; LLVM IR from tangjz/acm-icpc :: 51nod (1602)

; 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"

@mu = external dso_local global [8000001 x i32], align 16
@v = external dso_local global i32, align 4
@m = external dso_local global i64, align 8
@.str = external hidden unnamed_addr constant [8 x i8], align 1
@_ZL3INF = external hidden constant i64, align 8
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z4calcxi(i64 noundef, i32 noundef) #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 i32, align 4
  %4 = alloca i32, align 4
  %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
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  store i32 1, ptr getelementptr inbounds ([8000001 x i32], ptr @mu, i64 0, i64 1), align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 1, ptr %2, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %49, %0
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = icmp slt i32 %13, 8000001
  br i1 %14, label %16, label %15

15:                                               ; preds = %12
  store i32 2, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %52

16:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = add nsw i32 %17, %18
  store i32 %19, ptr %4, align 4, !tbaa !5
  br label %20

20:                                               ; preds = %34, %16
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = icmp slt i32 %21, 8000001
  br i1 %22, label %24, label %23

23:                                               ; preds = %20
  store i32 5, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %38

24:                                               ; preds = %20
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [8000001 x i32], ptr @mu, i64 0, i64 %26
  %28 = load i32, ptr %27, align 4, !tbaa !5
  %29 = load i32, ptr %4, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds [8000001 x i32], ptr @mu, i64 0, i64 %30
  %32 = load i32, ptr %31, align 4, !tbaa !5
  %33 = sub nsw i32 %32, %28
  store i32 %33, ptr %31, align 4, !tbaa !5
  br label %34

34:                                               ; preds = %24
  %35 = load i32, ptr %2, align 4, !tbaa !5
  %36 = load i32, ptr %4, align 4, !tbaa !5
  %37 = add nsw i32 %36, %35
  store i32 %37, ptr %4, align 4, !tbaa !5
  br label %20, !llvm.loop !9

38:                                               ; preds = %23
  %39 = load i32, ptr %2, align 4, !tbaa !5
  %40 = sub nsw i32 %39, 1
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [8000001 x i32], ptr @mu, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = load i32, ptr %2, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds [8000001 x i32], ptr @mu, i64 0, i64 %45
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = add nsw i32 %47, %43
  store i32 %48, ptr %46, align 4, !tbaa !5
  br label %49

49:                                               ; preds = %38
  %50 = load i32, ptr %2, align 4, !tbaa !5
  %51 = add nsw i32 %50, 1
  store i32 %51, ptr %2, align 4, !tbaa !5
  br label %12, !llvm.loop !11

52:                                               ; preds = %15
  %53 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @v, ptr noundef @m)
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  store i64 0, ptr %5, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %54 = load i64, ptr @m, align 8, !tbaa !12
  %55 = shl i64 %54, 2
  store i64 %55, ptr %7, align 8, !tbaa !12
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) @_ZL3INF, ptr noundef nonnull align 8 dereferenceable(8) %7)
  %57 = load i64, ptr %56, align 8, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  store i64 %57, ptr %6, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  store i64 0, ptr %8, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %58 = load i64, ptr %6, align 8, !tbaa !12
  %59 = load i32, ptr @v, align 4, !tbaa !5
  %60 = call noundef i64 @_Z4calcxi(i64 noundef %58, i32 noundef %59)
  store i64 %60, ptr %9, align 8, !tbaa !12
  br label %61

61:                                               ; preds = %111, %52
  %62 = load i64, ptr %5, align 8, !tbaa !12
  %63 = add nsw i64 %62, 1
  %64 = load i64, ptr %6, align 8, !tbaa !12
  %65 = icmp slt i64 %63, %64
  br i1 %65, label %66, label %112

66:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %67 = load i64, ptr @m, align 8, !tbaa !12
  %68 = load i64, ptr %8, align 8, !tbaa !12
  %69 = sub nsw i64 %67, %68
  %70 = sitofp i64 %69 to double
  %71 = load i64, ptr %9, align 8, !tbaa !12
  %72 = load i64, ptr %8, align 8, !tbaa !12
  %73 = sub nsw i64 %71, %72
  %74 = sitofp i64 %73 to double
  %75 = fdiv double %70, %74
  %76 = load i64, ptr %6, align 8, !tbaa !12
  %77 = load i64, ptr %5, align 8, !tbaa !12
  %78 = sub nsw i64 %76, %77
  %79 = sitofp i64 %78 to double
  %80 = load i64, ptr %5, align 8, !tbaa !12
  %81 = sitofp i64 %80 to double
  %82 = call double @llvm.fmuladd.f64(double %75, double %79, double %81)
  %83 = fptosi double %82 to i64
  store i64 %83, ptr %10, align 8, !tbaa !12
  %84 = load i64, ptr %10, align 8, !tbaa !12
  %85 = load i64, ptr %5, align 8, !tbaa !12
  %86 = icmp sle i64 %84, %85
  br i1 %86, label %87, label %90

