; LLVM IR from vczh/herodb :: Kernel/Source/Vlpp.ll (ZN2vl6stream11CacheStream5CloseEv)

; 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::stream::CacheStream" = type { %"class.vl::Object", ptr, i64, i64, i64, ptr, i64, i64, i64, i64, %"class.vl::stream::IStream" }
%"class.vl::Object" = type { ptr }
%"class.vl::stream::IStream" = type { %"class.vl::Interface" }
%"class.vl::Interface" = type { ptr }

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2vl6stream11CacheStream5FlushEv(ptr noundef nonnull align 8 dereferenceable(80)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2vl6stream11CacheStream5CloseEv(ptr noundef nonnull align 8 dereferenceable(80) %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
  call void @_ZN2vl6stream11CacheStream5FlushEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %4 = getelementptr inbounds %"class.vl::stream::CacheStream", ptr %3, i32 0, i32 1
  store ptr null, ptr %4, align 8, !tbaa !9
  %5 = getelementptr inbounds %"class.vl::stream::CacheStream", ptr %3, i32 0, i32 5
  %6 = load ptr, ptr %5, align 8, !tbaa !13
  %7 = icmp eq ptr %6, null
  br i1 %7, label %9, label %8

8:                                                ; preds = %1
  call void @_ZdaPv(ptr noundef %6) #2
  br label %9

9:                                                ; preds = %8, %1
  %10 = getelementptr inbounds %"class.vl::stream::CacheStream", ptr %3, i32 0, i32 5
  store ptr null, ptr %10, align 8, !tbaa !13
  %11 = getelementptr inbounds %"class.vl::stream::CacheStream", ptr %3, i32 0, i32 4
  store i64 -1, ptr %11, align 8, !tbaa !14
  %12 = getelementptr inbounds %"class.vl::stream::CacheStream", ptr %3, i32 0, i32 6
  store i64 0, ptr %12, align 8, !tbaa !15
  %13 = getelementptr inbounds %"class.vl::stream::CacheStream", ptr %3, i32 0, i32 7
  store i64 0, ptr %13, align 8, !tbaa !16
  %14 = getelementptr inbounds %"class.vl::stream::CacheStream", ptr %3, i32 0, i32 8
  store i64 0, ptr %14, align 8, !tbaa !17
  %15 = getelementptr inbounds %"class.vl::stream::CacheStream", ptr %3, i32 0, i32 9
  store i64 -1, ptr %15, align 8, !tbaa !18
  ret void
}

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 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 = { 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 8}
!10 = !{!"_ZTSN2vl6stream11CacheStreamE", !11, i64 0, !6, i64 8, !12, i64 16, !12, i64 24, !12, i64 32, !6, i64 40, !12, i64 48, !12, i64 56, !12, i64 64, !12, i64 72}
!11 = !{!"_ZTSN2vl6ObjectE"}
!12 = !{!"long", !7, i64 0}
!13 = !{!10, !6, i64 40}
!14 = !{!10, !12, i64 32}
!15 = !{!10, !12, i64 48}
!16 = !{!10, !12, i64 56}
!17 = !{!10, !12, i64 64}
!18 = !{!10, !12, i64 72}


; 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: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2vl6stream11CacheStream5FlushEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2vl6stream11CacheStream5CloseEv(ptr noundef nonnull align 8 dereferenceable(80) %0) unnamed_addr #1 align 2 {
  tail call void @_ZN2vl6stream11CacheStream5FlushEv(ptr noundef nonnull align 8 dereferenceable(80) %0)
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  store ptr null, ptr %2, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 40
  %4 = load ptr, ptr %3, align 8, !tbaa !12
  %5 = icmp eq ptr %4, null
  br i1 %5, label %7, label %6

6:                                                ; preds = %1
  tail call void @_ZdaPv(ptr noundef nonnull %4) #3
  br label %7

7:                                                ; preds = %6, %1
  store ptr null, ptr %3, align 8, !tbaa !12
  %8 = getelementptr inbounds i8, ptr %0, i64 32
  store i64 -1, ptr %8, align 8, !tbaa !13
  %9 = getelementptr inbounds i8, ptr %0, i64 48
  %10 = getelementptr inbounds i8, ptr %0, i64 72
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %9, i8 0, i64 24, i1 false)
  store i64 -1, ptr %10, align 8, !tbaa !14
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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, !8, i64 8}
!6 = !{!"_ZTSN2vl6stream11CacheStreamE", !7, i64 0, !8, i64 8, !11, i64 16, !11, i64 24, !11, i64 32, !8, i64 40, !11, i64 48, !11, i64 56, !11, i64 64, !11, i64 72}
!7 = !{!"_ZTSN2vl6ObjectE"}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"long", !9, i64 0}
!12 = !{!6, !8, i64 40}
!13 = !{!6, !11, i64 32}
!14 = !{!6, !11, i64 72}


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