; LLVM IR from ERGO-Code/HiGHS :: src/simplex/HEkk.ll (ZN4HEkk19tabooBadBasisChangeEv)

; 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.HEkk = type { ptr, ptr, ptr, %class.HighsSimplexAnalysis, %class.HighsLp, %"class.std::__cxx11::basic_string", %struct.HighsSimplexStatus, [3 x i8], %struct.HighsSimplexInfo, i32, %struct.SimplexBasis, %class.HighsHashTable, %class.HighsRandom, %"class.std::vector.3", %"class.std::vector.3", i8, %class.HighsSparseMatrix, %class.HighsSparseMatrix, %class.HSimplexNla, %struct.HotStart, double, double, double, i32, i32, i32, i32, i8, i8, i32, i32, i32, %"class.std::vector.8", %"class.std::vector.3", %struct.HighsRayRecord, %struct.HighsRayRecord, i32, i32, i32, double, %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", double, double, double, i32, i32, i8, i32, i8, i8, i8, i8, double, %"class.std::vector.66", %"class.std::vector.3", %struct.HighsSimplexStats }
%class.HighsSimplexAnalysis = type { ptr, %"class.std::vector", %"class.std::vector", ptr, i32, i32, i32, %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string", %struct.HighsLogOptions, i8, i8, i8, i8, i8, i8, i8, i32, i32, i32, i32, i32, i32, i32, i32, i32, %"class.std::__cxx11::basic_string", double, double, double, double, double, double, double, double, double, double, double, double, i32, i32, double, double, i32, double, double, i32, double, double, double, double, double, double, double, double, double, double, i32, double, i32, i32, i32, i32, i32, i32, i32, i32, i32, [4 x i8], %struct.HighsValueDistribution, %struct.HighsValueDistribution, %struct.HighsValueDistribution, %struct.HighsValueDistribution, %struct.HighsValueDistribution, %struct.HighsValueDistribution, %struct.HighsValueDistribution, %struct.HighsValueDistribution, %struct.HighsValueDistribution, %struct.HighsValueDistribution, i32, i32, i32, i32, double, double, i32, i32, i32, i32, i32, double, double, i32, double, double, i32, i32, double, double, %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.13", %"class.std::unique_ptr", i32, i32, i32, i32, double, double, double, double, double, double, double, double, double, double, i32, i32, double, double, double, i8, double, double, i32, i32, i32, i32, i32, double, double, double, double, double, double, double, double, double, i32, i32, [10 x %"struct.HighsSimplexAnalysis::AnIterOpRec"], i32, i32, [22 x %"struct.HighsSimplexAnalysis::AnIterTraceRec"], [12 x i32], [3 x i32], [4 x i8], %struct.HighsValueDistribution, %struct.HighsValueDistribution, %struct.HighsValueDistribution, %struct.HighsValueDistribution, %struct.HighsValueDistribution, %struct.HighsValueDistribution }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<HighsTimerClock, std::allocator<HighsTimerClock>>::_Vector_impl" }
%"struct.std::_Vector_base<HighsTimerClock, std::allocator<HighsTimerClock>>::_Vector_impl" = type { %"struct.std::_Vector_base<HighsTimerClock, std::allocator<HighsTimerClock>>::_Vector_impl_data" }
%"struct.std::_Vector_base<HighsTimerClock, std::allocator<HighsTimerClock>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.HighsLogOptions = type <{ ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::function", ptr, i8, [7 x i8] }>
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%"class.std::vector.13" = type { %"struct.std::_Vector_base.14" }
%"struct.std::_Vector_base.14" = type { %"struct.std::_Vector_base<TranStageAnalysis, std::allocator<TranStageAnalysis>>::_Vector_impl" }
%"struct.std::_Vector_base<TranStageAnalysis, std::allocator<TranStageAnalysis>>::_Vector_impl" = type { %"struct.std::_Vector_base<TranStageAnalysis, std::allocator<TranStageAnalysis>>::_Vector_impl_data" }
%"struct.std::_Vector_base<TranStageAnalysis, std::allocator<TranStageAnalysis>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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.19" }
%"struct.std::_Head_base.19" = type { ptr }
%"struct.HighsSimplexAnalysis::AnIterOpRec" = type { double, double, i32, i32, i32, i32, double, i32, %"class.std::__cxx11::basic_string", %struct.HighsValueDistribution }
%"struct.HighsSimplexAnalysis::AnIterTraceRec" = type { double, double, [10 x double], double, i32, i32, i32 }
%struct.HighsValueDistribution = type <{ %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string", i32, i32, i32, [4 x i8], double, double, %"class.std::vector.3", %"class.std::vector.8", i32, [4 x i8] }>
%class.HighsLp = type { i32, i32, %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %class.HighsSparseMatrix, i32, double, %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string", i32, i32, %"class.std::vector.20", %"class.std::vector.20", %"class.std::vector.25", %struct.HighsNameHash, %struct.HighsNameHash, i32, i32, %struct.HighsScale, i8, i8, i32, i8, %struct.HighsLpMods }
%"class.std::vector.20" = type { %"struct.std::_Vector_base.21" }
%"struct.std::_Vector_base.21" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_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<HighsVarType, std::allocator<HighsVarType>>::_Vector_impl" }
%"struct.std::_Vector_base<HighsVarType, std::allocator<HighsVarType>>::_Vector_impl" = type { %"struct.std::_Vector_base<HighsVarType, std::allocator<HighsVarType>>::_Vector_impl_data" }
%"struct.std::_Vector_base<HighsVarType, std::allocator<HighsVarType>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.HighsNameHash = type { %"class.std::unordered_map" }
%"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 }
%struct.HighsScale = type { i32, i8, i32, i32, double, %"class.std::vector.3", %"class.std::vector.3" }
%struct.HighsLpMods = type { %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.25", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%struct.HighsSimplexStatus = type { i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8 }
%struct.HighsSimplexInfo = type <{ %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", i32, i32, i8, i8, [6 x i8], %struct.SimplexBasis, i32, i32, i32, [4 x i8], %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", i32, i32, i32, i32, double, double, double, double, i32, i32, double, double, double, double, double, double, double, double, double, double, i8, [7 x i8], double, double, i32, [4 x i8], double, double, double, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i32, [4 x i8], double, double, i32, [4 x i8], double, double, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, double, double, double, double, i32, [4 x i8] }>
%struct.SimplexBasis = type { %"class.std::vector.8", %"class.std::vector.35", %"class.std::vector.35", i64, i32, i32, %"class.std::__cxx11::basic_string" }
%"class.std::vector.35" = type { %"struct.std::_Vector_base.36" }
%"struct.std::_Vector_base.36" = type { %"struct.std::_Vector_base<signed char, std::allocator<signed char>>::_Vector_impl" }
%"struct.std::_Vector_base<signed char, std::allocator<signed char>>::_Vector_impl" = type { %"struct.std::_Vector_base<signed char, std::allocator<signed char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<signed char, std::allocator<signed char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.HighsHashTable = type { %"class.std::unique_ptr.40", %"class.std::unique_ptr.48", i64, i64, i64 }
%"class.std::unique_ptr.40" = type { %"struct.std::__uniq_ptr_data.41" }
%"struct.std::__uniq_ptr_data.41" = type { %"class.std::__uniq_ptr_impl.42" }
%"class.std::__uniq_ptr_impl.42" = type { %"class.std::tuple.43" }
