; LLVM IR from DionysiosB/CodeForces :: 0100-0199 (166A-RankList)

; 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"

@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = 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 i64, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  store i64 100, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !9
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %13 = load i32, ptr %3, align 4, !tbaa !9
  %14 = sext i32 %13 to i64
  %15 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %14, i64 4)
  %16 = extractvalue { i64, i1 } %15, 1
  %17 = extractvalue { i64, i1 } %15, 0
  %18 = select i1 %16, i64 -1, i64 %17
  %19 = call noalias noundef nonnull ptr @_Znam(i64 noundef %18) #7
  store ptr %19, ptr %5, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %20

20:                                               ; preds = %38, %0
  %21 = load i32, ptr %8, align 4, !tbaa !9
  %22 = load i32, ptr %3, align 4, !tbaa !9
  %23 = icmp slt i32 %21, %22
  br i1 %23, label %25, label %24

24:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %41

25:                                               ; preds = %20
  %26 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %6, ptr noundef %7)
  %27 = load i32, ptr %6, align 4, !tbaa !9
  %28 = sext i32 %27 to i64
  %29 = mul nsw i64 100, %28
  %30 = load i32, ptr %7, align 4, !tbaa !9
  %31 = sext i32 %30 to i64
  %32 = sub nsw i64 %29, %31
  %33 = trunc i64 %32 to i32
  %34 = load ptr, ptr %5, align 8, !tbaa !11
  %35 = load i32, ptr %8, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds i32, ptr %34, i64 %36
  store i32 %33, ptr %37, align 4, !tbaa !9
  br label %38

38:                                               ; preds = %25
  %39 = load i32, ptr %8, align 4, !tbaa !9
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %8, align 4, !tbaa !9
  br label %20, !llvm.loop !13

41:                                               ; preds = %24
  %42 = load ptr, ptr %5, align 8, !tbaa !11
  %43 = load ptr, ptr %5, align 8, !tbaa !11
  %44 = load i32, ptr %3, align 4, !tbaa !9
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds i32, ptr %43, i64 %45
  call void @_ZSt4sortIPiEvT_S1_(ptr noundef %42, ptr noundef %46)
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  %47 = load ptr, ptr %5, align 8, !tbaa !11
  %48 = load i32, ptr %3, align 4, !tbaa !9
  %49 = load i32, ptr %4, align 4, !tbaa !9
  %50 = sub nsw i32 %48, %49
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds i32, ptr %47, i64 %51
  %53 = load i32, ptr %52, align 4, !tbaa !9
  store i32 %53, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %54

54:                                               ; preds = %71, %41
  %55 = load i32, ptr %11, align 4, !tbaa !9
  %56 = load i32, ptr %3, align 4, !tbaa !9
  %57 = icmp slt i32 %55, %56
  br i1 %57, label %59, label %58

58:                                               ; preds = %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %74

59:                                               ; preds = %54
  %60 = load ptr, ptr %5, align 8, !tbaa !11
  %61 = load i32, ptr %11, align 4, !tbaa !9
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds i32, ptr %60, i64 %62
  %64 = load i32, ptr %63, align 4, !tbaa !9
  %65 = load i32, ptr %9, align 4, !tbaa !9
  %66 = icmp eq i32 %64, %65
  br i1 %66, label %67, label %70

67:                                               ; preds = %59
  %68 = load i32, ptr %10, align 4, !tbaa !9
  %69 = add nsw i32 %68, 1
  store i32 %69, ptr %10, align 4, !tbaa !9
  br label %70

70:                                               ; preds = %67, %59
  br label %71

71:                                               ; preds = %70
  %72 = load i32, ptr %11, align 4, !tbaa !9
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %11, align 4, !tbaa !9
  br label %54, !llvm.loop !15

74:                                               ; preds = %58
  %75 = load i32, ptr %10, align 4, !tbaa !9
  %76 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %75)
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  ret i32 0
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #3

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #4

; 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 uwtable
declare dso_local void @_ZSt4sortIPiEvT_S1_(ptr noundef, ptr noundef) #5

declare i32 @printf(ptr noundef, ...) #2

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { nobuiltin allocsize(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 = { 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 #6 = { nounwind }
attributes #7 = { builtin allocsize(0) }

!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", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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"

@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = 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 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  store i32 0, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 0, ptr %2, align 4, !tbaa !5
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %6 = load i32, ptr %1, align 4, !tbaa !5
  %7 = sext i32 %6 to i64
  %8 = icmp slt i32 %6, 0
  %9 = shl nsw i64 %7, 2
  %10 = select i1 %8, i64 -1, i64 %9
  %11 = call noalias noundef nonnull ptr @_Znam(i64 noundef %10) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  store i32 0, ptr %4, align 4, !tbaa !5
  %12 = icmp sgt i32 %6, 0
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  %.pre-phi = phi i64 [ %7, %0 ], [ %38, %.lr.ph ]
  %13 = getelementptr inbounds i32, ptr %11, i64 %.pre-phi
  call void @_ZSt4sortIPiEvT_S1_(ptr noundef nonnull %11, ptr noundef nonnull %13)
  %14 = load i32, ptr %1, align 4, !tbaa !5
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = sub nsw i32 %14, %15
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds i32, ptr %11, i64 %17
  %19 = load i32, ptr %18, align 4, !tbaa !5
  %20 = icmp sgt i32 %14, 0
  br i1 %20, label %.lr.ph20.preheader, label %._crit_edge21

.lr.ph20.preheader:                               ; preds = %._crit_edge
  %wide.trip.count = zext nneg i32 %14 to i64
  %min.iters.check = icmp ult i32 %14, 8
  br i1 %min.iters.check, label %.lr.ph20.preheader30, label %vector.ph

.lr.ph20.preheader30:                             ; preds = %middle.block, %.lr.ph20.preheader
  %indvars.iv25.ph = phi i64 [ 0, %.lr.ph20.preheader ], [ %n.vec, %middle.block ]
  %.01317.ph = phi i32 [ 0, %.lr.ph20.preheader ], [ %30, %middle.block ]
  br label %.lr.ph20

vector.ph:                                        ; preds = %.lr.ph20.preheader
  %n.vec = and i64 %wide.trip.count, 2147483640
  %broadcast.splatinsert = insertelement <4 x i32> poison, i32 %19, i64 0
  %broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> poison, <4 x i32> zeroinitializer
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %vec.phi = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %27, %vector.body ]
  %vec.phi28 = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %28, %vector.body ]
  %21 = getelementptr inbounds i32, ptr %11, i64 %index
  %22 = getelementptr inbounds i8, ptr %21, i64 16
  %wide.load = load <4 x i32>, ptr %21, align 4, !tbaa !5
  %wide.load29 = load <4 x i32>, ptr %22, align 4, !tbaa !5
  %23 = icmp eq <4 x i32> %wide.load, %broadcast.splat
  %24 = icmp eq <4 x i32> %wide.load29, %broadcast.splat
  %25 = zext <4 x i1> %23 to <4 x i32>
  %26 = zext <4 x i1> %24 to <4 x i32>
  %27 = add <4 x i32> %vec.phi, %25
  %28 = add <4 x i32> %vec.phi28, %26
  %index.next = add nuw i64 %index, 8
  %29 = icmp eq i64 %index.next, %n.vec
  br i1 %29, label %middle.block, label %vector.body, !llvm.loop !9

middle.block:                                     ; preds = %vector.body
  %bin.rdx = add <4 x i32> %28, %27
  %30 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %bin.rdx)
  %cmp.n = icmp eq i64 %n.vec, %wide.trip.count
  br i1 %cmp.n, label %._crit_edge21, label %.lr.ph20.preheader30

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %31 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3, ptr noundef nonnull %4)
  %32 = load i32, ptr %3, align 4, !tbaa !5
  %33 = mul i32 %32, 100
  %34 = load i32, ptr %4, align 4, !tbaa !5
  %35 = sub i32 %33, %34
  %36 = getelementptr inbounds i32, ptr %11, i64 %indvars.iv
  store i32 %35, ptr %36, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %37 = load i32, ptr %1, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  %39 = icmp slt i64 %indvars.iv.next, %38
  br i1 %39, label %.lr.ph, label %._crit_edge, !llvm.loop !13

._crit_edge21:                                    ; preds = %.lr.ph20, %middle.block, %._crit_edge
  %.013.lcssa = phi i32 [ 0, %._crit_edge ], [ %30, %middle.block ], [ %spec.select, %.lr.ph20 ]
  %40 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %.013.lcssa)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

.lr.ph20:                                         ; preds = %.lr.ph20.preheader30, %.lr.ph20
  %indvars.iv25 = phi i64 [ %indvars.iv.next26, %.lr.ph20 ], [ %indvars.iv25.ph, %.lr.ph20.preheader30 ]
  %.01317 = phi i32 [ %spec.select, %.lr.ph20 ], [ %.01317.ph, %.lr.ph20.preheader30 ]
  %41 = getelementptr inbounds i32, ptr %11, i64 %indvars.iv25
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = icmp eq i32 %42, %19
  %44 = zext i1 %43 to i32
  %spec.select = add nuw nsw i32 %.01317, %44
  %indvars.iv.next26 = add nuw nsw i64 %indvars.iv25, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next26, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge21, label %.lr.ph20, !llvm.loop !14
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #3

; 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 uwtable
declare dso_local void @_ZSt4sortIPiEvT_S1_(ptr noundef, ptr noundef) local_unnamed_addr #4

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.vector.reduce.add.v4i32(<4 x i32>) #5

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nobuiltin allocsize(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 = { 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 #5 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { nounwind }
attributes #7 = { builtin allocsize(0) }

!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, !11, !12}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.isvectorized", i32 1}
!12 = !{!"llvm.loop.unroll.runtime.disable"}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10, !12, !11}


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