; LLVM IR from mesbahamin/star-sim :: src (barnes_hut)

; 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"

%struct.QuadTreeNode = type { ptr, ptr, ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
declare dso_local ptr @cell_init(float noundef, float noundef, float noundef, float noundef) #0

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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

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

; Function Attrs: nounwind uwtable
define dso_local ptr @quad_tree_node_init(float noundef %0, float noundef %1, float noundef %2, float noundef %3) #0 {
  %5 = alloca float, align 4
  %6 = alloca float, align 4
  %7 = alloca float, align 4
  %8 = alloca float, align 4
  %9 = alloca ptr, align 8
  store float %0, ptr %5, align 4, !tbaa !5
  store float %1, ptr %6, align 4, !tbaa !5
  store float %2, ptr %7, align 4, !tbaa !5
  store float %3, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %10 = call noalias ptr @malloc(i64 noundef 40) #4
  store ptr %10, ptr %9, align 8, !tbaa !9
  %11 = load ptr, ptr %9, align 8, !tbaa !9
  %12 = icmp ne ptr %11, null
  br i1 %12, label %13, label %29

13:                                               ; preds = %4
  %14 = load float, ptr %5, align 4, !tbaa !5
  %15 = load float, ptr %6, align 4, !tbaa !5
  %16 = load float, ptr %7, align 4, !tbaa !5
  %17 = load float, ptr %8, align 4, !tbaa !5
  %18 = call ptr @cell_init(float noundef %14, float noundef %15, float noundef %16, float noundef %17)
  %19 = load ptr, ptr %9, align 8, !tbaa !9
  %20 = getelementptr inbounds %struct.QuadTreeNode, ptr %19, i32 0, i32 0
  store ptr %18, ptr %20, align 8, !tbaa !11
  %21 = load ptr, ptr %9, align 8, !tbaa !9
  %22 = getelementptr inbounds %struct.QuadTreeNode, ptr %21, i32 0, i32 1
  store ptr null, ptr %22, align 8, !tbaa !13
  %23 = load ptr, ptr %9, align 8, !tbaa !9
  %24 = getelementptr inbounds %struct.QuadTreeNode, ptr %23, i32 0, i32 2
  store ptr null, ptr %24, align 8, !tbaa !14
  %25 = load ptr, ptr %9, align 8, !tbaa !9
  %26 = getelementptr inbounds %struct.QuadTreeNode, ptr %25, i32 0, i32 3
  store ptr null, ptr %26, align 8, !tbaa !15
  %27 = load ptr, ptr %9, align 8, !tbaa !9
  %28 = getelementptr inbounds %struct.QuadTreeNode, ptr %27, i32 0, i32 4
  store ptr null, ptr %28, align 8, !tbaa !16
  br label %29

29:                                               ; preds = %13, %4
  %30 = load ptr, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  ret ptr %30
}

attributes #0 = { 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind allocsize(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 = { nounwind }
attributes #4 = { nounwind allocsize(0) }

!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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"QuadTreeNode", !10, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32}
!13 = !{!12, !10, i64 8}
!14 = !{!12, !10, i64 16}
!15 = !{!12, !10, i64 24}
!16 = !{!12, !10, i64 32}


; 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: nounwind uwtable
declare dso_local ptr @cell_init(float noundef, float noundef, float noundef, float noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local noalias noundef ptr @quad_tree_node_init(float noundef %0, float noundef %1, float noundef %2, float noundef %3) local_unnamed_addr #0 {
  %5 = tail call noalias dereferenceable_or_null(40) ptr @malloc(i64 noundef 40) #3
  %.not = icmp eq ptr %5, null
  br i1 %.not, label %9, label %6

6:                                                ; preds = %4
  %7 = tail call ptr @cell_init(float noundef %0, float noundef %1, float noundef %2, float noundef %3)
  store ptr %7, ptr %5, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %5, i64 8
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %8, i8 0, i64 32, i1 false)
  br label %9

9:                                                ; preds = %6, %4
  ret ptr %5
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

attributes #0 = { 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 nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { nounwind allocsize(0) }

!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, !7, i64 0}
!6 = !{!"QuadTreeNode", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass