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-rw-r--r--lib/AST/ASTContext.cpp584
1 files changed, 363 insertions, 221 deletions
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 21b6f36e9aa7..0d69eb90abaf 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -1,9 +1,8 @@
//===- ASTContext.cpp - Context to hold long-lived AST nodes --------------===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// 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
//
//===----------------------------------------------------------------------===//
//
@@ -95,38 +94,18 @@
using namespace clang;
-unsigned ASTContext::NumImplicitDefaultConstructors;
-unsigned ASTContext::NumImplicitDefaultConstructorsDeclared;
-unsigned ASTContext::NumImplicitCopyConstructors;
-unsigned ASTContext::NumImplicitCopyConstructorsDeclared;
-unsigned ASTContext::NumImplicitMoveConstructors;
-unsigned ASTContext::NumImplicitMoveConstructorsDeclared;
-unsigned ASTContext::NumImplicitCopyAssignmentOperators;
-unsigned ASTContext::NumImplicitCopyAssignmentOperatorsDeclared;
-unsigned ASTContext::NumImplicitMoveAssignmentOperators;
-unsigned ASTContext::NumImplicitMoveAssignmentOperatorsDeclared;
-unsigned ASTContext::NumImplicitDestructors;
-unsigned ASTContext::NumImplicitDestructorsDeclared;
-
enum FloatingRank {
Float16Rank, HalfRank, FloatRank, DoubleRank, LongDoubleRank, Float128Rank
};
RawComment *ASTContext::getRawCommentForDeclNoCache(const Decl *D) const {
- if (!CommentsLoaded && ExternalSource) {
- ExternalSource->ReadComments();
-
-#ifndef NDEBUG
- ArrayRef<RawComment *> RawComments = Comments.getComments();
- assert(std::is_sorted(RawComments.begin(), RawComments.end(),
- BeforeThanCompare<RawComment>(SourceMgr)));
-#endif
-
- CommentsLoaded = true;
- }
-
assert(D);
+ // If we already tried to load comments but there are none,
+ // we won't find anything.
+ if (CommentsLoaded && Comments.getComments().empty())
+ return nullptr;
+
// User can not attach documentation to implicit declarations.
if (D->isImplicit())
return nullptr;
@@ -176,12 +155,6 @@ RawComment *ASTContext::getRawCommentForDeclNoCache(const Decl *D) const {
isa<TemplateTemplateParmDecl>(D))
return nullptr;
- ArrayRef<RawComment *> RawComments = Comments.getComments();
-
- // If there are no comments anywhere, we won't find anything.
- if (RawComments.empty())
- return nullptr;
-
// Find declaration location.
// For Objective-C declarations we generally don't expect to have multiple
// declarators, thus use declaration starting location as the "declaration
@@ -220,6 +193,23 @@ RawComment *ASTContext::getRawCommentForDeclNoCache(const Decl *D) const {
if (DeclLoc.isInvalid() || !DeclLoc.isFileID())
return nullptr;
+ if (!CommentsLoaded && ExternalSource) {
+ ExternalSource->ReadComments();
+
+#ifndef NDEBUG
+ ArrayRef<RawComment *> RawComments = Comments.getComments();
+ assert(std::is_sorted(RawComments.begin(), RawComments.end(),
+ BeforeThanCompare<RawComment>(SourceMgr)));
+#endif
+
+ CommentsLoaded = true;
+ }
+
+ ArrayRef<RawComment *> RawComments = Comments.getComments();
+ // If there are no comments anywhere, we won't find anything.
+ if (RawComments.empty())
+ return nullptr;
+
// Find the comment that occurs just after this declaration.
ArrayRef<RawComment *>::iterator Comment;
{
@@ -238,12 +228,11 @@ RawComment *ASTContext::getRawCommentForDeclNoCache(const Decl *D) const {
if (Found) {
Comment = MaybeBeforeDecl + 1;
- assert(Comment == std::lower_bound(RawComments.begin(), RawComments.end(),
- &CommentAtDeclLoc, Compare));
+ assert(Comment ==
+ llvm::lower_bound(RawComments, &CommentAtDeclLoc, Compare));
} else {
// Slow path.
- Comment = std::lower_bound(RawComments.begin(), RawComments.end(),
- &CommentAtDeclLoc, Compare);
+ Comment = llvm::lower_bound(RawComments, &CommentAtDeclLoc, Compare);
}
}
@@ -265,6 +254,7 @@ RawComment *ASTContext::getRawCommentForDeclNoCache(const Decl *D) const {
SourceMgr.getLineNumber(DeclLocDecomp.first, DeclLocDecomp.second)
== SourceMgr.getLineNumber(CommentBeginDecomp.first,
CommentBeginDecomp.second)) {
+ (**Comment).setAttached();
return *Comment;
}
}
@@ -306,6 +296,7 @@ RawComment *ASTContext::getRawCommentForDeclNoCache(const Decl *D) const {
if (Text.find_first_of(";{}#@") != StringRef::npos)
return nullptr;
+ (**Comment).setAttached();
return *Comment;
}
@@ -835,6 +826,9 @@ ASTContext::~ASTContext() {
for (const auto &Value : ModuleInitializers)
Value.second->~PerModuleInitializers();
+
+ for (APValue *Value : APValueCleanups)
+ Value->~APValue();
}
class ASTContext::ParentMap {
@@ -913,7 +907,7 @@ void ASTContext::setTraversalScope(const std::vector<Decl *> &TopLevelDecls) {
Parents.reset();
}
-void ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) {
+void ASTContext::AddDeallocation(void (*Callback)(void *), void *Data) const {
Deallocations.push_back({Callback, Data});
}
@@ -1391,24 +1385,6 @@ ASTContext::setTemplateOrSpecializationInfo(VarDecl *Inst,
TemplateOrInstantiation[Inst] = TSI;
}
-FunctionDecl *ASTContext::getClassScopeSpecializationPattern(
- const FunctionDecl *FD){
- assert(FD && "Specialization is 0");
- llvm::DenseMap<const FunctionDecl*, FunctionDecl *>::const_iterator Pos
- = ClassScopeSpecializationPattern.find(FD);
- if (Pos == ClassScopeSpecializationPattern.end())
- return nullptr;
-
- return Pos->second;
-}
-
-void ASTContext::setClassScopeSpecializationPattern(FunctionDecl *FD,
- FunctionDecl *Pattern) {
- assert(FD && "Specialization is 0");
- assert(Pattern && "Class scope specialization pattern is 0");
- ClassScopeSpecializationPattern[FD] = Pattern;
-}
-
NamedDecl *
ASTContext::getInstantiatedFromUsingDecl(NamedDecl *UUD) {
auto Pos = InstantiatedFromUsingDecl.find(UUD);
@@ -1548,8 +1524,14 @@ const llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const {
return Target->getHalfFormat();
case BuiltinType::Float: return Target->getFloatFormat();
case BuiltinType::Double: return Target->getDoubleFormat();
- case BuiltinType::LongDouble: return Target->getLongDoubleFormat();
- case BuiltinType::Float128: return Target->getFloat128Format();
+ case BuiltinType::LongDouble:
+ if (getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice)
+ return AuxTarget->getLongDoubleFormat();
+ return Target->getLongDoubleFormat();
+ case BuiltinType::Float128:
+ if (getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice)
+ return AuxTarget->getFloat128Format();
+ return Target->getFloat128Format();
}
}
@@ -1610,8 +1592,10 @@ CharUnits ASTContext::getDeclAlign(const Decl *D, bool ForAlignof) const {
if (BaseT.getQualifiers().hasUnaligned())
Align = Target->getCharWidth();
if (const auto *VD = dyn_cast<VarDecl>(D)) {
- if (VD->hasGlobalStorage() && !ForAlignof)
- Align = std::max(Align, getTargetInfo().getMinGlobalAlign());
+ if (VD->hasGlobalStorage() && !ForAlignof) {
+ uint64_t TypeSize = getTypeSize(T.getTypePtr());
+ Align = std::max(Align, getTargetInfo().getMinGlobalAlign(TypeSize));
+ }
}
}
@@ -1916,8 +1900,16 @@ TypeInfo ASTContext::getTypeInfoImpl(const Type *T) const {
break;
case BuiltinType::Float16:
case BuiltinType::Half:
- Width = Target->getHalfWidth();
- Align = Target->getHalfAlign();
+ if (Target->hasFloat16Type() || !getLangOpts().OpenMP ||
+ !getLangOpts().OpenMPIsDevice) {
+ Width = Target->getHalfWidth();
+ Align = Target->getHalfAlign();
+ } else {
+ assert(getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice &&
+ "Expected OpenMP device compilation.");
+ Width = AuxTarget->getHalfWidth();
+ Align = AuxTarget->getHalfAlign();
+ }
break;
case BuiltinType::Float:
Width = Target->getFloatWidth();
@@ -1928,12 +1920,27 @@ TypeInfo ASTContext::getTypeInfoImpl(const Type *T) const {
Align = Target->getDoubleAlign();
break;
case BuiltinType::LongDouble:
- Width = Target->getLongDoubleWidth();
- Align = Target->getLongDoubleAlign();
+ if (getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice &&
+ (Target->getLongDoubleWidth() != AuxTarget->getLongDoubleWidth() ||
+ Target->getLongDoubleAlign() != AuxTarget->getLongDoubleAlign())) {
+ Width = AuxTarget->getLongDoubleWidth();
+ Align = AuxTarget->getLongDoubleAlign();
+ } else {
+ Width = Target->getLongDoubleWidth();
+ Align = Target->getLongDoubleAlign();
+ }
break;
case BuiltinType::Float128:
- Width = Target->getFloat128Width();
- Align = Target->getFloat128Align();
+ if (Target->hasFloat128Type() || !getLangOpts().OpenMP ||
+ !getLangOpts().OpenMPIsDevice) {
+ Width = Target->getFloat128Width();
+ Align = Target->getFloat128Align();
+ } else {
+ assert(getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice &&
+ "Expected OpenMP device compilation.");
+ Width = AuxTarget->getFloat128Width();
+ Align = AuxTarget->getFloat128Align();
+ }
break;
case BuiltinType::NullPtr:
Width = Target->getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t)
@@ -2057,6 +2064,10 @@ TypeInfo ASTContext::getTypeInfoImpl(const Type *T) const {
case Type::Paren:
return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr());
+ case Type::MacroQualified:
+ return getTypeInfo(
+ cast<MacroQualifiedType>(T)->getUnderlyingType().getTypePtr());
+
case Type::ObjCTypeParam:
return getTypeInfo(cast<ObjCTypeParamType>(T)->desugar().getTypePtr());
@@ -2134,7 +2145,7 @@ unsigned ASTContext::getTypeUnadjustedAlign(const Type *T) const {
const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl());
UnadjustedAlign = toBits(Layout.getUnadjustedAlignment());
} else {
- UnadjustedAlign = getTypeAlign(T);
+ UnadjustedAlign = getTypeAlign(T->getUnqualifiedDesugaredType());
}
MemoizedUnadjustedAlign[T] = UnadjustedAlign;
@@ -2233,7 +2244,8 @@ unsigned ASTContext::getTargetDefaultAlignForAttributeAligned() const {
/// getAlignOfGlobalVar - Return the alignment in bits that should be given
/// to a global variable of the specified type.
unsigned ASTContext::getAlignOfGlobalVar(QualType T) const {
- return std::max(getTypeAlign(T), getTargetInfo().getMinGlobalAlign());
+ uint64_t TypeSize = getTypeSize(T.getTypePtr());
+ return std::max(getTypeAlign(T), getTargetInfo().getMinGlobalAlign(TypeSize));
}
/// getAlignOfGlobalVarInChars - Return the alignment in characters that
@@ -2574,7 +2586,7 @@ ASTContext::getBlockVarCopyInit(const VarDecl*VD) const {
return {nullptr, false};
}
-/// Set the copy inialization expression of a block var decl.
+/// Set the copy initialization expression of a block var decl.
void ASTContext::setBlockVarCopyInit(const VarDecl*VD, Expr *CopyExpr,
bool CanThrow) {
assert(VD && CopyExpr && "Passed null params");
@@ -2763,6 +2775,12 @@ QualType ASTContext::getFunctionTypeWithExceptionSpec(
return getParenType(
getFunctionTypeWithExceptionSpec(PT->getInnerType(), ESI));
+ // Might be wrapped in a macro qualified type.
+ if (const auto *MQT = dyn_cast<MacroQualifiedType>(Orig))
+ return getMacroQualifiedType(
+ getFunctionTypeWithExceptionSpec(MQT->getUnderlyingType(), ESI),
+ MQT->getMacroIdentifier());
+
// Might have a calling-convention attribute.
if (const auto *AT = dyn_cast<AttributedType>(Orig))
return getAttributedType(
@@ -2772,7 +2790,7 @@ QualType ASTContext::getFunctionTypeWithExceptionSpec(
// Anything else must be a function type. Rebuild it with the new exception
// specification.
- const auto *Proto = cast<FunctionProtoType>(Orig);
+ const auto *Proto = Orig->getAs<FunctionProtoType>();
return getFunctionType(
Proto->getReturnType(), Proto->getParamTypes(),
Proto->getExtProtoInfo().withExceptionSpec(ESI));
@@ -3739,7 +3757,10 @@ QualType ASTContext::getFunctionTypeInternal(
break;
}
- case EST_DynamicNone: case EST_BasicNoexcept: case EST_NoexceptTrue:
+ case EST_DynamicNone:
+ case EST_BasicNoexcept:
+ case EST_NoexceptTrue:
+ case EST_NoThrow:
CanonicalEPI.ExceptionSpec.Type = EST_BasicNoexcept;
break;
@@ -3938,7 +3959,7 @@ QualType ASTContext::getAttributedType(attr::Kind attrKind,
QualType canon = getCanonicalType(equivalentType);
type = new (*this, TypeAlignment)
- AttributedType(canon, attrKind, modifiedType, equivalentType);
+ AttributedType(canon, attrKind, modifiedType, equivalentType);
Types.push_back(type);
AttributedTypes.InsertNode(type, insertPos);
@@ -4219,6 +4240,19 @@ ASTContext::getParenType(QualType InnerType) const {
return QualType(T, 0);
}
+QualType
+ASTContext::getMacroQualifiedType(QualType UnderlyingTy,
+ const IdentifierInfo *MacroII) const {
+ QualType Canon = UnderlyingTy;
+ if (!Canon.isCanonical())
+ Canon = getCanonicalType(UnderlyingTy);
+
+ auto *newType = new (*this, TypeAlignment)
+ MacroQualifiedType(UnderlyingTy, Canon, MacroII);
+ Types.push_back(newType);
+ return QualType(newType, 0);
+}
+
QualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword,
NestedNameSpecifier *NNS,
const IdentifierInfo *Name,
@@ -4356,7 +4390,13 @@ QualType ASTContext::getPackExpansionType(QualType Pattern,
llvm::FoldingSetNodeID ID;
PackExpansionType::Profile(ID, Pattern, NumExpansions);
- assert(Pattern->containsUnexpandedParameterPack() &&
+ // A deduced type can deduce to a pack, eg
+ // auto ...x = some_pack;
+ // That declaration isn't (yet) valid, but is created as part of building an
+ // init-capture pack:
+ // [...x = some_pack] {}
+ assert((Pattern->containsUnexpandedParameterPack() ||
+ Pattern->getContainedDeducedType()) &&
"Pack expansions must expand one or more parameter packs");
void *InsertPos = nullptr;
PackExpansionType *T
@@ -4856,19 +4896,20 @@ QualType ASTContext::getUnaryTransformType(QualType BaseType,
/// deduced to the given type, or to the canonical undeduced 'auto' type, or the
/// canonical deduced-but-dependent 'auto' type.
QualType ASTContext::getAutoType(QualType DeducedType, AutoTypeKeyword Keyword,
- bool IsDependent) const {
+ bool IsDependent, bool IsPack) const {
+ assert((!IsPack || IsDependent) && "only use IsPack for a dependent pack");
if (DeducedType.isNull() && Keyword == AutoTypeKeyword::Auto && !IsDependent)
return getAutoDeductType();
// Look in the folding set for an existing type.
void *InsertPos = nullptr;
llvm::FoldingSetNodeID ID;
- AutoType::Profile(ID, DeducedType, Keyword, IsDependent);
+ AutoType::Profile(ID, DeducedType, Keyword, IsDependent, IsPack);
if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos))
return QualType(AT, 0);
auto *AT = new (*this, TypeAlignment)
- AutoType(DeducedType, Keyword, IsDependent);
+ AutoType(DeducedType, Keyword, IsDependent, IsPack);
Types.push_back(AT);
if (InsertPos)
AutoTypes.InsertNode(AT, InsertPos);
@@ -4930,7 +4971,7 @@ QualType ASTContext::getAutoDeductType() const {
if (AutoDeductTy.isNull())
AutoDeductTy = QualType(
new (*this, TypeAlignment) AutoType(QualType(), AutoTypeKeyword::Auto,
- /*dependent*/false),
+ /*dependent*/false, /*pack*/false),
0);
return AutoDeductTy;
}
@@ -5218,6 +5259,11 @@ ASTContext::getNameForTemplate(TemplateName Name,
return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc);
}
+ case TemplateName::AssumedTemplate: {
+ AssumedTemplateStorage *Storage = Name.getAsAssumedTemplateName();
+ return DeclarationNameInfo(Storage->getDeclName(), NameLoc);
+ }
+
case TemplateName::DependentTemplate: {
DependentTemplateName *DTN = Name.getAsDependentTemplateName();
DeclarationName DName;
@@ -5265,7 +5311,8 @@ TemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const {
}
case TemplateName::OverloadedTemplate:
- llvm_unreachable("cannot canonicalize overloaded template");
+ case TemplateName::AssumedTemplate:
+ llvm_unreachable("cannot canonicalize unresolved template");
case TemplateName::DependentTemplate: {
DependentTemplateName *DTN = Name.getAsDependentTemplateName();
@@ -5609,6 +5656,12 @@ int ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const {
return -1;
}
+int ASTContext::getFloatingTypeSemanticOrder(QualType LHS, QualType RHS) const {
+ if (&getFloatTypeSemantics(LHS) == &getFloatTypeSemantics(RHS))
+ return 0;
+ return getFloatingTypeOrder(LHS, RHS);
+}
+
/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This
/// routine will assert if passed a built-in type that isn't an integer or enum,
/// or if it is not canonicalized.
@@ -6283,12 +6336,13 @@ void ASTContext::getObjCEncodingForMethodParameter(Decl::ObjCDeclQualifier QT,
// Encode type qualifer, 'in', 'inout', etc. for the parameter.
getObjCEncodingForTypeQualifier(QT, S);
// Encode parameter type.
- getObjCEncodingForTypeImpl(T, S, true, true, nullptr,
- true /*OutermostType*/,
- false /*EncodingProperty*/,
- false /*StructField*/,
- Extended /*EncodeBlockParameters*/,
- Extended /*EncodeClassNames*/);
+ ObjCEncOptions Options = ObjCEncOptions()
+ .setExpandPointedToStructures()
+ .setExpandStructures()
+ .setIsOutermostType();
+ if (Extended)
+ Options.setEncodeBlockParameters().setEncodeClassNames();
+ getObjCEncodingForTypeImpl(T, S, Options, /*Field=*/nullptr);
}
/// getObjCEncodingForMethodDecl - Return the encoded type for this method
@@ -6480,9 +6534,12 @@ void ASTContext::getObjCEncodingForType(QualType T, std::string& S,
// directly pointed to, and expanding embedded structures. Note that
// these rules are sufficient to prevent recursive encoding of the
// same type.
- getObjCEncodingForTypeImpl(T, S, true, true, Field,
- true /* outermost type */, false, false,
- false, false, false, NotEncodedT);
+ getObjCEncodingForTypeImpl(T, S,
+ ObjCEncOptions()
+ .setExpandPointedToStructures()
+ .setExpandStructures()
+ .setIsOutermostType(),
+ Field, NotEncodedT);
}
void ASTContext::getObjCEncodingForPropertyType(QualType T,
@@ -6490,9 +6547,13 @@ void ASTContext::getObjCEncodingForPropertyType(QualType T,
// Encode result type.
// GCC has some special rules regarding encoding of properties which
// closely resembles encoding of ivars.
- getObjCEncodingForTypeImpl(T, S, true, true, nullptr,
- true /* outermost type */,
- true /* encoding property */);
+ getObjCEncodingForTypeImpl(T, S,
+ ObjCEncOptions()
+ .setExpandPointedToStructures()
+ .setExpandStructures()
+ .setIsOutermostType()
+ .setEncodingProperty(),
+ /*Field=*/nullptr);
}
static char getObjCEncodingForPrimitiveKind(const ASTContext *C,
@@ -6639,16 +6700,9 @@ static void EncodeBitField(const ASTContext *Ctx, std::string& S,
}
// FIXME: Use SmallString for accumulating string.
-void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
- bool ExpandPointedToStructures,
- bool ExpandStructures,
+void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string &S,
+ const ObjCEncOptions Options,
const FieldDecl *FD,
- bool OutermostType,
- bool EncodingProperty,
- bool StructField,
- bool EncodeBlockParameters,
- bool EncodeClassNames,
- bool EncodePointerToObjCTypedef,
QualType *NotEncodedT) const {
CanQualType CT = getCanonicalType(T);
switch (CT->getTypeClass()) {
@@ -6665,14 +6719,16 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
case Type::Complex: {
const auto *CT = T->castAs<ComplexType>();
S += 'j';
- getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, nullptr);
+ getObjCEncodingForTypeImpl(CT->getElementType(), S, ObjCEncOptions(),
+ /*Field=*/nullptr);
return;
}
case Type::Atomic: {
const auto *AT = T->castAs<AtomicType>();
S += 'A';
- getObjCEncodingForTypeImpl(AT->getValueType(), S, false, false, nullptr);
+ getObjCEncodingForTypeImpl(AT->getValueType(), S, ObjCEncOptions(),
+ /*Field=*/nullptr);
return;
}
@@ -6698,11 +6754,11 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
// the pointer itself gets ignored, _unless_ we are looking at a typedef!
// Also, do not emit the 'r' for anything but the outermost type!
if (isa<TypedefType>(T.getTypePtr())) {
- if (OutermostType && T.isConstQualified()) {
+ if (Options.IsOutermostType() && T.isConstQualified()) {
isReadOnly = true;
S += 'r';
}
- } else if (OutermostType) {
+ } else if (Options.IsOutermostType()) {
QualType P = PointeeTy;
while (P->getAs<PointerType>())
P = P->getAs<PointerType>()->getPointeeType();
@@ -6742,9 +6798,11 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
S += '^';
getLegacyIntegralTypeEncoding(PointeeTy);
- getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures,
- nullptr, false, false, false, false, false, false,
- NotEncodedT);
+ ObjCEncOptions NewOptions;
+ if (Options.ExpandPointedToStructures())
+ NewOptions.setExpandStructures();
+ getObjCEncodingForTypeImpl(PointeeTy, S, NewOptions,
+ /*Field=*/nullptr, NotEncodedT);
return;
}
@@ -6753,12 +6811,13 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
case Type::VariableArray: {
const auto *AT = cast<ArrayType>(CT);
- if (isa<IncompleteArrayType>(AT) && !StructField) {
+ if (isa<IncompleteArrayType>(AT) && !Options.IsStructField()) {
// Incomplete arrays are encoded as a pointer to the array element.
S += '^';
- getObjCEncodingForTypeImpl(AT->getElementType(), S,
- false, ExpandStructures, FD);
+ getObjCEncodingForTypeImpl(
+ AT->getElementType(), S,
+ Options.keepingOnly(ObjCEncOptions().setExpandStructures()), FD);
} else {
S += '[';
@@ -6771,10 +6830,10 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
S += '0';
}
- getObjCEncodingForTypeImpl(AT->getElementType(), S,
- false, ExpandStructures, FD,
- false, false, false, false, false, false,
- NotEncodedT);
+ getObjCEncodingForTypeImpl(
+ AT->getElementType(), S,
+ Options.keepingOnly(ObjCEncOptions().setExpandStructures()), FD,
+ NotEncodedT);
S += ']';
}
return;
@@ -6800,7 +6859,7 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
} else {
S += '?';
}
- if (ExpandStructures) {
+ if (Options.ExpandStructures()) {
S += '=';
if (!RDecl->isUnion()) {
getObjCEncodingForStructureImpl(RDecl, S, FD, true, NotEncodedT);
@@ -6814,16 +6873,16 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
// Special case bit-fields.
if (Field->isBitField()) {
- getObjCEncodingForTypeImpl(Field->getType(), S, false, true,
+ getObjCEncodingForTypeImpl(Field->getType(), S,
+ ObjCEncOptions().setExpandStructures(),
Field);
} else {
QualType qt = Field->getType();
getLegacyIntegralTypeEncoding(qt);
- getObjCEncodingForTypeImpl(qt, S, false, true,
- FD, /*OutermostType*/false,
- /*EncodingProperty*/false,
- /*StructField*/true,
- false, false, false, NotEncodedT);
+ getObjCEncodingForTypeImpl(
+ qt, S,
+ ObjCEncOptions().setExpandStructures().setIsStructField(), FD,
+ NotEncodedT);
}
}
}
@@ -6835,26 +6894,20 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
case Type::BlockPointer: {
const auto *BT = T->castAs<BlockPointerType>();
S += "@?"; // Unlike a pointer-to-function, which is "^?".
- if (EncodeBlockParameters) {
+ if (Options.EncodeBlockParameters()) {
const auto *FT = BT->getPointeeType()->castAs<FunctionType>();
S += '<';
// Block return type
- getObjCEncodingForTypeImpl(
- FT->getReturnType(), S, ExpandPointedToStructures, ExpandStructures,
- FD, false /* OutermostType */, EncodingProperty,
- false /* StructField */, EncodeBlockParameters, EncodeClassNames, false,
- NotEncodedT);
+ getObjCEncodingForTypeImpl(FT->getReturnType(), S,
+ Options.forComponentType(), FD, NotEncodedT);
// Block self
S += "@?";
// Block parameters
if (const auto *FPT = dyn_cast<FunctionProtoType>(FT)) {
for (const auto &I : FPT->param_types())
- getObjCEncodingForTypeImpl(
- I, S, ExpandPointedToStructures, ExpandStructures, FD,
- false /* OutermostType */, EncodingProperty,
- false /* StructField */, EncodeBlockParameters, EncodeClassNames,
- false, NotEncodedT);
+ getObjCEncodingForTypeImpl(I, S, Options.forComponentType(), FD,
+ NotEncodedT);
}
S += '>';
}
@@ -6882,18 +6935,19 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
ObjCInterfaceDecl *OI = T->castAs<ObjCObjectType>()->getInterface();
S += '{';
S += OI->getObjCRuntimeNameAsString();
- if (ExpandStructures) {
+ if (Options.ExpandStructures()) {
S += '=';
SmallVector<const ObjCIvarDecl*, 32> Ivars;
DeepCollectObjCIvars(OI, true, Ivars);
for (unsigned i = 0, e = Ivars.size(); i != e; ++i) {
const FieldDecl *Field = Ivars[i];
if (Field->isBitField())
- getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field);
+ getObjCEncodingForTypeImpl(Field->getType(), S,
+ ObjCEncOptions().setExpandStructures(),
+ Field);
else
- getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD,
- false, false, false, false, false,
- EncodePointerToObjCTypedef,
+ getObjCEncodingForTypeImpl(Field->getType(), S,
+ ObjCEncOptions().setExpandStructures(), FD,
NotEncodedT);
}
}
@@ -6910,17 +6964,20 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) {
// FIXME: Consider if we need to output qualifiers for 'Class<p>'.
- // Since this is a binary compatibility issue, need to consult with runtime
- // folks. Fortunately, this is a *very* obscure construct.
+ // Since this is a binary compatibility issue, need to consult with
+ // runtime folks. Fortunately, this is a *very* obscure construct.
S += '#';
return;
}
if (OPT->isObjCQualifiedIdType()) {
- getObjCEncodingForTypeImpl(getObjCIdType(), S,
- ExpandPointedToStructures,
- ExpandStructures, FD);
- if (FD || EncodingProperty || EncodeClassNames) {
+ getObjCEncodingForTypeImpl(
+ getObjCIdType(), S,
+ Options.keepingOnly(ObjCEncOptions()
+ .setExpandPointedToStructures()
+ .setExpandStructures()),
+ FD);
+ if (FD || Options.EncodingProperty() || Options.EncodeClassNames()) {
// Note that we do extended encoding of protocol qualifer list
// Only when doing ivar or property encoding.
S += '"';
@@ -6934,39 +6991,9 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
return;
}
- QualType PointeeTy = OPT->getPointeeType();
- if (!EncodingProperty &&
- isa<TypedefType>(PointeeTy.getTypePtr()) &&
- !EncodePointerToObjCTypedef) {
- // Another historical/compatibility reason.
- // We encode the underlying type which comes out as
- // {...};
- S += '^';
- if (FD && OPT->getInterfaceDecl()) {
- // Prevent recursive encoding of fields in some rare cases.
- ObjCInterfaceDecl *OI = OPT->getInterfaceDecl();
- SmallVector<const ObjCIvarDecl*, 32> Ivars;
- DeepCollectObjCIvars(OI, true, Ivars);
- for (unsigned i = 0, e = Ivars.size(); i != e; ++i) {
- if (Ivars[i] == FD) {
- S += '{';
- S += OI->getObjCRuntimeNameAsString();
- S += '}';
- return;
- }
- }
- }
- getObjCEncodingForTypeImpl(PointeeTy, S,
- false, ExpandPointedToStructures,
- nullptr,
- false, false, false, false, false,
- /*EncodePointerToObjCTypedef*/true);
- return;
- }
-
S += '@';
if (OPT->getInterfaceDecl() &&
- (FD || EncodingProperty || EncodeClassNames)) {
+ (FD || Options.EncodingProperty() || Options.EncodeClassNames())) {
S += '"';
S += OPT->getInterfaceDecl()->getObjCRuntimeNameAsString();
for (const auto *I : OPT->quals()) {
@@ -6980,7 +7007,7 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
}
// gcc just blithely ignores member pointers.
- // FIXME: we shoul do better than that. 'M' is available.
+ // FIXME: we should do better than that. 'M' is available.
case Type::MemberPointer:
// This matches gcc's encoding, even though technically it is insufficient.
//FIXME. We should do a better job than gcc.
@@ -7142,11 +7169,9 @@ void ASTContext::getObjCEncodingForStructureImpl(RecordDecl *RDecl,
} else {
QualType qt = field->getType();
getLegacyIntegralTypeEncoding(qt);
- getObjCEncodingForTypeImpl(qt, S, false, true, FD,
- /*OutermostType*/false,
- /*EncodingProperty*/false,
- /*StructField*/true,
- false, false, false, NotEncodedT);
+ getObjCEncodingForTypeImpl(
+ qt, S, ObjCEncOptions().setExpandStructures().setIsStructField(),
+ FD, NotEncodedT);
#ifndef NDEBUG
CurOffs += getTypeSize(field->getType());
#endif
@@ -7606,6 +7631,13 @@ ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin,
return TemplateName(OT);
}
+/// Retrieve a template name representing an unqualified-id that has been
+/// assumed to name a template for ADL purposes.
+TemplateName ASTContext::getAssumedTemplateName(DeclarationName Name) const {
+ auto *OT = new (*this) AssumedTemplateStorage(Name);
+ return TemplateName(OT);
+}
+
/// Retrieve the template name that represents a qualified
/// template name such as \c std::vector.
TemplateName
@@ -8581,7 +8613,7 @@ QualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs,
if (lproto->isVariadic() != rproto->isVariadic())
return {};
- if (lproto->getTypeQuals() != rproto->getTypeQuals())
+ if (lproto->getMethodQuals() != rproto->getMethodQuals())
return {};
SmallVector<FunctionProtoType::ExtParameterInfo, 4> newParamInfos;
@@ -9246,7 +9278,7 @@ static QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context,
// Read the prefixed modifiers first.
bool Done = false;
#ifndef NDEBUG
- bool IsSpecialLong = false;
+ bool IsSpecial = false;
#endif
while (!Done) {
switch (*Str++) {
@@ -9265,26 +9297,26 @@ static QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context,
Unsigned = true;
break;
case 'L':
- assert(!IsSpecialLong && "Can't use 'L' with 'W' or 'N' modifiers");
+ assert(!IsSpecial && "Can't use 'L' with 'W', 'N', 'Z' or 'O' modifiers");
assert(HowLong <= 2 && "Can't have LLLL modifier");
++HowLong;
break;
case 'N':
// 'N' behaves like 'L' for all non LP64 targets and 'int' otherwise.
- assert(!IsSpecialLong && "Can't use two 'N' or 'W' modifiers!");
+ assert(!IsSpecial && "Can't use two 'N', 'W', 'Z' or 'O' modifiers!");
assert(HowLong == 0 && "Can't use both 'L' and 'N' modifiers!");
#ifndef NDEBUG
- IsSpecialLong = true;
+ IsSpecial = true;
#endif
if (Context.getTargetInfo().getLongWidth() == 32)
++HowLong;
break;
case 'W':
// This modifier represents int64 type.
- assert(!IsSpecialLong && "Can't use two 'N' or 'W' modifiers!");
+ assert(!IsSpecial && "Can't use two 'N', 'W', 'Z' or 'O' modifiers!");
assert(HowLong == 0 && "Can't use both 'L' and 'W' modifiers!");
#ifndef NDEBUG
- IsSpecialLong = true;
+ IsSpecial = true;
#endif
switch (Context.getTargetInfo().getInt64Type()) {
default:
@@ -9297,6 +9329,38 @@ static QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context,
break;
}
break;
+ case 'Z':
+ // This modifier represents int32 type.
+ assert(!IsSpecial && "Can't use two 'N', 'W', 'Z' or 'O' modifiers!");
+ assert(HowLong == 0 && "Can't use both 'L' and 'Z' modifiers!");
+ #ifndef NDEBUG
+ IsSpecial = true;
+ #endif
+ switch (Context.getTargetInfo().getIntTypeByWidth(32, true)) {
+ default:
+ llvm_unreachable("Unexpected integer type");
+ case TargetInfo::SignedInt:
+ HowLong = 0;
+ break;
+ case TargetInfo::SignedLong:
+ HowLong = 1;
+ break;
+ case TargetInfo::SignedLongLong:
+ HowLong = 2;
+ break;
+ }
+ break;
+ case 'O':
+ assert(!IsSpecial && "Can't use two 'N', 'W', 'Z' or 'O' modifiers!");
+ assert(HowLong == 0 && "Can't use both 'L' and 'O' modifiers!");
+ #ifndef NDEBUG
+ IsSpecial = true;
+ #endif
+ if (Context.getLangOpts().OpenCL)
+ HowLong = 1;
+ else
+ HowLong = 2;
+ break;
}
}
@@ -9518,6 +9582,10 @@ QualType ASTContext::GetBuiltinType(unsigned Id,
GetBuiltinTypeError &Error,
unsigned *IntegerConstantArgs) const {
const char *TypeStr = BuiltinInfo.getTypeString(Id);
+ if (TypeStr[0] == '\0') {
+ Error = GE_Missing_type;
+ return {};
+ }
SmallVector<QualType, 8> ArgTypes;
@@ -9553,10 +9621,12 @@ QualType ASTContext::GetBuiltinType(unsigned Id,
assert((TypeStr[0] != '.' || TypeStr[1] == 0) &&
"'.' should only occur at end of builtin type list!");
- FunctionType::ExtInfo EI(CC_C);
+ bool Variadic = (TypeStr[0] == '.');
+
+ FunctionType::ExtInfo EI(getDefaultCallingConvention(
+ Variadic, /*IsCXXMethod=*/false, /*IsBuiltin=*/true));
if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true);
- bool Variadic = (TypeStr[0] == '.');
// We really shouldn't be making a no-proto type here.
if (ArgTypes.empty() && Variadic && !getLangOpts().CPlusPlus)
@@ -9784,12 +9854,12 @@ bool ASTContext::DeclMustBeEmitted(const Decl *D) {
return false;
} else if (isa<PragmaCommentDecl>(D))
return true;
- else if (isa<OMPThreadPrivateDecl>(D))
- return true;
else if (isa<PragmaDetectMismatchDecl>(D))
return true;
else if (isa<OMPThreadPrivateDecl>(D))
return !D->getDeclContext()->isDependentContext();
+ else if (isa<OMPAllocateDecl>(D))
+ return !D->getDeclContext()->isDependentContext();
else if (isa<OMPDeclareReductionDecl>(D))
return !D->getDeclContext()->isDependentContext();
else if (isa<ImportDecl>(D))
@@ -9931,34 +10001,39 @@ void ASTContext::forEachMultiversionedFunctionVersion(
}
CallingConv ASTContext::getDefaultCallingConvention(bool IsVariadic,
- bool IsCXXMethod) const {
+ bool IsCXXMethod,
+ bool IsBuiltin) const {
// Pass through to the C++ ABI object
if (IsCXXMethod)
return ABI->getDefaultMethodCallConv(IsVariadic);
- switch (LangOpts.getDefaultCallingConv()) {
- case LangOptions::DCC_None:
- break;
- case LangOptions::DCC_CDecl:
- return CC_C;
- case LangOptions::DCC_FastCall:
- if (getTargetInfo().hasFeature("sse2") && !IsVariadic)
- return CC_X86FastCall;
- break;
- case LangOptions::DCC_StdCall:
- if (!IsVariadic)
- return CC_X86StdCall;
- break;
- case LangOptions::DCC_VectorCall:
- // __vectorcall cannot be applied to variadic functions.
- if (!IsVariadic)
- return CC_X86VectorCall;
- break;
- case LangOptions::DCC_RegCall:
- // __regcall cannot be applied to variadic functions.
- if (!IsVariadic)
- return CC_X86RegCall;
- break;
+ // Builtins ignore user-specified default calling convention and remain the
+ // Target's default calling convention.
+ if (!IsBuiltin) {
+ switch (LangOpts.getDefaultCallingConv()) {
+ case LangOptions::DCC_None:
+ break;
+ case LangOptions::DCC_CDecl:
+ return CC_C;
+ case LangOptions::DCC_FastCall:
+ if (getTargetInfo().hasFeature("sse2") && !IsVariadic)
+ return CC_X86FastCall;
+ break;
+ case LangOptions::DCC_StdCall:
+ if (!IsVariadic)
+ return CC_X86StdCall;
+ break;
+ case LangOptions::DCC_VectorCall:
+ // __vectorcall cannot be applied to variadic functions.
