; LLVM IR from AF-GRILL/DISPluginForUnreal :: Source/ThirdParty/include/dis7/VariableParameter.ll (ZNK3DIS17VariableParametereqERKS0_)

; 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::VariableParameter" = type <{ ptr, i8, [7 x i8], double, i32, i16, i8, i8 }>

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZNK3DIS17VariableParametereqERKS0_(ptr noundef nonnull align 8 dereferenceable(31) %0, ptr noundef nonnull align 8 dereferenceable(31) %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::VariableParameter", ptr %6, i32 0, i32 1
  %8 = load i8, ptr %7, align 8, !tbaa !11
  %9 = zext i8 %8 to i32
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %"class.DIS::VariableParameter", ptr %10, i32 0, i32 1
  %12 = load i8, ptr %11, align 8, !tbaa !11
  %13 = zext i8 %12 to i32
  %14 = icmp eq i32 %9, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %2
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %16

16:                                               ; preds = %15, %2
  %17 = getelementptr inbounds %"class.DIS::VariableParameter", ptr %6, i32 0, i32 3
  %18 = load double, ptr %17, align 8, !tbaa !16
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %"class.DIS::VariableParameter", ptr %19, i32 0, i32 3
  %21 = load double, ptr %20, align 8, !tbaa !16
  %22 = fcmp oeq double %18, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %16
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %24

24:                                               ; preds = %23, %16
  %25 = getelementptr inbounds %"class.DIS::VariableParameter", ptr %6, i32 0, i32 4
  %26 = load i32, ptr %25, align 8, !tbaa !17
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = getelementptr inbounds %"class.DIS::VariableParameter", ptr %27, i32 0, i32 4
  %29 = load i32, ptr %28, align 8, !tbaa !17
  %30 = icmp eq i32 %26, %29
  br i1 %30, label %32, label %31

31:                                               ; preds = %24
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %32

32:                                               ; preds = %31, %24
  %33 = getelementptr inbounds %"class.DIS::VariableParameter", ptr %6, i32 0, i32 5
  %34 = load i16, ptr %33, align 4, !tbaa !18
  %35 = zext i16 %34 to i32
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = getelementptr inbounds %"class.DIS::VariableParameter", ptr %36, i32 0, i32 5
  %38 = load i16, ptr %37, align 4, !tbaa !18
  %39 = zext i16 %38 to i32
  %40 = icmp eq i32 %35, %39
  br i1 %40, label %42, label %41

41:                                               ; preds = %32
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %42

42:                                               ; preds = %41, %32
  %43 = getelementptr inbounds %"class.DIS::VariableParameter", ptr %6, i32 0, i32 6
  %44 = load i8, ptr %43, align 2, !tbaa !19
  %45 = zext i8 %44 to i32
  %46 = load ptr, ptr %4, align 8, !tbaa !5
  %47 = getelementptr inbounds %"class.DIS::VariableParameter", ptr %46, i32 0, i32 6
  %48 = load i8, ptr %47, align 2, !tbaa !19
  %49 = zext i8 %48 to i32
  %50 = icmp eq i32 %45, %49
  br i1 %50, label %52, label %51

51:                                               ; preds = %42
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %52

52:                                               ; preds = %51, %42
  %53 = load i8, ptr %5, align 1, !tbaa !9, !range !20, !noundef !21
  %54 = trunc i8 %53 to i1
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #2
  ret i1 %54
}

; 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, !7, i64 8}
!12 = !{!"_ZTSN3DIS17VariableParameterE", !7, i64 8, !13, i64 16, !14, i64 24, !15, i64 28, !7, i64 30}
!13 = !{!"double", !7, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = !{!"short", !7, i64 0}
!16 = !{!12, !13, i64 16}
!17 = !{!12, !14, i64 24}
!18 = !{!12, !15, i64 28}
!19 = !{!12, !7, i64 30}
!20 = !{i8 0, i8 2}
!21 = !{}


; 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 @_ZNK3DIS17VariableParametereqERKS0_(ptr nocapture noundef nonnull readonly align 8 dereferenceable(31) %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(31) %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load i8, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %1, i64 8
  %6 = load i8, ptr %5, align 8, !tbaa !5
  %7 = icmp eq i8 %4, %6
  %8 = getelementptr inbounds i8, ptr %0, i64 16
  %9 = load double, ptr %8, align 8, !tbaa !12
  %10 = getelementptr inbounds i8, ptr %1, i64 16
  %11 = load double, ptr %10, align 8, !tbaa !12
  %12 = fcmp oeq double %9, %11
  %13 = getelementptr inbounds i8, ptr %0, i64 24
  %14 = load i32, ptr %13, align 8, !tbaa !13
  %15 = getelementptr inbounds i8, ptr %1, i64 24
  %16 = load i32, ptr %15, align 8, !tbaa !13
  %17 = icmp eq i32 %14, %16
  %18 = getelementptr inbounds i8, ptr %0, i64 28
  %19 = load i16, ptr %18, align 4, !tbaa !14
  %20 = getelementptr inbounds i8, ptr %1, i64 28
  %21 = load i16, ptr %20, align 4, !tbaa !14
  %22 = icmp eq i16 %19, %21
  %23 = getelementptr inbounds i8, ptr %0, i64 30
  %24 = load i8, ptr %23, align 2, !tbaa !15
  %25 = getelementptr inbounds i8, ptr %1, i64 30
  %26 = load i8, ptr %25, align 2, !tbaa !15
  %27 = icmp eq i8 %24, %26
  %28 = select i1 %27, i1 %22, i1 false
  %29 = select i1 %28, i1 %17, i1 false
  %30 = select i1 %29, i1 %12, i1 false
  %spec.select6 = select i1 %30, i1 %7, i1 false
  ret i1 %spec.select6
}

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 = !{!"_ZTSN3DIS17VariableParameterE", !7, i64 8, !9, i64 16, !10, i64 24, !11, i64 28, !7, i64 30}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!"double", !7, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!"short", !7, i64 0}
!12 = !{!6, !9, i64 16}
!13 = !{!6, !10, i64 24}
!14 = !{!6, !11, i64 28}
!15 = !{!6, !7, i64 30}


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