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

; 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.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 }
%"class.fastjet::ClusterSequence" = type <{ ptr, %"class.fastjet::JetDefinition", %"class.std::vector", %"class.std::vector.1", i8, [3 x i8], i32, double, double, double, double, i32, i32, %"class.fastjet::SharedPtr.6", i32, i8, i8, [2 x i8], %"class.fastjet::SharedPtr.7", %"class.std::vector.8", double, double, double, double, i32, i32, i32, [4 x i8] }>
%"class.fastjet::JetDefinition" = type { i32, double, double, i32, ptr, %"class.fastjet::SharedPtr", %"class.fastjet::JetDefinition::DefaultRecombiner", ptr, %"class.fastjet::SharedPtr.0" }
%"class.fastjet::SharedPtr" = type { ptr }
%"class.fastjet::JetDefinition::DefaultRecombiner" = type <{ %"class.fastjet::JetDefinition::Recombiner", i32, [4 x i8] }>
%"class.fastjet::JetDefinition::Recombiner" = type { ptr }
%"class.fastjet::SharedPtr.0" = type { ptr }
%"class.std::vector.1" = type { %"struct.std::_Vector_base.2" }
%"struct.std::_Vector_base.2" = type { %"struct.std::_Vector_base<fastjet::ClusterSequence::history_element, std::allocator<fastjet::ClusterSequence::history_element>>::_Vector_impl" }
%"struct.std::_Vector_base<fastjet::ClusterSequence::history_element, std::allocator<fastjet::ClusterSequence::history_element>>::_Vector_impl" = type { %"struct.std::_Vector_base<fastjet::ClusterSequence::history_element, std::allocator<fastjet::ClusterSequence::history_element>>::_Vector_impl_data" }
%"struct.std::_Vector_base<fastjet::ClusterSequence::history_element, std::allocator<fastjet::ClusterSequence::history_element>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.fastjet::SharedPtr.6" = type { ptr }
%"class.fastjet::SharedPtr.7" = type { ptr }
%"class.std::vector.8" = type { %"struct.std::_Vector_base.9" }
%"struct.std::_Vector_base.9" = type { %"struct.std::_Vector_base<fastjet::ClusterSequence::Tile, std::allocator<fastjet::ClusterSequence::Tile>>::_Vector_impl" }
%"struct.std::_Vector_base<fastjet::ClusterSequence::Tile, std::allocator<fastjet::ClusterSequence::Tile>>::_Vector_impl" = type { %"struct.std::_Vector_base<fastjet::ClusterSequence::Tile, std::allocator<fastjet::ClusterSequence::Tile>>::_Vector_impl_data" }
%"struct.std::_Vector_base<fastjet::ClusterSequence::Tile, std::allocator<fastjet::ClusterSequence::Tile>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.fastjet::ClusterSequence::history_element" = type { i32, i32, i32, i32, double, double }

declare i32 @__gxx_personality_v0(...)

; 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 void @_ZNSt6vectorIN7fastjet9PseudoJetESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #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 nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN7fastjet15ClusterSequence15history_elementESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN7fastjet9PseudoJetESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorIN7fastjet15ClusterSequence15history_elementESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN7fastjet9PseudoJetESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(88)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK7fastjet15ClusterSequence20childless_pseudojetsEv(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(276) %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i1, align 1
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %4, align 8
  store i1 false, ptr %5, align 1
  call void @_ZNSt6vectorIN7fastjet9PseudoJetESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %49, %2
  %11 = load i32, ptr %6, align 4, !tbaa !9
  %12 = zext i32 %11 to i64
  %13 = getelementptr inbounds %"class.fastjet::ClusterSequence", ptr %9, i32 0, i32 3
  %14 = call noundef i64 @_ZNKSt6vectorIN7fastjet15ClusterSequence15history_elementESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  %15 = icmp ult i64 %12, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %52

17:                                               ; preds = %10
  %18 = getelementptr inbounds %"class.fastjet::ClusterSequence", ptr %9, i32 0, i32 3
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = zext i32 %19 to i64
  %21 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorIN7fastjet15ClusterSequence15history_elementESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef %20) #3
  %22 = getelementptr inbounds %"struct.fastjet::ClusterSequence::history_element", ptr %21, i32 0, i32 2
  %23 = load i32, ptr %22, align 8, !tbaa !11
  %24 = icmp eq i32 %23, -3
  br i1 %24, label %25, label %48

25:                                               ; preds = %17
  %26 = getelementptr inbounds %"class.fastjet::ClusterSequence", ptr %9, i32 0, i32 3
  %27 = load i32, ptr %6, align 4, !tbaa !9
  %28 = zext i32 %27 to i64
  %29 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorIN7fastjet15ClusterSequence15history_elementESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %26, i64 noundef %28) #3
  %30 = getelementptr inbounds %"struct.fastjet::ClusterSequence::history_element", ptr %29, i32 0, i32 1
  %31 = load i32, ptr %30, align 4, !tbaa !14
  %32 = icmp ne i32 %31, -1
  br i1 %32, label %33, label %48

33:                                               ; preds = %25
  %34 = getelementptr inbounds %"class.fastjet::ClusterSequence", ptr %9, i32 0, i32 2
  %35 = getelementptr inbounds %"class.fastjet::ClusterSequence", ptr %9, i32 0, i32 3
  %36 = load i32, ptr %6, align 4, !tbaa !9
  %37 = zext i32 %36 to i64
  %38 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorIN7fastjet15ClusterSequence15history_elementESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %35, i64 noundef %37) #3
  %39 = getelementptr inbounds %"struct.fastjet::ClusterSequence::history_element", ptr %38, i32 0, i32 3
  %40 = load i32, ptr %39, align 4, !tbaa !15
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 8 dereferenceable(88) ptr @_ZNKSt6vectorIN7fastjet9PseudoJetESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %34, i64 noundef %41) #3
  invoke void @_ZNSt6vectorIN7fastjet9PseudoJetESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(88) %42)
          to label %43 unwind label %44

43:                                               ; preds = %33
  br label %48

44:                                               ; preds = %33
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %7, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @_ZNSt6vectorIN7fastjet9PseudoJetESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %56

48:                                               ; preds = %43, %25, %17
  br label %49

49:                                               ; preds = %48
  %50 = load i32, ptr %6, align 4, !tbaa !9
  %51 = add i32 %50, 1
  store i32 %51, ptr %6, align 4, !tbaa !9
  br label %10, !llvm.loop !16

52:                                               ; preds = %16
  store i1 true, ptr %5, align 1
  %53 = load i1, ptr %5, align 1
  br i1 %53, label %55, label %54

54:                                               ; preds = %52
  call void @_ZNSt6vectorIN7fastjet9PseudoJetESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %55

55:                                               ; preds = %54, %52
  ret void

56:                                               ; preds = %44
  %57 = load ptr, ptr %7, align 8
  %58 = load i32, ptr %8, align 4
  %59 = insertvalue { ptr, i32 } poison, ptr %57, 0
  %60 = insertvalue { ptr, i32 } %59, i32 %58, 1
  resume { ptr, i32 } %60
}

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, !10, i64 8}
!12 = !{!"_ZTSN7fastjet15ClusterSequence15history_elementE", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !13, i64 16, !13, i64 24}
!13 = !{!"double", !7, i64 0}
!14 = !{!12, !10, i64 4}
!15 = !{!12, !10, i64 12}
!16 = distinct !{!16, !17}
!17 = !{!"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"

%"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 }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN7fastjet9PseudoJetESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN7fastjet15ClusterSequence15history_elementESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN7fastjet9PseudoJetESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorIN7fastjet15ClusterSequence15history_elementESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN7fastjet9PseudoJetESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(88)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK7fastjet15ClusterSequence20childless_pseudojetsEv(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(276) %1) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZNSt6vectorIN7fastjet9PseudoJetESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  %3 = getelementptr inbounds i8, ptr %1, i64 112
  %4 = tail call noundef i64 @_ZNKSt6vectorIN7fastjet15ClusterSequence15history_elementESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  %.not10 = icmp eq i64 %4, 0
  br i1 %.not10, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2
  %5 = getelementptr inbounds i8, ptr %1, i64 88
  br label %6

6:                                                ; preds = %.lr.ph, %24
  %7 = phi i64 [ 0, %.lr.ph ], [ %26, %24 ]
  %.09 = phi i32 [ 0, %.lr.ph ], [ %25, %24 ]
  %8 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorIN7fastjet15ClusterSequence15history_elementESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %7) #2
  %9 = getelementptr inbounds i8, ptr %8, i64 8
  %10 = load i32, ptr %9, align 8, !tbaa !5
  %11 = icmp eq i32 %10, -3
  br i1 %11, label %12, label %24

12:                                               ; preds = %6
  %13 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorIN7fastjet15ClusterSequence15history_elementESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %7) #2
  %14 = getelementptr inbounds i8, ptr %13, i64 4
  %15 = load i32, ptr %14, align 4, !tbaa !11
  %.not = icmp eq i32 %15, -1
  br i1 %.not, label %24, label %16

16:                                               ; preds = %12
  %17 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorIN7fastjet15ClusterSequence15history_elementESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %7) #2
  %18 = getelementptr inbounds i8, ptr %17, i64 12
  %19 = load i32, ptr %18, align 4, !tbaa !12
  %20 = sext i32 %19 to i64
  %21 = tail call noundef nonnull align 8 dereferenceable(88) ptr @_ZNKSt6vectorIN7fastjet9PseudoJetESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %20) #2
  invoke void @_ZNSt6vectorIN7fastjet9PseudoJetESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(88) %21)
          to label %24 unwind label %22

22:                                               ; preds = %16
  %23 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZNSt6vectorIN7fastjet9PseudoJetESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  resume { ptr, i32 } %23

24:                                               ; preds = %6, %12, %16
  %25 = add i32 %.09, 1
  %26 = zext i32 %25 to i64
  %27 = tail call noundef i64 @_ZNKSt6vectorIN7fastjet15ClusterSequence15history_elementESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  %28 = icmp ugt i64 %27, %26
  br i1 %28, label %6, label %._crit_edge, !llvm.loop !13

._crit_edge:                                      ; preds = %24, %2
  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" }
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 = !{!6, !7, i64 8}
!6 = !{!"_ZTSN7fastjet15ClusterSequence15history_elementE", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !10, i64 16, !10, i64 24}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"double", !8, i64 0}
!11 = !{!6, !7, i64 4}
!12 = !{!6, !7, i64 12}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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