; LLVM IR from nbdd0121/GenerationalGC :: Handle.ll (ZN6norlit2gc6detail10HandleBaseC2EPNS0_6ObjectE)

; 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.norlit::gc::detail::HandleBase" = type { ptr }

@_ZN12_GLOBAL__N_14rootE = external hidden global ptr, align 8

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN6norlit2gc6detail11HandleGroup8AllocateEv(ptr noundef nonnull align 8 dereferenceable(8048)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN6norlit2gc6detail11HandleGroupnwEm(i64 noundef) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6norlit2gc6detail11HandleGroupdlEPv(ptr noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN6norlit2gc6detail11HandleGroup5WriteEPPNS0_6ObjectES4_(ptr noundef nonnull align 8 dereferenceable(8048), ptr noundef, ptr noundef) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6norlit2gc6detail10HandleBaseC2EPNS0_6ObjectE(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8
  %8 = load ptr, ptr @_ZN12_GLOBAL__N_14rootE, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %17, label %10

10:                                               ; preds = %2
  %11 = call noundef ptr @_ZN6norlit2gc6detail11HandleGroupnwEm(i64 noundef 8048)
  invoke void @_ZN6norlit2gc6detail11HandleGroupC1Ev(ptr noundef nonnull align 8 dereferenceable(8048) %11)
          to label %12 unwind label %13

12:                                               ; preds = %10
  store ptr %11, ptr @_ZN12_GLOBAL__N_14rootE, align 8, !tbaa !5
  br label %17

13:                                               ; preds = %10
  %14 = landingpad { ptr, i32 }
          cleanup
  %15 = extractvalue { ptr, i32 } %14, 0
  store ptr %15, ptr %5, align 8
  %16 = extractvalue { ptr, i32 } %14, 1
  store i32 %16, ptr %6, align 4
  call void @_ZN6norlit2gc6detail11HandleGroupdlEPv(ptr noundef %11) #2
  br label %25

17:                                               ; preds = %12, %2
  %18 = load ptr, ptr @_ZN12_GLOBAL__N_14rootE, align 8, !tbaa !5
  %19 = call noundef ptr @_ZN6norlit2gc6detail11HandleGroup8AllocateEv(ptr noundef nonnull align 8 dereferenceable(8048) %18)
  %20 = getelementptr inbounds %"class.norlit::gc::detail::HandleBase", ptr %7, i32 0, i32 0
  store ptr %19, ptr %20, align 8, !tbaa !9
  %21 = load ptr, ptr @_ZN12_GLOBAL__N_14rootE, align 8, !tbaa !5
  %22 = getelementptr inbounds %"class.norlit::gc::detail::HandleBase", ptr %7, i32 0, i32 0
  %23 = load ptr, ptr %22, align 8, !tbaa !9
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN6norlit2gc6detail11HandleGroup5WriteEPPNS0_6ObjectES4_(ptr noundef nonnull align 8 dereferenceable(8048) %21, ptr noundef %23, ptr noundef %24)
  ret void

25:                                               ; preds = %13
  %26 = load ptr, ptr %5, align 8
  %27 = load i32, ptr %6, align 4
  %28 = insertvalue { ptr, i32 } poison, ptr %26, 0
  %29 = insertvalue { ptr, i32 } %28, i32 %27, 1
  resume { ptr, i32 } %29
}

declare void @_ZN6norlit2gc6detail11HandleGroupC1Ev(ptr)

attributes #0 = { 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 #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 }

!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 0}
!10 = !{!"_ZTSN6norlit2gc6detail10HandleBaseE", !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"

@_ZN12_GLOBAL__N_14rootE = external hidden local_unnamed_addr global ptr, align 8

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN6norlit2gc6detail11HandleGroup8AllocateEv(ptr noundef nonnull align 8 dereferenceable(8048)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN6norlit2gc6detail11HandleGroupnwEm(i64 noundef) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6norlit2gc6detail11HandleGroupdlEPv(ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN6norlit2gc6detail11HandleGroup5WriteEPPNS0_6ObjectES4_(ptr noundef nonnull align 8 dereferenceable(8048), ptr noundef, ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6norlit2gc6detail10HandleBaseC2EPNS0_6ObjectE(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(8) %0, ptr noundef %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = load ptr, ptr @_ZN12_GLOBAL__N_14rootE, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %4, label %9

4:                                                ; preds = %2
  %5 = tail call noundef ptr @_ZN6norlit2gc6detail11HandleGroupnwEm(i64 noundef 8048)
  invoke void @_ZN6norlit2gc6detail11HandleGroupC1Ev(ptr noundef nonnull align 8 dereferenceable(8048) %5)
          to label %6 unwind label %7

6:                                                ; preds = %4
  store ptr %5, ptr @_ZN12_GLOBAL__N_14rootE, align 8, !tbaa !5
  br label %9

7:                                                ; preds = %4
  %8 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZN6norlit2gc6detail11HandleGroupdlEPv(ptr noundef %5) #2
  resume { ptr, i32 } %8

9:                                                ; preds = %6, %2
  %10 = phi ptr [ %5, %6 ], [ %3, %2 ]
  %11 = tail call noundef ptr @_ZN6norlit2gc6detail11HandleGroup8AllocateEv(ptr noundef nonnull align 8 dereferenceable(8048) %10)
  store ptr %11, ptr %0, align 8, !tbaa !9
  %12 = load ptr, ptr @_ZN12_GLOBAL__N_14rootE, align 8, !tbaa !5
  tail call void @_ZN6norlit2gc6detail11HandleGroup5WriteEPPNS0_6ObjectES4_(ptr noundef nonnull align 8 dereferenceable(8048) %12, ptr noundef %11, ptr noundef %1)
  ret void
}

declare void @_ZN6norlit2gc6detail11HandleGroupC1Ev(ptr) local_unnamed_addr

attributes #0 = { 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 #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 }

!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 0}
!10 = !{!"_ZTSN6norlit2gc6detail10HandleBaseE", !6, i64 0}


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