; LLVM IR from DionysiosB/CodeForces :: 0001-0099 (11B-JumpingJack)

; 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 [2 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
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  %8 = load i64, ptr %2, align 8, !tbaa !5
  %9 = icmp slt i64 %8, 0
  br i1 %9, label %10, label %13

10:                                               ; preds = %0
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = sub nsw i64 0, %11
  store i64 %12, ptr %2, align 8, !tbaa !5
  br label %13

13:                                               ; preds = %10, %0
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  store i64 0, ptr %3, align 8, !tbaa !5
  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 1, ptr %5, align 8, !tbaa !5
  store i64 1, ptr %5, align 8, !tbaa !5
  br label %14

14:                                               ; preds = %19, %13
  %15 = load i64, ptr %3, align 8, !tbaa !5
  %16 = load i64, ptr %2, align 8, !tbaa !5
  %17 = icmp slt i64 %15, %16
  br i1 %17, label %18, label %27

18:                                               ; preds = %14
  br label %19

19:                                               ; preds = %18
  %20 = load i64, ptr %5, align 8, !tbaa !5
  %21 = load i64, ptr %3, align 8, !tbaa !5
  %22 = add nsw i64 %21, %20
  store i64 %22, ptr %3, align 8, !tbaa !5
  %23 = load i64, ptr %5, align 8, !tbaa !5
  %24 = add nsw i64 %23, 1
  store i64 %24, ptr %5, align 8, !tbaa !5
  %25 = load i64, ptr %4, align 8, !tbaa !5
  %26 = add nsw i64 %25, 1
  store i64 %26, ptr %4, align 8, !tbaa !5
  br label %14, !llvm.loop !9

27:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %28 = load i64, ptr %3, align 8, !tbaa !5
  %29 = load i64, ptr %2, align 8, !tbaa !5
  %30 = sub nsw i64 %28, %29
  store i64 %30, ptr %6, align 8, !tbaa !5
  %31 = load i64, ptr %2, align 8, !tbaa !5
  %32 = icmp eq i64 %31, 0
  br i1 %32, label %33, label %35

33:                                               ; preds = %27
  %34 = call i32 @puts(ptr noundef @.str.1)
  br label %58

35:                                               ; preds = %27
  %36 = load i64, ptr %6, align 8, !tbaa !5
  %37 = srem i64 %36, 2
  %38 = icmp eq i64 %37, 0
  br i1 %38, label %39, label %42

39:                                               ; preds = %35
  %40 = load i64, ptr %4, align 8, !tbaa !5
  %41 = call i32 (ptr, ...) @printf(ptr noundef @.str, i64 noundef %40)
  br label %57

42:                                               ; preds = %35
  %43 = load i64, ptr %6, align 8, !tbaa !5
  %44 = load i64, ptr %5, align 8, !tbaa !5
  %45 = add nsw i64 %43, %44
  %46 = srem i64 %45, 2
  %47 = icmp eq i64 %46, 0
  br i1 %47, label %48, label %52

48:                                               ; preds = %42
  %49 = load i64, ptr %4, align 8, !tbaa !5
  %50 = add nsw i64 %49, 1
  %51 = call i32 (ptr, ...) @printf(ptr noundef @.str, i64 noundef %50)
  br label %56

52:                                               ; preds = %42
  %53 = load i64, ptr %4, align 8, !tbaa !5
  %54 = add nsw i64 %53, 2
  %55 = call i32 (ptr, ...) @printf(ptr noundef @.str, i64 noundef %54)
  br label %56

56:                                               ; preds = %52, %48
  br label %57

57:                                               ; preds = %56, %39
  br label %58

58:                                               ; preds = %57, %33
  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
  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

declare i32 @puts(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 [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 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
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  %2 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %3 = load i64, ptr %1, align 8, !tbaa !5
  %4 = icmp slt i64 %3, 0
  br i1 %4, label %.thread, label %6

.thread:                                          ; preds = %0
  %5 = sub nsw i64 0, %3
  store i64 %5, ptr %1, align 8, !tbaa !5
  br label %.lr.ph.preheader

6:                                                ; preds = %0
  %.not = icmp eq i64 %3, 0
  br i1 %.not, label %._crit_edge.thread, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %.thread, %6
  %7 = phi i64 [ %5, %.thread ], [ %3, %6 ]
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %.018 = phi i64 [ %8, %.lr.ph ], [ 0, %.lr.ph.preheader ]
  %.01217 = phi i64 [ %9, %.lr.ph ], [ 1, %.lr.ph.preheader ]
  %.01316 = phi i64 [ %10, %.lr.ph ], [ 0, %.lr.ph.preheader ]
  %8 = add nuw nsw i64 %.018, %.01217
  %9 = add nuw nsw i64 %.01217, 1
  %10 = add nuw nsw i64 %.01316, 1
  %11 = icmp slt i64 %8, %7
  br i1 %11, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph
  %12 = sub nsw i64 %8, %7
  %13 = icmp eq i64 %7, 0
  br i1 %13, label %._crit_edge.thread, label %15

._crit_edge.thread:                               ; preds = %6, %._crit_edge
  %14 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.1)
  br label %30

15:                                               ; preds = %._crit_edge
  %16 = and i64 %12, 1
  %17 = icmp eq i64 %16, 0
  br i1 %17, label %18, label %20

18:                                               ; preds = %15
  %19 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i64 noundef %10)
  br label %30

20:                                               ; preds = %15
  %21 = add nsw i64 %12, %9
  %22 = and i64 %21, 1
  %23 = icmp eq i64 %22, 0
  br i1 %23, label %24, label %27

24:                                               ; preds = %20
  %25 = add nuw nsw i64 %.01316, 2
  %26 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i64 noundef %25)
  br label %30

27:                                               ; preds = %20
  %28 = add nuw nsw i64 %.01316, 3
  %29 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i64 noundef %28)
  br label %30

30:                                               ; preds = %18, %27, %24, %._crit_edge.thread
  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: 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: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass