; LLVM IR from DionysiosB/CodeForces :: 0001-0099 (78C-BeaverGame)

; 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 [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 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 i32, align 4
  %6 = alloca i8, align 1
  %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
  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)
  %9 = load i64, ptr %2, align 8, !tbaa !5
  %10 = srem i64 %9, 2
  %11 = icmp eq i64 %10, 0
  br i1 %11, label %12, label %14

12:                                               ; preds = %0
  %13 = call i32 @puts(ptr noundef @.str.1)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %5, align 4
  br label %59

14:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #3
  store i8 0, ptr %6, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 1, ptr %7, align 8, !tbaa !5
  br label %15

15:                                               ; preds = %48, %14
  %16 = load i64, ptr %7, align 8, !tbaa !5
  %17 = load i64, ptr %7, align 8, !tbaa !5
  %18 = mul nsw i64 %16, %17
  %19 = load i64, ptr %3, align 8, !tbaa !5
  %20 = icmp sle i64 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %15
  store i32 2, ptr %5, align 4
  br label %51

22:                                               ; preds = %15
  %23 = load i64, ptr %3, align 8, !tbaa !5
  %24 = load i64, ptr %7, align 8, !tbaa !5
  %25 = srem i64 %23, %24
  %26 = icmp sgt i64 %25, 0
  br i1 %26, label %27, label %28

27:                                               ; preds = %22
  br label %48

28:                                               ; preds = %22
  %29 = load i64, ptr %4, align 8, !tbaa !5
  %30 = load i64, ptr %3, align 8, !tbaa !5
  %31 = load i64, ptr %7, align 8, !tbaa !5
  %32 = sdiv i64 %30, %31
  %33 = icmp sle i64 %29, %32
  br i1 %33, label %34, label %37

34:                                               ; preds = %28
  %35 = load i64, ptr %7, align 8, !tbaa !5
  %36 = icmp sgt i64 %35, 1
  br i1 %36, label %46, label %37

37:                                               ; preds = %34, %28
  %38 = load i64, ptr %4, align 8, !tbaa !5
  %39 = load i64, ptr %7, align 8, !tbaa !5
  %40 = icmp sle i64 %38, %39
  br i1 %40, label %41, label %47

41:                                               ; preds = %37
  %42 = load i64, ptr %3, align 8, !tbaa !5
  %43 = load i64, ptr %7, align 8, !tbaa !5
  %44 = sdiv i64 %42, %43
  %45 = icmp sgt i64 %44, 1
  br i1 %45, label %46, label %47

46:                                               ; preds = %41, %34
  store i8 1, ptr %6, align 1, !tbaa !9
  store i32 2, ptr %5, align 4
  br label %51

47:                                               ; preds = %41, %37
  br label %48

48:                                               ; preds = %47, %27
  %49 = load i64, ptr %7, align 8, !tbaa !5
  %50 = add nsw i64 %49, 1
  store i64 %50, ptr %7, align 8, !tbaa !5
  br label %15, !llvm.loop !11

51:                                               ; preds = %46, %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %52

52:                                               ; preds = %51
  %53 = load i8, ptr %6, align 1, !tbaa !9, !range !13, !noundef !14
  %54 = trunc i8 %53 to i1
  %55 = zext i1 %54 to i64
  %56 = select i1 %54, ptr @.str.2, ptr @.str.1
  %57 = call i32 @puts(ptr noundef %56)
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #3
  br label %58

58:                                               ; preds = %52
  store i32 0, ptr %1, align 4
  store i32 1, ptr %5, align 4
  br label %59

59:                                               ; preds = %58, %12
  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
  %60 = load i32, ptr %1, align 4
  ret i32 %60
}

; 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 @puts(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 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{i8 0, i8 2}
!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 [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 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
  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 = and i64 %5, 1
  %7 = icmp eq i64 %6, 0
  br i1 %7, label %._crit_edge, label %.preheader

.preheader:                                       ; preds = %0
  %8 = load i64, ptr %2, align 8, !tbaa !5
  %.not.not16 = icmp slt i64 %8, 1
  br i1 %.not.not16, label %._crit_edge, label %9

9:                                                ; preds = %.preheader
  %10 = load i64, ptr %3, align 8
  %.not14.peel = icmp slt i64 %10, 2
  %11 = icmp ne i64 %8, 1
  %or.cond15.peel = and i1 %.not14.peel, %11
  br i1 %or.cond15.peel, label %._crit_edge, label %12

12:                                               ; preds = %9
  %.not.not.peel = icmp ult i64 %8, 4
  br i1 %.not.not.peel, label %._crit_edge, label %.peel.next

.peel.next:                                       ; preds = %12, %18
  %.017 = phi i64 [ %19, %18 ], [ 2, %12 ]
  %13 = urem i64 %8, %.017
  %14 = udiv i64 %8, %.017
  %.not = icmp eq i64 %13, 0
  br i1 %.not, label %15, label %18

15:                                               ; preds = %.peel.next
  %.not23 = icmp sgt i64 %10, %14
  br i1 %.not23, label %16, label %._crit_edge

16:                                               ; preds = %15
  %.not14 = icmp sle i64 %10, %.017
  %17 = icmp sgt i64 %14, 1
  %or.cond15 = and i1 %.not14, %17
  br i1 %or.cond15, label %._crit_edge, label %18

18:                                               ; preds = %16, %.peel.next
  %19 = add nuw nsw i64 %.017, 1
  %20 = mul nuw nsw i64 %19, %19
  %.not.not = icmp sgt i64 %20, %8
  br i1 %.not.not, label %._crit_edge, label %.peel.next, !llvm.loop !9

._crit_edge:                                      ; preds = %15, %16, %18, %.preheader, %12, %9, %0
  %.sink = phi ptr [ @.str.1, %0 ], [ @.str.1, %.preheader ], [ @.str.2, %9 ], [ @.str.1, %12 ], [ @.str.1, %18 ], [ @.str.2, %16 ], [ @.str.2, %15 ]
  %21 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %.sink)
  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: nofree nounwind
declare noundef i32 @puts(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, !11}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.peeled.count", i32 1}


; Effective O3 passes: BDCEPass,CorrelatedValuePropagationPass,DivRemPairsPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopFullUnrollPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass