; LLVM IR from marcobambini/gravity :: src/optionals (gravity_opt_file)

; 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"

@gravity_class_file = external hidden global ptr, align 8
@refcount = external hidden global i32, align 4

; Function Attrs: nounwind uwtable
define dso_local void @gravity_file_free() #0 {
  %1 = alloca ptr, align 8
  %2 = load ptr, ptr @gravity_class_file, align 8, !tbaa !5
  %3 = icmp ne ptr %2, null
  br i1 %3, label %5, label %4

4:                                                ; preds = %0
  br label %15

5:                                                ; preds = %0
  %6 = load i32, ptr @refcount, align 4, !tbaa !9
  %7 = add i32 %6, -1
  store i32 %7, ptr @refcount, align 4, !tbaa !9
  %8 = icmp ne i32 %7, 0
  br i1 %8, label %9, label %10

9:                                                ; preds = %5
  br label %15

10:                                               ; preds = %5
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #3
  %11 = load ptr, ptr @gravity_class_file, align 8, !tbaa !5
  %12 = call ptr @gravity_class_get_meta(ptr noundef %11)
  store ptr %12, ptr %1, align 8, !tbaa !5
  %13 = load ptr, ptr %1, align 8, !tbaa !5
  call void @gravity_class_free_core(ptr noundef null, ptr noundef %13)
  %14 = load ptr, ptr @gravity_class_file, align 8, !tbaa !5
  call void @gravity_class_free_core(ptr noundef null, ptr noundef %14)
  store ptr null, ptr @gravity_class_file, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #3
  br label %15

15:                                               ; preds = %10, %9, %4
  ret void
}

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

declare ptr @gravity_class_get_meta(ptr noundef) #2

declare void @gravity_class_free_core(ptr noundef, ptr noundef) #2

; 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 = { "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 = !{!"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"

@gravity_class_file = external hidden local_unnamed_addr global ptr, align 8
@refcount = external hidden local_unnamed_addr global i32, align 4

; Function Attrs: nounwind uwtable
define dso_local void @gravity_file_free() local_unnamed_addr #0 {
  %1 = load ptr, ptr @gravity_class_file, align 8, !tbaa !5
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %8, label %2

2:                                                ; preds = %0
  %3 = load i32, ptr @refcount, align 4, !tbaa !9
  %4 = add i32 %3, -1
  store i32 %4, ptr @refcount, align 4, !tbaa !9
  %.not1 = icmp eq i32 %4, 0
  br i1 %.not1, label %5, label %8

5:                                                ; preds = %2
  %6 = tail call ptr @gravity_class_get_meta(ptr noundef nonnull %1) #2
  tail call void @gravity_class_free_core(ptr noundef null, ptr noundef %6) #2
  %7 = load ptr, ptr @gravity_class_file, align 8, !tbaa !5
  tail call void @gravity_class_free_core(ptr noundef null, ptr noundef %7) #2
  store ptr null, ptr @gravity_class_file, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %2, %0, %5
  ret void
}

declare ptr @gravity_class_get_meta(ptr noundef) local_unnamed_addr #1

declare void @gravity_class_free_core(ptr noundef, ptr noundef) local_unnamed_addr #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 = { "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}


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