; LLVM IR from xxks-kkk/algo :: hashTable/dictionary (dict)

; 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"

%struct.HashTbl = type { i32, i32, ptr }
%struct.HashEntry = type { %struct.data, i32 }
%struct.data = type { i32, i32 }

@.str.3 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [5 x i8], align 1

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

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

; Function Attrs: nounwind uwtable
define dso_local void @printDictionary(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %45, %1
  %5 = load i32, ptr %3, align 4, !tbaa !9
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.HashTbl, ptr %6, i32 0, i32 0
  %8 = load i32, ptr %7, align 8, !tbaa !11
  %9 = icmp slt i32 %5, %8
  br i1 %9, label %10, label %48

10:                                               ; preds = %4
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.HashTbl, ptr %11, i32 0, i32 2
  %13 = load ptr, ptr %12, align 8, !tbaa !13
  %14 = load i32, ptr %3, align 4, !tbaa !9
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds %struct.HashEntry, ptr %13, i64 %15
  %17 = getelementptr inbounds %struct.HashEntry, ptr %16, i32 0, i32 1
  %18 = load i32, ptr %17, align 4, !tbaa !14
  %19 = icmp eq i32 %18, 0
  br i1 %19, label %20, label %41

20:                                               ; preds = %10
  %21 = load i32, ptr %3, align 4, !tbaa !9
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.HashTbl, ptr %22, i32 0, i32 2
  %24 = load ptr, ptr %23, align 8, !tbaa !13
  %25 = load i32, ptr %3, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds %struct.HashEntry, ptr %24, i64 %26
  %28 = getelementptr inbounds %struct.HashEntry, ptr %27, i32 0, i32 0
  %29 = getelementptr inbounds %struct.data, ptr %28, i32 0, i32 0
  %30 = load i32, ptr %29, align 4, !tbaa !17
  %31 = load ptr, ptr %2, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.HashTbl, ptr %31, i32 0, i32 2
  %33 = load ptr, ptr %32, align 8, !tbaa !13
  %34 = load i32, ptr %3, align 4, !tbaa !9
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds %struct.HashEntry, ptr %33, i64 %35
  %37 = getelementptr inbounds %struct.HashEntry, ptr %36, i32 0, i32 0
  %38 = getelementptr inbounds %struct.data, ptr %37, i32 0, i32 1
  %39 = load i32, ptr %38, align 4, !tbaa !18
  %40 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %21, i32 noundef %30, i32 noundef %39)
  br label %44

41:                                               ; preds = %10
  %42 = load i32, ptr %3, align 4, !tbaa !9
  %43 = call i32 (ptr, ...) @printf(ptr noundef @.str.4, i32 noundef %42)
  br label %44

44:                                               ; preds = %41, %20
  br label %45

45:                                               ; preds = %44
  %46 = load i32, ptr %3, align 4, !tbaa !9
  %47 = add nsw i32 %46, 1
  store i32 %47, ptr %3, align 4, !tbaa !9
  br label %4, !llvm.loop !19

48:                                               ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  ret void
}

declare i32 @printf(ptr noundef, ...) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { "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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"HashTbl", !10, i64 0, !10, i64 4, !6, i64 8}
!13 = !{!12, !6, i64 8}
!14 = !{!15, !10, i64 8}
!15 = !{!"HashEntry", !16, i64 0, !10, i64 8}
!16 = !{!"data", !10, i64 0, !10, i64 4}
!17 = !{!15, !10, i64 0}
!18 = !{!15, !10, i64 4}
!19 = distinct !{!19, !20}
!20 = !{!"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"

%struct.HashEntry = type { %struct.data, i32 }
%struct.data = type { i32, i32 }

@.str.3 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: nofree nounwind uwtable
define dso_local void @printDictionary(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = load i32, ptr %0, align 8, !tbaa !5
  %3 = icmp sgt i32 %2, 0
  br i1 %3, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  br label %5

5:                                                ; preds = %.lr.ph, %20
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %20 ]
  %6 = load ptr, ptr %4, align 8, !tbaa !11
  %7 = getelementptr inbounds %struct.HashEntry, ptr %6, i64 %indvars.iv
  %8 = getelementptr inbounds i8, ptr %7, i64 8
  %9 = load i32, ptr %8, align 4, !tbaa !12
  %10 = icmp eq i32 %9, 0
  br i1 %10, label %11, label %17

11:                                               ; preds = %5
  %12 = load i32, ptr %7, align 4, !tbaa !15
  %13 = getelementptr inbounds i8, ptr %7, i64 4
  %14 = load i32, ptr %13, align 4, !tbaa !16
  %15 = trunc nuw nsw i64 %indvars.iv to i32
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef %15, i32 noundef %12, i32 noundef %14)
  br label %20

17:                                               ; preds = %5
  %18 = trunc nuw nsw i64 %indvars.iv to i32
  %19 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, i32 noundef %18)
  br label %20

20:                                               ; preds = %11, %17
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %21 = load i32, ptr %0, align 8, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = icmp slt i64 %indvars.iv.next, %22
  br i1 %23, label %5, label %._crit_edge, !llvm.loop !17

._crit_edge:                                      ; preds = %20, %1
  ret void
}

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

attributes #0 = { nofree 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 "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, !7, i64 0}
!6 = !{!"HashTbl", !7, i64 0, !7, i64 4, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!13, !7, i64 8}
!13 = !{!"HashEntry", !14, i64 0, !7, i64 8}
!14 = !{!"data", !7, i64 0, !7, i64 4}
!15 = !{!13, !7, i64 0}
!16 = !{!13, !7, i64 4}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


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