; LLVM IR from niessner/Matterport :: code/gaps/pkgs/R3Graphics/R3SceneReference.ll (ZN16R3SceneReferenceD2Ev)

; 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.R3SceneReference = type { ptr, %class.RNArray, %class.RNSymbolTable, ptr, ptr }
%class.RNArray = type { %class.RNVArray }
%class.RNVArray = type { ptr, i32, i32 }
%class.RNSymbolTable = type { %class.RNMap }
%class.RNMap = type { ptr }

; Function Attrs: nounwind
declare void @_ZN8RNVArrayD2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5RNMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_ED2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN16R3SceneReferenceD2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) unnamed_addr #1 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %class.R3SceneReference, ptr %3, i32 0, i32 3
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %10

7:                                                ; preds = %1
  %8 = getelementptr inbounds %class.R3SceneReference, ptr %3, i32 0, i32 3
  %9 = load ptr, ptr %8, align 8, !tbaa !9
  call void @free(ptr noundef %9) #2
  br label %10

10:                                               ; preds = %7, %1
  %11 = getelementptr inbounds %class.R3SceneReference, ptr %3, i32 0, i32 2
  call void @_ZN5RNMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_ED2Ev(ptr noundef nonnull align 8 dereferenceable(8) %11) #2
  %12 = getelementptr inbounds %class.R3SceneReference, ptr %3, i32 0, i32 1
  call void @_ZN8RNVArrayD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %12) #2
  ret void
}

; Function Attrs: nounwind
declare void @free(ptr noundef) #0

attributes #0 = { 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 #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, !6, i64 32}
!10 = !{!"_ZTS16R3SceneReference", !6, i64 0, !11, i64 8, !14, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"_ZTS7RNArrayIP10R3MaterialE", !12, i64 0}
!12 = !{!"_ZTS8RNVArray", !6, i64 0, !13, i64 8, !13, i64 12}
!13 = !{!"int", !7, i64 0}
!14 = !{!"_ZTS13RNSymbolTableINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE", !15, i64 0}
!15 = !{!"_ZTS5RNMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_E", !6, i64 0}


; 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: nounwind
declare void @_ZN8RNVArrayD2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5RNMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_ED2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN16R3SceneReferenceD2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) unnamed_addr #1 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 32
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %5, label %4

4:                                                ; preds = %1
  tail call void @free(ptr noundef nonnull %3) #3
  br label %5

5:                                                ; preds = %4, %1
  %6 = getelementptr inbounds i8, ptr %0, i64 24
  tail call void @_ZN5RNMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_ED2Ev(ptr noundef nonnull align 8 dereferenceable(8) %6) #3
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @_ZN8RNVArrayD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %7) #3
  ret void
}

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2

attributes #0 = { 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 #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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { 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, !7, i64 32}
!6 = !{!"_ZTS16R3SceneReference", !7, i64 0, !10, i64 8, !13, i64 24, !7, i64 32, !7, i64 40}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTS7RNArrayIP10R3MaterialE", !11, i64 0}
!11 = !{!"_ZTS8RNVArray", !7, i64 0, !12, i64 8, !12, i64 12}
!12 = !{!"int", !8, i64 0}
!13 = !{!"_ZTS13RNSymbolTableINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE", !14, i64 0}
!14 = !{!"_ZTS5RNMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_E", !7, i64 0}


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