; LLVM IR from AF-GRILL/DISPluginForUnreal :: Source/ThirdParty/include/dis6/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, i8, i8, i8, i8, i8, [7 x i8] }>

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZNK3DIS11EnvironmenteqERKS0_(ptr noundef nonnull align 8 dereferenceable(17) %0, ptr noundef nonnull align 8 dereferenceable(17) %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 i8, ptr %15, align 4, !tbaa !14
  %17 = zext i8 %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 i8, ptr %19, align 4, !tbaa !14
  %21 = zext i8 %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 1, !tbaa !15
  %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 1, !tbaa !15
  %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 2, !tbaa !16
  %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 2, !tbaa !16
  %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 = getelementptr inbounds %"class.DIS::Environment", ptr %6, i32 0, i32 5
  %46 = load i8, ptr %45, align 1, !tbaa !17
  %47 = zext i8 %46 to i32
  %48 = load ptr, ptr %4, align 8, !tbaa !5
  %49 = getelementptr inbounds %"class.DIS::Environment", ptr %48, i32 0, i32 5
  %50 = load i8, ptr %49, align 1, !tbaa !17
  %51 = zext i8 %50 to i32
  %52 = icmp eq i32 %47, %51
  br i1 %52, label %54, label %53

53:                                               ; preds = %44
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %54

54:                                               ; preds = %53, %44
  %55 = getelementptr inbounds %"class.DIS::Environment", ptr %6, i32 0, i32 6
  %56 = load i8, ptr %55, align 8, !tbaa !18
  %57 = zext i8 %56 to i32
  %58 = load ptr, ptr %4, align 8, !tbaa !5
  %59 = getelementptr inbounds %"class.DIS::Environment", ptr %58, i32 0, i32 6
  %60 = load i8, ptr %59, align 8, !tbaa !18
  %61 = zext i8 %60 to i32
  %62 = icmp eq i32 %57, %61
  br i1 %62, label %64, label %63

63:                                               ; preds = %54
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %64

64:                                               ; preds = %63, %54
  %65 = load i8, ptr %5, align 1, !tbaa !9, !range !19, !noundef !20
  %66 = trunc i8 %65 to i1
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #2
  ret i1 %66
}

; 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, !7, i64 12, !7, i64 13, !7, i64 14, !7, i64 15, !7, i64 16}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !7, i64 12}
!15 = !{!12, !7, i64 13}
!16 = !{!12, !7, i64 14}
!17 = !{!12, !7, i64 15}
!18 = !{!12, !7, i64 16}
!19 = !{i8 0, i8 2}
!20 = !{}


; 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(17) %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(17) %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 i8, ptr %8, align 4, !tbaa !10
  %10 = getelementptr inbounds i8, ptr %1, i64 12
  %11 = load i8, ptr %10, align 4, !tbaa !10
  %12 = icmp eq i8 %9, %11
  %13 = getelementptr inbounds i8, ptr %0, i64 13
  %14 = getelementptr inbounds i8, ptr %1, i64 13
  %15 = load <4 x i8>, ptr %13, align 1, !tbaa !11
  %16 = load <4 x i8>, ptr %14, align 1, !tbaa !11
  %17 = icmp eq <4 x i8> %15, %16
  %18 = freeze <4 x i1> %17
  %19 = bitcast <4 x i1> %18 to i4
  %20 = icmp eq i4 %19, -1
  %.fr = freeze i1 %12
  %op.rdx = and i1 %20, %.fr
  %op.rdx11 = select i1 %op.rdx, i1 %7, i1 false
  ret i1 %op.rdx11
}

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, !8, i64 12, !8, i64 13, !8, i64 14, !8, i64 15, !8, i64 16}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !8, i64 12}
!11 = !{!8, !8, i64 0}


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