; LLVM IR from FidoProject/Fido :: src/NeuralNet.ll (ZN3net9NeuralNetC2EPSt14basic_ifstreamIcSt11char_traitsIcEE)

; 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::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 }
%"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 }

@.str = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [68 x i8], align 1
@__PRETTY_FUNCTION__._ZN3net9NeuralNetC2EPSt14basic_ifstreamIcSt11char_traitsIcEE = external hidden unnamed_addr constant [43 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN3net5LayerESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3net5LayerD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN3net5LayerESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3net9NeuralNetC2EPSt14basic_ifstreamIcSt11char_traitsIcEE(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef %1) unnamed_addr #3 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %"class.net::Layer", align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %10 = load ptr, ptr %3, align 8
  %11 = getelementptr inbounds %"class.net::NeuralNet", ptr %10, i32 0, i32 0
  call void @_ZNSt6vectorIN3net5LayerESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = invoke noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256) %12)
          to label %14 unwind label %17

14:                                               ; preds = %2
  br i1 %13, label %15, label %16

15:                                               ; preds = %14
  br label %22

16:                                               ; preds = %14
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 51, ptr noundef @__PRETTY_FUNCTION__._ZN3net9NeuralNetC2EPSt14basic_ifstreamIcSt11char_traitsIcEE) #7
  unreachable

17:                                               ; preds = %2
  %18 = landingpad { ptr, i32 }
          cleanup
  %19 = extractvalue { ptr, i32 } %18, 0
  store ptr %19, ptr %5, align 8
  %20 = extractvalue { ptr, i32 } %18, 1
  store i32 %20, ptr %6, align 4
  br label %54

21:                                               ; No predecessors!
  br label %22

22:                                               ; preds = %21, %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %23, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %25 unwind label %31

25:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %26

26:                                               ; preds = %40, %25
  %27 = load i32, ptr %8, align 4, !tbaa !9
  %28 = load i32, ptr %7, align 4, !tbaa !9
  %29 = icmp ult i32 %27, %28
  br i1 %29, label %35, label %30

30:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %52

31:                                               ; preds = %22
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %5, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %6, align 4
  br label %53

35:                                               ; preds = %26
  %36 = getelementptr inbounds %"class.net::NeuralNet", ptr %10, i32 0, i32 0
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #6
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  invoke void @_ZN3net5LayerC1EPSt14basic_ifstreamIcSt11char_traitsIcEE(ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef %37)
          to label %38 unwind label %43

38:                                               ; preds = %35
  invoke void @_ZNSt6vectorIN3net5LayerESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %36, ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %39 unwind label %47

39:                                               ; preds = %38
  call void @_ZN3net5LayerD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #6
  br label %40

40:                                               ; preds = %39
  %41 = load i32, ptr %8, align 4, !tbaa !9
  %42 = add i32 %41, 1
  store i32 %42, ptr %8, align 4, !tbaa !9
  br label %26, !llvm.loop !11

43:                                               ; preds = %35
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %5, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %6, align 4
  br label %51

47:                                               ; preds = %38
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %5, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %6, align 4
  call void @_ZN3net5LayerD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #6
  br label %51

51:                                               ; preds = %47, %43
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %53

52:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  ret void

53:                                               ; preds = %51, %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %54

54:                                               ; preds = %53, %17
  call void @_ZNSt6vectorIN3net5LayerESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  br label %55

55:                                               ; preds = %54
  %56 = load ptr, ptr %5, align 8
  %57 = load i32, ptr %6, align 4
  %58 = insertvalue { ptr, i32 } poison, ptr %56, 0
  %59 = insertvalue { ptr, i32 } %58, i32 %57, 1
  resume { ptr, i32 } %59
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256)) #0 align 2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #4

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN3net5LayerESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

declare void @_ZN3net5LayerC1EPSt14basic_ifstreamIcSt11char_traitsIcEE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) unnamed_addr #5

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { inlinehint 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 #3 = { 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 #4 = { noreturn 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 #5 = { "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 #6 = { nounwind }
attributes #7 = { noreturn 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"}


; 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.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 }

@.str = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [68 x i8], align 1
@__PRETTY_FUNCTION__._ZN3net9NeuralNetC2EPSt14basic_ifstreamIcSt11char_traitsIcEE = external hidden unnamed_addr constant [43 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN3net5LayerESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3net5LayerD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN3net5LayerESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3net9NeuralNetC2EPSt14basic_ifstreamIcSt11char_traitsIcEE(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef %1) unnamed_addr #3 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca %"class.net::Layer", align 8
  tail call void @_ZNSt6vectorIN3net5LayerESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #6
  %5 = tail call noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256) %1)
  br i1 %5, label %7, label %6

6:                                                ; preds = %2
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 51, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN3net9NeuralNetC2EPSt14basic_ifstreamIcSt11char_traitsIcEE) #7
  unreachable

7:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  %8 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %.preheader unwind label %10

.preheader:                                       ; preds = %7
  %9 = load i32, ptr %3, align 4, !tbaa !5
  %.not = icmp eq i32 %9, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %13, %.preheader
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  ret void

10:                                               ; preds = %7
  %11 = landingpad { ptr, i32 }
          cleanup
  br label %22

.lr.ph:                                           ; preds = %.preheader, %13
  %.012 = phi i32 [ %14, %13 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #6
  invoke void @_ZN3net5LayerC1EPSt14basic_ifstreamIcSt11char_traitsIcEE(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull %1)
          to label %12 unwind label %17

12:                                               ; preds = %.lr.ph
  invoke void @_ZNSt6vectorIN3net5LayerESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %13 unwind label %19

13:                                               ; preds = %12
  call void @_ZN3net5LayerD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #6
  %14 = add nuw i32 %.012, 1
  %15 = load i32, ptr %3, align 4, !tbaa !5
  %16 = icmp ult i32 %14, %15
  br i1 %16, label %.lr.ph, label %._crit_edge, !llvm.loop !9

17:                                               ; preds = %.lr.ph
  %18 = landingpad { ptr, i32 }
          cleanup
  br label %21

19:                                               ; preds = %12
  %20 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN3net5LayerD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  br label %21

21:                                               ; preds = %19, %17
  %.pn = phi { ptr, i32 } [ %20, %19 ], [ %18, %17 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #6
  br label %22

22:                                               ; preds = %21, %10
  %.pn.pn = phi { ptr, i32 } [ %.pn, %21 ], [ %11, %10 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @_ZNSt6vectorIN3net5LayerESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #6
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256)) local_unnamed_addr #0 align 2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #4

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN3net5LayerESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

declare void @_ZN3net5LayerC1EPSt14basic_ifstreamIcSt11char_traitsIcEE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) unnamed_addr #5

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { inlinehint 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 #3 = { 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 #4 = { noreturn 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 #5 = { "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 #6 = { nounwind }
attributes #7 = { noreturn 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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