; LLVM IR from DroneBridge/DroneBridge :: recorder (recorder)

; 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.video_file_t = type { ptr, [512 x i8] }

@.str.7 = external hidden unnamed_addr constant [53 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @printf(ptr noundef, ...) #1

declare void @syslog(i32 noundef, ptr noundef, ...) #1

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @write_to_file(ptr noundef %0, ptr noundef %1, i64 noundef %2) #2 {
  %4 = alloca i1, align 1
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i64 %2, ptr %7, align 8, !tbaa !9
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.video_file_t, ptr %10, i32 0, i32 0
  %12 = load ptr, ptr %11, align 8, !tbaa !11
  %13 = icmp ne ptr %12, null
  br i1 %13, label %14, label %39

14:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = load i64, ptr %7, align 8, !tbaa !9
  %17 = trunc i64 %16 to i32
  %18 = sext i32 %17 to i64
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.video_file_t, ptr %19, i32 0, i32 0
  %21 = load ptr, ptr %20, align 8, !tbaa !11
  %22 = call i64 @fwrite(ptr noundef %15, i64 noundef %18, i64 noundef 1, ptr noundef %21)
  store i64 %22, ptr %8, align 8, !tbaa !9
  %23 = load i64, ptr %8, align 8, !tbaa !9
  %24 = icmp ne i64 %23, 1
  br i1 %24, label %25, label %34

25:                                               ; preds = %14
  br label %26

26:                                               ; preds = %25
  %27 = load i64, ptr %8, align 8, !tbaa !9
  %28 = load i64, ptr %7, align 8, !tbaa !9
  %29 = call i32 (ptr, ...) @printf(ptr noundef @.str.7, i64 noundef %27, i64 noundef %28)
  %30 = load i64, ptr %8, align 8, !tbaa !9
  %31 = load i64, ptr %7, align 8, !tbaa !9
  call void (i32, ptr, ...) @syslog(i32 noundef 4, ptr noundef @.str.7, i64 noundef %30, i64 noundef %31)
  br label %32

32:                                               ; preds = %26
  br label %33

33:                                               ; preds = %32
  br label %35

34:                                               ; preds = %14
  store i1 true, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %36

35:                                               ; preds = %33
  store i32 0, ptr %9, align 4
  br label %36

36:                                               ; preds = %35, %34
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %37 = load i32, ptr %9, align 4
  switch i32 %37, label %42 [
    i32 0, label %38
    i32 1, label %40
  ]

38:                                               ; preds = %36
  br label %39

39:                                               ; preds = %38, %3
  store i1 false, ptr %4, align 1
  br label %40

40:                                               ; preds = %39, %36
  %41 = load i1, ptr %4, align 1
  ret i1 %41

42:                                               ; preds = %36
  unreachable
}

declare i64 @fwrite(ptr noundef, i64 noundef, i64 noundef, ptr noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"", !6, i64 0, !7, 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"

@.str.7 = external hidden unnamed_addr constant [53 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #0

declare void @syslog(i32 noundef, ptr noundef, ...) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local noundef zeroext i1 @write_to_file(ptr nocapture noundef readonly %0, ptr nocapture noundef %1, i64 noundef %2) local_unnamed_addr #2 {
  %4 = load ptr, ptr %0, align 8, !tbaa !5
  %.not = icmp eq ptr %4, null
  br i1 %.not, label %9, label %5

5:                                                ; preds = %3
  %sext = shl i64 %2, 32
  %6 = ashr exact i64 %sext, 32
  %7 = tail call i64 @fwrite(ptr noundef %1, i64 noundef %6, i64 noundef 1, ptr noundef nonnull %4)
  %.not13 = icmp eq i64 %7, 1
  br i1 %.not13, label %9, label %.thread

.thread:                                          ; preds = %5
  %8 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.7, i64 noundef %7, i64 noundef %2)
  tail call void (i32, ptr, ...) @syslog(i32 noundef 4, ptr noundef nonnull @.str.7, i64 noundef %7, i64 noundef %2) #3
  br label %9

9:                                                ; preds = %3, %.thread, %5
  %.1 = phi i1 [ true, %5 ], [ false, %.thread ], [ false, %3 ]
  ret i1 %.1
}

; Function Attrs: nofree nounwind
declare noundef i64 @fwrite(ptr nocapture noundef, i64 noundef, i64 noundef, ptr nocapture noundef) local_unnamed_addr #0

attributes #0 = { nofree 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 = { "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 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, !7, i64 0}
!6 = !{!"", !7, i64 0, !8, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass