; LLVM IR from Xiangyu-Hu/SPHinXsys :: src/shared/tools/tinyxml2.ll (ZN8tinyxml27XMLNode16InsertAfterChildEPS0_S1_)

; 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::XMLNode" = type { ptr, ptr, ptr, %"class.tinyxml2::StrPair", i32, ptr, ptr, ptr, ptr, ptr, ptr }
%"class.tinyxml2::StrPair" = type { i32, ptr, ptr }

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN8tinyxml27XMLNode14InsertEndChildEPS0_(ptr noundef nonnull align 8 dereferenceable(104), ptr noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK8tinyxml27XMLNode19InsertChildPreambleEPS0_(ptr noundef nonnull align 8 dereferenceable(104), ptr noundef) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN8tinyxml27XMLNode16InsertAfterChildEPS0_S1_(ptr noundef nonnull align 8 dereferenceable(104) %0, ptr noundef %1, ptr noundef %2) #0 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  %8 = load ptr, ptr %5, align 8
  br label %9

9:                                                ; preds = %3
  br label %10

10:                                               ; preds = %9
  %11 = load ptr, ptr %7, align 8, !tbaa !5
  %12 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %11, i32 0, i32 1
  %13 = load ptr, ptr %12, align 8, !tbaa !9
  %14 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %8, i32 0, i32 1
  %15 = load ptr, ptr %14, align 8, !tbaa !9
  %16 = icmp ne ptr %13, %15
  br i1 %16, label %17, label %20

17:                                               ; preds = %10
  br label %18

18:                                               ; preds = %17
  br label %19

19:                                               ; preds = %18
  store ptr null, ptr %4, align 8
  br label %65

20:                                               ; preds = %10
  br label %21

21:                                               ; preds = %20
  br label %22

22:                                               ; preds = %21
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %23, i32 0, i32 2
  %25 = load ptr, ptr %24, align 8, !tbaa !13
  %26 = icmp ne ptr %25, %8
  br i1 %26, label %27, label %30

27:                                               ; preds = %22
  br label %28

28:                                               ; preds = %27
  br label %29

29:                                               ; preds = %28
  store ptr null, ptr %4, align 8
  br label %65

30:                                               ; preds = %22
  %31 = load ptr, ptr %6, align 8, !tbaa !5
  %32 = load ptr, ptr %7, align 8, !tbaa !5
  %33 = icmp eq ptr %31, %32
  br i1 %33, label %34, label %36

34:                                               ; preds = %30
  %35 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %35, ptr %4, align 8
  br label %65

36:                                               ; preds = %30
  %37 = load ptr, ptr %6, align 8, !tbaa !5
  %38 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %37, i32 0, i32 8
  %39 = load ptr, ptr %38, align 8, !tbaa !14
  %40 = icmp eq ptr %39, null
  br i1 %40, label %41, label %44

41:                                               ; preds = %36
  %42 = load ptr, ptr %7, align 8, !tbaa !5
  %43 = call noundef ptr @_ZN8tinyxml27XMLNode14InsertEndChildEPS0_(ptr noundef nonnull align 8 dereferenceable(104) %8, ptr noundef %42)
  store ptr %43, ptr %4, align 8
  br label %65

44:                                               ; preds = %36
  %45 = load ptr, ptr %7, align 8, !tbaa !5
  call void @_ZNK8tinyxml27XMLNode19InsertChildPreambleEPS0_(ptr noundef nonnull align 8 dereferenceable(104) %8, ptr noundef %45)
  %46 = load ptr, ptr %6, align 8, !tbaa !5
  %47 = load ptr, ptr %7, align 8, !tbaa !5
  %48 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %47, i32 0, i32 7
  store ptr %46, ptr %48, align 8, !tbaa !15
  %49 = load ptr, ptr %6, align 8, !tbaa !5
  %50 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %49, i32 0, i32 8
  %51 = load ptr, ptr %50, align 8, !tbaa !14
  %52 = load ptr, ptr %7, align 8, !tbaa !5
  %53 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %52, i32 0, i32 8
  store ptr %51, ptr %53, align 8, !tbaa !14
  %54 = load ptr, ptr %7, align 8, !tbaa !5
  %55 = load ptr, ptr %6, align 8, !tbaa !5
  %56 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %55, i32 0, i32 8
  %57 = load ptr, ptr %56, align 8, !tbaa !14
  %58 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %57, i32 0, i32 7
  store ptr %54, ptr %58, align 8, !tbaa !15
  %59 = load ptr, ptr %7, align 8, !tbaa !5
  %60 = load ptr, ptr %6, align 8, !tbaa !5
  %61 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %60, i32 0, i32 8
  store ptr %59, ptr %61, align 8, !tbaa !14
  %62 = load ptr, ptr %7, align 8, !tbaa !5
  %63 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %62, i32 0, i32 2
  store ptr %8, ptr %63, align 8, !tbaa !13
  %64 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %64, ptr %4, align 8
  br label %65

65:                                               ; preds = %44, %41, %34, %29, %19
  %66 = load ptr, ptr %4, align 8
  ret ptr %66
}

attributes #0 = { 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" }

!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 8}
!10 = !{!"_ZTSN8tinyxml27XMLNodeE", !6, i64 8, !6, i64 16, !11, i64 24, !12, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !6, i64 88, !6, i64 96}
!11 = !{!"_ZTSN8tinyxml27StrPairE", !12, i64 0, !6, i64 8, !6, i64 16}
!12 = !{!"int", !7, i64 0}
!13 = !{!10, !6, i64 16}
!14 = !{!10, !6, i64 80}
!15 = !{!10, !6, i64 72}


; 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 uwtable
declare dso_local noundef ptr @_ZN8tinyxml27XMLNode14InsertEndChildEPS0_(ptr noundef nonnull align 8 dereferenceable(104), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK8tinyxml27XMLNode19InsertChildPreambleEPS0_(ptr noundef nonnull align 8 dereferenceable(104), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN8tinyxml27XMLNode16InsertAfterChildEPS0_S1_(ptr noundef nonnull align 8 dereferenceable(104) %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #0 align 2 {
  %4 = getelementptr inbounds i8, ptr %2, i64 8
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  %.not = icmp eq ptr %5, %7
  br i1 %.not, label %8, label %25

8:                                                ; preds = %3
  %9 = getelementptr inbounds i8, ptr %1, i64 16
  %10 = load ptr, ptr %9, align 8, !tbaa !12
  %.not23 = icmp eq ptr %10, %0
  br i1 %.not23, label %11, label %25

11:                                               ; preds = %8
  %12 = icmp eq ptr %1, %2
  br i1 %12, label %25, label %13

13:                                               ; preds = %11
  %14 = getelementptr inbounds i8, ptr %1, i64 80
  %15 = load ptr, ptr %14, align 8, !tbaa !13
  %16 = icmp eq ptr %15, null
  br i1 %16, label %17, label %19

17:                                               ; preds = %13
  %18 = tail call noundef ptr @_ZN8tinyxml27XMLNode14InsertEndChildEPS0_(ptr noundef nonnull align 8 dereferenceable(104) %0, ptr noundef nonnull %2)
  br label %25

19:                                               ; preds = %13
  tail call void @_ZNK8tinyxml27XMLNode19InsertChildPreambleEPS0_(ptr noundef nonnull align 8 dereferenceable(104) %0, ptr noundef nonnull %2)
  %20 = getelementptr inbounds i8, ptr %2, i64 72
  store ptr %1, ptr %20, align 8, !tbaa !14
  %21 = load ptr, ptr %14, align 8, !tbaa !13
  %22 = getelementptr inbounds i8, ptr %2, i64 80
  store ptr %21, ptr %22, align 8, !tbaa !13
  %23 = getelementptr inbounds i8, ptr %21, i64 72
  store ptr %2, ptr %23, align 8, !tbaa !14
  store ptr %2, ptr %14, align 8, !tbaa !13
  %24 = getelementptr inbounds i8, ptr %2, i64 16
  store ptr %0, ptr %24, align 8, !tbaa !12
  br label %25

25:                                               ; preds = %11, %8, %3, %19, %17
  %.0 = phi ptr [ %18, %17 ], [ %2, %19 ], [ null, %3 ], [ null, %8 ], [ %2, %11 ]
  ret ptr %.0
}

attributes #0 = { 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" }

!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 8}
!6 = !{!"_ZTSN8tinyxml27XMLNodeE", !7, i64 8, !7, i64 16, !10, i64 24, !11, i64 48, !7, i64 56, !7, i64 64, !7, i64 72, !7, i64 80, !7, i64 88, !7, i64 96}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSN8tinyxml27StrPairE", !11, i64 0, !7, i64 8, !7, i64 16}
!11 = !{!"int", !8, i64 0}
!12 = !{!6, !7, i64 16}
!13 = !{!6, !7, i64 80}
!14 = !{!6, !7, i64 72}


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