; LLVM IR from NervanaSystems/ngraph :: src/ngraph/node_output.ll (ZN6ngraph6OutputINS_4NodeEE7replaceERKS2_)

; 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.std::set.93" = type { %"class.std::_Rb_tree.94" }
%"class.std::_Rb_tree.94" = type { %"struct.std::_Rb_tree<ngraph::Input<Node>, ngraph::Input<Node>, std::_Identity<ngraph::Input<Node>>, std::less<ngraph::Input<Node>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<ngraph::Input<Node>, ngraph::Input<Node>, std::_Identity<ngraph::Input<Node>>, std::less<ngraph::Input<Node>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK6ngraph6OutputINS_4NodeEE17get_target_inputsEv(ptr dead_on_unwind noalias writable sret(%"class.std::set.93") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6ngraph6OutputINS_4NodeEE7replaceERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #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 %"class.std::set.93", align 8
  %7 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %8 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %12 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 48, ptr %6) #4
  call void @_ZNK6ngraph6OutputINS_4NodeEE17get_target_inputsEv(ptr dead_on_unwind writable sret(%"class.std::set.93") align 8 %6, ptr noundef nonnull align 8 dereferenceable(24) %12)
  store ptr %6, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = call ptr @_ZNKSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %13) #4
  %15 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %7, i32 0, i32 0
  store ptr %14, ptr %15, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = call ptr @_ZNKSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %16) #4
  %18 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %8, i32 0, i32 0
  store ptr %17, ptr %18, align 8
  br label %19

19:                                               ; preds = %27, %2
  %20 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIN6ngraph5InputINS0_4NodeEEEES6_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %20, label %22, label %21

21:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @_ZNSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %33

22:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt23_Rb_tree_const_iteratorIN6ngraph5InputINS0_4NodeEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  store ptr %23, ptr %9, align 8, !tbaa !5
  %24 = load ptr, ptr %9, align 8, !tbaa !5
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  invoke void @_ZNK6ngraph5InputINS_4NodeEE21replace_source_outputERKNS_6OutputIS1_EE(ptr noundef nonnull align 8 dereferenceable(16) %24, ptr noundef nonnull align 8 dereferenceable(24) %25)
          to label %26 unwind label %29

26:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  br label %27

27:                                               ; preds = %26
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIN6ngraph5InputINS0_4NodeEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br label %19

29:                                               ; preds = %22
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %10, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @_ZNSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %34

33:                                               ; preds = %21
  ret void

34:                                               ; preds = %29
  %35 = load ptr, ptr %10, align 8
  %36 = load i32, ptr %11, align 4
  %37 = insertvalue { ptr, i32 } poison, ptr %35, 0
  %38 = insertvalue { ptr, i32 } %37, i32 %36, 1
  resume { ptr, i32 } %38
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIN6ngraph5InputINS0_4NodeEEEES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt23_Rb_tree_const_iteratorIN6ngraph5InputINS0_4NodeEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

declare void @_ZNK6ngraph5InputINS_4NodeEE21replace_source_outputERKNS_6OutputIS1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(24)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIN6ngraph5InputINS0_4NodeEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 #4 = { 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"

%"class.std::set.93" = type { %"class.std::_Rb_tree.94" }
%"class.std::_Rb_tree.94" = type { %"struct.std::_Rb_tree<ngraph::Input<Node>, ngraph::Input<Node>, std::_Identity<ngraph::Input<Node>>, std::less<ngraph::Input<Node>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<ngraph::Input<Node>, ngraph::Input<Node>, std::_Identity<ngraph::Input<Node>>, std::less<ngraph::Input<Node>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK6ngraph6OutputINS_4NodeEE17get_target_inputsEv(ptr dead_on_unwind noalias writable sret(%"class.std::set.93") align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6ngraph6OutputINS_4NodeEE7replaceERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::set.93", align 8
  %4 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %5 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %3) #4
  call void @_ZNK6ngraph6OutputINS_4NodeEE17get_target_inputsEv(ptr dead_on_unwind nonnull writable sret(%"class.std::set.93") align 8 %3, ptr noundef nonnull align 8 dereferenceable(24) %0)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %6 = call ptr @_ZNKSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #4
  store ptr %6, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %7 = call ptr @_ZNKSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #4
  store ptr %7, ptr %5, align 8
  %8 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIN6ngraph5InputINS0_4NodeEEEES6_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %8, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %10, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @_ZNSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #4
  ret void

.lr.ph:                                           ; preds = %2, %10
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt23_Rb_tree_const_iteratorIN6ngraph5InputINS0_4NodeEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  invoke void @_ZNK6ngraph5InputINS_4NodeEE21replace_source_outputERKNS_6OutputIS1_EE(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %10 unwind label %13

10:                                               ; preds = %.lr.ph
  %11 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIN6ngraph5InputINS0_4NodeEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %12 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIN6ngraph5InputINS0_4NodeEEEES6_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %12, label %.lr.ph, label %._crit_edge

13:                                               ; preds = %.lr.ph
  %14 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @_ZNSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #4
  resume { ptr, i32 } %14
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIN6ngraph5InputINS0_4NodeEEESt4lessIS3_ESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIN6ngraph5InputINS0_4NodeEEEES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt23_Rb_tree_const_iteratorIN6ngraph5InputINS0_4NodeEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

declare void @_ZNK6ngraph5InputINS_4NodeEE21replace_source_outputERKNS_6OutputIS1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIN6ngraph5InputINS0_4NodeEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 #4 = { 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