87:                                               ; preds = %66
  %88 = load i64, ptr %5, align 8, !tbaa !12
  %89 = add nsw i64 %88, 1
  store i64 %89, ptr %10, align 8, !tbaa !12
  br label %98

90:                                               ; preds = %66
  %91 = load i64, ptr %10, align 8, !tbaa !12
  %92 = load i64, ptr %6, align 8, !tbaa !12
  %93 = icmp sge i64 %91, %92
  br i1 %93, label %94, label %97

94:                                               ; preds = %90
  %95 = load i64, ptr %6, align 8, !tbaa !12
  %96 = sub nsw i64 %95, 1
  store i64 %96, ptr %10, align 8, !tbaa !12
  br label %97

97:                                               ; preds = %94, %90
  br label %98

98:                                               ; preds = %97, %87
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %99 = load i64, ptr %10, align 8, !tbaa !12
  %100 = load i32, ptr @v, align 4, !tbaa !5
  %101 = call noundef i64 @_Z4calcxi(i64 noundef %99, i32 noundef %100)
  store i64 %101, ptr %11, align 8, !tbaa !12
  %102 = load i64, ptr %11, align 8, !tbaa !12
  %103 = load i64, ptr @m, align 8, !tbaa !12
  %104 = icmp slt i64 %102, %103
  br i1 %104, label %105, label %108

105:                                              ; preds = %98
  %106 = load i64, ptr %10, align 8, !tbaa !12
  store i64 %106, ptr %5, align 8, !tbaa !12
  %107 = load i64, ptr %11, align 8, !tbaa !12
  store i64 %107, ptr %8, align 8, !tbaa !12
  br label %111

108:                                              ; preds = %98
  %109 = load i64, ptr %10, align 8, !tbaa !12
  store i64 %109, ptr %6, align 8, !tbaa !12
  %110 = load i64, ptr %11, align 8, !tbaa !12
  store i64 %110, ptr %9, align 8, !tbaa !12
  br label %111

111:                                              ; preds = %108, %105
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %61, !llvm.loop !14

112:                                              ; preds = %61
  %113 = load i64, ptr %6, align 8, !tbaa !12
  %114 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %113)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  %115 = load i32, ptr %1, align 4
  ret i32 %115
}

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #5

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

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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 #5 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!"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}
!12 = !{!13, !13, i64 0}
!13 = !{!"long long", !7, i64 0}
!14 = distinct !{!14, !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"

@mu = external dso_local local_unnamed_addr global [8000001 x i32], align 16
@v = external dso_local global i32, align 4
@m = external dso_local global i64, align 8
@.str = external hidden unnamed_addr constant [8 x i8], align 1
@_ZL3INF = external hidden constant i64, align 8
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z4calcxi(i64 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i64, align 8
  store i32 1, ptr getelementptr inbounds (i8, ptr @mu, i64 4), align 4, !tbaa !5
  br label %11

2:                                                ; preds = %._crit_edge
  %3 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @v, ptr noundef nonnull @m)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %4 = load i64, ptr @m, align 8, !tbaa !9
  %5 = shl i64 %4, 2
  store i64 %5, ptr %1, align 8, !tbaa !9
  %6 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) @_ZL3INF, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %7 = load i64, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  %8 = load i32, ptr @v, align 4, !tbaa !5
  %9 = call noundef i64 @_Z4calcxi(i64 noundef %7, i32 noundef %8)
  %10 = icmp sgt i64 %7, 1
  br i1 %10, label %.lr.ph55.preheader, label %._crit_edge56

.lr.ph55.preheader:                               ; preds = %2
  %.pre = load i64, ptr @m, align 8, !tbaa !9
  br label %.lr.ph55

11:                                               ; preds = %0, %._crit_edge
  %indvars.iv57 = phi i64 [ 1, %0 ], [ %indvars.iv.next58, %._crit_edge ]
  %indvars.iv = phi i64 [ 2, %0 ], [ %indvars.iv.next, %._crit_edge ]
  %12 = icmp ult i64 %indvars.iv57, 4000001
  br i1 %12, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %11
  %13 = getelementptr inbounds [8000001 x i32], ptr @mu, i64 0, i64 %indvars.iv57
  br label %20

._crit_edge:                                      ; preds = %20, %11
  %14 = add nsw i64 %indvars.iv57, -1
  %15 = getelementptr inbounds [8000001 x i32], ptr @mu, i64 0, i64 %14
  %16 = load i32, ptr %15, align 4, !tbaa !5
  %17 = getelementptr inbounds [8000001 x i32], ptr @mu, i64 0, i64 %indvars.iv57
  %18 = load i32, ptr %17, align 4, !tbaa !5
  %19 = add nsw i32 %18, %16
  store i32 %19, ptr %17, align 4, !tbaa !5
  %indvars.iv.next58 = add nuw nsw i64 %indvars.iv57, 1
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 2
  %exitcond.not = icmp eq i64 %indvars.iv.next58, 8000001
  br i1 %exitcond.not, label %2, label %11, !llvm.loop !11

20:                                               ; preds = %.lr.ph, %20
  %indvars.iv59 = phi i64 [ %indvars.iv, %.lr.ph ], [ %indvars.iv.next60, %20 ]
  %21 = load i32, ptr %13, align 4, !tbaa !5
  %22 = getelementptr inbounds [8000001 x i32], ptr @mu, i64 0, i64 %indvars.iv59
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %24 = sub nsw i32 %23, %21
  store i32 %24, ptr %22, align 4, !tbaa !5
  %indvars.iv.next60 = add nuw nsw i64 %indvars.iv59, %indvars.iv57
  %25 = icmp ult i64 %indvars.iv.next60, 8000001
  br i1 %25, label %20, label %._crit_edge, !llvm.loop !13

.lr.ph55:                                         ; preds = %.lr.ph55.preheader, %.lr.ph55
  %26 = phi i64 [ %41, %.lr.ph55 ], [ %.pre, %.lr.ph55.preheader ]
  %27 = phi i64 [ %43, %.lr.ph55 ], [ 1, %.lr.ph55.preheader ]
  %.03453 = phi i64 [ %.034., %.lr.ph55 ], [ %9, %.lr.ph55.preheader ]
  %.03552 = phi i64 [ %..035, %.lr.ph55 ], [ 0, %.lr.ph55.preheader ]
  %.03751 = phi i64 [ %.037..0, %.lr.ph55 ], [ %7, %.lr.ph55.preheader ]
  %.03950 = phi i64 [ %.0..039, %.lr.ph55 ], [ 0, %.lr.ph55.preheader ]
  %28 = sub nsw i64 %26, %.03552
  %29 = sitofp i64 %28 to double
  %30 = sub nsw i64 %.03453, %.03552
  %31 = sitofp i64 %30 to double
  %32 = fdiv double %29, %31
  %33 = sub nsw i64 %.03751, %.03950
  %34 = sitofp i64 %33 to double
  %35 = sitofp i64 %.03950 to double
  %36 = call double @llvm.fmuladd.f64(double %32, double %34, double %35)
  %37 = fptosi double %36 to i64
  %.not = icmp slt i64 %.03950, %37
  %.not47 = icmp sgt i64 %.03751, %37
  %38 = add nsw i64 %.03751, -1
  %spec.select = select i1 %.not47, i64 %37, i64 %38
  %.0 = select i1 %.not, i64 %spec.select, i64 %27
  %39 = load i32, ptr @v, align 4, !tbaa !5
  %40 = call noundef i64 @_Z4calcxi(i64 noundef %.0, i32 noundef %39)
  %41 = load i64, ptr @m, align 8, !tbaa !9
  %42 = icmp slt i64 %40, %41
  %.0..039 = select i1 %42, i64 %.0, i64 %.03950
  %.037..0 = select i1 %42, i64 %.03751, i64 %.0
  %..035 = select i1 %42, i64 %40, i64 %.03552
  %.034. = select i1 %42, i64 %.03453, i64 %40
  %43 = add nsw i64 %.0..039, 1
  %44 = icmp slt i64 %43, %.037..0
  br i1 %44, label %.lr.ph55, label %._crit_edge56, !llvm.loop !14

._crit_edge56:                                    ; preds = %.lr.ph55, %2
  %.037.lcssa = phi i64 [ %7, %2 ], [ %.037..0, %.lr.ph55 ]
  %45 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.037.lcssa)
  ret i32 0
}

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #5

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

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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 = { 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 #5 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!"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"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


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