+ if (!IsVariadic)
+ return CC_X86VectorCall;
+ break;
+ case LangOptions::DCC_RegCall:
+ // __regcall cannot be applied to variadic functions.
+ if (!IsVariadic)
+ return CC_X86RegCall;
+ break;
+ }
}
return Target->getDefaultCallingConv(TargetInfo::CCMT_Unknown);
}
@@ -9978,8 +10053,10 @@ VTableContextBase *ASTContext::getVTableContext() {
return VTContext.get();
}
-MangleContext *ASTContext::createMangleContext() {
- switch (Target->getCXXABI().getKind()) {
+MangleContext *ASTContext::createMangleContext(const TargetInfo *T) {
+ if (!T)
+ T = Target;
+ switch (T->getCXXABI().getKind()) {
case TargetCXXABI::GenericAArch64:
case TargetCXXABI::GenericItanium:
case TargetCXXABI::GenericARM:
@@ -10010,8 +10087,7 @@ size_t ASTContext::getSideTableAllocatedMemory() const {
llvm::capacity_in_bytes(InstantiatedFromUnnamedFieldDecl) +
llvm::capacity_in_bytes(OverriddenMethods) +
llvm::capacity_in_bytes(Types) +
- llvm::capacity_in_bytes(VariableArrayTypes) +
- llvm::capacity_in_bytes(ClassScopeSpecializationPattern);
+ llvm::capacity_in_bytes(VariableArrayTypes);
}
/// getIntTypeForBitwidth -
@@ -10140,6 +10216,31 @@ ASTContext::getMaterializedTemporaryValue(const MaterializeTemporaryExpr *E,
return MaterializedTemporaryValues.lookup(E);
}
+QualType ASTContext::getStringLiteralArrayType(QualType EltTy,
+ unsigned Length) const {
+ // A C++ string literal has a const-qualified element type (C++ 2.13.4p1).
+ if (getLangOpts().CPlusPlus || getLangOpts().ConstStrings)
+ EltTy = EltTy.withConst();
+
+ EltTy = adjustStringLiteralBaseType(EltTy);
+
+ // Get an array type for the string, according to C99 6.4.5. This includes
+ // the null terminator character.
+ return getConstantArrayType(EltTy, llvm::APInt(32, Length + 1),
+ ArrayType::Normal, /*IndexTypeQuals*/ 0);
+}
+
+StringLiteral *
+ASTContext::getPredefinedStringLiteralFromCache(StringRef Key) const {
+ StringLiteral *&Result = StringLiteralCache[Key];
+ if (!Result)
+ Result = StringLiteral::Create(
+ *this, Key, StringLiteral::Ascii,
+ /*Pascal*/ false, getStringLiteralArrayType(CharTy, Key.size()),
+ SourceLocation());
+ return Result;
+}
+
bool ASTContext::AtomicUsesUnsupportedLibcall(const AtomicExpr *E) const {
const llvm::Triple &T = getTargetInfo().getTriple();
if (!T.isOSDarwin())
@@ -10485,7 +10586,13 @@ unsigned char ASTContext::getFixedPointIBits(QualType Ty) const {
}
FixedPointSemantics ASTContext::getFixedPointSemantics(QualType Ty) const {
- assert(Ty->isFixedPointType());
+ assert((Ty->isFixedPointType() || Ty->isIntegerType()) &&
+ "Can only get the fixed point semantics for a "
+ "fixed point or integer type.");
+ if (Ty->isIntegerType())
+ return FixedPointSemantics::GetIntegerSemantics(getIntWidth(Ty),
+ Ty->isSignedIntegerType());
+
bool isSigned = Ty->isSignedFixedPointType();
return FixedPointSemantics(
static_cast<unsigned>(getTypeSize(Ty)), getFixedPointScale(Ty), isSigned,
@@ -10502,3 +10609,38 @@ APFixedPoint ASTContext::getFixedPointMin(QualType Ty) const {
assert(Ty->isFixedPointType());
return APFixedPoint::getMin(getFixedPointSemantics(Ty));
}
+
+QualType ASTContext::getCorrespondingSignedFixedPointType(QualType Ty) const {
+ assert(Ty->isUnsignedFixedPointType() &&
+ "Expected unsigned fixed point type");
+ const auto *BTy = Ty->getAs<BuiltinType>();
+
+ switch (BTy->getKind()) {
+ case BuiltinType::UShortAccum:
+ return ShortAccumTy;
+ case BuiltinType::UAccum:
+ return AccumTy;
+ case BuiltinType::ULongAccum:
+ return LongAccumTy;
+ case BuiltinType::SatUShortAccum:
+ return SatShortAccumTy;
+ case BuiltinType::SatUAccum:
+ return SatAccumTy;
+ case BuiltinType::SatULongAccum:
+ return SatLongAccumTy;
+ case BuiltinType::UShortFract:
+ return ShortFractTy;
+ case BuiltinType::UFract:
+ return FractTy;
+ case BuiltinType::ULongFract:
+ return LongFractTy;
+ case BuiltinType::SatUShortFract:
+ return SatShortFractTy;
+ case BuiltinType::SatUFract:
+ return SatFractTy;
+ case BuiltinType::SatULongFract:
+ return SatLongFractTy;
+ default:
+ llvm_unreachable("Unexpected unsigned fixed point type");
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-06 22:48:45 +0000