; LLVM IR from ERGO-Code/HiGHS :: src/presolve/HighsSymmetry.ll (ZN22HighsSymmetryDetection21markCellForRefinementEi)

; 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.__gnu_cxx::__normal_iterator.47" = type { ptr }
%"struct.std::greater" = type { i8 }
%class.HighsSymmetryDetection = type { ptr, %"class.std::vector", %"class.std::vector", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector", %"class.std::vector", %"class.std::vector", %"class.std::vector", %"class.std::vector", %"class.std::vector", %"class.std::vector", %"class.std::vector", %"class.std::vector.8", %"class.std::vector", %"class.std::vector.13", %"class.std::vector", %"class.std::vector", %"class.std::vector.18", %"class.std::vector.18", %"class.std::vector.18", %"class.std::vector", %"class.std::vector", %class.HighsHashTable, %class.HighsHashTable.33, %class.HighsHashTable.33, i32, i32, i32, i32, i32, i32, i32, i32, i32, %"class.std::vector.42" }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<std::pair<int, unsigned int>, std::allocator<std::pair<int, unsigned int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, unsigned int>, std::allocator<std::pair<int, unsigned int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, unsigned int>, std::allocator<std::pair<int, unsigned int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, unsigned int>, std::allocator<std::pair<int, unsigned int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.8" = type { %"struct.std::_Vector_base.9" }
%"struct.std::_Vector_base.9" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.13" = type { %"struct.std::_Vector_base.14" }
%"struct.std::_Vector_base.14" = 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 }
%"class.std::vector.18" = type { %"struct.std::_Vector_base.19" }
%"struct.std::_Vector_base.19" = type { %"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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 }
%class.HighsHashTable = type { %"class.std::unique_ptr", %"class.std::unique_ptr.25", i64, i64, i64 }
%"class.std::unique_ptr" = type { %"struct.std::__uniq_ptr_data" }
%"struct.std::__uniq_ptr_data" = type { %"class.std::__uniq_ptr_impl" }
%"class.std::__uniq_ptr_impl" = type { %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Head_base.24" }
%"struct.std::_Head_base.24" = type { ptr }
%"class.std::unique_ptr.25" = type { %"struct.std::__uniq_ptr_data.26" }
%"struct.std::__uniq_ptr_data.26" = type { %"class.std::__uniq_ptr_impl.27" }
%"class.std::__uniq_ptr_impl.27" = type { %"class.std::tuple.28" }
%"class.std::tuple.28" = type { %"struct.std::_Tuple_impl.29" }
%"struct.std::_Tuple_impl.29" = type { %"struct.std::_Head_base.32" }
%"struct.std::_Head_base.32" = type { ptr }
%class.HighsHashTable.33 = type { %"class.std::unique_ptr.34", %"class.std::unique_ptr.25", i64, i64, i64 }
%"class.std::unique_ptr.34" = type { %"struct.std::__uniq_ptr_data.35" }
%"struct.std::__uniq_ptr_data.35" = type { %"class.std::__uniq_ptr_impl.36" }
%"class.std::__uniq_ptr_impl.36" = type { %"class.std::tuple.37" }
%"class.std::tuple.37" = type { %"struct.std::_Tuple_impl.38" }
%"struct.std::_Tuple_impl.38" = type { %"struct.std::_Head_base.41" }
%"struct.std::_Head_base.41" = type { ptr }
%"class.std::vector.42" = type { %"struct.std::_Vector_base.43" }
%"struct.std::_Vector_base.43" = type { %"struct.std::_Vector_base<HighsSymmetryDetection::Node, std::allocator<HighsSymmetryDetection::Node>>::_Vector_impl" }
%"struct.std::_Vector_base<HighsSymmetryDetection::Node, std::allocator<HighsSymmetryDetection::Node>>::_Vector_impl" = type { %"struct.std::_Vector_base<HighsSymmetryDetection::Node, std::allocator<HighsSymmetryDetection::Node>>::_Vector_impl_data" }
%"struct.std::_Vector_base<HighsSymmetryDetection::Node, std::allocator<HighsSymmetryDetection::Node>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN22HighsSymmetryDetection21markCellForRefinementEi(ptr noundef nonnull align 8 dereferenceable(720) %0, i32 noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.__gnu_cxx::__normal_iterator.47", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator.47", align 8
  %7 = alloca %"struct.std::greater", align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %8 = load ptr, ptr %3, align 8
  %9 = load i32, ptr %4, align 4, !tbaa !9
  %10 = call noundef i32 @_ZNK22HighsSymmetryDetection8cellSizeEi(ptr noundef nonnull align 8 dereferenceable(720) %8, i32 noundef %9)
  %11 = icmp eq i32 %10, 1
  br i1 %11, label %19, label %12

12:                                               ; preds = %2
  %13 = getelementptr inbounds %class.HighsSymmetryDetection, ptr %8, i32 0, i32 13
  %14 = load i32, ptr %4, align 4, !tbaa !9
  %15 = sext i32 %14 to i64
  %16 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %15) #3
  %17 = load i8, ptr %16, align 1, !tbaa !11
  %18 = icmp ne i8 %17, 0
  br i1 %18, label %19, label %20

19:                                               ; preds = %12, %2
  br label %36

20:                                               ; preds = %12
  %21 = getelementptr inbounds %class.HighsSymmetryDetection, ptr %8, i32 0, i32 13
  %22 = load i32, ptr %4, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %21, i64 noundef %23) #3
  store i8 1, ptr %24, align 1, !tbaa !11
  %25 = getelementptr inbounds %class.HighsSymmetryDetection, ptr %8, i32 0, i32 14
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %25, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %26 = getelementptr inbounds %class.HighsSymmetryDetection, ptr %8, i32 0, i32 14
  %27 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %26) #3
  %28 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.47", ptr %5, i32 0, i32 0
  store ptr %27, ptr %28, align 8
  %29 = getelementptr inbounds %class.HighsSymmetryDetection, ptr %8, i32 0, i32 14
  %30 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #3
  %31 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.47", ptr %6, i32 0, i32 0
  store ptr %30, ptr %31, align 8
  %32 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.47", ptr %5, i32 0, i32 0
  %33 = load ptr, ptr %32, align 8
  %34 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.47", ptr %6, i32 0, i32 0
  %35 = load ptr, ptr %34, align 8
  call void @_ZSt9push_heapIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEESt7greaterIiEEvT_S9_T0_(ptr %33, ptr %35)
  br label %36

36:                                               ; preds = %20, %19
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK22HighsSymmetryDetection8cellSizeEi(ptr noundef nonnull align 8 dereferenceable(720), i32 noundef) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt9push_heapIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEESt7greaterIiEEvT_S9_T0_(ptr, ptr) #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 = { 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 #2 = { 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 #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 = !{!"int", !7, i64 0}
!11 = !{!7, !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
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN22HighsSymmetryDetection21markCellForRefinementEi(ptr noundef nonnull align 8 dereferenceable(720) %0, i32 noundef %1) local_unnamed_addr #1 align 2 {
  %3 = alloca i32, align 4
  store i32 %1, ptr %3, align 4, !tbaa !5
  %4 = tail call noundef i32 @_ZNK22HighsSymmetryDetection8cellSizeEi(ptr noundef nonnull align 8 dereferenceable(720) %0, i32 noundef %1)
  %5 = icmp eq i32 %4, 1
  br i1 %5, label %16, label %6

6:                                                ; preds = %2
  %7 = getelementptr inbounds i8, ptr %0, i64 296
  %8 = sext i32 %1 to i64
  %9 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %8) #3
  %10 = load i8, ptr %9, align 1, !tbaa !9
  %.not = icmp eq i8 %10, 0
  br i1 %.not, label %11, label %16

11:                                               ; preds = %6
  %12 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %8) #3
  store i8 1, ptr %12, align 1, !tbaa !9
  %13 = getelementptr inbounds i8, ptr %0, i64 320
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %13, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %14 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  %15 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  call void @_ZSt9push_heapIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEESt7greaterIiEEvT_S9_T0_(ptr %14, ptr %15)
  br label %16

16:                                               ; preds = %2, %6, %11
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK22HighsSymmetryDetection8cellSizeEi(ptr noundef nonnull align 8 dereferenceable(720), i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt9push_heapIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEESt7greaterIiEEvT_S9_T0_(ptr, ptr) local_unnamed_addr #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 = { 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 #2 = { 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass