; LLVM IR from nsccgz-storage/nvlsm :: table/filter_block.ll (ZN7leveldb18FilterBlockBuilder6FinishEv)

; 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.leveldb::Slice" = type { ptr, i64 }
%"class.leveldb::FilterBlockBuilder" = type { ptr, %"class.std::__cxx11::basic_string", %"class.std::vector", %"class.std::__cxx11::basic_string", %"class.std::vector.3", %"class.std::vector.8" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<leveldb::Slice, std::allocator<leveldb::Slice>>::_Vector_impl" }
%"struct.std::_Vector_base<leveldb::Slice, std::allocator<leveldb::Slice>>::_Vector_impl" = type { %"struct.std::_Vector_base<leveldb::Slice, std::allocator<leveldb::Slice>>::_Vector_impl_data" }
%"struct.std::_Vector_base<leveldb::Slice, std::allocator<leveldb::Slice>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.8" = type { %"struct.std::_Vector_base.9" }
%"struct.std::_Vector_base.9" = type { %"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7leveldb18FilterBlockBuilder14GenerateFilterEv(ptr noundef nonnull align 8 dereferenceable(144)) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local { ptr, i64 } @_ZN7leveldb18FilterBlockBuilder6FinishEv(ptr noundef nonnull align 8 dereferenceable(144) %0) #2 align 2 {
  %2 = alloca %"class.leveldb::Slice", align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  %7 = getelementptr inbounds %"class.leveldb::FilterBlockBuilder", ptr %6, i32 0, i32 2
  %8 = call noundef zeroext i1 @_ZNKSt6vectorImSaImEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  br i1 %8, label %10, label %9

9:                                                ; preds = %1
  call void @_ZN7leveldb18FilterBlockBuilder14GenerateFilterEv(ptr noundef nonnull align 8 dereferenceable(144) %6)
  br label %10

10:                                               ; preds = %9, %1
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  %11 = getelementptr inbounds %"class.leveldb::FilterBlockBuilder", ptr %6, i32 0, i32 3
  %12 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %11) #4
  %13 = trunc i64 %12 to i32
  store i32 %13, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  store i64 0, ptr %5, align 8, !tbaa !11
  br label %14

14:                                               ; preds = %26, %10
  %15 = load i64, ptr %5, align 8, !tbaa !11
  %16 = getelementptr inbounds %"class.leveldb::FilterBlockBuilder", ptr %6, i32 0, i32 5
  %17 = call noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #4
  %18 = icmp ult i64 %15, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %29

20:                                               ; preds = %14
  %21 = getelementptr inbounds %"class.leveldb::FilterBlockBuilder", ptr %6, i32 0, i32 3
  %22 = getelementptr inbounds %"class.leveldb::FilterBlockBuilder", ptr %6, i32 0, i32 5
  %23 = load i64, ptr %5, align 8, !tbaa !11
  %24 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %22, i64 noundef %23) #4
  %25 = load i32, ptr %24, align 4, !tbaa !9
  call void @_ZN7leveldb10PutFixed32EPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEj(ptr noundef %21, i32 noundef %25)
  br label %26

26:                                               ; preds = %20
  %27 = load i64, ptr %5, align 8, !tbaa !11
  %28 = add i64 %27, 1
  store i64 %28, ptr %5, align 8, !tbaa !11
  br label %14, !llvm.loop !13

29:                                               ; preds = %19
  %30 = getelementptr inbounds %"class.leveldb::FilterBlockBuilder", ptr %6, i32 0, i32 3
  %31 = load i32, ptr %4, align 4, !tbaa !9
  call void @_ZN7leveldb10PutFixed32EPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEj(ptr noundef %30, i32 noundef %31)
  %32 = getelementptr inbounds %"class.leveldb::FilterBlockBuilder", ptr %6, i32 0, i32 3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %32, i8 noundef signext 11)
  %33 = getelementptr inbounds %"class.leveldb::FilterBlockBuilder", ptr %6, i32 0, i32 3
  call void @_ZN7leveldb5SliceC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 8 dereferenceable(32) %33)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  %34 = load { ptr, i64 }, ptr %2, align 8
  ret { ptr, i64 } %34
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorImSaImEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

declare void @_ZN7leveldb10PutFixed32EPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEj(ptr noundef, i32 noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7leveldb5SliceC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress 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 #3 = { "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 #4 = { 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 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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"

%"class.leveldb::Slice" = type { ptr, i64 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7leveldb18FilterBlockBuilder14GenerateFilterEv(ptr noundef nonnull align 8 dereferenceable(144)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local { ptr, i64 } @_ZN7leveldb18FilterBlockBuilder6FinishEv(ptr noundef nonnull align 8 dereferenceable(144) %0) local_unnamed_addr #1 align 2 {
  %2 = alloca %"class.leveldb::Slice", align 8
  %3 = getelementptr inbounds i8, ptr %0, i64 40
  %4 = tail call noundef zeroext i1 @_ZNKSt6vectorImSaImEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  br i1 %4, label %6, label %5

5:                                                ; preds = %1
  tail call void @_ZN7leveldb18FilterBlockBuilder14GenerateFilterEv(ptr noundef nonnull align 8 dereferenceable(144) %0)
  br label %6

6:                                                ; preds = %5, %1
  %7 = getelementptr inbounds i8, ptr %0, i64 64
  %8 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %7) #3
  %9 = getelementptr inbounds i8, ptr %0, i64 120
  %10 = tail call noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  %.not = icmp eq i64 %10, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %6
  %11 = trunc i64 %8 to i32
  tail call void @_ZN7leveldb10PutFixed32EPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEj(ptr noundef nonnull %7, i32 noundef %11)
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %7, i8 noundef signext 11)
  call void @_ZN7leveldb5SliceC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 8 dereferenceable(32) %7)
  %.fca.0.load = load ptr, ptr %2, align 8
  %.fca.0.insert = insertvalue { ptr, i64 } poison, ptr %.fca.0.load, 0
  %.fca.1.gep = getelementptr inbounds i8, ptr %2, i64 8
  %.fca.1.load = load i64, ptr %.fca.1.gep, align 8
  %.fca.1.insert = insertvalue { ptr, i64 } %.fca.0.insert, i64 %.fca.1.load, 1
  ret { ptr, i64 } %.fca.1.insert

.lr.ph:                                           ; preds = %6, %.lr.ph
  %.04 = phi i64 [ %14, %.lr.ph ], [ 0, %6 ]
  %12 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %.04) #3
  %13 = load i32, ptr %12, align 4, !tbaa !5
  tail call void @_ZN7leveldb10PutFixed32EPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEj(ptr noundef nonnull %7, i32 noundef %13)
  %14 = add nuw i64 %.04, 1
  %15 = tail call noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  %16 = icmp ult i64 %14, %15
  br i1 %16, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorImSaImEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

declare void @_ZN7leveldb10PutFixed32EPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEj(ptr noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7leveldb5SliceC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

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 = { mustprogress 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 #2 = { "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 }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass