; LLVM IR from DionysiosB/CodeForces :: 1000-1099 (1070D-GarbageDisposal)

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

9:                                                ; preds = %40, %0
  %10 = load i64, ptr %6, align 8, !tbaa !5
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = icmp slt i64 %10, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %43

14:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %7)
  %16 = load i64, ptr %4, align 8, !tbaa !5
  %17 = icmp sgt i64 %16, 0
  br i1 %17, label %18, label %27

18:                                               ; preds = %14
  %19 = load i64, ptr %4, align 8, !tbaa !5
  %20 = load i64, ptr %7, align 8, !tbaa !5
  %21 = add nsw i64 %19, %20
  %22 = load i64, ptr %3, align 8, !tbaa !5
  %23 = icmp slt i64 %21, %22
  br i1 %23, label %24, label %27

24:                                               ; preds = %18
  %25 = load i64, ptr %5, align 8, !tbaa !5
  %26 = add nsw i64 %25, 1
  store i64 %26, ptr %5, align 8, !tbaa !5
  store i64 0, ptr %4, align 8, !tbaa !5
  br label %39

27:                                               ; preds = %18, %14
  %28 = load i64, ptr %4, align 8, !tbaa !5
  %29 = load i64, ptr %7, align 8, !tbaa !5
  %30 = add nsw i64 %29, %28
  store i64 %30, ptr %7, align 8, !tbaa !5
  %31 = load i64, ptr %7, align 8, !tbaa !5
  %32 = load i64, ptr %3, align 8, !tbaa !5
  %33 = sdiv i64 %31, %32
  %34 = load i64, ptr %5, align 8, !tbaa !5
  %35 = add nsw i64 %34, %33
  store i64 %35, ptr %5, align 8, !tbaa !5
  %36 = load i64, ptr %7, align 8, !tbaa !5
  %37 = load i64, ptr %3, align 8, !tbaa !5
  %38 = srem i64 %36, %37
  store i64 %38, ptr %4, align 8, !tbaa !5
  br label %39

39:                                               ; preds = %27, %24
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %40

40:                                               ; preds = %39
  %41 = load i64, ptr %6, align 8, !tbaa !5
  %42 = add nsw i64 %41, 1
  store i64 %42, ptr %6, align 8, !tbaa !5
  br label %9, !llvm.loop !9

43:                                               ; preds = %13
  %44 = load i64, ptr %4, align 8, !tbaa !5
  %45 = icmp sgt i64 %44, 0
  %46 = zext i1 %45 to i64
  %47 = load i64, ptr %5, align 8, !tbaa !5
  %48 = add nsw i64 %47, %46
  store i64 %48, ptr %5, align 8, !tbaa !5
  %49 = load i64, ptr %5, align 8, !tbaa !5
  %50 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %49)
  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 8, 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

; 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

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 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 [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = 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 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
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %5 = load i64, ptr %1, align 8, !tbaa !5
  %6 = icmp sgt i64 %5, 0
  br i1 %6, label %.lr.ph, label %._crit_edge

._crit_edge.loopexit:                             ; preds = %21
  %7 = icmp sgt i64 %.112, 0
  %8 = zext i1 %7 to i64
  %9 = add nsw i64 %.1, %8
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %0
  %10 = phi i64 [ 0, %0 ], [ %9, %._crit_edge.loopexit ]
  %11 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %10)
  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

.lr.ph:                                           ; preds = %0, %21
  %.015 = phi i64 [ %22, %21 ], [ 0, %0 ]
  %.01014 = phi i64 [ %.1, %21 ], [ 0, %0 ]
  %.01113 = phi i64 [ %.112, %21 ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %3)
  %13 = icmp sgt i64 %.01113, 0
  %.pre = load i64, ptr %3, align 8, !tbaa !5
  %.pre17 = load i64, ptr %2, align 8, !tbaa !5
  %14 = add nsw i64 %.pre, %.01113
  %15 = icmp slt i64 %14, %.pre17
  %or.cond = select i1 %13, i1 %15, i1 false
  br i1 %or.cond, label %16, label %.lr.ph._crit_edge

16:                                               ; preds = %.lr.ph
  %17 = add nsw i64 %.01014, 1
  br label %21

.lr.ph._crit_edge:                                ; preds = %.lr.ph
  %18 = sdiv i64 %14, %.pre17
  %19 = add nsw i64 %18, %.01014
  %20 = srem i64 %14, %.pre17
  br label %21

21:                                               ; preds = %.lr.ph._crit_edge, %16
  %.112 = phi i64 [ 0, %16 ], [ %20, %.lr.ph._crit_edge ]
  %.1 = phi i64 [ %17, %16 ], [ %19, %.lr.ph._crit_edge ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  %22 = add nuw nsw i64 %.015, 1
  %23 = load i64, ptr %1, align 8, !tbaa !5
  %24 = icmp slt i64 %22, %23
  br i1 %24, label %.lr.ph, label %._crit_edge.loopexit, !llvm.loop !9
}

; 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

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 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: DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass