ [5 x ptr] }, ptr @_ZTVN2vl9SemaphoreE, i32 0, i32 0, i32 2), ptr %3, align 8, !tbaa !9
  %4 = getelementptr inbounds %"class.vl::Semaphore", ptr %3, i32 0, i32 1
  %5 = load ptr, ptr %4, align 8, !tbaa !11
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %30

7:                                                ; preds = %1
  %8 = getelementptr inbounds %"class.vl::Semaphore", ptr %3, i32 0, i32 1
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  %10 = getelementptr inbounds %"struct.vl::threading_internal::SemaphoreData", ptr %9, i32 0, i32 1
  %11 = load ptr, ptr %10, align 8, !tbaa !15
  %12 = icmp ne ptr %11, null
  br i1 %12, label %13, label %19

13:                                               ; preds = %7
  %14 = getelementptr inbounds %"class.vl::Semaphore", ptr %3, i32 0, i32 1
  %15 = load ptr, ptr %14, align 8, !tbaa !11
  %16 = getelementptr inbounds %"struct.vl::threading_internal::SemaphoreData", ptr %15, i32 0, i32 1
  %17 = load ptr, ptr %16, align 8, !tbaa !15
  %18 = call i32 @sem_close(ptr noundef %17) #3
  br label %24

19:                                               ; preds = %7
  %20 = getelementptr inbounds %"class.vl::Semaphore", ptr %3, i32 0, i32 1
  %21 = load ptr, ptr %20, align 8, !tbaa !11
  %22 = getelementptr inbounds %"struct.vl::threading_internal::SemaphoreData", ptr %21, i32 0, i32 0
  %23 = call i32 @sem_destroy(ptr noundef %22) #3
  br label %24

24:                                               ; preds = %19, %13
  %25 = getelementptr inbounds %"class.vl::Semaphore", ptr %3, i32 0, i32 1
  %26 = load ptr, ptr %25, align 8, !tbaa !11
  %27 = icmp eq ptr %26, null
  br i1 %27, label %29, label %28

28:                                               ; preds = %24
  call void @_ZdlPvm(ptr noundef %26, i64 noundef 40) #4
  br label %29

29:                                               ; preds = %28, %24
  br label %30

30:                                               ; preds = %29, %1
  call void @_ZN2vl6ObjectD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  ret void
}

; Function Attrs: nounwind
declare i32 @sem_close(ptr noundef) #2

; Function Attrs: nounwind
declare i32 @sem_destroy(ptr noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl6ObjectD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

attributes #0 = { 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 #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 = { 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 #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, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"_ZTSN2vl9SemaphoreE", !13, i64 0, !6, i64 8}
!13 = !{!"_ZTSN2vl14WaitableObjectE", !14, i64 0}
!14 = !{!"_ZTSN2vl6ObjectE"}
!15 = !{!16, !6, i64 32}
!16 = !{!"_ZTSN2vl18threading_internal13SemaphoreDataE", !7, i64 0, !6, i64 32}


; 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"

@_ZTVN2vl9SemaphoreE = external dso_local unnamed_addr constant { [5 x ptr] }, align 8

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN2vl9SemaphoreD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #1 align 2 {
  store ptr getelementptr inbounds inrange(-16, 24) (i8, ptr @_ZTVN2vl9SemaphoreE, i64 16), ptr %0, align 8, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load ptr, ptr %2, align 8, !tbaa !8
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %15, label %4

4:                                                ; preds = %1
  %5 = getelementptr inbounds i8, ptr %3, i64 32
  %6 = load ptr, ptr %5, align 8, !tbaa !14
  %.not3 = icmp eq ptr %6, null
  br i1 %.not3, label %9, label %7

7:                                                ; preds = %4
  %8 = tail call i32 @sem_close(ptr noundef nonnull %6) #3
  br label %11

9:                                                ; preds = %4
  %10 = tail call i32 @sem_destroy(ptr noundef nonnull %3) #3
  br label %11

11:                                               ; preds = %9, %7
  %12 = load ptr, ptr %2, align 8, !tbaa !8
  %13 = icmp eq ptr %12, null
  br i1 %13, label %15, label %14

14:                                               ; preds = %11
  tail call void @_ZdlPvm(ptr noundef nonnull %12, i64 noundef 40) #4
  br label %15

15:                                               ; preds = %11, %14, %1
  tail call void @_ZN2vl6ObjectD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) #3
  ret void
}

; Function Attrs: nounwind
declare i32 @sem_close(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind
declare i32 @sem_destroy(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl6ObjectD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

attributes #0 = { 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 #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 = { 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !12, i64 8}
!9 = !{!"_ZTSN2vl9SemaphoreE", !10, i64 0, !12, i64 8}
!10 = !{!"_ZTSN2vl14WaitableObjectE", !11, i64 0}
!11 = !{!"_ZTSN2vl6ObjectE"}
!12 = !{!"any pointer", !13, i64 0}
!13 = !{!"omnipotent char", !7, i64 0}
!14 = !{!15, !12, i64 32}
!15 = !{!"_ZTSN2vl18threading_internal13SemaphoreDataE", !13, i64 0, !12, i64 32}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass