; LLVM IR from erincatto/box2d :: src (broad_phase)

; 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.b2BroadPhase = type { [3 x %struct.b2DynamicTree], i32, %struct.b2HashSet, %struct.b2IntArray, ptr, ptr, i32, %struct.b2AtomicInt, %struct.b2HashSet }
%struct.b2DynamicTree = type { ptr, i32, i32, i32, i32, i32, ptr, ptr, ptr, ptr, i32 }
%struct.b2IntArray = type { ptr, i32, i32 }
%struct.b2AtomicInt = type { i32 }
%struct.b2HashSet = type { ptr, i32, i32 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local void @b2DestroyBroadPhase(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %15, %1
  %5 = load i32, ptr %3, align 4, !tbaa !9
  %6 = icmp slt i32 %5, 3
  br i1 %6, label %8, label %7

7:                                                ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  br label %18

8:                                                ; preds = %4
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.b2BroadPhase, ptr %9, i32 0, i32 0
  %11 = getelementptr inbounds [3 x %struct.b2DynamicTree], ptr %10, i64 0, i64 0
  %12 = load i32, ptr %3, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds %struct.b2DynamicTree, ptr %11, i64 %13
  call void @b2DynamicTree_Destroy(ptr noundef %14)
  br label %15

15:                                               ; preds = %8
  %16 = load i32, ptr %3, align 4, !tbaa !9
  %17 = add nsw i32 %16, 1
  store i32 %17, ptr %3, align 4, !tbaa !9
  br label %4, !llvm.loop !11

18:                                               ; preds = %7
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.b2BroadPhase, ptr %19, i32 0, i32 2
  call void @b2DestroySet(ptr noundef %20)
  %21 = load ptr, ptr %2, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.b2BroadPhase, ptr %21, i32 0, i32 3
  call void @b2IntArray_Destroy(ptr noundef %22)
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.b2BroadPhase, ptr %23, i32 0, i32 8
  call void @b2DestroySet(ptr noundef %24)
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  call void @llvm.memset.p0.i64(ptr align 8 %25, i8 0, i64 296, i1 false)
  ret void
}

declare void @b2DynamicTree_Destroy(ptr noundef) #2

declare void @b2DestroySet(ptr noundef) #2

declare void @b2IntArray_Destroy(ptr noundef) #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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 @b2DestroyBroadPhase(ptr noundef %0) local_unnamed_addr #0 {
  tail call void @b2DynamicTree_Destroy(ptr noundef %0) #3
  %2 = getelementptr inbounds i8, ptr %0, i64 72
  tail call void @b2DynamicTree_Destroy(ptr noundef nonnull %2) #3
  %3 = getelementptr inbounds i8, ptr %0, i64 144
  tail call void @b2DynamicTree_Destroy(ptr noundef nonnull %3) #3
  %4 = getelementptr inbounds i8, ptr %0, i64 224
  tail call void @b2DestroySet(ptr noundef nonnull %4) #3
  %5 = getelementptr inbounds i8, ptr %0, i64 240
  tail call void @b2IntArray_Destroy(ptr noundef nonnull %5) #3
  %6 = getelementptr inbounds i8, ptr %0, i64 280
  tail call void @b2DestroySet(ptr noundef nonnull %6) #3
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(296) %0, i8 0, i64 296, i1 false)
  ret void
}

declare void @b2DynamicTree_Destroy(ptr noundef) local_unnamed_addr #1

declare void @b2DestroySet(ptr noundef) local_unnamed_addr #1

declare void @b2IntArray_Destroy(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress 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 = { "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 nocallback nofree nounwind willreturn memory(argmem: write) }
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)"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass