; LLVM IR from lzyrapx/Competitive-Programming :: HDUOJ (1008（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"

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 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 i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  br label %7

7:                                                ; preds = %49, %0
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  %9 = xor i32 %8, -1
  %10 = icmp ne i32 %9, 0
  br i1 %10, label %11, label %55

11:                                               ; preds = %7
  %12 = load i32, ptr %2, align 4, !tbaa !5
  store i32 %12, ptr %3, align 4, !tbaa !5
  store i32 0, ptr %4, align 4, !tbaa !5
  store i32 0, ptr %5, align 4, !tbaa !5
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = icmp eq i32 %13, 0
  br i1 %14, label %15, label %16

15:                                               ; preds = %11
  br label %55

16:                                               ; preds = %11
  br label %17

17:                                               ; preds = %48, %16
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = add nsw i32 %18, -1
  store i32 %19, ptr %2, align 4, !tbaa !5
  %20 = icmp ne i32 %18, 0
  br i1 %20, label %21, label %49

21:                                               ; preds = %17
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %6)
  %23 = load i32, ptr %6, align 4, !tbaa !5
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = sub nsw i32 %23, %24
  %26 = icmp sge i32 %25, 0
  br i1 %26, label %27, label %35

27:                                               ; preds = %21
  %28 = load i32, ptr %4, align 4, !tbaa !5
  %29 = load i32, ptr %6, align 4, !tbaa !5
  %30 = load i32, ptr %5, align 4, !tbaa !5
  %31 = sub nsw i32 %29, %30
  %32 = mul nsw i32 6, %31
  %33 = add nsw i32 %28, %32
  store i32 %33, ptr %4, align 4, !tbaa !5
  %34 = load i32, ptr %6, align 4, !tbaa !5
  store i32 %34, ptr %5, align 4, !tbaa !5
  br label %35

35:                                               ; preds = %27, %21
  %36 = load i32, ptr %5, align 4, !tbaa !5
  %37 = load i32, ptr %6, align 4, !tbaa !5
  %38 = sub nsw i32 %36, %37
  %39 = icmp sge i32 %38, 0
  br i1 %39, label %40, label %48

40:                                               ; preds = %35
  %41 = load i32, ptr %4, align 4, !tbaa !5
  %42 = load i32, ptr %5, align 4, !tbaa !5
  %43 = load i32, ptr %6, align 4, !tbaa !5
  %44 = sub nsw i32 %42, %43
  %45 = mul nsw i32 4, %44
  %46 = add nsw i32 %41, %45
  store i32 %46, ptr %4, align 4, !tbaa !5
  %47 = load i32, ptr %6, align 4, !tbaa !5
  store i32 %47, ptr %5, align 4, !tbaa !5
  br label %48

48:                                               ; preds = %40, %35
  br label %17, !llvm.loop !9

49:                                               ; preds = %17
  %50 = load i32, ptr %4, align 4, !tbaa !5
  %51 = load i32, ptr %3, align 4, !tbaa !5
  %52 = mul nsw i32 5, %51
  %53 = add nsw i32 %50, %52
  %54 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %53)
  br label %7, !llvm.loop !11

55:                                               ; preds = %15, %7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  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

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 = !{!"int", !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}


; 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 [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 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 i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #3
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %.not16 = icmp eq i32 %3, -1
  br i1 %.not16, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %19
  %4 = load i32, ptr %1, align 4, !tbaa !5
  %5 = icmp eq i32 %4, 0
  br i1 %5, label %._crit_edge, label %.preheader

.preheader:                                       ; preds = %.lr.ph
  %6 = add nsw i32 %4, -1
  store i32 %6, ptr %1, align 4, !tbaa !5
  br label %7

7:                                                ; preds = %.preheader, %7
  %.015 = phi i32 [ 0, %.preheader ], [ %.2, %7 ]
  %.0814 = phi i32 [ 0, %.preheader ], [ %.210, %7 ]
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = sub nsw i32 %9, %.015
  %11 = icmp sgt i32 %10, -1
  %12 = mul nuw nsw i32 %10, 6
  %13 = select i1 %11, i32 %12, i32 0
  %.19 = add nuw nsw i32 %13, %.0814
  %.1 = select i1 %11, i32 %9, i32 %.015
  %14 = sub nsw i32 %.1, %9
  %15 = icmp sgt i32 %14, -1
  %16 = shl nsw i32 %14, 2
  %17 = select i1 %15, i32 %16, i32 0
  %.210 = add nuw nsw i32 %.19, %17
  %.2 = select i1 %15, i32 %9, i32 %.1
  %.pr = load i32, ptr %1, align 4, !tbaa !5
  %18 = add nsw i32 %.pr, -1
  store i32 %18, ptr %1, align 4, !tbaa !5
  %.not13 = icmp eq i32 %.pr, 0
  br i1 %.not13, label %19, label %7, !llvm.loop !9

19:                                               ; preds = %7
  %20 = mul nsw i32 %4, 5
  %21 = add nsw i32 %.210, %20
  %22 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %21)
  %23 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %.not = icmp eq i32 %23, -1
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !11

._crit_edge:                                      ; preds = %19, %.lr.ph, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #3
  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: 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 = !{!"int", !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: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass