; 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.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] }
%"class.std::allocator.5" = type { i8 }

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; 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
declare dso_local void @_ZN6Assimp3FBX18ParseTokenAsStringB5cxx11ERKNS0_5TokenERPKc(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(36), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6Assimp3FBX18ParseTokenAsStringB5cxx11ERKNS0_5TokenE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(36) %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::allocator.5", align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #4
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN6Assimp3FBX18ParseTokenAsStringB5cxx11ERKNS0_5TokenERPKc(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %7, ptr noundef nonnull align 8 dereferenceable(36) %12, ptr noundef nonnull align 8 dereferenceable(8) %5)
  store ptr %7, ptr %6, align 8, !tbaa !5
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = icmp ne ptr %13, null
  br i1 %14, label %15, label %29

15:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #4
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef %16, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %17 unwind label %20

17:                                               ; preds = %15
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  invoke void @_ZN12_GLOBAL__N_110ParseErrorERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKN6Assimp3FBX5TokenE(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(36) %18) #5
          to label %19 unwind label %24

19:                                               ; preds = %17
  unreachable

20:                                               ; preds = %15
  %21 = landingpad { ptr, i32 }
          cleanup
  %22 = extractvalue { ptr, i32 } %21, 0
  store ptr %22, ptr %10, align 8
  %23 = extractvalue { ptr, i32 } %21, 1
  store i32 %23, ptr %11, align 4
  br label %28

24:                                               ; preds = %17
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %10, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %11, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  br label %28

28:                                               ; preds = %24, %20
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #4
  br label %36

29:                                               ; preds = %2
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %30)
          to label %31 unwind label %32

31:                                               ; preds = %29
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  ret void

32:                                               ; preds = %29
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %10, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %11, align 4
  br label %36

36:                                               ; preds = %32, %28
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %37

37:                                               ; preds = %36
  %38 = load ptr, ptr %10, align 8
  %39 = load i32, ptr %11, align 4
  %40 = insertvalue { ptr, i32 } poison, ptr %38, 0
  %41 = insertvalue { ptr, i32 } %40, i32 %39, 1
  resume { ptr, i32 } %41
}

; Function Attrs: mustprogress noreturn uwtable
declare hidden void @_ZN12_GLOBAL__N_110ParseErrorERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKN6Assimp3FBX5TokenE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(36)) #3

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #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 = { 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 #3 = { mustprogress noreturn 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 = { noreturn }

!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.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] }
%"class.std::allocator.5" = type { i8 }

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; 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
declare dso_local void @_ZN6Assimp3FBX18ParseTokenAsStringB5cxx11ERKNS0_5TokenERPKc(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(36), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6Assimp3FBX18ParseTokenAsStringB5cxx11ERKNS0_5TokenE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(36) %1) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::allocator.5", align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #4
  call void @_ZN6Assimp3FBX18ParseTokenAsStringB5cxx11ERKNS0_5TokenERPKc(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, ptr noundef nonnull align 8 dereferenceable(36) %1, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %.not = icmp eq ptr %7, null
  br i1 %.not, label %16, label %8

8:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull %7, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %9 unwind label %11

9:                                                ; preds = %8
  invoke void @_ZN12_GLOBAL__N_110ParseErrorERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKN6Assimp3FBX5TokenE(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull align 8 dereferenceable(36) %1) #5
          to label %10 unwind label %13

10:                                               ; preds = %9
  unreachable

11:                                               ; preds = %8
  %12 = landingpad { ptr, i32 }
          cleanup
  br label %15

13:                                               ; preds = %9
  %14 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  br label %15

15:                                               ; preds = %13, %11
  %.pn = phi { ptr, i32 } [ %14, %13 ], [ %12, %11 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  br label %20

16:                                               ; preds = %2
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %17 unwind label %18

17:                                               ; preds = %16
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  ret void

18:                                               ; preds = %16
  %19 = landingpad { ptr, i32 }
          cleanup
  br label %20

20:                                               ; preds = %18, %15
  %.pn.pn = phi { ptr, i32 } [ %.pn, %15 ], [ %19, %18 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress noreturn uwtable
declare hidden void @_ZN12_GLOBAL__N_110ParseErrorERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKN6Assimp3FBX5TokenE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(36)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { 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 #3 = { mustprogress noreturn 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 = { noreturn }

!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,SROAPass,SimplifyCFGPass