; LLVM IR from ERGO-Code/HiGHS :: src/interfaces (highs_c_api)

; 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.std::vector.23" = type { %"struct.std::_Vector_base.24" }
%"struct.std::_Vector_base.24" = 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 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local i32 @Highs_changeColsIntegralityByRange(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3) #1 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca %"class.std::vector.23", align 8
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #4
  call void @_ZNSt6vectorI12HighsVarTypeSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  %14 = load i32, ptr %7, align 4, !tbaa !9
  %15 = load i32, ptr %6, align 4, !tbaa !9
  %16 = sub nsw i32 %14, %15
  %17 = add nsw i32 %16, 1
  store i32 %17, ptr %10, align 4, !tbaa !9
  %18 = load i32, ptr %10, align 4, !tbaa !9
  %19 = icmp sgt i32 %18, 0
  br i1 %19, label %20, label %47

20:                                               ; preds = %4
  %21 = load i32, ptr %10, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  invoke void @_ZNSt6vectorI12HighsVarTypeSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %22)
          to label %23 unwind label %29

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  store i32 0, ptr %13, align 4, !tbaa !9
  br label %24

24:                                               ; preds = %43, %23
  %25 = load i32, ptr %13, align 4, !tbaa !9
  %26 = load i32, ptr %10, align 4, !tbaa !9
  %27 = icmp slt i32 %25, %26
  br i1 %27, label %33, label %28

28:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  br label %46

29:                                               ; preds = %47, %20
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %11, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @_ZNSt6vectorI12HighsVarTypeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #4
  br label %54

33:                                               ; preds = %24
  %34 = load ptr, ptr %8, align 8, !tbaa !5
  %35 = load i32, ptr %13, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds i32, ptr %34, i64 %36
  %38 = load i32, ptr %37, align 4, !tbaa !9
  %39 = trunc i32 %38 to i8
  %40 = load i32, ptr %13, align 4, !tbaa !9
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorI12HighsVarTypeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %41) #4
  store i8 %39, ptr %42, align 1, !tbaa !11
  br label %43

43:                                               ; preds = %33
  %44 = load i32, ptr %13, align 4, !tbaa !9
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %13, align 4, !tbaa !9
  br label %24, !llvm.loop !13

46:                                               ; preds = %28
  br label %47

47:                                               ; preds = %46, %4
  %48 = load ptr, ptr %5, align 8, !tbaa !5
  %49 = load i32, ptr %6, align 4, !tbaa !9
  %50 = load i32, ptr %7, align 4, !tbaa !9
  %51 = call noundef ptr @_ZNSt6vectorI12HighsVarTypeSaIS0_EE4dataEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  %52 = invoke noundef i32 @_ZN5Highs21changeColsIntegralityEiiPK12HighsVarType(ptr noundef nonnull align 8 dereferenceable(20928) %48, i32 noundef %49, i32 noundef %50, ptr noundef %51)
          to label %53 unwind label %29

53:                                               ; preds = %47
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @_ZNSt6vectorI12HighsVarTypeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #4
  ret i32 %52

54:                                               ; preds = %29
  %55 = load ptr, ptr %11, align 8
  %56 = load i32, ptr %12, align 4
  %57 = insertvalue { ptr, i32 } poison, ptr %55, 0
  %58 = insertvalue { ptr, i32 } %57, i32 %56, 1
  resume { ptr, i32 } %58
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI12HighsVarTypeSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI12HighsVarTypeSaIS0_EE6resizeEm(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 @_ZNSt6vectorI12HighsVarTypeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

declare noundef i32 @_ZN5Highs21changeColsIntegralityEiiPK12HighsVarType(ptr noundef nonnull align 8 dereferenceable(20928), i32 noundef, i32 noundef, ptr noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNSt6vectorI12HighsVarTypeSaIS0_EE4dataEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI12HighsVarTypeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { "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 = { 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, !12, i64 0}
!12 = !{!"_ZTS12HighsVarType", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

%"class.std::vector.23" = type { %"struct.std::_Vector_base.24" }
%"struct.std::_Vector_base.24" = 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 }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @Highs_changeColsIntegralityByRange(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr nocapture noundef readonly %3) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %5 = alloca %"class.std::vector.23", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #4
  call void @_ZNSt6vectorI12HighsVarTypeSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  %6 = sub nsw i32 %2, %1
  %7 = icmp sgt i32 %6, -1
  br i1 %7, label %8, label %.loopexit

8:                                                ; preds = %4
  %9 = add nuw nsw i32 %6, 1
  %10 = zext nneg i32 %9 to i64
  invoke void @_ZNSt6vectorI12HighsVarTypeSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %10)
          to label %.lr.ph.preheader unwind label %13

.lr.ph.preheader:                                 ; preds = %8
  %11 = add i32 %2, 1
  %12 = sub i32 %11, %1
  %wide.trip.count = zext i32 %12 to i64
  br label %.lr.ph

13:                                               ; preds = %.loopexit, %8
  %14 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorI12HighsVarTypeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #4
  resume { ptr, i32 } %14

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %15 = getelementptr inbounds i32, ptr %3, i64 %indvars.iv
  %16 = load i32, ptr %15, align 4, !tbaa !5
  %17 = trunc i32 %16 to i8
  %18 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorI12HighsVarTypeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv) #4
  store i8 %17, ptr %18, align 1, !tbaa !9
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.loopexit, label %.lr.ph, !llvm.loop !11

.loopexit:                                        ; preds = %.lr.ph, %4
  %19 = call noundef ptr @_ZNSt6vectorI12HighsVarTypeSaIS0_EE4dataEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  %20 = invoke noundef i32 @_ZN5Highs21changeColsIntegralityEiiPK12HighsVarType(ptr noundef nonnull align 8 dereferenceable(20928) %0, i32 noundef %1, i32 noundef %2, ptr noundef %19)
          to label %21 unwind label %13

21:                                               ; preds = %.loopexit
  call void @_ZNSt6vectorI12HighsVarTypeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #4
  ret i32 %20
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI12HighsVarTypeSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI12HighsVarTypeSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorI12HighsVarTypeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

declare noundef i32 @_ZN5Highs21changeColsIntegralityEiiPK12HighsVarType(ptr noundef nonnull align 8 dereferenceable(20928), i32 noundef, i32 noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNSt6vectorI12HighsVarTypeSaIS0_EE4dataEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI12HighsVarTypeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { "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 = { 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 = !{!10, !10, i64 0}
!10 = !{!"_ZTS12HighsVarType", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SCCPPass,SROAPass,SimplifyCFGPass