; LLVM IR from DionysiosB/CodeForces :: 1300-1399 (1332A-ExercisingWalk)

; 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 [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [16 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [24 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 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
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca i8, align 1
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %15

15:                                               ; preds = %73, %0
  %16 = load i64, ptr %2, align 8, !tbaa !5
  %17 = add nsw i64 %16, -1
  store i64 %17, ptr %2, align 8, !tbaa !5
  %18 = icmp ne i64 %16, 0
  br i1 %18, label %19, label %79

19:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %20 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4, ptr noundef %5, ptr noundef %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #3
  %21 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %7, ptr noundef %8, ptr noundef %9, ptr noundef %10, ptr noundef %11, ptr noundef %12)
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #3
  store i8 1, ptr %13, align 1, !tbaa !9
  %22 = load i64, ptr %4, align 8, !tbaa !5
  %23 = load i64, ptr %3, align 8, !tbaa !5
  %24 = sub nsw i64 %22, %23
  %25 = load i64, ptr %7, align 8, !tbaa !5
  %26 = add nsw i64 %25, %24
  store i64 %26, ptr %7, align 8, !tbaa !5
  %27 = load i64, ptr %7, align 8, !tbaa !5
  %28 = load i64, ptr %9, align 8, !tbaa !5
  %29 = icmp slt i64 %27, %28
  br i1 %29, label %34, label %30

30:                                               ; preds = %19
  %31 = load i64, ptr %7, align 8, !tbaa !5
  %32 = load i64, ptr %11, align 8, !tbaa !5
  %33 = icmp sgt i64 %31, %32
  br i1 %33, label %34, label %35

34:                                               ; preds = %30, %19
  store i8 0, ptr %13, align 1, !tbaa !9
  br label %35

35:                                               ; preds = %34, %30
  %36 = load i64, ptr %3, align 8, !tbaa !5
  %37 = load i64, ptr %4, align 8, !tbaa !5
  %38 = icmp eq i64 %36, %37
  br i1 %38, label %39, label %47

39:                                               ; preds = %35
  %40 = load i64, ptr %9, align 8, !tbaa !5
  %41 = load i64, ptr %11, align 8, !tbaa !5
  %42 = icmp eq i64 %40, %41
  br i1 %42, label %43, label %47

43:                                               ; preds = %39
  %44 = load i64, ptr %3, align 8, !tbaa !5
  %45 = icmp sgt i64 %44, 0
  br i1 %45, label %46, label %47

46:                                               ; preds = %43
  store i8 0, ptr %13, align 1, !tbaa !9
  br label %47

47:                                               ; preds = %46, %43, %39, %35
  %48 = load i64, ptr %6, align 8, !tbaa !5
  %49 = load i64, ptr %5, align 8, !tbaa !5
  %50 = sub nsw i64 %48, %49
  %51 = load i64, ptr %8, align 8, !tbaa !5
  %52 = add nsw i64 %51, %50
  store i64 %52, ptr %8, align 8, !tbaa !5
  %53 = load i64, ptr %8, align 8, !tbaa !5
  %54 = load i64, ptr %10, align 8, !tbaa !5
  %55 = icmp slt i64 %53, %54
  br i1 %55, label %60, label %56

56:                                               ; preds = %47
  %57 = load i64, ptr %8, align 8, !tbaa !5
  %58 = load i64, ptr %12, align 8, !tbaa !5
  %59 = icmp sgt i64 %57, %58
  br i1 %59, label %60, label %61

60:                                               ; preds = %56, %47
  store i8 0, ptr %13, align 1, !tbaa !9
  br label %61

61:                                               ; preds = %60, %56
  %62 = load i64, ptr %5, align 8, !tbaa !5
  %63 = load i64, ptr %6, align 8, !tbaa !5
  %64 = icmp eq i64 %62, %63
  br i1 %64, label %65, label %73

65:                                               ; preds = %61
  %66 = load i64, ptr %10, align 8, !tbaa !5
  %67 = load i64, ptr %12, align 8, !tbaa !5
  %68 = icmp eq i64 %66, %67
  br i1 %68, label %69, label %73

69:                                               ; preds = %65
  %70 = load i64, ptr %5, align 8, !tbaa !5
  %71 = icmp sgt i64 %70, 0
  br i1 %71, label %72, label %73

72:                                               ; preds = %69
  store i8 0, ptr %13, align 1, !tbaa !9
  br label %73

73:                                               ; preds = %72, %69, %65, %61
  %74 = load i8, ptr %13, align 1, !tbaa !9, !range !11, !noundef !12
  %75 = trunc i8 %74 to i1
  %76 = zext i1 %75 to i64
  %77 = select i1 %75, ptr @.str.3, ptr @.str.4
  %78 = call i32 @puts(ptr noundef %77)
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  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
  br label %15, !llvm.loop !13

79:                                               ; preds = %15
  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

; 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 = !{i8 0, i8 2}
!12 = !{}
!13 = distinct !{!13, !14}
!14 = !{!"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 [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [16 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [24 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 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
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %13 = load i64, ptr %1, align 8, !tbaa !5
  %14 = add nsw i64 %13, -1
  store i64 %14, ptr %1, align 8, !tbaa !5
  %.not28 = icmp eq i64 %13, 0
  br i1 %.not28, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #3
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %6, ptr noundef nonnull %7, ptr noundef nonnull %8, ptr noundef nonnull %9, ptr noundef nonnull %10, ptr noundef nonnull %11)
  %17 = load i64, ptr %3, align 8, !tbaa !5
  %18 = load i64, ptr %2, align 8
  %19 = sub nsw i64 %17, %18
  %20 = load i64, ptr %6, align 8, !tbaa !5
  %21 = add nsw i64 %20, %19
  store i64 %21, ptr %6, align 8, !tbaa !5
  %22 = load i64, ptr %8, align 8, !tbaa !5
  %23 = icmp sge i64 %21, %22
  %24 = load i64, ptr %10, align 8
  %25 = icmp sle i64 %21, %24
  %26 = icmp ne i64 %18, %17
  %27 = icmp ne i64 %22, %24
  %28 = icmp slt i64 %18, 1
  %or.cond.not19 = or i1 %28, %27
  %.not16 = select i1 %26, i1 true, i1 %or.cond.not19
  %29 = load i64, ptr %5, align 8, !tbaa !5
  %30 = load i64, ptr %4, align 8
  %31 = sub nsw i64 %29, %30
  %32 = load i64, ptr %7, align 8, !tbaa !5
  %33 = add nsw i64 %32, %31
  store i64 %33, ptr %7, align 8, !tbaa !5
  %34 = load i64, ptr %9, align 8, !tbaa !5
  %35 = icmp sge i64 %33, %34
  %36 = load i64, ptr %11, align 8
  %37 = icmp sle i64 %33, %36
  %38 = icmp ne i64 %30, %29
  %39 = icmp ne i64 %34, %36
  %40 = icmp slt i64 %30, 1
  %or.cond3.not27 = or i1 %40, %39
  %.not24 = select i1 %38, i1 true, i1 %or.cond3.not27
  %41 = select i1 %.not24, i1 %35, i1 false
  %42 = select i1 %41, i1 %37, i1 false
  %43 = select i1 %42, i1 %.not16, i1 false
  %44 = select i1 %43, i1 %23, i1 false
  %narrow = select i1 %44, i1 %25, i1 false
  %45 = select i1 %narrow, ptr @.str.3, ptr @.str.4
  %46 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %45)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  %47 = load i64, ptr %1, align 8, !tbaa !5
  %48 = add nsw i64 %47, -1
  store i64 %48, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %47, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %0
  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}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass