; LLVM IR from nsccgz-storage/nvlsm :: table (two_level_iterator)

; 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"

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN7leveldb19NewTwoLevelIteratorEPNS_8IteratorEPFS1_PvRKNS_11ReadOptionsERKNS_5SliceEES2_S5_(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef nonnull align 8 dereferenceable(16) %3) #0 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  %11 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 176) #3
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = load ptr, ptr %7, align 8, !tbaa !5
  %15 = load ptr, ptr %8, align 8, !tbaa !5
  invoke void @_ZN7leveldb12_GLOBAL__N_116TwoLevelIteratorC2EPNS_8IteratorEPFS3_PvRKNS_11ReadOptionsERKNS_5SliceEES4_S7_(ptr noundef nonnull align 8 dereferenceable(176) %11, ptr noundef %12, ptr noundef %13, ptr noundef %14, ptr noundef nonnull align 8 dereferenceable(16) %15)
          to label %16 unwind label %17

16:                                               ; preds = %4
  ret ptr %11

17:                                               ; preds = %4
  %18 = landingpad { ptr, i32 }
          cleanup
  %19 = extractvalue { ptr, i32 } %18, 0
  store ptr %19, ptr %9, align 8
  %20 = extractvalue { ptr, i32 } %18, 1
  store i32 %20, ptr %10, align 4
  call void @_ZdlPvm(ptr noundef %11, i64 noundef 176) #4
  br label %21

21:                                               ; preds = %17
  %22 = load ptr, ptr %9, align 8
  %23 = load i32, ptr %10, align 4
  %24 = insertvalue { ptr, i32 } poison, ptr %22, 0
  %25 = insertvalue { ptr, i32 } %24, i32 %23, 1
  resume { ptr, i32 } %25
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #1

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN7leveldb12_GLOBAL__N_116TwoLevelIteratorC2EPNS_8IteratorEPFS3_PvRKNS_11ReadOptionsERKNS_5SliceEES4_S7_(ptr noundef nonnull align 8 dereferenceable(176), ptr noundef, ptr noundef, ptr noundef, ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #2

attributes #0 = { 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 #1 = { nobuiltin allocsize(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 = { nobuiltin nounwind "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 = { builtin allocsize(0) }
attributes #4 = { builtin 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"}


; 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 uwtable
define dso_local noundef nonnull ptr @_ZN7leveldb19NewTwoLevelIteratorEPNS_8IteratorEPFS1_PvRKNS_11ReadOptionsERKNS_5SliceEES2_S5_(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef nonnull align 8 dereferenceable(16) %3) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %5 = tail call noalias noundef nonnull dereferenceable(176) ptr @_Znwm(i64 noundef 176) #3
  invoke void @_ZN7leveldb12_GLOBAL__N_116TwoLevelIteratorC2EPNS_8IteratorEPFS3_PvRKNS_11ReadOptionsERKNS_5SliceEES4_S7_(ptr noundef nonnull align 8 dereferenceable(176) %5, ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef nonnull align 8 dereferenceable(16) %3)
          to label %6 unwind label %7

6:                                                ; preds = %4
  ret ptr %5

7:                                                ; preds = %4
  %8 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %5, i64 noundef 176) #4
  resume { ptr, i32 } %8
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN7leveldb12_GLOBAL__N_116TwoLevelIteratorC2EPNS_8IteratorEPFS3_PvRKNS_11ReadOptionsERKNS_5SliceEES4_S7_(ptr noundef nonnull align 8 dereferenceable(176), ptr noundef, ptr noundef, ptr noundef, ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #2

attributes #0 = { 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 #1 = { nobuiltin allocsize(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 = { nobuiltin nounwind "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 = { builtin allocsize(0) }
attributes #4 = { builtin 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)"}


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