; LLVM IR from HiroIshida/tinyfk :: urdf_parser/tinyxml/tinyxml.ll (ZN17TiXmlAttributeSet3AddEP14TiXmlAttribute)

; 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 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }
%class.TiXmlAttributeSet = type { %class.TiXmlAttribute }
%class.TiXmlAttribute = type { %class.TiXmlBase, ptr, %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string", ptr, ptr }
%class.TiXmlBase = type { ptr, %struct.TiXmlCursor, ptr }
%struct.TiXmlCursor = type { i32, i32 }

@.str.2 = external hidden unnamed_addr constant [83 x i8], align 1
@.str.51 = external hidden unnamed_addr constant [39 x i8], align 1
@__PRETTY_FUNCTION__._ZN17TiXmlAttributeSet3AddEP14TiXmlAttribute = external hidden unnamed_addr constant [46 x i8], align 1

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

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #2

; 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 #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK17TiXmlAttributeSet4FindERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(112), ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK14TiXmlAttribute4NameEv(ptr noundef nonnull align 8 dereferenceable(112)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN17TiXmlAttributeSet3AddEP14TiXmlAttribute(ptr noundef nonnull align 8 dereferenceable(112) %0, ptr noundef %1) #3 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #4
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = call noundef ptr @_ZNK14TiXmlAttribute4NameEv(ptr noundef nonnull align 8 dereferenceable(112) %10)
  call void @llvm.lifetime.start.p0(i64 1, ptr %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 %11, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %12 unwind label %19

12:                                               ; preds = %2
  %13 = invoke noundef ptr @_ZNK17TiXmlAttributeSet4FindERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(112) %9, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %14 unwind label %23

14:                                               ; preds = %12
  %15 = icmp ne ptr %13, null
  %16 = xor i1 %15, true
  br i1 %16, label %17, label %18

17:                                               ; preds = %14
  br label %28

18:                                               ; preds = %14
  call void @__assert_fail(ptr noundef @.str.51, ptr noundef @.str.2, i32 noundef 1517, ptr noundef @__PRETTY_FUNCTION__._ZN17TiXmlAttributeSet3AddEP14TiXmlAttribute) #5
  unreachable

19:                                               ; preds = %2
  %20 = landingpad { ptr, i32 }
          cleanup
  %21 = extractvalue { ptr, i32 } %20, 0
  store ptr %21, ptr %7, align 8
  %22 = extractvalue { ptr, i32 } %20, 1
  store i32 %22, ptr %8, align 4
  br label %45

23:                                               ; preds = %12
  %24 = landingpad { ptr, i32 }
          cleanup
  %25 = extractvalue { ptr, i32 } %24, 0
  store ptr %25, ptr %7, align 8
  %26 = extractvalue { ptr, i32 } %24, 1
  store i32 %26, ptr %8, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  br label %45

27:                                               ; No predecessors!
  br label %28

28:                                               ; preds = %27, %17
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #4
  %29 = getelementptr inbounds %class.TiXmlAttributeSet, ptr %9, i32 0, i32 0
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = getelementptr inbounds %class.TiXmlAttribute, ptr %30, i32 0, i32 5
  store ptr %29, ptr %31, align 8, !tbaa !9
  %32 = getelementptr inbounds %class.TiXmlAttributeSet, ptr %9, i32 0, i32 0
  %33 = getelementptr inbounds %class.TiXmlAttribute, ptr %32, i32 0, i32 4
  %34 = load ptr, ptr %33, align 8, !tbaa !17
  %35 = load ptr, ptr %4, align 8, !tbaa !5
  %36 = getelementptr inbounds %class.TiXmlAttribute, ptr %35, i32 0, i32 4
  store ptr %34, ptr %36, align 8, !tbaa !19
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = getelementptr inbounds %class.TiXmlAttributeSet, ptr %9, i32 0, i32 0
  %39 = getelementptr inbounds %class.TiXmlAttribute, ptr %38, i32 0, i32 4
  %40 = load ptr, ptr %39, align 8, !tbaa !17
  %41 = getelementptr inbounds %class.TiXmlAttribute, ptr %40, i32 0, i32 5
  store ptr %37, ptr %41, align 8, !tbaa !9
  %42 = load ptr, ptr %4, align 8, !tbaa !5
  %43 = getelementptr inbounds %class.TiXmlAttributeSet, ptr %9, i32 0, i32 0
  %44 = getelementptr inbounds %class.TiXmlAttribute, ptr %43, i32 0, i32 4
  store ptr %42, ptr %44, align 8, !tbaa !17
  ret void

45:                                               ; preds = %23, %19
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #4
  br label %46

46:                                               ; preds = %45
  %47 = load ptr, ptr %7, align 8
  %48 = load i32, ptr %8, align 4
  %49 = insertvalue { ptr, i32 } poison, ptr %47, 0
  %50 = insertvalue { ptr, i32 } %49, i32 %48, 1
  resume { ptr, i32 } %50
}

; 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 = { noreturn 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 #3 = { 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 #4 = { nounwind }
attributes #5 = { noreturn 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 104}
!10 = !{!"_ZTS14TiXmlAttribute", !11, i64 0, !6, i64 24, !14, i64 32, !14, i64 64, !6, i64 96, !6, i64 104}
!11 = !{!"_ZTS9TiXmlBase", !12, i64 8, !6, i64 16}
!12 = !{!"_ZTS11TiXmlCursor", !13, i64 0, !13, i64 4}
!13 = !{!"int", !7, i64 0}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !15, i64 0, !16, i64 8, !7, i64 16}
!15 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = !{!18, !6, i64 96}
!18 = !{!"_ZTS17TiXmlAttributeSet", !10, i64 0}
!19 = !{!10, !6, i64 96}


; 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 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }

@.str.2 = external hidden unnamed_addr constant [83 x i8], align 1
@.str.51 = external hidden unnamed_addr constant [39 x i8], align 1
@__PRETTY_FUNCTION__._ZN17TiXmlAttributeSet3AddEP14TiXmlAttribute = external hidden unnamed_addr constant [46 x i8], align 1

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

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

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #2

; 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 #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK17TiXmlAttributeSet4FindERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(112), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK14TiXmlAttribute4NameEv(ptr noundef nonnull align 8 dereferenceable(112)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN17TiXmlAttributeSet3AddEP14TiXmlAttribute(ptr noundef nonnull align 8 dereferenceable(112) %0, ptr noundef nonnull %1) local_unnamed_addr #3 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #4
  %5 = tail call noundef ptr @_ZNK14TiXmlAttribute4NameEv(ptr noundef nonnull align 8 dereferenceable(112) %1)
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef %5, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %6 unwind label %9

6:                                                ; preds = %2
  %7 = call noundef ptr @_ZNK17TiXmlAttributeSet4FindERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(112) %0, ptr noundef nonnull align 8 dereferenceable(32) %3)
  %.not = icmp eq ptr %7, null
  br i1 %.not, label %11, label %8

8:                                                ; preds = %6
  call void @__assert_fail(ptr noundef nonnull @.str.51, ptr noundef nonnull @.str.2, i32 noundef 1517, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN17TiXmlAttributeSet3AddEP14TiXmlAttribute) #5
  unreachable

9:                                                ; preds = %2
  %10 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  resume { ptr, i32 } %10

11:                                               ; preds = %6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  %12 = getelementptr inbounds i8, ptr %1, i64 104
  store ptr %0, ptr %12, align 8, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %0, i64 96
  %14 = load ptr, ptr %13, align 8, !tbaa !16
  %15 = getelementptr inbounds i8, ptr %1, i64 96
  store ptr %14, ptr %15, align 8, !tbaa !18
  %16 = getelementptr inbounds i8, ptr %14, i64 104
  store ptr %1, ptr %16, align 8, !tbaa !5
  store ptr %1, ptr %13, align 8, !tbaa !16
  ret void
}

; 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 = { noreturn 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 #3 = { 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 #4 = { nounwind }
attributes #5 = { noreturn 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, !12, i64 104}
!6 = !{!"_ZTS14TiXmlAttribute", !7, i64 0, !12, i64 24, !13, i64 32, !13, i64 64, !12, i64 96, !12, i64 104}
!7 = !{!"_ZTS9TiXmlBase", !8, i64 8, !12, i64 16}
!8 = !{!"_ZTS11TiXmlCursor", !9, i64 0, !9, i64 4}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"any pointer", !10, i64 0}
!13 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !14, i64 0, !15, i64 8, !10, i64 16}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !12, i64 0}
!15 = !{!"long", !10, i64 0}
!16 = !{!17, !12, i64 96}
!17 = !{!"_ZTS17TiXmlAttributeSet", !6, i64 0}
!18 = !{!6, !12, i64 96}


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