; LLVM IR from yangfengzzz/Arche-webgpu :: vox.render/shader (shader_variant)

; 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"

%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }
%"struct.std::pair.15" = type { %"class.std::__cxx11::basic_string", i64 }
%"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.std::pair.12" = type <{ %"struct.std::__detail::_Node_iterator", i8, [7 x i8] }>
%"class.vox::ShaderVariant" = type { i64, %"class.std::set", %"class.std::vector", %"class.std::unordered_map" }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>, std::_Identity<std::__cxx11::basic_string<char>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>, std::_Identity<std::__cxx11::basic_string<char>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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::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 }

; 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 void @_ZN3vox13ShaderVariant19AddRuntimeArraySizeERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEm(ptr noundef nonnull align 8 dereferenceable(136) %0, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %2) #1 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %8 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %9 = alloca %"struct.std::pair.15", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::pair.12", align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  %13 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %14 = getelementptr inbounds %"class.vox::ShaderVariant", ptr %13, i32 0, i32 3
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = call ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEE4findERSB_(ptr noundef nonnull align 8 dereferenceable(56) %14, ptr noundef nonnull align 8 dereferenceable(32) %15)
  %17 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %7, i32 0, i32 0
  %18 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %17, i32 0, i32 0
  store ptr %16, ptr %18, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %19 = getelementptr inbounds %"class.vox::ShaderVariant", ptr %13, i32 0, i32 3
  %20 = call ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %19) #4
  %21 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %8, i32 0, i32 0
  %22 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %21, i32 0, i32 0
  store ptr %20, ptr %22, align 8
  %23 = call noundef zeroext i1 @_ZNSt8__detaileqERKNS_19_Node_iterator_baseISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmELb1EEESC_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  br i1 %23, label %24, label %37

24:                                               ; preds = %3
  %25 = getelementptr inbounds %"class.vox::ShaderVariant", ptr %13, i32 0, i32 3
  call void @llvm.lifetime.start.p0(i64 40, ptr %9) #4
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  call void @_ZNSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmEC2IRS6_RmTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairISC_SD_EEEbE4typeELb1EEEOSC_OSD_(ptr noundef nonnull align 8 dereferenceable(40) %9, ptr noundef nonnull align 8 dereferenceable(32) %26, ptr noundef nonnull align 8 dereferenceable(8) %6)
  %27 = invoke { ptr, i8 } @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEE6insertEOSC_(ptr noundef nonnull align 8 dereferenceable(56) %25, ptr noundef nonnull align 8 dereferenceable(40) %9)
          to label %28 unwind label %33

28:                                               ; preds = %24
  %29 = getelementptr inbounds { ptr, i8 }, ptr %12, i32 0, i32 0
  %30 = extractvalue { ptr, i8 } %27, 0
  store ptr %30, ptr %29, align 8
  %31 = getelementptr inbounds { ptr, i8 }, ptr %12, i32 0, i32 1
  %32 = extractvalue { ptr, i8 } %27, 1
  store i8 %32, ptr %31, align 8
  call void @_ZNSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %9) #4
  call void @llvm.lifetime.end.p0(i64 40, ptr %9) #4
  br label %42

33:                                               ; preds = %24
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %10, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %11, align 4
  call void @_ZNSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %9) #4
  call void @llvm.lifetime.end.p0(i64 40, ptr %9) #4
  br label %43

37:                                               ; preds = %3
  %38 = load i64, ptr %6, align 8, !tbaa !9
  %39 = getelementptr inbounds %"class.vox::ShaderVariant", ptr %13, i32 0, i32 3
  %40 = load ptr, ptr %5, align 8, !tbaa !5
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56) %39, ptr noundef nonnull align 8 dereferenceable(32) %40)
  store i64 %38, ptr %41, align 8, !tbaa !9
  br label %42

42:                                               ; preds = %37, %28
  ret void

43:                                               ; preds = %33
  %44 = load ptr, ptr %10, align 8
  %45 = load i32, ptr %11, align 4
  %46 = insertvalue { ptr, i32 } poison, ptr %44, 0
  %47 = insertvalue { ptr, i32 } %46, i32 %45, 1
  resume { ptr, i32 } %47
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detaileqERKNS_19_Node_iterator_baseISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmELb1EEESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEE4findERSB_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEE6insertEOSC_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(40)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmEC2IRS6_RmTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairISC_SD_EEEbE4typeELb1EEEOSC_OSD_(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) #1 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 = { 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 #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 = !{!"long", !7, i64 0}


; 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"

%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }
%"struct.std::pair.15" = type { %"class.std::__cxx11::basic_string", i64 }
%"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] }

; 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 void @_ZN3vox13ShaderVariant19AddRuntimeArraySizeERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEm(ptr noundef nonnull align 8 dereferenceable(136) %0, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %2) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca i64, align 8
  %5 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %6 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %7 = alloca %"struct.std::pair.15", align 8
  store i64 %2, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %8 = getelementptr inbounds i8, ptr %0, i64 80
  %9 = tail call ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEE4findERSB_(ptr noundef nonnull align 8 dereferenceable(56) %8, ptr noundef nonnull align 8 dereferenceable(32) %1)
  store ptr %9, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %10 = tail call ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %8) #4
  store ptr %10, ptr %6, align 8
  %11 = call noundef zeroext i1 @_ZNSt8__detaileqERKNS_19_Node_iterator_baseISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmELb1EEESC_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  br i1 %11, label %12, label %17

12:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %7) #4
  call void @_ZNSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmEC2IRS6_RmTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairISC_SD_EEEbE4typeELb1EEEOSC_OSD_(ptr noundef nonnull align 8 dereferenceable(40) %7, ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(8) %4)
  %13 = invoke { ptr, i8 } @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEE6insertEOSC_(ptr noundef nonnull align 8 dereferenceable(56) %8, ptr noundef nonnull align 8 dereferenceable(40) %7)
          to label %14 unwind label %15

14:                                               ; preds = %12
  call void @_ZNSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %7) #4
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %7) #4
  br label %19

15:                                               ; preds = %12
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %7) #4
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %7) #4
  resume { ptr, i32 } %16

17:                                               ; preds = %3
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56) %8, ptr noundef nonnull align 8 dereferenceable(32) %1)
  store i64 %2, ptr %18, align 8, !tbaa !5
  br label %19

19:                                               ; preds = %17, %14
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detaileqERKNS_19_Node_iterator_baseISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmELb1EEESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEE4findERSB_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEE6insertEOSC_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmEC2IRS6_RmTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairISC_SD_EEEbE4typeELb1EEEOSC_OSD_(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_mEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 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 = { 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 #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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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