; LLVM IR from zig-gamedev/zphysics :: libs/Jolt/AABBTree/AABBTreeBuilder.ll (ZNK3JPH15AABBTreeBuilder4Node16GetLeafNodeCountEv)

; 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::AABBTreeBuilder::Node" = type <{ %"class.JPH::AABox", %"class.JPH::Array", [2 x ptr], [8 x i8] }>
%"class.JPH::AABox" = type { %"class.JPH::Vec3", %"class.JPH::Vec3" }
%"class.JPH::Vec3" = type { %union.anon }
%union.anon = type { <4 x float> }
%"class.JPH::Array" = type { i64, i64, ptr }

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK3JPH15AABBTreeBuilder4Node11HasChildrenEv(ptr noundef nonnull align 16 dereferenceable(72)) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK3JPH15AABBTreeBuilder4Node16GetLeafNodeCountEv(ptr noundef nonnull align 16 dereferenceable(72) %0) #1 align 2 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8
  %5 = call noundef zeroext i1 @_ZNK3JPH15AABBTreeBuilder4Node11HasChildrenEv(ptr noundef nonnull align 16 dereferenceable(72) %4)
  br i1 %5, label %6, label %16

6:                                                ; preds = %1
  %7 = getelementptr inbounds %"class.JPH::AABBTreeBuilder::Node", ptr %4, i32 0, i32 2
  %8 = getelementptr inbounds [2 x ptr], ptr %7, i64 0, i64 0
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  %10 = call noundef i32 @_ZNK3JPH15AABBTreeBuilder4Node16GetLeafNodeCountEv(ptr noundef nonnull align 16 dereferenceable(72) %9)
  %11 = getelementptr inbounds %"class.JPH::AABBTreeBuilder::Node", ptr %4, i32 0, i32 2
  %12 = getelementptr inbounds [2 x ptr], ptr %11, i64 0, i64 1
  %13 = load ptr, ptr %12, align 8, !tbaa !5
  %14 = call noundef i32 @_ZNK3JPH15AABBTreeBuilder4Node16GetLeafNodeCountEv(ptr noundef nonnull align 16 dereferenceable(72) %13)
  %15 = add i32 %10, %14
  store i32 %15, ptr %2, align 4
  br label %17

16:                                               ; preds = %1
  store i32 1, ptr %2, align 4
  br label %17

17:                                               ; preds = %16, %6
  %18 = load i32, ptr %2, align 4
  ret i32 %18
}

attributes #0 = { 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 #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" }

!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"}


; 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"

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK3JPH15AABBTreeBuilder4Node11HasChildrenEv(ptr noundef nonnull align 16 dereferenceable(72)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZNK3JPH15AABBTreeBuilder4Node16GetLeafNodeCountEv(ptr noundef nonnull align 16 dereferenceable(72) %0) local_unnamed_addr #1 align 2 {
  %2 = tail call noundef zeroext i1 @_ZNK3JPH15AABBTreeBuilder4Node11HasChildrenEv(ptr noundef nonnull align 16 dereferenceable(72) %0)
  br i1 %2, label %tailrecurse, label %tailrecurse._crit_edge

tailrecurse:                                      ; preds = %1, %tailrecurse
  %.tr2 = phi ptr [ %7, %tailrecurse ], [ %0, %1 ]
  %accumulator.tr1 = phi i32 [ %8, %tailrecurse ], [ 0, %1 ]
  %3 = getelementptr inbounds i8, ptr %.tr2, i64 56
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = tail call noundef i32 @_ZNK3JPH15AABBTreeBuilder4Node16GetLeafNodeCountEv(ptr noundef nonnull align 16 dereferenceable(72) %4)
  %6 = getelementptr inbounds i8, ptr %.tr2, i64 64
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  %8 = add i32 %5, %accumulator.tr1
  %9 = tail call noundef zeroext i1 @_ZNK3JPH15AABBTreeBuilder4Node11HasChildrenEv(ptr noundef nonnull align 16 dereferenceable(72) %7)
  br i1 %9, label %tailrecurse, label %tailrecurse._crit_edge.loopexit

tailrecurse._crit_edge.loopexit:                  ; preds = %tailrecurse
  %10 = add i32 %8, 1
  br label %tailrecurse._crit_edge

tailrecurse._crit_edge:                           ; preds = %tailrecurse._crit_edge.loopexit, %1
  %accumulator.tr.lcssa = phi i32 [ 1, %1 ], [ %10, %tailrecurse._crit_edge.loopexit ]
  ret i32 %accumulator.tr.lcssa
}

attributes #0 = { 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 #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" }

!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"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass