; LLVM IR from thalium/icebox :: third_party/virtualbox/src/VBox/Devices/EFI/Firmware/ShellPkg/Library (HClipBoardSet)

; 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"

%struct.HEFI_EDITOR_CLIPBOARD = type { ptr, i64 }

@HClipBoard = external dso_local global %struct.HEFI_EDITOR_CLIPBOARD, align 8

declare void @FreePool(ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i64 @HClipBoardSet(ptr noundef %0, i64 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !9
  br label %5

5:                                                ; preds = %2
  %6 = load ptr, ptr @HClipBoard, align 8, !tbaa !11
  %7 = icmp ne ptr %6, null
  br i1 %7, label %8, label %10

8:                                                ; preds = %5
  %9 = load ptr, ptr @HClipBoard, align 8, !tbaa !11
  call void @FreePool(ptr noundef %9)
  store ptr null, ptr @HClipBoard, align 8, !tbaa !11
  br label %10

10:                                               ; preds = %8, %5
  br label %11

11:                                               ; preds = %10
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %12, ptr @HClipBoard, align 8, !tbaa !11
  %13 = load i64, ptr %4, align 8, !tbaa !9
  store i64 %13, ptr getelementptr inbounds (%struct.HEFI_EDITOR_CLIPBOARD, ptr @HClipBoard, i32 0, i32 1), align 8, !tbaa !13
  ret i64 0
}

attributes #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 = { 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" }

!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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"", !6, i64 0, !10, i64 8}
!13 = !{!12, !10, i64 8}


; 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"

%struct.HEFI_EDITOR_CLIPBOARD = type { ptr, i64 }

@HClipBoard = external dso_local local_unnamed_addr global %struct.HEFI_EDITOR_CLIPBOARD, align 8

declare void @FreePool(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef i64 @HClipBoardSet(ptr noundef %0, i64 noundef %1) local_unnamed_addr #1 {
  %3 = load ptr, ptr @HClipBoard, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %5, label %4

4:                                                ; preds = %2
  tail call void @FreePool(ptr noundef nonnull %3) #2
  br label %5

5:                                                ; preds = %2, %4
  store ptr %0, ptr @HClipBoard, align 8, !tbaa !5
  store i64 %1, ptr getelementptr inbounds (i8, ptr @HClipBoard, i64 8), align 8, !tbaa !11
  ret i64 0
}

attributes #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 = { 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 }

!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 = !{!"", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long long", !8, i64 0}
!11 = !{!6, !10, i64 8}


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