; LLVM IR from nbdd0121/GenerationalGC :: Handle.ll (ZN6norlit2gc6detail10HandleBaseaSEPNS0_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 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 @_ZN6norlit2gc6detail10HandleBaseaSEPNS0_6ObjectE(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef %1) #0 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 = getelementptr inbounds %"class.norlit::gc::detail::HandleBase", ptr %5, i32 0, i32 0
  %7 = load ptr, ptr %6, align 8, !tbaa !9
  %8 = icmp ne ptr %7, null
  br i1 %8, label %13, label %9

9:                                                ; preds = %2
  %10 = load ptr, ptr @_ZN12_GLOBAL__N_14rootE, align 8, !tbaa !5
  %11 = call noundef ptr @_ZN6norlit2gc6detail11HandleGroup8AllocateEv(ptr noundef nonnull align 8 dereferenceable(8048) %10)
  %12 = getelementptr inbounds %"class.norlit::gc::detail::HandleBase", ptr %5, i32 0, i32 0
  store ptr %11, ptr %12, align 8, !tbaa !9
  br label %13

13:                                               ; preds = %9, %2
  %14 = load ptr, ptr @_ZN12_GLOBAL__N_14rootE, align 8, !tbaa !5
  %15 = getelementptr inbounds %"class.norlit::gc::detail::HandleBase", ptr %5, i32 0, i32 0
  %16 = load ptr, ptr %15, align 8, !tbaa !9
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN6norlit2gc6detail11HandleGroup5WriteEPPNS0_6ObjectES4_(ptr noundef nonnull align 8 dereferenceable(8048) %14, ptr noundef %16, ptr noundef %17)
  ret void
}

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" }

!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 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 @_ZN6norlit2gc6detail10HandleBaseaSEPNS0_6ObjectE(ptr nocapture noundef nonnull align 8 dereferenceable(8) %0, ptr noundef %1) local_unnamed_addr #0 align 2 {
  %3 = load ptr, ptr %0, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %4, label %7

4:                                                ; preds = %2
  %5 = load ptr, ptr @_ZN12_GLOBAL__N_14rootE, align 8, !tbaa !10
  %6 = tail call noundef ptr @_ZN6norlit2gc6detail11HandleGroup8AllocateEv(ptr noundef nonnull align 8 dereferenceable(8048) %5)
  store ptr %6, ptr %0, align 8, !tbaa !5
  br label %7

7:                                                ; preds = %4, %2
  %8 = phi ptr [ %6, %4 ], [ %3, %2 ]
  %9 = load ptr, ptr @_ZN12_GLOBAL__N_14rootE, align 8, !tbaa !10
  tail call void @_ZN6norlit2gc6detail11HandleGroup5WriteEPPNS0_6ObjectES4_(ptr noundef nonnull align 8 dereferenceable(8048) %9, ptr noundef %8, ptr noundef %1)
  ret void
}

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" }

!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 0}
!6 = !{!"_ZTSN6norlit2gc6detail10HandleBaseE", !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!7, !7, i64 0}


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