; LLVM IR from Overload-Technologies/Overload :: Dependencies/assimp/code/Common/Exporter.ll (ZNK6Assimp8Exporter12GetIOHandlerEv)

; 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.Assimp::Exporter" = type { ptr }
%"class.Assimp::ExporterPimpl" = type { ptr, %"class.std::shared_ptr", i8, ptr, i8, %"class.std::vector.11", %"class.std::__cxx11::basic_string", %"class.std::vector.16" }
%"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::vector.11" = type { %"struct.std::_Vector_base.12" }
%"struct.std::_Vector_base.12" = type { %"struct.std::_Vector_base<Assimp::BaseProcess *, std::allocator<Assimp::BaseProcess *>>::_Vector_impl" }
%"struct.std::_Vector_base<Assimp::BaseProcess *, std::allocator<Assimp::BaseProcess *>>::_Vector_impl" = type { %"struct.std::_Vector_base<Assimp::BaseProcess *, std::allocator<Assimp::BaseProcess *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Assimp::BaseProcess *, std::allocator<Assimp::BaseProcess *>>::_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::vector.16" = type { %"struct.std::_Vector_base.17" }
%"struct.std::_Vector_base.17" = type { %"struct.std::_Vector_base<Assimp::Exporter::ExportFormatEntry, std::allocator<Assimp::Exporter::ExportFormatEntry>>::_Vector_impl" }
%"struct.std::_Vector_base<Assimp::Exporter::ExportFormatEntry, std::allocator<Assimp::Exporter::ExportFormatEntry>>::_Vector_impl" = type { %"struct.std::_Vector_base<Assimp::Exporter::ExportFormatEntry, std::allocator<Assimp::Exporter::ExportFormatEntry>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Assimp::Exporter::ExportFormatEntry, std::allocator<Assimp::Exporter::ExportFormatEntry>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [109 x i8], align 1

declare void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef, ptr noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZNK6Assimp8Exporter12GetIOHandlerEv(ptr noundef nonnull align 8 dereferenceable(8) %0) #1 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"class.Assimp::Exporter", ptr %3, i32 0, i32 0
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp ne ptr null, %5
  br i1 %6, label %8, label %7

7:                                                ; preds = %1
  call void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 308)
  br label %8

8:                                                ; preds = %7, %1
  %9 = phi i1 [ true, %1 ], [ false, %7 ]
  %10 = getelementptr inbounds %"class.Assimp::Exporter", ptr %3, i32 0, i32 0
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  %12 = getelementptr inbounds %"class.Assimp::ExporterPimpl", ptr %11, i32 0, i32 1
  %13 = call noundef ptr @_ZNKSt12__shared_ptrIN6Assimp8IOSystemELN9__gnu_cxx12_Lock_policyE2EE3getEv(ptr noundef nonnull align 8 dereferenceable(16) %12) #3
  ret ptr %13
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt12__shared_ptrIN6Assimp8IOSystemELN9__gnu_cxx12_Lock_policyE2EE3getEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

attributes #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 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, !6, i64 0}
!10 = !{!"_ZTSN6Assimp8ExporterE", !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"

@.str = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [109 x i8], align 1

declare void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZNK6Assimp8Exporter12GetIOHandlerEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(8) %0) local_unnamed_addr #1 align 2 {
  %2 = load ptr, ptr %0, align 8, !tbaa !5
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %3, label %4

3:                                                ; preds = %1
  tail call void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 308)
  %.pre = load ptr, ptr %0, align 8, !tbaa !5
  br label %4

4:                                                ; preds = %3, %1
  %5 = phi ptr [ %.pre, %3 ], [ %2, %1 ]
  %6 = getelementptr inbounds i8, ptr %5, i64 8
  %7 = tail call noundef ptr @_ZNKSt12__shared_ptrIN6Assimp8IOSystemELN9__gnu_cxx12_Lock_policyE2EE3getEv(ptr noundef nonnull align 8 dereferenceable(16) %6) #3
  ret ptr %7
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt12__shared_ptrIN6Assimp8IOSystemELN9__gnu_cxx12_Lock_policyE2EE3getEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

attributes #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 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, !7, i64 0}
!6 = !{!"_ZTSN6Assimp8ExporterE", !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass