; LLVM IR from DionysiosB/CodeForces :: 1875C-JellyfishAndGreenApple (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 [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z3gcdxx(i64 noundef, i64 noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 {
  %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 i32, align 4
  %7 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #4
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %9

9:                                                ; preds = %61, %59, %0
  %10 = load i64, ptr %2, align 8, !tbaa !5
  %11 = add nsw i64 %10, -1
  store i64 %11, ptr %2, align 8, !tbaa !5
  %12 = icmp ne i64 %10, 0
  br i1 %12, label %13, label %62

13:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4)
  %15 = load i64, ptr %4, align 8, !tbaa !5
  %16 = load i64, ptr %3, align 8, !tbaa !5
  %17 = srem i64 %16, %15
  store i64 %17, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %18 = load i64, ptr %3, align 8, !tbaa !5
  %19 = load i64, ptr %4, align 8, !tbaa !5
  %20 = call noundef i64 @_Z3gcdxx(i64 noundef %18, i64 noundef %19)
  store i64 %20, ptr %5, align 8, !tbaa !5
  %21 = load i64, ptr %5, align 8, !tbaa !5
  %22 = load i64, ptr %3, align 8, !tbaa !5
  %23 = sdiv i64 %22, %21
  store i64 %23, ptr %3, align 8, !tbaa !5
  %24 = load i64, ptr %5, align 8, !tbaa !5
  %25 = load i64, ptr %4, align 8, !tbaa !5
  %26 = sdiv i64 %25, %24
  store i64 %26, ptr %4, align 8, !tbaa !5
  %27 = load i64, ptr %4, align 8, !tbaa !5
  %28 = load i64, ptr %4, align 8, !tbaa !5
  %29 = sub nsw i64 %28, 1
  %30 = and i64 %27, %29
  %31 = icmp ne i64 %30, 0
  br i1 %31, label %32, label %34

32:                                               ; preds = %13
  %33 = call i32 @puts(ptr noundef @.str.2)
  store i32 2, ptr %6, align 4
  br label %59, !llvm.loop !9

34:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  store i64 0, ptr %7, align 8, !tbaa !5
  br label %35

35:                                               ; preds = %48, %34
  %36 = load i64, ptr %3, align 8, !tbaa !5
  %37 = load i64, ptr %4, align 8, !tbaa !5
  %38 = srem i64 %36, %37
  %39 = icmp ne i64 %38, 0
  br i1 %39, label %40, label %54

40:                                               ; preds = %35
  %41 = load i64, ptr %3, align 8, !tbaa !5
  %42 = load i64, ptr %4, align 8, !tbaa !5
  %43 = icmp sgt i64 %41, %42
  br i1 %43, label %44, label %48

44:                                               ; preds = %40
  %45 = load i64, ptr %4, align 8, !tbaa !5
  %46 = load i64, ptr %3, align 8, !tbaa !5
  %47 = srem i64 %46, %45
  store i64 %47, ptr %3, align 8, !tbaa !5
  br label %48

48:                                               ; preds = %44, %40
  %49 = load i64, ptr %3, align 8, !tbaa !5
  %50 = load i64, ptr %7, align 8, !tbaa !5
  %51 = add nsw i64 %50, %49
  store i64 %51, ptr %7, align 8, !tbaa !5
  %52 = load i64, ptr %3, align 8, !tbaa !5
  %53 = mul nsw i64 %52, 2
  store i64 %53, ptr %3, align 8, !tbaa !5
  br label %35, !llvm.loop !11

54:                                               ; preds = %35
  %55 = load i64, ptr %5, align 8, !tbaa !5
  %56 = load i64, ptr %7, align 8, !tbaa !5
  %57 = mul nsw i64 %55, %56
  %58 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i64 noundef %57)
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  store i32 0, ptr %6, align 4
  br label %59

59:                                               ; preds = %54, %32
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  %60 = load i32, ptr %6, align 4
  switch i32 %60, label %64 [
    i32 0, label %61
    i32 2, label %9
  ]

61:                                               ; preds = %59
  br label %9, !llvm.loop !9

62:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #4
  %63 = load i32, ptr %1, align 4
  ret i32 %63

64:                                               ; preds = %59
  unreachable
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

declare i32 @puts(ptr noundef) #3

declare i32 @printf(ptr noundef, ...) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { mustprogress 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 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 #4 = { 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"}
!11 = distinct !{!11, !10}


; 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 [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z3gcdxx(i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 {
  %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) #5
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %5 = load i64, ptr %1, align 8, !tbaa !5
  %6 = add nsw i64 %5, -1
  store i64 %6, ptr %1, align 8, !tbaa !5
  %.not11 = icmp eq i64 %5, 0
  br i1 %.not11, label %._crit_edge14, label %.lr.ph13

.lr.ph13:                                         ; preds = %0, %29
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %8 = load i64, ptr %3, align 8, !tbaa !5
  %9 = load i64, ptr %2, align 8, !tbaa !5
  %10 = srem i64 %9, %8
  store i64 %10, ptr %2, align 8, !tbaa !5
  %11 = call noundef i64 @_Z3gcdxx(i64 noundef %10, i64 noundef %8)
  %12 = load i64, ptr %2, align 8, !tbaa !5
  %13 = sdiv i64 %12, %11
  store i64 %13, ptr %2, align 8, !tbaa !5
  %14 = load i64, ptr %3, align 8, !tbaa !5
  %15 = sdiv i64 %14, %11
  store i64 %15, ptr %3, align 8, !tbaa !5
  %16 = call range(i64 0, 65) i64 @llvm.ctpop.i64(i64 %15)
  %.not7 = icmp ult i64 %16, 2
  br i1 %.not7, label %.preheader, label %18

.preheader:                                       ; preds = %.lr.ph13
  %17 = srem i64 %13, %15
  %.not89 = icmp eq i64 %17, 0
  br i1 %.not89, label %26, label %.lr.ph

18:                                               ; preds = %.lr.ph13
  %19 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.2)
  br label %29, !llvm.loop !9

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %20 = phi i64 [ %25, %.lr.ph ], [ %17, %.preheader ]
  %.010 = phi i64 [ %23, %.lr.ph ], [ 0, %.preheader ]
  %21 = phi i64 [ %24, %.lr.ph ], [ %13, %.preheader ]
  %22 = icmp sgt i64 %21, %15
  %spec.select = select i1 %22, i64 %20, i64 %21
  %23 = add nsw i64 %spec.select, %.010
  %24 = shl nsw i64 %spec.select, 1
  %25 = srem i64 %24, %15
  %.not8 = icmp eq i64 %25, 0
  br i1 %.not8, label %._crit_edge, label %.lr.ph, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph
  store i64 %24, ptr %2, align 8, !tbaa !5
  br label %26

26:                                               ; preds = %._crit_edge, %.preheader
  %.0.lcssa = phi i64 [ %23, %._crit_edge ], [ 0, %.preheader ]
  %27 = mul nsw i64 %.0.lcssa, %11
  %28 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %27)
  br label %29

29:                                               ; preds = %26, %18
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  %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_edge14, label %.lr.ph13

._crit_edge14:                                    ; preds = %29, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.ctpop.i64(i64) #4

attributes #0 = { mustprogress 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 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { 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"}
!11 = distinct !{!11, !10}


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