; LLVM IR from Shah-Shishir/Codeforces-Solutions :: 1326B. Maximums (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"

@arr = external dso_local global [200005 x i64], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = 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
  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
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  br label %6

6:                                                ; preds = %48, %0
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  %8 = icmp ne i32 %7, -1
  br i1 %8, label %9, label %50

9:                                                ; preds = %6
  store i64 0, ptr %5, align 8, !tbaa !5
  store i64 0, ptr %3, align 8, !tbaa !5
  br label %10

10:                                               ; preds = %32, %9
  %11 = load i64, ptr %3, align 8, !tbaa !5
  %12 = load i64, ptr %2, align 8, !tbaa !5
  %13 = icmp slt i64 %11, %12
  br i1 %13, label %14, label %35

14:                                               ; preds = %10
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %4)
  %16 = load i64, ptr %4, align 8, !tbaa !5
  %17 = icmp sgt i64 %16, 0
  br i1 %17, label %18, label %25

18:                                               ; preds = %14
  %19 = load i64, ptr %4, align 8, !tbaa !5
  %20 = load i64, ptr %5, align 8, !tbaa !5
  %21 = add nsw i64 %20, %19
  store i64 %21, ptr %5, align 8, !tbaa !5
  %22 = load i64, ptr %5, align 8, !tbaa !5
  %23 = load i64, ptr %3, align 8, !tbaa !5
  %24 = getelementptr inbounds [200005 x i64], ptr @arr, i64 0, i64 %23
  store i64 %22, ptr %24, align 8, !tbaa !5
  br label %31

25:                                               ; preds = %14
  %26 = load i64, ptr %5, align 8, !tbaa !5
  %27 = load i64, ptr %4, align 8, !tbaa !5
  %28 = add nsw i64 %26, %27
  %29 = load i64, ptr %3, align 8, !tbaa !5
  %30 = getelementptr inbounds [200005 x i64], ptr @arr, i64 0, i64 %29
  store i64 %28, ptr %30, align 8, !tbaa !5
  br label %31

31:                                               ; preds = %25, %18
  br label %32

32:                                               ; preds = %31
  %33 = load i64, ptr %3, align 8, !tbaa !5
  %34 = add nsw i64 %33, 1
  store i64 %34, ptr %3, align 8, !tbaa !5
  br label %10, !llvm.loop !9

35:                                               ; preds = %10
  store i64 0, ptr %3, align 8, !tbaa !5
  br label %36

36:                                               ; preds = %45, %35
  %37 = load i64, ptr %3, align 8, !tbaa !5
  %38 = load i64, ptr %2, align 8, !tbaa !5
  %39 = icmp slt i64 %37, %38
  br i1 %39, label %40, label %48

40:                                               ; preds = %36
  %41 = load i64, ptr %3, align 8, !tbaa !5
  %42 = getelementptr inbounds [200005 x i64], ptr @arr, i64 0, i64 %41
  %43 = load i64, ptr %42, align 8, !tbaa !5
  %44 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %43)
  br label %45

45:                                               ; preds = %40
  %46 = load i64, ptr %3, align 8, !tbaa !5
  %47 = add nsw i64 %46, 1
  store i64 %47, ptr %3, align 8, !tbaa !5
  br label %36, !llvm.loop !11

48:                                               ; preds = %36
  %49 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  br label %6, !llvm.loop !12

50:                                               ; preds = %6
  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 @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 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}
!12 = distinct !{!12, !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"

@arr = external dso_local local_unnamed_addr global [200005 x i64], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = 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
  %2 = 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
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %.not19 = icmp eq i32 %3, -1
  br i1 %.not19, label %._crit_edge20, label %.preheader14

.preheader14:                                     ; preds = %0, %._crit_edge
  %4 = load i64, ptr %1, align 8, !tbaa !5
  %5 = icmp sgt i64 %4, 0
  br i1 %5, label %.lr.ph, label %._crit_edge

.preheader:                                       ; preds = %.lr.ph
  %6 = icmp sgt i64 %13, 0
  br i1 %6, label %.lr.ph18, label %._crit_edge

.lr.ph:                                           ; preds = %.preheader14, %.lr.ph
  %.016 = phi i64 [ %..016, %.lr.ph ], [ 0, %.preheader14 ]
  %.01015 = phi i64 [ %12, %.lr.ph ], [ 0, %.preheader14 ]
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %8 = load i64, ptr %2, align 8, !tbaa !5
  %9 = icmp sgt i64 %8, 0
  %10 = add nsw i64 %8, %.016
  %..016 = select i1 %9, i64 %10, i64 %.016
  %11 = getelementptr inbounds [200005 x i64], ptr @arr, i64 0, i64 %.01015
  store i64 %10, ptr %11, align 8
  %12 = add nuw nsw i64 %.01015, 1
  %13 = load i64, ptr %1, align 8, !tbaa !5
  %14 = icmp slt i64 %12, %13
  br i1 %14, label %.lr.ph, label %.preheader, !llvm.loop !9

.lr.ph18:                                         ; preds = %.preheader, %.lr.ph18
  %.11117 = phi i64 [ %18, %.lr.ph18 ], [ 0, %.preheader ]
  %15 = getelementptr inbounds [200005 x i64], ptr @arr, i64 0, i64 %.11117
  %16 = load i64, ptr %15, align 8, !tbaa !5
  %17 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %16)
  %18 = add nuw nsw i64 %.11117, 1
  %19 = load i64, ptr %1, align 8, !tbaa !5
  %20 = icmp slt i64 %18, %19
  br i1 %20, label %.lr.ph18, label %._crit_edge, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph18, %.preheader14, %.preheader
  %21 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %.not = icmp eq i32 %22, -1
  br i1 %.not, label %._crit_edge20, label %.preheader14, !llvm.loop !12

._crit_edge20:                                    ; preds = %._crit_edge, %0
  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 @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 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}
!12 = distinct !{!12, !10}


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