; LLVM IR from VastoLorde95/Competitive-Programming :: Codeforces/322 Division 2/Problem B (B)

; 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
@h = external dso_local global [100100 x i32], align 16
@ans = external dso_local global [100100 x i32], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [1 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 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 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %9

9:                                                ; preds = %19, %0
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = load i32, ptr @n, align 4, !tbaa !5
  %12 = icmp slt i32 %10, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  br label %22

14:                                               ; preds = %9
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [100100 x i32], ptr @h, i64 0, i64 %16
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %17)
  br label %19

19:                                               ; preds = %14
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %2, align 4, !tbaa !5
  br label %9, !llvm.loop !9

22:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %23 = load i32, ptr @n, align 4, !tbaa !5
  %24 = sub nsw i32 %23, 1
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [100100 x i32], ptr @h, i64 0, i64 %25
  %27 = load i32, ptr %26, align 4, !tbaa !5
  store i32 %27, ptr %3, align 4, !tbaa !5
  %28 = load i32, ptr @n, align 4, !tbaa !5
  %29 = sub nsw i32 %28, 1
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds [100100 x i32], ptr @ans, i64 0, i64 %30
  store i32 0, ptr %31, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  %32 = load i32, ptr @n, align 4, !tbaa !5
  %33 = sub nsw i32 %32, 2
  store i32 %33, ptr %4, align 4, !tbaa !5
  br label %34

34:                                               ; preds = %56, %22
  %35 = load i32, ptr %4, align 4, !tbaa !5
  %36 = icmp sge i32 %35, 0
  br i1 %36, label %38, label %37

37:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %59

38:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  %39 = load i32, ptr %3, align 4, !tbaa !5
  %40 = load i32, ptr %4, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [100100 x i32], ptr @h, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = sub nsw i32 %39, %43
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %6, align 4, !tbaa !5
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = load i32, ptr %4, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds [100100 x i32], ptr @ans, i64 0, i64 %49
  store i32 %47, ptr %50, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  %51 = load i32, ptr %4, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [100100 x i32], ptr @h, i64 0, i64 %52
  %54 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %53)
  %55 = load i32, ptr %54, align 4, !tbaa !5
  store i32 %55, ptr %3, align 4, !tbaa !5
  br label %56

56:                                               ; preds = %38
  %57 = load i32, ptr %4, align 4, !tbaa !5
  %58 = add nsw i32 %57, -1
  store i32 %58, ptr %4, align 4, !tbaa !5
  br label %34, !llvm.loop !11

59:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %60

60:                                               ; preds = %71, %59
  %61 = load i32, ptr %7, align 4, !tbaa !5
  %62 = load i32, ptr @n, align 4, !tbaa !5
  %63 = icmp slt i32 %61, %62
  br i1 %63, label %65, label %64

64:                                               ; preds = %60
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %74

65:                                               ; preds = %60
  %66 = load i32, ptr %7, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = getelementptr inbounds [100100 x i32], ptr @ans, i64 0, i64 %67
  %69 = load i32, ptr %68, align 4, !tbaa !5
  %70 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %69)
  br label %71

71:                                               ; preds = %65
  %72 = load i32, ptr %7, align 4, !tbaa !5
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %7, align 4, !tbaa !5
  br label %60, !llvm.loop !12

74:                                               ; preds = %64
  %75 = call i32 @puts(ptr noundef @.str.2)
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  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 nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

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

declare i32 @puts(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 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 #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 = 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"

@n = external dso_local global i32, align 4
@h = external dso_local global [100100 x i32], align 16
@ans = external dso_local local_unnamed_addr global [100100 x i32], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: mustprogress norecurse nounwind 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 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n)
  %5 = load i32, ptr @n, align 4, !tbaa !5
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %.preheader.thread

.preheader.thread:                                ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  %7 = add nsw i32 %5, -1
  %8 = sext i32 %7 to i64
  %9 = getelementptr inbounds [100100 x i32], ptr @h, i64 0, i64 %8
  %10 = load i32, ptr %9, align 4, !tbaa !5
  store i32 %10, ptr %1, align 4, !tbaa !5
  %11 = getelementptr inbounds [100100 x i32], ptr @ans, i64 0, i64 %8
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %._crit_edge19

._crit_edge:                                      ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  %12 = add nsw i32 %22, -1
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [100100 x i32], ptr @h, i64 0, i64 %13
  %15 = load i32, ptr %14, align 4, !tbaa !5
  store i32 %15, ptr %1, align 4, !tbaa !5
  %16 = getelementptr inbounds [100100 x i32], ptr @ans, i64 0, i64 %13
  store i32 0, ptr %16, align 4, !tbaa !5
  %17 = icmp sgt i32 %22, 1
  br i1 %17, label %.lr.ph16.preheader, label %.preheader

.lr.ph16.preheader:                               ; preds = %._crit_edge
  %18 = add nsw i32 %22, -2
  %19 = zext nneg i32 %18 to i64
  br label %.lr.ph16

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %20 = getelementptr inbounds [100100 x i32], ptr @h, i64 0, i64 %indvars.iv
  %21 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %20)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %22 = load i32, ptr @n, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = icmp slt i64 %indvars.iv.next, %23
  br i1 %24, label %.lr.ph, label %._crit_edge, !llvm.loop !9

.preheader.loopexit:                              ; preds = %.lr.ph16
  %.pre = load i32, ptr @n, align 4, !tbaa !5
  br label %.preheader

.preheader:                                       ; preds = %.preheader.loopexit, %._crit_edge
  %25 = phi i32 [ %.pre, %.preheader.loopexit ], [ %22, %._crit_edge ]
  %26 = icmp sgt i32 %25, 0
  br i1 %26, label %.lr.ph18, label %._crit_edge19

.lr.ph16:                                         ; preds = %.lr.ph16.preheader, %.lr.ph16
  %27 = phi i32 [ %15, %.lr.ph16.preheader ], [ %36, %.lr.ph16 ]
  %indvars.iv22 = phi i64 [ %19, %.lr.ph16.preheader ], [ %indvars.iv.next23, %.lr.ph16 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  store i32 0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  %28 = getelementptr inbounds [100100 x i32], ptr @h, i64 0, i64 %indvars.iv22
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = add i32 %27, 1
  %31 = sub i32 %30, %29
  store i32 %31, ptr %3, align 4, !tbaa !5
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = getelementptr inbounds [100100 x i32], ptr @ans, i64 0, i64 %indvars.iv22
  store i32 %33, ptr %34, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %1, ptr noundef nonnull align 4 dereferenceable(4) %28)
  %36 = load i32, ptr %35, align 4, !tbaa !5
  store i32 %36, ptr %1, align 4, !tbaa !5
  %indvars.iv.next23 = add nsw i64 %indvars.iv22, -1
  %.not = icmp eq i64 %indvars.iv22, 0
  br i1 %.not, label %.preheader.loopexit, label %.lr.ph16, !llvm.loop !11

._crit_edge19:                                    ; preds = %.lr.ph18, %.preheader.thread, %.preheader
  %37 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.2)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  ret i32 0

.lr.ph18:                                         ; preds = %.preheader, %.lr.ph18
  %indvars.iv25 = phi i64 [ %indvars.iv.next26, %.lr.ph18 ], [ 0, %.preheader ]
  %38 = getelementptr inbounds [100100 x i32], ptr @ans, i64 0, i64 %indvars.iv25
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %39)
  %indvars.iv.next26 = add nuw nsw i64 %indvars.iv25, 1
  %41 = load i32, ptr @n, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = icmp slt i64 %indvars.iv.next26, %42
  br i1 %43, label %.lr.ph18, label %._crit_edge19, !llvm.loop !12
}

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

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

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

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

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

attributes #0 = { mustprogress norecurse 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 #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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


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