; 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"

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z11CloseSocketRPN5boost4asio19basic_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_tILi0EEEEEEEEEE(ptr noundef nonnull align 8 dereferenceable(8) %0) #1 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = icmp eq ptr %4, null
  br i1 %5, label %7, label %6

6:                                                ; preds = %1
  call void @_ZN5boost4asio12basic_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_tILi0EEEEEEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #2
  call void @_ZdlPvm(ptr noundef %4, i64 noundef 80) #3
  br label %7

7:                                                ; preds = %6, %1
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  store ptr null, ptr %8, align 8, !tbaa !5
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5boost4asio12basic_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_tILi0EEEEEEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #1 align 2

attributes #0 = { 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 #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 = { nounwind }
attributes #3 = { 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"

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z11CloseSocketRPN5boost4asio19basic_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_tILi0EEEEEEEEEE(ptr nocapture noundef nonnull align 8 dereferenceable(8) %0) local_unnamed_addr #1 {
  %2 = load ptr, ptr %0, align 8, !tbaa !5
  %3 = icmp eq ptr %2, null
  br i1 %3, label %5, label %4

4:                                                ; preds = %1
  tail call void @_ZN5boost4asio12basic_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_tILi0EEEEEEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2) #2
  tail call void @_ZdlPvm(ptr noundef nonnull %2, i64 noundef 80) #3
  br label %5

5:                                                ; preds = %4, %1
  store ptr null, ptr %0, align 8, !tbaa !5
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5boost4asio12basic_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_tILi0EEEEEEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #1 align 2

attributes #0 = { 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 #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 = { nounwind }
attributes #3 = { 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"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass