; LLVM IR from AF-GRILL/DISPluginForUnreal :: Source/ThirdParty/include/dis7/VariableDatum.ll (ZNK3DIS13VariableDatumeqERKS0_)

; 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::VariableDatum" = type { ptr, i32, i32, i32, i32, %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<DIS::EightByteChunk, std::allocator<DIS::EightByteChunk>>::_Vector_impl" }
%"struct.std::_Vector_base<DIS::EightByteChunk, std::allocator<DIS::EightByteChunk>>::_Vector_impl" = type { %"struct.std::_Vector_base<DIS::EightByteChunk, std::allocator<DIS::EightByteChunk>>::_Vector_impl_data" }
%"struct.std::_Vector_base<DIS::EightByteChunk, std::allocator<DIS::EightByteChunk>>::_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
define dso_local noundef zeroext i1 @_ZNK3DIS13VariableDatumeqERKS0_(ptr noundef nonnull align 8 dereferenceable(48) %0, ptr noundef nonnull align 8 dereferenceable(48) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i8, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #2
  store i8 1, ptr %5, align 1, !tbaa !9
  %7 = getelementptr inbounds %"class.DIS::VariableDatum", ptr %6, i32 0, i32 1
  %8 = load i32, ptr %7, align 8, !tbaa !11
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = getelementptr inbounds %"class.DIS::VariableDatum", ptr %9, i32 0, i32 1
  %11 = load i32, ptr %10, align 8, !tbaa !11
  %12 = icmp eq i32 %8, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %2
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %14

14:                                               ; preds = %13, %2
  %15 = getelementptr inbounds %"class.DIS::VariableDatum", ptr %6, i32 0, i32 2
  %16 = load i32, ptr %15, align 4, !tbaa !18
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %"class.DIS::VariableDatum", ptr %17, i32 0, i32 2
  %19 = load i32, ptr %18, align 4, !tbaa !18
  %20 = icmp eq i32 %16, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %14
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %22

22:                                               ; preds = %21, %14
  %23 = getelementptr inbounds %"class.DIS::VariableDatum", ptr %6, i32 0, i32 3
  %24 = load i32, ptr %23, align 8, !tbaa !19
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %"class.DIS::VariableDatum", ptr %25, i32 0, i32 3
  %27 = load i32, ptr %26, align 8, !tbaa !19
  %28 = icmp eq i32 %24, %27
  br i1 %28, label %30, label %29

29:                                               ; preds = %22
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %30

30:                                               ; preds = %29, %22
  %31 = getelementptr inbounds %"class.DIS::VariableDatum", ptr %6, i32 0, i32 4
  %32 = load i32, ptr %31, align 4, !tbaa !20
  %33 = load ptr, ptr %4, align 8, !tbaa !5
  %34 = getelementptr inbounds %"class.DIS::VariableDatum", ptr %33, i32 0, i32 4
  %35 = load i32, ptr %34, align 4, !tbaa !20
  %36 = icmp eq i32 %32, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %30
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %38

38:                                               ; preds = %37, %30
  %39 = load i8, ptr %5, align 1, !tbaa !9, !range !21, !noundef !22
  %40 = trunc i8 %39 to i1
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #2
  ret i1 %40
}

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 = !{!"bool", !7, i64 0}
!11 = !{!12, !13, i64 8}
!12 = !{!"_ZTSN3DIS13VariableDatumE", !13, i64 8, !13, i64 12, !13, i64 16, !13, i64 20, !14, i64 24}
!13 = !{!"int", !7, i64 0}
!14 = !{!"_ZTSSt6vectorIN3DIS14EightByteChunkESaIS1_EE", !15, i64 0}
!15 = !{!"_ZTSSt12_Vector_baseIN3DIS14EightByteChunkESaIS1_EE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseIN3DIS14EightByteChunkESaIS1_EE12_Vector_implE", !17, i64 0}
!17 = !{!"_ZTSNSt12_Vector_baseIN3DIS14EightByteChunkESaIS1_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!18 = !{!12, !13, i64 12}
!19 = !{!12, !13, i64 16}
!20 = !{!12, !13, i64 20}
!21 = !{i8 0, i8 2}
!22 = !{}


; 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 nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local noundef zeroext i1 @_ZNK3DIS13VariableDatumeqERKS0_(ptr nocapture noundef nonnull readonly align 8 dereferenceable(48) %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(48) %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = getelementptr inbounds i8, ptr %1, i64 8
  %5 = load <4 x i32>, ptr %3, align 8, !tbaa !5
  %6 = load <4 x i32>, ptr %4, align 8, !tbaa !5
  %7 = icmp eq <4 x i32> %5, %6
  %8 = freeze <4 x i1> %7
  %9 = bitcast <4 x i1> %8 to i4
  %10 = icmp eq i4 %9, -1
  ret i1 %10
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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" }

!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"}


; Effective O3 passes: GlobalDCEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass