; LLVM IR from DimitrisJim/leetcode_solutions :: C/Algorithms (1436)

; 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.tablet = type { i32, i32, ptr, ptr }
%struct.bucket = type { 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: 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 i32 @tablet_has(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.tablet, ptr %9, i32 0, i32 2
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = call i64 %11(ptr noundef %12)
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.tablet, ptr %14, i32 0, i32 0
  %16 = load i32, ptr %15, align 8, !tbaa !12
  %17 = zext i32 %16 to i64
  %18 = urem i64 %13, %17
  %19 = trunc i64 %18 to i32
  store i32 %19, ptr %7, align 4, !tbaa !13
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.tablet, ptr %20, i32 0, i32 3
  %22 = load ptr, ptr %21, align 8, !tbaa !14
  %23 = load i32, ptr %7, align 4, !tbaa !13
  %24 = zext i32 %23 to i64
  %25 = getelementptr inbounds ptr, ptr %22, i64 %24
  %26 = load ptr, ptr %25, align 8, !tbaa !5
  store ptr %26, ptr %6, align 8, !tbaa !5
  br label %27

27:                                               ; preds = %39, %2
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = icmp ne ptr %28, null
  br i1 %29, label %30, label %43

30:                                               ; preds = %27
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.bucket, ptr %32, i32 0, i32 1
  %34 = load ptr, ptr %33, align 8, !tbaa !15
  %35 = call i32 @strcmp(ptr noundef %31, ptr noundef %34) #4
  %36 = icmp eq i32 %35, 0
  br i1 %36, label %37, label %38

37:                                               ; preds = %30
  store i32 1, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %44

38:                                               ; preds = %30
  br label %39

39:                                               ; preds = %38
  %40 = load ptr, ptr %6, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.bucket, ptr %40, i32 0, i32 0
  %42 = load ptr, ptr %41, align 8, !tbaa !17
  store ptr %42, ptr %6, align 8, !tbaa !5
  br label %27, !llvm.loop !18

43:                                               ; preds = %27
  store i32 0, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %44

44:                                               ; preds = %43, %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %45 = load i32, ptr %3, align 4
  ret i32 %45
}

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strcmp(ptr noundef, 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 = { nounwind willreturn memory(read) "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 }
attributes #4 = { nounwind willreturn memory(read) }

!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, !6, i64 8}
!10 = !{!"tablet", !11, i64 0, !11, i64 4, !6, i64 8, !6, i64 16}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 0}
!13 = !{!11, !11, i64 0}
!14 = !{!10, !6, i64 16}
!15 = !{!16, !6, i64 8}
!16 = !{!"bucket", !6, i64 0, !6, i64 8}
!17 = !{!16, !6, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"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"

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 2) i32 @tablet_has(ptr nocapture noundef readonly %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = tail call i64 %4(ptr noundef %1) #2
  %6 = load i32, ptr %0, align 8, !tbaa !11
  %7 = zext i32 %6 to i64
  %8 = urem i64 %5, %7
  %9 = getelementptr inbounds i8, ptr %0, i64 16
  %10 = load ptr, ptr %9, align 8, !tbaa !12
  %11 = getelementptr inbounds ptr, ptr %10, i64 %8
  br label %12

12:                                               ; preds = %13, %2
  %.09.in = phi ptr [ %11, %2 ], [ %.09, %13 ]
  %.09 = load ptr, ptr %.09.in, align 8, !tbaa !13
  %.not = icmp eq ptr %.09, null
  br i1 %.not, label %18, label %13

13:                                               ; preds = %12
  %14 = getelementptr inbounds i8, ptr %.09, i64 8
  %15 = load ptr, ptr %14, align 8, !tbaa !14
  %16 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %1, ptr noundef nonnull dereferenceable(1) %15) #3
  %17 = icmp eq i32 %16, 0
  br i1 %17, label %18, label %12, !llvm.loop !16

18:                                               ; preds = %12, %13
  %.0 = phi i32 [ 1, %13 ], [ 0, %12 ]
  ret i32 %.0
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i32 @strcmp(ptr nocapture noundef, ptr nocapture noundef) local_unnamed_addr #1

attributes #0 = { 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 nofree nounwind willreturn memory(argmem: read) "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 = { nounwind }
attributes #3 = { nounwind willreturn memory(read) }

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


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