; LLVM IR from JessonYue/LeetCodeLearning :: Array/zhangjunwei/basedatastruct/main.ll (Z9hash_testv)

; 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._Z9hash_testv.key = external hidden unnamed_addr constant [7 x i32], align 16
@.str = external hidden unnamed_addr constant [20 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z14hashtable_initv() #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: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z16hashtable_inserti(i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef i32 @_ZL4findi(i32 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9hash_testv() #2 {
  %1 = alloca [7 x i32], align 16
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 28, ptr %1) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %1, ptr align 16 @__const._Z9hash_testv.key, i64 28, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  call void @_Z14hashtable_initv()
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %4

4:                                                ; preds = %13, %0
  %5 = load i32, ptr %2, align 4, !tbaa !5
  %6 = icmp slt i32 %5, 7
  br i1 %6, label %7, label %16

7:                                                ; preds = %4
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  %10 = getelementptr inbounds [7 x i32], ptr %1, i64 0, i64 %9
  %11 = load i32, ptr %10, align 4, !tbaa !5
  %12 = call noundef zeroext i1 @_Z16hashtable_inserti(i32 noundef %11)
  br label %13

13:                                               ; preds = %7
  %14 = load i32, ptr %2, align 4, !tbaa !5
  %15 = add nsw i32 %14, 1
  store i32 %15, ptr %2, align 4, !tbaa !5
  br label %4, !llvm.loop !9

16:                                               ; preds = %4
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %32, %16
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = icmp slt i32 %18, 7
  br i1 %19, label %20, label %35

20:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [7 x i32], ptr %1, i64 0, i64 %22
  %24 = load i32, ptr %23, align 4, !tbaa !5
  %25 = call noundef i32 @_ZL4findi(i32 noundef %24)
  store i32 %25, ptr %3, align 4, !tbaa !5
  %26 = load i32, ptr %2, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds [7 x i32], ptr %1, i64 0, i64 %27
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = load i32, ptr %3, align 4, !tbaa !5
  %31 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %29, i32 noundef %30)
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %32

32:                                               ; preds = %20
  %33 = load i32, ptr %2, align 4, !tbaa !5
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %2, align 4, !tbaa !5
  br label %17, !llvm.loop !11

35:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 28, ptr %1) #5
  ret void
}

; 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) #3

declare i32 @printf(ptr noundef, ...) #4

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { "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 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; 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._Z9hash_testv.key = external hidden unnamed_addr constant [7 x i32], align 16
@.str = external hidden unnamed_addr constant [20 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z14hashtable_initv() local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z16hashtable_inserti(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef i32 @_ZL4findi(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9hash_testv() local_unnamed_addr #1 {
.preheader.preheader:
  tail call void @_Z14hashtable_initv()
  %0 = load i32, ptr @__const._Z9hash_testv.key, align 16, !tbaa !5
  %1 = tail call noundef zeroext i1 @_Z16hashtable_inserti(i32 noundef %0)
  %2 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z9hash_testv.key, i64 4), align 4, !tbaa !5
  %3 = tail call noundef zeroext i1 @_Z16hashtable_inserti(i32 noundef %2)
  %4 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z9hash_testv.key, i64 8), align 8, !tbaa !5
  %5 = tail call noundef zeroext i1 @_Z16hashtable_inserti(i32 noundef %4)
  %6 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z9hash_testv.key, i64 12), align 4, !tbaa !5
  %7 = tail call noundef zeroext i1 @_Z16hashtable_inserti(i32 noundef %6)
  %8 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z9hash_testv.key, i64 16), align 16, !tbaa !5
  %9 = tail call noundef zeroext i1 @_Z16hashtable_inserti(i32 noundef %8)
  %10 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z9hash_testv.key, i64 20), align 4, !tbaa !5
  %11 = tail call noundef zeroext i1 @_Z16hashtable_inserti(i32 noundef %10)
  %12 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z9hash_testv.key, i64 24), align 8, !tbaa !5
  %13 = tail call noundef zeroext i1 @_Z16hashtable_inserti(i32 noundef %12)
  %14 = tail call noundef i32 @_ZL4findi(i32 noundef %0)
  %15 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %0, i32 noundef %14)
  %16 = tail call noundef i32 @_ZL4findi(i32 noundef %2)
  %17 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %2, i32 noundef %16)
  %18 = tail call noundef i32 @_ZL4findi(i32 noundef %4)
  %19 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %4, i32 noundef %18)
  %20 = tail call noundef i32 @_ZL4findi(i32 noundef %6)
  %21 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %6, i32 noundef %20)
  %22 = tail call noundef i32 @_ZL4findi(i32 noundef %8)
  %23 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %8, i32 noundef %22)
  %24 = tail call noundef i32 @_ZL4findi(i32 noundef %10)
  %25 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %10, i32 noundef %24)
  %26 = tail call noundef i32 @_ZL4findi(i32 noundef %12)
  %27 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %12, i32 noundef %26)
  ret void
}

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

attributes #0 = { 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 #1 = { 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 #2 = { 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++ TBAA"}


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