; LLVM IR from ERGO-Code/HiGHS :: src/presolve (HPresolve)

; 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.presolve::HPresolve" = type { ptr, ptr, ptr, ptr, double, %"class.std::vector.20", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.20", %"class.std::vector.20", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.20", %"class.std::vector.20", %"class.std::vector.20", %"class.std::vector.20", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.25", %"class.std::vector.25", %class.HighsLinearSumBounds, %class.HighsLinearSumBounds, %"class.std::vector.5", %"class.std::vector.10", %"class.std::vector.5", %"class.std::vector.10", %"class.std::vector.35", %"class.std::unordered_map", %"class.std::set", %"class.std::vector.48", i8, i64, %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.10", %"class.std::vector.10", %"class.std::vector.53", i64, i32, i32, i32, i32, i32, i32, i8, i32, %class.HPresolveAnalysis }
%"class.std::vector.20" = type { %"struct.std::_Vector_base.21" }
%"struct.std::_Vector_base.21" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.25" = type { %"struct.std::_Vector_base.26" }
%"struct.std::_Vector_base.26" = type { %"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.HighsLinearSumBounds = type { %"class.std::vector.30", %"class.std::vector.30", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.30", %"class.std::vector.30", %"class.std::vector.5", %"class.std::vector.5", ptr, ptr, ptr, ptr, ptr, ptr }
%"class.std::vector.30" = type { %"struct.std::_Vector_base.31" }
%"struct.std::_Vector_base.31" = type { %"struct.std::_Vector_base<HighsCDouble, std::allocator<HighsCDouble>>::_Vector_impl" }
%"struct.std::_Vector_base<HighsCDouble, std::allocator<HighsCDouble>>::_Vector_impl" = type { %"struct.std::_Vector_base<HighsCDouble, std::allocator<HighsCDouble>>::_Vector_impl_data" }
%"struct.std::_Vector_base<HighsCDouble, std::allocator<HighsCDouble>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.35" = type { %"struct.std::_Vector_base.36" }
%"struct.std::_Vector_base.36" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::vector.48" = type { %"struct.std::_Vector_base.49" }
%"struct.std::_Vector_base.49" = type { %"struct.std::_Vector_base<std::_Rb_tree_const_iterator<std::pair<int, int>>, std::allocator<std::_Rb_tree_const_iterator<std::pair<int, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::_Rb_tree_const_iterator<std::pair<int, int>>, std::allocator<std::_Rb_tree_const_iterator<std::pair<int, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::_Rb_tree_const_iterator<std::pair<int, int>>, std::allocator<std::_Rb_tree_const_iterator<std::pair<int, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::_Rb_tree_const_iterator<std::pair<int, int>>, std::allocator<std::_Rb_tree_const_iterator<std::pair<int, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = 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.10" = type { %"struct.std::_Vector_base.11" }
%"struct.std::_Vector_base.11" = 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.53" = type { %"struct.std::_Vector_base.54" }
%"struct.std::_Vector_base.54" = type { %"struct.std::_Vector_base<unsigned short, std::allocator<unsigned short>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned short, std::allocator<unsigned short>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned short, std::allocator<unsigned short>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned short, std::allocator<unsigned short>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.HPresolveAnalysis = type { ptr, ptr, ptr, ptr, ptr, i32, i32, %"class.std::vector.58", i8, i8, i32, i32, i32, %struct.HighsPresolveLog }
%"class.std::vector.58" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%struct.HighsPresolveLog = type { %"class.std::vector.62" }
%"class.std::vector.62" = type { %"struct.std::_Vector_base.63" }
%"struct.std::_Vector_base.63" = type { %"struct.std::_Vector_base<HighsPresolveRuleLog, std::allocator<HighsPresolveRuleLog>>::_Vector_impl" }
%"struct.std::_Vector_base<HighsPresolveRuleLog, std::allocator<HighsPresolveRuleLog>>::_Vector_impl" = type { %"struct.std::_Vector_base<HighsPresolveRuleLog, std::allocator<HighsPresolveRuleLog>>::_Vector_impl_data" }
%"struct.std::_Vector_base<HighsPresolveRuleLog, std::allocator<HighsPresolveRuleLog>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; 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 nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #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) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN8presolve9HPresolve19removeRowSingletonsERNS_19HighsPostsolveStackE(ptr noundef nonnull align 8 dereferenceable(1720) %0, ptr noundef nonnull align 8 dereferenceable(224) %1) #2 align 2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %10 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %11

11:                                               ; preds = %54, %2
  %12 = load i64, ptr %6, align 8, !tbaa !9
  %13 = getelementptr inbounds %"class.presolve::HPresolve", ptr %10, i32 0, i32 44
  %14 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  %15 = icmp ne i64 %12, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %11
  store i32 2, ptr %7, align 4
  br label %57

17:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  %18 = getelementptr inbounds %"class.presolve::HPresolve", ptr %10, i32 0, i32 44
  %19 = load i64, ptr %6, align 8, !tbaa !9
  %20 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef %19) #3
  %21 = load i32, ptr %20, align 4, !tbaa !11
  store i32 %21, ptr %8, align 4, !tbaa !11
  %22 = getelementptr inbounds %"class.presolve::HPresolve", ptr %10, i32 0, i32 46
  %23 = load i32, ptr %8, align 4, !tbaa !11
  %24 = sext i32 %23 to i64
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %22, i64 noundef %24) #3
  %26 = load i8, ptr %25, align 1, !tbaa !13
  %27 = icmp ne i8 %26, 0
  br i1 %27, label %35, label %28

28:                                               ; preds = %17
  %29 = getelementptr inbounds %"class.presolve::HPresolve", ptr %10, i32 0, i32 14
  %30 = load i32, ptr %8, align 4, !tbaa !11
  %31 = sext i32 %30 to i64
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %29, i64 noundef %31) #3
  %33 = load i32, ptr %32, align 4, !tbaa !11
  %34 = icmp sgt i32 %33, 1
  br i1 %34, label %35, label %36

35:                                               ; preds = %28, %17
  store i32 4, ptr %7, align 4
  br label %51

36:                                               ; preds = %28
  br label %37

37:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %38 = load ptr, ptr %5, align 8, !tbaa !5
  %39 = load i32, ptr %8, align 4, !tbaa !11
  %40 = call noundef i32 @_ZN8presolve9HPresolve11rowPresolveERNS_19HighsPostsolveStackEi(ptr noundef nonnull align 8 dereferenceable(1720) %10, ptr noundef nonnull align 8 dereferenceable(224) %38, i32 noundef %39)
  store i32 %40, ptr %9, align 4, !tbaa !14
  %41 = load i32, ptr %9, align 4, !tbaa !14
  %42 = icmp ne i32 %41, 0
  br i1 %42, label %43, label %45

43:                                               ; preds = %37
  %44 = load i32, ptr %9, align 4, !tbaa !14
  store i32 %44, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %46

45:                                               ; preds = %37
  store i32 0, ptr %7, align 4
  br label %46

46:                                               ; preds = %45, %43
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  %47 = load i32, ptr %7, align 4
  switch i32 %47, label %51 [
    i32 0, label %48
  ]

48:                                               ; preds = %46
  br label %49

49:                                               ; preds = %48
  br label %50

50:                                               ; preds = %49
  store i32 0, ptr %7, align 4
  br label %51

51:                                               ; preds = %50, %46, %35
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  %52 = load i32, ptr %7, align 4
  switch i32 %52, label %57 [
    i32 0, label %53
    i32 4, label %54
  ]

53:                                               ; preds = %51
  br label %54

54:                                               ; preds = %53, %51
  %55 = load i64, ptr %6, align 8, !tbaa !9
  %56 = add i64 %55, 1
  store i64 %56, ptr %6, align 8, !tbaa !9
  br label %11, !llvm.loop !16

57:                                               ; preds = %51, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %58 = load i32, ptr %7, align 4
  switch i32 %58, label %63 [
    i32 2, label %59
    i32 1, label %61
  ]

59:                                               ; preds = %57
  %60 = getelementptr inbounds %"class.presolve::HPresolve", ptr %10, i32 0, i32 44
  call void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %60) #3
  store i32 0, ptr %3, align 4
  br label %61

61:                                               ; preds = %59, %57
  %62 = load i32, ptr %3, align 4
  ret i32 %62

63:                                               ; preds = %57
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN8presolve9HPresolve11rowPresolveERNS_19HighsPostsolveStackEi(ptr noundef nonnull align 8 dereferenceable(1720), ptr noundef nonnull align 8 dereferenceable(224), i32 noundef) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!7, !7, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"_ZTSN8presolve9HPresolve6ResultE", !7, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"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
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(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 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 noundef i32 @_ZN8presolve9HPresolve19removeRowSingletonsERNS_19HighsPostsolveStackE(ptr noundef nonnull align 8 dereferenceable(1720) %0, ptr noundef nonnull align 8 dereferenceable(224) %1) local_unnamed_addr #1 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 1432
  %4 = tail call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  %.not30 = icmp eq i64 %4, 0
  br i1 %.not30, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2
  %5 = getelementptr inbounds i8, ptr %0, i64 1480
  %6 = getelementptr inbounds i8, ptr %0, i64 256
  br label %7

7:                                                ; preds = %.lr.ph, %select.unfold
  %.01331 = phi i64 [ 0, %.lr.ph ], [ %19, %select.unfold ]
  %8 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.01331) #2
  %9 = load i32, ptr %8, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  %11 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %10) #2
  %12 = load i8, ptr %11, align 1, !tbaa !9
  %.not18 = icmp eq i8 %12, 0
  br i1 %.not18, label %13, label %select.unfold

13:                                               ; preds = %7
  %14 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %10) #2
  %15 = load i32, ptr %14, align 4, !tbaa !5
  %16 = icmp sgt i32 %15, 1
  br i1 %16, label %select.unfold, label %17

17:                                               ; preds = %13
  %18 = tail call noundef i32 @_ZN8presolve9HPresolve11rowPresolveERNS_19HighsPostsolveStackEi(ptr noundef nonnull align 8 dereferenceable(1720) %0, ptr noundef nonnull align 8 dereferenceable(224) %1, i32 noundef %9)
  %.not19 = icmp eq i32 %18, 0
  br i1 %.not19, label %select.unfold, label %.loopexit

select.unfold:                                    ; preds = %17, %13, %7
  %19 = add i64 %.01331, 1
  %20 = tail call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  %.not = icmp eq i64 %19, %20
  br i1 %.not, label %._crit_edge, label %7, !llvm.loop !10

._crit_edge:                                      ; preds = %select.unfold, %2
  tail call void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  br label %.loopexit

.loopexit:                                        ; preds = %17, %._crit_edge
  %.4 = phi i32 [ 0, %._crit_edge ], [ %18, %17 ]
  ret i32 %.4
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN8presolve9HPresolve11rowPresolveERNS_19HighsPostsolveStackEi(ptr noundef nonnull align 8 dereferenceable(1720), ptr noundef nonnull align 8 dereferenceable(224), i32 noundef) local_unnamed_addr #1 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 = { 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 = { 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}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


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