; LLVM IR from microsoft/Multiverso :: src/table.ll (ZN10multiverso11WorkerTableD2Ev)

; 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.multiverso::WorkerTable" = type <{ ptr, %"class.std::__cxx11::basic_string", i32, [4 x i8], ptr, %"class.std::vector", i32, [4 x i8] }>
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<multiverso::Waiter *, std::allocator<multiverso::Waiter *>>::_Vector_impl" }
%"struct.std::_Vector_base<multiverso::Waiter *, std::allocator<multiverso::Waiter *>>::_Vector_impl" = type { %"struct.std::_Vector_base<multiverso::Waiter *, std::allocator<multiverso::Waiter *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<multiverso::Waiter *, std::allocator<multiverso::Waiter *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZTVN10multiverso11WorkerTableE = external dso_local unnamed_addr constant { [6 x ptr] }, align 8

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN10multiverso6WaiterESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN10multiverso11WorkerTableD2Ev(ptr noundef nonnull align 8 dereferenceable(84) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  store ptr getelementptr inbounds inrange(-16, 32) ({ [6 x ptr] }, ptr @_ZTVN10multiverso11WorkerTableE, i32 0, i32 0, i32 2), ptr %3, align 8, !tbaa !9
  %4 = getelementptr inbounds %"class.multiverso::WorkerTable", ptr %3, i32 0, i32 4
  %5 = load ptr, ptr %4, align 8, !tbaa !11
  %6 = icmp eq ptr %5, null
  br i1 %6, label %8, label %7

7:                                                ; preds = %1
  call void @_ZdlPvm(ptr noundef %5, i64 noundef 40) #2
  br label %8

8:                                                ; preds = %7, %1
  %9 = getelementptr inbounds %"class.multiverso::WorkerTable", ptr %3, i32 0, i32 5
  call void @_ZNSt6vectorIPN10multiverso6WaiterESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  %10 = getelementptr inbounds %"class.multiverso::WorkerTable", ptr %3, i32 0, i32 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #3
  ret void
}

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #1

attributes #0 = { 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 #1 = { 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 #2 = { builtin nounwind }
attributes #3 = { 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, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !6, i64 48}
!12 = !{!"_ZTSN10multiverso11WorkerTableE", !13, i64 8, !16, i64 40, !6, i64 48, !17, i64 56, !16, i64 80}
!13 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !14, i64 0, !15, i64 8, !7, i64 16}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!15 = !{!"long", !7, i64 0}
!16 = !{!"int", !7, i64 0}
!17 = !{!"_ZTSSt6vectorIPN10multiverso6WaiterESaIS2_EE", !18, i64 0}
!18 = !{!"_ZTSSt12_Vector_baseIPN10multiverso6WaiterESaIS2_EE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseIPN10multiverso6WaiterESaIS2_EE12_Vector_implE", !20, i64 0}
!20 = !{!"_ZTSNSt12_Vector_baseIPN10multiverso6WaiterESaIS2_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}


; 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"

@_ZTVN10multiverso11WorkerTableE = external dso_local unnamed_addr constant { [6 x ptr] }, align 8

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN10multiverso6WaiterESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN10multiverso11WorkerTableD2Ev(ptr noundef nonnull align 8 dereferenceable(84) %0) unnamed_addr #0 align 2 {
  store ptr getelementptr inbounds inrange(-16, 32) (i8, ptr @_ZTVN10multiverso11WorkerTableE, i64 16), ptr %0, align 8, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 48
  %3 = load ptr, ptr %2, align 8, !tbaa !8
  %4 = icmp eq ptr %3, null
  br i1 %4, label %6, label %5

5:                                                ; preds = %1
  tail call void @_ZdlPvm(ptr noundef nonnull %3, i64 noundef 40) #2
  br label %6

6:                                                ; preds = %5, %1
  %7 = getelementptr inbounds i8, ptr %0, i64 56
  tail call void @_ZNSt6vectorIPN10multiverso6WaiterESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  ret void
}

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #1

attributes #0 = { 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 #1 = { 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 #2 = { builtin nounwind }
attributes #3 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !12, i64 48}
!9 = !{!"_ZTSN10multiverso11WorkerTableE", !10, i64 8, !15, i64 40, !12, i64 48, !16, i64 56, !15, i64 80}
!10 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !11, i64 0, !14, i64 8, !13, i64 16}
!11 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !12, i64 0}
!12 = !{!"any pointer", !13, i64 0}
!13 = !{!"omnipotent char", !7, i64 0}
!14 = !{!"long", !13, i64 0}
!15 = !{!"int", !13, i64 0}
!16 = !{!"_ZTSSt6vectorIPN10multiverso6WaiterESaIS2_EE", !17, i64 0}
!17 = !{!"_ZTSSt12_Vector_baseIPN10multiverso6WaiterESaIS2_EE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseIPN10multiverso6WaiterESaIS2_EE12_Vector_implE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseIPN10multiverso6WaiterESaIS2_EE17_Vector_impl_dataE", !12, i64 0, !12, i64 8, !12, i64 16}


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