; LLVM IR from AF-GRILL/DISPluginForUnreal :: Source/ThirdParty/include/dis6/PduContainer.ll (ZNK3DIS12PduContainereqERKS0_)

; 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.DIS::PduContainer" = type { ptr, i32, %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<DIS::Pdu, std::allocator<DIS::Pdu>>::_Vector_impl" }
%"struct.std::_Vector_base<DIS::Pdu, std::allocator<DIS::Pdu>>::_Vector_impl" = type { %"struct.std::_Vector_base<DIS::Pdu, std::allocator<DIS::Pdu>>::_Vector_impl_data" }
%"struct.std::_Vector_base<DIS::Pdu, std::allocator<DIS::Pdu>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN3DIS3PduESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(20) ptr @_ZNKSt6vectorIN3DIS3PduESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

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

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK3DIS12PduContainereqERKS0_(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef nonnull align 8 dereferenceable(40) %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i8, align 1
  %6 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #4
  store i8 1, ptr %5, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  store i64 0, ptr %6, align 8, !tbaa !11
  br label %8

8:                                                ; preds = %25, %2
  %9 = load i64, ptr %6, align 8, !tbaa !11
  %10 = getelementptr inbounds %"class.DIS::PduContainer", ptr %7, i32 0, i32 2
  %11 = call noundef i64 @_ZNKSt6vectorIN3DIS3PduESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  %12 = icmp ult i64 %9, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %28

14:                                               ; preds = %8
  %15 = getelementptr inbounds %"class.DIS::PduContainer", ptr %7, i32 0, i32 2
  %16 = load i64, ptr %6, align 8, !tbaa !11
  %17 = call noundef nonnull align 8 dereferenceable(20) ptr @_ZNKSt6vectorIN3DIS3PduESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef %16) #4
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %"class.DIS::PduContainer", ptr %18, i32 0, i32 2
  %20 = load i64, ptr %6, align 8, !tbaa !11
  %21 = call noundef nonnull align 8 dereferenceable(20) ptr @_ZNKSt6vectorIN3DIS3PduESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %20) #4
  %22 = call noundef zeroext i1 @_ZNK3DIS3PdueqERKS0_(ptr noundef nonnull align 8 dereferenceable(20) %17, ptr noundef nonnull align 8 dereferenceable(20) %21)
  br i1 %22, label %24, label %23

23:                                               ; preds = %14
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %24

24:                                               ; preds = %23, %14
  br label %25

25:                                               ; preds = %24
  %26 = load i64, ptr %6, align 8, !tbaa !11
  %27 = add i64 %26, 1
  store i64 %27, ptr %6, align 8, !tbaa !11
  br label %8, !llvm.loop !13

28:                                               ; preds = %13
  %29 = load i8, ptr %5, align 1, !tbaa !9, !range !15, !noundef !16
  %30 = trunc i8 %29 to i1
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #4
  ret i1 %30
}

declare noundef zeroext i1 @_ZNK3DIS3PdueqERKS0_(ptr noundef nonnull align 8 dereferenceable(20), ptr noundef nonnull align 8 dereferenceable(20)) #3

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 = { 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 = { "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 = { 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 = !{!"bool", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{i8 0, i8 2}
!16 = !{}


; 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 @_ZNKSt6vectorIN3DIS3PduESaIS1_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(20) ptr @_ZNKSt6vectorIN3DIS3PduESaIS1_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 @_ZNK3DIS12PduContainereqERKS0_(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef nonnull align 8 dereferenceable(40) %1) local_unnamed_addr #1 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = tail call noundef i64 @_ZNKSt6vectorIN3DIS3PduESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2
  %5 = getelementptr inbounds i8, ptr %1, i64 16
  br label %6

._crit_edge:                                      ; preds = %6, %2
  %.06.lcssa = phi i1 [ true, %2 ], [ %spec.select, %6 ]
  ret i1 %.06.lcssa

6:                                                ; preds = %.lr.ph, %6
  %.08 = phi i64 [ 0, %.lr.ph ], [ %10, %6 ]
  %.067 = phi i1 [ true, %.lr.ph ], [ %spec.select, %6 ]
  %7 = tail call noundef nonnull align 8 dereferenceable(20) ptr @_ZNKSt6vectorIN3DIS3PduESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.08) #3
  %8 = tail call noundef nonnull align 8 dereferenceable(20) ptr @_ZNKSt6vectorIN3DIS3PduESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.08) #3
  %9 = tail call noundef zeroext i1 @_ZNK3DIS3PdueqERKS0_(ptr noundef nonnull align 8 dereferenceable(20) %7, ptr noundef nonnull align 8 dereferenceable(20) %8)
  %spec.select = select i1 %9, i1 %.067, i1 false
  %10 = add nuw i64 %.08, 1
  %11 = tail call noundef i64 @_ZNKSt6vectorIN3DIS3PduESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  %12 = icmp ult i64 %10, %11
  br i1 %12, label %6, label %._crit_edge, !llvm.loop !5
}

declare noundef zeroext i1 @_ZNK3DIS3PdueqERKS0_(ptr noundef nonnull align 8 dereferenceable(20), ptr noundef nonnull align 8 dereferenceable(20)) local_unnamed_addr #2

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 = { "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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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