; LLVM IR from lzyrapx/Competitive-Programming :: HDUOJ (5976)

; 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"

@num = external dso_local global [1000000 x i64], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z4initv() #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 uwtable
declare dso_local noundef i64 @_Z3gaox(i64 noundef) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  call void @_Z4initv()
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %8

8:                                                ; preds = %72, %16, %0
  %9 = load i64, ptr %2, align 8, !tbaa !5
  %10 = add nsw i64 %9, -1
  store i64 %10, ptr %2, align 8, !tbaa !5
  %11 = icmp ne i64 %9, 0
  br i1 %11, label %12, label %77

12:                                               ; preds = %8
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  %14 = load i64, ptr %3, align 8, !tbaa !5
  %15 = icmp eq i64 %14, 1
  br i1 %15, label %16, label %18

16:                                               ; preds = %12
  %17 = call i32 @puts(ptr noundef @.str.1)
  br label %8, !llvm.loop !9

18:                                               ; preds = %12
  %19 = load i64, ptr %3, align 8, !tbaa !5
  %20 = mul nsw i64 2, %19
  %21 = call noundef double @_ZSt4sqrtIxEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i64 noundef %20)
  %22 = fptosi double %21 to i64
  store i64 %22, ptr %4, align 8, !tbaa !5
  br label %23

23:                                               ; preds = %31, %18
  %24 = load i64, ptr %4, align 8, !tbaa !5
  %25 = load i64, ptr %4, align 8, !tbaa !5
  %26 = add nsw i64 %25, 1
  %27 = mul nsw i64 %24, %26
  %28 = ashr i64 %27, 1
  %29 = load i64, ptr %3, align 8, !tbaa !5
  %30 = icmp slt i64 %28, %29
  br i1 %30, label %31, label %34

31:                                               ; preds = %23
  %32 = load i64, ptr %4, align 8, !tbaa !5
  %33 = add nsw i64 %32, 1
  store i64 %33, ptr %4, align 8, !tbaa !5
  br label %23, !llvm.loop !11

34:                                               ; preds = %23
  %35 = load i64, ptr %4, align 8, !tbaa !5
  %36 = load i64, ptr %4, align 8, !tbaa !5
  %37 = add nsw i64 %36, 1
  %38 = mul nsw i64 %35, %37
  %39 = ashr i64 %38, 1
  %40 = load i64, ptr %3, align 8, !tbaa !5
  %41 = sub nsw i64 %39, %40
  store i64 %41, ptr %5, align 8, !tbaa !5
  %42 = load i64, ptr %5, align 8, !tbaa !5
  switch i64 %42, label %64 [
    i64 0, label %43
    i64 1, label %51
    i64 2, label %55
  ]

43:                                               ; preds = %34
  %44 = load i64, ptr %4, align 8, !tbaa !5
  %45 = add nsw i64 %44, 1
  %46 = getelementptr inbounds [1000000 x i64], ptr @num, i64 0, i64 %45
  %47 = load i64, ptr %46, align 8, !tbaa !5
  %48 = load i64, ptr %4, align 8, !tbaa !5
  %49 = call noundef i64 @_Z3gaox(i64 noundef %48)
  %50 = mul nsw i64 %47, %49
  store i64 %50, ptr %6, align 8, !tbaa !5
  br label %72

51:                                               ; preds = %34
  %52 = load i64, ptr %4, align 8, !tbaa !5
  %53 = getelementptr inbounds [1000000 x i64], ptr @num, i64 0, i64 %52
  %54 = load i64, ptr %53, align 8, !tbaa !5
  store i64 %54, ptr %6, align 8, !tbaa !5
  br label %72

55:                                               ; preds = %34
  %56 = load i64, ptr %4, align 8, !tbaa !5
  %57 = add nsw i64 %56, 1
  %58 = getelementptr inbounds [1000000 x i64], ptr @num, i64 0, i64 %57
  %59 = load i64, ptr %58, align 8, !tbaa !5
  %60 = load i64, ptr %4, align 8, !tbaa !5
  %61 = mul nsw i64 2, %60
  %62 = call noundef i64 @_Z3gaox(i64 noundef %61)
  %63 = mul nsw i64 %59, %62
  store i64 %63, ptr %6, align 8, !tbaa !5
  br label %72

64:                                               ; preds = %34
  %65 = load i64, ptr %4, align 8, !tbaa !5
  %66 = getelementptr inbounds [1000000 x i64], ptr @num, i64 0, i64 %65
  %67 = load i64, ptr %66, align 8, !tbaa !5
  %68 = load i64, ptr %5, align 8, !tbaa !5
  %69 = sub nsw i64 %68, 1
  %70 = call noundef i64 @_Z3gaox(i64 noundef %69)
  %71 = mul nsw i64 %67, %70
  store i64 %71, ptr %6, align 8, !tbaa !5
  br label %72

72:                                               ; preds = %64, %55, %51, %43
  %73 = load i64, ptr %6, align 8, !tbaa !5
  %74 = srem i64 %73, 1000000007
  store i64 %74, ptr %6, align 8, !tbaa !5
  %75 = load i64, ptr %6, align 8, !tbaa !5
  %76 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %75)
  br label %8, !llvm.loop !9

77:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #4

declare i32 @puts(ptr noundef) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt4sqrtIxEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i64 noundef) #5

declare i32 @printf(ptr noundef, ...) #4

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 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 = { 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 #4 = { "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 #5 = { inlinehint 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 #6 = { 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 = 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"

@num = external dso_local local_unnamed_addr global [1000000 x i64], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z4initv() 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 uwtable
declare dso_local noundef i64 @_Z3gaox(i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  tail call void @_Z4initv()
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %4 = load i64, ptr %1, align 8, !tbaa !5
  %5 = add nsw i64 %4, -1
  store i64 %5, ptr %1, align 8, !tbaa !5
  %.not21 = icmp eq i64 %4, 0
  br i1 %.not21, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %.backedge
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %7 = load i64, ptr %2, align 8, !tbaa !5
  %8 = icmp eq i64 %7, 1
  br i1 %8, label %9, label %13

9:                                                ; preds = %.lr.ph
  %10 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.1)
  br label %.backedge

.backedge:                                        ; preds = %9, %45
  %11 = load i64, ptr %1, align 8, !tbaa !5
  %12 = add nsw i64 %11, -1
  store i64 %12, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %11, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

13:                                               ; preds = %.lr.ph
  %14 = shl nsw i64 %7, 1
  %15 = call noundef double @_ZSt4sqrtIxEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i64 noundef %14)
  %16 = fptosi double %15 to i64
  %17 = load i64, ptr %2, align 8, !tbaa !5
  br label %18

18:                                               ; preds = %18, %13
  %.015 = phi i64 [ %16, %13 ], [ %19, %18 ]
  %19 = add nsw i64 %.015, 1
  %20 = mul nsw i64 %19, %.015
  %21 = ashr i64 %20, 1
  %22 = icmp slt i64 %21, %17
  br i1 %22, label %18, label %23, !llvm.loop !11

23:                                               ; preds = %18
  %24 = sub nsw i64 %21, %17
  switch i64 %24, label %39 [
    i64 0, label %25
    i64 1, label %30
    i64 2, label %33
  ]

25:                                               ; preds = %23
  %26 = getelementptr inbounds [1000000 x i64], ptr @num, i64 0, i64 %19
  %27 = load i64, ptr %26, align 8, !tbaa !5
  %28 = call noundef i64 @_Z3gaox(i64 noundef %.015)
  %29 = mul nsw i64 %28, %27
  br label %45

30:                                               ; preds = %23
  %31 = getelementptr inbounds [1000000 x i64], ptr @num, i64 0, i64 %.015
  %32 = load i64, ptr %31, align 8, !tbaa !5
  br label %45

33:                                               ; preds = %23
  %34 = getelementptr inbounds [1000000 x i64], ptr @num, i64 0, i64 %19
  %35 = load i64, ptr %34, align 8, !tbaa !5
  %36 = shl nsw i64 %.015, 1
  %37 = call noundef i64 @_Z3gaox(i64 noundef %36)
  %38 = mul nsw i64 %37, %35
  br label %45

39:                                               ; preds = %23
  %40 = getelementptr inbounds [1000000 x i64], ptr @num, i64 0, i64 %.015
  %41 = load i64, ptr %40, align 8, !tbaa !5
  %42 = add nsw i64 %24, -1
  %43 = call noundef i64 @_Z3gaox(i64 noundef %42)
  %44 = mul nsw i64 %43, %41
  br label %45

45:                                               ; preds = %39, %33, %30, %25
  %.0 = phi i64 [ %44, %39 ], [ %38, %33 ], [ %32, %30 ], [ %29, %25 ]
  %46 = srem i64 %.0, 1000000007
  %47 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %46)
  br label %.backedge

._crit_edge:                                      ; preds = %.backedge, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt4sqrtIxEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i64 noundef) local_unnamed_addr #5

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

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 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 = { 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 #4 = { 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 #5 = { inlinehint 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 #6 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass