; LLVM IR from JessonYue/LeetCodeLearning :: BaseDataStructure/Hash (Hash)

; 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"

@__const.main.key = external hidden unnamed_addr constant [7 x i32], align 16
@.str = external hidden unnamed_addr constant [20 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @initHashTable() #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 i32 @insert(i32 noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @find(i32 noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @main(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca [7 x i32], align 16
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 28, ptr %6) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %6, ptr align 16 @__const.main.key, i64 28, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  call void @initHashTable()
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %9

9:                                                ; preds = %18, %2
  %10 = load i32, ptr %7, align 4, !tbaa !5
  %11 = icmp slt i32 %10, 7
  br i1 %11, label %12, label %21

12:                                               ; preds = %9
  %13 = load i32, ptr %7, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds [7 x i32], ptr %6, i64 0, i64 %14
  %16 = load i32, ptr %15, align 4, !tbaa !5
  %17 = call i32 @insert(i32 noundef %16)
  br label %18

18:                                               ; preds = %12
  %19 = load i32, ptr %7, align 4, !tbaa !5
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr %7, align 4, !tbaa !5
  br label %9, !llvm.loop !11

21:                                               ; preds = %9
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %22

22:                                               ; preds = %37, %21
  %23 = load i32, ptr %7, align 4, !tbaa !5
  %24 = icmp slt i32 %23, 7
  br i1 %24, label %25, label %40

25:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %26 = load i32, ptr %7, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds [7 x i32], ptr %6, i64 0, i64 %27
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = call i32 @find(i32 noundef %29)
  store i32 %30, ptr %8, align 4, !tbaa !5
  %31 = load i32, ptr %7, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [7 x i32], ptr %6, i64 0, i64 %32
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = load i32, ptr %8, align 4, !tbaa !5
  %36 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %34, i32 noundef %35)
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %37

37:                                               ; preds = %25
  %38 = load i32, ptr %7, align 4, !tbaa !5
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %7, align 4, !tbaa !5
  br label %22, !llvm.loop !13

40:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 28, ptr %6) #4
  ret i32 0
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

declare i32 @printf(ptr noundef, ...) #3

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 nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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"

@__const.main.key = external hidden unnamed_addr constant [7 x i32], align 16
@.str = external hidden unnamed_addr constant [20 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @initHashTable() local_unnamed_addr #0

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

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

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 {
.preheader.preheader:
  tail call void @initHashTable()
  %2 = load i32, ptr @__const.main.key, align 16, !tbaa !5
  %3 = tail call i32 @insert(i32 noundef %2)
  %4 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.key, i64 4), align 4, !tbaa !5
  %5 = tail call i32 @insert(i32 noundef %4)
  %6 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.key, i64 8), align 8, !tbaa !5
  %7 = tail call i32 @insert(i32 noundef %6)
  %8 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.key, i64 12), align 4, !tbaa !5
  %9 = tail call i32 @insert(i32 noundef %8)
  %10 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.key, i64 16), align 16, !tbaa !5
  %11 = tail call i32 @insert(i32 noundef %10)
  %12 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.key, i64 20), align 4, !tbaa !5
  %13 = tail call i32 @insert(i32 noundef %12)
  %14 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.key, i64 24), align 8, !tbaa !5
  %15 = tail call i32 @insert(i32 noundef %14)
  %16 = tail call i32 @find(i32 noundef %2)
  %17 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %2, i32 noundef %16)
  %18 = tail call i32 @find(i32 noundef %4)
  %19 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %4, i32 noundef %18)
  %20 = tail call i32 @find(i32 noundef %6)
  %21 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %6, i32 noundef %20)
  %22 = tail call i32 @find(i32 noundef %8)
  %23 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %8, i32 noundef %22)
  %24 = tail call i32 @find(i32 noundef %10)
  %25 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %10, i32 noundef %24)
  %26 = tail call i32 @find(i32 noundef %12)
  %27 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %12, i32 noundef %26)
  %28 = tail call i32 @find(i32 noundef %14)
  %29 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %14, i32 noundef %28)
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) 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 = { 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, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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