; LLVM IR from DionysiosB/CodeForces :: 2051B-Journey (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 [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [16 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 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
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %10

10:                                               ; preds = %61, %0
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = add nsw i64 %11, -1
  store i64 %12, ptr %2, align 8, !tbaa !5
  %13 = icmp ne i64 %11, 0
  br i1 %13, label %14, label %64

14:                                               ; preds = %10
  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
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4, ptr noundef %5, ptr noundef %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %16 = load i64, ptr %4, align 8, !tbaa !5
  %17 = load i64, ptr %5, align 8, !tbaa !5
  %18 = add nsw i64 %16, %17
  %19 = load i64, ptr %6, align 8, !tbaa !5
  %20 = add nsw i64 %18, %19
  store i64 %20, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %21 = load i64, ptr %3, align 8, !tbaa !5
  %22 = load i64, ptr %7, align 8, !tbaa !5
  %23 = sdiv i64 %21, %22
  %24 = mul nsw i64 3, %23
  store i64 %24, ptr %8, align 8, !tbaa !5
  %25 = load i64, ptr %7, align 8, !tbaa !5
  %26 = load i64, ptr %3, align 8, !tbaa !5
  %27 = srem i64 %26, %25
  store i64 %27, ptr %3, align 8, !tbaa !5
  %28 = load i64, ptr %3, align 8, !tbaa !5
  %29 = icmp slt i64 0, %28
  br i1 %29, label %30, label %37

30:                                               ; preds = %14
  %31 = load i64, ptr %3, align 8, !tbaa !5
  %32 = load i64, ptr %4, align 8, !tbaa !5
  %33 = icmp sle i64 %31, %32
  br i1 %33, label %34, label %37

34:                                               ; preds = %30
  %35 = load i64, ptr %8, align 8, !tbaa !5
  %36 = add nsw i64 %35, 1
  store i64 %36, ptr %8, align 8, !tbaa !5
  br label %61

37:                                               ; preds = %30, %14
  %38 = load i64, ptr %4, align 8, !tbaa !5
  %39 = load i64, ptr %3, align 8, !tbaa !5
  %40 = icmp slt i64 %38, %39
  br i1 %40, label %41, label %50

41:                                               ; preds = %37
  %42 = load i64, ptr %3, align 8, !tbaa !5
  %43 = load i64, ptr %4, align 8, !tbaa !5
  %44 = load i64, ptr %5, align 8, !tbaa !5
  %45 = add nsw i64 %43, %44
  %46 = icmp sle i64 %42, %45
  br i1 %46, label %47, label %50

47:                                               ; preds = %41
  %48 = load i64, ptr %8, align 8, !tbaa !5
  %49 = add nsw i64 %48, 2
  store i64 %49, ptr %8, align 8, !tbaa !5
  br label %60

50:                                               ; preds = %41, %37
  %51 = load i64, ptr %3, align 8, !tbaa !5
  %52 = load i64, ptr %4, align 8, !tbaa !5
  %53 = load i64, ptr %5, align 8, !tbaa !5
  %54 = add nsw i64 %52, %53
  %55 = icmp sgt i64 %51, %54
  br i1 %55, label %56, label %59

56:                                               ; preds = %50
  %57 = load i64, ptr %8, align 8, !tbaa !5
  %58 = add nsw i64 %57, 3
  store i64 %58, ptr %8, align 8, !tbaa !5
  br label %59

59:                                               ; preds = %56, %50
  br label %60

60:                                               ; preds = %59, %47
  br label %61

61:                                               ; preds = %60, %34
  %62 = load i64, ptr %8, align 8, !tbaa !5
  %63 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %62)
  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
  br label %10, !llvm.loop !9

64:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  %65 = load i32, ptr %1, align 4
  ret i32 %65
}

; 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; 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 [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [16 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 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
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %7 = load i64, ptr %1, align 8, !tbaa !5
  %8 = add nsw i64 %7, -1
  store i64 %8, ptr %1, align 8, !tbaa !5
  %.not13 = icmp eq i64 %7, 0
  br i1 %.not13, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %28
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull %5)
  %10 = load i64, ptr %3, align 8
  %11 = load i64, ptr %4, align 8, !tbaa !5
  %12 = add nsw i64 %11, %10
  %13 = load i64, ptr %5, align 8, !tbaa !5
  %14 = add nsw i64 %12, %13
  %15 = load i64, ptr %2, align 8, !tbaa !5
  %16 = sdiv i64 %15, %14
  %17 = mul nsw i64 %16, 3
  %18 = srem i64 %15, %14
  store i64 %18, ptr %2, align 8, !tbaa !5
  %19 = icmp slt i64 %18, 1
  %.not10 = icmp sgt i64 %18, %10
  %or.cond = or i1 %19, %.not10
  br i1 %or.cond, label %22, label %20

20:                                               ; preds = %.lr.ph
  %21 = add nsw i64 %17, 1
  br label %28

22:                                               ; preds = %.lr.ph
  %.not11 = icmp sle i64 %18, %12
  %or.cond12.not = and i1 %.not11, %.not10
  br i1 %or.cond12.not, label %23, label %25

23:                                               ; preds = %22
  %24 = add nsw i64 %17, 2
  br label %28

25:                                               ; preds = %22
  %26 = icmp sgt i64 %18, %12
  %27 = add nsw i64 %17, 3
  %spec.select = select i1 %26, i64 %27, i64 %17
  br label %28

28:                                               ; preds = %25, %23, %20
  %.0 = phi i64 [ %21, %20 ], [ %24, %23 ], [ %spec.select, %25 ]
  %29 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %.0)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  %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_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %28, %0
  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: 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 = !{!"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,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass