; LLVM IR from NervanaSystems/ngraph :: src/ngraph/node.ll (ZN6ngraph4Node26merge_provenance_tags_fromERKSt10shared_ptrIKS0_E)

; 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"

%"struct.std::__detail::_Node_const_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(56) ptr @_ZNK6ngraph4Node19get_provenance_tagsB5cxx11Ev(ptr noundef nonnull align 8 dereferenceable(680)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN6ngraph4Node18add_provenance_tagERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(680), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6ngraph4Node26merge_provenance_tags_fromERKSt10shared_ptrIKS0_E(ptr noundef nonnull align 8 dereferenceable(680) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %"struct.std::__detail::_Node_const_iterator", align 8
  %7 = alloca %"struct.std::__detail::_Node_const_iterator", align 8
  %8 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = call noundef ptr @_ZNKSt19__shared_ptr_accessIKN6ngraph4NodeELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  %12 = call noundef nonnull align 8 dereferenceable(56) ptr @_ZNK6ngraph4Node19get_provenance_tagsB5cxx11Ev(ptr noundef nonnull align 8 dereferenceable(680) %11)
  store ptr %12, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = call ptr @_ZNKSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) %13) #3
  %15 = getelementptr inbounds %"struct.std::__detail::_Node_const_iterator", ptr %6, i32 0, i32 0
  %16 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %15, i32 0, i32 0
  store ptr %14, ptr %16, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = call ptr @_ZNKSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %17) #3
  %19 = getelementptr inbounds %"struct.std::__detail::_Node_const_iterator", ptr %7, i32 0, i32 0
  %20 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %19, i32 0, i32 0
  store ptr %18, ptr %20, align 8
  br label %21

21:                                               ; preds = %27, %2
  %22 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #3
  br i1 %22, label %24, label %23

23:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %29

24:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %25 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt8__detail20_Node_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #3
  store ptr %25, ptr %8, align 8, !tbaa !5
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  call void @_ZN6ngraph4Node18add_provenance_tagERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(680) %9, ptr noundef nonnull align 8 dereferenceable(32) %26)
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %27

27:                                               ; preds = %24
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail20_Node_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #3
  br label %21

29:                                               ; preds = %23
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt19__shared_ptr_accessIKN6ngraph4NodeELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt8__detail20_Node_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail20_Node_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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"}


; 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"

%"struct.std::__detail::_Node_const_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(56) ptr @_ZNK6ngraph4Node19get_provenance_tagsB5cxx11Ev(ptr noundef nonnull align 8 dereferenceable(680)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN6ngraph4Node18add_provenance_tagERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(680), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6ngraph4Node26merge_provenance_tags_fromERKSt10shared_ptrIKS0_E(ptr noundef nonnull align 8 dereferenceable(680) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) local_unnamed_addr #2 align 2 {
  %3 = alloca %"struct.std::__detail::_Node_const_iterator", align 8
  %4 = alloca %"struct.std::__detail::_Node_const_iterator", align 8
  %5 = tail call noundef ptr @_ZNKSt19__shared_ptr_accessIKN6ngraph4NodeELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %1) #3
  %6 = tail call noundef nonnull align 8 dereferenceable(56) ptr @_ZNK6ngraph4Node19get_provenance_tagsB5cxx11Ev(ptr noundef nonnull align 8 dereferenceable(680) %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %7 = tail call ptr @_ZNKSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) %6) #3
  store ptr %7, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %8 = tail call ptr @_ZNKSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %6) #3
  store ptr %8, ptr %4, align 8
  %9 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  br i1 %9, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  ret void

.lr.ph:                                           ; preds = %2, %.lr.ph
  %10 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt8__detail20_Node_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  call void @_ZN6ngraph4Node18add_provenance_tagERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(680) %0, ptr noundef nonnull align 8 dereferenceable(32) %10)
  %11 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail20_Node_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %12 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  br i1 %12, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt19__shared_ptr_accessIKN6ngraph4NodeELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt8__detail20_Node_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail20_Node_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass