; LLVM IR from Shah-Shishir/Codeforces-Solutions :: 352A. Jeff and Digits (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 [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 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 i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  br label %8

8:                                                ; preds = %72, %0
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  %10 = icmp ne i32 %9, -1
  br i1 %10, label %11, label %73

11:                                               ; preds = %8
  store i32 0, ptr %5, align 4, !tbaa !5
  store i32 0, ptr %4, align 4, !tbaa !5
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %27, %11
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = load i32, ptr %2, align 4, !tbaa !5
  %15 = icmp sle i32 %13, %14
  br i1 %15, label %16, label %30

16:                                               ; preds = %12
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %6)
  %18 = load i32, ptr %6, align 4, !tbaa !5
  %19 = icmp eq i32 %18, 5
  br i1 %19, label %20, label %23

20:                                               ; preds = %16
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = add nsw i32 %21, 1
  store i32 %22, ptr %4, align 4, !tbaa !5
  br label %26

23:                                               ; preds = %16
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = add nsw i32 %24, 1
  store i32 %25, ptr %5, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %23, %20
  br label %27

27:                                               ; preds = %26
  %28 = load i32, ptr %3, align 4, !tbaa !5
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %3, align 4, !tbaa !5
  br label %12, !llvm.loop !9

30:                                               ; preds = %12
  %31 = load i32, ptr %4, align 4, !tbaa !5
  %32 = sdiv i32 %31, 9
  store i32 %32, ptr %7, align 4, !tbaa !5
  %33 = load i32, ptr %7, align 4, !tbaa !5
  %34 = icmp eq i32 %33, 0
  br i1 %34, label %35, label %43

35:                                               ; preds = %30
  %36 = load i32, ptr %5, align 4, !tbaa !5
  %37 = icmp sgt i32 %36, 0
  br i1 %37, label %38, label %40

38:                                               ; preds = %35
  %39 = call i32 (ptr, ...) @printf(ptr noundef @.str.1)
  br label %42

40:                                               ; preds = %35
  %41 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  br label %42

42:                                               ; preds = %40, %38
  br label %72

43:                                               ; preds = %30
  %44 = load i32, ptr %5, align 4, !tbaa !5
  %45 = icmp sgt i32 %44, 0
  br i1 %45, label %46, label %69

46:                                               ; preds = %43
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %47

47:                                               ; preds = %54, %46
  %48 = load i32, ptr %3, align 4, !tbaa !5
  %49 = load i32, ptr %7, align 4, !tbaa !5
  %50 = mul nsw i32 9, %49
  %51 = icmp sle i32 %48, %50
  br i1 %51, label %52, label %57

52:                                               ; preds = %47
  %53 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  br label %54

54:                                               ; preds = %52
  %55 = load i32, ptr %3, align 4, !tbaa !5
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %3, align 4, !tbaa !5
  br label %47, !llvm.loop !11

57:                                               ; preds = %47
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %58

58:                                               ; preds = %64, %57
  %59 = load i32, ptr %3, align 4, !tbaa !5
  %60 = load i32, ptr %5, align 4, !tbaa !5
  %61 = icmp sle i32 %59, %60
  br i1 %61, label %62, label %67

62:                                               ; preds = %58
  %63 = call i32 (ptr, ...) @printf(ptr noundef @.str.4)
  br label %64

64:                                               ; preds = %62
  %65 = load i32, ptr %3, align 4, !tbaa !5
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %3, align 4, !tbaa !5
  br label %58, !llvm.loop !12

67:                                               ; preds = %58
  %68 = call i32 (ptr, ...) @printf(ptr noundef @.str.5)
  br label %71

69:                                               ; preds = %43
  %70 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  br label %71

71:                                               ; preds = %69, %67
  br label %72

72:                                               ; preds = %71, %42
  br label %8, !llvm.loop !13

73:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 4, 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

declare i32 @printf(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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !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 [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 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 i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %.not38 = icmp eq i32 %3, -1
  br i1 %.not38, label %._crit_edge39, label %.preheader25

.preheader25:                                     ; preds = %0, %._crit_edge37
  %4 = load i32, ptr %1, align 4, !tbaa !5
  %.not1926 = icmp slt i32 %4, 1
  br i1 %.not1926, label %.thread, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader25, %.lr.ph
  %.029 = phi i32 [ %10, %.lr.ph ], [ 1, %.preheader25 ]
  %.01428 = phi i32 [ %.115, %.lr.ph ], [ 0, %.preheader25 ]
  %.01627 = phi i32 [ %.117, %.lr.ph ], [ 0, %.preheader25 ]
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %6 = load i32, ptr %2, align 4, !tbaa !5
  %7 = icmp eq i32 %6, 5
  %8 = zext i1 %7 to i32
  %.117 = add i32 %.01627, %8
  %not. = xor i1 %7, true
  %9 = zext i1 %not. to i32
  %.115 = add nuw nsw i32 %.01428, %9
  %10 = add nuw nsw i32 %.029, 1
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %.not19.not = icmp slt i32 %.029, %11
  br i1 %.not19.not, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph
  %.016.off = add i32 %.117, 8
  %12 = icmp ult i32 %.016.off, 17
  %.not23 = icmp eq i32 %.115, 0
  br i1 %12, label %13, label %14

13:                                               ; preds = %._crit_edge
  br i1 %.not23, label %.thread, label %._crit_edge37

.thread:                                          ; preds = %.preheader25, %13
  br label %._crit_edge37

14:                                               ; preds = %._crit_edge
  br i1 %.not23, label %._crit_edge37, label %.preheader24

.preheader24:                                     ; preds = %14
  %15 = srem i32 %.117, 9
  %16 = sub i32 %.117, %15
  %.not2031 = icmp slt i32 %16, 1
  br i1 %.not2031, label %.lr.ph36.preheader, label %.lr.ph33.preheader

.lr.ph33.preheader:                               ; preds = %.preheader24
  %17 = add nuw i32 %.117, 1
  %18 = sub i32 %17, %15
  br label %.lr.ph33

.lr.ph36.preheader:                               ; preds = %.lr.ph33, %.preheader24
  %umax = call i32 @llvm.umax.i32(i32 %.115, i32 1)
  br label %.lr.ph36

.lr.ph33:                                         ; preds = %.lr.ph33.preheader, %.lr.ph33
  %.132 = phi i32 [ %20, %.lr.ph33 ], [ 1, %.lr.ph33.preheader ]
  %19 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  %20 = add nuw i32 %.132, 1
  %exitcond.not = icmp eq i32 %20, %18
  br i1 %exitcond.not, label %.lr.ph36.preheader, label %.lr.ph33, !llvm.loop !11

.lr.ph36:                                         ; preds = %.lr.ph36.preheader, %.lr.ph36
  %.235 = phi i32 [ %22, %.lr.ph36 ], [ 1, %.lr.ph36.preheader ]
  %21 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4)
  %22 = add nuw i32 %.235, 1
  %exitcond40.not = icmp eq i32 %.235, %umax
  br i1 %exitcond40.not, label %._crit_edge37, label %.lr.ph36, !llvm.loop !12

._crit_edge37:                                    ; preds = %.lr.ph36, %14, %13, %.thread
  %.str.5.sink = phi ptr [ @.str.2, %.thread ], [ @.str.1, %13 ], [ @.str.2, %14 ], [ @.str.5, %.lr.ph36 ]
  %23 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) %.str.5.sink)
  %24 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %.not = icmp eq i32 %24, -1
  br i1 %.not, label %._crit_edge39, label %.preheader25, !llvm.loop !13

._crit_edge39:                                    ; preds = %._crit_edge37, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 4, 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: nofree nounwind
declare noundef i32 @printf(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: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umax.i32(i32, i32) #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 = !{!"int", !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}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


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