; LLVM IR from KoishiDB/Koishi-DB :: src/type/slice.ll (ZNK8koishidb5SliceeqERKS0_)

; 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.koishidb::Slice" = type { ptr, i64 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK8koishidb5Slice4dataEv(ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK8koishidb5Slice4sizeEv(ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZNK8koishidb5SliceeqERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) #0 align 2 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = call noundef i64 @_ZNK8koishidb5Slice4sizeEv(ptr noundef nonnull align 8 dereferenceable(16) %8)
  %10 = getelementptr inbounds %"class.koishidb::Slice", ptr %7, i32 0, i32 1
  %11 = load i64, ptr %10, align 8, !tbaa !9
  %12 = icmp ne i64 %9, %11
  br i1 %12, label %13, label %14

13:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  br label %24

14:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %15 = getelementptr inbounds %"class.koishidb::Slice", ptr %7, i32 0, i32 0
  %16 = load ptr, ptr %15, align 8, !tbaa !12
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = call noundef ptr @_ZNK8koishidb5Slice4dataEv(ptr noundef nonnull align 8 dereferenceable(16) %17)
  %19 = getelementptr inbounds %"class.koishidb::Slice", ptr %7, i32 0, i32 1
  %20 = load i64, ptr %19, align 8, !tbaa !9
  %21 = call i32 @memcmp(ptr noundef %16, ptr noundef %18, i64 noundef %20) #4
  store i32 %21, ptr %6, align 4, !tbaa !13
  %22 = load i32, ptr %6, align 4, !tbaa !13
  %23 = icmp eq i32 %22, 0
  store i1 %23, ptr %3, align 1
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %24

24:                                               ; preds = %14, %13
  %25 = load i1, ptr %3, align 1
  ret i1 %25
}

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

; Function Attrs: nounwind willreturn memory(read)
declare i32 @memcmp(ptr noundef, ptr noundef, i64 noundef) #2

; 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 willreturn memory(read) "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 }
attributes #4 = { nounwind willreturn memory(read) }

!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, !11, i64 8}
!10 = !{!"_ZTSN8koishidb5SliceE", !6, i64 0, !11, i64 8}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !6, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}


; 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 ptr @_ZNK8koishidb5Slice4dataEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK8koishidb5Slice4sizeEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZNK8koishidb5SliceeqERKS0_(ptr nocapture noundef nonnull readonly align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) local_unnamed_addr #0 align 2 {
  %3 = tail call noundef i64 @_ZNK8koishidb5Slice4sizeEv(ptr noundef nonnull align 8 dereferenceable(16) %1)
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load i64, ptr %4, align 8, !tbaa !5
  %.not = icmp eq i64 %3, %5
  br i1 %.not, label %6, label %11

6:                                                ; preds = %2
  %7 = load ptr, ptr %0, align 8, !tbaa !11
  %8 = tail call noundef ptr @_ZNK8koishidb5Slice4dataEv(ptr noundef nonnull align 8 dereferenceable(16) %1)
  %9 = load i64, ptr %4, align 8, !tbaa !5
  %bcmp = tail call i32 @bcmp(ptr %7, ptr %8, i64 %9)
  %10 = icmp eq i32 %bcmp, 0
  br label %11

11:                                               ; preds = %2, %6
  %.0 = phi i1 [ %10, %6 ], [ false, %2 ]
  ret i1 %.0
}

; Function Attrs: nofree nounwind willreturn memory(argmem: read)
declare i32 @bcmp(ptr nocapture, ptr nocapture, i64) local_unnamed_addr #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 = { nofree nounwind willreturn memory(argmem: read) }

!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, !10, i64 8}
!6 = !{!"_ZTSN8koishidb5SliceE", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !7, i64 0}


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