; LLVM IR from tangjz/acm-icpc :: self_training/2015-03-03 (C)

; 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"

@t = external dso_local global i32, align 4
@n = external dso_local global i64, align 8
@ans1 = external dso_local global i64, align 8
@ans2 = 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 [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [24 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [17 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
  store i32 0, ptr %1, align 4
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @t)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  store i32 1, ptr %2, align 4, !tbaa !5
  br label %4

4:                                                ; preds = %41, %0
  %5 = load i32, ptr %2, align 4, !tbaa !5
  %6 = load i32, ptr @t, align 4, !tbaa !5
  %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 %44

9:                                                ; preds = %4
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef @n)
  %11 = load i64, ptr @n, align 8, !tbaa !9
  %12 = mul nsw i64 8, %11
  %13 = sub nsw i64 %12, 7
  store i64 %13, ptr @ans1, align 8, !tbaa !9
  %14 = load i64, ptr @ans1, align 8, !tbaa !9
  %15 = srem i64 %14, 1000000
  %16 = load i64, ptr @n, align 8, !tbaa !9
  %17 = mul nsw i64 %15, %16
  %18 = add nsw i64 %17, 1
  store i64 %18, ptr @ans2, align 8, !tbaa !9
  %19 = load i64, ptr @ans1, align 8, !tbaa !9
  %20 = sdiv i64 %19, 1000000
  %21 = load i64, ptr @n, align 8, !tbaa !9
  %22 = mul nsw i64 %20, %21
  store i64 %22, ptr @ans1, align 8, !tbaa !9
  %23 = load i64, ptr @ans2, align 8, !tbaa !9
  %24 = sdiv i64 %23, 1000000
  %25 = load i64, ptr @ans1, align 8, !tbaa !9
  %26 = add nsw i64 %25, %24
  store i64 %26, ptr @ans1, align 8, !tbaa !9
  %27 = load i64, ptr @ans2, align 8, !tbaa !9
  %28 = srem i64 %27, 1000000
  store i64 %28, ptr @ans2, align 8, !tbaa !9
  %29 = load i64, ptr @ans1, align 8, !tbaa !9
  %30 = icmp ne i64 %29, 0
  br i1 %30, label %31, label %36

31:                                               ; preds = %9
  %32 = load i32, ptr %2, align 4, !tbaa !5
  %33 = load i64, ptr @ans1, align 8, !tbaa !9
  %34 = load i64, ptr @ans2, align 8, !tbaa !9
  %35 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %32, i64 noundef %33, i64 noundef %34)
  br label %40

36:                                               ; preds = %9
  %37 = load i32, ptr %2, align 4, !tbaa !5
  %38 = load i64, ptr @ans2, align 8, !tbaa !9
  %39 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %37, i64 noundef %38)
  br label %40

40:                                               ; preds = %36, %31
  br label %41

41:                                               ; preds = %40
  %42 = load i32, ptr %2, align 4, !tbaa !5
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %2, align 4, !tbaa !5
  br label %4, !llvm.loop !11

44:                                               ; preds = %8
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare i32 @printf(ptr noundef, ...) #1

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

@t = external dso_local global i32, align 4
@n = external dso_local global i64, align 8
@ans1 = external dso_local local_unnamed_addr global i64, align 8
@ans2 = 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 [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [24 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [17 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @t)
  %2 = load i32, ptr @t, align 4, !tbaa !5
  %.not6 = icmp slt i32 %2, 1
  br i1 %.not6, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %19, %0
  ret i32 0

.lr.ph:                                           ; preds = %0, %19
  %.07 = phi i32 [ %20, %19 ], [ 1, %0 ]
  %3 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull @n)
  %4 = load i64, ptr @n, align 8, !tbaa !9
  %5 = shl nsw i64 %4, 3
  %6 = add nsw i64 %5, -7
  %7 = srem i64 %6, 1000000
  %8 = mul nsw i64 %7, %4
  %9 = add nsw i64 %8, 1
  %10 = sdiv i64 %6, 1000000
  %11 = mul nsw i64 %10, %4
  %12 = sdiv i64 %9, 1000000
  %13 = add nsw i64 %12, %11
  store i64 %13, ptr @ans1, align 8, !tbaa !9
  %14 = srem i64 %9, 1000000
  store i64 %14, ptr @ans2, align 8, !tbaa !9
  %.not5 = icmp eq i64 %13, 0
  br i1 %.not5, label %17, label %15

15:                                               ; preds = %.lr.ph
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %.07, i64 noundef %13, i64 noundef %14)
  br label %19

17:                                               ; preds = %.lr.ph
  %18 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef %.07, i64 noundef %14)
  br label %19

19:                                               ; preds = %15, %17
  %20 = add nuw nsw i32 %.07, 1
  %21 = load i32, ptr @t, align 4, !tbaa !5
  %.not.not = icmp slt i32 %.07, %21
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !11
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #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 = { 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,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass