; LLVM IR from Overload-Technologies/Overload :: Dependencies/assimp/code/AssetLib/FBX/FBXParser.ll (ZN6Assimp3FBX5ScopeD2Ev)

; 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::_Rb_tree_iterator" = type { ptr }
%"class.Assimp::FBX::Scope" = type { %"class.std::multimap" }
%"class.std::multimap" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, Assimp::FBX::Element *>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, Assimp::FBX::Element *>>, 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>, Assimp::FBX::Element *>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, Assimp::FBX::Element *>>, 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 }
%"struct.std::pair" = type { %"class.std::__cxx11::basic_string", ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon.8 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.8 = type { i64, [8 x i8] }

; 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 void @_ZNSt8multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementESt4lessIS5_ESaISt4pairIKS5_S9_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6Assimp3FBX5ScopeD2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) unnamed_addr #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %5 = alloca %"struct.std::_Rb_tree_iterator", 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) #2
  %8 = getelementptr inbounds %"class.Assimp::FBX::Scope", ptr %7, i32 0, i32 0
  store ptr %8, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #2
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = call ptr @_ZNSt8multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementESt4lessIS5_ESaISt4pairIKS5_S9_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %9) #2
  %11 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %4, i32 0, i32 0
  store ptr %10, ptr %11, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = call ptr @_ZNSt8multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementESt4lessIS5_ESaISt4pairIKS5_S9_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %12) #2
  %14 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %5, i32 0, i32 0
  store ptr %13, ptr %14, align 8
  br label %15

15:                                               ; preds = %23, %1
  %16 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEEESF_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #2
  br i1 %16, label %18, label %17

17:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #2
  br label %25

18:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %19 = call noundef nonnull align 8 dereferenceable(40) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #2
  store ptr %19, ptr %6, align 8, !tbaa !5
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = getelementptr inbounds %"struct.std::pair", ptr %20, i32 0, i32 1
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  call void @_ZN6Assimp3FBX7ElementD1Ev(ptr noundef nonnull align 8 dereferenceable(40) %22) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  br label %23

23:                                               ; preds = %18
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #2
  br label %15

25:                                               ; preds = %17
  %26 = getelementptr inbounds %"class.Assimp::FBX::Scope", ptr %7, i32 0, i32 0
  call void @_ZNSt8multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementESt4lessIS5_ESaISt4pairIKS5_S9_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %26) #2
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt8multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementESt4lessIS5_ESaISt4pairIKS5_S9_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt8multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementESt4lessIS5_ESaISt4pairIKS5_S9_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEEESF_(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(40) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEEEdeEv(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 @_ZNSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

declare void @_ZN6Assimp3FBX7ElementD1Ev(ptr)

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 = { 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, !6, i64 32}
!10 = !{!"_ZTSSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEE", !11, i64 0, !6, i64 32}
!11 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !12, i64 0, !13, i64 8, !7, i64 16}
!12 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!13 = !{!"long", !7, i64 0}


; 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::_Rb_tree_iterator" = 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 void @_ZNSt8multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementESt4lessIS5_ESaISt4pairIKS5_S9_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6Assimp3FBX5ScopeD2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) unnamed_addr #1 align 2 {
  %2 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %3 = alloca %"struct.std::_Rb_tree_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #2
  %4 = tail call ptr @_ZNSt8multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementESt4lessIS5_ESaISt4pairIKS5_S9_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %0) #2
  store ptr %4, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #2
  %5 = tail call ptr @_ZNSt8multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementESt4lessIS5_ESaISt4pairIKS5_S9_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %0) #2
  store ptr %5, ptr %3, align 8
  %6 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEEESF_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #2
  br i1 %6, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #2
  call void @_ZNSt8multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementESt4lessIS5_ESaISt4pairIKS5_S9_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) #2
  ret void

.lr.ph:                                           ; preds = %1, %.lr.ph
  %7 = call noundef nonnull align 8 dereferenceable(40) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #2
  %8 = getelementptr inbounds i8, ptr %7, i64 32
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  call void @_ZN6Assimp3FBX7ElementD1Ev(ptr noundef nonnull align 8 dereferenceable(40) %9) #2
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #2
  %11 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEEESF_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #2
  br i1 %11, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt8multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementESt4lessIS5_ESaISt4pairIKS5_S9_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt8multimapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementESt4lessIS5_ESaISt4pairIKS5_S9_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEEESF_(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(40) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEEEdeEv(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 @_ZNSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

declare void @_ZN6Assimp3FBX7ElementD1Ev(ptr) local_unnamed_addr

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 = { 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, !9, i64 32}
!6 = !{!"_ZTSSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN6Assimp3FBX7ElementEE", !7, i64 0, !9, i64 32}
!7 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !8, i64 0, !12, i64 8, !10, i64 16}
!8 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !9, i64 0}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"long", !10, i64 0}


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