; LLVM IR from mvr/jiggle :: src (Quadtree)

; 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.jgQuadtree = type { %struct.jgVector2, ptr, ptr, ptr, ptr, ptr }
%struct.jgVector2 = type { float, float }

; Function Attrs: nounwind uwtable
define dso_local void @jgQuadtreeFree(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.jgQuadtree, ptr %3, i32 0, i32 2
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %11

7:                                                ; preds = %1
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.jgQuadtree, ptr %8, i32 0, i32 2
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  call void @jgQuadtreeFree(ptr noundef %10)
  br label %11

11:                                               ; preds = %7, %1
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.jgQuadtree, ptr %12, i32 0, i32 1
  %14 = load ptr, ptr %13, align 8, !tbaa !13
  %15 = icmp ne ptr %14, null
  br i1 %15, label %16, label %20

16:                                               ; preds = %11
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.jgQuadtree, ptr %17, i32 0, i32 1
  %19 = load ptr, ptr %18, align 8, !tbaa !13
  call void @jgQuadtreeFree(ptr noundef %19)
  br label %20

20:                                               ; preds = %16, %11
  %21 = load ptr, ptr %2, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.jgQuadtree, ptr %21, i32 0, i32 4
  %23 = load ptr, ptr %22, align 8, !tbaa !14
  %24 = icmp ne ptr %23, null
  br i1 %24, label %25, label %29

25:                                               ; preds = %20
  %26 = load ptr, ptr %2, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.jgQuadtree, ptr %26, i32 0, i32 4
  %28 = load ptr, ptr %27, align 8, !tbaa !14
  call void @jgQuadtreeFree(ptr noundef %28)
  br label %29

29:                                               ; preds = %25, %20
  %30 = load ptr, ptr %2, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.jgQuadtree, ptr %30, i32 0, i32 3
  %32 = load ptr, ptr %31, align 8, !tbaa !15
  %33 = icmp ne ptr %32, null
  br i1 %33, label %34, label %38

34:                                               ; preds = %29
  %35 = load ptr, ptr %2, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.jgQuadtree, ptr %35, i32 0, i32 3
  %37 = load ptr, ptr %36, align 8, !tbaa !15
  call void @jgQuadtreeFree(ptr noundef %37)
  br label %38

38:                                               ; preds = %34, %29
  %39 = load ptr, ptr %2, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.jgQuadtree, ptr %39, i32 0, i32 5
  %41 = load ptr, ptr %40, align 8, !tbaa !16
  call void @jgListFree(ptr noundef %41)
  %42 = load ptr, ptr %2, align 8, !tbaa !5
  call void @free(ptr noundef %42) #3
  ret void
}

declare void @jgListFree(ptr noundef) #1

; Function Attrs: nounwind
declare void @free(ptr noundef) #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 = { "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 "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 }

!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/C++ TBAA"}
!9 = !{!10, !6, i64 16}
!10 = !{!"jgQuadtree", !11, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"jgVector2", !12, i64 0, !12, i64 4}
!12 = !{!"float", !7, i64 0}
!13 = !{!10, !6, i64 8}
!14 = !{!10, !6, i64 32}
!15 = !{!10, !6, i64 24}
!16 = !{!10, !6, i64 40}


; 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
define dso_local void @jgQuadtreeFree(ptr nocapture noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %5, label %4

4:                                                ; preds = %1
  tail call void @jgQuadtreeFree(ptr noundef nonnull %3)
  br label %5

5:                                                ; preds = %4, %1
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = load ptr, ptr %6, align 8, !tbaa !12
  %.not13 = icmp eq ptr %7, null
  br i1 %.not13, label %9, label %8

8:                                                ; preds = %5
  tail call void @jgQuadtreeFree(ptr noundef nonnull %7)
  br label %9

9:                                                ; preds = %8, %5
  %10 = getelementptr inbounds i8, ptr %0, i64 32
  %11 = load ptr, ptr %10, align 8, !tbaa !13
  %.not14 = icmp eq ptr %11, null
  br i1 %.not14, label %13, label %12

12:                                               ; preds = %9
  tail call void @jgQuadtreeFree(ptr noundef nonnull %11)
  br label %13

13:                                               ; preds = %12, %9
  %14 = getelementptr inbounds i8, ptr %0, i64 24
  %15 = load ptr, ptr %14, align 8, !tbaa !14
  %.not15 = icmp eq ptr %15, null
  br i1 %.not15, label %17, label %16

16:                                               ; preds = %13
  tail call void @jgQuadtreeFree(ptr noundef nonnull %15)
  br label %17

17:                                               ; preds = %16, %13
  %18 = getelementptr inbounds i8, ptr %0, i64 40
  %19 = load ptr, ptr %18, align 8, !tbaa !15
  tail call void @jgListFree(ptr noundef %19) #3
  tail call void @free(ptr noundef nonnull %0) #3
  ret void
}

declare void @jgListFree(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #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 = { "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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, 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 #3 = { 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, !11, i64 16}
!6 = !{!"jgQuadtree", !7, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !11, i64 32, !11, i64 40}
!7 = !{!"jgVector2", !8, i64 0, !8, i64 4}
!8 = !{!"float", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"any pointer", !9, i64 0}
!12 = !{!6, !11, i64 8}
!13 = !{!6, !11, i64 32}
!14 = !{!6, !11, i64 24}
!15 = !{!6, !11, i64 40}


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