; LLVM IR from FidoProject/Fido :: src/NeuralNet.ll (ZN3net9NeuralNet21numberOfHiddenNeuronsEv)

; 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.net::NeuralNet" = type { %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<net::Layer, std::allocator<net::Layer>>::_Vector_impl" }
%"struct.std::_Vector_base<net::Layer, std::allocator<net::Layer>>::_Vector_impl" = type { %"struct.std::_Vector_base<net::Layer, std::allocator<net::Layer>>::_Vector_impl_data" }
%"struct.std::_Vector_base<net::Layer, std::allocator<net::Layer>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.net::Layer" = type { ptr, %"class.std::vector.3" }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<net::Neuron, std::allocator<net::Neuron>>::_Vector_impl" }
%"struct.std::_Vector_base<net::Neuron, std::allocator<net::Neuron>>::_Vector_impl" = type { %"struct.std::_Vector_base<net::Neuron, std::allocator<net::Neuron>>::_Vector_impl_data" }
%"struct.std::_Vector_base<net::Neuron, std::allocator<net::Neuron>>::_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 @_ZNKSt6vectorIN3net5LayerESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorIN3net5LayerESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN3net6NeuronESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN3net9NeuralNet21numberOfHiddenNeuronsEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  store i32 0, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #2
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %8

8:                                                ; preds = %35, %1
  %9 = load i32, ptr %4, align 4, !tbaa !9
  %10 = zext i32 %9 to i64
  %11 = getelementptr inbounds %"class.net::NeuralNet", ptr %7, i32 0, i32 0
  %12 = call noundef i64 @_ZNKSt6vectorIN3net5LayerESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #2
  %13 = sub i64 %12, 1
  %14 = icmp ult i64 %10, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %8
  store i32 2, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #2
  br label %38

16:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %31, %16
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = zext i32 %18 to i64
  %20 = getelementptr inbounds %"class.net::NeuralNet", ptr %7, i32 0, i32 0
  %21 = load i32, ptr %4, align 4, !tbaa !9
  %22 = zext i32 %21 to i64
  %23 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorIN3net5LayerESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %20, i64 noundef %22) #2
  %24 = getelementptr inbounds %"class.net::Layer", ptr %23, i32 0, i32 1
  %25 = call noundef i64 @_ZNKSt6vectorIN3net6NeuronESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %24) #2
  %26 = icmp ult i64 %19, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %17
  store i32 5, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  br label %34

28:                                               ; preds = %17
  %29 = load i32, ptr %3, align 4, !tbaa !9
  %30 = add i32 %29, 1
  store i32 %30, ptr %3, align 4, !tbaa !9
  br label %31

31:                                               ; preds = %28
  %32 = load i32, ptr %6, align 4, !tbaa !9
  %33 = add i32 %32, 1
  store i32 %33, ptr %6, align 4, !tbaa !9
  br label %17, !llvm.loop !11

34:                                               ; preds = %27
  br label %35

35:                                               ; preds = %34
  %36 = load i32, ptr %4, align 4, !tbaa !9
  %37 = add i32 %36, 1
  store i32 %37, ptr %4, align 4, !tbaa !9
  br label %8, !llvm.loop !13

38:                                               ; preds = %15
  %39 = load i32, ptr %3, align 4, !tbaa !9
  store i32 1, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  ret i32 %39
}

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 = { 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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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 @_ZNKSt6vectorIN3net5LayerESaIS1_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(32) ptr @_ZNSt6vectorIN3net5LayerESaIS1_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 @_ZNKSt6vectorIN3net6NeuronESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN3net9NeuralNet21numberOfHiddenNeuronsEv(ptr noundef nonnull align 8 dereferenceable(24) %0) local_unnamed_addr #0 align 2 {
  %2 = tail call noundef i64 @_ZNKSt6vectorIN3net5LayerESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #1
  %.not = icmp eq i64 %2, 1
  br i1 %.not, label %._crit_edge14, label %.preheader

.preheader:                                       ; preds = %1, %._crit_edge
  %3 = phi i64 [ %8, %._crit_edge ], [ 0, %1 ]
  %.0713 = phi i32 [ %7, %._crit_edge ], [ 0, %1 ]
  %.0812 = phi i32 [ %.1.lcssa, %._crit_edge ], [ 0, %1 ]
  %4 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorIN3net5LayerESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %3) #1
  %5 = getelementptr inbounds i8, ptr %4, i64 8
  %6 = tail call noundef i64 @_ZNKSt6vectorIN3net6NeuronESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #1
  %.not16 = icmp eq i64 %6, 0
  br i1 %.not16, label %._crit_edge, label %.lr.ph

._crit_edge14:                                    ; preds = %._crit_edge, %1
  %.08.lcssa = phi i32 [ 0, %1 ], [ %.1.lcssa, %._crit_edge ]
  ret i32 %.08.lcssa

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %.1.lcssa = phi i32 [ %.0812, %.preheader ], [ %12, %.lr.ph ]
  %7 = add i32 %.0713, 1
  %8 = zext i32 %7 to i64
  %9 = tail call noundef i64 @_ZNKSt6vectorIN3net5LayerESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #1
  %10 = add i64 %9, -1
  %11 = icmp ugt i64 %10, %8
  br i1 %11, label %.preheader, label %._crit_edge14, !llvm.loop !5

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.011 = phi i32 [ %13, %.lr.ph ], [ 0, %.preheader ]
  %.110 = phi i32 [ %12, %.lr.ph ], [ %.0812, %.preheader ]
  %12 = add i32 %.110, 1
  %13 = add i32 %.011, 1
  %14 = zext i32 %13 to i64
  %15 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorIN3net5LayerESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %3) #1
  %16 = getelementptr inbounds i8, ptr %15, i64 8
  %17 = tail call noundef i64 @_ZNKSt6vectorIN3net6NeuronESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #1
  %18 = icmp ugt i64 %17, %14
  br i1 %18, label %.lr.ph, label %._crit_edge, !llvm.loop !7
}

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 = { 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 = distinct !{!7, !6}


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