; LLVM IR from chensoft/libsocket :: src/core/reactor.linux.ll (ZN4chen7reactor3delEPNS_9ev_handleE)

; 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.std::error_code" = type { i32, ptr }
%"class.chen::reactor" = type { i32, %"class.std::unordered_set", %"class.chen::ev_event", i8, %"class.std::vector", %"class.std::vector.5", %"class.std::queue" }
%"class.std::unordered_set" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.chen::ev_event" = type { %"class.chen::ev_handle.base", i8, %"class.std::function" }
%"class.chen::ev_handle.base" = type <{ %"class.chen::ev_base", i32 }>
%"class.chen::ev_base" = type { ptr, ptr, i32, i32 }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<chen::ev_timer *, std::allocator<chen::ev_timer *>>::_Vector_impl" }
%"struct.std::_Vector_base<chen::ev_timer *, std::allocator<chen::ev_timer *>>::_Vector_impl" = type { %"struct.std::_Vector_base<chen::ev_timer *, std::allocator<chen::ev_timer *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<chen::ev_timer *, std::allocator<chen::ev_timer *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<epoll_event, std::allocator<epoll_event>>::_Vector_impl" }
%"struct.std::_Vector_base<epoll_event, std::allocator<epoll_event>>::_Vector_impl" = type { %"struct.std::_Vector_base<epoll_event, std::allocator<epoll_event>>::_Vector_impl_data" }
%"struct.std::_Vector_base<epoll_event, std::allocator<epoll_event>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::pair<chen::ev_base *, int>, std::allocator<std::pair<chen::ev_base *, int>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::pair<chen::ev_base *, int>, std::allocator<std::pair<chen::ev_base *, int>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::pair<chen::ev_base *, int>, std::allocator<std::pair<chen::ev_base *, int>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::pair<chen::ev_base *, int>, std::allocator<std::pair<chen::ev_base *, int>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

@_ZTISt12system_error = external constant ptr
@.str.2 = external hidden unnamed_addr constant [32 x i8], align 1

declare i32 @__gxx_personality_v0(...)

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

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

declare ptr @__cxa_allocate_exception(i64)

declare { i32, ptr } @_ZN4chen3sys5errorEv() #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt12system_errorC2ESt10error_codePKc(ptr noundef nonnull align 8 dereferenceable(32), i32, ptr, ptr noundef) unnamed_addr #2 align 2

declare void @__cxa_free_exception(ptr)

; Function Attrs: nounwind
declare void @_ZNSt12system_errorD1Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3

declare void @__cxa_throw(ptr, ptr, ptr)

; Function Attrs: nounwind
declare i32 @epoll_ctl(i32 noundef, i32 noundef, i32 noundef, ptr noundef) #3

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__errno_location() #4

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4chen7reactor3delEPNS_9ev_handleE(ptr noundef nonnull align 8 dereferenceable(264) %0, ptr noundef %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::error_code", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  %12 = getelementptr inbounds ptr, ptr %11, i64 5
  %13 = load ptr, ptr %12, align 8
  %14 = call noundef i32 %13(ptr noundef nonnull align 8 dereferenceable(28) %10)
  store i32 %14, ptr %5, align 4, !tbaa !11
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = load ptr, ptr %15, align 8, !tbaa !9
  %17 = getelementptr inbounds ptr, ptr %16, i64 3
  %18 = load ptr, ptr %17, align 8
  call void %18(ptr noundef nonnull align 8 dereferenceable(24) %15)
  %19 = getelementptr inbounds %"class.chen::reactor", ptr %9, i32 0, i32 1
  %20 = call noundef i64 @_ZNSt13unordered_setIPN4chen9ev_handleESt4hashIS2_ESt8equal_toIS2_ESaIS2_EE5eraseERKS2_(ptr noundef nonnull align 8 dereferenceable(56) %19, ptr noundef nonnull align 8 dereferenceable(8) %4)
  %21 = getelementptr inbounds %"class.chen::reactor", ptr %9, i32 0, i32 0
  %22 = load i32, ptr %21, align 8, !tbaa !13
  %23 = load i32, ptr %5, align 4, !tbaa !11
  %24 = call i32 @epoll_ctl(i32 noundef %22, i32 noundef 2, i32 noundef %23, ptr noundef null) #5
  %25 = icmp ne i32 %24, 0
  br i1 %25, label %26, label %51

26:                                               ; preds = %2
  %27 = call ptr @__errno_location() #6
  %28 = load i32, ptr %27, align 4, !tbaa !11
  %29 = icmp ne i32 %28, 2
  br i1 %29, label %30, label %51

30:                                               ; preds = %26
  %31 = call ptr @__errno_location() #6
  %32 = load i32, ptr %31, align 4, !tbaa !11
  %33 = icmp ne i32 %32, 9
  br i1 %33, label %34, label %51

34:                                               ; preds = %30
  %35 = call ptr @__cxa_allocate_exception(i64 32) #5
  %36 = invoke { i32, ptr } @_ZN4chen3sys5errorEv()
          to label %37 unwind label %47

37:                                               ; preds = %34
  %38 = getelementptr inbounds { i32, ptr }, ptr %6, i32 0, i32 0
  %39 = extractvalue { i32, ptr } %36, 0
  store i32 %39, ptr %38, align 8
  %40 = getelementptr inbounds { i32, ptr }, ptr %6, i32 0, i32 1
  %41 = extractvalue { i32, ptr } %36, 1
  store ptr %41, ptr %40, align 8
  %42 = getelementptr inbounds { i32, ptr }, ptr %6, i32 0, i32 0
  %43 = load i32, ptr %42, align 8
  %44 = getelementptr inbounds { i32, ptr }, ptr %6, i32 0, i32 1
  %45 = load ptr, ptr %44, align 8
  invoke void @_ZNSt12system_errorC2ESt10error_codePKc(ptr noundef nonnull align 8 dereferenceable(32) %35, i32 %43, ptr %45, ptr noundef @.str.2)
          to label %46 unwind label %47

46:                                               ; preds = %37
  call void @__cxa_throw(ptr %35, ptr @_ZTISt12system_error, ptr @_ZNSt12system_errorD1Ev) #7
  unreachable

47:                                               ; preds = %37, %34
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %7, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %8, align 4
  call void @__cxa_free_exception(ptr %35) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %52

51:                                               ; preds = %30, %26, %2
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  ret void

52:                                               ; preds = %47
  %53 = load ptr, ptr %7, align 8
  %54 = load i32, ptr %8, align 4
  %55 = insertvalue { ptr, i32 } poison, ptr %53, 0
  %56 = insertvalue { ptr, i32 } %55, i32 %54, 1
  resume { ptr, i32 } %56
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt13unordered_setIPN4chen9ev_handleESt4hashIS2_ESt8equal_toIS2_ESaIS2_EE5eraseERKS2_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #3 = { 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 #4 = { nounwind willreturn memory(none) "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 #5 = { nounwind }
attributes #6 = { nounwind willreturn memory(none) }
attributes #7 = { noreturn }

!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, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !12, i64 0}
!14 = !{!"_ZTSN4chen7reactorE", !12, i64 0, !15, i64 8, !21, i64 64, !24, i64 128, !27, i64 136, !31, i64 160, !35, i64 184}
!15 = !{!"_ZTSSt13unordered_setIPN4chen9ev_handleESt4hashIS2_ESt8equal_toIS2_ESaIS2_EE", !16, i64 0}
!16 = !{!"_ZTSSt10_HashtableIPN4chen9ev_handleES2_SaIS2_ENSt8__detail9_IdentityESt8equal_toIS2_ESt4hashIS2_ENS4_18_Mod_range_hashingENS4_20_Default_ranged_hashENS4_20_Prime_rehash_policyENS4_17_Hashtable_traitsILb0ELb1ELb1EEEE", !6, i64 0, !17, i64 8, !18, i64 16, !17, i64 24, !19, i64 32, !6, i64 48}
!17 = !{!"long", !7, i64 0}
!18 = !{!"_ZTSNSt8__detail15_Hash_node_baseE", !6, i64 0}
!19 = !{!"_ZTSNSt8__detail20_Prime_rehash_policyE", !20, i64 0, !17, i64 8}
!20 = !{!"float", !7, i64 0}
!21 = !{!"_ZTSN4chen8ev_eventE", !22, i64 0, !24, i64 28, !25, i64 32}
!22 = !{!"_ZTSN4chen9ev_handleE", !23, i64 0, !12, i64 24}
!23 = !{!"_ZTSN4chen7ev_baseE", !6, i64 8, !12, i64 16, !12, i64 20}
!24 = !{!"bool", !7, i64 0}
!25 = !{!"_ZTSSt8functionIFvvEE", !26, i64 0, !6, i64 24}
!26 = !{!"_ZTSSt14_Function_base", !7, i64 0, !6, i64 16}
!27 = !{!"_ZTSSt6vectorIPN4chen8ev_timerESaIS2_EE", !28, i64 0}
!28 = !{!"_ZTSSt12_Vector_baseIPN4chen8ev_timerESaIS2_EE", !29, i64 0}
!29 = !{!"_ZTSNSt12_Vector_baseIPN4chen8ev_timerESaIS2_EE12_Vector_implE", !30, i64 0}
!30 = !{!"_ZTSNSt12_Vector_baseIPN4chen8ev_timerESaIS2_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!31 = !{!"_ZTSSt6vectorI11epoll_eventSaIS0_EE", !32, i64 0}
!32 = !{!"_ZTSSt12_Vector_baseI11epoll_eventSaIS0_EE", !33, i64 0}
!33 = !{!"_ZTSNSt12_Vector_baseI11epoll_eventSaIS0_EE12_Vector_implE", !34, i64 0}
!34 = !{!"_ZTSNSt12_Vector_baseI11epoll_eventSaIS0_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!35 = !{!"_ZTSSt5queueISt4pairIPN4chen7ev_baseEiESt5dequeIS4_SaIS4_EEE", !36, i64 0}
!36 = !{!"_ZTSSt5dequeISt4pairIPN4chen7ev_baseEiESaIS4_EE", !37, i64 0}
!37 = !{!"_ZTSSt11_Deque_baseISt4pairIPN4chen7ev_baseEiESaIS4_EE", !38, i64 0}
!38 = !{!"_ZTSNSt11_Deque_baseISt4pairIPN4chen7ev_baseEiESaIS4_EE11_Deque_implE", !39, i64 0}
!39 = !{!"_ZTSNSt11_Deque_baseISt4pairIPN4chen7ev_baseEiESaIS4_EE16_Deque_impl_dataE", !6, i64 0, !17, i64 8, !40, i64 16, !40, i64 48}
!40 = !{!"_ZTSSt15_Deque_iteratorISt4pairIPN4chen7ev_baseEiERS4_PS4_E", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}


; 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"

@_ZTISt12system_error = external constant ptr
@.str.2 = external hidden unnamed_addr constant [32 x i8], align 1

declare i32 @__gxx_personality_v0(...)

declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr

declare { i32, ptr } @_ZN4chen3sys5errorEv() local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt12system_errorC2ESt10error_codePKc(ptr noundef nonnull align 8 dereferenceable(32), i32, ptr, ptr noundef) unnamed_addr #1 align 2

declare void @__cxa_free_exception(ptr) local_unnamed_addr

; Function Attrs: nounwind
declare void @_ZNSt12system_errorD1Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2

declare void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr

; Function Attrs: nounwind
declare i32 @epoll_ctl(i32 noundef, i32 noundef, i32 noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__errno_location() local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4chen7reactor3delEPNS_9ev_handleE(ptr noundef nonnull align 8 dereferenceable(264) %0, ptr noundef %1) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  store ptr %1, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %1, align 8, !tbaa !9
  %5 = getelementptr inbounds i8, ptr %4, i64 40
  %6 = load ptr, ptr %5, align 8
  %7 = tail call noundef i32 %6(ptr noundef nonnull align 8 dereferenceable(28) %1)
  %8 = load ptr, ptr %1, align 8, !tbaa !9
  %9 = getelementptr inbounds i8, ptr %8, i64 24
  %10 = load ptr, ptr %9, align 8
  tail call void %10(ptr noundef nonnull align 8 dereferenceable(24) %1)
  %11 = getelementptr inbounds i8, ptr %0, i64 8
  %12 = call noundef i64 @_ZNSt13unordered_setIPN4chen9ev_handleESt4hashIS2_ESt8equal_toIS2_ESaIS2_EE5eraseERKS2_(ptr noundef nonnull align 8 dereferenceable(56) %11, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %13 = load i32, ptr %0, align 8, !tbaa !11
  %14 = call i32 @epoll_ctl(i32 noundef %13, i32 noundef 2, i32 noundef %7, ptr noundef null) #4
  %.not = icmp eq i32 %14, 0
  br i1 %.not, label %27, label %15

15:                                               ; preds = %2
  %16 = tail call ptr @__errno_location() #5
  %17 = load i32, ptr %16, align 4, !tbaa !40
  switch i32 %17, label %18 [
    i32 2, label %27
    i32 9, label %27
  ]

18:                                               ; preds = %15
  %19 = call ptr @__cxa_allocate_exception(i64 32) #4
  %20 = invoke { i32, ptr } @_ZN4chen3sys5errorEv()
          to label %21 unwind label %25

21:                                               ; preds = %18
  %22 = extractvalue { i32, ptr } %20, 0
  %23 = extractvalue { i32, ptr } %20, 1
  invoke void @_ZNSt12system_errorC2ESt10error_codePKc(ptr noundef nonnull align 8 dereferenceable(32) %19, i32 %22, ptr %23, ptr noundef nonnull @.str.2)
          to label %24 unwind label %25

24:                                               ; preds = %21
  call void @__cxa_throw(ptr nonnull %19, ptr nonnull @_ZTISt12system_error, ptr nonnull @_ZNSt12system_errorD1Ev) #6
  unreachable

25:                                               ; preds = %21, %18
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @__cxa_free_exception(ptr %19) #4
  resume { ptr, i32 } %26

27:                                               ; preds = %15, %15, %2
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt13unordered_setIPN4chen9ev_handleESt4hashIS2_ESt8equal_toIS2_ESaIS2_EE5eraseERKS2_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

attributes #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 = { 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 #2 = { 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 #3 = { mustprogress nofree nosync nounwind willreturn memory(none) "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 #4 = { nounwind }
attributes #5 = { nounwind willreturn memory(none) }
attributes #6 = { noreturn }

!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, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !13, i64 0}
!12 = !{!"_ZTSN4chen7reactorE", !13, i64 0, !14, i64 8, !20, i64 64, !23, i64 128, !26, i64 136, !30, i64 160, !34, i64 184}
!13 = !{!"int", !7, i64 0}
!14 = !{!"_ZTSSt13unordered_setIPN4chen9ev_handleESt4hashIS2_ESt8equal_toIS2_ESaIS2_EE", !15, i64 0}
!15 = !{!"_ZTSSt10_HashtableIPN4chen9ev_handleES2_SaIS2_ENSt8__detail9_IdentityESt8equal_toIS2_ESt4hashIS2_ENS4_18_Mod_range_hashingENS4_20_Default_ranged_hashENS4_20_Prime_rehash_policyENS4_17_Hashtable_traitsILb0ELb1ELb1EEEE", !6, i64 0, !16, i64 8, !17, i64 16, !16, i64 24, !18, i64 32, !6, i64 48}
!16 = !{!"long", !7, i64 0}
!17 = !{!"_ZTSNSt8__detail15_Hash_node_baseE", !6, i64 0}
!18 = !{!"_ZTSNSt8__detail20_Prime_rehash_policyE", !19, i64 0, !16, i64 8}
!19 = !{!"float", !7, i64 0}
!20 = !{!"_ZTSN4chen8ev_eventE", !21, i64 0, !23, i64 28, !24, i64 32}
!21 = !{!"_ZTSN4chen9ev_handleE", !22, i64 0, !13, i64 24}
!22 = !{!"_ZTSN4chen7ev_baseE", !6, i64 8, !13, i64 16, !13, i64 20}
!23 = !{!"bool", !7, i64 0}
!24 = !{!"_ZTSSt8functionIFvvEE", !25, i64 0, !6, i64 24}
!25 = !{!"_ZTSSt14_Function_base", !7, i64 0, !6, i64 16}
!26 = !{!"_ZTSSt6vectorIPN4chen8ev_timerESaIS2_EE", !27, i64 0}
!27 = !{!"_ZTSSt12_Vector_baseIPN4chen8ev_timerESaIS2_EE", !28, i64 0}
!28 = !{!"_ZTSNSt12_Vector_baseIPN4chen8ev_timerESaIS2_EE12_Vector_implE", !29, i64 0}
!29 = !{!"_ZTSNSt12_Vector_baseIPN4chen8ev_timerESaIS2_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!30 = !{!"_ZTSSt6vectorI11epoll_eventSaIS0_EE", !31, i64 0}
!31 = !{!"_ZTSSt12_Vector_baseI11epoll_eventSaIS0_EE", !32, i64 0}
!32 = !{!"_ZTSNSt12_Vector_baseI11epoll_eventSaIS0_EE12_Vector_implE", !33, i64 0}
!33 = !{!"_ZTSNSt12_Vector_baseI11epoll_eventSaIS0_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!34 = !{!"_ZTSSt5queueISt4pairIPN4chen7ev_baseEiESt5dequeIS4_SaIS4_EEE", !35, i64 0}
!35 = !{!"_ZTSSt5dequeISt4pairIPN4chen7ev_baseEiESaIS4_EE", !36, i64 0}
!36 = !{!"_ZTSSt11_Deque_baseISt4pairIPN4chen7ev_baseEiESaIS4_EE", !37, i64 0}
!37 = !{!"_ZTSNSt11_Deque_baseISt4pairIPN4chen7ev_baseEiESaIS4_EE11_Deque_implE", !38, i64 0}
!38 = !{!"_ZTSNSt11_Deque_baseISt4pairIPN4chen7ev_baseEiESaIS4_EE16_Deque_impl_dataE", !6, i64 0, !16, i64 8, !39, i64 16, !39, i64 48}
!39 = !{!"_ZTSSt15_Deque_iteratorISt4pairIPN4chen7ev_baseEiERS4_PS4_E", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!40 = !{!13, !13, i64 0}


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