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

; 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" = type { ptr }
%"class.Assimp::FBX::Parser" = type <{ ptr, ptr, ptr, ptr, %"class.__gnu_cxx::__normal_iterator", ptr, i8, [7 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: mustprogress nounwind uwtable
define dso_local noundef ptr @_ZN6Assimp3FBX6Parser18AdvanceToNextTokenEv(ptr noundef nonnull align 8 dereferenceable(49) %0) #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %5 = load ptr, ptr %2, align 8
  %6 = getelementptr inbounds %"class.Assimp::FBX::Parser", ptr %5, i32 0, i32 3
  %7 = load ptr, ptr %6, align 8, !tbaa !9
  %8 = getelementptr inbounds %"class.Assimp::FBX::Parser", ptr %5, i32 0, i32 2
  store ptr %7, ptr %8, align 8, !tbaa !13
  %9 = getelementptr inbounds %"class.Assimp::FBX::Parser", ptr %5, i32 0, i32 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %10 = getelementptr inbounds %"class.Assimp::FBX::Parser", ptr %5, i32 0, i32 0
  %11 = load ptr, ptr %10, align 8, !tbaa !14
  %12 = call ptr @_ZNKSt6vectorIPKN6Assimp3FBX5TokenESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #3
  %13 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %3, i32 0, i32 0
  store ptr %12, ptr %13, align 8
  %14 = call noundef zeroext i1 @_ZN9__gnu_cxxeqIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br i1 %14, label %15, label %17

15:                                               ; preds = %1
  %16 = getelementptr inbounds %"class.Assimp::FBX::Parser", ptr %5, i32 0, i32 3
  store ptr null, ptr %16, align 8, !tbaa !9
  br label %24

17:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %18 = getelementptr inbounds %"class.Assimp::FBX::Parser", ptr %5, i32 0, i32 4
  %19 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %18, i32 noundef 0) #3
  %20 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  store ptr %19, ptr %20, align 8
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  %22 = load ptr, ptr %21, align 8, !tbaa !5
  %23 = getelementptr inbounds %"class.Assimp::FBX::Parser", ptr %5, i32 0, i32 3
  store ptr %22, ptr %23, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  br label %24

24:                                               ; preds = %17, %15
  %25 = getelementptr inbounds %"class.Assimp::FBX::Parser", ptr %5, i32 0, i32 3
  %26 = load ptr, ptr %25, align 8, !tbaa !9
  ret ptr %26
}

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxeqIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIPKN6Assimp3FBX5TokenESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEdeEv(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 = { 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 #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, !6, i64 24}
!10 = !{!"_ZTSN6Assimp3FBX6ParserE", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !11, i64 32, !6, i64 40, !12, i64 48}
!11 = !{!"_ZTSN9__gnu_cxx17__normal_iteratorIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEE", !6, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!10, !6, i64 16}
!14 = !{!10, !6, 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"

%"class.__gnu_cxx::__normal_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 nounwind uwtable
define dso_local noundef ptr @_ZN6Assimp3FBX6Parser18AdvanceToNextTokenEv(ptr noundef nonnull align 8 dereferenceable(49) %0) local_unnamed_addr #1 align 2 {
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  store ptr %5, ptr %6, align 8, !tbaa !12
  %7 = getelementptr inbounds i8, ptr %0, i64 32
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  %8 = load ptr, ptr %0, align 8, !tbaa !13
  %9 = tail call ptr @_ZNKSt6vectorIPKN6Assimp3FBX5TokenESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #3
  store ptr %9, ptr %2, align 8
  %10 = call noundef zeroext i1 @_ZN9__gnu_cxxeqIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  br i1 %10, label %15, label %11

11:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %12 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %7, i32 noundef 0) #3
  store ptr %12, ptr %3, align 8
  %13 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %14 = load ptr, ptr %13, align 8, !tbaa !14
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  br label %15

15:                                               ; preds = %1, %11
  %.sink = phi ptr [ %14, %11 ], [ null, %1 ]
  store ptr %.sink, ptr %4, align 8
  ret ptr %.sink
}

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxeqIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(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 ptr @_ZNKSt6vectorIPKN6Assimp3FBX5TokenESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEdeEv(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 = { 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 #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, !7, i64 24}
!6 = !{!"_ZTSN6Assimp3FBX6ParserE", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !10, i64 32, !7, i64 40, !11, i64 48}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSN9__gnu_cxx17__normal_iteratorIPKPKN6Assimp3FBX5TokenESt6vectorIS5_SaIS5_EEEE", !7, i64 0}
!11 = !{!"bool", !8, i64 0}
!12 = !{!6, !7, i64 16}
!13 = !{!6, !7, i64 0}
!14 = !{!7, !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,MergedLoadStoreMotionPass,SROAPass,TailCallElimPass