; LLVM IR from ERGO-Code/HiGHS :: src/ipm/ipx/basis.ll (ZN3ipx5Basis17FreeBasicVariableEi)

; 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.ipx::Basis" = type { ptr, ptr, %"class.std::vector", %"class.std::vector", %"class.std::unique_ptr", i8, i32, i32, i32, i32, i32, i32, double, double, double, double, %"class.std::vector.5", double, double }
%"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.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.4" }
%"struct.std::_Head_base.4" = type { ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = 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 }

@.str.12 = external hidden unnamed_addr constant [70 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [21 x i8], align 1
@__PRETTY_FUNCTION__._ZN3ipx5Basis17FreeBasicVariableEi = external hidden unnamed_addr constant [40 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [40 x i8], align 1

; 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 i32 @_ZNK3ipx5Model4rowsEv(ptr noundef nonnull align 8 dereferenceable(704)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK3ipx5Basis8StatusOfEi(ptr noundef nonnull align 8 dereferenceable(176), i32 noundef) #2 align 2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #3

; 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 uwtable
define dso_local void @_ZN3ipx5Basis17FreeBasicVariableEi(ptr noundef nonnull align 8 dereferenceable(176) %0, i32 noundef %1) #4 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %7 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %8 = getelementptr inbounds %"class.ipx::Basis", ptr %7, i32 0, i32 1
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  %10 = call noundef i32 @_ZNK3ipx5Model4rowsEv(ptr noundef nonnull align 8 dereferenceable(704) %9)
  store i32 %10, ptr %5, align 4, !tbaa !9
  %11 = load i32, ptr %4, align 4, !tbaa !9
  %12 = call noundef i32 @_ZNK3ipx5Basis8StatusOfEi(ptr noundef nonnull align 8 dereferenceable(176) %7, i32 noundef %11)
  %13 = icmp eq i32 %12, 1
  br i1 %13, label %14, label %15

14:                                               ; preds = %2
  store i32 1, ptr %6, align 4
  br label %50

15:                                               ; preds = %2
  %16 = load i32, ptr %4, align 4, !tbaa !9
  %17 = call noundef i32 @_ZNK3ipx5Basis8StatusOfEi(ptr noundef nonnull align 8 dereferenceable(176) %7, i32 noundef %16)
  %18 = icmp eq i32 %17, 0
  br i1 %18, label %19, label %20

19:                                               ; preds = %15
  br label %22

20:                                               ; preds = %15
  call void @__assert_fail(ptr noundef @.str.14, ptr noundef @.str.12, i32 noundef 45, ptr noundef @__PRETTY_FUNCTION__._ZN3ipx5Basis17FreeBasicVariableEi) #6
  unreachable

21:                                               ; No predecessors!
  br label %22

22:                                               ; preds = %21, %19
  %23 = getelementptr inbounds %"class.ipx::Basis", ptr %7, i32 0, i32 3
  %24 = load i32, ptr %4, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %23, i64 noundef %25) #5
  %27 = load i32, ptr %26, align 4, !tbaa !9
  %28 = icmp sge i32 %27, 0
  br i1 %28, label %29, label %37

29:                                               ; preds = %22
  %30 = getelementptr inbounds %"class.ipx::Basis", ptr %7, i32 0, i32 3
  %31 = load i32, ptr %4, align 4, !tbaa !9
  %32 = sext i32 %31 to i64
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %30, i64 noundef %32) #5
  %34 = load i32, ptr %33, align 4, !tbaa !9
  %35 = load i32, ptr %5, align 4, !tbaa !9
  %36 = icmp slt i32 %34, %35
  br label %37

37:                                               ; preds = %29, %22
  %38 = phi i1 [ false, %22 ], [ %36, %29 ]
  br i1 %38, label %39, label %40

39:                                               ; preds = %37
  br label %42

40:                                               ; preds = %37
  call void @__assert_fail(ptr noundef @.str.15, ptr noundef @.str.12, i32 noundef 46, ptr noundef @__PRETTY_FUNCTION__._ZN3ipx5Basis17FreeBasicVariableEi) #6
  unreachable

41:                                               ; No predecessors!
  br label %42

42:                                               ; preds = %41, %39
  %43 = load i32, ptr %5, align 4, !tbaa !9
  %44 = getelementptr inbounds %"class.ipx::Basis", ptr %7, i32 0, i32 3
  %45 = load i32, ptr %4, align 4, !tbaa !9
  %46 = sext i32 %45 to i64
  %47 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %44, i64 noundef %46) #5
  %48 = load i32, ptr %47, align 4, !tbaa !9
  %49 = add nsw i32 %48, %43
  store i32 %49, ptr %47, align 4, !tbaa !9
  store i32 0, ptr %6, align 4
  br label %50

50:                                               ; preds = %42, %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  %51 = load i32, ptr %6, align 4
  switch i32 %51, label %53 [
    i32 0, label %52
    i32 1, label %52
  ]

52:                                               ; preds = %50, %50
  ret void

53:                                               ; preds = %50
  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 = { 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 #3 = { noreturn nounwind "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 = { nounwind }
attributes #6 = { noreturn 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, !6, i64 8}
!12 = !{!"_ZTSN3ipx5BasisE", !6, i64 0, !6, i64 8, !13, i64 16, !13, i64 40, !17, i64 64, !23, i64 72, !10, i64 76, !10, i64 80, !10, i64 84, !10, i64 88, !10, i64 92, !10, i64 96, !24, i64 104, !24, i64 112, !24, i64 120, !24, i64 128, !25, i64 136, !24, i64 160, !24, i64 168}
!13 = !{!"_ZTSSt6vectorIiSaIiEE", !14, i64 0}
!14 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!17 = !{!"_ZTSSt10unique_ptrIN3ipx8LuUpdateESt14default_deleteIS1_EE", !18, i64 0}
!18 = !{!"_ZTSSt15__uniq_ptr_dataIN3ipx8LuUpdateESt14default_deleteIS1_ELb1ELb1EE", !19, i64 0}
!19 = !{!"_ZTSSt15__uniq_ptr_implIN3ipx8LuUpdateESt14default_deleteIS1_EE", !20, i64 0}
!20 = !{!"_ZTSSt5tupleIJPN3ipx8LuUpdateESt14default_deleteIS1_EEE", !21, i64 0}
!21 = !{!"_ZTSSt11_Tuple_implILm0EJPN3ipx8LuUpdateESt14default_deleteIS1_EEE", !22, i64 0}
!22 = !{!"_ZTSSt10_Head_baseILm0EPN3ipx8LuUpdateELb0EE", !6, i64 0}
!23 = !{!"bool", !7, i64 0}
!24 = !{!"double", !7, i64 0}
!25 = !{!"_ZTSSt6vectorIdSaIdEE", !26, i64 0}
!26 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !27, i64 0}
!27 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !28, i64 0}
!28 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}


; 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"

@.str.12 = external hidden unnamed_addr constant [70 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [21 x i8], align 1
@__PRETTY_FUNCTION__._ZN3ipx5Basis17FreeBasicVariableEi = external hidden unnamed_addr constant [40 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [40 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK3ipx5Model4rowsEv(ptr noundef nonnull align 8 dereferenceable(704)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK3ipx5Basis8StatusOfEi(ptr noundef nonnull align 8 dereferenceable(176), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #2

; 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
define dso_local void @_ZN3ipx5Basis17FreeBasicVariableEi(ptr noundef nonnull align 8 dereferenceable(176) %0, i32 noundef %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = tail call noundef i32 @_ZNK3ipx5Model4rowsEv(ptr noundef nonnull align 8 dereferenceable(704) %4)
  %6 = tail call noundef i32 @_ZNK3ipx5Basis8StatusOfEi(ptr noundef nonnull align 8 dereferenceable(176) %0, i32 noundef %1)
  %7 = icmp eq i32 %6, 1
  br i1 %7, label %26, label %8

8:                                                ; preds = %2
  %9 = tail call noundef i32 @_ZNK3ipx5Basis8StatusOfEi(ptr noundef nonnull align 8 dereferenceable(176) %0, i32 noundef %1)
  %10 = icmp eq i32 %9, 0
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  tail call void @__assert_fail(ptr noundef nonnull @.str.14, ptr noundef nonnull @.str.12, i32 noundef 45, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN3ipx5Basis17FreeBasicVariableEi) #3
  unreachable

12:                                               ; preds = %8
  %13 = getelementptr inbounds i8, ptr %0, i64 40
  %14 = sext i32 %1 to i64
  %15 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %14) #4
  %16 = load i32, ptr %15, align 4, !tbaa !27
  %17 = icmp sgt i32 %16, -1
  br i1 %17, label %18, label %.critedge

18:                                               ; preds = %12
  %19 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %14) #4
  %20 = load i32, ptr %19, align 4, !tbaa !27
  %21 = icmp slt i32 %20, %5
  br i1 %21, label %22, label %.critedge

.critedge:                                        ; preds = %12, %18
  tail call void @__assert_fail(ptr noundef nonnull @.str.15, ptr noundef nonnull @.str.12, i32 noundef 46, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN3ipx5Basis17FreeBasicVariableEi) #3
  unreachable

22:                                               ; preds = %18
  %23 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %14) #4
  %24 = load i32, ptr %23, align 4, !tbaa !27
  %25 = add nsw i32 %24, %5
  store i32 %25, ptr %23, align 4, !tbaa !27
  br label %26

26:                                               ; preds = %2, %22
  ret void
}

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 = { 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 #2 = { noreturn nounwind "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 = { noreturn nounwind }
attributes #4 = { 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, !7, i64 8}
!6 = !{!"_ZTSN3ipx5BasisE", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 40, !14, i64 64, !20, i64 72, !21, i64 76, !21, i64 80, !21, i64 84, !21, i64 88, !21, i64 92, !21, i64 96, !22, i64 104, !22, i64 112, !22, i64 120, !22, i64 128, !23, i64 136, !22, i64 160, !22, i64 168}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt6vectorIiSaIiEE", !11, i64 0}
!11 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !12, i64 0}
!12 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!14 = !{!"_ZTSSt10unique_ptrIN3ipx8LuUpdateESt14default_deleteIS1_EE", !15, i64 0}
!15 = !{!"_ZTSSt15__uniq_ptr_dataIN3ipx8LuUpdateESt14default_deleteIS1_ELb1ELb1EE", !16, i64 0}
!16 = !{!"_ZTSSt15__uniq_ptr_implIN3ipx8LuUpdateESt14default_deleteIS1_EE", !17, i64 0}
!17 = !{!"_ZTSSt5tupleIJPN3ipx8LuUpdateESt14default_deleteIS1_EEE", !18, i64 0}
!18 = !{!"_ZTSSt11_Tuple_implILm0EJPN3ipx8LuUpdateESt14default_deleteIS1_EEE", !19, i64 0}
!19 = !{!"_ZTSSt10_Head_baseILm0EPN3ipx8LuUpdateELb0EE", !7, i64 0}
!20 = !{!"bool", !8, i64 0}
!21 = !{!"int", !8, i64 0}
!22 = !{!"double", !8, i64 0}
!23 = !{!"_ZTSSt6vectorIdSaIdEE", !24, i64 0}
!24 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !25, i64 0}
!25 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !26, i64 0}
!26 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!27 = !{!21, !21, i64 0}


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