; LLVM IR from ThePhysicsGuys/Physics3D :: Physics3D/geometry/shape.ll (ZNK3P3D5Shape10getInertiaEv)

; 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.P3D::SymmetricMatrix" = type { [6 x double] }
%"class.P3D::DiagonalMatrix" = type { [3 x double] }
%"class.P3D::Shape" = type { %"class.P3D::intrusive_ptr", %"class.P3D::DiagonalMatrix" }
%"class.P3D::intrusive_ptr" = type { ptr }
%"class.P3D::ShapeClass" = type { %"struct.P3D::GenericCollidable", %"struct.std::atomic", i64, double, %"struct.P3D::Vector", %"class.P3D::ScalableInertialMatrix" }
%"struct.P3D::GenericCollidable" = type { ptr }
%"struct.std::atomic" = type { %"struct.std::__atomic_base" }
%"struct.std::__atomic_base" = type { i64 }
%"struct.P3D::Vector" = type { %union.anon }
%union.anon = type { [3 x double] }
%"class.P3D::ScalableInertialMatrix" = type { %"struct.P3D::Vector", %"struct.P3D::Vector" }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK3P3D13intrusive_ptrIKNS_10ShapeClassEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3P3D5Shape10getInertiaEv(ptr dead_on_unwind noalias writable sret(%"class.P3D::SymmetricMatrix") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca %"class.P3D::DiagonalMatrix", align 8
  store ptr %1, ptr %3, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  %6 = getelementptr inbounds %"class.P3D::Shape", ptr %5, i32 0, i32 0
  %7 = call noundef ptr @_ZNK3P3D13intrusive_ptrIKNS_10ShapeClassEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #3
  %8 = getelementptr inbounds %"class.P3D::ShapeClass", ptr %7, i32 0, i32 5
  %9 = getelementptr inbounds %"class.P3D::Shape", ptr %5, i32 0, i32 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %4, ptr align 8 %9, i64 24, i1 false), !tbaa.struct !9
  call void @_ZNK3P3D22ScalableInertialMatrix8toMatrixENS_14DiagonalMatrixIdLm3EEE(ptr dead_on_unwind writable sret(%"class.P3D::SymmetricMatrix") align 8 %0, ptr noundef nonnull align 8 dereferenceable(48) %8, ptr noundef byval(%"class.P3D::DiagonalMatrix") align 8 %4)
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK3P3D22ScalableInertialMatrix8toMatrixENS_14DiagonalMatrixIdLm3EEE(ptr dead_on_unwind noalias writable sret(%"class.P3D::SymmetricMatrix") align 8, ptr noundef nonnull align 8 dereferenceable(48), ptr noundef byval(%"class.P3D::DiagonalMatrix") align 8) #2 align 2

attributes #0 = { nocallback nofree 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 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i64 0, i64 24, !10}
!10 = !{!7, !7, 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"

%"class.P3D::SymmetricMatrix" = type { [6 x double] }
%"class.P3D::DiagonalMatrix" = type { [3 x double] }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK3P3D13intrusive_ptrIKNS_10ShapeClassEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3P3D5Shape10getInertiaEv(ptr dead_on_unwind noalias writable sret(%"class.P3D::SymmetricMatrix") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1) local_unnamed_addr #1 align 2 {
  %3 = tail call noundef ptr @_ZNK3P3D13intrusive_ptrIKNS_10ShapeClassEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #2
  %4 = getelementptr inbounds i8, ptr %3, i64 56
  %5 = getelementptr inbounds i8, ptr %1, i64 8
  tail call void @_ZNK3P3D22ScalableInertialMatrix8toMatrixENS_14DiagonalMatrixIdLm3EEE(ptr dead_on_unwind writable sret(%"class.P3D::SymmetricMatrix") align 8 %0, ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull byval(%"class.P3D::DiagonalMatrix") align 8 %5)
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK3P3D22ScalableInertialMatrix8toMatrixENS_14DiagonalMatrixIdLm3EEE(ptr dead_on_unwind noalias writable sret(%"class.P3D::SymmetricMatrix") align 8, ptr noundef nonnull align 8 dereferenceable(48), ptr noundef byval(%"class.P3D::DiagonalMatrix") align 8) local_unnamed_addr #1 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 = { 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 #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)"}


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