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-rw-r--r--contrib/llvm-project/clang/lib/AST/Decl.cpp242
1 files changed, 184 insertions, 58 deletions
diff --git a/contrib/llvm-project/clang/lib/AST/Decl.cpp b/contrib/llvm-project/clang/lib/AST/Decl.cpp
index aa74da006174..0d30f64b992e 100644
--- a/contrib/llvm-project/clang/lib/AST/Decl.cpp
+++ b/contrib/llvm-project/clang/lib/AST/Decl.cpp
@@ -16,6 +16,7 @@
#include "clang/AST/ASTDiagnostic.h"
#include "clang/AST/ASTLambda.h"
#include "clang/AST/ASTMutationListener.h"
+#include "clang/AST/Attr.h"
#include "clang/AST/CanonicalType.h"
#include "clang/AST/DeclBase.h"
#include "clang/AST/DeclCXX.h"
@@ -55,8 +56,8 @@
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/ErrorHandling.h"
@@ -901,6 +902,10 @@ LinkageComputer::getLVForNamespaceScopeDecl(const NamedDecl *D,
if (!isExternallyVisible(LV.getLinkage()))
return LinkageInfo(LV.getLinkage(), DefaultVisibility, false);
+ // Mark the symbols as hidden when compiling for the device.
+ if (Context.getLangOpts().OpenMP && Context.getLangOpts().OpenMPIsDevice)
+ LV.mergeVisibility(HiddenVisibility, /*newExplicit=*/false);
+
return LV;
}
@@ -1385,7 +1390,8 @@ LinkageInfo LinkageComputer::computeLVForDecl(const NamedDecl *D,
case Decl::CXXRecord: {
const auto *Record = cast<CXXRecordDecl>(D);
if (Record->isLambda()) {
- if (!Record->getLambdaManglingNumber()) {
+ if (Record->hasKnownLambdaInternalLinkage() ||
+ !Record->getLambdaManglingNumber()) {
// This lambda has no mangling number, so it's internal.
return getInternalLinkageFor(D);
}
@@ -1402,7 +1408,8 @@ LinkageInfo LinkageComputer::computeLVForDecl(const NamedDecl *D,
// };
const CXXRecordDecl *OuterMostLambda =
getOutermostEnclosingLambda(Record);
- if (!OuterMostLambda->getLambdaManglingNumber())
+ if (OuterMostLambda->hasKnownLambdaInternalLinkage() ||
+ !OuterMostLambda->getLambdaManglingNumber())
return getInternalLinkageFor(D);
return getLVForClosure(
@@ -1558,6 +1565,24 @@ void NamedDecl::printQualifiedName(raw_ostream &OS) const {
void NamedDecl::printQualifiedName(raw_ostream &OS,
const PrintingPolicy &P) const {
+ if (getDeclContext()->isFunctionOrMethod()) {
+ // We do not print '(anonymous)' for function parameters without name.
+ printName(OS);
+ return;
+ }
+ printNestedNameSpecifier(OS, P);
+ if (getDeclName() || isa<DecompositionDecl>(this))
+ OS << *this;
+ else
+ OS << "(anonymous)";
+}
+
+void NamedDecl::printNestedNameSpecifier(raw_ostream &OS) const {
+ printNestedNameSpecifier(OS, getASTContext().getPrintingPolicy());
+}
+
+void NamedDecl::printNestedNameSpecifier(raw_ostream &OS,
+ const PrintingPolicy &P) const {
const DeclContext *Ctx = getDeclContext();
// For ObjC methods and properties, look through categories and use the
@@ -1571,10 +1596,8 @@ void NamedDecl::printQualifiedName(raw_ostream &OS,
Ctx = ID;
}
- if (Ctx->isFunctionOrMethod()) {
- printName(OS);
+ if (Ctx->isFunctionOrMethod())
return;
- }
using ContextsTy = SmallVector<const DeclContext *, 8>;
ContextsTy Contexts;
@@ -1644,11 +1667,6 @@ void NamedDecl::printQualifiedName(raw_ostream &OS,
}
OS << "::";
}
-
- if (getDeclName() || isa<DecompositionDecl>(this))
- OS << *this;
- else
- OS << "(anonymous)";
}
void NamedDecl::getNameForDiagnostic(raw_ostream &OS,
@@ -1802,6 +1820,12 @@ SourceLocation DeclaratorDecl::getTypeSpecStartLoc() const {
return SourceLocation();
}
+SourceLocation DeclaratorDecl::getTypeSpecEndLoc() const {
+ TypeSourceInfo *TSI = getTypeSourceInfo();
+ if (TSI) return TSI->getTypeLoc().getEndLoc();
+ return SourceLocation();
+}
+
void DeclaratorDecl::setQualifierInfo(NestedNameSpecifierLoc QualifierLoc) {
if (QualifierLoc) {
// Make sure the extended decl info is allocated.
@@ -1815,23 +1839,27 @@ void DeclaratorDecl::setQualifierInfo(NestedNameSpecifierLoc QualifierLoc) {
}
// Set qualifier info.
getExtInfo()->QualifierLoc = QualifierLoc;
- } else {
+ } else if (hasExtInfo()) {
// Here Qualifier == 0, i.e., we are removing the qualifier (if any).
- if (hasExtInfo()) {
- if (getExtInfo()->NumTemplParamLists == 0) {
- // Save type source info pointer.
- TypeSourceInfo *savedTInfo = getExtInfo()->TInfo;
- // Deallocate the extended decl info.
- getASTContext().Deallocate(getExtInfo());
- // Restore savedTInfo into (non-extended) decl info.
- DeclInfo = savedTInfo;
- }
- else
- getExtInfo()->QualifierLoc = QualifierLoc;
- }
+ getExtInfo()->QualifierLoc = QualifierLoc;
}
}
+void DeclaratorDecl::setTrailingRequiresClause(Expr *TrailingRequiresClause) {
+ assert(TrailingRequiresClause);
+ // Make sure the extended decl info is allocated.
+ if (!hasExtInfo()) {
+ // Save (non-extended) type source info pointer.
+ auto *savedTInfo = DeclInfo.get<TypeSourceInfo*>();
+ // Allocate external info struct.
+ DeclInfo = new (getASTContext()) ExtInfo;
+ // Restore savedTInfo into (extended) decl info.
+ getExtInfo()->TInfo = savedTInfo;
+ }
+ // Set requires clause info.
+ getExtInfo()->TrailingRequiresClause = TrailingRequiresClause;
+}
+
void DeclaratorDecl::setTemplateParameterListsInfo(
ASTContext &Context, ArrayRef<TemplateParameterList *> TPLists) {
assert(!TPLists.empty());
@@ -2220,6 +2248,22 @@ Stmt **VarDecl::getInitAddress() {
return Init.getAddrOfPtr1();
}
+VarDecl *VarDecl::getInitializingDeclaration() {
+ VarDecl *Def = nullptr;
+ for (auto I : redecls()) {
+ if (I->hasInit())
+ return I;
+
+ if (I->isThisDeclarationADefinition()) {
+ if (isStaticDataMember())
+ return I;
+ else
+ Def = I;
+ }
+ }
+ return Def;
+}
+
bool VarDecl::isOutOfLine() const {
if (Decl::isOutOfLine())
return true;
@@ -2565,6 +2609,18 @@ bool VarDecl::isNoDestroy(const ASTContext &Ctx) const {
!hasAttr<AlwaysDestroyAttr>()));
}
+QualType::DestructionKind
+VarDecl::needsDestruction(const ASTContext &Ctx) const {
+ if (EvaluatedStmt *Eval = Init.dyn_cast<EvaluatedStmt *>())
+ if (Eval->HasConstantDestruction)
+ return QualType::DK_none;
+
+ if (isNoDestroy(Ctx))
+ return QualType::DK_none;
+
+ return getType().isDestructedType();
+}
+
MemberSpecializationInfo *VarDecl::getMemberSpecializationInfo() const {
if (isStaticDataMember())
// FIXME: Remove ?
