; LLVM IR from tangjz/acm-icpc :: codechef/MAY18 (FAKEBS)

; 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 i32, align 4
@m = external dso_local global i32, align 4
@a = external dso_local global [100001 x i32], align 16
@que = external dso_local global [100001 x i32], align 16
@ans = external dso_local global [100001 x i32], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsiii(i32 noundef, i32 noundef, 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: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZSt11lower_boundIPiiET_S1_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) #2

; 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() #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @t)
  br label %5

5:                                                ; preds = %54, %0
  %6 = load i32, ptr @t, align 4, !tbaa !5
  %7 = add nsw i32 %6, -1
  store i32 %7, ptr @t, align 4, !tbaa !5
  %8 = icmp ne i32 %6, 0
  br i1 %8, label %9, label %55

9:                                                ; preds = %5
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef @n, ptr noundef @m)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 1, ptr %2, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %28, %9
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = load i32, ptr @n, align 4, !tbaa !5
  %14 = icmp sle i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %31

16:                                               ; preds = %11
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds i32, ptr @a, i64 %18
  %20 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %19)
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [100001 x i32], ptr @a, i64 0, i64 %22
  %24 = load i32, ptr %23, align 4, !tbaa !5
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [100001 x i32], ptr @que, i64 0, i64 %26
  store i32 %24, ptr %27, align 4, !tbaa !5
  br label %28

28:                                               ; preds = %16
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %2, align 4, !tbaa !5
  br label %11, !llvm.loop !9

31:                                               ; preds = %15
  %32 = load i32, ptr @n, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds i32, ptr @que, i64 %33
  %35 = getelementptr inbounds i32, ptr %34, i64 1
  call void @_ZSt4sortIPiEvT_S1_(ptr noundef getelementptr inbounds (i32, ptr @que, i64 1), ptr noundef %35)
  %36 = load i32, ptr @n, align 4, !tbaa !5
  call void @_Z3dfsiii(i32 noundef 0, i32 noundef 1, i32 noundef %36)
  br label %37

37:                                               ; preds = %41, %31
  %38 = load i32, ptr @m, align 4, !tbaa !5
  %39 = add nsw i32 %38, -1
  store i32 %39, ptr @m, align 4, !tbaa !5
  %40 = icmp ne i32 %38, 0
  br i1 %40, label %41, label %54

41:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %42 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  %43 = load i32, ptr @n, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds i32, ptr @que, i64 %44
  %46 = getelementptr inbounds i32, ptr %45, i64 1
  %47 = call noundef ptr @_ZSt11lower_boundIPiiET_S1_S1_RKT0_(ptr noundef getelementptr inbounds (i32, ptr @que, i64 1), ptr noundef %46, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %48 = ptrtoint ptr %47 to i64
  %49 = sub i64 %48, ptrtoint (ptr @que to i64)
  %50 = sdiv exact i64 %49, 4
  %51 = getelementptr inbounds [100001 x i32], ptr @ans, i64 0, i64 %50
  %52 = load i32, ptr %51, align 4, !tbaa !5
  %53 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %52)
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %37, !llvm.loop !11

54:                                               ; preds = %37
  br label %5, !llvm.loop !12

55:                                               ; preds = %5
  ret i32 0
}

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPiEvT_S1_(ptr noundef, ptr noundef) #2

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 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 = !{!"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 = distinct !{!12, !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"

@t = external dso_local global i32, align 4
@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@a = external dso_local global [100001 x i32], align 16
@que = external dso_local global [100001 x i32], align 16
@ans = external dso_local local_unnamed_addr global [100001 x i32], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsiii(i32 noundef, i32 noundef, 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: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZSt11lower_boundIPiiET_S1_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; 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 uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  %2 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @t)
  %3 = load i32, ptr @t, align 4, !tbaa !5
  %4 = add nsw i32 %3, -1
  store i32 %4, ptr @t, align 4, !tbaa !5
  %.not14 = icmp eq i32 %3, 0
  br i1 %.not14, label %._crit_edge17, label %.lr.ph16

.loopexit:                                        ; preds = %.lr.ph12, %._crit_edge
  %5 = load i32, ptr @t, align 4, !tbaa !5
  %6 = add nsw i32 %5, -1
  store i32 %6, ptr @t, align 4, !tbaa !5
  %.not = icmp eq i32 %5, 0
  br i1 %.not, label %._crit_edge17, label %.lr.ph16, !llvm.loop !9

.lr.ph16:                                         ; preds = %0, %.loopexit
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull @n, ptr noundef nonnull @m)
  %8 = load i32, ptr @n, align 4, !tbaa !5
  %.not68 = icmp slt i32 %8, 1
  br i1 %.not68, label %.lr.ph16.._crit_edge_crit_edge, label %.lr.ph

.lr.ph16.._crit_edge_crit_edge:                   ; preds = %.lr.ph16
  %.pre = sext i32 %8 to i64
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph16.._crit_edge_crit_edge
  %.pre-phi = phi i64 [ %.pre, %.lr.ph16.._crit_edge_crit_edge ], [ %17, %.lr.ph ]
  %gep13 = getelementptr i32, ptr getelementptr inbounds (i8, ptr @que, i64 4), i64 %.pre-phi
  call void @_ZSt4sortIPiEvT_S1_(ptr noundef nonnull getelementptr inbounds (i8, ptr @que, i64 4), ptr noundef nonnull %gep13)
  %9 = load i32, ptr @n, align 4, !tbaa !5
  call void @_Z3dfsiii(i32 noundef 0, i32 noundef 1, i32 noundef %9)
  %10 = load i32, ptr @m, align 4, !tbaa !5
  %11 = add nsw i32 %10, -1
  store i32 %11, ptr @m, align 4, !tbaa !5
  %.not710 = icmp eq i32 %10, 0
  br i1 %.not710, label %.loopexit, label %.lr.ph12

.lr.ph:                                           ; preds = %.lr.ph16, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 1, %.lr.ph16 ]
  %12 = getelementptr inbounds i32, ptr @a, i64 %indvars.iv
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %12)
  %14 = load i32, ptr %12, align 4, !tbaa !5
  %15 = getelementptr inbounds [100001 x i32], ptr @que, i64 0, i64 %indvars.iv
  store i32 %14, ptr %15, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %16 = load i32, ptr @n, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %.not6.not = icmp slt i64 %indvars.iv, %17
  br i1 %.not6.not, label %.lr.ph, label %._crit_edge, !llvm.loop !11

.lr.ph12:                                         ; preds = %._crit_edge, %.lr.ph12
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %19 = load i32, ptr @n, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %gep = getelementptr i32, ptr getelementptr inbounds (i8, ptr @que, i64 4), i64 %20
  %21 = call noundef ptr @_ZSt11lower_boundIPiiET_S1_S1_RKT0_(ptr noundef nonnull getelementptr inbounds (i8, ptr @que, i64 4), ptr noundef nonnull %gep, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %22 = ptrtoint ptr %21 to i64
  %23 = sub i64 %22, ptrtoint (ptr @que to i64)
  %24 = ashr exact i64 %23, 2
  %25 = getelementptr inbounds [100001 x i32], ptr @ans, i64 0, i64 %24
  %26 = load i32, ptr %25, align 4, !tbaa !5
  %27 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %26)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  %28 = load i32, ptr @m, align 4, !tbaa !5
  %29 = add nsw i32 %28, -1
  store i32 %29, ptr @m, align 4, !tbaa !5
  %.not7 = icmp eq i32 %28, 0
  br i1 %.not7, label %.loopexit, label %.lr.ph12, !llvm.loop !12

._crit_edge17:                                    ; preds = %.loopexit, %0
  ret i32 0
}

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPiEvT_S1_(ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { inlinehint 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 = { 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 = distinct !{!12, !10}


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