; LLVM IR from atlantis13579/Riemann :: Src/CollisionPrimitive (Sphere3)

; 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.Riemann::Sphere3" = type { %"class.Maths::TVector3", float }
%"class.Maths::TVector3" = type { float, float, float }

; 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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7Riemann7Sphere335ComputeBoundingSphere_MostSeparatedEPKN5Maths8TVector3IfEEi(ptr dead_on_unwind noalias writable sret(%"class.Riemann::Sphere3") align 4 %0, ptr noundef %1, i32 noundef %2) #1 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = load i32, ptr %6, align 4, !tbaa !9
  call void @_ZN7RiemannL23SphereFromDistantPointsEPKN5Maths8TVector3IfEEi(ptr dead_on_unwind writable sret(%"class.Riemann::Sphere3") align 4 %0, ptr noundef %8, i32 noundef %9)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %21, %3
  %11 = load i32, ptr %7, align 4, !tbaa !9
  %12 = load i32, ptr %6, align 4, !tbaa !9
  %13 = icmp slt i32 %11, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  br label %24

15:                                               ; preds = %10
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = load i32, ptr %7, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds %"class.Maths::TVector3", ptr %16, i64 %18
  %20 = call noundef nonnull align 4 dereferenceable(16) ptr @_ZN7Riemann7Sphere311EncapsulateERKN5Maths8TVector3IfEE(ptr noundef nonnull align 4 dereferenceable(16) %0, ptr noundef nonnull align 4 dereferenceable(12) %19)
  br label %21

21:                                               ; preds = %15
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %7, align 4, !tbaa !9
  br label %10, !llvm.loop !11

24:                                               ; preds = %14
  ret void
}

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN7RiemannL23SphereFromDistantPointsEPKN5Maths8TVector3IfEEi(ptr dead_on_unwind noalias writable sret(%"class.Riemann::Sphere3") align 4, ptr noundef, i32 noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(16) ptr @_ZN7Riemann7Sphere311EncapsulateERKN5Maths8TVector3IfEE(ptr noundef nonnull align 4 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(12)) #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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)"}
!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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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.Riemann::Sphere3" = type { %"class.Maths::TVector3", float }
%"class.Maths::TVector3" = type { float, float, float }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7Riemann7Sphere335ComputeBoundingSphere_MostSeparatedEPKN5Maths8TVector3IfEEi(ptr dead_on_unwind noalias writable sret(%"class.Riemann::Sphere3") align 4 %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #0 align 2 {
  tail call void @_ZN7RiemannL23SphereFromDistantPointsEPKN5Maths8TVector3IfEEi(ptr dead_on_unwind writable sret(%"class.Riemann::Sphere3") align 4 %0, ptr noundef %1, i32 noundef %2)
  %4 = icmp sgt i32 %2, 0
  br i1 %4, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %3
  %wide.trip.count = zext nneg i32 %2 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %3
  ret void

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %5 = getelementptr inbounds %"class.Maths::TVector3", ptr %1, i64 %indvars.iv
  %6 = tail call noundef nonnull align 4 dereferenceable(16) ptr @_ZN7Riemann7Sphere311EncapsulateERKN5Maths8TVector3IfEE(ptr noundef nonnull align 4 dereferenceable(16) %0, ptr noundef nonnull align 4 dereferenceable(12) %5)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5
}

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN7RiemannL23SphereFromDistantPointsEPKN5Maths8TVector3IfEEi(ptr dead_on_unwind noalias writable sret(%"class.Riemann::Sphere3") align 4, ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(16) ptr @_ZN7Riemann7Sphere311EncapsulateERKN5Maths8TVector3IfEE(ptr noundef nonnull align 4 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #0 align 2

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" }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass