; LLVM IR from ERGO-Code/HiGHS :: src/mip/HighsCutGeneration.ll (ZN18HighsCutGeneration21removeComplementationEv)

; 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.HighsCutGeneration = type { ptr, ptr, %class.HighsRandom, %"class.std::vector", %class.HighsCDouble, %class.HighsCDouble, %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.8", %"class.std::vector.8", double, double, ptr, ptr, %class.HighsCDouble, i8, i8, i32, double, %"class.std::vector", %"class.std::vector.3" }
%class.HighsRandom = type { i64 }
%"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.HighsCDouble = type { 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::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 }

; 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 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN18HighsCutGeneration19flipComplementationEi(ptr noundef nonnull align 8 dereferenceable(288), i32 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIhSaIhEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN18HighsCutGeneration21removeComplementationEv(ptr noundef nonnull align 8 dereferenceable(288) %0) #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  %5 = getelementptr inbounds %class.HighsCutGeneration, ptr %4, i32 0, i32 8
  %6 = call noundef zeroext i1 @_ZNKSt6vectorIhSaIhEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  br i1 %6, label %7, label %8

7:                                                ; preds = %1
  br label %28

8:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %9

9:                                                ; preds = %25, %8
  %10 = load i32, ptr %3, align 4, !tbaa !9
  %11 = getelementptr inbounds %class.HighsCutGeneration, ptr %4, i32 0, i32 17
  %12 = load i32, ptr %11, align 4, !tbaa !11
  %13 = icmp ne i32 %10, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %28

15:                                               ; preds = %9
  %16 = getelementptr inbounds %class.HighsCutGeneration, ptr %4, i32 0, i32 8
  %17 = load i32, ptr %3, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef %18) #3
  %20 = load i8, ptr %19, align 1, !tbaa !30
  %21 = icmp ne i8 %20, 0
  br i1 %21, label %22, label %24

22:                                               ; preds = %15
  %23 = load i32, ptr %3, align 4, !tbaa !9
  call void @_ZN18HighsCutGeneration19flipComplementationEi(ptr noundef nonnull align 8 dereferenceable(288) %4, i32 noundef %23)
  br label %24

24:                                               ; preds = %22, %15
  br label %25

25:                                               ; preds = %24
  %26 = load i32, ptr %3, align 4, !tbaa !9
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %3, align 4, !tbaa !9
  br label %9, !llvm.loop !31

28:                                               ; preds = %14, %7
  ret void
}

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 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 228}
!12 = !{!"_ZTS18HighsCutGeneration", !6, i64 0, !6, i64 8, !13, i64 16, !15, i64 24, !19, i64 48, !19, i64 64, !21, i64 80, !21, i64 104, !25, i64 128, !25, i64 152, !20, i64 176, !20, i64 184, !6, i64 192, !6, i64 200, !19, i64 208, !29, i64 224, !29, i64 225, !10, i64 228, !20, i64 232, !15, i64 240, !21, i64 264}
!13 = !{!"_ZTS11HighsRandom", !14, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = !{!"_ZTSSt6vectorIiSaIiEE", !16, i64 0}
!16 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !17, i64 0}
!17 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!19 = !{!"_ZTS12HighsCDouble", !20, i64 0, !20, i64 8}
!20 = !{!"double", !7, i64 0}
!21 = !{!"_ZTSSt6vectorIdSaIdEE", !22, i64 0}
!22 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !23, i64 0}
!23 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !24, i64 0}
!24 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!25 = !{!"_ZTSSt6vectorIhSaIhEE", !26, i64 0}
!26 = !{!"_ZTSSt12_Vector_baseIhSaIhEE", !27, i64 0}
!27 = !{!"_ZTSNSt12_Vector_baseIhSaIhEE12_Vector_implE", !28, i64 0}
!28 = !{!"_ZTSNSt12_Vector_baseIhSaIhEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!29 = !{!"bool", !7, i64 0}
!30 = !{!7, !7, i64 0}
!31 = distinct !{!31, !32}
!32 = !{!"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 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN18HighsCutGeneration19flipComplementationEi(ptr noundef nonnull align 8 dereferenceable(288), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIhSaIhEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN18HighsCutGeneration21removeComplementationEv(ptr noundef nonnull align 8 dereferenceable(288) %0) local_unnamed_addr #1 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 128
  %3 = tail call noundef zeroext i1 @_ZNKSt6vectorIhSaIhEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #2
  br i1 %3, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %1
  %4 = getelementptr inbounds i8, ptr %0, i64 228
  %5 = load i32, ptr %4, align 4, !tbaa !5
  %.not5 = icmp eq i32 %5, 0
  br i1 %.not5, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %10
  %indvars.iv = phi i64 [ %indvars.iv.next, %10 ], [ 0, %.preheader ]
  %6 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #2
  %7 = load i8, ptr %6, align 1, !tbaa !28
  %.not4 = icmp eq i8 %7, 0
  br i1 %.not4, label %10, label %8

8:                                                ; preds = %.lr.ph
  %9 = trunc nuw nsw i64 %indvars.iv to i32
  tail call void @_ZN18HighsCutGeneration19flipComplementationEi(ptr noundef nonnull align 8 dereferenceable(288) %0, i32 noundef %9)
  br label %10

10:                                               ; preds = %.lr.ph, %8
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %11 = load i32, ptr %4, align 4, !tbaa !5
  %12 = zext i32 %11 to i64
  %.not = icmp eq i64 %indvars.iv.next, %12
  br i1 %.not, label %.loopexit, label %.lr.ph, !llvm.loop !29

.loopexit:                                        ; preds = %10, %.preheader, %1
  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 = { 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, !27, i64 228}
!6 = !{!"_ZTS18HighsCutGeneration", !7, i64 0, !7, i64 8, !10, i64 16, !12, i64 24, !16, i64 48, !16, i64 64, !18, i64 80, !18, i64 104, !22, i64 128, !22, i64 152, !17, i64 176, !17, i64 184, !7, i64 192, !7, i64 200, !16, i64 208, !26, i64 224, !26, i64 225, !27, i64 228, !17, i64 232, !12, i64 240, !18, i64 264}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTS11HighsRandom", !11, i64 0}
!11 = !{!"long", !8, i64 0}
!12 = !{!"_ZTSSt6vectorIiSaIiEE", !13, i64 0}
!13 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!16 = !{!"_ZTS12HighsCDouble", !17, i64 0, !17, i64 8}
!17 = !{!"double", !8, i64 0}
!18 = !{!"_ZTSSt6vectorIdSaIdEE", !19, i64 0}
!19 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !20, i64 0}
!20 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !21, i64 0}
!21 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!22 = !{!"_ZTSSt6vectorIhSaIhEE", !23, i64 0}
!23 = !{!"_ZTSSt12_Vector_baseIhSaIhEE", !24, i64 0}
!24 = !{!"_ZTSNSt12_Vector_baseIhSaIhEE12_Vector_implE", !25, i64 0}
!25 = !{!"_ZTSNSt12_Vector_baseIhSaIhEE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!26 = !{!"bool", !8, i64 0}
!27 = !{!"int", !8, i64 0}
!28 = !{!8, !8, i64 0}
!29 = distinct !{!29, !30}
!30 = !{!"llvm.loop.mustprogress"}


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