[clang] [Clang] Add BuiltinTemplates.td to generate code for builtin templates (PR #123736)
via cfe-commits
cfe-commits at lists.llvm.org
Tue Jan 21 03:46:19 PST 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang
@llvm/pr-subscribers-clang-modules
Author: Nikolas Klauser (philnik777)
<details>
<summary>Changes</summary>
This makes it significantly easier to add new builtin templates, since you only have to modify two places instead of a dozen or so.
The `BuiltinTemplates.td` could also be extended to generate documentation from it in the future.
---
Patch is 30.36 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/123736.diff
16 Files Affected:
- (modified) clang/include/clang/AST/ASTContext.h (+14-20)
- (modified) clang/include/clang/AST/DeclID.h (+2-8)
- (added) clang/include/clang/Basic/BuiltinTemplates.td (+23)
- (modified) clang/include/clang/Basic/Builtins.h (+2-8)
- (modified) clang/include/clang/Basic/CMakeLists.txt (+4)
- (modified) clang/lib/AST/ASTContext.cpp (+8-22)
- (modified) clang/lib/AST/ASTImporter.cpp (+4-8)
- (modified) clang/lib/AST/DeclTemplate.cpp (+2-131)
- (modified) clang/lib/Lex/PPMacroExpansion.cpp (+2-3)
- (modified) clang/lib/Sema/SemaLookup.cpp (+6-12)
- (modified) clang/lib/Serialization/ASTReader.cpp (+6-16)
- (modified) clang/lib/Serialization/ASTWriter.cpp (+3-5)
- (modified) clang/utils/TableGen/CMakeLists.txt (+1)
- (added) clang/utils/TableGen/ClangBuiltinTemplatesEmitter.cpp (+184)
- (modified) clang/utils/TableGen/TableGen.cpp (+6)
- (modified) clang/utils/TableGen/TableGenBackends.h (+2)
``````````diff
diff --git a/clang/include/clang/AST/ASTContext.h b/clang/include/clang/AST/ASTContext.h
index 0e07c5d6ce8fba..eed257e4d92fff 100644
--- a/clang/include/clang/AST/ASTContext.h
+++ b/clang/include/clang/AST/ASTContext.h
@@ -410,11 +410,9 @@ class ASTContext : public RefCountedBase<ASTContext> {
/// The identifier 'NSCopying'.
IdentifierInfo *NSCopyingName = nullptr;
- /// The identifier '__make_integer_seq'.
- mutable IdentifierInfo *MakeIntegerSeqName = nullptr;
- /// The identifier '__type_pack_element'.
- mutable IdentifierInfo *TypePackElementName = nullptr;
+#define BuiltinTemplate(BTName) mutable IdentifierInfo *Name##BTName = nullptr;
+#include "clang/Basic/BuiltinTemplates.inc"
/// The identifier '__builtin_common_type'.
mutable IdentifierInfo *BuiltinCommonTypeName = nullptr;
@@ -624,9 +622,9 @@ class ASTContext : public RefCountedBase<ASTContext> {
TranslationUnitDecl *TUDecl = nullptr;
mutable ExternCContextDecl *ExternCContext = nullptr;
- mutable BuiltinTemplateDecl *MakeIntegerSeqDecl = nullptr;
- mutable BuiltinTemplateDecl *TypePackElementDecl = nullptr;
- mutable BuiltinTemplateDecl *BuiltinCommonTypeDecl = nullptr;
+
+#define BuiltinTemplate(Name) mutable BuiltinTemplateDecl *Decl##Name = nullptr;
+#include "clang/Basic/BuiltinTemplates.inc"
/// The associated SourceManager object.
SourceManager &SourceMgr;
@@ -1152,9 +1150,9 @@ class ASTContext : public RefCountedBase<ASTContext> {
}
ExternCContextDecl *getExternCContextDecl() const;
- BuiltinTemplateDecl *getMakeIntegerSeqDecl() const;
- BuiltinTemplateDecl *getTypePackElementDecl() const;
- BuiltinTemplateDecl *getBuiltinCommonTypeDecl() const;
+
+#define BuiltinTemplate(Name) BuiltinTemplateDecl *get##Name##Decl() const;
+#include "clang/Basic/BuiltinTemplates.inc"
// Builtin Types.
CanQualType VoidTy;
@@ -2054,17 +2052,13 @@ class ASTContext : public RefCountedBase<ASTContext> {
return BoolName;
}
- IdentifierInfo *getMakeIntegerSeqName() const {
- if (!MakeIntegerSeqName)
- MakeIntegerSeqName = &Idents.get("__make_integer_seq");
- return MakeIntegerSeqName;
- }
-
- IdentifierInfo *getTypePackElementName() const {
- if (!TypePackElementName)
- TypePackElementName = &Idents.get("__type_pack_element");
- return TypePackElementName;
+#define BuiltinTemplate(BTName) \
+ IdentifierInfo *get##BTName##Name() const { \
+ if (!Name##BTName) \
+ Name##BTName = &Idents.get(#BTName); \
+ return Name##BTName; \
}
+#include "clang/Basic/BuiltinTemplates.inc"
IdentifierInfo *getBuiltinCommonTypeName() const {
if (!BuiltinCommonTypeName)
diff --git a/clang/include/clang/AST/DeclID.h b/clang/include/clang/AST/DeclID.h
index 49964b43c7d1d8..71e28ec1f9c65f 100644
--- a/clang/include/clang/AST/DeclID.h
+++ b/clang/include/clang/AST/DeclID.h
@@ -71,20 +71,14 @@ enum PredefinedDeclIDs {
/// The extern "C" context.
PREDEF_DECL_EXTERN_C_CONTEXT_ID,
- /// The internal '__make_integer_seq' template.
- PREDEF_DECL_MAKE_INTEGER_SEQ_ID,
-
/// The internal '__NSConstantString' typedef.
PREDEF_DECL_CF_CONSTANT_STRING_ID,
/// The internal '__NSConstantString' tag type.
PREDEF_DECL_CF_CONSTANT_STRING_TAG_ID,
- /// The internal '__type_pack_element' template.
- PREDEF_DECL_TYPE_PACK_ELEMENT_ID,
-
- /// The internal '__builtin_common_type' template.
- PREDEF_DECL_COMMON_TYPE_ID,
+#define BuiltinTemplate(Name) PREDEF_DECL##Name##_ID,
+#include "clang/Basic/BuiltinTemplates.inc"
/// The number of declaration IDs that are predefined.
NUM_PREDEF_DECL_IDS
diff --git a/clang/include/clang/Basic/BuiltinTemplates.td b/clang/include/clang/Basic/BuiltinTemplates.td
new file mode 100644
index 00000000000000..3d51088e0bccaf
--- /dev/null
+++ b/clang/include/clang/Basic/BuiltinTemplates.td
@@ -0,0 +1,23 @@
+//===--- BuiltinTemplates.td - Clang builtin template aliases ---*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+class BuiltinTemplate<string prototype> {
+ string Prototype = prototype;
+}
+
+def __make_integer_seq : BuiltinTemplate<
+ "template <template <class T, T... Ints> class IntSeq, class T, T N>">;
+
+def __type_pack_element : BuiltinTemplate<
+ "template <size_t, class... T>">;
+
+def __builtin_common_type : BuiltinTemplate<
+ "template <template <class... Args> class BaseTemplate,"
+ " template <class TypeMember> class HasTypeMember,"
+ " class HasNoTypeMember,"
+ " class... Ts>">;
diff --git a/clang/include/clang/Basic/Builtins.h b/clang/include/clang/Basic/Builtins.h
index 63559d977ce6b6..eef96f35095a88 100644
--- a/clang/include/clang/Basic/Builtins.h
+++ b/clang/include/clang/Basic/Builtins.h
@@ -306,14 +306,8 @@ bool evaluateRequiredTargetFeatures(
/// Kinds of BuiltinTemplateDecl.
enum BuiltinTemplateKind : int {
- /// This names the __make_integer_seq BuiltinTemplateDecl.
- BTK__make_integer_seq,
-
- /// This names the __type_pack_element BuiltinTemplateDecl.
- BTK__type_pack_element,
-
- /// This names the __builtin_common_type BuiltinTemplateDecl.
- BTK__builtin_common_type,
+#define BuiltinTemplate(Name) BTK##Name,
+#include "clang/Basic/BuiltinTemplates.inc"
};
} // end namespace clang
diff --git a/clang/include/clang/Basic/CMakeLists.txt b/clang/include/clang/Basic/CMakeLists.txt
index 56c27bacdb20b8..3fe6d8985b32d8 100644
--- a/clang/include/clang/Basic/CMakeLists.txt
+++ b/clang/include/clang/Basic/CMakeLists.txt
@@ -77,6 +77,10 @@ clang_tablegen(BuiltinsX86_64.inc -gen-clang-builtins
SOURCE BuiltinsX86_64.td
TARGET ClangBuiltinsX86_64)
+clang_tablegen(BuiltinTemplates.inc -gen-clang-builtin-templates
+ SOURCE BuiltinTemplates.td
+ TARGET ClangBuiltinTemplates)
+
# ARM NEON and MVE
clang_tablegen(arm_neon.inc -gen-arm-neon-sema
SOURCE arm_neon.td
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index be1dd29d462788..288135e47fc39c 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -1195,28 +1195,14 @@ ASTContext::buildBuiltinTemplateDecl(BuiltinTemplateKind BTK,
return BuiltinTemplate;
}
-BuiltinTemplateDecl *
-ASTContext::getMakeIntegerSeqDecl() const {
- if (!MakeIntegerSeqDecl)
- MakeIntegerSeqDecl = buildBuiltinTemplateDecl(BTK__make_integer_seq,
- getMakeIntegerSeqName());
- return MakeIntegerSeqDecl;
-}
-
-BuiltinTemplateDecl *
-ASTContext::getTypePackElementDecl() const {
- if (!TypePackElementDecl)
- TypePackElementDecl = buildBuiltinTemplateDecl(BTK__type_pack_element,
- getTypePackElementName());
- return TypePackElementDecl;
-}
-
-BuiltinTemplateDecl *ASTContext::getBuiltinCommonTypeDecl() const {
- if (!BuiltinCommonTypeDecl)
- BuiltinCommonTypeDecl = buildBuiltinTemplateDecl(
- BTK__builtin_common_type, getBuiltinCommonTypeName());
- return BuiltinCommonTypeDecl;
-}
+#define BuiltinTemplate(BTName) \
+ BuiltinTemplateDecl *ASTContext::get##BTName##Decl() const { \
+ if (!Decl##BTName) \
+ Decl##BTName = \
+ buildBuiltinTemplateDecl(BTK##BTName, get##BTName##Name()); \
+ return Decl##BTName; \
+ }
+#include "clang/Basic/BuiltinTemplates.inc"
RecordDecl *ASTContext::buildImplicitRecord(StringRef Name,
RecordDecl::TagKind TK) const {
diff --git a/clang/lib/AST/ASTImporter.cpp b/clang/lib/AST/ASTImporter.cpp
index 0669aa1b809c34..f63e017c33a002 100644
--- a/clang/lib/AST/ASTImporter.cpp
+++ b/clang/lib/AST/ASTImporter.cpp
@@ -5461,15 +5461,11 @@ ExpectedDecl ASTNodeImporter::VisitUnresolvedUsingTypenameDecl(
ExpectedDecl ASTNodeImporter::VisitBuiltinTemplateDecl(BuiltinTemplateDecl *D) {
Decl* ToD = nullptr;
switch (D->getBuiltinTemplateKind()) {
- case BuiltinTemplateKind::BTK__make_integer_seq:
- ToD = Importer.getToContext().getMakeIntegerSeqDecl();
- break;
- case BuiltinTemplateKind::BTK__type_pack_element:
- ToD = Importer.getToContext().getTypePackElementDecl();
- break;
- case BuiltinTemplateKind::BTK__builtin_common_type:
- ToD = Importer.getToContext().getBuiltinCommonTypeDecl();
+#define BuiltinTemplate(Name) \
+ case BuiltinTemplateKind::BTK##Name: \
+ ToD = Importer.getToContext().get##Name##Decl(); \
break;
+#include "clang/Basic/BuiltinTemplates.inc"
}
assert(ToD && "BuiltinTemplateDecl of unsupported kind!");
Importer.MapImported(D, ToD);
diff --git a/clang/lib/AST/DeclTemplate.cpp b/clang/lib/AST/DeclTemplate.cpp
index 40ee3753c24227..de060dc612c317 100644
--- a/clang/lib/AST/DeclTemplate.cpp
+++ b/clang/lib/AST/DeclTemplate.cpp
@@ -1571,140 +1571,11 @@ SourceRange VarTemplatePartialSpecializationDecl::getSourceRange() const {
return Range;
}
-static TemplateParameterList *
-createMakeIntegerSeqParameterList(const ASTContext &C, DeclContext *DC) {
- // typename T
- auto *T = TemplateTypeParmDecl::Create(
- C, DC, SourceLocation(), SourceLocation(), /*Depth=*/1, /*Position=*/0,
- /*Id=*/nullptr, /*Typename=*/true, /*ParameterPack=*/false,
- /*HasTypeConstraint=*/false);
- T->setImplicit(true);
-
- // T ...Ints
- TypeSourceInfo *TI =
- C.getTrivialTypeSourceInfo(QualType(T->getTypeForDecl(), 0));
- auto *N = NonTypeTemplateParmDecl::Create(
- C, DC, SourceLocation(), SourceLocation(), /*Depth=*/0, /*Position=*/1,
- /*Id=*/nullptr, TI->getType(), /*ParameterPack=*/true, TI);
- N->setImplicit(true);
-
- // <typename T, T ...Ints>
- NamedDecl *P[2] = {T, N};
- auto *TPL = TemplateParameterList::Create(
- C, SourceLocation(), SourceLocation(), P, SourceLocation(), nullptr);
-
- // template <typename T, ...Ints> class IntSeq
- auto *TemplateTemplateParm = TemplateTemplateParmDecl::Create(
- C, DC, SourceLocation(), /*Depth=*/0, /*Position=*/0,
- /*ParameterPack=*/false, /*Id=*/nullptr, /*Typename=*/false, TPL);
- TemplateTemplateParm->setImplicit(true);
-
- // typename T
- auto *TemplateTypeParm = TemplateTypeParmDecl::Create(
- C, DC, SourceLocation(), SourceLocation(), /*Depth=*/0, /*Position=*/1,
- /*Id=*/nullptr, /*Typename=*/true, /*ParameterPack=*/false,
- /*HasTypeConstraint=*/false);
- TemplateTypeParm->setImplicit(true);
-
- // T N
- TypeSourceInfo *TInfo = C.getTrivialTypeSourceInfo(
- QualType(TemplateTypeParm->getTypeForDecl(), 0));
- auto *NonTypeTemplateParm = NonTypeTemplateParmDecl::Create(
- C, DC, SourceLocation(), SourceLocation(), /*Depth=*/0, /*Position=*/2,
- /*Id=*/nullptr, TInfo->getType(), /*ParameterPack=*/false, TInfo);
- NamedDecl *Params[] = {TemplateTemplateParm, TemplateTypeParm,
- NonTypeTemplateParm};
-
- // template <template <typename T, T ...Ints> class IntSeq, typename T, T N>
- return TemplateParameterList::Create(C, SourceLocation(), SourceLocation(),
- Params, SourceLocation(), nullptr);
-}
-
-static TemplateParameterList *
-createTypePackElementParameterList(const ASTContext &C, DeclContext *DC) {
- // std::size_t Index
- TypeSourceInfo *TInfo = C.getTrivialTypeSourceInfo(C.getSizeType());
- auto *Index = NonTypeTemplateParmDecl::Create(
- C, DC, SourceLocation(), SourceLocation(), /*Depth=*/0, /*Position=*/0,
- /*Id=*/nullptr, TInfo->getType(), /*ParameterPack=*/false, TInfo);
-
- // typename ...T
- auto *Ts = TemplateTypeParmDecl::Create(
- C, DC, SourceLocation(), SourceLocation(), /*Depth=*/0, /*Position=*/1,
- /*Id=*/nullptr, /*Typename=*/true, /*ParameterPack=*/true,
- /*HasTypeConstraint=*/false);
- Ts->setImplicit(true);
-
- // template <std::size_t Index, typename ...T>
- NamedDecl *Params[] = {Index, Ts};
- return TemplateParameterList::Create(C, SourceLocation(), SourceLocation(),
- llvm::ArrayRef(Params), SourceLocation(),
- nullptr);
-}
-
-static TemplateParameterList *createBuiltinCommonTypeList(const ASTContext &C,
- DeclContext *DC) {
- // class... Args
- auto *Args =
- TemplateTypeParmDecl::Create(C, DC, SourceLocation(), SourceLocation(),
- /*Depth=*/1, /*Position=*/0, /*Id=*/nullptr,
- /*Typename=*/false, /*ParameterPack=*/true);
-
- // <class... Args>
- auto *BaseTemplateList = TemplateParameterList::Create(
- C, SourceLocation(), SourceLocation(), Args, SourceLocation(), nullptr);
-
- // template <class... Args> class BaseTemplate
- auto *BaseTemplate = TemplateTemplateParmDecl::Create(
- C, DC, SourceLocation(), /*Depth=*/0, /*Position=*/0,
- /*ParameterPack=*/false, /*Id=*/nullptr,
- /*Typename=*/false, BaseTemplateList);
-
- // class TypeMember
- auto *TypeMember =
- TemplateTypeParmDecl::Create(C, DC, SourceLocation(), SourceLocation(),
- /*Depth=*/1, /*Position=*/0, /*Id=*/nullptr,
- /*Typename=*/false, /*ParameterPack=*/false);
-
- // <class TypeMember>
- auto *HasTypeMemberList =
- TemplateParameterList::Create(C, SourceLocation(), SourceLocation(),
- TypeMember, SourceLocation(), nullptr);
-
- // template <class TypeMember> class HasTypeMember
- auto *HasTypeMember = TemplateTemplateParmDecl::Create(
- C, DC, SourceLocation(), /*Depth=*/0, /*Position=*/1,
- /*ParameterPack=*/false, /*Id=*/nullptr,
- /*Typename=*/false, HasTypeMemberList);
-
- // class HasNoTypeMember
- auto *HasNoTypeMember = TemplateTypeParmDecl::Create(
- C, DC, {}, {}, /*Depth=*/0, /*Position=*/2, /*Id=*/nullptr,
- /*Typename=*/false, /*ParameterPack=*/false);
-
- // class... Ts
- auto *Ts = TemplateTypeParmDecl::Create(
- C, DC, SourceLocation(), SourceLocation(), /*Depth=*/0, /*Position=*/3,
- /*Id=*/nullptr, /*Typename=*/false, /*ParameterPack=*/true);
-
- // template <template <class... Args> class BaseTemplate,
- // template <class TypeMember> class HasTypeMember, class HasNoTypeMember,
- // class... Ts>
- return TemplateParameterList::Create(
- C, SourceLocation(), SourceLocation(),
- {BaseTemplate, HasTypeMember, HasNoTypeMember, Ts}, SourceLocation(),
- nullptr);
-}
-
static TemplateParameterList *createBuiltinTemplateParameterList(
const ASTContext &C, DeclContext *DC, BuiltinTemplateKind BTK) {
switch (BTK) {
- case BTK__make_integer_seq:
- return createMakeIntegerSeqParameterList(C, DC);
- case BTK__type_pack_element:
- return createTypePackElementParameterList(C, DC);
- case BTK__builtin_common_type:
- return createBuiltinCommonTypeList(C, DC);
+#define CREATE_BUILTIN_TEMPLATE_PARAMETER_LIST
+#include "clang/Basic/BuiltinTemplates.inc"
}
llvm_unreachable("unhandled BuiltinTemplateKind!");
diff --git a/clang/lib/Lex/PPMacroExpansion.cpp b/clang/lib/Lex/PPMacroExpansion.cpp
index 347c13da0ad215..fdbf53b9a623a6 100644
--- a/clang/lib/Lex/PPMacroExpansion.cpp
+++ b/clang/lib/Lex/PPMacroExpansion.cpp
@@ -1831,9 +1831,8 @@ void Preprocessor::ExpandBuiltinMacro(Token &Tok) {
} else {
return llvm::StringSwitch<bool>(II->getName())
// Report builtin templates as being builtins.
- .Case("__make_integer_seq", getLangOpts().CPlusPlus)
- .Case("__type_pack_element", getLangOpts().CPlusPlus)
- .Case("__builtin_common_type", getLangOpts().CPlusPlus)
+#define BuiltinTemplate(BTName) .Case(#BTName, getLangOpts().CPlusPlus)
+#include "clang/Basic/BuiltinTemplates.inc"
// Likewise for some builtin preprocessor macros.
// FIXME: This is inconsistent; we usually suggest detecting
// builtin macros via #ifdef. Don't add more cases here.
diff --git a/clang/lib/Sema/SemaLookup.cpp b/clang/lib/Sema/SemaLookup.cpp
index e1171d4284c763..abfb0569b5c4ff 100644
--- a/clang/lib/Sema/SemaLookup.cpp
+++ b/clang/lib/Sema/SemaLookup.cpp
@@ -924,18 +924,12 @@ bool Sema::LookupBuiltin(LookupResult &R) {
IdentifierInfo *II = R.getLookupName().getAsIdentifierInfo();
if (II) {
if (getLangOpts().CPlusPlus && NameKind == Sema::LookupOrdinaryName) {
- if (II == getASTContext().getMakeIntegerSeqName()) {
- R.addDecl(getASTContext().getMakeIntegerSeqDecl());
- return true;
- }
- if (II == getASTContext().getTypePackElementName()) {
- R.addDecl(getASTContext().getTypePackElementDecl());
- return true;
- }
- if (II == getASTContext().getBuiltinCommonTypeName()) {
- R.addDecl(getASTContext().getBuiltinCommonTypeDecl());
- return true;
- }
+#define BuiltinTemplate(BIName) \
+ if (II == getASTContext().get##BIName##Name()) { \
+ R.addDecl(getASTContext().get##BIName##Decl()); \
+ return true; \
+ }
+#include "clang/Basic/BuiltinTemplates.inc"
}
// Check if this is an OpenCL Builtin, and if so, insert its overloads.
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 7361cace49dd7b..f19f71d1482970 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -8005,12 +8005,6 @@ Decl *ASTReader::getPredefinedDecl(PredefinedDeclIDs ID) {
NewLoaded = Context.getExternCContextDecl();
break;
- case PREDEF_DECL_MAKE_INTEGER_SEQ_ID:
- if (Context.MakeIntegerSeqDecl)
- return Context.MakeIntegerSeqDecl;
- NewLoaded = Context.getMakeIntegerSeqDecl();
- break;
-
case PREDEF_DECL_CF_CONSTANT_STRING_ID:
if (Context.CFConstantStringTypeDecl)
return Context.CFConstantStringTypeDecl;
@@ -8023,17 +8017,13 @@ Decl *ASTReader::getPredefinedDecl(PredefinedDeclIDs ID) {
NewLoaded = Context.getCFConstantStringTagDecl();
break;
- case PREDEF_DECL_TYPE_PACK_ELEMENT_ID:
- if (Context.TypePackElementDecl)
- return Context.TypePackElementDecl;
- NewLoaded = Context.getTypePackElementDecl();
- break;
-
- case PREDEF_DECL_COMMON_TYPE_ID:
- if (Context.BuiltinCommonTypeDecl)
- return Context.BuiltinCommonTypeDecl;
- NewLoaded = Context.getBuiltinCommonTypeDecl();
+#define BuiltinTemplate(Name) \
+ case PREDEF_DECL##Name##_ID: \
+ if (Context.Decl##Name) \
+ return Context.Decl##Name; \
+ NewLoaded = Context.get##Name##Decl(); \
break;
+#include "clang/Basic/BuiltinTemplates.inc"
case NUM_PREDEF_DECL_IDS:
llvm_unreachable("Invalid decl ID");
diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index 0ae2157eed4ecc..c21586f79fef01 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -5292,15 +5292,13 @@ void ASTWriter::PrepareWritingSpecialDecls(Sema &SemaRef) {
RegisterPredefDecl(Context.MSGuidTagDecl,
PREDEF_DECL_BUILTIN_MS_GUID_ID);
RegisterPredefDecl(Context.ExternCContext, PREDEF_DECL_EXTERN_C_CONTEXT_ID);
- RegisterPredefDecl(Context.MakeIntegerSeqDecl,
- PREDEF_DECL_MAKE_INTEGER_SEQ_ID);
RegisterPredefDecl(Context.CFCon...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/123736
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