; LLVM IR from NervanaSystems/ngraph :: src/ngraph/node.ll (ZN6ngraph4Node20get_input_descriptorEm)

; 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.ngraph::Node" = type { ptr, %"class.std::enable_shared_from_this", %"class.std::unordered_set", %"class.std::unordered_set", %"class.std::vector", %"class.std::vector.5", %"class.std::__cxx11::basic_string", i64, %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string", %"class.std::unordered_set.13", %"class.std::set", %"class.std::deque", %"class.std::deque.39", %"class.std::unordered_map", i32, %"class.std::shared_ptr", %"class.std::map" }
%"class.std::enable_shared_from_this" = type { %"class.std::weak_ptr" }
%"class.std::weak_ptr" = type { %"class.std::__weak_ptr" }
%"class.std::__weak_ptr" = type { ptr, %"class.std::__weak_count" }
%"class.std::__weak_count" = type { ptr }
%"class.std::unordered_set" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<ngraph::Node *, std::allocator<ngraph::Node *>>::_Vector_impl" }
%"struct.std::_Vector_base<ngraph::Node *, std::allocator<ngraph::Node *>>::_Vector_impl" = type { %"struct.std::_Vector_base<ngraph::Node *, std::allocator<ngraph::Node *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<ngraph::Node *, std::allocator<ngraph::Node *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<std::shared_ptr<ngraph::Node>, std::allocator<std::shared_ptr<ngraph::Node>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::shared_ptr<ngraph::Node>, std::allocator<std::shared_ptr<ngraph::Node>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::shared_ptr<ngraph::Node>, std::allocator<std::shared_ptr<ngraph::Node>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::shared_ptr<ngraph::Node>, std::allocator<std::shared_ptr<ngraph::Node>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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::unordered_set.13" = type { %"class.std::_Hashtable.14" }
%"class.std::_Hashtable.14" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::shared_ptr<ngraph::Node>, std::shared_ptr<ngraph::Node>, std::_Identity<std::shared_ptr<ngraph::Node>>, std::less<std::shared_ptr<ngraph::Node>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::shared_ptr<ngraph::Node>, std::shared_ptr<ngraph::Node>, std::_Identity<std::shared_ptr<ngraph::Node>>, std::less<std::shared_ptr<ngraph::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 }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<ngraph::descriptor::Input, std::allocator<ngraph::descriptor::Input>>::_Deque_impl" }
%"struct.std::_Deque_base<ngraph::descriptor::Input, std::allocator<ngraph::descriptor::Input>>::_Deque_impl" = type { %"struct.std::_Deque_base<ngraph::descriptor::Input, std::allocator<ngraph::descriptor::Input>>::_Deque_impl_data" }
%"struct.std::_Deque_base<ngraph::descriptor::Input, std::allocator<ngraph::descriptor::Input>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.std::deque.39" = type { %"class.std::_Deque_base.40" }
%"class.std::_Deque_base.40" = type { %"struct.std::_Deque_base<ngraph::descriptor::Output, std::allocator<ngraph::descriptor::Output>>::_Deque_impl" }
%"struct.std::_Deque_base<ngraph::descriptor::Output, std::allocator<ngraph::descriptor::Output>>::_Deque_impl" = type { %"struct.std::_Deque_base<ngraph::descriptor::Output, std::allocator<ngraph::descriptor::Output>>::_Deque_impl_data" }
%"struct.std::_Deque_base<ngraph::descriptor::Output, std::allocator<ngraph::descriptor::Output>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator.44", %"struct.std::_Deque_iterator.44" }
%"struct.std::_Deque_iterator.44" = type { ptr, ptr, ptr, ptr }
%"class.std::unordered_map" = type { %"class.std::_Hashtable.45" }
%"class.std::_Hashtable.45" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"class.std::map" = type { %"class.std::_Rb_tree.64" }
%"class.std::_Rb_tree.64" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::shared_ptr<ngraph::Variant>>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::shared_ptr<ngraph::Variant>>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::shared_ptr<ngraph::Variant>>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::shared_ptr<ngraph::Variant>>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }

; 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 uwtable
define dso_local noundef nonnull align 8 dereferenceable(42) ptr @_ZN6ngraph4Node20get_input_descriptorEm(ptr noundef nonnull align 8 dereferenceable(680) %0, i64 noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !9
  %7 = load ptr, ptr %3, align 8
  br label %8

8:                                                ; preds = %13, %2
  %9 = getelementptr inbounds %"class.ngraph::Node", ptr %7, i32 0, i32 12
  %10 = call noundef i64 @_ZNKSt5dequeIN6ngraph10descriptor5InputESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %9) #3
  %11 = load i64, ptr %4, align 8, !tbaa !9
  %12 = icmp ule i64 %10, %11
  br i1 %12, label %13, label %18

13:                                               ; preds = %8
  %14 = getelementptr inbounds %"class.ngraph::Node", ptr %7, i32 0, i32 12
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store ptr %7, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %15 = getelementptr inbounds %"class.ngraph::Node", ptr %7, i32 0, i32 12
  %16 = call noundef i64 @_ZNKSt5dequeIN6ngraph10descriptor5InputESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %15) #3
  store i64 %16, ptr %6, align 8, !tbaa !9
  %17 = call noundef nonnull align 8 dereferenceable(42) ptr @_ZNSt5dequeIN6ngraph10descriptor5InputESaIS2_EE12emplace_backIJPNS0_4NodeEmEEERS2_DpOT_(ptr noundef nonnull align 8 dereferenceable(80) %14, ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6)
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %8, !llvm.loop !11

18:                                               ; preds = %8
  %19 = getelementptr inbounds %"class.ngraph::Node", ptr %7, i32 0, i32 12
  %20 = load i64, ptr %4, align 8, !tbaa !9
  %21 = call noundef nonnull align 8 dereferenceable(42) ptr @_ZNSt5dequeIN6ngraph10descriptor5InputESaIS2_EE2atEm(ptr noundef nonnull align 8 dereferenceable(80) %19, i64 noundef %20)
  ret ptr %21
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt5dequeIN6ngraph10descriptor5InputESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(42) ptr @_ZNSt5dequeIN6ngraph10descriptor5InputESaIS2_EE12emplace_backIJPNS0_4NodeEmEEERS2_DpOT_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(42) ptr @_ZNSt5dequeIN6ngraph10descriptor5InputESaIS2_EE2atEm(ptr noundef nonnull align 8 dereferenceable(80), i64 noundef) #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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"

; 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 uwtable
define dso_local noundef nonnull align 8 dereferenceable(42) ptr @_ZN6ngraph4Node20get_input_descriptorEm(ptr noundef nonnull align 8 dereferenceable(680) %0, i64 noundef %1) local_unnamed_addr #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = getelementptr inbounds i8, ptr %0, i64 392
  %6 = tail call noundef i64 @_ZNKSt5dequeIN6ngraph10descriptor5InputESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %5) #3
  %.not2 = icmp ugt i64 %6, %1
  br i1 %.not2, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %7 = call noundef i64 @_ZNKSt5dequeIN6ngraph10descriptor5InputESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %5) #3
  store i64 %7, ptr %4, align 8, !tbaa !9
  %8 = call noundef nonnull align 8 dereferenceable(42) ptr @_ZNSt5dequeIN6ngraph10descriptor5InputESaIS2_EE12emplace_backIJPNS0_4NodeEmEEERS2_DpOT_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  %9 = call noundef i64 @_ZNKSt5dequeIN6ngraph10descriptor5InputESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %5) #3
  %.not = icmp ugt i64 %9, %1
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph, %2
  %10 = call noundef nonnull align 8 dereferenceable(42) ptr @_ZNSt5dequeIN6ngraph10descriptor5InputESaIS2_EE2atEm(ptr noundef nonnull align 8 dereferenceable(80) %5, i64 noundef %1)
  ret ptr %10
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt5dequeIN6ngraph10descriptor5InputESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(42) ptr @_ZNSt5dequeIN6ngraph10descriptor5InputESaIS2_EE12emplace_backIJPNS0_4NodeEmEEERS2_DpOT_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(42) ptr @_ZNSt5dequeIN6ngraph10descriptor5InputESaIS2_EE2atEm(ptr noundef nonnull align 8 dereferenceable(80), i64 noundef) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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