; LLVM IR from theck01/offbrand_lib :: src (offbrand_stdlib)

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

@.str.1 = external hidden unnamed_addr constant [76 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [37 x i8], align 1
@__PRETTY_FUNCTION__.ob_retain = external hidden unnamed_addr constant [22 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local ptr @ob_retain(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = icmp ne ptr %4, null
  br i1 %5, label %8, label %6

6:                                                ; preds = %1
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %7, ptr %2, align 8
  br label %23

8:                                                ; preds = %1
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.obj_struct, ptr %10, i32 0, i32 0
  %12 = load i32, ptr %11, align 8, !tbaa !9
  %13 = icmp ult i32 %12, -1
  br i1 %13, label %14, label %15

14:                                               ; preds = %8
  br label %16

15:                                               ; preds = %8
  call void @__assert_fail(ptr noundef @.str.3, ptr noundef @.str.1, i32 noundef 64, ptr noundef @__PRETTY_FUNCTION__.ob_retain) #2
  unreachable

16:                                               ; preds = %14
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = load ptr, ptr %17, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.obj_struct, ptr %18, i32 0, i32 0
  %20 = load i32, ptr %19, align 8, !tbaa !9
  %21 = add i32 %20, 1
  store i32 %21, ptr %19, align 8, !tbaa !9
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %22, ptr %2, align 8
  br label %23

23:                                               ; preds = %16, %6
  %24 = load ptr, ptr %2, align 8
  ret ptr %24
}

attributes #0 = { noreturn 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 = { 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 = { noreturn 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, !11, i64 0}
!10 = !{!"obj_struct", !11, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!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"

@.str.1 = external hidden unnamed_addr constant [76 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [37 x i8], align 1
@__PRETTY_FUNCTION__.ob_retain = external hidden unnamed_addr constant [22 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @ob_retain(ptr noundef readonly returned %0) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %8, label %2

2:                                                ; preds = %1
  %3 = load ptr, ptr %0, align 8, !tbaa !5
  %4 = load i32, ptr %3, align 8, !tbaa !9
  %.not7 = icmp eq i32 %4, -1
  br i1 %.not7, label %5, label %6

5:                                                ; preds = %2
  tail call void @__assert_fail(ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.1, i32 noundef 64, ptr noundef nonnull @__PRETTY_FUNCTION__.ob_retain) #2
  unreachable

6:                                                ; preds = %2
  %7 = add nuw i32 %4, 1
  store i32 %7, ptr %3, align 8, !tbaa !9
  br label %8

8:                                                ; preds = %1, %6
  ret ptr %0
}

attributes #0 = { noreturn 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 = { 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 = { noreturn 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, !11, i64 0}
!10 = !{!"obj_struct", !11, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"int", !7, i64 0}


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