; LLVM IR from awawa-dev/HyperHDR :: sources/grabber/linux/X11 (smartX11)

; 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.x11Handle = type { i32, ptr, ptr, i32, i32, i32 }

@_ZL10oldHandler = external hidden global ptr, align 8

declare i32 @XCloseDisplay(ptr noundef) #0

; Function Attrs: nounwind
declare void @free(ptr noundef) #1

declare ptr @XSetErrorHandler(ptr noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @releaseFrame(ptr noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local void @uninitX11Display(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr @_ZL10oldHandler, align 8, !tbaa !5
  %4 = icmp ne ptr %3, null
  br i1 %4, label %5, label %8

5:                                                ; preds = %1
  %6 = load ptr, ptr @_ZL10oldHandler, align 8, !tbaa !5
  %7 = call ptr @XSetErrorHandler(ptr noundef %6)
  store ptr null, ptr @_ZL10oldHandler, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %5, %1
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = icmp eq ptr %9, null
  br i1 %10, label %11, label %12

11:                                               ; preds = %8
  br label %27

12:                                               ; preds = %8
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  call void @releaseFrame(ptr noundef %13)
  %14 = load ptr, ptr %2, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.x11Handle, ptr %14, i32 0, i32 1
  %16 = load ptr, ptr %15, align 8, !tbaa !9
  %17 = icmp ne ptr %16, null
  br i1 %17, label %18, label %23

18:                                               ; preds = %12
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.x11Handle, ptr %19, i32 0, i32 1
  %21 = load ptr, ptr %20, align 8, !tbaa !9
  %22 = call i32 @XCloseDisplay(ptr noundef %21)
  br label %23

23:                                               ; preds = %18, %12
  %24 = load ptr, ptr %2, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.x11Handle, ptr %24, i32 0, i32 1
  store ptr null, ptr %25, align 8, !tbaa !9
  %26 = load ptr, ptr %2, align 8, !tbaa !5
  call void @free(ptr noundef %26) #3
  br label %27

27:                                               ; preds = %23, %11
  ret void
}

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 "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 = { 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 #3 = { 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 = !{!"_ZTS9x11Handle", !11, i64 0, !6, i64 8, !6, i64 16, !11, i64 24, !11, i64 28, !11, i64 32}
!11 = !{!"int", !7, i64 0}


; 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"

@_ZL10oldHandler = external hidden local_unnamed_addr global ptr, align 8

declare i32 @XCloseDisplay(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #1

declare ptr @XSetErrorHandler(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @releaseFrame(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @uninitX11Display(ptr noundef %0) local_unnamed_addr #2 {
  %2 = load ptr, ptr @_ZL10oldHandler, align 8, !tbaa !5
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %5, label %3

3:                                                ; preds = %1
  %4 = tail call ptr @XSetErrorHandler(ptr noundef nonnull %2)
  store ptr null, ptr @_ZL10oldHandler, align 8, !tbaa !5
  br label %5

5:                                                ; preds = %3, %1
  %6 = icmp eq ptr %0, null
  br i1 %6, label %13, label %7

7:                                                ; preds = %5
  tail call void @releaseFrame(ptr noundef nonnull %0)
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = load ptr, ptr %8, align 8, !tbaa !9
  %.not8 = icmp eq ptr %9, null
  br i1 %.not8, label %12, label %10

10:                                               ; preds = %7
  %11 = tail call i32 @XCloseDisplay(ptr noundef nonnull %9)
  br label %12

12:                                               ; preds = %10, %7
  tail call void @free(ptr noundef nonnull %0) #3
  br label %13

13:                                               ; preds = %5, %12
  ret void
}

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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { 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 #3 = { 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 = !{!"_ZTS9x11Handle", !11, i64 0, !6, i64 8, !6, i64 16, !11, i64 24, !11, i64 28, !11, i64 32}
!11 = !{!"int", !7, i64 0}


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