; LLVM IR from yinqiwen/ardb :: src/common/channel/timer/timer_task_queue.ll (ZN4ardb14TimerTaskQueueC2Ev)

; 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 }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4ardb14TimerTaskQueueC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"class.ardb::TimerTaskQueue", ptr %3, i32 0, i32 0
  store ptr null, ptr %4, align 8, !tbaa !9
  %5 = getelementptr inbounds %"class.ardb::TimerTaskQueue", ptr %3, i32 0, i32 1
  store i32 0, ptr %5, align 8, !tbaa !12
  %6 = getelementptr inbounds %"class.ardb::TimerTaskQueue", ptr %3, i32 0, i32 2
  store i32 0, ptr %6, align 4, !tbaa !13
  %7 = call noalias noundef nonnull ptr @_Znam(i64 noundef 1024) #3
  %8 = getelementptr inbounds %"class.ardb::TimerTaskQueue", ptr %3, i32 0, i32 0
  store ptr %7, ptr %8, align 8, !tbaa !9
  %9 = getelementptr inbounds %"class.ardb::TimerTaskQueue", ptr %3, i32 0, i32 0
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 8 %10, i8 0, i64 1024, i1 false)
  %11 = getelementptr inbounds %"class.ardb::TimerTaskQueue", ptr %3, i32 0, i32 1
  store i32 128, ptr %11, align 8, !tbaa !12
  ret void
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

attributes #0 = { mustprogress 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 = { nobuiltin allocsize(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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { builtin allocsize(0) }

!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, !6, i64 0}
!10 = !{!"_ZTSN4ardb14TimerTaskQueueE", !6, i64 0, !11, i64 8, !11, i64 12}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 8}
!13 = !{!10, !11, i64 12}


; 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 uwtable
define dso_local void @_ZN4ardb14TimerTaskQueueC2Ev(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(16) %0) unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %0, i8 0, i64 16, i1 false)
  %3 = tail call noalias noundef nonnull dereferenceable(1024) ptr @_Znam(i64 noundef 1024) #3
  store ptr %3, ptr %0, align 8, !tbaa !5
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(1024) %3, i8 0, i64 1024, i1 false)
  store i32 128, ptr %2, align 8, !tbaa !11
  ret void
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

attributes #0 = { mustprogress 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 = { nobuiltin allocsize(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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { builtin allocsize(0) }

!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, !7, i64 0}
!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 = !{!6, !10, i64 8}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass