; LLVM IR from DionysiosB/CodeForces :: 0700-0799 (767B-TheQueue)

; 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 [15 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 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 i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 1000000000000000000, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 1000000000000000000, ptr %7, align 8, !tbaa !5
  br label %12

12:                                               ; preds = %78, %0
  %13 = load i64, ptr %5, align 8, !tbaa !5
  %14 = add nsw i64 %13, -1
  store i64 %14, ptr %5, align 8, !tbaa !5
  %15 = icmp ne i64 %13, 0
  br i1 %15, label %16, label %79

16:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %8)
  %18 = load i64, ptr %8, align 8, !tbaa !5
  %19 = icmp sgt i64 %18, 0
  br i1 %19, label %20, label %78

20:                                               ; preds = %16
  %21 = load i64, ptr %8, align 8, !tbaa !5
  %22 = load i64, ptr %3, align 8, !tbaa !5
  %23 = load i64, ptr %4, align 8, !tbaa !5
  %24 = sub nsw i64 %22, %23
  %25 = icmp sle i64 %21, %24
  br i1 %25, label %26, label %78

26:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %27 = load i64, ptr %2, align 8, !tbaa !5
  %28 = load i64, ptr %8, align 8, !tbaa !5
  %29 = sub nsw i64 %28, 1
  %30 = icmp sgt i64 %27, %29
  br i1 %30, label %31, label %33

31:                                               ; preds = %26
  %32 = load i64, ptr %2, align 8, !tbaa !5
  br label %36

33:                                               ; preds = %26
  %34 = load i64, ptr %8, align 8, !tbaa !5
  %35 = sub nsw i64 %34, 1
  br label %36

36:                                               ; preds = %33, %31
  %37 = phi i64 [ %32, %31 ], [ %35, %33 ]
  store i64 %37, ptr %9, align 8, !tbaa !5
  %38 = load i64, ptr %9, align 8, !tbaa !5
  %39 = load i64, ptr %3, align 8, !tbaa !5
  %40 = load i64, ptr %4, align 8, !tbaa !5
  %41 = sub nsw i64 %39, %40
  %42 = icmp sle i64 %38, %41
  br i1 %42, label %43, label %66

43:                                               ; preds = %36
  %44 = load i64, ptr %2, align 8, !tbaa !5
  %45 = load i64, ptr %8, align 8, !tbaa !5
  %46 = sub nsw i64 %44, %45
  %47 = add nsw i64 %46, 1
  %48 = load i64, ptr %6, align 8, !tbaa !5
  %49 = icmp slt i64 %47, %48
  br i1 %49, label %50, label %66

50:                                               ; preds = %43
  %51 = load i64, ptr %2, align 8, !tbaa !5
  %52 = load i64, ptr %8, align 8, !tbaa !5
  %53 = sub nsw i64 %51, %52
  %54 = add nsw i64 %53, 1
  store i64 %54, ptr %6, align 8, !tbaa !5
  %55 = load i64, ptr %8, align 8, !tbaa !5
  %56 = sub nsw i64 %55, 1
  %57 = load i64, ptr %2, align 8, !tbaa !5
  %58 = icmp slt i64 %56, %57
  br i1 %58, label %59, label %62

59:                                               ; preds = %50
  %60 = load i64, ptr %8, align 8, !tbaa !5
  %61 = sub nsw i64 %60, 1
  br label %64

62:                                               ; preds = %50
  %63 = load i64, ptr %2, align 8, !tbaa !5
  br label %64

64:                                               ; preds = %62, %59
  %65 = phi i64 [ %61, %59 ], [ %63, %62 ]
  store i64 %65, ptr %7, align 8, !tbaa !5
  br label %66

66:                                               ; preds = %64, %43, %36
  %67 = load i64, ptr %2, align 8, !tbaa !5
  %68 = load i64, ptr %8, align 8, !tbaa !5
  %69 = icmp sgt i64 %67, %68
  br i1 %69, label %70, label %72

70:                                               ; preds = %66
  %71 = load i64, ptr %2, align 8, !tbaa !5
  br label %74

72:                                               ; preds = %66
  %73 = load i64, ptr %8, align 8, !tbaa !5
  br label %74

74:                                               ; preds = %72, %70
  %75 = phi i64 [ %71, %70 ], [ %73, %72 ]
  %76 = load i64, ptr %4, align 8, !tbaa !5
  %77 = add nsw i64 %75, %76
  store i64 %77, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  br label %78

