cjdb created this revision.
cjdb added a reviewer: aaron.ballman.
Herald added a subscriber: dexonsmith.
cjdb requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D116205
Files:
clang/include/clang/AST/Type.h
clang/include/clang/Basic/Specifiers.h
clang/include/clang/Basic/TokenKinds.def
clang/include/clang/Sema/DeclSpec.h
clang/lib/AST/ItaniumMangle.cpp
clang/lib/AST/JSONNodeDumper.cpp
clang/lib/AST/TypePrinter.cpp
clang/lib/Format/FormatToken.cpp
clang/lib/Lex/PPMacroExpansion.cpp
clang/lib/Parse/ParseDecl.cpp
clang/lib/Parse/ParseDeclCXX.cpp
clang/lib/Sema/DeclSpec.cpp
clang/lib/Sema/SemaDecl.cpp
clang/lib/Sema/SemaTemplateVariadic.cpp
clang/lib/Sema/SemaType.cpp
clang/test/SemaCXX/add_cv.cpp
Index: clang/test/SemaCXX/add_cv.cpp
===================================================================
--- clang/test/SemaCXX/add_cv.cpp
+++ clang/test/SemaCXX/add_cv.cpp
@@ -6,6 +6,7 @@
template <class T>
constexpr bool check_add_cv() {
static_assert(__is_same(__add_const(T), const T), "");
+ static_assert(__is_same(__add_volatile(T), volatile T), "");
return true;
}
Index: clang/lib/Sema/SemaType.cpp
===================================================================
--- clang/lib/Sema/SemaType.cpp
+++ clang/lib/Sema/SemaType.cpp
@@ -1262,6 +1262,8 @@
switch (SwitchTST) {
case TST_add_const:
return UnaryTransformType::AddConst;
+ case TST_add_volatile:
+ return UnaryTransformType::AddVolatile;
case TST_underlyingType:
return UnaryTransformType::EnumUnderlyingType;
default:
@@ -1653,6 +1655,7 @@
}
case DeclSpec::TST_underlyingType:
case DeclSpec::TST_add_const:
+ case DeclSpec::TST_add_volatile:
Result = S.GetTypeFromParser(DS.getRepAsType());
assert(!Result.isNull() && "Didn't get a type for the transformation?");
Result = S.BuildUnaryTransformType(
@@ -5990,7 +5993,7 @@
void VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
// Make sure it is a unary transform type
assert(DS.getTypeSpecType() >= DeclSpec::TST_underlyingType &&
- DS.getTypeSpecType() <= DeclSpec::TST_add_const);
+ DS.getTypeSpecType() <= DeclSpec::TST_add_volatile);
TL.setKWLoc(DS.getTypeSpecTypeLoc());
TL.setParensRange(DS.getTypeofParensRange());
assert(DS.getRepAsType());
@@ -9090,6 +9093,16 @@
return Context.getUnaryTransformType(BaseType, Underlying,
UnaryTransformType::AddConst);
}
+ case UnaryTransformType::AddVolatile: {
+ SplitQualType Split = BaseType.getSplitUnqualifiedType();
+ Qualifiers Quals = BaseType.getQualifiers();
+ if (BaseType->isReferenceType() || BaseType->isFunctionType())
+ return BaseType;
+ Quals.addVolatile();
+ QualType Underlying(Split.Ty, Quals.getAsOpaqueValue());
+ return Context.getUnaryTransformType(BaseType, Underlying,
+ UnaryTransformType::AddVolatile);
+ }
}
llvm_unreachable("unknown unary transform type");
}
Index: clang/lib/Sema/SemaTemplateVariadic.cpp
===================================================================
--- clang/lib/Sema/SemaTemplateVariadic.cpp
+++ clang/lib/Sema/SemaTemplateVariadic.cpp
@@ -862,6 +862,7 @@
case TST_typeofType:
case TST_underlyingType:
case TST_add_const:
+ case TST_add_volatile:
case TST_atomic: {
QualType T = DS.getRepAsType().get();
if (!T.isNull() && T->containsUnexpandedParameterPack())
Index: clang/lib/Sema/SemaDecl.cpp
===================================================================
--- clang/lib/Sema/SemaDecl.cpp
+++ clang/lib/Sema/SemaDecl.cpp
@@ -146,6 +146,7 @@
case tok::kw_bool:
case tok::kw___underlying_type:
case tok::kw___add_const:
+ case tok::kw___add_volatile:
case tok::kw___auto_type:
return true;
@@ -5601,6 +5602,7 @@
case DeclSpec::TST_typeofType:
case DeclSpec::TST_underlyingType:
case DeclSpec::TST_add_const:
+ case DeclSpec::TST_add_volatile:
case DeclSpec::TST_atomic: {
// Grab the type from the parser.
TypeSourceInfo *TSI = nullptr;
Index: clang/lib/Sema/DeclSpec.cpp
===================================================================
--- clang/lib/Sema/DeclSpec.cpp
+++ clang/lib/Sema/DeclSpec.cpp
@@ -391,6 +391,7 @@
case TST_underlyingType:
case TST_add_const:
+ case TST_add_volatile:
case TST_typename:
case TST_typeofType: {
QualType QT = DS.getRepAsType().get();
@@ -580,6 +581,8 @@
case DeclSpec::TST_underlyingType: return "__underlying_type";
case DeclSpec::TST_add_const:
return "__add_const";
+ case DeclSpec::TST_add_volatile:
+ return "__add_volatile";
case DeclSpec::TST_unknown_anytype: return "__unknown_anytype";
case DeclSpec::TST_atomic: return "_Atomic";
case DeclSpec::TST_BFloat16: return "__bf16";
Index: clang/lib/Parse/ParseDeclCXX.cpp
===================================================================
--- clang/lib/Parse/ParseDeclCXX.cpp
+++ clang/lib/Parse/ParseDeclCXX.cpp
@@ -1511,14 +1511,14 @@
if (TagType == DeclSpec::TST_struct && Tok.isNot(tok::identifier) &&
!Tok.isAnnotation() && Tok.getIdentifierInfo() &&
Tok.isOneOf(
- tok::kw___add_const, tok::kw___is_abstract, tok::kw___is_aggregate,
- tok::kw___is_arithmetic, tok::kw___is_array, tok::kw___is_assignable,
- tok::kw___is_base_of, tok::kw___is_class, tok::kw___is_complete_type,
- tok::kw___is_compound, tok::kw___is_const, tok::kw___is_constructible,
- tok::kw___is_convertible, tok::kw___is_convertible_to,
- tok::kw___is_destructible, tok::kw___is_empty, tok::kw___is_enum,
- tok::kw___is_floating_point, tok::kw___is_final,
- tok::kw___is_function, tok::kw___is_fundamental,
+ tok::kw___add_const, tok::kw___add_volatile, tok::kw___is_abstract,
+ tok::kw___is_aggregate, tok::kw___is_arithmetic, tok::kw___is_array,
+ tok::kw___is_assignable, tok::kw___is_base_of, tok::kw___is_class,
+ tok::kw___is_complete_type, tok::kw___is_compound, tok::kw___is_const,
+ tok::kw___is_constructible, tok::kw___is_convertible,
+ tok::kw___is_convertible_to, tok::kw___is_destructible,
+ tok::kw___is_empty, tok::kw___is_enum, tok::kw___is_floating_point,
+ tok::kw___is_final, tok::kw___is_function, tok::kw___is_fundamental,
tok::kw___is_integral, tok::kw___is_interface_class,
tok::kw___is_literal, tok::kw___is_lvalue_expr,
tok::kw___is_lvalue_reference, tok::kw___is_member_function_pointer,
Index: clang/lib/Parse/ParseDecl.cpp
===================================================================
--- clang/lib/Parse/ParseDecl.cpp
+++ clang/lib/Parse/ParseDecl.cpp
@@ -4116,6 +4116,7 @@
continue;
case tok::kw___add_const:
+ case tok::kw___add_volatile:
ParseTypeTransformTypeSpecifier(DS);
continue;
@@ -4223,6 +4224,8 @@
switch (Tok.getKind()) {
case tok::kw___add_const:
return DeclSpec::TST_add_const;
+ case tok::kw___add_volatile:
+ return DeclSpec::TST_add_volatile;
}
__builtin_unreachable();
Index: clang/lib/Lex/PPMacroExpansion.cpp
===================================================================
--- clang/lib/Lex/PPMacroExpansion.cpp
+++ clang/lib/Lex/PPMacroExpansion.cpp
@@ -1659,6 +1659,7 @@
.Case("__reference_binds_to_temporary", true)
.Case("__underlying_type", true)
.Case("__add_const", true)
+ .Case("__add_volatile", true)
.Default(false);
} else {
return llvm::StringSwitch<bool>(II->getName())
Index: clang/lib/Format/FormatToken.cpp
===================================================================
--- clang/lib/Format/FormatToken.cpp
+++ clang/lib/Format/FormatToken.cpp
@@ -58,6 +58,7 @@
case tok::kw_bool:
case tok::kw___underlying_type:
case tok::kw___add_const:
+ case tok::kw___add_volatile:
case tok::annot_typename:
case tok::kw_char8_t:
case tok::kw_char16_t:
Index: clang/lib/AST/TypePrinter.cpp
===================================================================
--- clang/lib/AST/TypePrinter.cpp
+++ clang/lib/AST/TypePrinter.cpp
@@ -1120,9 +1120,10 @@
switch (T->getUTTKind()) {
case UnaryTransformType::EnumUnderlyingType:
- case UnaryTransformType::AddConst: {
- constexpr std::array<const char *, 2> Transformation = {
- "__underlying_type", "__add_const"};
+ case UnaryTransformType::AddConst:
+ case UnaryTransformType::AddVolatile: {
+ constexpr std::array<const char *, 3> Transformation = {
+ "__underlying_type", "__add_const", "__add_volatile"};
OS << Transformation[T->getUTTKind()] << '(';
print(T->getBaseType(), OS, StringRef());
OS << ')';
@@ -1141,6 +1142,7 @@
switch (T->getUTTKind()) {
case UnaryTransformType::EnumUnderlyingType:
case UnaryTransformType::AddConst:
+ case UnaryTransformType::AddVolatile:
return;
}
Index: clang/lib/AST/JSONNodeDumper.cpp
===================================================================
--- clang/lib/AST/JSONNodeDumper.cpp
+++ clang/lib/AST/JSONNodeDumper.cpp
@@ -668,6 +668,9 @@
case UnaryTransformType::AddConst:
JOS.attribute("transformedKind", "add_const");
break;
+ case UnaryTransformType::AddVolatile:
+ JOS.attribute("transformedKind", "add_volatile");
+ break;
}
}
Index: clang/lib/AST/ItaniumMangle.cpp
===================================================================
--- clang/lib/AST/ItaniumMangle.cpp
+++ clang/lib/AST/ItaniumMangle.cpp
@@ -3928,6 +3928,9 @@
case UnaryTransformType::AddConst:
Out << "3ac";
break;
+ case UnaryTransformType::AddVolatile:
+ Out << "3av";
+ break;
}
}
Index: clang/include/clang/Sema/DeclSpec.h
===================================================================
--- clang/include/clang/Sema/DeclSpec.h
+++ clang/include/clang/Sema/DeclSpec.h
@@ -292,6 +292,7 @@
static const TST TST_decltype_auto = clang::TST_decltype_auto;
static const TST TST_underlyingType = clang::TST_underlyingType;
static const TST TST_add_const = clang::TST_add_const;
+ static const TST TST_add_volatile = clang::TST_add_volatile;
static const TST TST_auto = clang::TST_auto;
static const TST TST_auto_type = clang::TST_auto_type;
static const TST TST_unknown_anytype = clang::TST_unknown_anytype;
Index: clang/include/clang/Basic/TokenKinds.def
===================================================================
--- clang/include/clang/Basic/TokenKinds.def
+++ clang/include/clang/Basic/TokenKinds.def
@@ -509,6 +509,7 @@
HasUniqueObjectRepresentations, KEYCXX)
KEYWORD(__underlying_type , KEYCXX)
KEYWORD(__add_const, KEYCXX)
+KEYWORD(__add_volatile, KEYCXX)
// Clang-only C++ Type Traits
TYPE_TRAIT_2(__reference_binds_to_temporary, ReferenceBindsToTemporary, KEYCXX)
Index: clang/include/clang/Basic/Specifiers.h
===================================================================
--- clang/include/clang/Basic/Specifiers.h
+++ clang/include/clang/Basic/Specifiers.h
@@ -84,6 +84,7 @@
TST_decltype, // C++11 decltype
TST_underlyingType, // __underlying_type for C++11
TST_add_const, // __add_const extension
+ TST_add_volatile, // __add_volatile extension
TST_auto, // C++11 auto
TST_decltype_auto, // C++1y decltype(auto)
TST_auto_type, // __auto_type extension
Index: clang/include/clang/AST/Type.h
===================================================================
--- clang/include/clang/AST/Type.h
+++ clang/include/clang/AST/Type.h
@@ -4555,6 +4555,7 @@
enum UTTKind {
EnumUnderlyingType,
AddConst,
+ AddVolatile,
};
private:
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