%"class.std::tuple.43" = type { %"struct.std::_Tuple_impl.44" }
%"struct.std::_Tuple_impl.44" = type { %"struct.std::_Head_base.47" }
%"struct.std::_Head_base.47" = type { ptr }
%"class.std::unique_ptr.48" = type { %"struct.std::__uniq_ptr_data.49" }
%"struct.std::__uniq_ptr_data.49" = type { %"class.std::__uniq_ptr_impl.50" }
%"class.std::__uniq_ptr_impl.50" = type { %"class.std::tuple.51" }
%"class.std::tuple.51" = type { %"struct.std::_Tuple_impl.52" }
%"struct.std::_Tuple_impl.52" = type { %"struct.std::_Head_base.55" }
%"struct.std::_Head_base.55" = type { ptr }
%class.HighsRandom = type { i64 }
%class.HighsSparseMatrix = type { i32, i32, i32, %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3" }
%class.HSimplexNla = type { ptr, ptr, ptr, ptr, ptr, ptr, %class.HFactor, i8, double, %struct.ProductFormUpdate, %struct.SimplexIterate }
%class.HFactor = type { double, double, i32, %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %struct.RefactorInfo, i32, i32, i32, i32, i32, i32, i32, double, i8, ptr, ptr, ptr, ptr, double, double, i32, double, %"class.std::unique_ptr.56", %struct.HighsLogOptions, i8, i8, i32, i32, ptr, i32, %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.64", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", i32, i32, %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %class.HVectorBase }
%struct.RefactorInfo = type { i8, %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.35", double }
%"class.std::unique_ptr.56" = type { %"struct.std::__uniq_ptr_data.57" }
%"struct.std::__uniq_ptr_data.57" = type { %"class.std::__uniq_ptr_impl.58" }
%"class.std::__uniq_ptr_impl.58" = type { %"class.std::tuple.59" }
%"class.std::tuple.59" = type { %"struct.std::_Tuple_impl.60" }
%"struct.std::_Tuple_impl.60" = type { %"struct.std::_Head_base.63" }
%"struct.std::_Head_base.63" = type { ptr }
%"class.std::vector.64" = type { %"struct.std::_Vector_base.65" }
%"struct.std::_Vector_base.65" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.HVectorBase = type { i32, i32, %"class.std::vector.8", %"class.std::vector.3", double, %"class.std::vector.64", %"class.std::vector.8", ptr, i8, i32, %"class.std::vector.8", %"class.std::vector.3" }
%struct.ProductFormUpdate = type { i8, i32, i32, %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3" }
%struct.SimplexIterate = type { i8, %struct.SimplexBasis, %struct.InvertibleRepresentation, %"class.std::vector.3" }
%struct.InvertibleRepresentation = type { %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.3" }
%struct.HotStart = type { i8, %struct.RefactorInfo, %"class.std::vector.35" }
%struct.HighsRayRecord = type { i32, i32, %"class.std::vector.3" }
%"class.std::vector.8" = type { %"struct.std::_Vector_base.9" }
%"struct.std::_Vector_base.9" = 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.66" = type { %"struct.std::_Vector_base.67" }
%"struct.std::_Vector_base.67" = type { %"struct.std::_Vector_base<HighsSimplexBadBasisChangeRecord, std::allocator<HighsSimplexBadBasisChangeRecord>>::_Vector_impl" }
%"struct.std::_Vector_base<HighsSimplexBadBasisChangeRecord, std::allocator<HighsSimplexBadBasisChangeRecord>>::_Vector_impl" = type { %"struct.std::_Vector_base<HighsSimplexBadBasisChangeRecord, std::allocator<HighsSimplexBadBasisChangeRecord>>::_Vector_impl_data" }
%"struct.std::_Vector_base<HighsSimplexBadBasisChangeRecord, std::allocator<HighsSimplexBadBasisChangeRecord>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = 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 }
%struct.HighsSimplexStats = type { i8, i32, i32, i32, i32, double, double, double, double }
%struct.HighsSimplexBadBasisChangeRecord = type { i8, i32, i32, i32, i32, double }

; 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 i64 @_ZNKSt6vectorI32HighsSimplexBadBasisChangeRecordSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorI32HighsSimplexBadBasisChangeRecordSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN4HEkk19tabooBadBasisChangeEv(ptr noundef nonnull align 8 dereferenceable(14568) %0) #1 align 2 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #2
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %7

7:                                                ; preds = %24, %1
  %8 = load i32, ptr %4, align 4, !tbaa !9
  %9 = getelementptr inbounds %class.HEkk, ptr %6, i32 0, i32 59
  %10 = call noundef i64 @_ZNKSt6vectorI32HighsSimplexBadBasisChangeRecordSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #2
  %11 = trunc i64 %10 to i32
  %12 = icmp slt i32 %8, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %7
  store i32 2, ptr %5, align 4
  br label %27

14:                                               ; preds = %7
  %15 = getelementptr inbounds %class.HEkk, ptr %6, i32 0, i32 59
  %16 = load i32, ptr %4, align 4, !tbaa !9
  %17 = sext i32 %16 to i64
  %18 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorI32HighsSimplexBadBasisChangeRecordSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef %17) #2
  %19 = getelementptr inbounds %struct.HighsSimplexBadBasisChangeRecord, ptr %18, i32 0, i32 0
  %20 = load i8, ptr %19, align 8, !tbaa !11, !range !16, !noundef !17
  %21 = trunc i8 %20 to i1
  br i1 %21, label %22, label %23

22:                                               ; preds = %14
  store i1 true, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %27

23:                                               ; preds = %14
  br label %24

24:                                               ; preds = %23
  %25 = load i32, ptr %4, align 4, !tbaa !9
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %4, align 4, !tbaa !9
  br label %7, !llvm.loop !18

27:                                               ; preds = %22, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #2
  %28 = load i32, ptr %5, align 4
  switch i32 %28, label %32 [
    i32 2, label %29
    i32 1, label %30
  ]

29:                                               ; preds = %27
  store i1 false, ptr %2, align 1
  br label %30

30:                                               ; preds = %29, %27
  %31 = load i1, ptr %2, align 1
  ret i1 %31

32:                                               ; preds = %27
  unreachable
}

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 = { 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 = !{!12, !13, i64 0}
!12 = !{!"_ZTS32HighsSimplexBadBasisChangeRecord", !13, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !14, i64 16, !15, i64 24}
!13 = !{!"bool", !7, i64 0}
!14 = !{!"_ZTS20BadBasisChangeReason", !7, i64 0}
!15 = !{!"double", !7, i64 0}
!16 = !{i8 0, i8 2}
!17 = !{}
!18 = distinct !{!18, !19}
!19 = !{!"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 i64 @_ZNKSt6vectorI32HighsSimplexBadBasisChangeRecordSaIS0_EE4sizeEv(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(32) ptr @_ZNSt6vectorI32HighsSimplexBadBasisChangeRecordSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN4HEkk19tabooBadBasisChangeEv(ptr noundef nonnull align 8 dereferenceable(14568) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 14464
  %3 = tail call noundef i64 @_ZNKSt6vectorI32HighsSimplexBadBasisChangeRecordSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #1
  %4 = trunc i64 %3 to i32
  %.not7 = icmp sgt i32 %4, 0
  br i1 %.not7, label %.lr.ph, label %._crit_edge

5:                                                ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %6 = tail call noundef i64 @_ZNKSt6vectorI32HighsSimplexBadBasisChangeRecordSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #1
  %sext = shl i64 %6, 32
  %7 = ashr exact i64 %sext, 32
  %.not = icmp slt i64 %indvars.iv.next, %7
  br i1 %.not, label %.lr.ph, label %._crit_edge, !llvm.loop !5

.lr.ph:                                           ; preds = %1, %5
  %indvars.iv = phi i64 [ %indvars.iv.next, %5 ], [ 0, %1 ]
  %8 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorI32HighsSimplexBadBasisChangeRecordSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #1
  %9 = load i8, ptr %8, align 8, !tbaa !7, !range !15, !noundef !16
  %10 = trunc nuw i8 %9 to i1
  br i1 %10, label %._crit_edge, label %5

._crit_edge:                                      ; preds = %5, %.lr.ph, %1
  %.not.lcssa = phi i1 [ false, %1 ], [ %10, %.lr.ph ], [ %10, %5 ]
  ret i1 %.not.lcssa
}

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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !9, i64 0}
!8 = !{!"_ZTS32HighsSimplexBadBasisChangeRecord", !9, i64 0, !12, i64 4, !12, i64 8, !12, i64 12, !13, i64 16, !14, i64 24}
!9 = !{!"bool", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"int", !10, i64 0}
!13 = !{!"_ZTS20BadBasisChangeReason", !10, i64 0}
!14 = !{!"double", !10, i64 0}
!15 = !{i8 0, i8 2}
!16 = !{}


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