; LLVM IR from keroro824/HashingDeepLearning :: SLIDE/Bucket.ll (ZN6Bucket6getAllEv)

; 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.Bucket = type <{ ptr, i32, i32, i32, [4 x i8] }>

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef ptr @_ZN6Bucket6getAllEv(ptr noundef nonnull align 8 dereferenceable(20) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8
  %5 = getelementptr inbounds %class.Bucket, ptr %4, i32 0, i32 1
  %6 = load i32, ptr %5, align 8, !tbaa !9
  %7 = icmp eq i32 %6, -1
  br i1 %7, label %8, label %9

8:                                                ; preds = %1
  store ptr null, ptr %2, align 8
  br label %23

9:                                                ; preds = %1
  %10 = getelementptr inbounds %class.Bucket, ptr %4, i32 0, i32 3
  %11 = load i32, ptr %10, align 8, !tbaa !12
  %12 = icmp slt i32 %11, 128
  br i1 %12, label %13, label %20

13:                                               ; preds = %9
  %14 = getelementptr inbounds %class.Bucket, ptr %4, i32 0, i32 0
  %15 = load ptr, ptr %14, align 8, !tbaa !13
  %16 = getelementptr inbounds %class.Bucket, ptr %4, i32 0, i32 3
  %17 = load i32, ptr %16, align 8, !tbaa !12
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds i32, ptr %15, i64 %18
  store i32 -1, ptr %19, align 4, !tbaa !14
  br label %20

20:                                               ; preds = %13, %9
  %21 = getelementptr inbounds %class.Bucket, ptr %4, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !13
  store ptr %22, ptr %2, align 8
  br label %23

23:                                               ; preds = %20, %8
  %24 = load ptr, ptr %2, align 8
  ret ptr %24
}

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" }

!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 = !{!"_ZTS6Bucket", !6, i64 0, !11, i64 8, !11, i64 12, !11, i64 16}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 16}
!13 = !{!10, !6, i64 0}
!14 = !{!11, !11, 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 nofree norecurse nosync nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none) uwtable
define dso_local noundef ptr @_ZN6Bucket6getAllEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(20) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %4 = icmp eq i32 %3, -1
  br i1 %4, label %12, label %5

5:                                                ; preds = %1
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  %7 = load i32, ptr %6, align 8, !tbaa !11
  %8 = icmp slt i32 %7, 128
  %.pre = load ptr, ptr %0, align 8, !tbaa !12
  br i1 %8, label %9, label %12

9:                                                ; preds = %5
  %10 = sext i32 %7 to i64
  %11 = getelementptr inbounds i32, ptr %.pre, i64 %10
  store i32 -1, ptr %11, align 4, !tbaa !13
  br label %12

12:                                               ; preds = %5, %9, %1
  %.0 = phi ptr [ null, %1 ], [ %.pre, %9 ], [ %.pre, %5 ]
  ret ptr %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none) 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, !10, i64 8}
!6 = !{!"_ZTS6Bucket", !7, i64 0, !10, i64 8, !10, i64 12, !10, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !10, i64 16}
!12 = !{!6, !7, i64 0}
!13 = !{!10, !10, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass