; LLVM IR from Xiangyu-Hu/SPHinXsys :: src/shared/tools/tinyxml2.ll (ZN8tinyxml27XMLNode14InsertEndChildEPS0_)

; 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
define dso_local noundef ptr @_ZN8tinyxml27XMLNode14InsertEndChildEPS0_(ptr noundef nonnull align 8 dereferenceable(104) %0, ptr noundef %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8
  br label %7

7:                                                ; preds = %2
  br label %8

8:                                                ; preds = %7
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %9, i32 0, i32 1
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  %12 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %6, i32 0, i32 1
  %13 = load ptr, ptr %12, align 8, !tbaa !9
  %14 = icmp ne ptr %11, %13
  br i1 %14, label %15, label %18

15:                                               ; preds = %8
  br label %16

16:                                               ; preds = %15
  br label %17

17:                                               ; preds = %16
  store ptr null, ptr %3, align 8
  br label %54

18:                                               ; preds = %8
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  call void @_ZNK8tinyxml27XMLNode19InsertChildPreambleEPS0_(ptr noundef nonnull align 8 dereferenceable(104) %6, ptr noundef %19)
  %20 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %6, i32 0, i32 6
  %21 = load ptr, ptr %20, align 8, !tbaa !13
  %22 = icmp ne ptr %21, null
  br i1 %22, label %23, label %40

23:                                               ; preds = %18
  br label %24

24:                                               ; preds = %23
  br label %25

25:                                               ; preds = %24
  br label %26

26:                                               ; preds = %25
  br label %27

27:                                               ; preds = %26
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %6, i32 0, i32 6
  %30 = load ptr, ptr %29, align 8, !tbaa !13
  %31 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %30, i32 0, i32 8
  store ptr %28, ptr %31, align 8, !tbaa !14
  %32 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %6, i32 0, i32 6
  %33 = load ptr, ptr %32, align 8, !tbaa !13
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %34, i32 0, i32 7
  store ptr %33, ptr %35, align 8, !tbaa !15
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %6, i32 0, i32 6
  store ptr %36, ptr %37, align 8, !tbaa !13
  %38 = load ptr, ptr %5, align 8, !tbaa !5
  %39 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %38, i32 0, i32 8
  store ptr null, ptr %39, align 8, !tbaa !14
  br label %50

40:                                               ; preds = %18
  br label %41

41:                                               ; preds = %40
  br label %42

42:                                               ; preds = %41
  %43 = load ptr, ptr %5, align 8, !tbaa !5
  %44 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %6, i32 0, i32 6
  store ptr %43, ptr %44, align 8, !tbaa !13
  %45 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %6, i32 0, i32 5
  store ptr %43, ptr %45, align 8, !tbaa !16
  %46 = load ptr, ptr %5, align 8, !tbaa !5
  %47 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %46, i32 0, i32 7
  store ptr null, ptr %47, align 8, !tbaa !15
  %48 = load ptr, ptr %5, align 8, !tbaa !5
  %49 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %48, i32 0, i32 8
  store ptr null, ptr %49, align 8, !tbaa !14
  br label %50

50:                                               ; preds = %42, %27
  %51 = load ptr, ptr %5, align 8, !tbaa !5
  %52 = getelementptr inbounds %"class.tinyxml2::XMLNode", ptr %51, i32 0, i32 2
  store ptr %6, ptr %52, align 8, !tbaa !17
  %53 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %53, ptr %3, align 8
  br label %54

54:                                               ; preds = %50, %17
  %55 = load ptr, ptr %3, align 8
  ret ptr %55
}

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

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 64}
!14 = !{!10, !6, i64 80}
!15 = !{!10, !6, i64 72}
!16 = !{!10, !6, i64 56}
!17 = !{!10, !6, i64 16}


; 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
define dso_local noundef ptr @_ZN8tinyxml27XMLNode14InsertEndChildEPS0_(ptr noundef nonnull align 8 dereferenceable(104) %0, ptr noundef %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %1, i64 8
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %.not = icmp eq ptr %4, %6
  br i1 %.not, label %7, label %15

7:                                                ; preds = %2
  tail call void @_ZNK8tinyxml27XMLNode19InsertChildPreambleEPS0_(ptr noundef nonnull align 8 dereferenceable(104) %0, ptr noundef nonnull %1)
  %8 = getelementptr inbounds i8, ptr %0, i64 64
  %9 = load ptr, ptr %8, align 8, !tbaa !12
  %.not14 = icmp eq ptr %9, null
  %10 = getelementptr inbounds i8, ptr %0, i64 56
  %11 = getelementptr inbounds i8, ptr %9, i64 80
  %.sink = select i1 %.not14, ptr %10, ptr %11
  store ptr %1, ptr %.sink, align 8, !tbaa !13
  store ptr %1, ptr %8, align 8
  %12 = getelementptr inbounds i8, ptr %1, i64 72
  store ptr %9, ptr %12, align 8
  %13 = getelementptr inbounds i8, ptr %1, i64 80
  store ptr null, ptr %13, align 8
  %14 = getelementptr inbounds i8, ptr %1, i64 16
  store ptr %0, ptr %14, align 8, !tbaa !14
  br label %15

15:                                               ; preds = %2, %7
  %.0 = phi ptr [ %1, %7 ], [ null, %2 ]
  ret ptr %.0
}

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

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 64}
!13 = !{!7, !7, i64 0}
!14 = !{!6, !7, i64 16}


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