; LLVM IR from apache/mxnet :: src/lib_api.ll (ZN5mxnet3ext5GraphD2Ev)

; 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.__gnu_cxx::__normal_iterator.58" = type { ptr }
%"class.mxnet::ext::Graph" = type { %"class.std::vector.47", %"class.std::vector.23", %"class.std::map.52", %"class.std::vector.47", ptr }
%"class.std::vector.23" = type { %"struct.std::_Vector_base.24" }
%"struct.std::_Vector_base.24" = type { %"struct.std::_Vector_base<mxnet::ext::NodeEntry, std::allocator<mxnet::ext::NodeEntry>>::_Vector_impl" }
%"struct.std::_Vector_base<mxnet::ext::NodeEntry, std::allocator<mxnet::ext::NodeEntry>>::_Vector_impl" = type { %"struct.std::_Vector_base<mxnet::ext::NodeEntry, std::allocator<mxnet::ext::NodeEntry>>::_Vector_impl_data" }
%"struct.std::_Vector_base<mxnet::ext::NodeEntry, std::allocator<mxnet::ext::NodeEntry>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::map.52" = type { %"class.std::_Rb_tree.53" }
%"class.std::_Rb_tree.53" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, mxnet::ext::JsonVal>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, mxnet::ext::JsonVal>>, 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>, mxnet::ext::JsonVal>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, mxnet::ext::JsonVal>>, std::less<std::__cxx11::basic_string<char>>>::_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::vector.47" = type { %"struct.std::_Vector_base.48" }
%"struct.std::_Vector_base.48" = type { %"struct.std::_Vector_base<mxnet::ext::Node *, std::allocator<mxnet::ext::Node *>>::_Vector_impl" }
%"struct.std::_Vector_base<mxnet::ext::Node *, std::allocator<mxnet::ext::Node *>>::_Vector_impl" = type { %"struct.std::_Vector_base<mxnet::ext::Node *, std::allocator<mxnet::ext::Node *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<mxnet::ext::Node *, std::allocator<mxnet::ext::Node *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #0

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

; 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
define dso_local void @_ZN5mxnet3ext5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(128) %0) unnamed_addr #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator.58", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator.58", align 8
  %6 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %8 = getelementptr inbounds %"class.mxnet::ext::Graph", ptr %7, i32 0, i32 3
  store ptr %8, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = call ptr @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  %11 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.58", ptr %4, i32 0, i32 0
  store ptr %10, ptr %11, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = call ptr @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  %14 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.58", ptr %5, i32 0, i32 0
  store ptr %13, ptr %14, align 8
  br label %15

15:                                               ; preds = %25, %1
  %16 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN5mxnet3ext4NodeESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %16, label %18, label %17

17:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %27

18:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN5mxnet3ext4NodeESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  store ptr %19, ptr %6, align 8, !tbaa !5
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = load ptr, ptr %20, align 8, !tbaa !5
  %22 = icmp eq ptr %21, null
  br i1 %22, label %24, label %23

23:                                               ; preds = %18
  call void @_ZN5mxnet3ext4NodeD2Ev(ptr noundef nonnull align 8 dereferenceable(208) %21) #4
  call void @_ZdlPvm(ptr noundef %21, i64 noundef 208) #5
  br label %24

24:                                               ; preds = %23, %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %25

25:                                               ; preds = %24
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN5mxnet3ext4NodeESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br label %15

27:                                               ; preds = %17
  %28 = getelementptr inbounds %"class.mxnet::ext::Graph", ptr %7, i32 0, i32 3
  call void @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %28) #4
  %29 = getelementptr inbounds %"class.mxnet::ext::Graph", ptr %7, i32 0, i32 2
  call void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN5mxnet3ext7JsonValESt4lessIS5_ESaISt4pairIKS5_S8_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %29) #4
  %30 = getelementptr inbounds %"class.mxnet::ext::Graph", ptr %7, i32 0, i32 1
  call void @_ZNSt6vectorIN5mxnet3ext9NodeEntryESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %30) #4
  %31 = getelementptr inbounds %"class.mxnet::ext::Graph", ptr %7, i32 0, i32 0
  call void @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %31) #4
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPN5mxnet3ext4NodeESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN5mxnet3ext4NodeESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5mxnet3ext4NodeD2Ev(ptr noundef nonnull align 8 dereferenceable(208)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN5mxnet3ext4NodeESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN5mxnet3ext7JsonValESt4lessIS5_ESaISt4pairIKS5_S8_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN5mxnet3ext9NodeEntryESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

attributes #0 = { 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 #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 = { inlinehint 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 #4 = { nounwind }
attributes #5 = { builtin 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.__gnu_cxx::__normal_iterator.58" = type { ptr }

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #0

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

; 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
define dso_local void @_ZN5mxnet3ext5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(128) %0) unnamed_addr #2 align 2 {
  %2 = alloca %"class.__gnu_cxx::__normal_iterator.58", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator.58", align 8
  %4 = getelementptr inbounds i8, ptr %0, i64 96
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %5 = tail call ptr @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  store ptr %5, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %6 = tail call ptr @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  store ptr %6, ptr %3, align 8
  %7 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN5mxnet3ext4NodeESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  br i1 %7, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %14, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  call void @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  %8 = getelementptr inbounds i8, ptr %0, i64 48
  call void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN5mxnet3ext7JsonValESt4lessIS5_ESaISt4pairIKS5_S8_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %8) #4
  %9 = getelementptr inbounds i8, ptr %0, i64 24
  call void @_ZNSt6vectorIN5mxnet3ext9NodeEntryESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  call void @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  ret void

.lr.ph:                                           ; preds = %1, %14
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN5mxnet3ext4NodeESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  %11 = load ptr, ptr %10, align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %14, label %13

13:                                               ; preds = %.lr.ph
  call void @_ZN5mxnet3ext4NodeD2Ev(ptr noundef nonnull align 8 dereferenceable(208) %11) #4
  call void @_ZdlPvm(ptr noundef nonnull %11, i64 noundef 208) #5
  br label %14

14:                                               ; preds = %13, %.lr.ph
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN5mxnet3ext4NodeESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  %16 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN5mxnet3ext4NodeESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  br i1 %16, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPN5mxnet3ext4NodeESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN5mxnet3ext4NodeESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5mxnet3ext4NodeD2Ev(ptr noundef nonnull align 8 dereferenceable(208)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN5mxnet3ext4NodeESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN5mxnet3ext4NodeESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN5mxnet3ext7JsonValESt4lessIS5_ESaISt4pairIKS5_S8_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN5mxnet3ext9NodeEntryESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

attributes #0 = { 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 #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 = { inlinehint 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 #4 = { nounwind }
attributes #5 = { builtin 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"}


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