; LLVM IR from jrouwe/JoltPhysics :: Jolt/Physics/Collision/BroadPhase/BroadPhaseQuadTree.ll (ZN3JPH18BroadPhaseQuadTreeD2Ev)

; 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.JPH::BroadPhaseQuadTree" = type { %"class.JPH::BroadPhase", ptr, i64, %"class.JPH::Array", [8 x i8], %"class.JPH::FixedSizeFreeList", ptr, ptr, i32, %"class.JPH::SharedMutex", [2 x %"class.JPH::SharedMutex"], %"struct.std::atomic", i32, [32 x i8] }
%"class.JPH::BroadPhase" = type { %"class.JPH::BroadPhaseQuery", ptr }
%"class.JPH::BroadPhaseQuery" = type { ptr }
%"class.JPH::Array" = type { i64, i64, ptr }
%"class.JPH::FixedSizeFreeList" = type <{ i32, i32, i32, i32, i32, [4 x i8], ptr, [32 x i8], %"class.JPH::Mutex", %"struct.std::atomic", %"struct.std::atomic", %"struct.std::atomic.0", %"struct.std::atomic", [60 x i8] }>
%"class.JPH::Mutex" = type { %"class.std::mutex", %"class.std::thread::id" }
%"class.std::mutex" = type { %"class.std::__mutex_base" }
%"class.std::__mutex_base" = type { %union.pthread_mutex_t }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::thread::id" = type { i64 }
%"struct.std::atomic.0" = type { %"struct.std::__atomic_base.1" }
%"struct.std::__atomic_base.1" = type { i64 }
%"class.JPH::SharedMutex" = type { %"class.std::shared_mutex", %"class.std::thread::id" }
%"class.std::shared_mutex" = type { %"class.std::__shared_mutex_pthread" }
%"class.std::__shared_mutex_pthread" = type { %union.pthread_rwlock_t }
%union.pthread_rwlock_t = type { %struct.__pthread_rwlock_arch_t }
%struct.__pthread_rwlock_arch_t = type { i32, i32, i32, i32, i32, i32, i32, i32, i8, [7 x i8], i64, i32 }
%"struct.std::atomic" = type { %"struct.std::__atomic_base" }
%"struct.std::__atomic_base" = type { i32 }
%"class.JPH::QuadTree" = type <{ ptr, %"struct.JPH::FixedSizeFreeList<JPH::QuadTree::Node>::Batch", [44 x i8], %"struct.std::atomic", [2 x %"struct.JPH::QuadTree::RootNode"], %"struct.std::atomic", %"struct.std::atomic.2", [47 x i8] }>
%"struct.JPH::FixedSizeFreeList<JPH::QuadTree::Node>::Batch" = type { i32, i32, i32 }
%"struct.JPH::QuadTree::RootNode" = type { %"struct.std::atomic" }
%"struct.std::atomic.2" = type { %"struct.std::__atomic_base.3" }
%"struct.std::__atomic_base.3" = type { i8 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN3JPH18BroadPhaseQuadTreeD2Ev(ptr noundef nonnull align 64 dereferenceable(512) %0) unnamed_addr #0 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.JPH::BroadPhaseQuadTree", ptr %3, i32 0, i32 7
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp eq ptr %5, null
  br i1 %6, label %18, label %7

7:                                                ; preds = %1
  %8 = getelementptr inbounds i8, ptr %5, i64 -64
  %9 = getelementptr inbounds i8, ptr %8, i64 56
  %10 = load i64, ptr %9, align 8
  %11 = getelementptr inbounds %"class.JPH::QuadTree", ptr %5, i64 %10
  %12 = icmp eq ptr %5, %11
  br i1 %12, label %17, label %13

13:                                               ; preds = %13, %7
  %14 = phi ptr [ %11, %7 ], [ %15, %13 ]
  %15 = getelementptr inbounds %"class.JPH::QuadTree", ptr %14, i64 -1
  call void @_ZN3JPH8QuadTreeD1Ev(ptr noundef nonnull align 64 dereferenceable(81) %15) #4
  %16 = icmp eq ptr %15, %5
  br i1 %16, label %17, label %13

17:                                               ; preds = %13, %7
  call void @_ZN3JPH8QuadTreedaEPvSt11align_val_t(ptr noundef %8, i64 noundef 64) #4
  br label %18

18:                                               ; preds = %17, %1
  %19 = getelementptr inbounds %"class.JPH::BroadPhaseQuadTree", ptr %3, i32 0, i32 5
  call void @_ZN3JPH17FixedSizeFreeListINS_8QuadTree4NodeEED2Ev(ptr noundef nonnull align 64 dereferenceable(132) %19) #4
  %20 = getelementptr inbounds %"class.JPH::BroadPhaseQuadTree", ptr %3, i32 0, i32 3
  call void @_ZN3JPH5ArrayINS_8QuadTree8TrackingENS_12STLAllocatorIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %20) #4
  call void @_ZN3JPH15BroadPhaseQueryD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %3) #4
  ret void
}

; Function Attrs: nounwind
declare void @_ZN3JPH8QuadTreeD1Ev(ptr noundef nonnull align 64 dereferenceable(81)) unnamed_addr #1

; Function Attrs: alwaysinline mustprogress nounwind uwtable
declare dso_local void @_ZN3JPH8QuadTreedaEPvSt11align_val_t(ptr noundef, i64 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3JPH17FixedSizeFreeListINS_8QuadTree4NodeEED2Ev(ptr noundef nonnull align 64 dereferenceable(132)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3JPH5ArrayINS_8QuadTree8TrackingENS_12STLAllocatorIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3JPH15BroadPhaseQueryD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 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 = { 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 #2 = { alwaysinline 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 = { inlinehint 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 #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, !6, i64 264}
!10 = !{!"_ZTSN3JPH18BroadPhaseQuadTreeE", !11, i64 0, !6, i64 16, !13, i64 24, !14, i64 32, !15, i64 64, !6, i64 256, !6, i64 264, !16, i64 272, !25, i64 280, !7, i64 344, !21, i64 472, !16, i64 476}
!11 = !{!"_ZTSN3JPH10BroadPhaseE", !12, i64 0, !6, i64 8}
!12 = !{!"_ZTSN3JPH15BroadPhaseQueryE"}
!13 = !{!"long", !7, i64 0}
!14 = !{!"_ZTSN3JPH5ArrayINS_8QuadTree8TrackingENS_12STLAllocatorIS2_EEEE", !13, i64 0, !13, i64 8, !6, i64 16}
!15 = !{!"_ZTSN3JPH17FixedSizeFreeListINS_8QuadTree4NodeEEE", !16, i64 0, !16, i64 4, !16, i64 8, !16, i64 12, !16, i64 16, !6, i64 24, !17, i64 64, !21, i64 112, !21, i64 116, !23, i64 120, !21, i64 128}
!16 = !{!"int", !7, i64 0}
!17 = !{!"_ZTSN3JPH5MutexE", !18, i64 0, !20, i64 40}
!18 = !{!"_ZTSSt5mutex", !19, i64 0}
!19 = !{!"_ZTSSt12__mutex_base", !7, i64 0}
!20 = !{!"_ZTSNSt6thread2idE", !13, i64 0}
!21 = !{!"_ZTSSt6atomicIjE", !22, i64 0}
!22 = !{!"_ZTSSt13__atomic_baseIjE", !16, i64 0}
!23 = !{!"_ZTSSt6atomicImE", !24, i64 0}
!24 = !{!"_ZTSSt13__atomic_baseImE", !13, i64 0}
!25 = !{!"_ZTSN3JPH11SharedMutexE", !26, i64 0, !20, i64 56}
!26 = !{!"_ZTSSt12shared_mutex", !27, i64 0}
!27 = !{!"_ZTSSt22__shared_mutex_pthread", !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.JPH::QuadTree" = type <{ ptr, %"struct.JPH::FixedSizeFreeList<JPH::QuadTree::Node>::Batch", [44 x i8], %"struct.std::atomic", [2 x %"struct.JPH::QuadTree::RootNode"], %"struct.std::atomic", %"struct.std::atomic.2", [47 x i8] }>
%"struct.JPH::FixedSizeFreeList<JPH::QuadTree::Node>::Batch" = type { i32, i32, i32 }
%"struct.JPH::QuadTree::RootNode" = type { %"struct.std::atomic" }
%"struct.std::atomic" = type { %"struct.std::__atomic_base" }
%"struct.std::__atomic_base" = type { i32 }
%"struct.std::atomic.2" = type { %"struct.std::__atomic_base.3" }
%"struct.std::__atomic_base.3" = type { i8 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN3JPH18BroadPhaseQuadTreeD2Ev(ptr noundef nonnull align 64 dereferenceable(512) %0) unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 264
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = icmp eq ptr %3, null
  br i1 %4, label %14, label %5

5:                                                ; preds = %1
  %6 = getelementptr inbounds i8, ptr %3, i64 -64
  %7 = getelementptr inbounds i8, ptr %3, i64 -8
  %8 = load i64, ptr %7, align 8
  %9 = icmp eq i64 %8, 0
  br i1 %9, label %.loopexit, label %.preheader.preheader

.preheader.preheader:                             ; preds = %5
  %10 = getelementptr inbounds %"class.JPH::QuadTree", ptr %3, i64 %8
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %.preheader
  %11 = phi ptr [ %12, %.preheader ], [ %10, %.preheader.preheader ]
  %12 = getelementptr inbounds i8, ptr %11, i64 -128
  tail call void @_ZN3JPH8QuadTreeD1Ev(ptr noundef nonnull align 64 dereferenceable(81) %12) #4
  %13 = icmp eq ptr %12, %3
  br i1 %13, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %5
  tail call void @_ZN3JPH8QuadTreedaEPvSt11align_val_t(ptr noundef nonnull %6, i64 noundef 64) #4
  br label %14

14:                                               ; preds = %.loopexit, %1
  %15 = getelementptr inbounds i8, ptr %0, i64 64
  tail call void @_ZN3JPH17FixedSizeFreeListINS_8QuadTree4NodeEED2Ev(ptr noundef nonnull align 64 dereferenceable(132) %15) #4
  %16 = getelementptr inbounds i8, ptr %0, i64 32
  tail call void @_ZN3JPH5ArrayINS_8QuadTree8TrackingENS_12STLAllocatorIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #4
  tail call void @_ZN3JPH15BroadPhaseQueryD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) #4
  ret void
}

; Function Attrs: nounwind
declare void @_ZN3JPH8QuadTreeD1Ev(ptr noundef nonnull align 64 dereferenceable(81)) unnamed_addr #1

; Function Attrs: alwaysinline mustprogress nounwind uwtable
declare dso_local void @_ZN3JPH8QuadTreedaEPvSt11align_val_t(ptr noundef, i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3JPH17FixedSizeFreeListINS_8QuadTree4NodeEED2Ev(ptr noundef nonnull align 64 dereferenceable(132)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3JPH5ArrayINS_8QuadTree8TrackingENS_12STLAllocatorIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3JPH15BroadPhaseQueryD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 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 = { 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 #2 = { alwaysinline 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 = { inlinehint 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 #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, !9, i64 264}
!6 = !{!"_ZTSN3JPH18BroadPhaseQuadTreeE", !7, i64 0, !9, i64 16, !12, i64 24, !13, i64 32, !14, i64 64, !9, i64 256, !9, i64 264, !15, i64 272, !24, i64 280, !10, i64 344, !20, i64 472, !15, i64 476}
!7 = !{!"_ZTSN3JPH10BroadPhaseE", !8, i64 0, !9, i64 8}
!8 = !{!"_ZTSN3JPH15BroadPhaseQueryE"}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"long", !10, i64 0}
!13 = !{!"_ZTSN3JPH5ArrayINS_8QuadTree8TrackingENS_12STLAllocatorIS2_EEEE", !12, i64 0, !12, i64 8, !9, i64 16}
!14 = !{!"_ZTSN3JPH17FixedSizeFreeListINS_8QuadTree4NodeEEE", !15, i64 0, !15, i64 4, !15, i64 8, !15, i64 12, !15, i64 16, !9, i64 24, !16, i64 64, !20, i64 112, !20, i64 116, !22, i64 120, !20, i64 128}
!15 = !{!"int", !10, i64 0}
!16 = !{!"_ZTSN3JPH5MutexE", !17, i64 0, !19, i64 40}
!17 = !{!"_ZTSSt5mutex", !18, i64 0}
!18 = !{!"_ZTSSt12__mutex_base", !10, i64 0}
!19 = !{!"_ZTSNSt6thread2idE", !12, i64 0}
!20 = !{!"_ZTSSt6atomicIjE", !21, i64 0}
!21 = !{!"_ZTSSt13__atomic_baseIjE", !15, i64 0}
!22 = !{!"_ZTSSt6atomicImE", !23, i64 0}
!23 = !{!"_ZTSSt13__atomic_baseImE", !12, i64 0}
!24 = !{!"_ZTSN3JPH11SharedMutexE", !25, i64 0, !19, i64 56}
!25 = !{!"_ZTSSt12shared_mutex", !26, i64 0}
!26 = !{!"_ZTSSt22__shared_mutex_pthread", !10, i64 0}


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