; LLVM IR from DionysiosB/CodeForces :: 0200-0299 (222A-ShooshunsAndSequence)

; 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 [8 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 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 i64, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = add nsw i64 %11, 1
  %13 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %12, i64 8)
  %14 = extractvalue { i64, i1 } %13, 1
  %15 = extractvalue { i64, i1 } %13, 0
  %16 = select i1 %14, i64 -1, i64 %15
  %17 = call noalias noundef nonnull ptr @_Znam(i64 noundef %16) #6
  store ptr %17, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  store i64 1, ptr %5, align 8, !tbaa !5
  br label %18

18:                                               ; preds = %28, %0
  %19 = load i64, ptr %5, align 8, !tbaa !5
  %20 = load i64, ptr %2, align 8, !tbaa !5
  %21 = icmp sle i64 %19, %20
  br i1 %21, label %23, label %22

22:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %31

23:                                               ; preds = %18
  %24 = load ptr, ptr %4, align 8, !tbaa !9
  %25 = load i64, ptr %5, align 8, !tbaa !5
  %26 = getelementptr inbounds i64, ptr %24, i64 %25
  %27 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %26)
  br label %28

28:                                               ; preds = %23
  %29 = load i64, ptr %5, align 8, !tbaa !5
  %30 = add nsw i64 %29, 1
  store i64 %30, ptr %5, align 8, !tbaa !5
  br label %18, !llvm.loop !11

31:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %32 = load i64, ptr %2, align 8, !tbaa !5
  store i64 %32, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %33 = load ptr, ptr %4, align 8, !tbaa !9
  %34 = load i64, ptr %3, align 8, !tbaa !5
  %35 = getelementptr inbounds i64, ptr %33, i64 %34
  %36 = load i64, ptr %35, align 8, !tbaa !5
  store i64 %36, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %37 = load i64, ptr %2, align 8, !tbaa !5
  store i64 %37, ptr %8, align 8, !tbaa !5
  br label %38

38:                                               ; preds = %54, %31
  %39 = load i64, ptr %8, align 8, !tbaa !5
  %40 = icmp sgt i64 %39, 0
  br i1 %40, label %42, label %41

41:                                               ; preds = %38
  store i32 5, ptr %9, align 4
  br label %57

42:                                               ; preds = %38
  %43 = load ptr, ptr %4, align 8, !tbaa !9
  %44 = load i64, ptr %8, align 8, !tbaa !5
  %45 = getelementptr inbounds i64, ptr %43, i64 %44
  %46 = load i64, ptr %45, align 8, !tbaa !5
  %47 = load i64, ptr %7, align 8, !tbaa !5
  %48 = icmp eq i64 %46, %47
  br i1 %48, label %49, label %52

49:                                               ; preds = %42
  %50 = load i64, ptr %6, align 8, !tbaa !5
  %51 = add nsw i64 %50, -1
  store i64 %51, ptr %6, align 8, !tbaa !5
  br label %53

52:                                               ; preds = %42
  store i32 5, ptr %9, align 4
  br label %57

53:                                               ; preds = %49
  br label %54

54:                                               ; preds = %53
  %55 = load i64, ptr %8, align 8, !tbaa !5
  %56 = add nsw i64 %55, -1
  store i64 %56, ptr %8, align 8, !tbaa !5
  br label %38, !llvm.loop !13

57:                                               ; preds = %52, %41
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %58

58:                                               ; preds = %57
  %59 = load i64, ptr %6, align 8, !tbaa !5
  %60 = load i64, ptr %3, align 8, !tbaa !5
  %61 = icmp sge i64 %59, %60
  br i1 %61, label %62, label %63

62:                                               ; preds = %58
  store i64 -1, ptr %6, align 8, !tbaa !5
  br label %63

63:                                               ; preds = %62, %58
  %64 = load i64, ptr %6, align 8, !tbaa !5
  %65 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %64)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  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
  %66 = load i32, ptr %1, align 4
  ret i32 %66
}

; 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 [8 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %4 = load i64, ptr %1, align 8, !tbaa !5
  %5 = add nsw i64 %4, 1
  %6 = icmp ugt i64 %5, 2305843009213693951
  %7 = shl i64 %5, 3
  %8 = select i1 %6, i64 -1, i64 %7
  %9 = call noalias noundef nonnull ptr @_Znam(i64 noundef %8) #5
  %.not17 = icmp slt i64 %4, 1
  br i1 %.not17, label %._crit_edge.thread, label %.lr.ph

._crit_edge.thread:                               ; preds = %0
  %10 = load i64, ptr %2, align 8, !tbaa !5
  br label %._crit_edge23

._crit_edge:                                      ; preds = %.lr.ph
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds i64, ptr %9, i64 %11
  %13 = load i64, ptr %12, align 8, !tbaa !5
  %14 = icmp sgt i64 %18, 0
  br i1 %14, label %.lr.ph22, label %._crit_edge23

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.01418 = phi i64 [ %17, %.lr.ph ], [ 1, %0 ]
  %15 = getelementptr inbounds i64, ptr %9, i64 %.01418
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %15)
  %17 = add nuw nsw i64 %.01418, 1
  %18 = load i64, ptr %1, align 8, !tbaa !5
  %.not.not = icmp slt i64 %.01418, %18
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !9

.lr.ph22:                                         ; preds = %._crit_edge, %22
  %.020 = phi i64 [ %23, %22 ], [ %18, %._crit_edge ]
  %19 = getelementptr inbounds i64, ptr %9, i64 %.020
  %20 = load i64, ptr %19, align 8, !tbaa !5
  %21 = icmp eq i64 %20, %13
  br i1 %21, label %22, label %._crit_edge23

22:                                               ; preds = %.lr.ph22
  %23 = add nsw i64 %.020, -1
  %24 = icmp sgt i64 %.020, 1
  br i1 %24, label %.lr.ph22, label %._crit_edge23, !llvm.loop !11

._crit_edge23:                                    ; preds = %22, %.lr.ph22, %._crit_edge.thread, %._crit_edge
  %25 = phi i64 [ %11, %._crit_edge ], [ %10, %._crit_edge.thread ], [ %11, %.lr.ph22 ], [ %11, %22 ]
  %.013.lcssa = phi i64 [ %18, %._crit_edge ], [ %4, %._crit_edge.thread ], [ 0, %22 ], [ %.020, %.lr.ph22 ]
  %.not16 = icmp slt i64 %.013.lcssa, %25
  %spec.store.select = select i1 %.not16, i64 %.013.lcssa, i64 -1
  %26 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %spec.store.select)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  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

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 = { nounwind }
attributes #5 = { 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