; LLVM IR from ERGO-Code/HiGHS :: src/lp_data/HighsLp.ll (ZN7HighsLp10clearScaleEv)

; 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.HighsLp = type { i32, i32, %"class.std::vector", %"class.std::vector", %"class.std::vector", %"class.std::vector", %"class.std::vector", %class.HighsSparseMatrix, i32, double, %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string", i32, i32, %"class.std::vector.8", %"class.std::vector.8", %"class.std::vector.13", %struct.HighsNameHash, %struct.HighsNameHash, i32, i32, %struct.HighsScale, i8, i8, i32, i8, %struct.HighsLpMods }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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.HighsSparseMatrix = type { i32, i32, i32, %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector" }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = 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::__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] }
%"class.std::vector.8" = type { %"struct.std::_Vector_base.9" }
%"struct.std::_Vector_base.9" = 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.13" = type { %"struct.std::_Vector_base.14" }
%"struct.std::_Vector_base.14" = 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", %"class.std::vector" }
%struct.HighsLpMods = type { %"class.std::vector.3", %"class.std::vector.3", %"class.std::vector", %"class.std::vector", %"class.std::vector.13", %"class.std::vector.3", %"class.std::vector", %"class.std::vector.3", %"class.std::vector", %"class.std::vector.3", %"class.std::vector", %"class.std::vector", %"class.std::vector" }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN7HighsLp10clearScaleEv(ptr noundef nonnull align 8 dereferenceable(920) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %class.HighsLp, ptr %3, i32 0, i32 21
  %5 = getelementptr inbounds %struct.HighsScale, ptr %4, i32 0, i32 0
  store i32 0, ptr %5, align 8, !tbaa !9
  %6 = getelementptr inbounds %class.HighsLp, ptr %3, i32 0, i32 21
  %7 = getelementptr inbounds %struct.HighsScale, ptr %6, i32 0, i32 1
  store i8 0, ptr %7, align 4, !tbaa !44
  %8 = getelementptr inbounds %class.HighsLp, ptr %3, i32 0, i32 21
  %9 = getelementptr inbounds %struct.HighsScale, ptr %8, i32 0, i32 2
  store i32 0, ptr %9, align 8, !tbaa !45
  %10 = getelementptr inbounds %class.HighsLp, ptr %3, i32 0, i32 21
  %11 = getelementptr inbounds %struct.HighsScale, ptr %10, i32 0, i32 3
  store i32 0, ptr %11, align 4, !tbaa !46
  %12 = getelementptr inbounds %class.HighsLp, ptr %3, i32 0, i32 21
  %13 = getelementptr inbounds %struct.HighsScale, ptr %12, i32 0, i32 4
  store double 0.000000e+00, ptr %13, align 8, !tbaa !47
  %14 = getelementptr inbounds %class.HighsLp, ptr %3, i32 0, i32 21
  %15 = getelementptr inbounds %struct.HighsScale, ptr %14, i32 0, i32 5
  call void @_ZNSt6vectorIdSaIdEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #1
  %16 = getelementptr inbounds %class.HighsLp, ptr %3, i32 0, i32 21
  %17 = getelementptr inbounds %struct.HighsScale, ptr %16, i32 0, i32 6
  call void @_ZNSt6vectorIdSaIdEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #1
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 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 = { 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, !11, i64 520}
!10 = !{!"_ZTS7HighsLp", !11, i64 0, !11, i64 4, !12, i64 8, !12, i64 32, !12, i64 56, !12, i64 80, !12, i64 104, !16, i64 128, !22, i64 240, !23, i64 248, !24, i64 256, !24, i64 288, !11, i64 320, !11, i64 324, !27, i64 328, !27, i64 352, !31, i64 376, !35, i64 400, !35, i64 456, !11, i64 512, !11, i64 516, !41, i64 520, !42, i64 592, !42, i64 593, !11, i64 596, !42, i64 600, !43, i64 608}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTSSt6vectorIdSaIdEE", !13, i64 0}
!13 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!16 = !{!"_ZTS17HighsSparseMatrix", !17, i64 0, !11, i64 4, !11, i64 8, !18, i64 16, !18, i64 40, !18, i64 64, !12, i64 88}
!17 = !{!"_ZTS12MatrixFormat", !7, i64 0}
!18 = !{!"_ZTSSt6vectorIiSaIiEE", !19, i64 0}
!19 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !20, i64 0}
!20 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !21, i64 0}
!21 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!22 = !{!"_ZTS8ObjSense", !7, i64 0}
!23 = !{!"double", !7, i64 0}
!24 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !25, i64 0, !26, i64 8, !7, i64 16}
!25 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!26 = !{!"long", !7, i64 0}
!27 = !{!"_ZTSSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE", !28, i64 0}
!28 = !{!"_ZTSSt12_Vector_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE", !29, i64 0}
!29 = !{!"_ZTSNSt12_Vector_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE12_Vector_implE", !30, i64 0}
!30 = !{!"_ZTSNSt12_Vector_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!31 = !{!"_ZTSSt6vectorI12HighsVarTypeSaIS0_EE", !32, i64 0}
!32 = !{!"_ZTSSt12_Vector_baseI12HighsVarTypeSaIS0_EE", !33, i64 0}
!33 = !{!"_ZTSNSt12_Vector_baseI12HighsVarTypeSaIS0_EE12_Vector_implE", !34, i64 0}
!34 = !{!"_ZTSNSt12_Vector_baseI12HighsVarTypeSaIS0_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!35 = !{!"_ZTS13HighsNameHash", !36, i64 0}
!36 = !{!"_ZTSSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEE", !37, i64 0}
!37 = !{!"_ZTSSt10_HashtableINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_iESaIS8_ENSt8__detail10_Select1stESt8equal_toIS5_ESt4hashIS5_ENSA_18_Mod_range_hashingENSA_20_Default_ranged_hashENSA_20_Prime_rehash_policyENSA_17_Hashtable_traitsILb1ELb0ELb1EEEE", !6, i64 0, !26, i64 8, !38, i64 16, !26, i64 24, !39, i64 32, !6, i64 48}
!38 = !{!"_ZTSNSt8__detail15_Hash_node_baseE", !6, i64 0}
!39 = !{!"_ZTSNSt8__detail20_Prime_rehash_policyE", !40, i64 0, !26, i64 8}
!40 = !{!"float", !7, i64 0}
!41 = !{!"_ZTS10HighsScale", !11, i64 0, !42, i64 4, !11, i64 8, !11, i64 12, !23, i64 16, !12, i64 24, !12, i64 48}
!42 = !{!"bool", !7, i64 0}
!43 = !{!"_ZTS11HighsLpMods", !18, i64 0, !18, i64 24, !12, i64 48, !12, i64 72, !31, i64 96, !18, i64 120, !12, i64 144, !18, i64 168, !12, i64 192, !18, i64 216, !12, i64 240, !12, i64 264, !12, i64 288}
!44 = !{!10, !42, i64 524}
!45 = !{!10, !11, i64 528}
!46 = !{!10, !11, i64 532}
!47 = !{!10, !23, i64 536}


; 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
define dso_local void @_ZN7HighsLp10clearScaleEv(ptr noundef nonnull align 8 dereferenceable(920) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 520
  store i32 0, ptr %2, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 524
  store i8 0, ptr %3, align 4, !tbaa !43
  %4 = getelementptr inbounds i8, ptr %0, i64 528
  %5 = getelementptr inbounds i8, ptr %0, i64 544
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %4, i8 0, i64 16, i1 false)
  tail call void @_ZNSt6vectorIdSaIdEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #2
  %6 = getelementptr inbounds i8, ptr %0, i64 568
  tail call void @_ZNSt6vectorIdSaIdEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #2
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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, !7, i64 520}
!6 = !{!"_ZTS7HighsLp", !7, i64 0, !7, i64 4, !10, i64 8, !10, i64 32, !10, i64 56, !10, i64 80, !10, i64 104, !15, i64 128, !21, i64 240, !22, i64 248, !23, i64 256, !23, i64 288, !7, i64 320, !7, i64 324, !26, i64 328, !26, i64 352, !30, i64 376, !34, i64 400, !34, i64 456, !7, i64 512, !7, i64 516, !40, i64 520, !41, i64 592, !41, i64 593, !7, i64 596, !41, i64 600, !42, i64 608}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt6vectorIdSaIdEE", !11, i64 0}
!11 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !12, i64 0}
!12 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !14, i64 0, !14, i64 8, !14, i64 16}
!14 = !{!"any pointer", !8, i64 0}
!15 = !{!"_ZTS17HighsSparseMatrix", !16, i64 0, !7, i64 4, !7, i64 8, !17, i64 16, !17, i64 40, !17, i64 64, !10, i64 88}
!16 = !{!"_ZTS12MatrixFormat", !8, i64 0}
!17 = !{!"_ZTSSt6vectorIiSaIiEE", !18, i64 0}
!18 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !20, i64 0}
!20 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !14, i64 0, !14, i64 8, !14, i64 16}
!21 = !{!"_ZTS8ObjSense", !8, i64 0}
!22 = !{!"double", !8, i64 0}
!23 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !24, i64 0, !25, i64 8, !8, i64 16}
!24 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !14, i64 0}
!25 = !{!"long", !8, i64 0}
!26 = !{!"_ZTSSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE", !27, i64 0}
!27 = !{!"_ZTSSt12_Vector_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE", !28, i64 0}
!28 = !{!"_ZTSNSt12_Vector_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE12_Vector_implE", !29, i64 0}
!29 = !{!"_ZTSNSt12_Vector_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE17_Vector_impl_dataE", !14, i64 0, !14, i64 8, !14, i64 16}
!30 = !{!"_ZTSSt6vectorI12HighsVarTypeSaIS0_EE", !31, i64 0}
!31 = !{!"_ZTSSt12_Vector_baseI12HighsVarTypeSaIS0_EE", !32, i64 0}
!32 = !{!"_ZTSNSt12_Vector_baseI12HighsVarTypeSaIS0_EE12_Vector_implE", !33, i64 0}
!33 = !{!"_ZTSNSt12_Vector_baseI12HighsVarTypeSaIS0_EE17_Vector_impl_dataE", !14, i64 0, !14, i64 8, !14, i64 16}
!34 = !{!"_ZTS13HighsNameHash", !35, i64 0}
!35 = !{!"_ZTSSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEE", !36, i64 0}
!36 = !{!"_ZTSSt10_HashtableINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_iESaIS8_ENSt8__detail10_Select1stESt8equal_toIS5_ESt4hashIS5_ENSA_18_Mod_range_hashingENSA_20_Default_ranged_hashENSA_20_Prime_rehash_policyENSA_17_Hashtable_traitsILb1ELb0ELb1EEEE", !14, i64 0, !25, i64 8, !37, i64 16, !25, i64 24, !38, i64 32, !14, i64 48}
!37 = !{!"_ZTSNSt8__detail15_Hash_node_baseE", !14, i64 0}
!38 = !{!"_ZTSNSt8__detail20_Prime_rehash_policyE", !39, i64 0, !25, i64 8}
!39 = !{!"float", !8, i64 0}
!40 = !{!"_ZTS10HighsScale", !7, i64 0, !41, i64 4, !7, i64 8, !7, i64 12, !22, i64 16, !10, i64 24, !10, i64 48}
!41 = !{!"bool", !8, i64 0}
!42 = !{!"_ZTS11HighsLpMods", !17, i64 0, !17, i64 24, !10, i64 48, !10, i64 72, !30, i64 96, !17, i64 120, !10, i64 144, !17, i64 168, !10, i64 192, !17, i64 216, !10, i64 240, !10, i64 264, !10, i64 288}
!43 = !{!6, !41, i64 524}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,MemCpyOptPass,SROAPass,TailCallElimPass