; LLVM IR from yinqiwen/ardb :: src/common/channel/timer (timer_task_queue)

; 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"

%"class.ardb::TimerTaskQueue" = type { ptr, i32, i32 }
%"class.ardb::TimerTask" = type <{ i32, i32, i64, i64, i32, [4 x i8], i64, ptr, ptr, i32, [4 x i8] }>

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN4ardb14TimerTaskQueue13FindTaskIndexEPNS_9TimerTaskE(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef %1) #0 align 2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8
  %7 = getelementptr inbounds %"class.ardb::TimerTaskQueue", ptr %6, i32 0, i32 2
  %8 = load i32, ptr %7, align 4, !tbaa !9
  %9 = icmp eq i32 %8, 0
  br i1 %9, label %10, label %11

10:                                               ; preds = %2
  store i32 -1, ptr %3, align 4
  br label %36

11:                                               ; preds = %2
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = icmp ne ptr null, %12
  br i1 %13, label %14, label %35

14:                                               ; preds = %11
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = getelementptr inbounds %"class.ardb::TimerTask", ptr %15, i32 0, i32 9
  %17 = load i32, ptr %16, align 8, !tbaa !12
  %18 = icmp ugt i32 %17, 0
  br i1 %18, label %19, label %35

19:                                               ; preds = %14
  %20 = getelementptr inbounds %"class.ardb::TimerTaskQueue", ptr %6, i32 0, i32 0
  %21 = load ptr, ptr %20, align 8, !tbaa !17
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = getelementptr inbounds %"class.ardb::TimerTask", ptr %22, i32 0, i32 9
  %24 = load i32, ptr %23, align 8, !tbaa !12
  %25 = zext i32 %24 to i64
  %26 = getelementptr inbounds ptr, ptr %21, i64 %25
  %27 = load ptr, ptr %26, align 8, !tbaa !5
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = icmp eq ptr %27, %28
  br i1 %29, label %30, label %34

30:                                               ; preds = %19
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = getelementptr inbounds %"class.ardb::TimerTask", ptr %31, i32 0, i32 9
  %33 = load i32, ptr %32, align 8, !tbaa !12
  store i32 %33, ptr %3, align 4
  br label %36

34:                                               ; preds = %19
  br label %35

35:                                               ; preds = %34, %14, %11
  store i32 -1, ptr %3, align 4
  br label %36

36:                                               ; preds = %35, %30, %10
  %37 = load i32, ptr %3, align 4
  ret i32 %37
}

attributes #0 = { mustprogress 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 12}
!10 = !{!"_ZTSN4ardb14TimerTaskQueueE", !6, i64 0, !11, i64 8, !11, i64 12}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !11, i64 56}
!13 = !{!"_ZTSN4ardb9TimerTaskE", !11, i64 0, !14, i64 4, !15, i64 8, !15, i64 16, !16, i64 24, !15, i64 32, !6, i64 40, !6, i64 48, !11, i64 56}
!14 = !{!"_ZTSN4ardb14TimerTaskStateE", !7, i64 0}
!15 = !{!"long", !7, i64 0}
!16 = !{!"_ZTSN4ardb8TimeUnitE", !7, i64 0}
!17 = !{!10, !6, 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: mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) uwtable
define dso_local noundef range(i32 1, 0) i32 @_ZN4ardb14TimerTaskQueue13FindTaskIndexEPNS_9TimerTaskE(ptr nocapture noundef nonnull readonly align 8 dereferenceable(16) %0, ptr noundef readonly %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 12
  %4 = load i32, ptr %3, align 4, !tbaa !5
  %5 = icmp eq i32 %4, 0
  br i1 %5, label %17, label %6

6:                                                ; preds = %2
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %16, label %7

7:                                                ; preds = %6
  %8 = getelementptr inbounds i8, ptr %1, i64 56
  %9 = load i32, ptr %8, align 8, !tbaa !11
  %.not8 = icmp eq i32 %9, 0
  br i1 %.not8, label %16, label %10

10:                                               ; preds = %7
  %11 = load ptr, ptr %0, align 8, !tbaa !16
  %12 = zext i32 %9 to i64
  %13 = getelementptr inbounds ptr, ptr %11, i64 %12
  %14 = load ptr, ptr %13, align 8, !tbaa !17
  %15 = icmp eq ptr %14, %1
  br i1 %15, label %17, label %16

16:                                               ; preds = %10, %7, %6
  br label %17

17:                                               ; preds = %10, %2, %16
  %.0 = phi i32 [ -1, %16 ], [ -1, %2 ], [ %9, %10 ]
  ret i32 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) 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)"}
!5 = !{!6, !10, i64 12}
!6 = !{!"_ZTSN4ardb14TimerTaskQueueE", !7, i64 0, !10, i64 8, !10, i64 12}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!12, !10, i64 56}
!12 = !{!"_ZTSN4ardb9TimerTaskE", !10, i64 0, !13, i64 4, !14, i64 8, !14, i64 16, !15, i64 24, !14, i64 32, !7, i64 40, !7, i64 48, !10, i64 56}
!13 = !{!"_ZTSN4ardb14TimerTaskStateE", !8, i64 0}
!14 = !{!"long", !8, i64 0}
!15 = !{!"_ZTSN4ardb8TimeUnitE", !8, i64 0}
!16 = !{!6, !7, i64 0}
!17 = !{!7, !7, i64 0}


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