; LLVM IR from mickypaganini/SSI2016-jet-clustering :: spartyjet-4.0.2_mac/External/fastjet-3.0.0/plugins/SISCone/siscone/siscone/qua_61f2e959 (ZN7siscone9CquadtreeC2Ev)

; 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.siscone::Cquadtree" = type <{ double, double, double, double, ptr, [2 x [2 x ptr]], i8, [7 x i8] }>

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN7siscone9CquadtreeC2Ev(ptr noundef nonnull align 8 dereferenceable(73) %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.siscone::Cquadtree", ptr %3, i32 0, i32 4
  store ptr null, ptr %4, align 8, !tbaa !9
  %5 = getelementptr inbounds %"class.siscone::Cquadtree", ptr %3, i32 0, i32 5
  %6 = getelementptr inbounds [2 x [2 x ptr]], ptr %5, i64 0, i64 1
  %7 = getelementptr inbounds [2 x ptr], ptr %6, i64 0, i64 1
  store ptr null, ptr %7, align 8, !tbaa !5
  %8 = getelementptr inbounds %"class.siscone::Cquadtree", ptr %3, i32 0, i32 5
  %9 = getelementptr inbounds [2 x [2 x ptr]], ptr %8, i64 0, i64 1
  %10 = getelementptr inbounds [2 x ptr], ptr %9, i64 0, i64 0
  store ptr null, ptr %10, align 8, !tbaa !5
  %11 = getelementptr inbounds %"class.siscone::Cquadtree", ptr %3, i32 0, i32 5
  %12 = getelementptr inbounds [2 x [2 x ptr]], ptr %11, i64 0, i64 0
  %13 = getelementptr inbounds [2 x ptr], ptr %12, i64 0, i64 1
  store ptr null, ptr %13, align 8, !tbaa !5
  %14 = getelementptr inbounds %"class.siscone::Cquadtree", ptr %3, i32 0, i32 5
  %15 = getelementptr inbounds [2 x [2 x ptr]], ptr %14, i64 0, i64 0
  %16 = getelementptr inbounds [2 x ptr], ptr %15, i64 0, i64 0
  store ptr null, ptr %16, align 8, !tbaa !5
  %17 = getelementptr inbounds %"class.siscone::Cquadtree", ptr %3, i32 0, i32 6
  store i8 0, ptr %17, align 8, !tbaa !13
  ret void
}

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" }

!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 32}
!10 = !{!"_ZTSN7siscone9CquadtreeE", !11, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !6, i64 32, !7, i64 40, !12, i64 72}
!11 = !{!"double", !7, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!10, !12, i64 72}


; 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: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @_ZN7siscone9CquadtreeC2Ev(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(73) %0) unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 32
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(41) %2, i8 0, i64 41, i1 false)
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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 nounwind willreturn memory(argmem: write) }

!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)"}


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