; LLVM IR from weicao/cascadb :: src/cache/cache.ll (ZN7cascadb5CacheD2Ev)

; 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.cascadb::Cache" = type { %"class.cascadb::Options", %"class.cascadb::RWLock", %"class.std::map", %"class.cascadb::Mutex", i64, %"class.cascadb::RWLock", %"class.std::map.0", %"class.cascadb::Mutex", i8, ptr }
%"class.cascadb::Options" = type <{ ptr, ptr, i64, i64, i64, i64, i64, i64, i64, i32, i32, i32, i32, i32, i32, i32, i8, [3 x i8] }>
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, cascadb::Cache::TableSettings>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, cascadb::Cache::TableSettings>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, cascadb::Cache::TableSettings>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, cascadb::Cache::TableSettings>>, 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.cascadb::RWLock" = type { %union.pthread_rwlock_t }
%union.pthread_rwlock_t = type { %struct.__pthread_rwlock_arch_t }
%struct.__pthread_rwlock_arch_t = type { i32, i32, i32, i32, i32, i32, i32, i32, i8, [7 x i8], i64, i32 }
%"class.std::map.0" = type { %"class.std::_Rb_tree.1" }
%"class.std::_Rb_tree.1" = type { %"struct.std::_Rb_tree<cascadb::Cache::CacheKey, std::pair<const cascadb::Cache::CacheKey, cascadb::Node *>, std::_Select1st<std::pair<const cascadb::Cache::CacheKey, cascadb::Node *>>, std::less<cascadb::Cache::CacheKey>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<cascadb::Cache::CacheKey, std::pair<const cascadb::Cache::CacheKey, cascadb::Node *>, std::_Select1st<std::pair<const cascadb::Cache::CacheKey, cascadb::Node *>>, std::less<cascadb::Cache::CacheKey>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"class.cascadb::Mutex" = type { i8, %union.pthread_mutex_t }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIN7cascadb5Cache8CacheKeyEPNS0_4NodeESt4lessIS2_ESaISt4pairIKS2_S4_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; Function Attrs: nounwind
declare void @_ZN7cascadb6RWLockD1Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #1

; Function Attrs: nounwind
declare void @_ZN7cascadb5MutexD1Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN7cascadb5Cache13TableSettingsESt4lessIS5_ESaISt4pairIKS5_S8_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN7cascadb5CacheD2Ev(ptr noundef nonnull align 8 dereferenceable(432) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %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.cascadb::Cache", ptr %3, i32 0, i32 8
  store i8 0, ptr %4, align 8, !tbaa !9
  %5 = getelementptr inbounds %"class.cascadb::Cache", ptr %3, i32 0, i32 9
  %6 = load ptr, ptr %5, align 8, !tbaa !31
  %7 = icmp ne ptr %6, null
  br i1 %7, label %8, label %17

8:                                                ; preds = %1
  %9 = getelementptr inbounds %"class.cascadb::Cache", ptr %3, i32 0, i32 9
  %10 = load ptr, ptr %9, align 8, !tbaa !31
  invoke void @_ZN7cascadb6Thread4joinEv(ptr noundef nonnull align 8 dereferenceable(17) %10)
          to label %11 unwind label %24

11:                                               ; preds = %8
  %12 = getelementptr inbounds %"class.cascadb::Cache", ptr %3, i32 0, i32 9
  %13 = load ptr, ptr %12, align 8, !tbaa !31
  %14 = icmp eq ptr %13, null
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @_ZN7cascadb6ThreadD1Ev(ptr noundef nonnull align 8 dereferenceable(17) %13) #5
  call void @_ZdlPvm(ptr noundef %13, i64 noundef 24) #6
  br label %16

16:                                               ; preds = %15, %11
  br label %17

17:                                               ; preds = %16, %1
  %18 = getelementptr inbounds %"class.cascadb::Cache", ptr %3, i32 0, i32 7
  call void @_ZN7cascadb5MutexD1Ev(ptr noundef nonnull align 8 dereferenceable(48) %18) #5
  %19 = getelementptr inbounds %"class.cascadb::Cache", ptr %3, i32 0, i32 6
  call void @_ZNSt3mapIN7cascadb5Cache8CacheKeyEPNS0_4NodeESt4lessIS2_ESaISt4pairIKS2_S4_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %19) #5
  %20 = getelementptr inbounds %"class.cascadb::Cache", ptr %3, i32 0, i32 5
  call void @_ZN7cascadb6RWLockD1Ev(ptr noundef nonnull align 8 dereferenceable(56) %20) #5
  %21 = getelementptr inbounds %"class.cascadb::Cache", ptr %3, i32 0, i32 3
  call void @_ZN7cascadb5MutexD1Ev(ptr noundef nonnull align 8 dereferenceable(48) %21) #5
  %22 = getelementptr inbounds %"class.cascadb::Cache", ptr %3, i32 0, i32 2
  call void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN7cascadb5Cache13TableSettingsESt4lessIS5_ESaISt4pairIKS5_S8_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %22) #5
  %23 = getelementptr inbounds %"class.cascadb::Cache", ptr %3, i32 0, i32 1
  call void @_ZN7cascadb6RWLockD1Ev(ptr noundef nonnull align 8 dereferenceable(56) %23) #5
  ret void

24:                                               ; preds = %8
  %25 = landingpad { ptr, i32 }
          catch ptr null
  %26 = extractvalue { ptr, i32 } %25, 0
  call void @__clang_call_terminate(ptr %26) #7
  unreachable
}

declare void @_ZN7cascadb6Thread4joinEv(ptr noundef nonnull align 8 dereferenceable(17)) #2

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #3

; Function Attrs: nounwind
declare void @_ZN7cascadb6ThreadD1Ev(ptr noundef nonnull align 8 dereferenceable(17)) unnamed_addr #1

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #4

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 "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 = { "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 = { noinline noreturn nounwind uwtable "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 = { nobuiltin 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 #5 = { nounwind }
attributes #6 = { builtin nounwind }
attributes #7 = { 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, !15, i64 416}
!10 = !{!"_ZTSN7cascadb5CacheE", !11, i64 0, !16, i64 104, !17, i64 160, !25, i64 208, !12, i64 256, !16, i64 264, !26, i64 320, !25, i64 368, !15, i64 416, !6, i64 424}
!11 = !{!"_ZTSN7cascadb7OptionsE", !6, i64 0, !6, i64 8, !12, i64 16, !12, i64 24, !12, i64 32, !12, i64 40, !12, i64 48, !12, i64 56, !12, i64 64, !13, i64 72, !13, i64 76, !13, i64 80, !13, i64 84, !13, i64 88, !13, i64 92, !14, i64 96, !15, i64 100}
!12 = !{!"long", !7, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!"_ZTSN7cascadb8CompressE", !7, i64 0}
!15 = !{!"bool", !7, i64 0}
!16 = !{!"_ZTSN7cascadb6RWLockE", !7, i64 0}
!17 = !{!"_ZTSSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN7cascadb5Cache13TableSettingsESt4lessIS5_ESaISt4pairIKS5_S8_EEE", !18, i64 0}
!18 = !{!"_ZTSSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_N7cascadb5Cache13TableSettingsEESt10_Select1stISB_ESt4lessIS5_ESaISB_EE", !19, i64 0}
!19 = !{!"_ZTSNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_N7cascadb5Cache13TableSettingsEESt10_Select1stISB_ESt4lessIS5_ESaISB_EE13_Rb_tree_implISF_Lb1EEE", !20, i64 0, !22, i64 8}
!20 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEE", !21, i64 0}
!21 = !{!"_ZTSSt4lessINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE"}
!22 = !{!"_ZTSSt15_Rb_tree_header", !23, i64 0, !12, i64 32}
!23 = !{!"_ZTSSt18_Rb_tree_node_base", !24, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!24 = !{!"_ZTSSt14_Rb_tree_color", !7, i64 0}
!25 = !{!"_ZTSN7cascadb5MutexE", !15, i64 0, !7, i64 8}
!26 = !{!"_ZTSSt3mapIN7cascadb5Cache8CacheKeyEPNS0_4NodeESt4lessIS2_ESaISt4pairIKS2_S4_EEE", !27, i64 0}
!27 = !{!"_ZTSSt8_Rb_treeIN7cascadb5Cache8CacheKeyESt4pairIKS2_PNS0_4NodeEESt10_Select1stIS7_ESt4lessIS2_ESaIS7_EE", !28, i64 0}
!28 = !{!"_ZTSNSt8_Rb_treeIN7cascadb5Cache8CacheKeyESt4pairIKS2_PNS0_4NodeEESt10_Select1stIS7_ESt4lessIS2_ESaIS7_EE13_Rb_tree_implISB_Lb1EEE", !29, i64 0, !22, i64 8}
!29 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessIN7cascadb5Cache8CacheKeyEEE", !30, i64 0}
!30 = !{!"_ZTSSt4lessIN7cascadb5Cache8CacheKeyEE"}
!31 = !{!10, !6, i64 424}


; 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"

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIN7cascadb5Cache8CacheKeyEPNS0_4NodeESt4lessIS2_ESaISt4pairIKS2_S4_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; Function Attrs: nounwind
declare void @_ZN7cascadb6RWLockD1Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #1

; Function Attrs: nounwind
declare void @_ZN7cascadb5MutexD1Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN7cascadb5Cache13TableSettingsESt4lessIS5_ESaISt4pairIKS5_S8_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN7cascadb5CacheD2Ev(ptr noundef nonnull align 8 dereferenceable(432) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 416
  store i8 0, ptr %2, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 424
  %4 = load ptr, ptr %3, align 8, !tbaa !30
  %.not = icmp eq ptr %4, null
  br i1 %.not, label %10, label %5

5:                                                ; preds = %1
  invoke void @_ZN7cascadb6Thread4joinEv(ptr noundef nonnull align 8 dereferenceable(17) %4)
          to label %6 unwind label %17

6:                                                ; preds = %5
  %7 = load ptr, ptr %3, align 8, !tbaa !30
  %8 = icmp eq ptr %7, null
  br i1 %8, label %10, label %9

9:                                                ; preds = %6
  tail call void @_ZN7cascadb6ThreadD1Ev(ptr noundef nonnull align 8 dereferenceable(17) %7) #5
  tail call void @_ZdlPvm(ptr noundef nonnull %7, i64 noundef 24) #6
  br label %10

10:                                               ; preds = %6, %9, %1
  %11 = getelementptr inbounds i8, ptr %0, i64 368
  tail call void @_ZN7cascadb5MutexD1Ev(ptr noundef nonnull align 8 dereferenceable(48) %11) #5
  %12 = getelementptr inbounds i8, ptr %0, i64 320
  tail call void @_ZNSt3mapIN7cascadb5Cache8CacheKeyEPNS0_4NodeESt4lessIS2_ESaISt4pairIKS2_S4_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %12) #5
  %13 = getelementptr inbounds i8, ptr %0, i64 264
  tail call void @_ZN7cascadb6RWLockD1Ev(ptr noundef nonnull align 8 dereferenceable(56) %13) #5
  %14 = getelementptr inbounds i8, ptr %0, i64 208
  tail call void @_ZN7cascadb5MutexD1Ev(ptr noundef nonnull align 8 dereferenceable(48) %14) #5
  %15 = getelementptr inbounds i8, ptr %0, i64 160
  tail call void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN7cascadb5Cache13TableSettingsESt4lessIS5_ESaISt4pairIKS5_S8_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %15) #5
  %16 = getelementptr inbounds i8, ptr %0, i64 104
  tail call void @_ZN7cascadb6RWLockD1Ev(ptr noundef nonnull align 8 dereferenceable(56) %16) #5
  ret void

17:                                               ; preds = %5
  %18 = landingpad { ptr, i32 }
          catch ptr null
  %19 = extractvalue { ptr, i32 } %18, 0
  tail call void @__clang_call_terminate(ptr %19) #7
  unreachable
}

declare void @_ZN7cascadb6Thread4joinEv(ptr noundef nonnull align 8 dereferenceable(17)) local_unnamed_addr #2

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind
declare void @_ZN7cascadb6ThreadD1Ev(ptr noundef nonnull align 8 dereferenceable(17)) unnamed_addr #1

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #4

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 "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 = { "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 = { noinline noreturn nounwind uwtable "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 = { nobuiltin 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 #5 = { nounwind }
attributes #6 = { builtin nounwind }
attributes #7 = { 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, !14, i64 416}
!6 = !{!"_ZTSN7cascadb5CacheE", !7, i64 0, !15, i64 104, !16, i64 160, !24, i64 208, !11, i64 256, !15, i64 264, !25, i64 320, !24, i64 368, !14, i64 416, !8, i64 424}
!7 = !{!"_ZTSN7cascadb7OptionsE", !8, i64 0, !8, i64 8, !11, i64 16, !11, i64 24, !11, i64 32, !11, i64 40, !11, i64 48, !11, i64 56, !11, i64 64, !12, i64 72, !12, i64 76, !12, i64 80, !12, i64 84, !12, i64 88, !12, i64 92, !13, i64 96, !14, i64 100}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"long", !9, i64 0}
!12 = !{!"int", !9, i64 0}
!13 = !{!"_ZTSN7cascadb8CompressE", !9, i64 0}
!14 = !{!"bool", !9, i64 0}
!15 = !{!"_ZTSN7cascadb6RWLockE", !9, i64 0}
!16 = !{!"_ZTSSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN7cascadb5Cache13TableSettingsESt4lessIS5_ESaISt4pairIKS5_S8_EEE", !17, i64 0}
!17 = !{!"_ZTSSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_N7cascadb5Cache13TableSettingsEESt10_Select1stISB_ESt4lessIS5_ESaISB_EE", !18, i64 0}
!18 = !{!"_ZTSNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_N7cascadb5Cache13TableSettingsEESt10_Select1stISB_ESt4lessIS5_ESaISB_EE13_Rb_tree_implISF_Lb1EEE", !19, i64 0, !21, i64 8}
!19 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEE", !20, i64 0}
!20 = !{!"_ZTSSt4lessINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE"}
!21 = !{!"_ZTSSt15_Rb_tree_header", !22, i64 0, !11, i64 32}
!22 = !{!"_ZTSSt18_Rb_tree_node_base", !23, i64 0, !8, i64 8, !8, i64 16, !8, i64 24}
!23 = !{!"_ZTSSt14_Rb_tree_color", !9, i64 0}
!24 = !{!"_ZTSN7cascadb5MutexE", !14, i64 0, !9, i64 8}
!25 = !{!"_ZTSSt3mapIN7cascadb5Cache8CacheKeyEPNS0_4NodeESt4lessIS2_ESaISt4pairIKS2_S4_EEE", !26, i64 0}
!26 = !{!"_ZTSSt8_Rb_treeIN7cascadb5Cache8CacheKeyESt4pairIKS2_PNS0_4NodeEESt10_Select1stIS7_ESt4lessIS2_ESaIS7_EE", !27, i64 0}
!27 = !{!"_ZTSNSt8_Rb_treeIN7cascadb5Cache8CacheKeyESt4pairIKS2_PNS0_4NodeEESt10_Select1stIS7_ESt4lessIS2_ESaIS7_EE13_Rb_tree_implISB_Lb1EEE", !28, i64 0, !21, i64 8}
!28 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessIN7cascadb5Cache8CacheKeyEEE", !29, i64 0}
!29 = !{!"_ZTSSt4lessIN7cascadb5Cache8CacheKeyEE"}
!30 = !{!6, !8, i64 424}


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