; LLVM IR from DionysiosB/CodeForces :: 1300-1399 (1304C-AirConditioner)

; 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 [8 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [12 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 i8, align 1
  %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 i64, align 8
  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 = %70, %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 %76

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
  %20 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #3
  store i8 1, ptr %5, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %21 = load i64, ptr %4, align 8, !tbaa !5
  store i64 %21, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %22 = load i64, ptr %4, align 8, !tbaa !5
  store i64 %22, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  store i64 0, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  store i64 0, ptr %9, align 8, !tbaa !5
  br label %23

23:                                               ; preds = %67, %19
  %24 = load i64, ptr %9, align 8, !tbaa !5
  %25 = load i64, ptr %3, align 8, !tbaa !5
  %26 = icmp slt i64 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  br label %70

28:                                               ; preds = %23
  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
  %29 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %10, ptr noundef %11, ptr noundef %12)
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #3
  %30 = load i64, ptr %10, align 8, !tbaa !5
  %31 = load i64, ptr %8, align 8, !tbaa !5
  %32 = sub nsw i64 %30, %31
  store i64 %32, ptr %13, align 8, !tbaa !5
  %33 = load i64, ptr %10, align 8, !tbaa !5
  store i64 %33, ptr %8, align 8, !tbaa !5
  %34 = load i64, ptr %13, align 8, !tbaa !5
  %35 = load i64, ptr %6, align 8, !tbaa !5
  %36 = sub nsw i64 %35, %34
  store i64 %36, ptr %6, align 8, !tbaa !5
  %37 = load i64, ptr %13, align 8, !tbaa !5
  %38 = load i64, ptr %7, align 8, !tbaa !5
  %39 = add nsw i64 %38, %37
  store i64 %39, ptr %7, align 8, !tbaa !5
  %40 = load i64, ptr %7, align 8, !tbaa !5
  %41 = load i64, ptr %11, align 8, !tbaa !5
  %42 = icmp slt i64 %40, %41
  br i1 %42, label %47, label %43

43:                                               ; preds = %28
  %44 = load i64, ptr %6, align 8, !tbaa !5
  %45 = load i64, ptr %12, align 8, !tbaa !5
  %46 = icmp sgt i64 %44, %45
  br i1 %46, label %47, label %48

47:                                               ; preds = %43, %28
  store i8 0, ptr %5, align 1, !tbaa !9
  br label %48

48:                                               ; preds = %47, %43
  %49 = load i64, ptr %6, align 8, !tbaa !5
  %50 = load i64, ptr %11, align 8, !tbaa !5
  %51 = icmp sgt i64 %49, %50
  br i1 %51, label %52, label %54

52:                                               ; preds = %48
  %53 = load i64, ptr %6, align 8, !tbaa !5
  br label %56

54:                                               ; preds = %48
  %55 = load i64, ptr %11, align 8, !tbaa !5
  br label %56

56:                                               ; preds = %54, %52
  %57 = phi i64 [ %53, %52 ], [ %55, %54 ]
  store i64 %57, ptr %6, align 8, !tbaa !5
  %58 = load i64, ptr %7, align 8, !tbaa !5
  %59 = load i64, ptr %12, align 8, !tbaa !5
  %60 = icmp slt i64 %58, %59
  br i1 %60, label %61, label %63

61:                                               ; preds = %56
  %62 = load i64, ptr %7, align 8, !tbaa !5
  br label %65

63:                                               ; preds = %56
  %64 = load i64, ptr %12, align 8, !tbaa !5
  br label %65

65:                                               ; preds = %63, %61
  %66 = phi i64 [ %62, %61 ], [ %64, %63 ]
  store i64 %66, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, 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
  br label %67

67:                                               ; preds = %65
  %68 = load i64, ptr %9, align 8, !tbaa !5
  %69 = add nsw i64 %68, 1
  store i64 %69, ptr %9, align 8, !tbaa !5
  br label %23, !llvm.loop !11

70:                                               ; preds = %27
  %71 = load i8, ptr %5, align 1, !tbaa !9, !range !13, !noundef !14
  %72 = trunc i8 %71 to i1
  %73 = zext i1 %72 to i64
  %74 = select i1 %72, ptr @.str.3, ptr @.str.4
  %75 = call i32 @puts(ptr noundef %74)
  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 1, 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 !15

76:                                               ; 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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare i32 @puts(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 = !{!"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 = !{}
!15 = distinct !{!15, !12}


; 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 [8 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [12 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
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %8 = load i64, ptr %1, align 8, !tbaa !5
  %9 = add nsw i64 %8, -1
  store i64 %9, ptr %1, align 8, !tbaa !5
  %.not24 = icmp eq i64 %8, 0
  br i1 %.not24, label %._crit_edge27, label %.lr.ph26

.lr.ph26:                                         ; preds = %0, %14
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = icmp sgt i64 %11, 0
  br i1 %12, label %.lr.ph.preheader, label %._crit_edge.thread

.lr.ph.preheader:                                 ; preds = %.lr.ph26
  %13 = load i64, ptr %3, align 8, !tbaa !5
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph
  br i1 %.1, label %._crit_edge.thread, label %14

._crit_edge.thread:                               ; preds = %.lr.ph26, %._crit_edge
  br label %14

14:                                               ; preds = %._crit_edge, %._crit_edge.thread
  %15 = phi ptr [ @.str.3, %._crit_edge.thread ], [ @.str.4, %._crit_edge ]
  %16 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %15)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  %17 = load i64, ptr %1, align 8, !tbaa !5
  %18 = add nsw i64 %17, -1
  store i64 %18, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %17, 0
  br i1 %.not, label %._crit_edge27, label %.lr.ph26, !llvm.loop !9

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %.023 = phi i1 [ %.1, %.lr.ph ], [ true, %.lr.ph.preheader ]
  %.01422 = phi i64 [ %30, %.lr.ph ], [ 0, %.lr.ph.preheader ]
  %.01521 = phi i64 [ %20, %.lr.ph ], [ 0, %.lr.ph.preheader ]
  %.01620 = phi i64 [ %29, %.lr.ph ], [ %13, %.lr.ph.preheader ]
  %.01719 = phi i64 [ %28, %.lr.ph ], [ %13, %.lr.ph.preheader ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %4, ptr noundef nonnull %5, ptr noundef nonnull %6)
  %20 = load i64, ptr %4, align 8, !tbaa !5
  %21 = sub nsw i64 %20, %.01521
  %22 = sub nsw i64 %.01719, %21
  %23 = add nsw i64 %21, %.01620
  %24 = load i64, ptr %5, align 8
  %25 = icmp sge i64 %23, %24
  %26 = load i64, ptr %6, align 8
  %27 = icmp sle i64 %22, %26
  %or.cond.not = select i1 %25, i1 %27, i1 false
  %or.cond.not.fr = freeze i1 %or.cond.not
  %.1 = select i1 %or.cond.not.fr, i1 %.023, i1 false
  %28 = call i64 @llvm.smax.i64(i64 %22, i64 %24)
  %29 = call i64 @llvm.smin.i64(i64 %23, i64 %26)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  %30 = add nuw nsw i64 %.01422, 1
  %31 = load i64, ptr %2, align 8, !tbaa !5
  %32 = icmp slt i64 %30, %31
  br i1 %32, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge27:                                    ; preds = %14, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  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: 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 @puts(ptr nocapture noundef readonly) local_unnamed_addr #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smax.i64(i64, i64) #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smin.i64(i64, i64) #3

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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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", !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: AggressiveInstCombinePass,CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass