; LLVM IR from DionysiosB/CodeForces :: 0700-0799 (741B-ArpasWeakAmphitheaterAndMehrdadsValuableHoses)

; 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"

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfslRKSt6vectorIS_IlSaIlEESaIS1_EERS1_l(i64 noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %3) #0 {
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  store i64 %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !9
  store i64 %3, ptr %8, align 8, !tbaa !5
  %10 = load ptr, ptr %7, align 8, !tbaa !9
  %11 = load i64, ptr %5, align 8, !tbaa !5
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %11) #3
  %13 = load i64, ptr %12, align 8, !tbaa !5
  %14 = icmp sge i64 %13, 0
  br i1 %14, label %15, label %16

15:                                               ; preds = %4
  br label %43

16:                                               ; preds = %4
  %17 = load i64, ptr %8, align 8, !tbaa !5
  %18 = load ptr, ptr %7, align 8, !tbaa !9
  %19 = load i64, ptr %5, align 8, !tbaa !5
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef %19) #3
  store i64 %17, ptr %20, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  store i64 0, ptr %9, align 8, !tbaa !5
  br label %21

21:                                               ; preds = %39, %16
  %22 = load i64, ptr %9, align 8, !tbaa !5
  %23 = load ptr, ptr %6, align 8, !tbaa !9
  %24 = load i64, ptr %5, align 8, !tbaa !5
  %25 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IlSaIlEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %23, i64 noundef %24) #3
  %26 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #3
  %27 = icmp ult i64 %22, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  br label %42

29:                                               ; preds = %21
  %30 = load ptr, ptr %6, align 8, !tbaa !9
  %31 = load i64, ptr %5, align 8, !tbaa !5
  %32 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IlSaIlEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %30, i64 noundef %31) #3
  %33 = load i64, ptr %9, align 8, !tbaa !5
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %32, i64 noundef %33) #3
  %35 = load i64, ptr %34, align 8, !tbaa !5
  %36 = load ptr, ptr %6, align 8, !tbaa !9
  %37 = load ptr, ptr %7, align 8, !tbaa !9
  %38 = load i64, ptr %8, align 8, !tbaa !5
  call void @_Z3dfslRKSt6vectorIS_IlSaIlEESaIS1_EERS1_l(i64 noundef %35, ptr noundef nonnull align 8 dereferenceable(24) %36, ptr noundef nonnull align 8 dereferenceable(24) %37, i64 noundef %38)
  br label %39

39:                                               ; preds = %29
  %40 = load i64, ptr %9, align 8, !tbaa !5
  %41 = add nsw i64 %40, 1
  store i64 %41, ptr %9, align 8, !tbaa !5
  br label %21, !llvm.loop !11

42:                                               ; preds = %28
  br label %43

43:                                               ; preds = %42, %15
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IlSaIlEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

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

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 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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"

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z3dfslRKSt6vectorIS_IlSaIlEESaIS1_EERS1_l(i64 noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %3) local_unnamed_addr #0 {
  %5 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %0) #1
  %6 = load i64, ptr %5, align 8, !tbaa !5
  %7 = icmp sgt i64 %6, -1
  br i1 %7, label %.loopexit, label %8

8:                                                ; preds = %4
  %9 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %0) #1
  store i64 %3, ptr %9, align 8, !tbaa !5
  %10 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IlSaIlEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %0) #1
  %11 = tail call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #1
  %.not = icmp eq i64 %11, 0
  br i1 %.not, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %8, %.lr.ph
  %.014 = phi i64 [ %15, %.lr.ph ], [ 0, %8 ]
  %12 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IlSaIlEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %0) #1
  %13 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %.014) #1
  %14 = load i64, ptr %13, align 8, !tbaa !5
  tail call void @_Z3dfslRKSt6vectorIS_IlSaIlEESaIS1_EERS1_l(i64 noundef %14, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %3)
  %15 = add nuw nsw i64 %.014, 1
  %16 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IlSaIlEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %0) #1
  %17 = tail call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #1
  %18 = icmp ult i64 %15, %17
  br i1 %18, label %.lr.ph, label %.loopexit, !llvm.loop !9

.loopexit:                                        ; preds = %.lr.ph, %8, %4
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IlSaIlEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass