; LLVM IR from AF-GRILL/DISPluginForUnreal :: Source/ThirdParty/include/dis7/Environment.ll (ZNK3DIS11EnvironmenteqERKS0_)

; 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::Environment" = type { ptr, i32, i16, i8, i8 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZNK3DIS11EnvironmenteqERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) #0 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::Environment", 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::Environment", 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::Environment", ptr %6, i32 0, i32 2
  %16 = load i16, ptr %15, align 4, !tbaa !15
  %17 = zext i16 %16 to i32
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %"class.DIS::Environment", ptr %18, i32 0, i32 2
  %20 = load i16, ptr %19, align 4, !tbaa !15
  %21 = zext i16 %20 to i32
  %22 = icmp eq i32 %17, %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
  %25 = getelementptr inbounds %"class.DIS::Environment", ptr %6, i32 0, i32 3
  %26 = load i8, ptr %25, align 2, !tbaa !16
  %27 = zext i8 %26 to i32
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds %"class.DIS::Environment", ptr %28, i32 0, i32 3
  %30 = load i8, ptr %29, align 2, !tbaa !16
  %31 = zext i8 %30 to i32
  %32 = icmp eq i32 %27, %31
  br i1 %32, label %34, label %33

33:                                               ; preds = %24
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %34

34:                                               ; preds = %33, %24
  %35 = getelementptr inbounds %"class.DIS::Environment", ptr %6, i32 0, i32 4
  %36 = load i8, ptr %35, align 1, !tbaa !17
  %37 = zext i8 %36 to i32
  %38 = load ptr, ptr %4, align 8, !tbaa !5
  %39 = getelementptr inbounds %"class.DIS::Environment", ptr %38, i32 0, i32 4
  %40 = load i8, ptr %39, align 1, !tbaa !17
  %41 = zext i8 %40 to i32
  %42 = icmp eq i32 %37, %41
  br i1 %42, label %44, label %43

43:                                               ; preds = %34
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %44

44:                                               ; preds = %43, %34
  %45 = load i8, ptr %5, align 1, !tbaa !9, !range !18, !noundef !19
  %46 = trunc i8 %45 to i1
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #2
  ret i1 %46
}

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

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

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 = { 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 = !{!"_ZTSN3DIS11EnvironmentE", !13, i64 8, !14, i64 12, !7, i64 14, !7, i64 15}
!13 = !{!"int", !7, i64 0}
!14 = !{!"short", !7, i64 0}
!15 = !{!12, !14, i64 12}
!16 = !{!12, !7, i64 14}
!17 = !{!12, !7, i64 15}
!18 = !{i8 0, i8 2}
!19 = !{}


; 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 @_ZNK3DIS11EnvironmenteqERKS0_(ptr nocapture noundef nonnull readonly align 8 dereferenceable(16) %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(16) %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load i32, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %1, i64 8
  %6 = load i32, ptr %5, align 8, !tbaa !5
  %7 = icmp eq i32 %4, %6
  %8 = getelementptr inbounds i8, ptr %0, i64 12
  %9 = load i16, ptr %8, align 4, !tbaa !11
  %10 = getelementptr inbounds i8, ptr %1, i64 12
  %11 = load i16, ptr %10, align 4, !tbaa !11
  %12 = icmp eq i16 %9, %11
  %13 = getelementptr inbounds i8, ptr %0, i64 14
  %14 = load i8, ptr %13, align 2, !tbaa !12
  %15 = getelementptr inbounds i8, ptr %1, i64 14
  %16 = load i8, ptr %15, align 2, !tbaa !12
  %17 = icmp eq i8 %14, %16
  %18 = getelementptr inbounds i8, ptr %0, i64 15
  %19 = load i8, ptr %18, align 1, !tbaa !13
  %20 = getelementptr inbounds i8, ptr %1, i64 15
  %21 = load i8, ptr %20, align 1, !tbaa !13
  %22 = icmp eq i8 %19, %21
  %23 = select i1 %22, i1 %17, i1 false
  %24 = select i1 %23, i1 %12, i1 false
  %spec.select5 = select i1 %24, i1 %7, i1 false
  ret i1 %spec.select5
}

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, !7, i64 8}
!6 = !{!"_ZTSN3DIS11EnvironmentE", !7, i64 8, !10, i64 12, !8, i64 14, !8, i64 15}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"short", !8, i64 0}
!11 = !{!6, !10, i64 12}
!12 = !{!6, !8, i64 14}
!13 = !{!6, !8, i64 15}


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