; LLVM IR from vczh/herodb :: Kernel/Source/Vlpp.ll (ZN2vl15CriticalSectionD2Ev)

; 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::CriticalSection" = type { %"class.vl::Object", ptr }
%"class.vl::Object" = type { ptr }
%"struct.vl::threading_internal::CriticalSectionData" = 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 }

@_ZTVN2vl15CriticalSectionE = external dso_local unnamed_addr constant { [4 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 @_ZN2vl15CriticalSectionD2Ev(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, 16) ({ [4 x ptr] }, ptr @_ZTVN2vl15CriticalSectionE, i32 0, i32 0, i32 2), ptr %3, align 8, !tbaa !9
  %4 = getelementptr inbounds %"class.vl::CriticalSection", ptr %3, i32 0, i32 1
  %5 = load ptr, ptr %4, align 8, !tbaa !11
  %6 = getelementptr inbounds %"struct.vl::threading_internal::CriticalSectionData", ptr %5, i32 0, i32 0
  %7 = call i32 @pthread_mutex_destroy(ptr noundef %6) #3
  %8 = getelementptr inbounds %"class.vl::CriticalSection", ptr %3, i32 0, i32 1
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  %10 = icmp eq ptr %9, null
  br i1 %10, label %12, label %11

11:                                               ; preds = %1
  call void @_ZdlPvm(ptr noundef %9, i64 noundef 40) #4
  br label %12

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

; Function Attrs: nounwind
declare i32 @pthread_mutex_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 = !{!"_ZTSN2vl15CriticalSectionE", !13, i64 0, !6, i64 8}
!13 = !{!"_ZTSN2vl6ObjectE"}


; 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"

@_ZTVN2vl15CriticalSectionE = external dso_local unnamed_addr constant { [4 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 @_ZN2vl15CriticalSectionD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #1 align 2 {
  store ptr getelementptr inbounds inrange(-16, 16) (i8, ptr @_ZTVN2vl15CriticalSectionE, 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
  %4 = tail call i32 @pthread_mutex_destroy(ptr noundef %3) #3
  %5 = load ptr, ptr %2, align 8, !tbaa !8
  %6 = icmp eq ptr %5, null
  br i1 %6, label %8, label %7

7:                                                ; preds = %1
  tail call void @_ZdlPvm(ptr noundef nonnull %5, i64 noundef 40) #4
  br label %8

8:                                                ; preds = %7, %1
  tail call void @_ZN2vl6ObjectD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) #3
  ret void
}

; Function Attrs: nounwind
declare i32 @pthread_mutex_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, !11, i64 8}
!9 = !{!"_ZTSN2vl15CriticalSectionE", !10, i64 0, !11, i64 8}
!10 = !{!"_ZTSN2vl6ObjectE"}
!11 = !{!"any pointer", !12, i64 0}
!12 = !{!"omnipotent char", !7, i64 0}


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