; LLVM IR from eyangch/competitive-programming :: USACOcontests/gold/2013.02 (partition)

; 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"

@N = external dso_local global i32, align 4
@K = external dso_local global i32, align 4
@b = external dso_local global [15 x [15 x i32]], align 16
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external global ptr, align 8
@.str.4 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z5scorei(i32 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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 {
  %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
  %7 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %8 = load ptr, ptr @stdin, align 8, !tbaa !5
  %9 = call ptr @freopen(ptr noundef @.str, ptr noundef @.str.1, ptr noundef %8)
  %10 = load ptr, ptr @stdout, align 8, !tbaa !5
  %11 = call ptr @freopen(ptr noundef @.str.2, ptr noundef @.str.3, ptr noundef %10)
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.4, ptr noundef @N, ptr noundef @K)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 0, ptr %2, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %36, %0
  %14 = load i32, ptr %2, align 4, !tbaa !9
  %15 = load i32, ptr @N, align 4, !tbaa !9
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  store i32 2, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %39

18:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %19

19:                                               ; preds = %32, %18
  %20 = load i32, ptr %4, align 4, !tbaa !9
  %21 = load i32, ptr @N, align 4, !tbaa !9
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %19
  store i32 5, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  br label %35

24:                                               ; preds = %19
  %25 = load i32, ptr %2, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [15 x [15 x i32]], ptr @b, i64 0, i64 %26
  %28 = load i32, ptr %4, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [15 x i32], ptr %27, i64 0, i64 %29
  %31 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.5, ptr noundef %30)
  br label %32

32:                                               ; preds = %24
  %33 = load i32, ptr %4, align 4, !tbaa !9
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %4, align 4, !tbaa !9
  br label %19, !llvm.loop !11

35:                                               ; preds = %23
  br label %36

36:                                               ; preds = %35
  %37 = load i32, ptr %2, align 4, !tbaa !9
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr %2, align 4, !tbaa !9
  br label %13, !llvm.loop !13

39:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 1000000000, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %40

40:                                               ; preds = %52, %39
  %41 = load i32, ptr %6, align 4, !tbaa !9
  %42 = load i32, ptr @N, align 4, !tbaa !9
  %43 = sub nsw i32 %42, 1
  %44 = shl i32 1, %43
  %45 = icmp slt i32 %41, %44
  br i1 %45, label %47, label %46

46:                                               ; preds = %40
  store i32 8, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %55

47:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %48 = load i32, ptr %6, align 4, !tbaa !9
  %49 = call noundef i32 @_Z5scorei(i32 noundef %48)
  store i32 %49, ptr %7, align 4, !tbaa !9
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %51 = load i32, ptr %50, align 4, !tbaa !9
  store i32 %51, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %52

52:                                               ; preds = %47
  %53 = load i32, ptr %6, align 4, !tbaa !9
  %54 = add nsw i32 %53, 1
  store i32 %54, ptr %6, align 4, !tbaa !9
  br label %40, !llvm.loop !14

55:                                               ; preds = %46
  %56 = load i32, ptr %5, align 4, !tbaa !9
  %57 = call i32 (ptr, ...) @printf(ptr noundef @.str.6, i32 noundef %56)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  %58 = load i32, ptr %1, align 4
  ret i32 %58
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) #4

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

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

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


; 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"

@N = external dso_local global i32, align 4
@K = external dso_local global i32, align 4
@b = external dso_local global [15 x [15 x i32]], align 16
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external local_unnamed_addr global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external local_unnamed_addr global ptr, align 8
@.str.4 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z5scorei(i32 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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = load ptr, ptr @stdin, align 8, !tbaa !5
  %4 = tail call ptr @freopen(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, ptr noundef %3)
  %5 = load ptr, ptr @stdout, align 8, !tbaa !5
  %6 = tail call ptr @freopen(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.3, ptr noundef %5)
  %7 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.4, ptr noundef nonnull @N, ptr noundef nonnull @K)
  %8 = load i32, ptr @N, align 4, !tbaa !9
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.preheader, label %._crit_edge14.thread

._crit_edge14.thread:                             ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  store i32 1000000000, ptr %1, align 4, !tbaa !9
  br label %.lr.ph17.preheader

.preheader:                                       ; preds = %0, %._crit_edge
  %10 = phi i32 [ %13, %._crit_edge ], [ %8, %0 ]
  %indvars.iv21 = phi i64 [ %indvars.iv.next22, %._crit_edge ], [ 0, %0 ]
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph, label %.preheader.._crit_edge_crit_edge

.preheader.._crit_edge_crit_edge:                 ; preds = %.preheader
  %.pre = sext i32 %10 to i64
  br label %._crit_edge

._crit_edge14:                                    ; preds = %._crit_edge
  %12 = icmp eq i32 %13, 32
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  store i32 1000000000, ptr %1, align 4, !tbaa !9
  br i1 %12, label %._crit_edge18, label %.lr.ph17.preheader

.lr.ph17.preheader:                               ; preds = %._crit_edge14.thread, %._crit_edge14
  br label %.lr.ph17

._crit_edge:                                      ; preds = %.lr.ph, %.preheader.._crit_edge_crit_edge
  %.pre-phi = phi i64 [ %.pre, %.preheader.._crit_edge_crit_edge ], [ %18, %.lr.ph ]
  %13 = phi i32 [ %10, %.preheader.._crit_edge_crit_edge ], [ %17, %.lr.ph ]
  %indvars.iv.next22 = add nuw nsw i64 %indvars.iv21, 1
  %14 = icmp slt i64 %indvars.iv.next22, %.pre-phi
  br i1 %14, label %.preheader, label %._crit_edge14, !llvm.loop !11

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.preheader ]
  %15 = getelementptr inbounds [15 x [15 x i32]], ptr @b, i64 0, i64 %indvars.iv21, i64 %indvars.iv
  %16 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.5, ptr noundef nonnull %15)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %17 = load i32, ptr @N, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = icmp slt i64 %indvars.iv.next, %18
  br i1 %19, label %.lr.ph, label %._crit_edge, !llvm.loop !14

._crit_edge18:                                    ; preds = %.lr.ph17, %._crit_edge14
  %20 = phi i32 [ 1000000000, %._crit_edge14 ], [ %24, %.lr.ph17 ]
  %21 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6, i32 noundef %20)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

.lr.ph17:                                         ; preds = %.lr.ph17.preheader, %.lr.ph17
  %.015 = phi i32 [ %25, %.lr.ph17 ], [ 0, %.lr.ph17.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %22 = call noundef i32 @_Z5scorei(i32 noundef %.015)
  store i32 %22, ptr %2, align 4, !tbaa !9
  %23 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %24 = load i32, ptr %23, align 4, !tbaa !9
  store i32 %24, ptr %1, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  %25 = add nuw nsw i32 %.015, 1
  %26 = load i32, ptr @N, align 4, !tbaa !9
  %27 = add nsw i32 %26, -1
  %28 = shl nuw i32 1, %27
  %29 = icmp slt i32 %25, %28
  br i1 %29, label %.lr.ph17, label %._crit_edge18, !llvm.loop !15
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #4

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12, !13}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!"llvm.loop.unswitch.partial.disable"}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}


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