; LLVM IR from tangjz/acm-icpc :: 51nod (1607)

; 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"

@sum = external dso_local global [10 x i32], align 16
@sum2 = external dso_local global [10 x i32], align 16
@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z4calcx(i64 noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  store i32 1, ptr %2, align 4, !tbaa !5
  br label %6

6:                                                ; preds = %33, %0
  %7 = load i32, ptr %2, align 4, !tbaa !5
  %8 = icmp slt i32 %7, 10
  br i1 %8, label %10, label %9

9:                                                ; preds = %6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  br label %36

10:                                               ; preds = %6
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = sub nsw i32 %11, 1
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [10 x i32], ptr @sum, i64 0, i64 %13
  %15 = load i32, ptr %14, align 4, !tbaa !5
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = add nsw i32 %15, %16
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [10 x i32], ptr @sum, i64 0, i64 %19
  store i32 %17, ptr %20, align 4, !tbaa !5
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = sub nsw i32 %21, 1
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [10 x i32], ptr @sum2, i64 0, i64 %23
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = load i32, ptr %2, align 4, !tbaa !5
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = mul nsw i32 %26, %27
  %29 = add nsw i32 %25, %28
  %30 = load i32, ptr %2, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds [10 x i32], ptr @sum2, i64 0, i64 %31
  store i32 %29, ptr %32, align 4, !tbaa !5
  br label %33

33:                                               ; preds = %10
  %34 = load i32, ptr %2, align 4, !tbaa !5
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %2, align 4, !tbaa !5
  br label %6, !llvm.loop !9

36:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %37 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %38 = load i64, ptr %4, align 8, !tbaa !11
  %39 = add nsw i64 %38, 1
  %40 = call noundef i32 @_Z4calcx(i64 noundef %39)
  %41 = load i64, ptr %3, align 8, !tbaa !11
  %42 = call noundef i32 @_Z4calcx(i64 noundef %41)
  %43 = sub nsw i32 %40, %42
  store i32 %43, ptr %5, align 4, !tbaa !5
  %44 = load i32, ptr %5, align 4, !tbaa !5
  %45 = icmp slt i32 %44, 0
  br i1 %45, label %46, label %49

46:                                               ; preds = %36
  %47 = load i32, ptr %5, align 4, !tbaa !5
  %48 = add nsw i32 %47, 1000000007
  store i32 %48, ptr %5, align 4, !tbaa !5
  br label %49

49:                                               ; preds = %46, %36
  %50 = load i32, ptr %5, align 4, !tbaa !5
  %51 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %50)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

declare i32 @printf(ptr noundef, ...) #3

attributes #0 = { mustprogress 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 #4 = { 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 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}


; 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"

@sum = external dso_local local_unnamed_addr global [10 x i32], align 16
@sum2 = external dso_local local_unnamed_addr global [10 x i32], align 16
@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z4calcx(i64 noundef) local_unnamed_addr #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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = load i32, ptr @sum, align 16, !tbaa !5
  %4 = load i32, ptr @sum2, align 16, !tbaa !5
  %5 = insertelement <4 x i32> poison, i32 %3, i64 0
  %6 = shufflevector <4 x i32> %5, <4 x i32> poison, <4 x i32> zeroinitializer
  %7 = add nsw <4 x i32> %6, <i32 1, i32 3, i32 6, i32 10>
  store <4 x i32> %7, ptr getelementptr inbounds (i8, ptr @sum, i64 4), align 4, !tbaa !5
  %8 = insertelement <4 x i32> poison, i32 %4, i64 0
  %9 = shufflevector <4 x i32> %8, <4 x i32> poison, <4 x i32> zeroinitializer
  %10 = add nsw <4 x i32> %9, <i32 1, i32 5, i32 14, i32 30>
  store <4 x i32> %10, ptr getelementptr inbounds (i8, ptr @sum2, i64 4), align 4, !tbaa !5
  %11 = add nsw <4 x i32> %6, <i32 15, i32 21, i32 28, i32 36>
  store <4 x i32> %11, ptr getelementptr inbounds (i8, ptr @sum, i64 20), align 4, !tbaa !5
  %12 = add nsw <4 x i32> %9, <i32 55, i32 91, i32 140, i32 204>
  store <4 x i32> %12, ptr getelementptr inbounds (i8, ptr @sum2, i64 20), align 4, !tbaa !5
  %13 = add nsw i32 %3, 45
  store i32 %13, ptr getelementptr inbounds (i8, ptr @sum, i64 36), align 4, !tbaa !5
  %14 = add nsw i32 %4, 285
  store i32 %14, ptr getelementptr inbounds (i8, ptr @sum2, i64 36), align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %16 = load i64, ptr %2, align 8, !tbaa !9
  %17 = add nsw i64 %16, 1
  %18 = call noundef i32 @_Z4calcx(i64 noundef %17)
  %19 = load i64, ptr %1, align 8, !tbaa !9
  %20 = call noundef i32 @_Z4calcx(i64 noundef %19)
  %21 = sub nsw i32 %18, %20
  %22 = icmp slt i32 %21, 0
  %23 = add nsw i32 %21, 1000000007
  %spec.select = select i1 %22, i32 %23, i32 %21
  %24 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %spec.select)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

attributes #0 = { mustprogress 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 = { mustprogress 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 #3 = { 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 #4 = { 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}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass