; LLVM IR from DionysiosB/CodeForces :: 0200-0299 (299A-KsushaAndArray)

; 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"

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  store i64 0, ptr %2, align 8, !tbaa !5
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %9 = load i64, ptr %2, align 8, !tbaa !5
  %10 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %9, i64 8)
  %11 = extractvalue { i64, i1 } %10, 1
  %12 = extractvalue { i64, i1 } %10, 0
  %13 = select i1 %11, i64 -1, i64 %12
  %14 = call noalias noundef nonnull ptr @_Znam(i64 noundef %13) #6
  store ptr %14, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  store i64 1000000000, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  store i64 0, ptr %5, align 8, !tbaa !5
  br label %15

15:                                               ; preds = %37, %0
  %16 = load i64, ptr %5, align 8, !tbaa !5
  %17 = load i64, ptr %2, align 8, !tbaa !5
  %18 = icmp slt i64 %16, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %40

20:                                               ; preds = %15
  %21 = load ptr, ptr %3, align 8, !tbaa !9
  %22 = load i64, ptr %5, align 8, !tbaa !5
  %23 = getelementptr inbounds i64, ptr %21, i64 %22
  %24 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %23)
  %25 = load ptr, ptr %3, align 8, !tbaa !9
  %26 = load i64, ptr %5, align 8, !tbaa !5
  %27 = getelementptr inbounds i64, ptr %25, i64 %26
  %28 = load i64, ptr %27, align 8, !tbaa !5
  %29 = load i64, ptr %4, align 8, !tbaa !5
  %30 = icmp slt i64 %28, %29
  br i1 %30, label %31, label %36

31:                                               ; preds = %20
  %32 = load ptr, ptr %3, align 8, !tbaa !9
  %33 = load i64, ptr %5, align 8, !tbaa !5
  %34 = getelementptr inbounds i64, ptr %32, i64 %33
  %35 = load i64, ptr %34, align 8, !tbaa !5
  store i64 %35, ptr %4, align 8, !tbaa !5
  br label %36

36:                                               ; preds = %31, %20
  br label %37

37:                                               ; preds = %36
  %38 = load i64, ptr %5, align 8, !tbaa !5
  %39 = add nsw i64 %38, 1
  store i64 %39, ptr %5, align 8, !tbaa !5
  br label %15, !llvm.loop !11

40:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  store i64 0, ptr %6, align 8, !tbaa !5
  br label %41

41:                                               ; preds = %56, %40
  %42 = load i64, ptr %6, align 8, !tbaa !5
  %43 = load i64, ptr %2, align 8, !tbaa !5
  %44 = icmp slt i64 %42, %43
  br i1 %44, label %46, label %45

45:                                               ; preds = %41
  store i32 5, ptr %7, align 4
  br label %59

46:                                               ; preds = %41
  %47 = load ptr, ptr %3, align 8, !tbaa !9
  %48 = load i64, ptr %6, align 8, !tbaa !5
  %49 = getelementptr inbounds i64, ptr %47, i64 %48
  %50 = load i64, ptr %49, align 8, !tbaa !5
  %51 = load i64, ptr %4, align 8, !tbaa !5
  %52 = srem i64 %50, %51
  %53 = icmp ne i64 %52, 0
  br i1 %53, label %54, label %55

54:                                               ; preds = %46
  store i64 -1, ptr %4, align 8, !tbaa !5
  store i32 5, ptr %7, align 4
  br label %59

55:                                               ; preds = %46
  br label %56

56:                                               ; preds = %55
  %57 = load i64, ptr %6, align 8, !tbaa !5
  %58 = add nsw i64 %57, 1
  store i64 %58, ptr %6, align 8, !tbaa !5
  br label %41, !llvm.loop !13

59:                                               ; preds = %54, %45
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %60

60:                                               ; preds = %59
  %61 = load i64, ptr %4, align 8, !tbaa !5
  %62 = call i32 (ptr, ...) @printf(ptr noundef @.str, i64 noundef %61)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %63 = load i32, ptr %1, align 4
  ret i32 %63
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #3

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #4

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

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

attributes #0 = { mustprogress norecurse 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 = { "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 nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { nobuiltin allocsize(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 #5 = { nounwind }
attributes #6 = { builtin allocsize(0) }

!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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple 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"

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  store i64 0, ptr %1, align 8, !tbaa !5
  %2 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %3 = load i64, ptr %1, align 8, !tbaa !5
  %4 = icmp ugt i64 %3, 2305843009213693951
  %5 = shl i64 %3, 3
  %6 = select i1 %4, i64 -1, i64 %5
  %7 = call noalias noundef nonnull ptr @_Znam(i64 noundef %6) #6
  %8 = icmp sgt i64 %3, 0
  br i1 %8, label %.lr.ph, label %._crit_edge

.preheader:                                       ; preds = %.lr.ph
  %9 = icmp sgt i64 %14, 0
  br i1 %9, label %.lr.ph22, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.01519 = phi i64 [ %13, %.lr.ph ], [ 0, %0 ]
  %.01618 = phi i64 [ %spec.select, %.lr.ph ], [ 1000000000, %0 ]
  %10 = getelementptr inbounds i64, ptr %7, i64 %.01519
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %10)
  %12 = load i64, ptr %10, align 8, !tbaa !5
  %spec.select = call i64 @llvm.smin.i64(i64 %12, i64 %.01618)
  %13 = add nuw nsw i64 %.01519, 1
  %14 = load i64, ptr %1, align 8, !tbaa !5
  %15 = icmp slt i64 %13, %14
  br i1 %15, label %.lr.ph, label %.preheader, !llvm.loop !9

16:                                               ; preds = %.lr.ph22
  %17 = add nuw nsw i64 %.021, 1
  %exitcond.not = icmp eq i64 %17, %14
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph22, !llvm.loop !11

.lr.ph22:                                         ; preds = %.preheader, %16
  %.021 = phi i64 [ %17, %16 ], [ 0, %.preheader ]
  %18 = getelementptr inbounds i64, ptr %7, i64 %.021
  %19 = load i64, ptr %18, align 8, !tbaa !5
  %20 = srem i64 %19, %spec.select
  %.not = icmp eq i64 %20, 0
  br i1 %.not, label %16, label %._crit_edge

._crit_edge:                                      ; preds = %16, %.lr.ph22, %0, %.preheader
  %.2 = phi i64 [ %spec.select, %.preheader ], [ 1000000000, %0 ], [ -1, %.lr.ph22 ], [ %spec.select, %16 ]
  %21 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i64 noundef %.2)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0
}

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

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #3

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

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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smin.i64(i64, i64) #4

attributes #0 = { mustprogress norecurse 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 memory(argmem: readwrite) }
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" }
attributes #3 = { nobuiltin allocsize(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 #4 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { nounwind }
attributes #6 = { builtin allocsize(0) }

!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 = !{!"long", !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}


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