; LLVM IR from lzyrapx/Competitive-Programming :: 51Nod (1185（威佐夫博弈+大数乘法模拟）)

; 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"

@tmp = external dso_local global [3 x i64], align 16
@MOD = external dso_local global i64, align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = 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 i32, align 4
  %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
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %11

11:                                               ; preds = %75, %0
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = add nsw i32 %12, -1
  store i32 %13, ptr %2, align 4, !tbaa !5
  %14 = icmp ne i32 %12, 0
  br i1 %14, label %15, label %76

15:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4)
  %17 = load i64, ptr %3, align 8, !tbaa !9
  %18 = load i64, ptr %4, align 8, !tbaa !9
  %19 = icmp sgt i64 %17, %18
  br i1 %19, label %20, label %24

20:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %21 = load i64, ptr %3, align 8, !tbaa !9
  store i64 %21, ptr %5, align 8, !tbaa !9
  %22 = load i64, ptr %4, align 8, !tbaa !9
  store i64 %22, ptr %3, align 8, !tbaa !9
  %23 = load i64, ptr %5, align 8, !tbaa !9
  store i64 %23, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %24

24:                                               ; preds = %20, %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %25 = load i64, ptr %4, align 8, !tbaa !9
  %26 = load i64, ptr %3, align 8, !tbaa !9
  %27 = sub nsw i64 %25, %26
  store i64 %27, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %28 = load i64, ptr %6, align 8, !tbaa !9
  %29 = load i64, ptr @MOD, align 8, !tbaa !9
  %30 = sdiv i64 %28, %29
  store i64 %30, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %31 = load i64, ptr %6, align 8, !tbaa !9
  %32 = load i64, ptr @MOD, align 8, !tbaa !9
  %33 = srem i64 %31, %32
  store i64 %33, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %34 = load i64, ptr %8, align 8, !tbaa !9
  %35 = load i64, ptr getelementptr inbounds ([3 x i64], ptr @tmp, i64 0, i64 2), align 16, !tbaa !9
  %36 = mul nsw i64 %34, %35
  store i64 %36, ptr %9, align 8, !tbaa !9
  %37 = load i64, ptr %7, align 8, !tbaa !9
  %38 = load i64, ptr getelementptr inbounds ([3 x i64], ptr @tmp, i64 0, i64 2), align 16, !tbaa !9
  %39 = mul nsw i64 %37, %38
  %40 = load i64, ptr %8, align 8, !tbaa !9
  %41 = load i64, ptr getelementptr inbounds ([3 x i64], ptr @tmp, i64 0, i64 1), align 8, !tbaa !9
  %42 = mul nsw i64 %40, %41
  %43 = add nsw i64 %39, %42
  %44 = load i64, ptr %9, align 8, !tbaa !9
  %45 = load i64, ptr @MOD, align 8, !tbaa !9
  %46 = sdiv i64 %44, %45
  %47 = add nsw i64 %43, %46
  store i64 %47, ptr %9, align 8, !tbaa !9
  %48 = load i64, ptr %7, align 8, !tbaa !9
  %49 = load i64, ptr getelementptr inbounds ([3 x i64], ptr @tmp, i64 0, i64 1), align 8, !tbaa !9
  %50 = mul nsw i64 %48, %49
  %51 = load i64, ptr %8, align 8, !tbaa !9
  %52 = load i64, ptr @tmp, align 16, !tbaa !9
  %53 = mul nsw i64 %51, %52
  %54 = add nsw i64 %50, %53
  %55 = load i64, ptr %9, align 8, !tbaa !9
  %56 = load i64, ptr @MOD, align 8, !tbaa !9
  %57 = sdiv i64 %55, %56
  %58 = add nsw i64 %54, %57
  store i64 %58, ptr %9, align 8, !tbaa !9
  %59 = load i64, ptr %7, align 8, !tbaa !9
  %60 = load i64, ptr @tmp, align 16, !tbaa !9
  %61 = mul nsw i64 %59, %60
  %62 = load i64, ptr %9, align 8, !tbaa !9
  %63 = load i64, ptr @MOD, align 8, !tbaa !9
  %64 = sdiv i64 %62, %63
  %65 = add nsw i64 %61, %64
  %66 = load i64, ptr %6, align 8, !tbaa !9
  %67 = add nsw i64 %65, %66
  store i64 %67, ptr %9, align 8, !tbaa !9
  %68 = load i64, ptr %9, align 8, !tbaa !9
  %69 = load i64, ptr %3, align 8, !tbaa !9
  %70 = icmp eq i64 %68, %69
  br i1 %70, label %71, label %73

71:                                               ; preds = %24
  %72 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  br label %75

73:                                               ; preds = %24
  %74 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  br label %75

75:                                               ; preds = %73, %71
  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 %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br label %11, !llvm.loop !11

76:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, 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 @printf(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 = !{!"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"}


; 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"

@tmp = external dso_local local_unnamed_addr global [3 x i64], align 16
@MOD = external dso_local local_unnamed_addr global i64, align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = 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 i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #3
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %5 = load i32, ptr %1, align 4, !tbaa !5
  %6 = add nsw i32 %5, -1
  store i32 %6, ptr %1, align 4, !tbaa !5
  %.not15 = icmp eq i32 %5, 0
  br i1 %.not15, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %12
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %8 = load i64, ptr %2, align 8, !tbaa !9
  %9 = load i64, ptr %3, align 8, !tbaa !9
  %10 = icmp sgt i64 %8, %9
  br i1 %10, label %11, label %12

11:                                               ; preds = %.lr.ph
  store i64 %9, ptr %2, align 8, !tbaa !9
  store i64 %8, ptr %3, align 8, !tbaa !9
  br label %12

12:                                               ; preds = %11, %.lr.ph
  %13 = phi i64 [ %9, %11 ], [ %8, %.lr.ph ]
  %14 = phi i64 [ %8, %11 ], [ %9, %.lr.ph ]
  %15 = sub nsw i64 %14, %13
  %16 = load i64, ptr @MOD, align 8, !tbaa !9
  %17 = sdiv i64 %15, %16
  %18 = srem i64 %15, %16
  %19 = load i64, ptr getelementptr inbounds (i8, ptr @tmp, i64 16), align 16, !tbaa !9
  %20 = mul nsw i64 %19, %18
  %21 = mul nsw i64 %19, %17
  %22 = load i64, ptr getelementptr inbounds (i8, ptr @tmp, i64 8), align 8, !tbaa !9
  %23 = mul nsw i64 %22, %18
  %24 = add nsw i64 %23, %21
  %25 = sdiv i64 %20, %16
  %26 = add nsw i64 %24, %25
  %27 = mul nsw i64 %22, %17
  %28 = load i64, ptr @tmp, align 16, !tbaa !9
  %29 = mul nsw i64 %28, %18
  %30 = add nsw i64 %29, %27
  %31 = sdiv i64 %26, %16
  %32 = add nsw i64 %30, %31
  %33 = mul nsw i64 %28, %17
  %34 = sdiv i64 %32, %16
  %35 = add i64 %33, %15
  %36 = add i64 %35, %34
  %37 = icmp eq i64 %36, %13
  %.str.2..str.3 = select i1 %37, ptr @.str.2, ptr @.str.3
  %38 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) %.str.2..str.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
  %39 = load i32, ptr %1, align 4, !tbaa !5
  %40 = add nsw i32 %39, -1
  store i32 %40, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %39, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !11

._crit_edge:                                      ; preds = %12, %0
  call void @llvm.lifetime.end.p0(i64 4, 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: 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 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

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 = !{!"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: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass