; LLVM IR from mkazhdan/DMG :: Util (Socket)

; 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.boost::asio::io_context" = type { %"class.boost::asio::execution_context", ptr }
%"class.boost::asio::execution_context" = type { ptr }

@_ZL10io_service = external hidden global %"class.boost::asio::io_context", align 8

; 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 i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5boost4asio19basic_stream_socketINS0_2ip3tcpENS0_9execution12any_executorIJNS4_12context_as_tIRNS0_17execution_contextEEENS4_6detail8blocking7never_tILi0EEENS4_11prefer_onlyINSB_10possibly_tILi0EEEEENSE_INSA_16outstanding_work9tracked_tILi0EEEEENSE_INSI_11untracked_tILi0EEEEENSE_INSA_12relationship6fork_tILi0EEEEENSE_INSP_14continuation_tILi0EEEEEEEEEC2INS0_10io_contextEEERT_PNSt9enable_ifIXsr14is_convertibleIS11_S8_EE5valueEvE4typeE(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #2 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z12AcceptSocketPN5boost4asio21basic_socket_acceptorINS0_2ip3tcpENS0_9execution12any_executorIJNS4_12context_as_tIRNS0_17execution_contextEEENS4_6detail8blocking7never_tILi0EEENS4_11prefer_onlyINSB_10possibly_tILi0EEEEENSE_INSA_16outstanding_work9tracked_tILi0EEEEENSE_INSI_11untracked_tILi0EEEEENSE_INSA_12relationship6fork_tILi0EEEEENSE_INSP_14continuation_tILi0EEEEEEEEEE(ptr noundef %0) #2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %6 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 80) #5
  invoke void @_ZN5boost4asio19basic_stream_socketINS0_2ip3tcpENS0_9execution12any_executorIJNS4_12context_as_tIRNS0_17execution_contextEEENS4_6detail8blocking7never_tILi0EEENS4_11prefer_onlyINSB_10possibly_tILi0EEEEENSE_INSA_16outstanding_work9tracked_tILi0EEEEENSE_INSI_11untracked_tILi0EEEEENSE_INSA_12relationship6fork_tILi0EEEEENSE_INSP_14continuation_tILi0EEEEEEEEEC2INS0_10io_contextEEERT_PNSt9enable_ifIXsr14is_convertibleIS11_S8_EE5valueEvE4typeE(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 8 dereferenceable(16) @_ZL10io_service, ptr noundef null)
          to label %7 unwind label %11

7:                                                ; preds = %1
  store ptr %6, ptr %3, align 8, !tbaa !5
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  call void @_ZN5boost4asio21basic_socket_acceptorINS0_2ip3tcpENS0_9execution12any_executorIJNS4_12context_as_tIRNS0_17execution_contextEEENS4_6detail8blocking7never_tILi0EEENS4_11prefer_onlyINSB_10possibly_tILi0EEEEENSE_INSA_16outstanding_work9tracked_tILi0EEEEENSE_INSI_11untracked_tILi0EEEEENSE_INSA_12relationship6fork_tILi0EEEEENSE_INSP_14continuation_tILi0EEEEEEEEE6acceptIS3_SW_EEvRNS0_12basic_socketIT_T0_EEPNSt9enable_ifIXsr14is_convertibleIS3_S10_EE5valueEvE4typeE(ptr noundef nonnull align 8 dereferenceable(80) %8, ptr noundef nonnull align 8 dereferenceable(80) %9, ptr noundef null)
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret ptr %10

11:                                               ; preds = %1
  %12 = landingpad { ptr, i32 }
          cleanup
  %13 = extractvalue { ptr, i32 } %12, 0
  store ptr %13, ptr %4, align 8
  %14 = extractvalue { ptr, i32 } %12, 1
  store i32 %14, ptr %5, align 4
  call void @_ZdlPvm(ptr noundef %6, i64 noundef 80) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %15

15:                                               ; preds = %11
  %16 = load ptr, ptr %4, align 8
  %17 = load i32, ptr %5, align 4
  %18 = insertvalue { ptr, i32 } poison, ptr %16, 0
  %19 = insertvalue { ptr, i32 } %18, i32 %17, 1
  resume { ptr, i32 } %19
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5boost4asio21basic_socket_acceptorINS0_2ip3tcpENS0_9execution12any_executorIJNS4_12context_as_tIRNS0_17execution_contextEEENS4_6detail8blocking7never_tILi0EEENS4_11prefer_onlyINSB_10possibly_tILi0EEEEENSE_INSA_16outstanding_work9tracked_tILi0EEEEENSE_INSI_11untracked_tILi0EEEEENSE_INSA_12relationship6fork_tILi0EEEEENSE_INSP_14continuation_tILi0EEEEEEEEE6acceptIS3_SW_EEvRNS0_12basic_socketIT_T0_EEPNSt9enable_ifIXsr14is_convertibleIS3_S10_EE5valueEvE4typeE(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(80), ptr noundef) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { nobuiltin 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 }
attributes #5 = { builtin allocsize(0) }
attributes #6 = { builtin 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"}


; 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"

%"class.boost::asio::io_context" = type { %"class.boost::asio::execution_context", ptr }
%"class.boost::asio::execution_context" = type { ptr }

@_ZL10io_service = external hidden global %"class.boost::asio::io_context", align 8

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5boost4asio19basic_stream_socketINS0_2ip3tcpENS0_9execution12any_executorIJNS4_12context_as_tIRNS0_17execution_contextEEENS4_6detail8blocking7never_tILi0EEENS4_11prefer_onlyINSB_10possibly_tILi0EEEEENSE_INSA_16outstanding_work9tracked_tILi0EEEEENSE_INSI_11untracked_tILi0EEEEENSE_INSA_12relationship6fork_tILi0EEEEENSE_INSP_14continuation_tILi0EEEEEEEEEC2INS0_10io_contextEEERT_PNSt9enable_ifIXsr14is_convertibleIS11_S8_EE5valueEvE4typeE(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #1 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull ptr @_Z12AcceptSocketPN5boost4asio21basic_socket_acceptorINS0_2ip3tcpENS0_9execution12any_executorIJNS4_12context_as_tIRNS0_17execution_contextEEENS4_6detail8blocking7never_tILi0EEENS4_11prefer_onlyINSB_10possibly_tILi0EEEEENSE_INSA_16outstanding_work9tracked_tILi0EEEEENSE_INSI_11untracked_tILi0EEEEENSE_INSA_12relationship6fork_tILi0EEEEENSE_INSP_14continuation_tILi0EEEEEEEEEE(ptr noundef %0) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %2 = tail call noalias noundef nonnull dereferenceable(80) ptr @_Znwm(i64 noundef 80) #3
  invoke void @_ZN5boost4asio19basic_stream_socketINS0_2ip3tcpENS0_9execution12any_executorIJNS4_12context_as_tIRNS0_17execution_contextEEENS4_6detail8blocking7never_tILi0EEENS4_11prefer_onlyINSB_10possibly_tILi0EEEEENSE_INSA_16outstanding_work9tracked_tILi0EEEEENSE_INSI_11untracked_tILi0EEEEENSE_INSA_12relationship6fork_tILi0EEEEENSE_INSP_14continuation_tILi0EEEEEEEEEC2INS0_10io_contextEEERT_PNSt9enable_ifIXsr14is_convertibleIS11_S8_EE5valueEvE4typeE(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 8 dereferenceable(16) @_ZL10io_service, ptr noundef null)
          to label %3 unwind label %4

3:                                                ; preds = %1
  tail call void @_ZN5boost4asio21basic_socket_acceptorINS0_2ip3tcpENS0_9execution12any_executorIJNS4_12context_as_tIRNS0_17execution_contextEEENS4_6detail8blocking7never_tILi0EEENS4_11prefer_onlyINSB_10possibly_tILi0EEEEENSE_INSA_16outstanding_work9tracked_tILi0EEEEENSE_INSI_11untracked_tILi0EEEEENSE_INSA_12relationship6fork_tILi0EEEEENSE_INSP_14continuation_tILi0EEEEEEEEE6acceptIS3_SW_EEvRNS0_12basic_socketIT_T0_EEPNSt9enable_ifIXsr14is_convertibleIS3_S10_EE5valueEvE4typeE(ptr noundef nonnull align 8 dereferenceable(80) %0, ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef null)
  ret ptr %2

4:                                                ; preds = %1
  %5 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %2, i64 noundef 80) #4
  resume { ptr, i32 } %5
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5boost4asio21basic_socket_acceptorINS0_2ip3tcpENS0_9execution12any_executorIJNS4_12context_as_tIRNS0_17execution_contextEEENS4_6detail8blocking7never_tILi0EEENS4_11prefer_onlyINSB_10possibly_tILi0EEEEENSE_INSA_16outstanding_work9tracked_tILi0EEEEENSE_INSI_11untracked_tILi0EEEEENSE_INSA_12relationship6fork_tILi0EEEEENSE_INSP_14continuation_tILi0EEEEEEEEE6acceptIS3_SW_EEvRNS0_12basic_socketIT_T0_EEPNSt9enable_ifIXsr14is_convertibleIS3_S10_EE5valueEvE4typeE(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(80), ptr noundef) local_unnamed_addr #1 align 2

attributes #0 = { 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 #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 = { nobuiltin 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 = { builtin allocsize(0) }
attributes #4 = { builtin 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)"}


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