; LLVM IR from Shah-Shishir/Codeforces-Solutions :: 1213C. Book Reading (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.2 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.3 = 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 i32, align 4
  %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
  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 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %10

10:                                               ; preds = %60, %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 %63

14:                                               ; preds = %10
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %3, ptr noundef %4)
  %16 = load i64, ptr %4, align 8, !tbaa !9
  %17 = srem i64 %16, 10
  %18 = icmp eq i64 %17, 0
  br i1 %18, label %19, label %20

19:                                               ; preds = %14
  store i64 0, ptr %5, align 8, !tbaa !9
  br label %33

20:                                               ; preds = %14
  %21 = load i64, ptr %4, align 8, !tbaa !9
  %22 = srem i64 %21, 5
  %23 = icmp eq i64 %22, 0
  br i1 %23, label %24, label %25

24:                                               ; preds = %20
  store i64 25, ptr %5, align 8, !tbaa !9
  br label %32

25:                                               ; preds = %20
  %26 = load i64, ptr %4, align 8, !tbaa !9
  %27 = srem i64 %26, 2
  %28 = icmp eq i64 %27, 0
  br i1 %28, label %29, label %30

29:                                               ; preds = %25
  store i64 40, ptr %5, align 8, !tbaa !9
  br label %31

30:                                               ; preds = %25
  store i64 45, ptr %5, align 8, !tbaa !9
  br label %31

31:                                               ; preds = %30, %29
  br label %32

32:                                               ; preds = %31, %24
  br label %33

33:                                               ; preds = %32, %19
  %34 = load i64, ptr %3, align 8, !tbaa !9
  %35 = load i64, ptr %4, align 8, !tbaa !9
  %36 = mul nsw i64 %35, 10
  %37 = sdiv i64 %34, %36
  store i64 %37, ptr %7, align 8, !tbaa !9
  %38 = load i64, ptr %7, align 8, !tbaa !9
  %39 = load i64, ptr %5, align 8, !tbaa !9
  %40 = mul nsw i64 %38, %39
  store i64 %40, ptr %6, align 8, !tbaa !9
  %41 = load i64, ptr %7, align 8, !tbaa !9
  %42 = load i64, ptr %4, align 8, !tbaa !9
  %43 = mul nsw i64 %41, %42
  %44 = mul nsw i64 %43, 10
  %45 = load i64, ptr %4, align 8, !tbaa !9
  %46 = add nsw i64 %44, %45
  store i64 %46, ptr %8, align 8, !tbaa !9
  br label %47

47:                                               ; preds = %56, %33
  %48 = load i64, ptr %8, align 8, !tbaa !9
  %49 = load i64, ptr %3, align 8, !tbaa !9
  %50 = icmp sle i64 %48, %49
  br i1 %50, label %51, label %60

51:                                               ; preds = %47
  %52 = load i64, ptr %8, align 8, !tbaa !9
  %53 = srem i64 %52, 10
  %54 = load i64, ptr %6, align 8, !tbaa !9
  %55 = add nsw i64 %54, %53
  store i64 %55, ptr %6, align 8, !tbaa !9
  br label %56

56:                                               ; preds = %51
  %57 = load i64, ptr %4, align 8, !tbaa !9
  %58 = load i64, ptr %8, align 8, !tbaa !9
  %59 = add nsw i64 %58, %57
  store i64 %59, ptr %8, align 8, !tbaa !9
  br label %47, !llvm.loop !11

60:                                               ; preds = %47
  %61 = load i64, ptr %6, align 8, !tbaa !9
  %62 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i64 noundef %61)
  br label %10, !llvm.loop !13

63:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #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
  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 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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.2 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.3 = 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 i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 4, 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)
  %5 = load i32, ptr %1, align 4, !tbaa !5
  %6 = add nsw i32 %5, -1
  store i32 %6, ptr %1, align 4, !tbaa !5
  %.not15 = icmp eq i32 %5, 0
  br i1 %.not15, label %._crit_edge18, label %.lr.ph17

.lr.ph17:                                         ; preds = %0, %._crit_edge
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %8 = load i64, ptr %3, align 8, !tbaa !9
  %9 = srem i64 %8, 10
  %10 = icmp eq i64 %9, 0
  br i1 %10, label %17, label %11

11:                                               ; preds = %.lr.ph17
  %12 = srem i64 %8, 5
  %13 = icmp eq i64 %12, 0
  br i1 %13, label %17, label %14

14:                                               ; preds = %11
  %15 = and i64 %8, 1
  %16 = icmp eq i64 %15, 0
  %. = select i1 %16, i64 40, i64 45
  br label %17

17:                                               ; preds = %14, %11, %.lr.ph17
  %.08 = phi i64 [ 0, %.lr.ph17 ], [ 25, %11 ], [ %., %14 ]
  %18 = load i64, ptr %2, align 8, !tbaa !9
  %19 = mul i64 %8, 10
  %20 = sdiv i64 %18, %19
  %21 = mul nsw i64 %20, %.08
  %22 = mul i64 %19, %20
  %.011 = add nsw i64 %22, %8
  %.not1012 = icmp sgt i64 %.011, %18
  br i1 %.not1012, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %17, %.lr.ph
  %.014 = phi i64 [ %.0, %.lr.ph ], [ %.011, %17 ]
  %.0913 = phi i64 [ %24, %.lr.ph ], [ %21, %17 ]
  %23 = srem i64 %.014, 10
  %24 = add nsw i64 %23, %.0913
  %.0 = add nsw i64 %.014, %8
  %.not10 = icmp sgt i64 %.0, %18
  br i1 %.not10, label %._crit_edge, label %.lr.ph, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph, %17
  %.09.lcssa = phi i64 [ %21, %17 ], [ %24, %.lr.ph ]
  %25 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %.09.lcssa)
  %26 = load i32, ptr %1, align 4, !tbaa !5
  %27 = add nsw i32 %26, -1
  store i32 %27, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %26, 0
  br i1 %.not, label %._crit_edge18, label %.lr.ph17, !llvm.loop !13

._crit_edge18:                                    ; preds = %._crit_edge, %0
  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 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 @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

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


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