; LLVM IR from tangjz/acm-icpc :: codeforces/complete (1334B)

; 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"

%"struct.std::greater" = type { i8 }

@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
@.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 norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"struct.std::greater", align 1
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @t)
  br label %7

7:                                                ; preds = %61, %0
  %8 = load i32, ptr @t, align 4, !tbaa !5
  %9 = add nsw i32 %8, -1
  store i32 %9, ptr @t, align 4, !tbaa !5
  %10 = icmp ne i32 %8, 0
  br i1 %10, label %11, label %64

11:                                               ; preds = %7
  %12 = 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) #4
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %13

13:                                               ; preds = %23, %11
  %14 = load i32, ptr %2, align 4, !tbaa !5
  %15 = load i32, ptr @n, align 4, !tbaa !5
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  br label %26

18:                                               ; preds = %13
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds i32, ptr @a, i64 %20
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %21)
  br label %23

23:                                               ; preds = %18
  %24 = load i32, ptr %2, align 4, !tbaa !5
  %25 = add nsw i32 %24, 1
  store i32 %25, ptr %2, align 4, !tbaa !5
  br label %13, !llvm.loop !9

26:                                               ; preds = %17
  %27 = load i32, ptr @n, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds i32, ptr @a, i64 %28
  call void @_ZSt4sortIPiSt7greaterIiEEvT_S3_T0_(ptr noundef @a, ptr noundef %29)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  store i64 0, ptr %5, align 8, !tbaa !11
  br label %30

30:                                               ; preds = %52, %26
  %31 = load i32, ptr %4, align 4, !tbaa !5
  %32 = load i32, ptr @n, align 4, !tbaa !5
  %33 = icmp slt i32 %31, %32
  br i1 %33, label %34, label %49

34:                                               ; preds = %30
  %35 = load i64, ptr %5, align 8, !tbaa !11
  %36 = load i32, ptr %4, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [100001 x i32], ptr @a, i64 0, i64 %37
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = add nsw i64 %35, %40
  %42 = load i32, ptr @m, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = load i32, ptr %4, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = add nsw i64 %45, 1
  %47 = mul nsw i64 %43, %46
  %48 = icmp sge i64 %41, %47
  br label %49

49:                                               ; preds = %34, %30
  %50 = phi i1 [ false, %30 ], [ %48, %34 ]
  br i1 %50, label %51, label %61

51:                                               ; preds = %49
  br label %52

52:                                               ; preds = %51
  %53 = load i32, ptr %4, align 4, !tbaa !5
  %54 = add nsw i32 %53, 1
  store i32 %54, ptr %4, align 4, !tbaa !5
  %55 = sext i32 %53 to i64
  %56 = getelementptr inbounds [100001 x i32], ptr @a, i64 0, i64 %55
  %57 = load i32, ptr %56, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = load i64, ptr %5, align 8, !tbaa !11
  %60 = add nsw i64 %59, %58
  store i64 %60, ptr %5, align 8, !tbaa !11
  br label %30, !llvm.loop !13

61:                                               ; preds = %49
  %62 = load i32, ptr %4, align 4, !tbaa !5
  %63 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %62)
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %7, !llvm.loop !14

64:                                               ; preds = %7
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPiSt7greaterIiEEvT_S3_T0_(ptr noundef, ptr noundef) #3

declare i32 @printf(ptr noundef, ...) #1

attributes #0 = { 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 #1 = { "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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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}
!13 = distinct !{!13, !10}
!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"

@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
@.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 norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @t)
  %2 = load i32, ptr @t, align 4, !tbaa !5
  %3 = add nsw i32 %2, -1
  store i32 %3, ptr @t, align 4, !tbaa !5
  %.not23 = icmp eq i32 %2, 0
  br i1 %.not23, label %._crit_edge26, label %.lr.ph25

.lr.ph25:                                         ; preds = %0, %.critedge
  %4 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull @n, ptr noundef nonnull @m)
  %5 = load i32, ptr @n, align 4, !tbaa !5
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %.lr.ph25.._crit_edge_crit_edge

.lr.ph25.._crit_edge_crit_edge:                   ; preds = %.lr.ph25
  %.pre = sext i32 %5 to i64
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph25.._crit_edge_crit_edge
  %.pre-phi = phi i64 [ %.pre, %.lr.ph25.._crit_edge_crit_edge ], [ %15, %.lr.ph ]
  %7 = getelementptr inbounds i32, ptr @a, i64 %.pre-phi
  tail call void @_ZSt4sortIPiSt7greaterIiEEvT_S3_T0_(ptr noundef nonnull @a, ptr noundef nonnull %7)
  %8 = load i32, ptr @n, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph19, label %.critedge

.lr.ph19:                                         ; preds = %._crit_edge
  %10 = load i32, ptr @m, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  %wide.trip.count = zext nneg i32 %8 to i64
  br label %17

.lr.ph:                                           ; preds = %.lr.ph25, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.lr.ph25 ]
  %12 = getelementptr inbounds i32, ptr @a, i64 %indvars.iv
  %13 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %12)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %14 = load i32, ptr @n, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = icmp slt i64 %indvars.iv.next, %15
  br i1 %16, label %.lr.ph, label %._crit_edge, !llvm.loop !9

17:                                               ; preds = %.lr.ph19, %24
  %indvars.iv29 = phi i64 [ 0, %.lr.ph19 ], [ %22, %24 ]
  %.017 = phi i64 [ 0, %.lr.ph19 ], [ %21, %24 ]
  %18 = getelementptr inbounds [100001 x i32], ptr @a, i64 0, i64 %indvars.iv29
  %19 = load i32, ptr %18, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = add nsw i64 %.017, %20
  %22 = add nuw nsw i64 %indvars.iv29, 1
  %23 = mul nsw i64 %22, %11
  %.not14 = icmp slt i64 %21, %23
  br i1 %.not14, label %.critedge.loopexit.split.loop.exit32, label %24

24:                                               ; preds = %17
  %exitcond.not = icmp eq i64 %22, %wide.trip.count
  br i1 %exitcond.not, label %.critedge, label %17, !llvm.loop !11

.critedge.loopexit.split.loop.exit32:             ; preds = %17
  %25 = trunc nuw nsw i64 %indvars.iv29 to i32
  br label %.critedge

.critedge:                                        ; preds = %24, %.critedge.loopexit.split.loop.exit32, %._crit_edge
  %.010.lcssa = phi i32 [ 0, %._crit_edge ], [ %25, %.critedge.loopexit.split.loop.exit32 ], [ %8, %24 ]
  %26 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %.010.lcssa)
  %27 = load i32, ptr @t, align 4, !tbaa !5
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr @t, align 4, !tbaa !5
  %.not = icmp eq i32 %27, 0
  br i1 %.not, label %._crit_edge26, label %.lr.ph25, !llvm.loop !12

._crit_edge26:                                    ; preds = %.critedge, %0
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPiSt7greaterIiEEvT_S3_T0_(ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

attributes #0 = { 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 #1 = { 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 #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" }

!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,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass