; LLVM IR from GPUOpen-LibrariesAndSDKs/TAN :: amf/public/common/DataStreamMemory.ll (ZN3amf23AMFDataStreamMemoryImpl5CloseEv)

; 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.amf::AMFDataStreamMemoryImpl" = type { %"class.amf::AMFInterfaceImpl", ptr, i64, i64, i64 }
%"class.amf::AMFInterfaceImpl" = type { %"class.amf::AMFDataStream", %"class.amf::AMFInterfaceBase" }
%"class.amf::AMFDataStream" = type { %"class.amf::AMFInterface" }
%"class.amf::AMFInterface" = type { ptr }
%"class.amf::AMFInterfaceBase" = type { ptr, i64 }

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN3amf23AMFDataStreamMemoryImpl5CloseEv(ptr noundef nonnull align 8 dereferenceable(56) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"class.amf::AMFDataStreamMemoryImpl", ptr %3, i32 0, i32 1
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %10

7:                                                ; preds = %1
  %8 = getelementptr inbounds %"class.amf::AMFDataStreamMemoryImpl", ptr %3, i32 0, i32 1
  %9 = load ptr, ptr %8, align 8, !tbaa !9
  call void @amf_virtual_free(ptr noundef %9)
  br label %10

10:                                               ; preds = %7, %1
  %11 = getelementptr inbounds %"class.amf::AMFDataStreamMemoryImpl", ptr %3, i32 0, i32 1
  store ptr null, ptr %11, align 8, !tbaa !9
  %12 = getelementptr inbounds %"class.amf::AMFDataStreamMemoryImpl", ptr %3, i32 0, i32 2
  store i64 0, ptr %12, align 8, !tbaa !16
  %13 = getelementptr inbounds %"class.amf::AMFDataStreamMemoryImpl", ptr %3, i32 0, i32 3
  store i64 0, ptr %13, align 8, !tbaa !17
  %14 = getelementptr inbounds %"class.amf::AMFDataStreamMemoryImpl", ptr %3, i32 0, i32 4
  store i64 0, ptr %14, align 8, !tbaa !18
  ret i32 0
}

declare void @amf_virtual_free(ptr noundef) #1

attributes #0 = { 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 #1 = { "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" }

!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 24}
!10 = !{!"_ZTSN3amf23AMFDataStreamMemoryImplE", !11, i64 0, !6, i64 24, !15, i64 32, !15, i64 40, !15, i64 48}
!11 = !{!"_ZTSN3amf16AMFInterfaceImplINS_13AMFDataStreamEiiiEE", !12, i64 0, !14, i64 8}
!12 = !{!"_ZTSN3amf13AMFDataStreamE", !13, i64 0}
!13 = !{!"_ZTSN3amf12AMFInterfaceE"}
!14 = !{!"_ZTSN3amf16AMFInterfaceBaseE", !15, i64 8}
!15 = !{!"long", !7, i64 0}
!16 = !{!10, !15, i64 32}
!17 = !{!10, !15, i64 40}
!18 = !{!10, !15, i64 48}


; 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 uwtable
define dso_local noundef i32 @_ZN3amf23AMFDataStreamMemoryImpl5CloseEv(ptr nocapture noundef nonnull align 8 dereferenceable(56) %0) unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 24
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %5, label %4

4:                                                ; preds = %1
  tail call void @amf_virtual_free(ptr noundef nonnull %3)
  br label %5

5:                                                ; preds = %4, %1
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %2, i8 0, i64 32, i1 false)
  ret i32 0
}

declare void @amf_virtual_free(ptr noundef) local_unnamed_addr #1

; 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 = { 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 #1 = { "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) }

!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, !14, i64 24}
!6 = !{!"_ZTSN3amf23AMFDataStreamMemoryImplE", !7, i64 0, !14, i64 24, !11, i64 32, !11, i64 40, !11, i64 48}
!7 = !{!"_ZTSN3amf16AMFInterfaceImplINS_13AMFDataStreamEiiiEE", !8, i64 0, !10, i64 8}
!8 = !{!"_ZTSN3amf13AMFDataStreamE", !9, i64 0}
!9 = !{!"_ZTSN3amf12AMFInterfaceE"}
!10 = !{!"_ZTSN3amf16AMFInterfaceBaseE", !11, i64 8}
!11 = !{!"long", !12, i64 0}
!12 = !{!"omnipotent char", !13, i64 0}
!13 = !{!"Simple C++ TBAA"}
!14 = !{!"any pointer", !12, i64 0}


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