; LLVM IR from junhyeokahn/PyPnC :: external_source/yaml/src/singledocparser.ll (ZN4YAML15SingleDocParser11ParseAnchorERm)

; 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::__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::allocator" = type { i8 }
%"class.YAML::SingleDocParser" = type { ptr, ptr, %"class.std::unique_ptr", %"class.std::map", i64 }
%"class.std::unique_ptr" = type { %"struct.std::__uniq_ptr_data" }
%"struct.std::__uniq_ptr_data" = type { %"class.std::__uniq_ptr_impl" }
%"class.std::__uniq_ptr_impl" = type { %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Head_base.1" }
%"struct.std::_Head_base.1" = type { ptr }
%"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>, unsigned long>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned long>>, 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>, unsigned long>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned long>>, 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 }
%"struct.YAML::Token" = type <{ i32, i32, %"struct.YAML::Mark", [4 x i8], %"class.std::__cxx11::basic_string", %"class.std::vector.41", i32, [4 x i8] }>
%"struct.YAML::Mark" = type { i32, i32, i32 }
%"class.std::vector.41" = type { %"struct.std::_Vector_base.42" }
%"struct.std::_Vector_base.42" = 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 }

@_ZTIN4YAML15ParserExceptionE = external constant ptr
@.str.32 = external hidden unnamed_addr constant [48 x i8], align 1

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; 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 void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

declare noundef nonnull align 8 dereferenceable(84) ptr @_ZN4YAML7Scanner4peekEv(ptr noundef nonnull align 8 dereferenceable(480)) #3

declare void @_ZN4YAML7Scanner3popEv(ptr noundef nonnull align 8 dereferenceable(480)) #3

declare ptr @__cxa_allocate_exception(i64)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4YAML15ParserExceptionC2ERKNS_4MarkERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(64), ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: nounwind
declare void @_ZN4YAML15ParserExceptionD1Ev(ptr noundef nonnull align 8 dereferenceable(64)) unnamed_addr #4

declare void @__cxa_throw(ptr, ptr, ptr)

declare void @__cxa_free_exception(ptr)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4YAML15SingleDocParser11ParseAnchorERm(ptr noundef nonnull align 8 dereferenceable(80) %0, ptr noundef nonnull align 8 dereferenceable(8) %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i1, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %11 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %12 = getelementptr inbounds %"class.YAML::SingleDocParser", ptr %11, i32 0, i32 0
  %13 = load ptr, ptr %12, align 8, !tbaa !9
  %14 = call noundef nonnull align 8 dereferenceable(84) ptr @_ZN4YAML7Scanner4peekEv(ptr noundef nonnull align 8 dereferenceable(480) %13)
  store ptr %14, ptr %5, align 8, !tbaa !5
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = load i64, ptr %15, align 8, !tbaa !26
  %17 = icmp ne i64 %16, 0
  br i1 %17, label %18, label %36

18:                                               ; preds = %2
  store i1 true, ptr %10, align 1
  %19 = call ptr @__cxa_allocate_exception(i64 64) #5
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = getelementptr inbounds %"struct.YAML::Token", ptr %20, i32 0, i32 2
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef @.str.32, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %22 unwind label %24

22:                                               ; preds = %18
  invoke void @_ZN4YAML15ParserExceptionC2ERKNS_4MarkERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(64) %19, ptr noundef nonnull align 4 dereferenceable(12) %21, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %23 unwind label %28

23:                                               ; preds = %22
  store i1 false, ptr %10, align 1
  invoke void @__cxa_throw(ptr %19, ptr @_ZTIN4YAML15ParserExceptionE, ptr @_ZN4YAML15ParserExceptionD1Ev) #6
          to label %48 unwind label %28

24:                                               ; preds = %18
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %8, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %9, align 4
  br label %32

28:                                               ; preds = %23, %22
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %8, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  br label %32

32:                                               ; preds = %28, %24
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #5
  %33 = load i1, ptr %10, align 1
  br i1 %33, label %34, label %35

34:                                               ; preds = %32
  call void @__cxa_free_exception(ptr %19) #5
  br label %35

35:                                               ; preds = %34, %32
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %43

36:                                               ; preds = %2
  %37 = load ptr, ptr %5, align 8, !tbaa !5
  %38 = getelementptr inbounds %"struct.YAML::Token", ptr %37, i32 0, i32 4
  %39 = call noundef i64 @_ZN4YAML15SingleDocParser14RegisterAnchorERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(80) %11, ptr noundef nonnull align 8 dereferenceable(32) %38)
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  store i64 %39, ptr %40, align 8, !tbaa !26
  %41 = getelementptr inbounds %"class.YAML::SingleDocParser", ptr %11, i32 0, i32 0
  %42 = load ptr, ptr %41, align 8, !tbaa !9
  call void @_ZN4YAML7Scanner3popEv(ptr noundef nonnull align 8 dereferenceable(480) %42)
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  ret void

43:                                               ; preds = %35
  %44 = load ptr, ptr %8, align 8
  %45 = load i32, ptr %9, align 4
  %46 = insertvalue { ptr, i32 } poison, ptr %44, 0
  %47 = insertvalue { ptr, i32 } %46, i32 %45, 1
  resume { ptr, i32 } %47

48:                                               ; preds = %23
  unreachable
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN4YAML15SingleDocParser14RegisterAnchorERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

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 = { "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 "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 = { noreturn }

!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, !6, i64 0}
!10 = !{!"_ZTSN4YAML15SingleDocParserE", !6, i64 0, !6, i64 8, !11, i64 16, !17, i64 24, !25, i64 72}
!11 = !{!"_ZTSSt10unique_ptrIN4YAML15CollectionStackESt14default_deleteIS1_EE", !12, i64 0}
!12 = !{!"_ZTSSt15__uniq_ptr_dataIN4YAML15CollectionStackESt14default_deleteIS1_ELb1ELb1EE", !13, i64 0}
!13 = !{!"_ZTSSt15__uniq_ptr_implIN4YAML15CollectionStackESt14default_deleteIS1_EE", !14, i64 0}
!14 = !{!"_ZTSSt5tupleIJPN4YAML15CollectionStackESt14default_deleteIS1_EEE", !15, i64 0}
!15 = !{!"_ZTSSt11_Tuple_implILm0EJPN4YAML15CollectionStackESt14default_deleteIS1_EEE", !16, i64 0}
!16 = !{!"_ZTSSt10_Head_baseILm0EPN4YAML15CollectionStackELb0EE", !6, i64 0}
!17 = !{!"_ZTSSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4lessIS5_ESaISt4pairIKS5_mEEE", !18, i64 0}
!18 = !{!"_ZTSSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_mESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE", !19, i64 0}
!19 = !{!"_ZTSNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_mESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE13_Rb_tree_implISC_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, !25, 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 = !{!"long", !7, i64 0}
!26 = !{!25, !25, 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"

%"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::allocator" = type { i8 }

@_ZTIN4YAML15ParserExceptionE = external constant ptr
@.str.32 = external hidden unnamed_addr constant [48 x i8], align 1

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; 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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

declare noundef nonnull align 8 dereferenceable(84) ptr @_ZN4YAML7Scanner4peekEv(ptr noundef nonnull align 8 dereferenceable(480)) local_unnamed_addr #3

declare void @_ZN4YAML7Scanner3popEv(ptr noundef nonnull align 8 dereferenceable(480)) local_unnamed_addr #3

declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4YAML15ParserExceptionC2ERKNS_4MarkERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(64), ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: nounwind
declare void @_ZN4YAML15ParserExceptionD1Ev(ptr noundef nonnull align 8 dereferenceable(64)) unnamed_addr #4

declare void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr

declare void @__cxa_free_exception(ptr) local_unnamed_addr

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4YAML15SingleDocParser11ParseAnchorERm(ptr noundef nonnull align 8 dereferenceable(80) %0, ptr nocapture noundef nonnull align 8 dereferenceable(8) %1) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = load ptr, ptr %0, align 8, !tbaa !5
  %6 = tail call noundef nonnull align 8 dereferenceable(84) ptr @_ZN4YAML7Scanner4peekEv(ptr noundef nonnull align 8 dereferenceable(480) %5)
  %7 = load i64, ptr %1, align 8, !tbaa !25
  %.not = icmp eq i64 %7, 0
  br i1 %.not, label %18, label %8

8:                                                ; preds = %2
  %9 = tail call ptr @__cxa_allocate_exception(i64 64) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str.32, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %10 unwind label %.thread

10:                                               ; preds = %8
  %11 = getelementptr inbounds i8, ptr %6, i64 8
  invoke void @_ZN4YAML15ParserExceptionC2ERKNS_4MarkERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(64) %9, ptr noundef nonnull align 4 dereferenceable(12) %11, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %12 unwind label %14

12:                                               ; preds = %10
  invoke void @__cxa_throw(ptr nonnull %9, ptr nonnull @_ZTIN4YAML15ParserExceptionE, ptr nonnull @_ZN4YAML15ParserExceptionD1Ev) #6
          to label %22 unwind label %14

.thread:                                          ; preds = %8
  %13 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  br label %16

14:                                               ; preds = %10, %12
  %.0 = phi i1 [ false, %12 ], [ true, %10 ]
  %15 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  br i1 %.0, label %16, label %17

16:                                               ; preds = %.thread, %14
  %.pn13 = phi { ptr, i32 } [ %13, %.thread ], [ %15, %14 ]
  call void @__cxa_free_exception(ptr %9) #5
  br label %17

17:                                               ; preds = %16, %14
  %.pn12 = phi { ptr, i32 } [ %.pn13, %16 ], [ %15, %14 ]
  resume { ptr, i32 } %.pn12

18:                                               ; preds = %2
  %19 = getelementptr inbounds i8, ptr %6, i64 24
  %20 = tail call noundef i64 @_ZN4YAML15SingleDocParser14RegisterAnchorERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(80) %0, ptr noundef nonnull align 8 dereferenceable(32) %19)
  store i64 %20, ptr %1, align 8, !tbaa !25
  %21 = load ptr, ptr %0, align 8, !tbaa !5
  tail call void @_ZN4YAML7Scanner3popEv(ptr noundef nonnull align 8 dereferenceable(480) %21)
  ret void

22:                                               ; preds = %12
  unreachable
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN4YAML15SingleDocParser14RegisterAnchorERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress 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 = { "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 "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 = { noreturn }

!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 0}
!6 = !{!"_ZTSN4YAML15SingleDocParserE", !7, i64 0, !7, i64 8, !10, i64 16, !16, i64 24, !24, i64 72}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt10unique_ptrIN4YAML15CollectionStackESt14default_deleteIS1_EE", !11, i64 0}
!11 = !{!"_ZTSSt15__uniq_ptr_dataIN4YAML15CollectionStackESt14default_deleteIS1_ELb1ELb1EE", !12, i64 0}
!12 = !{!"_ZTSSt15__uniq_ptr_implIN4YAML15CollectionStackESt14default_deleteIS1_EE", !13, i64 0}
!13 = !{!"_ZTSSt5tupleIJPN4YAML15CollectionStackESt14default_deleteIS1_EEE", !14, i64 0}
!14 = !{!"_ZTSSt11_Tuple_implILm0EJPN4YAML15CollectionStackESt14default_deleteIS1_EEE", !15, i64 0}
!15 = !{!"_ZTSSt10_Head_baseILm0EPN4YAML15CollectionStackELb0EE", !7, i64 0}
!16 = !{!"_ZTSSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmSt4lessIS5_ESaISt4pairIKS5_mEEE", !17, i64 0}
!17 = !{!"_ZTSSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_mESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE", !18, i64 0}
!18 = !{!"_ZTSNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_mESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE13_Rb_tree_implISC_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, !24, i64 32}
!22 = !{!"_ZTSSt18_Rb_tree_node_base", !23, i64 0, !7, i64 8, !7, i64 16, !7, i64 24}
!23 = !{!"_ZTSSt14_Rb_tree_color", !8, i64 0}
!24 = !{!"long", !8, i64 0}
!25 = !{!24, !24, i64 0}


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