; LLVM IR from Thre4dripper/DSA-Programs :: 18. Hashing/Open Hashing (LinearChaining)

; 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.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7displayPP4Node(ptr noundef) #0

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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z6SearchiPP4Node(i32 noundef, ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6InsertiPP4Node(i32 noundef, ptr noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z6RemoveiPP4Node(i32 noundef, ptr noundef) #0

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #5 {
  %1 = alloca i32, align 4
  %2 = alloca [5 x ptr], align 16
  %3 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %4 = call i32 @system(ptr noundef @.str.2)
  call void @llvm.lifetime.start.p0(i64 40, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %5

5:                                                ; preds = %13, %0
  %6 = load i32, ptr %3, align 4, !tbaa !5
  %7 = icmp slt i32 %6, 5
  br i1 %7, label %9, label %8

8:                                                ; preds = %5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %16

9:                                                ; preds = %5
  %10 = load i32, ptr %3, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  %12 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 %11
  store ptr null, ptr %12, align 8, !tbaa !9
  br label %13

13:                                               ; preds = %9
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = add nsw i32 %14, 1
  store i32 %15, ptr %3, align 4, !tbaa !5
  br label %5, !llvm.loop !11

16:                                               ; preds = %8
  %17 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  call void @_Z6InsertiPP4Node(i32 noundef 10, ptr noundef %17)
  %18 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  call void @_Z6InsertiPP4Node(i32 noundef 15, ptr noundef %18)
  %19 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  call void @_Z6InsertiPP4Node(i32 noundef 24, ptr noundef %19)
  %20 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  call void @_Z6InsertiPP4Node(i32 noundef 23, ptr noundef %20)
  %21 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  call void @_Z6InsertiPP4Node(i32 noundef 18, ptr noundef %21)
  %22 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  call void @_Z6InsertiPP4Node(i32 noundef 36, ptr noundef %22)
  %23 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  call void @_Z6InsertiPP4Node(i32 noundef 2, ptr noundef %23)
  %24 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  call void @_Z6InsertiPP4Node(i32 noundef 3, ptr noundef %24)
  %25 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  call void @_Z6InsertiPP4Node(i32 noundef 42, ptr noundef %25)
  %26 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  call void @_Z6InsertiPP4Node(i32 noundef 10, ptr noundef %26)
  %27 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  call void @_Z6InsertiPP4Node(i32 noundef 7, ptr noundef %27)
  %28 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  %29 = call noundef i32 @_Z6RemoveiPP4Node(i32 noundef 23, ptr noundef %28)
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %29)
  %31 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %30, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %32 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  %33 = call noundef zeroext i1 @_Z6SearchiPP4Node(i32 noundef 23, ptr noundef %32)
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEb(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i1 noundef zeroext %33)
  %35 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %34, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %36 = getelementptr inbounds [5 x ptr], ptr %2, i64 0, i64 0
  call void @_Z7displayPP4Node(ptr noundef %36)
  call void @llvm.lifetime.end.p0(i64 40, ptr %2) #6
  %37 = load i32, ptr %1, align 4
  ret i32 %37
}

declare i32 @system(ptr noundef) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEb(ptr noundef nonnull align 8 dereferenceable(8), i1 noundef zeroext) #0 align 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #4 = { inlinehint 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 #5 = { mustprogress norecurse 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 #6 = { 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 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7displayPP4Node(ptr noundef) local_unnamed_addr #0

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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z6SearchiPP4Node(i32 noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6InsertiPP4Node(i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z6RemoveiPP4Node(i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #5 {
  %1 = alloca [5 x ptr], align 16
  %2 = tail call i32 @system(ptr noundef nonnull @.str.2)
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %1) #8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(40) %1, i8 0, i64 40, i1 false), !tbaa !5
  call void @_Z6InsertiPP4Node(i32 noundef 10, ptr noundef nonnull %1)
  call void @_Z6InsertiPP4Node(i32 noundef 15, ptr noundef nonnull %1)
  call void @_Z6InsertiPP4Node(i32 noundef 24, ptr noundef nonnull %1)
  call void @_Z6InsertiPP4Node(i32 noundef 23, ptr noundef nonnull %1)
  call void @_Z6InsertiPP4Node(i32 noundef 18, ptr noundef nonnull %1)
  call void @_Z6InsertiPP4Node(i32 noundef 36, ptr noundef nonnull %1)
  call void @_Z6InsertiPP4Node(i32 noundef 2, ptr noundef nonnull %1)
  call void @_Z6InsertiPP4Node(i32 noundef 3, ptr noundef nonnull %1)
  call void @_Z6InsertiPP4Node(i32 noundef 42, ptr noundef nonnull %1)
  call void @_Z6InsertiPP4Node(i32 noundef 10, ptr noundef nonnull %1)
  call void @_Z6InsertiPP4Node(i32 noundef 7, ptr noundef nonnull %1)
  %3 = call noundef i32 @_Z6RemoveiPP4Node(i32 noundef 23, ptr noundef nonnull %1)
  %4 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %3)
  %5 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %6 = call noundef zeroext i1 @_Z6SearchiPP4Node(i32 noundef 23, ptr noundef nonnull %1)
  %7 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEb(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i1 noundef zeroext %6)
  %8 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @_Z7displayPP4Node(ptr noundef nonnull %1)
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %1) #8
  ret i32 0
}

; Function Attrs: nofree
declare noundef i32 @system(ptr nocapture noundef readonly) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEb(ptr noundef nonnull align 8 dereferenceable(8), i1 noundef zeroext) local_unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #7

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #4 = { inlinehint 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 #5 = { mustprogress norecurse 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 #6 = { nofree "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 #7 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #8 = { 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"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopIdiomRecognizePass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass