; LLVM IR from ShahjalalShohag/code-library :: Data Structures (Persistent UnionFind)

; 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"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%struct.PersistentDSU = type <{ %struct.PersistentArray, %struct.PersistentArray, %"class.std::vector.0", i32, [4 x i8] }>
%struct.PersistentArray = type { i32, %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<PersistentArray<int>::node *, std::allocator<PersistentArray<int>::node *>>::_Vector_impl" }
%"struct.std::_Vector_base<PersistentArray<int>::node *, std::allocator<PersistentArray<int>::node *>>::_Vector_impl" = type { %"struct.std::_Vector_base<PersistentArray<int>::node *, std::allocator<PersistentArray<int>::node *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<PersistentArray<int>::node *, std::allocator<PersistentArray<int>::node *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@r = external dso_local global [200009 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %struct.PersistentDSU, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %12 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %13 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %15
  %17 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %16, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 96, ptr %4) #7
  %20 = load i32, ptr %2, align 4, !tbaa !8
  %21 = load i32, ptr %3, align 4, !tbaa !8
  %22 = add nsw i32 %21, 1
  call void @_ZN13PersistentDSUC2Eii(ptr noundef nonnull align 8 dereferenceable(92) %4, i32 noundef %20, i32 noundef %22)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  store i32 1, ptr %5, align 4, !tbaa !8
  br label %23

23:                                               ; preds = %83, %0
  %24 = load i32, ptr %5, align 4, !tbaa !8
  %25 = load i32, ptr %3, align 4, !tbaa !8
  %26 = icmp sle i32 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %86

28:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  %29 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %30 unwind label %57

30:                                               ; preds = %28
  %31 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %32 unwind label %57

32:                                               ; preds = %30
  %33 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %31, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %34 unwind label %57

34:                                               ; preds = %32
  %35 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %33, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %36 unwind label %57

36:                                               ; preds = %34
  %37 = load i32, ptr %7, align 4, !tbaa !8
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr %7, align 4, !tbaa !8
  %39 = load i32, ptr %8, align 4, !tbaa !8
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %8, align 4, !tbaa !8
  %41 = load i32, ptr %9, align 4, !tbaa !8
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %9, align 4, !tbaa !8
  %43 = load i32, ptr %6, align 4, !tbaa !8
  %44 = icmp eq i32 %43, 0
  br i1 %44, label %45, label %61

45:                                               ; preds = %36
  %46 = load i32, ptr %7, align 4, !tbaa !8
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [200009 x i32], ptr @r, i64 0, i64 %47
  %49 = load i32, ptr %48, align 4, !tbaa !8
  %50 = load i32, ptr %8, align 4, !tbaa !8
  %51 = load i32, ptr %9, align 4, !tbaa !8
  %52 = invoke noundef i32 @_ZN13PersistentDSU5mergeEiii(ptr noundef nonnull align 8 dereferenceable(92) %4, i32 noundef %49, i32 noundef %50, i32 noundef %51)
          to label %53 unwind label %57

53:                                               ; preds = %45
  %54 = load i32, ptr %5, align 4, !tbaa !8
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds [200009 x i32], ptr @r, i64 0, i64 %55
  store i32 %52, ptr %56, align 4, !tbaa !8
  br label %82

57:                                               ; preds = %79, %77, %61, %45, %34, %32, %30, %28
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %10, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @_ZN13PersistentDSUD2Ev(ptr noundef nonnull align 8 dereferenceable(92) %4) #7
  call void @llvm.lifetime.end.p0(i64 96, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %88

61:                                               ; preds = %36
  %62 = load i32, ptr %5, align 4, !tbaa !8
  %63 = sub nsw i32 %62, 1
  %64 = sext i32 %63 to i64
  %65 = getelementptr inbounds [200009 x i32], ptr @r, i64 0, i64 %64
  %66 = load i32, ptr %65, align 4, !tbaa !8
  %67 = load i32, ptr %5, align 4, !tbaa !8
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [200009 x i32], ptr @r, i64 0, i64 %68
  store i32 %66, ptr %69, align 4, !tbaa !8
  %70 = load i32, ptr %7, align 4, !tbaa !8
  %71 = sext i32 %70 to i64
  %72 = getelementptr inbounds [200009 x i32], ptr @r, i64 0, i64 %71
  %73 = load i32, ptr %72, align 4, !tbaa !8
  %74 = load i32, ptr %8, align 4, !tbaa !8
  %75 = load i32, ptr %9, align 4, !tbaa !8
  %76 = invoke noundef zeroext i1 @_ZN13PersistentDSU4sameEiii(ptr noundef nonnull align 8 dereferenceable(92) %4, i32 noundef %73, i32 noundef %74, i32 noundef %75)
          to label %77 unwind label %57

77:                                               ; preds = %61
  %78 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEb(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i1 noundef zeroext %76)
          to label %79 unwind label %57

79:                                               ; preds = %77
  %80 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %78, i8 noundef signext 10)
          to label %81 unwind label %57

81:                                               ; preds = %79
  br label %82

82:                                               ; preds = %81, %53
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %83

83:                                               ; preds = %82
  %84 = load i32, ptr %5, align 4, !tbaa !8
  %85 = add nsw i32 %84, 1
  store i32 %85, ptr %5, align 4, !tbaa !8
  br label %23, !llvm.loop !11

86:                                               ; preds = %27
  store i32 0, ptr %1, align 4
  call void @_ZN13PersistentDSUD2Ev(ptr noundef nonnull align 8 dereferenceable(92) %4) #7
  call void @llvm.lifetime.end.p0(i64 96, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %87 = load i32, ptr %1, align 4
  ret i32 %87

88:                                               ; preds = %57
  %89 = load ptr, ptr %10, align 8
  %90 = load i32, ptr %11, align 4
  %91 = insertvalue { ptr, i32 } poison, ptr %89, 0
  %92 = insertvalue { ptr, i32 } %91, i32 %90, 1
  resume { ptr, i32 } %92
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #3 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13PersistentDSUC2Eii(ptr noundef nonnull align 8 dereferenceable(92), i32 noundef, i32 noundef) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN13PersistentDSU5mergeEiii(ptr noundef nonnull align 8 dereferenceable(92), i32 noundef, i32 noundef, i32 noundef) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEb(ptr noundef nonnull align 8 dereferenceable(8), i1 noundef zeroext) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN13PersistentDSU4sameEiii(ptr noundef nonnull align 8 dereferenceable(92), i32 noundef, i32 noundef, i32 noundef) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN13PersistentDSUD2Ev(ptr noundef nonnull align 8 dereferenceable(92)) unnamed_addr #6 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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 = { 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 = { 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 = { 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 #7 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !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"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%struct.PersistentDSU = type <{ %struct.PersistentArray, %struct.PersistentArray, %"class.std::vector.0", i32, [4 x i8] }>
%struct.PersistentArray = type { i32, %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<PersistentArray<int>::node *, std::allocator<PersistentArray<int>::node *>>::_Vector_impl" }
%"struct.std::_Vector_base<PersistentArray<int>::node *, std::allocator<PersistentArray<int>::node *>>::_Vector_impl" = type { %"struct.std::_Vector_base<PersistentArray<int>::node *, std::allocator<PersistentArray<int>::node *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<PersistentArray<int>::node *, std::allocator<PersistentArray<int>::node *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@r = external dso_local local_unnamed_addr global [200009 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %struct.PersistentDSU, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %9 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %10 = getelementptr i8, ptr %9, i64 -24
  %11 = load i64, ptr %10, align 8
  %12 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %11
  %13 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %12, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 96, ptr nonnull %3) #7
  %16 = load i32, ptr %1, align 4, !tbaa !8
  %17 = load i32, ptr %2, align 4, !tbaa !8
  %18 = add nsw i32 %17, 1
  call void @_ZN13PersistentDSUC2Eii(ptr noundef nonnull align 8 dereferenceable(92) %3, i32 noundef %16, i32 noundef %18)
  %19 = load i32, ptr %2, align 4, !tbaa !8
  %.not7 = icmp slt i32 %19, 1
  br i1 %.not7, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %58, %0
  call void @_ZN13PersistentDSUD2Ev(ptr noundef nonnull align 8 dereferenceable(92) %3) #7
  call void @llvm.lifetime.end.p0(i64 96, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

.lr.ph:                                           ; preds = %0, %58
  %indvars.iv = phi i64 [ %indvars.iv.next, %58 ], [ 1, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  %20 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %21 unwind label %43

21:                                               ; preds = %.lr.ph
  %22 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %23 unwind label %43

23:                                               ; preds = %21
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %25 unwind label %43

25:                                               ; preds = %23
  %26 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %24, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %27 unwind label %43

27:                                               ; preds = %25
  %28 = load i32, ptr %5, align 4, !tbaa !8
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %5, align 4, !tbaa !8
  %30 = load i32, ptr %6, align 4, !tbaa !8
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %6, align 4, !tbaa !8
  %32 = load i32, ptr %7, align 4, !tbaa !8
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %7, align 4, !tbaa !8
  %34 = load i32, ptr %4, align 4, !tbaa !8
  %35 = icmp eq i32 %34, 0
  br i1 %35, label %36, label %45

36:                                               ; preds = %27
  %37 = sext i32 %29 to i64
  %38 = getelementptr inbounds [200009 x i32], ptr @r, i64 0, i64 %37
  %39 = load i32, ptr %38, align 4, !tbaa !8
  %40 = invoke noundef i32 @_ZN13PersistentDSU5mergeEiii(ptr noundef nonnull align 8 dereferenceable(92) %3, i32 noundef %39, i32 noundef %31, i32 noundef %33)
          to label %41 unwind label %43

41:                                               ; preds = %36
  %42 = getelementptr inbounds [200009 x i32], ptr @r, i64 0, i64 %indvars.iv
  store i32 %40, ptr %42, align 4, !tbaa !8
  br label %58

43:                                               ; preds = %56, %54, %45, %36, %25, %23, %21, %.lr.ph
  %44 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @_ZN13PersistentDSUD2Ev(ptr noundef nonnull align 8 dereferenceable(92) %3) #7
  call void @llvm.lifetime.end.p0(i64 96, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %44

45:                                               ; preds = %27
  %46 = add nsw i64 %indvars.iv, -1
  %47 = getelementptr inbounds [200009 x i32], ptr @r, i64 0, i64 %46
  %48 = load i32, ptr %47, align 4, !tbaa !8
  %49 = getelementptr inbounds [200009 x i32], ptr @r, i64 0, i64 %indvars.iv
  store i32 %48, ptr %49, align 4, !tbaa !8
  %50 = sext i32 %29 to i64
  %51 = getelementptr inbounds [200009 x i32], ptr @r, i64 0, i64 %50
  %52 = load i32, ptr %51, align 4, !tbaa !8
  %53 = invoke noundef zeroext i1 @_ZN13PersistentDSU4sameEiii(ptr noundef nonnull align 8 dereferenceable(92) %3, i32 noundef %52, i32 noundef %31, i32 noundef %33)
          to label %54 unwind label %43

54:                                               ; preds = %45
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEb(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i1 noundef zeroext %53)
          to label %56 unwind label %43

56:                                               ; preds = %54
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %55, i8 noundef signext 10)
          to label %58 unwind label %43

58:                                               ; preds = %56, %41
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %59 = load i32, ptr %2, align 4, !tbaa !8
  %60 = sext i32 %59 to i64
  %.not.not = icmp slt i64 %indvars.iv, %60
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !11
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #3 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13PersistentDSUC2Eii(ptr noundef nonnull align 8 dereferenceable(92), i32 noundef, i32 noundef) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN13PersistentDSU5mergeEiii(ptr noundef nonnull align 8 dereferenceable(92), i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEb(ptr noundef nonnull align 8 dereferenceable(8), i1 noundef zeroext) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN13PersistentDSU4sameEiii(ptr noundef nonnull align 8 dereferenceable(92), i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN13PersistentDSUD2Ev(ptr noundef nonnull align 8 dereferenceable(92)) unnamed_addr #6 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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 = { 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 = { 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 = { 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 #7 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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