; LLVM IR from wichue/nethello :: src/core/raw/KcpClient.ll (ZN3chw9KcpClient12RcvDataToKcpEPKcl)

; 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.chw::KcpClient" = type { ptr, %"class.std::enable_shared_from_this", ptr, %"class.std::shared_ptr", %"class.std::shared_ptr.0", %"class.std::shared_ptr.3", %"class.std::function", %"class.std::mutex" }
%"class.std::enable_shared_from_this" = type { %"class.std::weak_ptr" }
%"class.std::weak_ptr" = type { %"class.std::__weak_ptr" }
%"class.std::__weak_ptr" = type { ptr, %"class.std::__weak_count" }
%"class.std::__weak_count" = type { ptr }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"class.std::shared_ptr.0" = type { %"class.std::__shared_ptr.1" }
%"class.std::__shared_ptr.1" = type { ptr, %"class.std::__shared_count" }
%"class.std::shared_ptr.3" = type { %"class.std::__shared_ptr.4" }
%"class.std::__shared_ptr.4" = type { ptr, %"class.std::__shared_count" }
%"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::mutex" = type { %"class.std::__mutex_base" }
%"class.std::__mutex_base" = type { %union.pthread_mutex_t }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }

; 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt19__shared_ptr_accessIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3chw9KcpClient12RcvDataToKcpEPKcl(ptr noundef nonnull align 8 dereferenceable(152) %0, ptr noundef %1, i64 noundef %2) #2 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  %10 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  %11 = getelementptr inbounds %"class.chw::KcpClient", ptr %10, i32 0, i32 2
  %12 = load ptr, ptr %11, align 8, !tbaa !11
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = load i64, ptr %6, align 8, !tbaa !9
  %15 = call i32 @ikcp_input(ptr noundef %12, ptr noundef %13, i64 noundef %14)
  store i32 %15, ptr %7, align 4, !tbaa !28
  %16 = load i32, ptr %7, align 4, !tbaa !28
  %17 = icmp slt i32 %16, 0
  br i1 %17, label %18, label %19

18:                                               ; preds = %3
  store i32 1, ptr %8, align 4
  br label %54

19:                                               ; preds = %3
  br label %20

20:                                               ; preds = %52, %19
  br label %21

21:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %22 = getelementptr inbounds %"class.chw::KcpClient", ptr %10, i32 0, i32 2
  %23 = load ptr, ptr %22, align 8, !tbaa !11
  %24 = getelementptr inbounds %"class.chw::KcpClient", ptr %10, i32 0, i32 3
  %25 = call noundef ptr @_ZNKSt19__shared_ptr_accessIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %24) #4
  %26 = call noundef ptr @_ZN3chw6Buffer4dataEv(ptr noundef nonnull align 8 dereferenceable(25) %25)
  %27 = getelementptr inbounds %"class.chw::KcpClient", ptr %10, i32 0, i32 3
  %28 = call noundef ptr @_ZNKSt19__shared_ptr_accessIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %27) #4
  %29 = call noundef i64 @_ZN3chw6Buffer4SizeEv(ptr noundef nonnull align 8 dereferenceable(25) %28)
  %30 = getelementptr inbounds i8, ptr %26, i64 %29
  %31 = getelementptr inbounds %"class.chw::KcpClient", ptr %10, i32 0, i32 3
  %32 = call noundef ptr @_ZNKSt19__shared_ptr_accessIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %31) #4
  %33 = call noundef i64 @_ZN3chw6Buffer4IdleEv(ptr noundef nonnull align 8 dereferenceable(25) %32)
  %34 = trunc i64 %33 to i32
  %35 = call i32 @ikcp_recv(ptr noundef %23, ptr noundef %30, i32 noundef %34)
  store i32 %35, ptr %9, align 4, !tbaa !28
  %36 = load i32, ptr %9, align 4, !tbaa !28
  %37 = icmp slt i32 %36, 0
  br i1 %37, label %38, label %39

38:                                               ; preds = %21
  store i32 3, ptr %8, align 4
  br label %50

39:                                               ; preds = %21
  %40 = getelementptr inbounds %"class.chw::KcpClient", ptr %10, i32 0, i32 3
  %41 = call noundef ptr @_ZNKSt19__shared_ptr_accessIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %40) #4
  %42 = load i32, ptr %9, align 4, !tbaa !28
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds %"class.chw::KcpClient", ptr %10, i32 0, i32 3
  %45 = call noundef ptr @_ZNKSt19__shared_ptr_accessIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %44) #4
  %46 = call noundef i64 @_ZN3chw6Buffer4SizeEv(ptr noundef nonnull align 8 dereferenceable(25) %45)
  %47 = add i64 %43, %46
  call void @_ZN3chw6Buffer7SetSizeEm(ptr noundef nonnull align 8 dereferenceable(25) %41, i64 noundef %47)
  %48 = getelementptr inbounds %"class.chw::KcpClient", ptr %10, i32 0, i32 6
  %49 = getelementptr inbounds %"class.chw::KcpClient", ptr %10, i32 0, i32 3
  call void @_ZNKSt8functionIFvRKSt10shared_ptrIN3chw6BufferEEEEclES5_(ptr noundef nonnull align 8 dereferenceable(32) %48, ptr noundef nonnull align 8 dereferenceable(16) %49)
  store i32 0, ptr %8, align 4
  br label %50

50:                                               ; preds = %39, %38
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  %51 = load i32, ptr %8, align 4
  switch i32 %51, label %57 [
    i32 0, label %52
    i32 3, label %53
  ]

52:                                               ; preds = %50
  br label %20, !llvm.loop !30

53:                                               ; preds = %50
  call void @_ZN3chw9KcpClient11onKcpUpdateEv(ptr noundef nonnull align 8 dereferenceable(152) %10)
  store i32 0, ptr %8, align 4
  br label %54

54:                                               ; preds = %53, %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  %55 = load i32, ptr %8, align 4
  switch i32 %55, label %57 [
    i32 0, label %56
    i32 1, label %56
  ]

56:                                               ; preds = %54, %54
  ret void

57:                                               ; preds = %54, %50
  unreachable
}

declare i32 @ikcp_input(ptr noundef, ptr noundef, i64 noundef) #3

declare i32 @ikcp_recv(ptr noundef, ptr noundef, i32 noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN3chw6Buffer4dataEv(ptr noundef nonnull align 8 dereferenceable(25)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN3chw6Buffer4SizeEv(ptr noundef nonnull align 8 dereferenceable(25)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN3chw6Buffer4IdleEv(ptr noundef nonnull align 8 dereferenceable(25)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3chw6Buffer7SetSizeEm(ptr noundef nonnull align 8 dereferenceable(25), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNKSt8functionIFvRKSt10shared_ptrIN3chw6BufferEEEEclES5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3chw9KcpClient11onKcpUpdateEv(ptr noundef nonnull align 8 dereferenceable(152)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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" }
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 = { "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 }

!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 = !{!"long", !7, i64 0}
!11 = !{!12, !6, i64 24}
!12 = !{!"_ZTSN3chw9KcpClientE", !13, i64 8, !6, i64 24, !17, i64 32, !20, i64 48, !22, i64 64, !24, i64 80, !26, i64 112}
!13 = !{!"_ZTSSt23enable_shared_from_thisIN3chw9KcpClientEE", !14, i64 0}
!14 = !{!"_ZTSSt8weak_ptrIN3chw9KcpClientEE", !15, i64 0}
!15 = !{!"_ZTSSt10__weak_ptrIN3chw9KcpClientELN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0, !16, i64 8}
!16 = !{!"_ZTSSt12__weak_countILN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0}
!17 = !{!"_ZTSSt10shared_ptrIN3chw6BufferEE", !18, i64 0}
!18 = !{!"_ZTSSt12__shared_ptrIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0, !19, i64 8}
!19 = !{!"_ZTSSt14__shared_countILN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0}
!20 = !{!"_ZTSSt10shared_ptrIN3chw9EventLoopEE", !21, i64 0}
!21 = !{!"_ZTSSt12__shared_ptrIN3chw9EventLoopELN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0, !19, i64 8}
!22 = !{!"_ZTSSt10shared_ptrIN3chw5TimerEE", !23, i64 0}
!23 = !{!"_ZTSSt12__shared_ptrIN3chw5TimerELN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0, !19, i64 8}
!24 = !{!"_ZTSSt8functionIFvRKSt10shared_ptrIN3chw6BufferEEEE", !25, i64 0, !6, i64 24}
!25 = !{!"_ZTSSt14_Function_base", !7, i64 0, !6, i64 16}
!26 = !{!"_ZTSSt5mutex", !27, i64 0}
!27 = !{!"_ZTSSt12__mutex_base", !7, i64 0}
!28 = !{!29, !29, i64 0}
!29 = !{!"int", !7, i64 0}
!30 = distinct !{!30, !31}
!31 = !{!"llvm.loop.mustprogress"}


; 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 nounwind uwtable
declare dso_local noundef ptr @_ZNKSt19__shared_ptr_accessIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3chw9KcpClient12RcvDataToKcpEPKcl(ptr noundef nonnull align 8 dereferenceable(152) %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #1 align 2 {
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %6 = tail call i32 @ikcp_input(ptr noundef %5, ptr noundef %1, i64 noundef %2)
  %7 = icmp slt i32 %6, 0
  br i1 %7, label %29, label %.preheader

.preheader:                                       ; preds = %3
  %8 = getelementptr inbounds i8, ptr %0, i64 32
  %9 = getelementptr inbounds i8, ptr %0, i64 80
  br label %10

10:                                               ; preds = %.preheader, %22
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = tail call noundef ptr @_ZNKSt19__shared_ptr_accessIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %8) #3
  %13 = tail call noundef ptr @_ZN3chw6Buffer4dataEv(ptr noundef nonnull align 8 dereferenceable(25) %12)
  %14 = tail call noundef ptr @_ZNKSt19__shared_ptr_accessIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %8) #3
  %15 = tail call noundef i64 @_ZN3chw6Buffer4SizeEv(ptr noundef nonnull align 8 dereferenceable(25) %14)
  %16 = getelementptr inbounds i8, ptr %13, i64 %15
  %17 = tail call noundef ptr @_ZNKSt19__shared_ptr_accessIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %8) #3
  %18 = tail call noundef i64 @_ZN3chw6Buffer4IdleEv(ptr noundef nonnull align 8 dereferenceable(25) %17)
  %19 = trunc i64 %18 to i32
  %20 = tail call i32 @ikcp_recv(ptr noundef %11, ptr noundef %16, i32 noundef %19)
  %21 = icmp slt i32 %20, 0
  br i1 %21, label %28, label %22

22:                                               ; preds = %10
  %23 = tail call noundef ptr @_ZNKSt19__shared_ptr_accessIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %8) #3
  %24 = zext nneg i32 %20 to i64
  %25 = tail call noundef ptr @_ZNKSt19__shared_ptr_accessIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %8) #3
  %26 = tail call noundef i64 @_ZN3chw6Buffer4SizeEv(ptr noundef nonnull align 8 dereferenceable(25) %25)
  %27 = add i64 %26, %24
  tail call void @_ZN3chw6Buffer7SetSizeEm(ptr noundef nonnull align 8 dereferenceable(25) %23, i64 noundef %27)
  tail call void @_ZNKSt8functionIFvRKSt10shared_ptrIN3chw6BufferEEEEclES5_(ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef nonnull align 8 dereferenceable(16) %8)
  br label %10

28:                                               ; preds = %10
  tail call void @_ZN3chw9KcpClient11onKcpUpdateEv(ptr noundef nonnull align 8 dereferenceable(152) %0)
  br label %29

29:                                               ; preds = %3, %28
  ret void
}

declare i32 @ikcp_input(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #2

declare i32 @ikcp_recv(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN3chw6Buffer4dataEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN3chw6Buffer4SizeEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN3chw6Buffer4IdleEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3chw6Buffer7SetSizeEm(ptr noundef nonnull align 8 dereferenceable(25), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNKSt8functionIFvRKSt10shared_ptrIN3chw6BufferEEEEclES5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3chw9KcpClient11onKcpUpdateEv(ptr noundef nonnull align 8 dereferenceable(152)) local_unnamed_addr #1 align 2

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" }
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 = { "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, !10, i64 24}
!6 = !{!"_ZTSN3chw9KcpClientE", !7, i64 8, !10, i64 24, !14, i64 32, !17, i64 48, !19, i64 64, !21, i64 80, !23, i64 112}
!7 = !{!"_ZTSSt23enable_shared_from_thisIN3chw9KcpClientEE", !8, i64 0}
!8 = !{!"_ZTSSt8weak_ptrIN3chw9KcpClientEE", !9, i64 0}
!9 = !{!"_ZTSSt10__weak_ptrIN3chw9KcpClientELN9__gnu_cxx12_Lock_policyE2EE", !10, i64 0, !13, i64 8}
!10 = !{!"any pointer", !11, i64 0}
!11 = !{!"omnipotent char", !12, i64 0}
!12 = !{!"Simple C++ TBAA"}
!13 = !{!"_ZTSSt12__weak_countILN9__gnu_cxx12_Lock_policyE2EE", !10, i64 0}
!14 = !{!"_ZTSSt10shared_ptrIN3chw6BufferEE", !15, i64 0}
!15 = !{!"_ZTSSt12__shared_ptrIN3chw6BufferELN9__gnu_cxx12_Lock_policyE2EE", !10, i64 0, !16, i64 8}
!16 = !{!"_ZTSSt14__shared_countILN9__gnu_cxx12_Lock_policyE2EE", !10, i64 0}
!17 = !{!"_ZTSSt10shared_ptrIN3chw9EventLoopEE", !18, i64 0}
!18 = !{!"_ZTSSt12__shared_ptrIN3chw9EventLoopELN9__gnu_cxx12_Lock_policyE2EE", !10, i64 0, !16, i64 8}
!19 = !{!"_ZTSSt10shared_ptrIN3chw5TimerEE", !20, i64 0}
!20 = !{!"_ZTSSt12__shared_ptrIN3chw5TimerELN9__gnu_cxx12_Lock_policyE2EE", !10, i64 0, !16, i64 8}
!21 = !{!"_ZTSSt8functionIFvRKSt10shared_ptrIN3chw6BufferEEEE", !22, i64 0, !10, i64 24}
!22 = !{!"_ZTSSt14_Function_base", !11, i64 0, !10, i64 16}
!23 = !{!"_ZTSSt5mutex", !24, i64 0}
!24 = !{!"_ZTSSt12__mutex_base", !11, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopSimplifyPass,SROAPass,SimplifyCFGPass,TailCallElimPass