; LLVM IR from ritikbanger/Hacktoberfest2022-DSA :: 29. Codeforces Problems/1579F_Array Stabilization.ll (Z3dfsRSt6vectorIxSaIxEES2_xx)

; 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 @_Z3dfsRSt6vectorIxSaIxEES2_xx(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %2, i64 noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i64 %2, ptr %7, align 8, !tbaa !9
  store i64 %3, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #3
  store i64 %11, ptr %9, align 8, !tbaa !9
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = load i64, ptr %7, align 8, !tbaa !9
  %14 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %13) #3
  store i64 1, ptr %14, align 8, !tbaa !9
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = load i64, ptr %7, align 8, !tbaa !9
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef %16) #3
  %18 = load i64, ptr %17, align 8, !tbaa !9
  %19 = icmp eq i64 %18, 1
  br i1 %19, label %20, label %43

20:                                               ; preds = %4
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = load i64, ptr %7, align 8, !tbaa !9
  %23 = load i64, ptr %9, align 8, !tbaa !9
  %24 = add nsw i64 %22, %23
  %25 = load i64, ptr %8, align 8, !tbaa !9
  %26 = sub nsw i64 %24, %25
  %27 = load i64, ptr %9, align 8, !tbaa !9
  %28 = srem i64 %26, %27
  %29 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %21, i64 noundef %28) #3
  %30 = load i64, ptr %29, align 8, !tbaa !9
  %31 = icmp ne i64 %30, 0
  br i1 %31, label %43, label %32

32:                                               ; preds = %20
  %33 = load ptr, ptr %5, align 8, !tbaa !5
  %34 = load ptr, ptr %6, align 8, !tbaa !5
  %35 = load i64, ptr %7, align 8, !tbaa !9
  %36 = load i64, ptr %9, align 8, !tbaa !9
  %37 = add nsw i64 %35, %36
  %38 = load i64, ptr %8, align 8, !tbaa !9
  %39 = sub nsw i64 %37, %38
  %40 = load i64, ptr %9, align 8, !tbaa !9
  %41 = srem i64 %39, %40
  %42 = load i64, ptr %8, align 8, !tbaa !9
  call void @_Z3dfsRSt6vectorIxSaIxEES2_xx(ptr noundef nonnull align 8 dereferenceable(24) %33, ptr noundef nonnull align 8 dereferenceable(24) %34, i64 noundef %41, i64 noundef %42)
  br label %43

43:                                               ; preds = %32, %20, %4
  %44 = load ptr, ptr %5, align 8, !tbaa !5
  %45 = load i64, ptr %7, align 8, !tbaa !9
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %44, i64 noundef %45) #3
  %47 = load i64, ptr %46, align 8, !tbaa !9
  %48 = icmp eq i64 %47, 0
  br i1 %48, label %49, label %53

49:                                               ; preds = %43
  %50 = load ptr, ptr %6, align 8, !tbaa !5
  %51 = load i64, ptr %7, align 8, !tbaa !9
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %50, i64 noundef %51) #3
  store i64 1, ptr %52, align 8, !tbaa !9
  br label %68

53:                                               ; preds = %43
  %54 = load ptr, ptr %6, align 8, !tbaa !5
  %55 = load i64, ptr %7, align 8, !tbaa !9
  %56 = load i64, ptr %9, align 8, !tbaa !9
  %57 = add nsw i64 %55, %56
  %58 = load i64, ptr %8, align 8, !tbaa !9
  %59 = sub nsw i64 %57, %58
  %60 = load i64, ptr %9, align 8, !tbaa !9
  %61 = srem i64 %59, %60
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %54, i64 noundef %61) #3
  %63 = load i64, ptr %62, align 8, !tbaa !9
  %64 = add nsw i64 %63, 1
  %65 = load ptr, ptr %6, align 8, !tbaa !5
  %66 = load i64, ptr %7, align 8, !tbaa !9
  %67 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %65, i64 noundef %66) #3
  store i64 %64, ptr %67, align 8, !tbaa !9
  br label %68

68:                                               ; preds = %53, %49
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  ret void
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

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

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 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}


; 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 @_Z3dfsRSt6vectorIxSaIxEES2_xx(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %2, i64 noundef %3) local_unnamed_addr #0 {
  %5 = tail call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #1
  %6 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %2) #1
  store i64 1, ptr %6, align 8, !tbaa !5
  %7 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %2) #1
  %8 = load i64, ptr %7, align 8, !tbaa !5
  %9 = icmp eq i64 %8, 1
  br i1 %9, label %10, label %17

10:                                               ; preds = %4
  %11 = sub i64 %2, %3
  %12 = add i64 %11, %5
  %13 = srem i64 %12, %5
  %14 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %13) #1
  %15 = load i64, ptr %14, align 8, !tbaa !5
  %.not = icmp eq i64 %15, 0
  br i1 %.not, label %16, label %17

16:                                               ; preds = %10
  tail call void @_Z3dfsRSt6vectorIxSaIxEES2_xx(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %13, i64 noundef %3)
  br label %17

17:                                               ; preds = %16, %10, %4
  %18 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %2) #1
  %19 = load i64, ptr %18, align 8, !tbaa !5
  %20 = icmp eq i64 %19, 0
  br i1 %20, label %28, label %21

21:                                               ; preds = %17
  %22 = add nsw i64 %5, %2
  %23 = sub i64 %22, %3
  %24 = srem i64 %23, %5
  %25 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %24) #1
  %26 = load i64, ptr %25, align 8, !tbaa !5
  %27 = add nsw i64 %26, 1
  br label %28

28:                                               ; preds = %17, %21
  %.sink = phi i64 [ %27, %21 ], [ 1, %17 ]
  %29 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %2) #1
  store i64 %.sink, ptr %29, align 8, !tbaa !5
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(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 @_ZNSt6vectorIxSaIxEEixEm(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 long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass