; LLVM IR from DroneBridge/DroneBridge :: control (control_main_ground)

; 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"

@__const.detect_RC.path = external hidden unnamed_addr constant [14 x i8], align 1
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [56 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @detect_RC(i32 noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca [500 x i8], align 16
  %5 = alloca [14 x i8], align 1
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 500, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 14, ptr %5) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %5, ptr align 1 @__const.detect_RC.path, i64 14, i1 false)
  %6 = getelementptr inbounds [500 x i8], ptr %4, i64 0, i64 0
  %7 = getelementptr inbounds [14 x i8], ptr %5, i64 0, i64 0
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = call i32 (ptr, ptr, ...) @sprintf(ptr noundef %6, ptr noundef @.str, ptr noundef %7, i32 noundef %8) #5
  br label %10

10:                                               ; preds = %1
  %11 = getelementptr inbounds [500 x i8], ptr %4, i64 0, i64 0
  %12 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, ptr noundef %11)
  %13 = getelementptr inbounds [500 x i8], ptr %4, i64 0, i64 0
  call void (i32, ptr, ...) @syslog(i32 noundef 6, ptr noundef @.str.1, ptr noundef %13)
  br label %14

14:                                               ; preds = %10
  br label %15

15:                                               ; preds = %14
  br label %16

16:                                               ; preds = %20, %15
  %17 = call i32 @usleep(i32 noundef 250000)
  %18 = getelementptr inbounds [500 x i8], ptr %4, i64 0, i64 0
  %19 = call i32 (ptr, i32, ...) @open(ptr noundef %18, i32 noundef 2048)
  store i32 %19, ptr %3, align 4, !tbaa !5
  br label %20

20:                                               ; preds = %16
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = icmp slt i32 %21, 0
  br i1 %22, label %16, label %23, !llvm.loop !9

23:                                               ; preds = %20
  %24 = load i32, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 14, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 500, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  ret i32 %24
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nounwind
declare i32 @sprintf(ptr noundef, ptr noundef, ...) #3

declare i32 @printf(ptr noundef, ...) #4

declare void @syslog(i32 noundef, ptr noundef, ...) #4

declare i32 @usleep(i32 noundef) #4

declare i32 @open(ptr noundef, i32 noundef, ...) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { "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 #5 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; 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"

@__const.detect_RC.path = external hidden unnamed_addr constant [14 x i8], align 1
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [56 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, -2147483648) i32 @detect_RC(i32 noundef %0) local_unnamed_addr #0 {
  %2 = alloca [500 x i8], align 16
  %3 = alloca [14 x i8], align 1
  call void @llvm.lifetime.start.p0(i64 500, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 14, ptr nonnull %3) #6
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 1 dereferenceable(14) %3, ptr noundef nonnull align 1 dereferenceable(14) @__const.detect_RC.path, i64 14, i1 false)
  %4 = call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) %2, ptr noundef nonnull dereferenceable(1) @.str, ptr noundef nonnull %3, i32 noundef %0) #6
  %5 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, ptr noundef nonnull %2)
  call void (i32, ptr, ...) @syslog(i32 noundef 6, ptr noundef nonnull @.str.1, ptr noundef nonnull %2) #6
  br label %6

6:                                                ; preds = %6, %1
  %7 = call i32 @usleep(i32 noundef 250000) #6
  %8 = call i32 (ptr, i32, ...) @open(ptr noundef nonnull %2, i32 noundef 2048) #6
  %9 = icmp slt i32 %8, 0
  br i1 %9, label %6, label %10, !llvm.loop !5

10:                                               ; preds = %6
  call void @llvm.lifetime.end.p0(i64 14, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 500, ptr nonnull %2) #6
  ret i32 %8
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nofree nounwind
declare noundef i32 @sprintf(ptr noalias nocapture noundef writeonly, ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

declare void @syslog(i32 noundef, ptr noundef, ...) local_unnamed_addr #4

declare i32 @usleep(i32 noundef) local_unnamed_addr #4

; Function Attrs: nofree
declare noundef i32 @open(ptr nocapture noundef readonly, i32 noundef, ...) local_unnamed_addr #5

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { "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 #5 = { nofree "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 #6 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopUnrollPass,SROAPass,SimplifyCFGPass