78:                                               ; preds = %74, %20, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %12, !llvm.loop !9

79:                                               ; preds = %12
  %80 = load i64, ptr %2, align 8, !tbaa !5
  %81 = load i64, ptr %3, align 8, !tbaa !5
  %82 = load i64, ptr %4, align 8, !tbaa !5
  %83 = sub nsw i64 %81, %82
  %84 = icmp sle i64 %80, %83
  br i1 %84, label %85, label %87

85:                                               ; preds = %79
  %86 = load i64, ptr %2, align 8, !tbaa !5
  store i64 %86, ptr %7, align 8, !tbaa !5
  br label %87

87:                                               ; preds = %85, %79
  %88 = load i64, ptr %7, align 8, !tbaa !5
  %89 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %88)
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  ret i32 0
}

; 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 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 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"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"

@.str = external hidden unnamed_addr constant [15 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = 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
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %4)
  %8 = load i64, ptr %4, align 8, !tbaa !5
  %9 = add nsw i64 %8, -1
  store i64 %9, ptr %4, align 8, !tbaa !5
  %.not16 = icmp eq i64 %8, 0
  br i1 %.not16, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %29
  %.018 = phi i64 [ %.2, %29 ], [ 1000000000000000000, %0 ]
  %.0317 = phi i64 [ %.25, %29 ], [ 1000000000000000000, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %5)
  %11 = load i64, ptr %5, align 8
  %12 = icmp sgt i64 %11, 0
  br i1 %12, label %13, label %29

13:                                               ; preds = %.lr.ph
  %14 = load i64, ptr %2, align 8, !tbaa !5
  %15 = load i64, ptr %3, align 8, !tbaa !5
  %16 = sub nsw i64 %14, %15
  %.not11 = icmp sgt i64 %11, %16
  br i1 %.not11, label %29, label %17

17:                                               ; preds = %13
  %18 = load i64, ptr %1, align 8
  %19 = add nsw i64 %11, -1
  %.not12 = icmp slt i64 %18, %11
  %20 = select i1 %.not12, i64 %19, i64 %18
  %.not13 = icmp sgt i64 %20, %16
  br i1 %.not13, label %26, label %21

21:                                               ; preds = %17
  %22 = sub nsw i64 %18, %11
  %23 = add nsw i64 %22, 1
  %24 = icmp slt i64 %23, %.018
  %25 = select i1 %.not12, i64 %18, i64 %19
  %spec.select = select i1 %24, i64 %25, i64 %.0317
  %spec.select14 = call i64 @llvm.smin.i64(i64 %23, i64 %.018)
  br label %26

26:                                               ; preds = %21, %17
  %.14 = phi i64 [ %.0317, %17 ], [ %spec.select, %21 ]
  %.1 = phi i64 [ %.018, %17 ], [ %spec.select14, %21 ]
  %27 = call i64 @llvm.smax.i64(i64 %18, i64 %11)
  %28 = add nsw i64 %27, %15
  store i64 %28, ptr %1, align 8, !tbaa !5
  br label %29

29:                                               ; preds = %26, %13, %.lr.ph
  %.25 = phi i64 [ %.14, %26 ], [ %.0317, %13 ], [ %.0317, %.lr.ph ]
  %.2 = phi i64 [ %.1, %26 ], [ %.018, %13 ], [ %.018, %.lr.ph ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  %30 = load i64, ptr %4, align 8, !tbaa !5
  %31 = add nsw i64 %30, -1
  store i64 %31, ptr %4, align 8, !tbaa !5
  %.not = icmp eq i64 %30, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %29, %0
  %.03.lcssa = phi i64 [ 1000000000000000000, %0 ], [ %.25, %29 ]
  %32 = load i64, ptr %1, align 8, !tbaa !5
  %33 = load i64, ptr %2, align 8, !tbaa !5
  %34 = load i64, ptr %3, align 8, !tbaa !5
  %35 = sub nsw i64 %33, %34
  %.not10 = icmp sgt i64 %32, %35
  %spec.select15 = select i1 %.not10, i64 %.03.lcssa, i64 %32
  %36 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %spec.select15)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  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: 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.smax.i64(i64, i64) #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smin.i64(i64, i64) #3

attributes #0 = { mustprogress nofree norecurse 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 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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