; LLVM IR from lzyrapx/Competitive-Programming :: HDUOJ/5829(NTT).ll (Z3gaov)

; 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"

@inv = external dso_local global [400010 x i64], align 16
@f = external dso_local global [400010 x i64], align 16
@inv2 = external dso_local global i64, align 8
@a = external dso_local global [400010 x i64], align 16
@n = external dso_local global i32, align 4
@.str = external hidden unnamed_addr constant [6 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3gaov() #1 {
  %1 = alloca i64, align 8
  %2 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #3
  %3 = load i64, ptr @inv2, align 8, !tbaa !5
  store i64 %3, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  store i32 1, ptr %2, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %52, %0
  %5 = load i32, ptr %2, align 4, !tbaa !9
  %6 = load i32, ptr @n, align 4, !tbaa !9
  %7 = icmp sle i32 %5, %6
  br i1 %7, label %9, label %8

8:                                                ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  br label %55

9:                                                ; preds = %4
  %10 = load i64, ptr %1, align 8, !tbaa !5
  %11 = load i32, ptr %2, align 4, !tbaa !9
  %12 = sub nsw i32 %11, 1
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [400010 x i64], ptr @inv, i64 0, i64 %13
  %15 = load i64, ptr %14, align 8, !tbaa !5
  %16 = mul nsw i64 %10, %15
  %17 = srem i64 %16, 998244353
  %18 = load i32, ptr @n, align 4, !tbaa !9
  %19 = load i32, ptr %2, align 4, !tbaa !9
  %20 = sub nsw i32 %18, %19
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [400010 x i64], ptr @a, i64 0, i64 %21
  %23 = load i64, ptr %22, align 8, !tbaa !5
  %24 = mul nsw i64 %17, %23
  %25 = srem i64 %24, 998244353
  %26 = load i32, ptr %2, align 4, !tbaa !9
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds [400010 x i64], ptr @f, i64 0, i64 %27
  store i64 %25, ptr %28, align 8, !tbaa !5
  %29 = load i32, ptr %2, align 4, !tbaa !9
  %30 = sub nsw i32 %29, 1
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds [400010 x i64], ptr @f, i64 0, i64 %31
  %33 = load i64, ptr %32, align 8, !tbaa !5
  %34 = load i32, ptr %2, align 4, !tbaa !9
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [400010 x i64], ptr @f, i64 0, i64 %35
  %37 = load i64, ptr %36, align 8, !tbaa !5
  %38 = add nsw i64 %33, %37
  %39 = srem i64 %38, 998244353
  %40 = load i32, ptr %2, align 4, !tbaa !9
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [400010 x i64], ptr @f, i64 0, i64 %41
  store i64 %39, ptr %42, align 8, !tbaa !5
  %43 = load i32, ptr %2, align 4, !tbaa !9
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds [400010 x i64], ptr @f, i64 0, i64 %44
  %46 = load i64, ptr %45, align 8, !tbaa !5
  %47 = call i32 (ptr, ...) @printf(ptr noundef @.str, i64 noundef %46)
  %48 = load i64, ptr %1, align 8, !tbaa !5
  %49 = load i64, ptr @inv2, align 8, !tbaa !5
  %50 = mul nsw i64 %48, %49
  %51 = srem i64 %50, 998244353
  store i64 %51, ptr %1, align 8, !tbaa !5
  br label %52

52:                                               ; preds = %9
  %53 = load i32, ptr %2, align 4, !tbaa !9
  %54 = add nsw i32 %53, 1
  store i32 %54, ptr %2, align 4, !tbaa !9
  br label %4, !llvm.loop !11

55:                                               ; preds = %8
  %56 = call i32 @puts(ptr noundef @.str.1)
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #3
  ret void
}

declare i32 @printf(ptr noundef, ...) #2

declare i32 @puts(ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@inv = external dso_local local_unnamed_addr global [400010 x i64], align 16
@f = external dso_local local_unnamed_addr global [400010 x i64], align 16
@inv2 = external dso_local local_unnamed_addr global i64, align 8
@a = external dso_local local_unnamed_addr global [400010 x i64], align 16
@n = external dso_local local_unnamed_addr global i32, align 4
@.str = external hidden unnamed_addr constant [6 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: mustprogress nofree nounwind uwtable
define dso_local void @_Z3gaov() local_unnamed_addr #0 {
  %1 = load i32, ptr @n, align 4, !tbaa !5
  %.not13 = icmp slt i32 %1, 1
  br i1 %.not13, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %0
  %2 = load i64, ptr @inv2, align 8, !tbaa !9
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %0
  %3 = tail call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.1)
  ret void

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 1, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %4 = phi i32 [ %1, %.lr.ph.preheader ], [ %25, %.lr.ph ]
  %.01114 = phi i64 [ %2, %.lr.ph.preheader ], [ %24, %.lr.ph ]
  %5 = add nsw i64 %indvars.iv, -1
  %6 = getelementptr inbounds [400010 x i64], ptr @inv, i64 0, i64 %5
  %7 = load i64, ptr %6, align 8, !tbaa !9
  %8 = mul nsw i64 %7, %.01114
  %9 = srem i64 %8, 998244353
  %10 = sext i32 %4 to i64
  %11 = sub nsw i64 %10, %indvars.iv
  %12 = getelementptr inbounds [400010 x i64], ptr @a, i64 0, i64 %11
  %13 = load i64, ptr %12, align 8, !tbaa !9
  %14 = mul nsw i64 %9, %13
  %15 = srem i64 %14, 998244353
  %16 = getelementptr inbounds [400010 x i64], ptr @f, i64 0, i64 %indvars.iv
  %17 = getelementptr inbounds [400010 x i64], ptr @f, i64 0, i64 %5
  %18 = load i64, ptr %17, align 8, !tbaa !9
  %19 = add nsw i64 %15, %18
  %20 = srem i64 %19, 998244353
  store i64 %20, ptr %16, align 8, !tbaa !9
  %21 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i64 noundef %20)
  %22 = load i64, ptr @inv2, align 8, !tbaa !9
  %23 = mul nsw i64 %22, %.01114
  %24 = srem i64 %23, 998244353
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %25 = load i32, ptr @n, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %.not.not = icmp slt i64 %indvars.iv, %26
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !11
}

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #1

attributes #0 = { mustprogress nofree 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 = { 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" }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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