; LLVM IR from dynexcoin/Dynex :: src/Platform/Linux/System/TcpConnector.ll (ZN6System12TcpConnectoraSEOS0_)

; 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.System::TcpConnector" = type { ptr, ptr }

@.str = external hidden unnamed_addr constant [25 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [92 x i8], align 1
@__PRETTY_FUNCTION__._ZN6System12TcpConnectoraSEOS0_ = external hidden unnamed_addr constant [63 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN6System12TcpConnectoraSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds %"class.System::TcpConnector", ptr %6, i32 0, i32 1
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %9 = getelementptr inbounds %"class.System::TcpConnector", ptr %5, i32 0, i32 1
  store ptr %8, ptr %9, align 8, !tbaa !9
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %"class.System::TcpConnector", ptr %10, i32 0, i32 1
  %12 = load ptr, ptr %11, align 8, !tbaa !9
  %13 = icmp ne ptr %12, null
  br i1 %13, label %14, label %26

14:                                               ; preds = %2
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %"class.System::TcpConnector", ptr %15, i32 0, i32 0
  %17 = load ptr, ptr %16, align 8, !tbaa !11
  %18 = icmp eq ptr %17, null
  br i1 %18, label %19, label %20

19:                                               ; preds = %14
  br label %22

20:                                               ; preds = %14
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 64, ptr noundef @__PRETTY_FUNCTION__._ZN6System12TcpConnectoraSEOS0_) #2
  unreachable

21:                                               ; No predecessors!
  br label %22

22:                                               ; preds = %21, %19
  %23 = getelementptr inbounds %"class.System::TcpConnector", ptr %5, i32 0, i32 0
  store ptr null, ptr %23, align 8, !tbaa !11
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = getelementptr inbounds %"class.System::TcpConnector", ptr %24, i32 0, i32 1
  store ptr null, ptr %25, align 8, !tbaa !9
  br label %26

26:                                               ; preds = %22, %2
  ret ptr %5
}

attributes #0 = { noreturn 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 = { noreturn 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, !6, i64 8}
!10 = !{!"_ZTSN6System12TcpConnectorE", !6, i64 0, !6, i64 8}
!11 = !{!10, !6, i64 0}


; 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"

@.str = external hidden unnamed_addr constant [25 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [92 x i8], align 1
@__PRETTY_FUNCTION__._ZN6System12TcpConnectoraSEOS0_ = external hidden unnamed_addr constant [63 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN6System12TcpConnectoraSEOS0_(ptr noundef nonnull returned writeonly align 8 dereferenceable(16) %0, ptr nocapture noundef nonnull align 8 dereferenceable(16) %1) local_unnamed_addr #1 align 2 {
  %3 = getelementptr inbounds i8, ptr %1, i64 8
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  store ptr %4, ptr %5, align 8, !tbaa !5
  %.not = icmp eq ptr %4, null
  br i1 %.not, label %11, label %6

6:                                                ; preds = %2
  %7 = load ptr, ptr %1, align 8, !tbaa !10
  %8 = icmp eq ptr %7, null
  br i1 %8, label %10, label %9

9:                                                ; preds = %6
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 64, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN6System12TcpConnectoraSEOS0_) #2
  unreachable

10:                                               ; preds = %6
  store ptr null, ptr %0, align 8, !tbaa !10
  store ptr null, ptr %3, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %10, %2
  ret ptr %0
}

attributes #0 = { noreturn 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 = { noreturn 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, !7, i64 8}
!6 = !{!"_ZTSN6System12TcpConnectorE", !7, i64 0, !7, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 0}


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