; LLVM IR from DionysiosB/CodeForces :: 1771A-HossamAndCombinatorics (main)

; 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 [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
  %10 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %12

12:                                               ; preds = %70, %0
  %13 = load i64, ptr %2, align 8, !tbaa !5
  %14 = add nsw i64 %13, -1
  store i64 %14, ptr %2, align 8, !tbaa !5
  %15 = icmp ne i64 %13, 0
  br i1 %15, label %16, label %74

16:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  store i64 0, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store i64 0, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 1000000, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 0, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  store i64 0, ptr %8, align 8, !tbaa !5
  br label %18

18:                                               ; preds = %53, %16
  %19 = load i64, ptr %8, align 8, !tbaa !5
  %20 = load i64, ptr %3, align 8, !tbaa !5
  %21 = icmp slt i64 %19, %20
  br i1 %21, label %23, label %22

22:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %56

23:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %24 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %9)
  %25 = load i64, ptr %9, align 8, !tbaa !5
  %26 = load i64, ptr %4, align 8, !tbaa !5
  %27 = icmp sgt i64 %25, %26
  br i1 %27, label %28, label %30

28:                                               ; preds = %23
  %29 = load i64, ptr %9, align 8, !tbaa !5
  store i64 %29, ptr %4, align 8, !tbaa !5
  store i64 1, ptr %5, align 8, !tbaa !5
  br label %38

30:                                               ; preds = %23
  %31 = load i64, ptr %9, align 8, !tbaa !5
  %32 = load i64, ptr %4, align 8, !tbaa !5
  %33 = icmp eq i64 %31, %32
  br i1 %33, label %34, label %37

34:                                               ; preds = %30
  %35 = load i64, ptr %5, align 8, !tbaa !5
  %36 = add nsw i64 %35, 1
  store i64 %36, ptr %5, align 8, !tbaa !5
  br label %37

37:                                               ; preds = %34, %30
  br label %38

38:                                               ; preds = %37, %28
  %39 = load i64, ptr %9, align 8, !tbaa !5
  %40 = load i64, ptr %6, align 8, !tbaa !5
  %41 = icmp slt i64 %39, %40
  br i1 %41, label %42, label %44

42:                                               ; preds = %38
  %43 = load i64, ptr %9, align 8, !tbaa !5
  store i64 %43, ptr %6, align 8, !tbaa !5
  store i64 1, ptr %7, align 8, !tbaa !5
  br label %52

44:                                               ; preds = %38
  %45 = load i64, ptr %9, align 8, !tbaa !5
  %46 = load i64, ptr %6, align 8, !tbaa !5
  %47 = icmp eq i64 %45, %46
  br i1 %47, label %48, label %51

48:                                               ; preds = %44
  %49 = load i64, ptr %7, align 8, !tbaa !5
  %50 = add nsw i64 %49, 1
  store i64 %50, ptr %7, align 8, !tbaa !5
  br label %51

51:                                               ; preds = %48, %44
  br label %52

52:                                               ; preds = %51, %42
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  br label %53

53:                                               ; preds = %52
  %54 = load i64, ptr %8, align 8, !tbaa !5
  %55 = add nsw i64 %54, 1
  store i64 %55, ptr %8, align 8, !tbaa !5
  br label %18, !llvm.loop !9

56:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %57 = load i64, ptr %6, align 8, !tbaa !5
  %58 = load i64, ptr %4, align 8, !tbaa !5
  %59 = icmp slt i64 %57, %58
  br i1 %59, label %60, label %65

60:                                               ; preds = %56
  %61 = load i64, ptr %7, align 8, !tbaa !5
  %62 = mul nsw i64 2, %61
  %63 = load i64, ptr %5, align 8, !tbaa !5
  %64 = mul nsw i64 %62, %63
  br label %70

65:                                               ; preds = %56
  %66 = load i64, ptr %3, align 8, !tbaa !5
  %67 = sub nsw i64 %66, 1
  %68 = load i64, ptr %3, align 8, !tbaa !5
  %69 = mul nsw i64 %67, %68
  br label %70

70:                                               ; preds = %65, %60
  %71 = phi i64 [ %64, %60 ], [ %69, %65 ]
  store i64 %71, ptr %10, align 8, !tbaa !5
  %72 = load i64, ptr %10, align 8, !tbaa !5
  %73 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %72)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  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
  br label %12, !llvm.loop !11

74:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  %75 = load i32, ptr %1, align 4
  ret i32 %75
}

; 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 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}


; 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 [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
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %5 = load i64, ptr %1, align 8, !tbaa !5
  %6 = add nsw i64 %5, -1
  store i64 %6, ptr %1, align 8, !tbaa !5
  %.not36 = icmp eq i64 %5, 0
  br i1 %.not36, label %._crit_edge39, label %.lr.ph38

.lr.ph38:                                         ; preds = %0, %27
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %8 = load i64, ptr %2, align 8, !tbaa !5
  %9 = icmp sgt i64 %8, 0
  br i1 %9, label %.lr.ph, label %._crit_edge.thread

._crit_edge:                                      ; preds = %.lr.ph
  %10 = icmp slt i64 %.118, %.1
  br i1 %10, label %22, label %._crit_edge.thread

.lr.ph:                                           ; preds = %.lr.ph38, %.lr.ph
  %.031 = phi i64 [ %.1, %.lr.ph ], [ 0, %.lr.ph38 ]
  %.01430 = phi i64 [ %19, %.lr.ph ], [ 0, %.lr.ph38 ]
  %.01529 = phi i64 [ %.116, %.lr.ph ], [ 0, %.lr.ph38 ]
  %.01728 = phi i64 [ %.118, %.lr.ph ], [ 1000000, %.lr.ph38 ]
  %.01927 = phi i64 [ %.120, %.lr.ph ], [ 0, %.lr.ph38 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3)
  %12 = load i64, ptr %3, align 8, !tbaa !5
  %13 = icmp sgt i64 %12, %.031
  %14 = icmp eq i64 %12, %.031
  %15 = zext i1 %14 to i64
  %spec.select = add nsw i64 %.01927, %15
  %.120 = select i1 %13, i64 1, i64 %spec.select
  %.1 = call i64 @llvm.smax.i64(i64 %12, i64 %.031)
  %16 = icmp slt i64 %12, %.01728
  %17 = icmp eq i64 %12, %.01728
  %18 = zext i1 %17 to i64
  %spec.select26 = add nsw i64 %.01529, %18
  %.118 = call i64 @llvm.smin.i64(i64 %12, i64 %.01728)
  %.116 = select i1 %16, i64 1, i64 %spec.select26
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  %19 = add nuw nsw i64 %.01430, 1
  %20 = load i64, ptr %2, align 8, !tbaa !5
  %21 = icmp slt i64 %19, %20
  br i1 %21, label %.lr.ph, label %._crit_edge, !llvm.loop !9

22:                                               ; preds = %._crit_edge
  %23 = shl i64 %.120, 1
  %24 = mul i64 %23, %.116
  br label %27

._crit_edge.thread:                               ; preds = %.lr.ph38, %._crit_edge
  %.lcssa46 = phi i64 [ %20, %._crit_edge ], [ %8, %.lr.ph38 ]
  %25 = add nsw i64 %.lcssa46, -1
  %26 = mul nsw i64 %25, %.lcssa46
  br label %27

27:                                               ; preds = %._crit_edge.thread, %22
  %28 = phi i64 [ %24, %22 ], [ %26, %._crit_edge.thread ]
  %29 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %28)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  %30 = load i64, ptr %1, align 8, !tbaa !5
  %31 = add nsw i64 %30, -1
  store i64 %31, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %30, 0
  br i1 %.not, label %._crit_edge39, label %.lr.ph38, !llvm.loop !11

._crit_edge39:                                    ; preds = %27, %0
  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 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,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass