; LLVM IR from ThePhysicsGuys/Physics3D :: Physics3D/softlinks/elasticLink.ll (ZN3P3D11ElasticLink6updateEv)

; 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::optional" = type { %"struct.std::_Optional_base" }
%"struct.std::_Optional_base" = type { %"struct.std::_Optional_payload" }
%"struct.std::_Optional_payload" = type { %"struct.std::_Optional_payload_base.base", [7 x i8] }
%"struct.std::_Optional_payload_base.base" = type <{ %"union.std::_Optional_payload_base<P3D::Vector<double, 3>>::_Storage", i8 }>
%"union.std::_Optional_payload_base<P3D::Vector<double, 3>>::_Storage" = type { %"struct.P3D::Vector" }
%"struct.P3D::Vector" = type { %union.anon }
%union.anon = type { [3 x double] }
%"class.P3D::SoftLink" = type { ptr, %"struct.P3D::AttachedPart", %"struct.P3D::AttachedPart" }
%"struct.P3D::AttachedPart" = type { %"struct.P3D::CFrameTemplate", ptr }
%"struct.P3D::CFrameTemplate" = type { %"struct.P3D::Vector", %"class.P3D::MatrixRotationTemplate" }
%"class.P3D::MatrixRotationTemplate" = type { %"class.P3D::Matrix" }
%"class.P3D::Matrix" = type { [9 x double] }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3P3D11ElasticLink6updateEv(ptr noundef nonnull align 8 dereferenceable(232) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::optional", align 8
  %4 = alloca i32, align 4
  %5 = alloca %"struct.P3D::Vector", align 8
  %6 = alloca %"struct.P3D::Vector", align 8
  %7 = alloca %"struct.P3D::Vector", align 8
  %8 = alloca %"struct.P3D::Vector", align 8
  %9 = alloca %"struct.P3D::Vector", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %10 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #5
  call void @_ZN3P3D11ElasticLink21forceAppliedToTheLinkEv(ptr dead_on_unwind writable sret(%"class.std::optional") align 8 %3, ptr noundef nonnull align 8 dereferenceable(232) %10)
  %11 = call noundef zeroext i1 @_ZNKSt8optionalIN3P3D6VectorIdLm3EEEEcvbEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  br i1 %11, label %13, label %12

12:                                               ; preds = %1
  store i32 1, ptr %4, align 4
  br label %21

13:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #5
  %14 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNRSt8optionalIN3P3D6VectorIdLm3EEEE5valueEv(ptr noundef nonnull align 8 dereferenceable(32) %3)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %5, ptr align 8 %14, i64 24, i1 false), !tbaa.struct !9
  %15 = getelementptr inbounds %"class.P3D::SoftLink", ptr %10, i32 0, i32 1
  %16 = getelementptr inbounds %"struct.P3D::AttachedPart", ptr %15, i32 0, i32 1
  %17 = load ptr, ptr %16, align 8, !tbaa !11
  call void @_ZNK3P3D8SoftLink32getRelativePositionOfAttachmentBEv(ptr dead_on_unwind writable sret(%"struct.P3D::Vector") align 8 %6, ptr noundef nonnull align 8 dereferenceable(216) %10)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %7, ptr align 8 %5, i64 24, i1 false), !tbaa.struct !9
  call void @_ZN3P3D4Part10applyForceENS_6VectorIdLm3EEES2_(ptr noundef nonnull align 8 dereferenceable(200) %17, ptr noundef byval(%"struct.P3D::Vector") align 8 %6, ptr noundef byval(%"struct.P3D::Vector") align 8 %7)
  %18 = getelementptr inbounds %"class.P3D::SoftLink", ptr %10, i32 0, i32 2
  %19 = getelementptr inbounds %"struct.P3D::AttachedPart", ptr %18, i32 0, i32 1
  %20 = load ptr, ptr %19, align 8, !tbaa !18
  call void @_ZNK3P3D8SoftLink32getRelativePositionOfAttachmentAEv(ptr dead_on_unwind writable sret(%"struct.P3D::Vector") align 8 %8, ptr noundef nonnull align 8 dereferenceable(216) %10)
  call void @_ZN3P3DngIdLm3EEENS_6VectorIT_XT0_EEERKS3_(ptr dead_on_unwind writable sret(%"struct.P3D::Vector") align 8 %9, ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @_ZN3P3D4Part10applyForceENS_6VectorIdLm3EEES2_(ptr noundef nonnull align 8 dereferenceable(200) %20, ptr noundef byval(%"struct.P3D::Vector") align 8 %8, ptr noundef byval(%"struct.P3D::Vector") align 8 %9)
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #5
  store i32 0, ptr %4, align 4
  br label %21

21:                                               ; preds = %13, %12
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #5
  %22 = load i32, ptr %4, align 4
  switch i32 %22, label %24 [
    i32 0, label %23
    i32 1, label %23
  ]

23:                                               ; preds = %21, %21
  ret void

24:                                               ; preds = %21
  unreachable
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3P3D11ElasticLink21forceAppliedToTheLinkEv(ptr dead_on_unwind noalias writable sret(%"class.std::optional") align 8, ptr noundef nonnull align 8 dereferenceable(232)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt8optionalIN3P3D6VectorIdLm3EEEEcvbEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNRSt8optionalIN3P3D6VectorIdLm3EEEE5valueEv(ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; 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) #3

declare void @_ZN3P3D4Part10applyForceENS_6VectorIdLm3EEES2_(ptr noundef nonnull align 8 dereferenceable(200), ptr noundef byval(%"struct.P3D::Vector") align 8, ptr noundef byval(%"struct.P3D::Vector") align 8) #4

declare void @_ZNK3P3D8SoftLink32getRelativePositionOfAttachmentBEv(ptr dead_on_unwind writable sret(%"struct.P3D::Vector") align 8, ptr noundef nonnull align 8 dereferenceable(216)) #4

declare void @_ZNK3P3D8SoftLink32getRelativePositionOfAttachmentAEv(ptr dead_on_unwind writable sret(%"struct.P3D::Vector") align 8, ptr noundef nonnull align 8 dereferenceable(216)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3P3DngIdLm3EEENS_6VectorIT_XT0_EEERKS3_(ptr dead_on_unwind noalias writable sret(%"struct.P3D::Vector") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { "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 = { 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}
!11 = !{!12, !6, i64 104}
!12 = !{!"_ZTSN3P3D8SoftLinkE", !13, i64 8, !13, i64 112}
!13 = !{!"_ZTSN3P3D12AttachedPartE", !14, i64 0, !6, i64 96}
!14 = !{!"_ZTSN3P3D14CFrameTemplateIdEE", !15, i64 0, !16, i64 24}
!15 = !{!"_ZTSN3P3D6VectorIdLm3EEE", !7, i64 0}
!16 = !{!"_ZTSN3P3D22MatrixRotationTemplateIdEE", !17, i64 0}
!17 = !{!"_ZTSN3P3D6MatrixIdLm3ELm3EEE", !7, i64 0}
!18 = !{!12, !6, i64 208}


; 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::optional" = type { %"struct.std::_Optional_base" }
%"struct.std::_Optional_base" = type { %"struct.std::_Optional_payload" }
%"struct.std::_Optional_payload" = type { %"struct.std::_Optional_payload_base.base", [7 x i8] }
%"struct.std::_Optional_payload_base.base" = type <{ %"union.std::_Optional_payload_base<P3D::Vector<double, 3>>::_Storage", i8 }>
%"union.std::_Optional_payload_base<P3D::Vector<double, 3>>::_Storage" = type { %"struct.P3D::Vector" }
%"struct.P3D::Vector" = type { %union.anon }
%union.anon = type { [3 x double] }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3P3D11ElasticLink6updateEv(ptr noundef nonnull align 8 dereferenceable(232) %0) unnamed_addr #0 align 2 {
  %2 = alloca %"class.std::optional", align 8
  %3 = alloca %"struct.P3D::Vector", align 8
  %4 = alloca %"struct.P3D::Vector", align 8
  %5 = alloca %"struct.P3D::Vector", align 8
  %6 = alloca %"struct.P3D::Vector", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #5
  call void @_ZN3P3D11ElasticLink21forceAppliedToTheLinkEv(ptr dead_on_unwind nonnull writable sret(%"class.std::optional") align 8 %2, ptr noundef nonnull align 8 dereferenceable(232) %0)
  %7 = call noundef zeroext i1 @_ZNKSt8optionalIN3P3D6VectorIdLm3EEEEcvbEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  br i1 %7, label %8, label %14

8:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  %9 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNRSt8optionalIN3P3D6VectorIdLm3EEEE5valueEv(ptr noundef nonnull align 8 dereferenceable(32) %2)
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %9, i64 24, i1 false), !tbaa.struct !5
  %10 = getelementptr inbounds i8, ptr %0, i64 104
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  call void @_ZNK3P3D8SoftLink32getRelativePositionOfAttachmentBEv(ptr dead_on_unwind nonnull writable sret(%"struct.P3D::Vector") align 8 %4, ptr noundef nonnull align 8 dereferenceable(216) %0)
  call void @_ZN3P3D4Part10applyForceENS_6VectorIdLm3EEES2_(ptr noundef nonnull align 8 dereferenceable(200) %11, ptr noundef nonnull byval(%"struct.P3D::Vector") align 8 %4, ptr noundef nonnull byval(%"struct.P3D::Vector") align 8 %3)
  %12 = getelementptr inbounds i8, ptr %0, i64 208
  %13 = load ptr, ptr %12, align 8, !tbaa !17
  call void @_ZNK3P3D8SoftLink32getRelativePositionOfAttachmentAEv(ptr dead_on_unwind nonnull writable sret(%"struct.P3D::Vector") align 8 %5, ptr noundef nonnull align 8 dereferenceable(216) %0)
  call void @_ZN3P3DngIdLm3EEENS_6VectorIT_XT0_EEERKS3_(ptr dead_on_unwind nonnull writable sret(%"struct.P3D::Vector") align 8 %6, ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @_ZN3P3D4Part10applyForceENS_6VectorIdLm3EEES2_(ptr noundef nonnull align 8 dereferenceable(200) %13, ptr noundef nonnull byval(%"struct.P3D::Vector") align 8 %5, ptr noundef nonnull byval(%"struct.P3D::Vector") align 8 %6)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  br label %14

14:                                               ; preds = %1, %8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3P3D11ElasticLink21forceAppliedToTheLinkEv(ptr dead_on_unwind noalias writable sret(%"class.std::optional") align 8, ptr noundef nonnull align 8 dereferenceable(232)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt8optionalIN3P3D6VectorIdLm3EEEEcvbEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNRSt8optionalIN3P3D6VectorIdLm3EEEE5valueEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress 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) #3

declare void @_ZN3P3D4Part10applyForceENS_6VectorIdLm3EEES2_(ptr noundef nonnull align 8 dereferenceable(200), ptr noundef byval(%"struct.P3D::Vector") align 8, ptr noundef byval(%"struct.P3D::Vector") align 8) local_unnamed_addr #4

declare void @_ZNK3P3D8SoftLink32getRelativePositionOfAttachmentBEv(ptr dead_on_unwind writable sret(%"struct.P3D::Vector") align 8, ptr noundef nonnull align 8 dereferenceable(216)) local_unnamed_addr #4

declare void @_ZNK3P3D8SoftLink32getRelativePositionOfAttachmentAEv(ptr dead_on_unwind writable sret(%"struct.P3D::Vector") align 8, ptr noundef nonnull align 8 dereferenceable(216)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3P3DngIdLm3EEENS_6VectorIT_XT0_EEERKS3_(ptr dead_on_unwind noalias writable sret(%"struct.P3D::Vector") align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { "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 = { 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 = !{i64 0, i64 24, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !16, i64 104}
!10 = !{!"_ZTSN3P3D8SoftLinkE", !11, i64 8, !11, i64 112}
!11 = !{!"_ZTSN3P3D12AttachedPartE", !12, i64 0, !16, i64 96}
!12 = !{!"_ZTSN3P3D14CFrameTemplateIdEE", !13, i64 0, !14, i64 24}
!13 = !{!"_ZTSN3P3D6VectorIdLm3EEE", !7, i64 0}
!14 = !{!"_ZTSN3P3D22MatrixRotationTemplateIdEE", !15, i64 0}
!15 = !{!"_ZTSN3P3D6MatrixIdLm3ELm3EEE", !7, i64 0}
!16 = !{!"any pointer", !7, i64 0}
!17 = !{!10, !16, i64 208}


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