; LLVM IR from simbody/simbody :: SimTKcommon/src/Xml.ll (ZN5SimTK3Xml7ElementC2ERKNS_6StringES4_)

; 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"

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #1

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #2

declare noundef ptr @_ZN5SimTK9TiXmlNode12LinkEndChildEPS0_(ptr noundef nonnull align 8 dereferenceable(104), ptr noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5SimTK3Xml4NodeC2EPNS_9TiXmlNodeE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5SimTK3Xml4NodeD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5SimTK3Xml7ElementC2ERKNS_6StringES4_(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %2) unnamed_addr #4 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %9 = load ptr, ptr %4, align 8
  %10 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 216) #5
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  invoke void @_ZN5SimTK12TiXmlElementC1ERKNS_6StringE(ptr noundef nonnull align 8 dereferenceable(216) %10, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %12 unwind label %16

12:                                               ; preds = %3
  call void @_ZN5SimTK3Xml4NodeC2EPNS_9TiXmlNodeE(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef %10)
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %13) #6
  br i1 %14, label %15, label %20

15:                                               ; preds = %12
  br label %28

16:                                               ; preds = %3
  %17 = landingpad { ptr, i32 }
          cleanup
  %18 = extractvalue { ptr, i32 } %17, 0
  store ptr %18, ptr %7, align 8
  %19 = extractvalue { ptr, i32 } %17, 1
  store i32 %19, ptr %8, align 4
  call void @_ZdlPvm(ptr noundef %10, i64 noundef 216) #7
  br label %38

20:                                               ; preds = %12
  %21 = invoke noundef nonnull align 8 dereferenceable(216) ptr @_ZN5SimTK3Xml7Element12updTiElementEv(ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %22 unwind label %29

22:                                               ; preds = %20
  %23 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 112) #5
          to label %24 unwind label %29

24:                                               ; preds = %22
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  invoke void @_ZN5SimTK9TiXmlTextC2ERKNS_6StringE(ptr noundef nonnull align 8 dereferenceable(105) %23, ptr noundef nonnull align 8 dereferenceable(32) %25)
          to label %26 unwind label %33

26:                                               ; preds = %24
  %27 = invoke noundef ptr @_ZN5SimTK9TiXmlNode12LinkEndChildEPS0_(ptr noundef nonnull align 8 dereferenceable(104) %21, ptr noundef %23)
          to label %28 unwind label %29

28:                                               ; preds = %26, %15
  ret void

29:                                               ; preds = %26, %22, %20
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %7, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %8, align 4
  br label %37

33:                                               ; preds = %24
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %7, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %8, align 4
  call void @_ZdlPvm(ptr noundef %23, i64 noundef 112) #7
  br label %37

37:                                               ; preds = %33, %29
  call void @_ZN5SimTK3Xml4NodeD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  br label %38

38:                                               ; preds = %37, %16
  %39 = load ptr, ptr %7, align 8
  %40 = load i32, ptr %8, align 4
  %41 = insertvalue { ptr, i32 } poison, ptr %39, 0
  %42 = insertvalue { ptr, i32 } %41, i32 %40, 1
  resume { ptr, i32 } %42
}

declare void @_ZN5SimTK12TiXmlElementC1ERKNS_6StringE(ptr noundef nonnull align 8 dereferenceable(216), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZN5SimTK3Xml7Element12updTiElementEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5SimTK9TiXmlTextC2ERKNS_6StringE(ptr noundef nonnull align 8 dereferenceable(105), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 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" }
attributes #1 = { nobuiltin allocsize(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 = { nobuiltin 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 = { "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 = { 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 #5 = { builtin allocsize(0) }
attributes #6 = { nounwind }
attributes #7 = { builtin 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"}


; 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"

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #2

declare noundef ptr @_ZN5SimTK9TiXmlNode12LinkEndChildEPS0_(ptr noundef nonnull align 8 dereferenceable(104), ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5SimTK3Xml4NodeC2EPNS_9TiXmlNodeE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5SimTK3Xml4NodeD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5SimTK3Xml7ElementC2ERKNS_6StringES4_(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %2) unnamed_addr #4 align 2 personality ptr @__gxx_personality_v0 {
  %4 = tail call noalias noundef nonnull dereferenceable(216) ptr @_Znwm(i64 noundef 216) #5
  invoke void @_ZN5SimTK12TiXmlElementC1ERKNS_6StringE(ptr noundef nonnull align 8 dereferenceable(216) %4, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %5 unwind label %7

5:                                                ; preds = %3
  tail call void @_ZN5SimTK3Xml4NodeC2EPNS_9TiXmlNodeE(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull %4)
  %6 = tail call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  br i1 %6, label %15, label %9

7:                                                ; preds = %3
  %8 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %4, i64 noundef 216) #7
  br label %21

9:                                                ; preds = %5
  %10 = tail call noundef nonnull align 8 dereferenceable(216) ptr @_ZN5SimTK3Xml7Element12updTiElementEv(ptr noundef nonnull align 8 dereferenceable(8) %0)
  %11 = invoke noalias noundef nonnull dereferenceable(112) ptr @_Znwm(i64 noundef 112) #5
          to label %12 unwind label %16

12:                                               ; preds = %9
  invoke void @_ZN5SimTK9TiXmlTextC2ERKNS_6StringE(ptr noundef nonnull align 8 dereferenceable(105) %11, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %13 unwind label %18

13:                                               ; preds = %12
  %14 = invoke noundef ptr @_ZN5SimTK9TiXmlNode12LinkEndChildEPS0_(ptr noundef nonnull align 8 dereferenceable(104) %10, ptr noundef nonnull %11)
          to label %15 unwind label %16

15:                                               ; preds = %5, %13
  ret void

16:                                               ; preds = %13, %9
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %20

18:                                               ; preds = %12
  %19 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %11, i64 noundef 112) #7
  br label %20

20:                                               ; preds = %18, %16
  %.pn = phi { ptr, i32 } [ %17, %16 ], [ %19, %18 ]
  tail call void @_ZN5SimTK3Xml4NodeD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) #6
  br label %21

21:                                               ; preds = %20, %7
  %.pn.pn = phi { ptr, i32 } [ %.pn, %20 ], [ %8, %7 ]
  resume { ptr, i32 } %.pn.pn
}

declare void @_ZN5SimTK12TiXmlElementC1ERKNS_6StringE(ptr noundef nonnull align 8 dereferenceable(216), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZN5SimTK3Xml7Element12updTiElementEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5SimTK9TiXmlTextC2ERKNS_6StringE(ptr noundef nonnull align 8 dereferenceable(105), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 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" }
attributes #1 = { nobuiltin allocsize(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 = { nobuiltin 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 = { "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 = { 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 #5 = { builtin allocsize(0) }
attributes #6 = { nounwind }
attributes #7 = { builtin 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)"}


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