; LLVM IR from DionysiosB/CodeForces :: 0300-0399 (369A-ValeraAndPlates)

; 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 [9 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

; 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
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  store i32 0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !5
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %27, %0
  %12 = load i32, ptr %8, align 4, !tbaa !5
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %30

16:                                               ; preds = %11
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %5)
  %18 = load i32, ptr %5, align 4, !tbaa !5
  %19 = icmp eq i32 %18, 1
  br i1 %19, label %20, label %23

20:                                               ; preds = %16
  %21 = load i32, ptr %6, align 4, !tbaa !5
  %22 = add nsw i32 %21, 1
  store i32 %22, ptr %6, align 4, !tbaa !5
  br label %26

23:                                               ; preds = %16
  %24 = load i32, ptr %7, align 4, !tbaa !5
  %25 = add nsw i32 %24, 1
  store i32 %25, ptr %7, align 4, !tbaa !5
  br label %26

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

27:                                               ; preds = %26
  %28 = load i32, ptr %8, align 4, !tbaa !5
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %8, align 4, !tbaa !5
  br label %11, !llvm.loop !9

30:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  store i32 0, ptr %9, align 4, !tbaa !5
  %31 = load i32, ptr %6, align 4, !tbaa !5
  %32 = load i32, ptr %3, align 4, !tbaa !5
  %33 = icmp sge i32 %31, %32
  br i1 %33, label %34, label %38

34:                                               ; preds = %30
  %35 = load i32, ptr %6, align 4, !tbaa !5
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = sub nsw i32 %35, %36
  store i32 %37, ptr %9, align 4, !tbaa !5
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %42

38:                                               ; preds = %30
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = load i32, ptr %3, align 4, !tbaa !5
  %41 = sub nsw i32 %40, %39
  store i32 %41, ptr %3, align 4, !tbaa !5
  br label %42

42:                                               ; preds = %38, %34
  %43 = load i32, ptr %7, align 4, !tbaa !5
  %44 = load i32, ptr %4, align 4, !tbaa !5
  %45 = load i32, ptr %3, align 4, !tbaa !5
  %46 = add nsw i32 %44, %45
  %47 = icmp sgt i32 %43, %46
  br i1 %47, label %48, label %56

48:                                               ; preds = %42
  %49 = load i32, ptr %7, align 4, !tbaa !5
  %50 = load i32, ptr %4, align 4, !tbaa !5
  %51 = sub nsw i32 %49, %50
  %52 = load i32, ptr %3, align 4, !tbaa !5
  %53 = sub nsw i32 %51, %52
  %54 = load i32, ptr %9, align 4, !tbaa !5
  %55 = add nsw i32 %54, %53
  store i32 %55, ptr %9, align 4, !tbaa !5
  br label %56

56:                                               ; preds = %48, %42
  %57 = load i32, ptr %9, align 4, !tbaa !5
  %58 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %57)
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  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

; 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 = !{!"int", !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 [9 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

; 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
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #3
  store i32 0, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #3
  store i32 0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #3
  store i32 0, ptr %3, align 4, !tbaa !5
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  store i32 0, ptr %4, align 4, !tbaa !5
  %6 = load i32, ptr %1, align 4, !tbaa !5
  %7 = icmp sgt i32 %6, 0
  br i1 %7, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  %.014.lcssa = phi i32 [ 0, %0 ], [ %.115, %.lr.ph ]
  %.012.lcssa = phi i32 [ 0, %0 ], [ %.113, %.lr.ph ]
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %.not = icmp slt i32 %.014.lcssa, %8
  %9 = sub nsw i32 %8, %.014.lcssa
  %10 = sub nsw i32 %.014.lcssa, %8
  %storemerge = select i1 %.not, i32 %9, i32 0
  %.0 = select i1 %.not, i32 0, i32 %10
  store i32 %storemerge, ptr %2, align 4, !tbaa !5
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = add nsw i32 %11, %storemerge
  %13 = icmp sgt i32 %.012.lcssa, %12
  %14 = sub i32 %.012.lcssa, %12
  %15 = select i1 %13, i32 %14, i32 0
  %.1 = add nsw i32 %15, %.0
  %16 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %.1)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #3
  ret i32 0

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.01120 = phi i32 [ %22, %.lr.ph ], [ 0, %0 ]
  %.01219 = phi i32 [ %.113, %.lr.ph ], [ 0, %0 ]
  %.01418 = phi i32 [ %.115, %.lr.ph ], [ 0, %0 ]
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %4)
  %18 = load i32, ptr %4, align 4, !tbaa !5
  %19 = icmp eq i32 %18, 1
  %20 = zext i1 %19 to i32
  %.115 = add nuw nsw i32 %.01418, %20
  %not. = xor i1 %19, true
  %21 = zext i1 %not. to i32
  %.113 = add nuw nsw i32 %.01219, %21
  %22 = add nuw nsw i32 %.01120, 1
  %23 = load i32, ptr %1, align 4, !tbaa !5
  %24 = icmp slt i32 %22, %23
  br i1 %24, label %.lr.ph, label %._crit_edge, !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 = !{!"int", !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,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass