; LLVM IR from facebookresearch/habitat-sim :: src/deps/tinyxml2/tinyxml2.ll (ZN8tinyxml211XMLDocument9MarkInUseEPNS_7XMLNodeE)

; 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.tinyxml2::XMLDocument" = type { %"class.tinyxml2::XMLNode", i8, i8, i32, i32, %"class.tinyxml2::StrPair", i32, ptr, i32, i32, %"class.tinyxml2::DynArray", %"class.tinyxml2::MemPoolT", %"class.tinyxml2::MemPoolT.1", %"class.tinyxml2::MemPoolT.3", %"class.tinyxml2::MemPoolT.5" }
%"class.tinyxml2::XMLNode" = type { ptr, ptr, ptr, %"class.tinyxml2::StrPair", i32, ptr, ptr, ptr, ptr, ptr, ptr }
%"class.tinyxml2::StrPair" = type { i32, ptr, ptr }
%"class.tinyxml2::DynArray" = type { ptr, [10 x ptr], i32, i32 }
%"class.tinyxml2::MemPoolT" = type { %"class.tinyxml2::MemPool", %"class.tinyxml2::DynArray.0", ptr, i32, i32, i32, i32 }
%"class.tinyxml2::MemPool" = type { ptr }
%"class.tinyxml2::DynArray.0" = type { ptr, [10 x ptr], i32, i32 }
%"class.tinyxml2::MemPoolT.1" = type { %"class.tinyxml2::MemPool", %"class.tinyxml2::DynArray.2", ptr, i32, i32, i32, i32 }
%"class.tinyxml2::DynArray.2" = type { ptr, [10 x ptr], i32, i32 }
%"class.tinyxml2::MemPoolT.3" = type { %"class.tinyxml2::MemPool", %"class.tinyxml2::DynArray.4", ptr, i32, i32, i32, i32 }
%"class.tinyxml2::DynArray.4" = type { ptr, [10 x ptr], i32, i32 }
%"class.tinyxml2::MemPoolT.5" = type { %"class.tinyxml2::MemPool", %"class.tinyxml2::DynArray.6", ptr, i32, i32, i32, i32 }
%"class.tinyxml2::DynArray.6" = type { ptr, [10 x ptr], i32, i32 }

; 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 uwtable
define dso_local void @_ZN8tinyxml211XMLDocument9MarkInUseEPNS_7XMLNodeE(ptr noundef nonnull align 8 dereferenceable(776) %0, ptr noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %8

8:                                                ; preds = %25, %2
  %9 = load i32, ptr %5, align 4, !tbaa !9
  %10 = getelementptr inbounds %"class.tinyxml2::XMLDocument", ptr %7, i32 0, i32 10
  %11 = call noundef i32 @_ZNK8tinyxml28DynArrayIPNS_7XMLNodeELi10EE4SizeEv(ptr noundef nonnull align 8 dereferenceable(96) %10)
  %12 = icmp slt i32 %9, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %8
  store i32 2, ptr %6, align 4
  br label %28

14:                                               ; preds = %8
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %"class.tinyxml2::XMLDocument", ptr %7, i32 0, i32 10
  %17 = load i32, ptr %5, align 4, !tbaa !9
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN8tinyxml28DynArrayIPNS_7XMLNodeELi10EEixEi(ptr noundef nonnull align 8 dereferenceable(96) %16, i32 noundef %17)
  %19 = load ptr, ptr %18, align 8, !tbaa !5
  %20 = icmp eq ptr %15, %19
  br i1 %20, label %21, label %24

21:                                               ; preds = %14
  %22 = getelementptr inbounds %"class.tinyxml2::XMLDocument", ptr %7, i32 0, i32 10
  %23 = load i32, ptr %5, align 4, !tbaa !9
  call void @_ZN8tinyxml28DynArrayIPNS_7XMLNodeELi10EE10SwapRemoveEi(ptr noundef nonnull align 8 dereferenceable(96) %22, i32 noundef %23)
  store i32 2, ptr %6, align 4
  br label %28

24:                                               ; preds = %14
  br label %25

25:                                               ; preds = %24
  %26 = load i32, ptr %5, align 4, !tbaa !9
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %5, align 4, !tbaa !9
  br label %8, !llvm.loop !11

28:                                               ; preds = %21, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %29

29:                                               ; preds = %28
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK8tinyxml28DynArrayIPNS_7XMLNodeELi10EE4SizeEv(ptr noundef nonnull align 8 dereferenceable(96)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN8tinyxml28DynArrayIPNS_7XMLNodeELi10EEixEi(ptr noundef nonnull align 8 dereferenceable(96), i32 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8tinyxml28DynArrayIPNS_7XMLNodeELi10EE10SwapRemoveEi(ptr noundef nonnull align 8 dereferenceable(96), i32 noundef) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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: mustprogress nounwind uwtable
define dso_local void @_ZN8tinyxml211XMLDocument9MarkInUseEPNS_7XMLNodeE(ptr noundef nonnull align 8 dereferenceable(776) %0, ptr noundef readnone %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 168
  %4 = tail call noundef i32 @_ZNK8tinyxml28DynArrayIPNS_7XMLNodeELi10EE4SizeEv(ptr noundef nonnull align 8 dereferenceable(96) %3)
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %2, %10
  %.07 = phi i32 [ %11, %10 ], [ 0, %2 ]
  %6 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZN8tinyxml28DynArrayIPNS_7XMLNodeELi10EEixEi(ptr noundef nonnull align 8 dereferenceable(96) %3, i32 noundef %.07)
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  %8 = icmp eq ptr %7, %1
  br i1 %8, label %9, label %10

9:                                                ; preds = %.lr.ph
  tail call void @_ZN8tinyxml28DynArrayIPNS_7XMLNodeELi10EE10SwapRemoveEi(ptr noundef nonnull align 8 dereferenceable(96) %3, i32 noundef %.07)
  br label %.loopexit

10:                                               ; preds = %.lr.ph
  %11 = add nuw nsw i32 %.07, 1
  %12 = tail call noundef i32 @_ZNK8tinyxml28DynArrayIPNS_7XMLNodeELi10EE4SizeEv(ptr noundef nonnull align 8 dereferenceable(96) %3)
  %13 = icmp slt i32 %11, %12
  br i1 %13, label %.lr.ph, label %.loopexit, !llvm.loop !9

.loopexit:                                        ; preds = %10, %2, %9
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK8tinyxml28DynArrayIPNS_7XMLNodeELi10EE4SizeEv(ptr noundef nonnull align 8 dereferenceable(96)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN8tinyxml28DynArrayIPNS_7XMLNodeELi10EEixEi(ptr noundef nonnull align 8 dereferenceable(96), i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8tinyxml28DynArrayIPNS_7XMLNodeELi10EE10SwapRemoveEi(ptr noundef nonnull align 8 dereferenceable(96), i32 noundef) local_unnamed_addr #0 align 2

attributes #0 = { 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" }

!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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass