; LLVM IR from idmillington/cyclone-physics :: src/pfgen.ll (ZN7cyclone22ParticleAnchoredBungee11updateForceEPNS_8ParticleEd)

; 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.cyclone::Vector3" = type { double, double, double, double }
%"class.cyclone::ParticleAnchoredSpring" = type { %"class.cyclone::ParticleForceGenerator", ptr, double, double }
%"class.cyclone::ParticleForceGenerator" = type { ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare void @_ZN7cyclone8Particle8addForceERKNS_7Vector3E(ptr noundef nonnull align 8 dereferenceable(144), ptr noundef nonnull align 8 dereferenceable(32)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7cyclone7Vector3C2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK7cyclone7Vector39magnitudeEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7cyclone7Vector39normaliseEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7cyclone7Vector3mLEd(ptr noundef nonnull align 8 dereferenceable(32), double noundef) #2 align 2

declare void @_ZNK7cyclone8Particle11getPositionEPNS_7Vector3E(ptr noundef nonnull align 8 dereferenceable(144), ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7cyclone7Vector3mIERKS0_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7cyclone22ParticleAnchoredBungee11updateForceEPNS_8ParticleEd(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %1, double noundef %2) unnamed_addr #3 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca double, align 8
  %7 = alloca %"class.cyclone::Vector3", align 8
  %8 = alloca double, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store double %2, ptr %6, align 8, !tbaa !9
  %10 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #4
  call void @_ZN7cyclone7Vector3C2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7)
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  call void @_ZNK7cyclone8Particle11getPositionEPNS_7Vector3E(ptr noundef nonnull align 8 dereferenceable(144) %11, ptr noundef %7)
  %12 = getelementptr inbounds %"class.cyclone::ParticleAnchoredSpring", ptr %10, i32 0, i32 1
  %13 = load ptr, ptr %12, align 8, !tbaa !11
  call void @_ZN7cyclone7Vector3mIERKS0_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 8 dereferenceable(32) %13)
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %14 = call noundef double @_ZNK7cyclone7Vector39magnitudeEv(ptr noundef nonnull align 8 dereferenceable(32) %7)
  store double %14, ptr %8, align 8, !tbaa !9
  %15 = load double, ptr %8, align 8, !tbaa !9
  %16 = getelementptr inbounds %"class.cyclone::ParticleAnchoredSpring", ptr %10, i32 0, i32 3
  %17 = load double, ptr %16, align 8, !tbaa !14
  %18 = fcmp olt double %15, %17
  br i1 %18, label %19, label %20

19:                                               ; preds = %3
  store i32 1, ptr %9, align 4
  br label %32

20:                                               ; preds = %3
  %21 = load double, ptr %8, align 8, !tbaa !9
  %22 = getelementptr inbounds %"class.cyclone::ParticleAnchoredSpring", ptr %10, i32 0, i32 3
  %23 = load double, ptr %22, align 8, !tbaa !14
  %24 = fsub double %21, %23
  store double %24, ptr %8, align 8, !tbaa !9
  %25 = getelementptr inbounds %"class.cyclone::ParticleAnchoredSpring", ptr %10, i32 0, i32 2
  %26 = load double, ptr %25, align 8, !tbaa !15
  %27 = load double, ptr %8, align 8, !tbaa !9
  %28 = fmul double %27, %26
  store double %28, ptr %8, align 8, !tbaa !9
  call void @_ZN7cyclone7Vector39normaliseEv(ptr noundef nonnull align 8 dereferenceable(32) %7)
  %29 = load double, ptr %8, align 8, !tbaa !9
  %30 = fneg double %29
  call void @_ZN7cyclone7Vector3mLEd(ptr noundef nonnull align 8 dereferenceable(32) %7, double noundef %30)
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  call void @_ZN7cyclone8Particle8addForceERKNS_7Vector3E(ptr noundef nonnull align 8 dereferenceable(144) %31, ptr noundef nonnull align 8 dereferenceable(32) %7)
  store i32 0, ptr %9, align 4
  br label %32

32:                                               ; preds = %20, %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #4
  %33 = load i32, ptr %9, align 4
  switch i32 %33, label %35 [
    i32 0, label %34
    i32 1, label %34
  ]

34:                                               ; preds = %32, %32
  ret void

35:                                               ; preds = %32
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 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 #4 = { 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 = !{!"double", !7, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"_ZTSN7cyclone22ParticleAnchoredSpringE", !13, i64 0, !6, i64 8, !10, i64 16, !10, i64 24}
!13 = !{!"_ZTSN7cyclone22ParticleForceGeneratorE"}
!14 = !{!12, !10, i64 24}
!15 = !{!12, !10, i64 16}


; 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.cyclone::Vector3" = type { double, double, double, double }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare void @_ZN7cyclone8Particle8addForceERKNS_7Vector3E(ptr noundef nonnull align 8 dereferenceable(144), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7cyclone7Vector3C2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK7cyclone7Vector39magnitudeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7cyclone7Vector39normaliseEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7cyclone7Vector3mLEd(ptr noundef nonnull align 8 dereferenceable(32), double noundef) local_unnamed_addr #2 align 2

declare void @_ZNK7cyclone8Particle11getPositionEPNS_7Vector3E(ptr noundef nonnull align 8 dereferenceable(144), ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7cyclone7Vector3mIERKS0_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7cyclone22ParticleAnchoredBungee11updateForceEPNS_8ParticleEd(ptr nocapture noundef nonnull readonly align 8 dereferenceable(32) %0, ptr noundef %1, double noundef %2) unnamed_addr #3 align 2 {
  %4 = alloca %"class.cyclone::Vector3", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #4
  call void @_ZN7cyclone7Vector3C2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4)
  call void @_ZNK7cyclone8Particle11getPositionEPNS_7Vector3E(ptr noundef nonnull align 8 dereferenceable(144) %1, ptr noundef nonnull %4)
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  call void @_ZN7cyclone7Vector3mIERKS0_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %6)
  %7 = call noundef double @_ZNK7cyclone7Vector39magnitudeEv(ptr noundef nonnull align 8 dereferenceable(32) %4)
  %8 = getelementptr inbounds i8, ptr %0, i64 24
  %9 = load double, ptr %8, align 8, !tbaa !12
  %10 = fcmp olt double %7, %9
  br i1 %10, label %17, label %11

11:                                               ; preds = %3
  %12 = fsub double %7, %9
  %13 = getelementptr inbounds i8, ptr %0, i64 16
  %14 = load double, ptr %13, align 8, !tbaa !13
  call void @_ZN7cyclone7Vector39normaliseEv(ptr noundef nonnull align 8 dereferenceable(32) %4)
  %15 = fneg double %12
  %16 = fmul double %14, %15
  call void @_ZN7cyclone7Vector3mLEd(ptr noundef nonnull align 8 dereferenceable(32) %4, double noundef %16)
  call void @_ZN7cyclone8Particle8addForceERKNS_7Vector3E(ptr noundef nonnull align 8 dereferenceable(144) %1, ptr noundef nonnull align 8 dereferenceable(32) %4)
  br label %17

17:                                               ; preds = %3, %11
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  ret void
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 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 #4 = { 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, !8, i64 8}
!6 = !{!"_ZTSN7cyclone22ParticleAnchoredSpringE", !7, i64 0, !8, i64 8, !11, i64 16, !11, i64 24}
!7 = !{!"_ZTSN7cyclone22ParticleForceGeneratorE"}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"double", !9, i64 0}
!12 = !{!6, !11, i64 24}
!13 = !{!6, !11, i64 16}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass