; LLVM IR from eProsima/Fast-DDS :: src/cpp/rtps/persistence (sqlite3)

; 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"

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

; Function Attrs: nounwind uwtable
declare dso_local void @sqlite3_mutex_enter(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local void @sqlite3_mutex_leave(ptr noundef) #1

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

; Function Attrs: nounwind uwtable
declare dso_local i32 @sqlite3_initialize() #1

; Function Attrs: nounwind uwtable
declare hidden ptr @sqlite3MutexAlloc(i32 noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @vfsUnlink(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @sqlite3_vfs_unregister(ptr noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  %7 = call i32 @sqlite3_initialize()
  store i32 %7, ptr %5, align 4, !tbaa !9
  %8 = load i32, ptr %5, align 4, !tbaa !9
  %9 = icmp ne i32 %8, 0
  br i1 %9, label %10, label %12

10:                                               ; preds = %1
  %11 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %11, ptr %2, align 4
  store i32 1, ptr %6, align 4
  br label %17

12:                                               ; preds = %1
  %13 = call ptr @sqlite3MutexAlloc(i32 noundef 2)
  store ptr %13, ptr %4, align 8, !tbaa !5
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  call void @sqlite3_mutex_enter(ptr noundef %14)
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  call void @vfsUnlink(ptr noundef %15)
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  call void @sqlite3_mutex_leave(ptr noundef %16)
  store i32 0, ptr %2, align 4
  store i32 1, ptr %6, align 4
  br label %17

17:                                               ; preds = %12, %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #2
  %18 = load i32, ptr %2, align 4
  ret i32 %18
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !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 = !{!"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"

; Function Attrs: nounwind uwtable
declare dso_local void @sqlite3_mutex_enter(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @sqlite3_mutex_leave(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @sqlite3_initialize() local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden ptr @sqlite3MutexAlloc(i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @vfsUnlink(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @sqlite3_vfs_unregister(ptr noundef %0) local_unnamed_addr #0 {
  %2 = tail call i32 @sqlite3_initialize()
  %.not = icmp eq i32 %2, 0
  br i1 %.not, label %3, label %5

3:                                                ; preds = %1
  %4 = tail call ptr @sqlite3MutexAlloc(i32 noundef 2)
  tail call void @sqlite3_mutex_enter(ptr noundef %4)
  tail call void @vfsUnlink(ptr noundef %0)
  tail call void @sqlite3_mutex_leave(ptr noundef %4)
  br label %5

5:                                                ; preds = %1, %3
  ret i32 %2
}

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" }

!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)"}


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