; LLVM IR from DionysiosB/CodeForces :: 0200-0299 (260A-AddingDigits)

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

11:                                               ; preds = %29, %0
  %12 = load i32, ptr %6, align 4, !tbaa !11
  %13 = icmp slt i32 %12, 10
  br i1 %13, label %15, label %14

14:                                               ; preds = %11
  store i32 2, ptr %7, align 4
  br label %32

15:                                               ; preds = %11
  %16 = load i64, ptr %2, align 8, !tbaa !9
  %17 = load i32, ptr %6, align 4, !tbaa !11
  %18 = sext i32 %17 to i64
  %19 = add nsw i64 %16, %18
  %20 = load i64, ptr %3, align 8, !tbaa !9
  %21 = srem i64 %19, %20
  %22 = icmp eq i64 %21, 0
  br i1 %22, label %23, label %28

23:                                               ; preds = %15
  %24 = load i32, ptr %6, align 4, !tbaa !11
  %25 = sext i32 %24 to i64
  %26 = load i64, ptr %2, align 8, !tbaa !9
  %27 = add nsw i64 %26, %25
  store i64 %27, ptr %2, align 8, !tbaa !9
  store i8 1, ptr %5, align 1, !tbaa !5
  store i32 2, ptr %7, align 4
  br label %32

28:                                               ; preds = %15
  br label %29

29:                                               ; preds = %28
  %30 = load i32, ptr %6, align 4, !tbaa !11
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %6, align 4, !tbaa !11
  br label %11, !llvm.loop !13

32:                                               ; preds = %23, %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %33

33:                                               ; preds = %32
  %34 = load i8, ptr %5, align 1, !tbaa !5, !range !15, !noundef !16
  %35 = trunc i8 %34 to i1
  br i1 %35, label %36, label %47

36:                                               ; preds = %33
  %37 = load i64, ptr %2, align 8, !tbaa !9
  %38 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %37)
  br label %39

39:                                               ; preds = %43, %36
  %40 = load i64, ptr %4, align 8, !tbaa !9
  %41 = add nsw i64 %40, -1
  store i64 %41, ptr %4, align 8, !tbaa !9
  %42 = icmp ne i64 %41, 0
  br i1 %42, label %43, label %45

43:                                               ; preds = %39
  %44 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  br label %39, !llvm.loop !17

45:                                               ; preds = %39
  %46 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  br label %49

47:                                               ; preds = %33
  %48 = call i32 @puts(ptr noundef @.str.4)
  br label %49

49:                                               ; preds = %47, %45
  store i32 0, ptr %1, align 4
  store i32 1, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 1, 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
  %50 = load i32, ptr %1, align 4
  ret i32 %50
}

; 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

declare i32 @puts(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 = !{!"bool", !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 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = distinct !{!17, !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 [12 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 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 i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %5 = load i64, ptr %1, align 8, !tbaa !5
  %6 = mul nsw i64 %5, 10
  store i64 %6, ptr %1, align 8, !tbaa !5
  %7 = load i64, ptr %2, align 8, !tbaa !5
  %8 = srem i64 %6, %7
  %9 = icmp eq i64 %8, 0
  br i1 %9, label %47, label %10

10:                                               ; preds = %0
  %11 = or disjoint i64 %6, 1
  %12 = srem i64 %11, %7
  %13 = icmp eq i64 %12, 0
  br i1 %13, label %47, label %14

14:                                               ; preds = %10
  %15 = add nsw i64 %6, 2
  %16 = srem i64 %15, %7
  %17 = icmp eq i64 %16, 0
  br i1 %17, label %47, label %18

18:                                               ; preds = %14
  %19 = add nsw i64 %6, 3
  %20 = srem i64 %19, %7
  %21 = icmp eq i64 %20, 0
  br i1 %21, label %47, label %22

22:                                               ; preds = %18
  %23 = add nsw i64 %6, 4
  %24 = srem i64 %23, %7
  %25 = icmp eq i64 %24, 0
  br i1 %25, label %47, label %26

26:                                               ; preds = %22
  %27 = add nsw i64 %6, 5
  %28 = srem i64 %27, %7
  %29 = icmp eq i64 %28, 0
  br i1 %29, label %47, label %30

30:                                               ; preds = %26
  %31 = add nsw i64 %6, 6
  %32 = srem i64 %31, %7
  %33 = icmp eq i64 %32, 0
  br i1 %33, label %47, label %34

34:                                               ; preds = %30
  %35 = add nsw i64 %6, 7
  %36 = srem i64 %35, %7
  %37 = icmp eq i64 %36, 0
  br i1 %37, label %47, label %38

38:                                               ; preds = %34
  %39 = add nsw i64 %6, 8
  %40 = srem i64 %39, %7
  %41 = icmp eq i64 %40, 0
  br i1 %41, label %47, label %42

42:                                               ; preds = %38
  %43 = add nsw i64 %6, 9
  %44 = srem i64 %43, %7
  %45 = icmp eq i64 %44, 0
  br i1 %45, label %47, label %.critedge

.critedge:                                        ; preds = %42
  %46 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.4)
  br label %55

47:                                               ; preds = %42, %38, %34, %30, %26, %22, %18, %14, %10, %0
  %.lcssa = phi i64 [ %6, %0 ], [ %11, %10 ], [ %15, %14 ], [ %19, %18 ], [ %23, %22 ], [ %27, %26 ], [ %31, %30 ], [ %35, %34 ], [ %39, %38 ], [ %43, %42 ]
  store i64 %.lcssa, ptr %1, align 8, !tbaa !5
  %48 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.lcssa)
  %49 = load i64, ptr %3, align 8, !tbaa !5
  %50 = add nsw i64 %49, -1
  store i64 %50, ptr %3, align 8, !tbaa !5
  %.not8 = icmp eq i64 %50, 0
  br i1 %.not8, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %47, %.lr.ph
  %51 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  %52 = load i64, ptr %3, align 8, !tbaa !5
  %53 = add nsw i64 %52, -1
  store i64 %53, ptr %3, align 8, !tbaa !5
  %.not = icmp eq i64 %53, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %47
  %54 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  br label %55

55:                                               ; preds = %.critedge, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  call void @llvm.lifetime.end.p0(i64 8, 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: 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: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #2

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 = !{!"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,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass