; LLVM IR from DionysiosB/CodeForces :: 1400-1499 (1478B-NezzarAndLuckyNumber)

; 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 [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  %6 = alloca i8, align 1
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %10

10:                                               ; preds = %75, %0
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = add nsw i32 %11, -1
  store i32 %12, ptr %2, align 4, !tbaa !5
  %13 = icmp ne i32 %11, 0
  br i1 %13, label %14, label %76

14:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4)
  br label %16

16:                                               ; preds = %74, %14
  %17 = load i64, ptr %3, align 8, !tbaa !9
  %18 = add nsw i64 %17, -1
  store i64 %18, ptr %3, align 8, !tbaa !9
  %19 = icmp ne i64 %17, 0
  br i1 %19, label %20, label %75

20:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %21 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %5)
  %22 = load i64, ptr %5, align 8, !tbaa !9
  %23 = load i32, ptr %4, align 4, !tbaa !5
  %24 = mul nsw i32 10, %23
  %25 = sext i32 %24 to i64
  %26 = icmp sgt i64 %22, %25
  br i1 %26, label %33, label %27

27:                                               ; preds = %20
  %28 = load i64, ptr %5, align 8, !tbaa !9
  %29 = load i32, ptr %4, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = srem i64 %28, %30
  %32 = icmp eq i64 %31, 0
  br i1 %32, label %33, label %35

33:                                               ; preds = %27, %20
  %34 = call i32 @puts(ptr noundef @.str.3)
  br label %74

35:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #3
  store i8 0, ptr %6, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 1, ptr %7, align 4, !tbaa !5
  br label %36

36:                                               ; preds = %64, %35
  %37 = load i32, ptr %7, align 4, !tbaa !5
  %38 = load i32, ptr %4, align 4, !tbaa !5
  %39 = icmp slt i32 %37, %38
  br i1 %39, label %41, label %40

40:                                               ; preds = %36
  store i32 6, ptr %8, align 4
  br label %67

41:                                               ; preds = %36
  %42 = load i64, ptr %5, align 8, !tbaa !9
  %43 = load i32, ptr %7, align 4, !tbaa !5
  %44 = mul nsw i32 10, %43
  %45 = load i32, ptr %4, align 4, !tbaa !5
  %46 = add nsw i32 %44, %45
  %47 = sext i32 %46 to i64
  %48 = icmp slt i64 %42, %47
  br i1 %48, label %49, label %50

49:                                               ; preds = %41
  store i32 6, ptr %8, align 4
  br label %67

50:                                               ; preds = %41
  %51 = load i64, ptr %5, align 8, !tbaa !9
  %52 = load i32, ptr %7, align 4, !tbaa !5
  %53 = mul nsw i32 10, %52
  %54 = load i32, ptr %4, align 4, !tbaa !5
  %55 = add nsw i32 %53, %54
  %56 = sext i32 %55 to i64
  %57 = sub nsw i64 %51, %56
  %58 = load i32, ptr %4, align 4, !tbaa !5
  %59 = sext i32 %58 to i64
  %60 = srem i64 %57, %59
  %61 = icmp eq i64 %60, 0
  br i1 %61, label %62, label %63

62:                                               ; preds = %50
  store i8 1, ptr %6, align 1, !tbaa !11
  store i32 6, ptr %8, align 4
  br label %67

63:                                               ; preds = %50
  br label %64

64:                                               ; preds = %63
  %65 = load i32, ptr %7, align 4, !tbaa !5
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %7, align 4, !tbaa !5
  br label %36, !llvm.loop !13

67:                                               ; preds = %62, %49, %40
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %68

68:                                               ; preds = %67
  %69 = load i8, ptr %6, align 1, !tbaa !11, !range !15, !noundef !16
  %70 = trunc i8 %69 to i1
  %71 = zext i1 %70 to i64
  %72 = select i1 %70, ptr @.str.3, ptr @.str.4
  %73 = call i32 @puts(ptr noundef %72)
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #3
  br label %74

74:                                               ; preds = %68, %33
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %16, !llvm.loop !17

75:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br label %10, !llvm.loop !18

76:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  %77 = load i32, ptr %1, align 4
  ret i32 %77
}

; 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

declare i32 @puts(ptr noundef) #2

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

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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = distinct !{!17, !14}
!18 = distinct !{!18, !14}


; 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 [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i32, align 4
  %4 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #3
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %6 = load i32, ptr %1, align 4, !tbaa !5
  %7 = add nsw i32 %6, -1
  store i32 %7, ptr %1, align 4, !tbaa !5
  %.not21 = icmp eq i32 %6, 0
  br i1 %.not21, label %._crit_edge24, label %.lr.ph23

.lr.ph23:                                         ; preds = %0, %._crit_edge20
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #3
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %9 = load i64, ptr %2, align 8, !tbaa !9
  %10 = add nsw i64 %9, -1
  store i64 %10, ptr %2, align 8, !tbaa !9
  %.not1117 = icmp eq i64 %9, 0
  br i1 %.not1117, label %._crit_edge20, label %.lr.ph19

.lr.ph19:                                         ; preds = %.lr.ph23, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %4)
  %12 = load i64, ptr %4, align 8, !tbaa !9
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = mul nsw i32 %13, 10
  %15 = sext i32 %14 to i64
  %16 = icmp sgt i64 %12, %15
  br i1 %16, label %._crit_edge, label %17

17:                                               ; preds = %.lr.ph19
  %18 = sext i32 %13 to i64
  %19 = srem i64 %12, %18
  %20 = icmp eq i64 %19, 0
  br i1 %20, label %._crit_edge, label %.preheader

.preheader:                                       ; preds = %17
  %21 = icmp sgt i32 %13, 1
  br i1 %21, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %.preheader
  %22 = zext nneg i32 %13 to i64
  br label %.lr.ph

23:                                               ; preds = %27
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %22
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !11

.lr.ph:                                           ; preds = %.lr.ph.preheader, %23
  %indvars.iv = phi i64 [ 1, %.lr.ph.preheader ], [ %indvars.iv.next, %23 ]
  %24 = mul nuw nsw i64 %indvars.iv, 10
  %25 = add nuw nsw i64 %24, %22
  %26 = icmp slt i64 %12, %25
  br i1 %26, label %._crit_edge, label %27

27:                                               ; preds = %.lr.ph
  %28 = sub nsw i64 %12, %25
  %29 = srem i64 %28, %18
  %30 = icmp eq i64 %29, 0
  br i1 %30, label %._crit_edge, label %23

._crit_edge:                                      ; preds = %27, %.lr.ph, %23, %.preheader, %.lr.ph19, %17
  %.06.sink = phi ptr [ @.str.3, %17 ], [ @.str.3, %.lr.ph19 ], [ @.str.4, %.preheader ], [ @.str.3, %27 ], [ @.str.4, %.lr.ph ], [ @.str.4, %23 ]
  %31 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %.06.sink)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  %32 = load i64, ptr %2, align 8, !tbaa !9
  %33 = add nsw i64 %32, -1
  store i64 %33, ptr %2, align 8, !tbaa !9
  %.not11 = icmp eq i64 %32, 0
  br i1 %.not11, label %._crit_edge20, label %.lr.ph19, !llvm.loop !13

._crit_edge20:                                    ; preds = %._crit_edge, %.lr.ph23
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  %34 = load i32, ptr %1, align 4, !tbaa !5
  %35 = add nsw i32 %34, -1
  store i32 %35, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %34, 0
  br i1 %.not, label %._crit_edge24, label %.lr.ph23, !llvm.loop !14

._crit_edge24:                                    ; preds = %._crit_edge20, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #3
  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: nofree nounwind
declare noundef i32 @puts(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

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 = { 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 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


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