; LLVM IR from JessonYue/LeetCodeLearning :: Array/zhangjunwei/8月 (containsDuplicate)

; 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: nounwind uwtable
declare dso_local i32 @find_hash(i32 noundef, ptr noundef, i32 noundef) #0

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

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

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

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

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @containsDuplicate(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  %11 = load i32, ptr %5, align 4, !tbaa !9
  %12 = icmp eq i32 %11, 0
  br i1 %12, label %13, label %14

13:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  br label %50

14:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %15 = load i32, ptr %5, align 4, !tbaa !9
  %16 = mul nsw i32 5, %15
  store i32 %16, ptr %6, align 4, !tbaa !9
  %17 = load i32, ptr %6, align 4, !tbaa !9
  %18 = zext i32 %17 to i64
  %19 = call ptr @llvm.stacksave.p0()
  store ptr %19, ptr %7, align 8
  %20 = alloca i32, i64 %18, align 16
  store i64 %18, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %21 = load i32, ptr %6, align 4, !tbaa !9
  call void @init_hash(ptr noundef %20, i32 noundef %21)
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %22

22:                                               ; preds = %44, %14
  %23 = load i32, ptr %9, align 4, !tbaa !9
  %24 = load i32, ptr %5, align 4, !tbaa !9
  %25 = icmp slt i32 %23, %24
  br i1 %25, label %26, label %47

26:                                               ; preds = %22
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = load i32, ptr %9, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds i32, ptr %27, i64 %29
  %31 = load i32, ptr %30, align 4, !tbaa !9
  %32 = load i32, ptr %6, align 4, !tbaa !9
  %33 = call i32 @find_hash(i32 noundef %31, ptr noundef %20, i32 noundef %32)
  %34 = icmp ne i32 %33, 0
  br i1 %34, label %35, label %36

35:                                               ; preds = %26
  store i1 true, ptr %3, align 1
  store i32 1, ptr %10, align 4
  br label %48

36:                                               ; preds = %26
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = load i32, ptr %9, align 4, !tbaa !9
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds i32, ptr %37, i64 %39
  %41 = load i32, ptr %40, align 4, !tbaa !9
  %42 = load i32, ptr %6, align 4, !tbaa !9
  call void @insert_hash(i32 noundef %41, ptr noundef %20, i32 noundef %42)
  br label %43

43:                                               ; preds = %36
  br label %44

44:                                               ; preds = %43
  %45 = load i32, ptr %9, align 4, !tbaa !9
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %9, align 4, !tbaa !9
  br label %22, !llvm.loop !11

47:                                               ; preds = %22
  store i1 false, ptr %3, align 1
  store i32 1, ptr %10, align 4
  br label %48

48:                                               ; preds = %47, %35
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  %49 = load ptr, ptr %7, align 8
  call void @llvm.stackrestore.p0(ptr %49)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %50

50:                                               ; preds = %48, %13
  %51 = load i1, ptr %3, align 1
  ret i1 %51
}

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #2

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nosync nounwind willreturn }
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 = 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"

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

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

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

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @containsDuplicate(ptr nocapture noundef readonly %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq i32 %1, 0
  br i1 %3, label %19, label %4

4:                                                ; preds = %2
  %5 = mul nsw i32 %1, 5
  %6 = zext i32 %5 to i64
  %7 = tail call ptr @llvm.stacksave.p0()
  %8 = alloca i32, i64 %6, align 16
  call void @init_hash(ptr noundef nonnull %8, i32 noundef %5)
  %9 = icmp sgt i32 %1, 0
  br i1 %9, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %4
  %10 = zext nneg i32 %1 to i64
  %wide.trip.count = zext nneg i32 %1 to i64
  %11 = load i32, ptr %0, align 4, !tbaa !5
  %12 = call i32 @find_hash(i32 noundef %11, ptr noundef nonnull %8, i32 noundef %5)
  %.not19 = icmp eq i32 %12, 0
  br i1 %.not19, label %.lr.ph21, label %._crit_edge

.lr.ph:                                           ; preds = %.lr.ph21
  %13 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv.next
  %14 = load i32, ptr %13, align 4, !tbaa !5
  %15 = call i32 @find_hash(i32 noundef %14, ptr noundef nonnull %8, i32 noundef %5)
  %.not = icmp eq i32 %15, 0
  br i1 %.not, label %.lr.ph21, label %._crit_edge.loopexit, !llvm.loop !9

.lr.ph21:                                         ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv20 = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.lr.ph.preheader ]
  %16 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv20
  %17 = load i32, ptr %16, align 4, !tbaa !5
  call void @insert_hash(i32 noundef %17, ptr noundef nonnull %8, i32 noundef %5)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv20, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge.loopexit, label %.lr.ph, !llvm.loop !9

._crit_edge.loopexit:                             ; preds = %.lr.ph, %.lr.ph21
  %18 = icmp ult i64 %indvars.iv.next, %10
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.lr.ph.preheader, %4
  %.lcssa = phi i1 [ false, %4 ], [ true, %.lr.ph.preheader ], [ %18, %._crit_edge.loopexit ]
  call void @llvm.stackrestore.p0(ptr %7)
  br label %19

19:                                               ; preds = %2, %._crit_edge
  %.1 = phi i1 [ %.lcssa, %._crit_edge ], [ false, %2 ]
  ret i1 %.1
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #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 nocallback nofree nosync nounwind willreturn }

!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/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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