; LLVM IR from simbody/simbody :: SimTKcommon/src/Xml.ll (ZN5SimTK3Xml8DocumentaSERKS1_)

; 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.SimTK::Xml::Document" = type { ptr }

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5SimTK3Xml8Document4Impl20canonicalizeDocumentEv(ptr noundef nonnull align 8 dereferenceable(200)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZNK5SimTK3Xml8Document4Impl5cloneEv(ptr noundef nonnull align 8 dereferenceable(200)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN5SimTK3Xml8DocumentaSERKS1_(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull align 8 dereferenceable(8) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = icmp ne ptr %6, %5
  br i1 %7, label %8, label %28

8:                                                ; preds = %2
  %9 = getelementptr inbounds %"class.SimTK::Xml::Document", ptr %5, i32 0, i32 0
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  %11 = icmp eq ptr %10, null
  br i1 %11, label %13, label %12

12:                                               ; preds = %8
  call void @_ZN5SimTK3Xml8Document4ImplD2Ev(ptr noundef nonnull align 8 dereferenceable(200) %10) #3
  call void @_ZdlPvm(ptr noundef %10, i64 noundef 200) #4
  br label %13

13:                                               ; preds = %12, %8
  %14 = getelementptr inbounds %"class.SimTK::Xml::Document", ptr %5, i32 0, i32 0
  store ptr null, ptr %14, align 8, !tbaa !9
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %"class.SimTK::Xml::Document", ptr %15, i32 0, i32 0
  %17 = load ptr, ptr %16, align 8, !tbaa !9
  %18 = icmp ne ptr %17, null
  br i1 %18, label %19, label %27

19:                                               ; preds = %13
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds %"class.SimTK::Xml::Document", ptr %20, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  %23 = call noundef ptr @_ZNK5SimTK3Xml8Document4Impl5cloneEv(ptr noundef nonnull align 8 dereferenceable(200) %22)
  %24 = getelementptr inbounds %"class.SimTK::Xml::Document", ptr %5, i32 0, i32 0
  store ptr %23, ptr %24, align 8, !tbaa !9
  %25 = getelementptr inbounds %"class.SimTK::Xml::Document", ptr %5, i32 0, i32 0
  %26 = load ptr, ptr %25, align 8, !tbaa !9
  call void @_ZN5SimTK3Xml8Document4Impl20canonicalizeDocumentEv(ptr noundef nonnull align 8 dereferenceable(200) %26)
  br label %27

27:                                               ; preds = %19, %13
  br label %28

28:                                               ; preds = %27, %2
  ret ptr %5
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5SimTK3Xml8Document4ImplD2Ev(ptr noundef nonnull align 8 dereferenceable(200)) 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 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 }
attributes #4 = { 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"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSN5SimTK3Xml8DocumentE", !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"

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5SimTK3Xml8Document4Impl20canonicalizeDocumentEv(ptr noundef nonnull align 8 dereferenceable(200)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZNK5SimTK3Xml8Document4Impl5cloneEv(ptr noundef nonnull align 8 dereferenceable(200)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN5SimTK3Xml8DocumentaSERKS1_(ptr noundef nonnull returned align 8 dereferenceable(8) %0, ptr noundef nonnull readonly align 8 dereferenceable(8) %1) local_unnamed_addr #1 align 2 {
  %.not = icmp eq ptr %1, %0
  br i1 %.not, label %11, label %3

3:                                                ; preds = %2
  %4 = load ptr, ptr %0, align 8, !tbaa !5
  %5 = icmp eq ptr %4, null
  br i1 %5, label %7, label %6

6:                                                ; preds = %3
  tail call void @_ZN5SimTK3Xml8Document4ImplD2Ev(ptr noundef nonnull align 8 dereferenceable(200) %4) #3
  tail call void @_ZdlPvm(ptr noundef nonnull %4, i64 noundef 200) #4
  br label %7

7:                                                ; preds = %6, %3
  store ptr null, ptr %0, align 8, !tbaa !5
  %8 = load ptr, ptr %1, align 8, !tbaa !5
  %.not7 = icmp eq ptr %8, null
  br i1 %.not7, label %11, label %9

9:                                                ; preds = %7
  %10 = tail call noundef ptr @_ZNK5SimTK3Xml8Document4Impl5cloneEv(ptr noundef nonnull align 8 dereferenceable(200) %8)
  store ptr %10, ptr %0, align 8, !tbaa !5
  tail call void @_ZN5SimTK3Xml8Document4Impl20canonicalizeDocumentEv(ptr noundef nonnull align 8 dereferenceable(200) %10)
  br label %11

11:                                               ; preds = %7, %9, %2
  ret ptr %0
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5SimTK3Xml8Document4ImplD2Ev(ptr noundef nonnull align 8 dereferenceable(200)) 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 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 }
attributes #4 = { 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, !7, i64 0}
!6 = !{!"_ZTSN5SimTK3Xml8DocumentE", !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


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