; LLVM IR from mickypaganini/SSI2016-jet-clustering :: spartyjet-4.0.2_mac/External/fastjet-3.0.0/src (CompositeJetStructure)

; 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.fastjet::CompositeJetStructure" = type { %"class.fastjet::PseudoJetStructureBase", %"class.std::vector", ptr }
%"class.fastjet::PseudoJetStructureBase" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<fastjet::PseudoJet, std::allocator<fastjet::PseudoJet>>::_Vector_impl" }
%"struct.std::_Vector_base<fastjet::PseudoJet, std::allocator<fastjet::PseudoJet>>::_Vector_impl" = type { %"struct.std::_Vector_base<fastjet::PseudoJet, std::allocator<fastjet::PseudoJet>>::_Vector_impl_data" }
%"struct.std::_Vector_base<fastjet::PseudoJet, std::allocator<fastjet::PseudoJet>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; 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: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN7fastjet9PseudoJetESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(88) ptr @_ZNKSt6vectorIN7fastjet9PseudoJetESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK7fastjet21CompositeJetStructure13is_pure_ghostERKNS_9PseudoJetE(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef nonnull align 8 dereferenceable(88) %1) unnamed_addr #2 align 2 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %8 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %9

9:                                                ; preds = %27, %2
  %10 = load i32, ptr %6, align 4, !tbaa !9
  %11 = zext i32 %10 to i64
  %12 = getelementptr inbounds %"class.fastjet::CompositeJetStructure", ptr %8, i32 0, i32 1
  %13 = call noundef i64 @_ZNKSt6vectorIN7fastjet9PseudoJetESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #3
  %14 = icmp ult i64 %11, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %9
  store i32 2, ptr %7, align 4
  br label %30

16:                                               ; preds = %9
  %17 = getelementptr inbounds %"class.fastjet::CompositeJetStructure", ptr %8, i32 0, i32 1
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = zext i32 %18 to i64
  %20 = call noundef nonnull align 8 dereferenceable(88) ptr @_ZNKSt6vectorIN7fastjet9PseudoJetESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %19) #3
  %21 = load ptr, ptr %20, align 8, !tbaa !11
  %22 = getelementptr inbounds ptr, ptr %21, i64 16
  %23 = load ptr, ptr %22, align 8
  %24 = call noundef zeroext i1 %23(ptr noundef nonnull align 8 dereferenceable(88) %20)
  br i1 %24, label %26, label %25

25:                                               ; preds = %16
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %30

26:                                               ; preds = %16
  br label %27

27:                                               ; preds = %26
  %28 = load i32, ptr %6, align 4, !tbaa !9
  %29 = add i32 %28, 1
  store i32 %29, ptr %6, align 4, !tbaa !9
  br label %9, !llvm.loop !13

30:                                               ; preds = %25, %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %31 = load i32, ptr %7, align 4
  switch i32 %31, label %35 [
    i32 2, label %32
    i32 1, label %33
  ]

32:                                               ; preds = %30
  store i1 true, ptr %3, align 1
  br label %33

33:                                               ; preds = %32, %30
  %34 = load i1, ptr %3, align 1
  ret i1 %34

35:                                               ; preds = %30
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
attributes #2 = { 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" }
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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN7fastjet9PseudoJetESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(88) ptr @_ZNKSt6vectorIN7fastjet9PseudoJetESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK7fastjet21CompositeJetStructure13is_pure_ghostERKNS_9PseudoJetE(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr nocapture noundef nonnull readnone align 8 dereferenceable(88) %1) unnamed_addr #1 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = tail call noundef i64 @_ZNKSt6vectorIN7fastjet9PseudoJetESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  %5 = icmp eq i64 %4, 0
  br i1 %5, label %._crit_edge, label %.lr.ph

6:                                                ; preds = %.lr.ph
  %7 = add i32 %.058, 1
  %8 = zext i32 %7 to i64
  %9 = tail call noundef i64 @_ZNKSt6vectorIN7fastjet9PseudoJetESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  %.not = icmp ugt i64 %9, %8
  br i1 %.not, label %.lr.ph, label %._crit_edge, !llvm.loop !5

.lr.ph:                                           ; preds = %2, %6
  %10 = phi i64 [ %8, %6 ], [ 0, %2 ]
  %.058 = phi i32 [ %7, %6 ], [ 0, %2 ]
  %11 = tail call noundef nonnull align 8 dereferenceable(88) ptr @_ZNKSt6vectorIN7fastjet9PseudoJetESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %10) #2
  %12 = load ptr, ptr %11, align 8, !tbaa !7
  %13 = getelementptr inbounds i8, ptr %12, i64 128
  %14 = load ptr, ptr %13, align 8
  %15 = tail call noundef zeroext i1 %14(ptr noundef nonnull align 8 dereferenceable(88) %11)
  br i1 %15, label %6, label %._crit_edge

._crit_edge:                                      ; preds = %6, %.lr.ph, %2
  %.lcssa = phi i1 [ true, %2 ], [ %15, %.lr.ph ], [ %15, %6 ]
  ret i1 %.lcssa
}

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" }
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" }
attributes #2 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"vtable pointer", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass