; LLVM IR from HiroIshida/tinyfk :: urdf_parser/tinyxml/tinyxml.ll (ZN9TiXmlNodeC2ENS_8NodeTypeE)

; 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.TiXmlNode = type { %class.TiXmlBase, ptr, i32, ptr, ptr, %"class.std::__cxx11::basic_string", ptr, ptr }
%class.TiXmlBase = type { ptr, %struct.TiXmlCursor, ptr }
%struct.TiXmlCursor = type { i32, i32 }
%"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] }

@_ZTV9TiXmlNode = external dso_local unnamed_addr constant { [21 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9TiXmlNodeC2ENS_8NodeTypeE(ptr noundef nonnull align 8 dereferenceable(104) %0, i32 noundef %1) unnamed_addr #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8
  call void @_ZN9TiXmlBaseC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5)
  store ptr getelementptr inbounds inrange(-16, 152) ({ [21 x ptr] }, ptr @_ZTV9TiXmlNode, i32 0, i32 0, i32 2), ptr %5, align 8, !tbaa !11
  %6 = getelementptr inbounds %class.TiXmlNode, ptr %5, i32 0, i32 5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #2
  %7 = getelementptr inbounds %class.TiXmlNode, ptr %5, i32 0, i32 1
  store ptr null, ptr %7, align 8, !tbaa !13
  %8 = load i32, ptr %4, align 4, !tbaa !9
  %9 = getelementptr inbounds %class.TiXmlNode, ptr %5, i32 0, i32 2
  store i32 %8, ptr %9, align 8, !tbaa !21
  %10 = getelementptr inbounds %class.TiXmlNode, ptr %5, i32 0, i32 3
  store ptr null, ptr %10, align 8, !tbaa !22
  %11 = getelementptr inbounds %class.TiXmlNode, ptr %5, i32 0, i32 4
  store ptr null, ptr %11, align 8, !tbaa !23
  %12 = getelementptr inbounds %class.TiXmlNode, ptr %5, i32 0, i32 6
  store ptr null, ptr %12, align 8, !tbaa !24
  %13 = getelementptr inbounds %class.TiXmlNode, ptr %5, i32 0, i32 7
  store ptr null, ptr %13, align 8, !tbaa !25
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9TiXmlBaseC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 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" }
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 = { 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 = !{!"_ZTSN9TiXmlNode8NodeTypeE", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = !{!14, !6, i64 24}
!14 = !{!"_ZTS9TiXmlNode", !15, i64 0, !6, i64 24, !10, i64 32, !6, i64 40, !6, i64 48, !18, i64 56, !6, i64 88, !6, i64 96}
!15 = !{!"_ZTS9TiXmlBase", !16, i64 8, !6, i64 16}
!16 = !{!"_ZTS11TiXmlCursor", !17, i64 0, !17, i64 4}
!17 = !{!"int", !7, i64 0}
!18 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !19, i64 0, !20, i64 8, !7, i64 16}
!19 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!20 = !{!"long", !7, i64 0}
!21 = !{!14, !10, i64 32}
!22 = !{!14, !6, i64 40}
!23 = !{!14, !6, i64 48}
!24 = !{!14, !6, i64 88}
!25 = !{!14, !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"

@_ZTV9TiXmlNode = external dso_local unnamed_addr constant { [21 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9TiXmlNodeC2ENS_8NodeTypeE(ptr noundef nonnull align 8 dereferenceable(104) %0, i32 noundef %1) unnamed_addr #0 align 2 {
  tail call void @_ZN9TiXmlBaseC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0)
  store ptr getelementptr inbounds inrange(-16, 152) (i8, ptr @_ZTV9TiXmlNode, i64 16), ptr %0, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 56
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  store ptr null, ptr %4, align 8, !tbaa !8
  %5 = getelementptr inbounds i8, ptr %0, i64 32
  store i32 %1, ptr %5, align 8, !tbaa !19
  %6 = getelementptr inbounds i8, ptr %0, i64 40
  %7 = getelementptr inbounds i8, ptr %0, i64 88
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %6, i8 0, i64 16, i1 false)
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %7, i8 0, i64 16, i1 false)
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9TiXmlBaseC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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" }
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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !14, i64 24}
!9 = !{!"_ZTS9TiXmlNode", !10, i64 0, !14, i64 24, !15, i64 32, !14, i64 40, !14, i64 48, !16, i64 56, !14, i64 88, !14, i64 96}
!10 = !{!"_ZTS9TiXmlBase", !11, i64 8, !14, i64 16}
!11 = !{!"_ZTS11TiXmlCursor", !12, i64 0, !12, i64 4}
!12 = !{!"int", !13, i64 0}
!13 = !{!"omnipotent char", !7, i64 0}
!14 = !{!"any pointer", !13, i64 0}
!15 = !{!"_ZTSN9TiXmlNode8NodeTypeE", !13, i64 0}
!16 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !17, i64 0, !18, i64 8, !13, i64 16}
!17 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !14, i64 0}
!18 = !{!"long", !13, i64 0}
!19 = !{!9, !15, i64 32}


; Effective O3 passes: InstCombinePass,MemCpyOptPass,SROAPass,TailCallElimPass