@@ -2725,10 +2781,11 @@ FunctionDecl::FunctionDecl(Kind DK, ASTContext &C, DeclContext *DC,
const DeclarationNameInfo &NameInfo, QualType T,
TypeSourceInfo *TInfo, StorageClass S,
bool isInlineSpecified,
- ConstexprSpecKind ConstexprKind)
+ ConstexprSpecKind ConstexprKind,
+ Expr *TrailingRequiresClause)
: DeclaratorDecl(DK, DC, NameInfo.getLoc(), NameInfo.getName(), T, TInfo,
StartLoc),
- DeclContext(DK), redeclarable_base(C), ODRHash(0),
+ DeclContext(DK), redeclarable_base(C), Body(), ODRHash(0),
EndRangeLoc(NameInfo.getEndLoc()), DNLoc(NameInfo.getInfo()) {
assert(T.isNull() || T->isFunctionType());
FunctionDeclBits.SClass = S;
@@ -2743,16 +2800,20 @@ FunctionDecl::FunctionDecl(Kind DK, ASTContext &C, DeclContext *DC,
FunctionDeclBits.IsTrivialForCall = false;
FunctionDeclBits.IsDefaulted = false;
FunctionDeclBits.IsExplicitlyDefaulted = false;
+ FunctionDeclBits.HasDefaultedFunctionInfo = false;
FunctionDeclBits.HasImplicitReturnZero = false;
FunctionDeclBits.IsLateTemplateParsed = false;
FunctionDeclBits.ConstexprKind = ConstexprKind;
FunctionDeclBits.InstantiationIsPending = false;
FunctionDeclBits.UsesSEHTry = false;
+ FunctionDeclBits.UsesFPIntrin = false;
FunctionDeclBits.HasSkippedBody = false;
FunctionDeclBits.WillHaveBody = false;
FunctionDeclBits.IsMultiVersion = false;
FunctionDeclBits.IsCopyDeductionCandidate = false;
FunctionDeclBits.HasODRHash = false;
+ if (TrailingRequiresClause)
+ setTrailingRequiresClause(TrailingRequiresClause);
}
void FunctionDecl::getNameForDiagnostic(
@@ -2769,6 +2830,32 @@ bool FunctionDecl::isVariadic() const {
return false;
}
+FunctionDecl::DefaultedFunctionInfo *
+FunctionDecl::DefaultedFunctionInfo::Create(ASTContext &Context,
+ ArrayRef<DeclAccessPair> Lookups) {
+ DefaultedFunctionInfo *Info = new (Context.Allocate(
+ totalSizeToAlloc<DeclAccessPair>(Lookups.size()),
+ std::max(alignof(DefaultedFunctionInfo), alignof(DeclAccessPair))))
+ DefaultedFunctionInfo;
+ Info->NumLookups = Lookups.size();
+ std::uninitialized_copy(Lookups.begin(), Lookups.end(),
+ Info->getTrailingObjects<DeclAccessPair>());
+ return Info;
+}
+
+void FunctionDecl::setDefaultedFunctionInfo(DefaultedFunctionInfo *Info) {
+ assert(!FunctionDeclBits.HasDefaultedFunctionInfo && "already have this");
+ assert(!Body && "can't replace function body with defaulted function info");
+
+ FunctionDeclBits.HasDefaultedFunctionInfo = true;
+ DefaultedInfo = Info;
+}
+
+FunctionDecl::DefaultedFunctionInfo *
+FunctionDecl::getDefaultedFunctionInfo() const {
+ return FunctionDeclBits.HasDefaultedFunctionInfo ? DefaultedInfo : nullptr;
+}
+
bool FunctionDecl::hasBody(const FunctionDecl *&Definition) const {
for (auto I : redecls()) {
if (I->doesThisDeclarationHaveABody()) {
@@ -2780,8 +2867,7 @@ bool FunctionDecl::hasBody(const FunctionDecl *&Definition) const {
return false;
}
-bool FunctionDecl::hasTrivialBody() const
-{
+bool FunctionDecl::hasTrivialBody() const {
Stmt *S = getBody();
if (!S) {
// Since we don't have a body for this function, we don't know if it's
@@ -2809,6 +2895,8 @@ Stmt *FunctionDecl::getBody(const FunctionDecl *&Definition) const {
if (!hasBody(Definition))
return nullptr;
+ assert(!Definition->FunctionDeclBits.HasDefaultedFunctionInfo &&
+ "definition should not have a body");
if (Definition->Body)
return Definition->Body.get(getASTContext().getExternalSource());
@@ -2816,7 +2904,8 @@ Stmt *FunctionDecl::getBody(const FunctionDecl *&Definition) const {
}
void FunctionDecl::setBody(Stmt *B) {
- Body = B;
+ FunctionDeclBits.HasDefaultedFunctionInfo = false;
+ Body = LazyDeclStmtPtr(B);
if (B)
EndRangeLoc = B->getEndLoc();
}
@@ -2950,14 +3039,21 @@ bool FunctionDecl::isReplaceableGlobalAllocationFunction(bool *IsAligned) const
Ty = Ty->getPointeeType();
if (Ty.getCVRQualifiers() != Qualifiers::Const)
return false;
- const CXXRecordDecl *RD = Ty->getAsCXXRecordDecl();
- if (RD && isNamed(RD, "nothrow_t") && RD->isInStdNamespace())
+ if (Ty->isNothrowT())
Consume();
}
return Params == FPT->getNumParams();
}
+bool FunctionDecl::isInlineBuiltinDeclaration() const {
+ if (!getBuiltinID())
+ return false;
+
+ const FunctionDecl *Definition;
+ return hasBody(Definition) && Definition->isInlineSpecified();
+}
+
bool FunctionDecl::isDestroyingOperatorDelete() const {
// C++ P0722:
// Within a class C, a single object deallocation function with signature
@@ -3075,10 +3171,17 @@ FunctionDecl *FunctionDecl::getCanonicalDecl() { return getFirstDecl(); }
/// functions as their wrapped builtins. This shouldn't be done in general, but
/// it's useful in Sema to diagnose calls to wrappers based on their semantics.
unsigned FunctionDecl::getBuiltinID(bool ConsiderWrapperFunctions) const {
- if (!getIdentifier())
- return 0;
+ unsigned BuiltinID;
+
+ if (const auto *AMAA = getAttr<ArmMveAliasAttr>()) {
+ BuiltinID = AMAA->getBuiltinName()->getBuiltinID();
+ } else {
+ if (!getIdentifier())
+ return 0;
+
+ BuiltinID = getIdentifier()->getBuiltinID();
+ }
- unsigned BuiltinID = getIdentifier()->getBuiltinID();
if (!BuiltinID)
return 0;
@@ -3102,7 +3205,8 @@ unsigned FunctionDecl::getBuiltinID(bool ConsiderWrapperFunctions) const {
// If the function is marked "overloadable", it has a different mangled name
// and is not the C library function.
- if (!ConsiderWrapperFunctions && hasAttr<OverloadableAttr>())
+ if (!ConsiderWrapperFunctions && hasAttr<OverloadableAttr>() &&
+ !hasAttr<ArmMveAliasAttr>())
return 0;
if (!Context.BuiltinInfo.isPredefinedLibFunction(BuiltinID))
@@ -3235,6 +3339,9 @@ bool FunctionDecl::doesDeclarationForceExternallyVisibleDefinition() const {
return true;
}
+ if (Context.getLangOpts().CPlusPlus)
+ return false;
+
if (Context.getLangOpts().GNUInline || hasAttr<GNUInlineAttr>()) {
// With GNU inlining, a declaration with 'inline' but not 'extern', forces
// an externally visible definition.
@@ -3247,9 +3354,9 @@ bool FunctionDecl::doesDeclarationForceExternallyVisibleDefinition() const {
const FunctionDecl *Prev = this;
bool FoundBody = false;
while ((Prev = Prev->getPreviousDecl())) {
- FoundBody |= Prev->Body.isValid();
+ FoundBody |= Prev->doesThisDeclarationHaveABody();
- if (Prev->Body) {
+ if (Prev->doesThisDeclarationHaveABody()) {
// If it's not the case that both 'inline' and 'extern' are
// specified on the definition, then it is always externally visible.
if (!Prev->isInlineSpecified() ||
@@ -3263,9 +3370,6 @@ bool FunctionDecl::doesDeclarationForceExternallyVisibleDefinition() const {
return FoundBody;
}
- if (Context.getLangOpts().CPlusPlus)
- return false;
-
// C99 6.7.4p6:
// [...] If all of the file scope declarations for a function in a
// translation unit include the inline function specifier without extern,
@@ -3275,19 +3379,21 @@ bool FunctionDecl::doesDeclarationForceExternallyVisibleDefinition() const {
const FunctionDecl *Prev = this;
bool FoundBody = false;
while ((Prev = Prev->getPreviousDecl())) {
- FoundBody |= Prev->Body.isValid();
+ FoundBody |= Prev->doesThisDeclarationHaveABody();
if (RedeclForcesDefC99(Prev))
return false;
}
return FoundBody;
}
-SourceRange FunctionDecl::getReturnTypeSourceRange() const {
+FunctionTypeLoc FunctionDecl::getFunctionTypeLoc() const {
const TypeSourceInfo *TSI = getTypeSourceInfo();
- if (!TSI)
- return SourceRange();
- FunctionTypeLoc FTL =
- TSI->getTypeLoc().IgnoreParens().getAs<FunctionTypeLoc>();
+ return TSI ? TSI->getTypeLoc().IgnoreParens().getAs<FunctionTypeLoc>()
+ : FunctionTypeLoc();
+}
+
+SourceRange FunctionDecl::getReturnTypeSourceRange() const {
+ FunctionTypeLoc FTL = getFunctionTypeLoc();
if (!FTL)
return SourceRange();
@@ -3302,16 +3408,25 @@ SourceRange FunctionDecl::getReturnTypeSourceRange() const {
return RTRange;
}
-SourceRange FunctionDecl::getExceptionSpecSourceRange() const {
- const TypeSourceInfo *TSI = getTypeSourceInfo();
- if (!TSI)
- return SourceRange();
- FunctionTypeLoc FTL =
- TSI->getTypeLoc().IgnoreParens().getAs<FunctionTypeLoc>();
- if (!FTL)
+SourceRange FunctionDecl::getParametersSourceRange() const {
+ unsigned NP = getNumParams();
+ SourceLocation EllipsisLoc = getEllipsisLoc();
+
+ if (NP == 0 && EllipsisLoc.isInvalid())
return SourceRange();
- return FTL.getExceptionSpecRange();
+ SourceLocation Begin =
+ NP > 0 ? ParamInfo[0]->getSourceRange().getBegin() : EllipsisLoc;
+ SourceLocation End = EllipsisLoc.isValid()
+ ? EllipsisLoc
+ : ParamInfo[NP - 1]->getSourceRange().getEnd();
+
+ return SourceRange(Begin, End);
+}
+
+SourceRange FunctionDecl::getExceptionSpecSourceRange() const {
+ FunctionTypeLoc FTL = getFunctionTypeLoc();
+ return FTL ? FTL.getExceptionSpecRange() : SourceRange();
}
/// For an inline function definition in C, or for a gnu_inline function
@@ -3345,6 +3460,8 @@ bool FunctionDecl::isInlineDefinitionExternallyVisible() const {
// If it's not the case that both 'inline' and 'extern' are
// specified on the definition, then this inline definition is
// externally visible.
+ if (Context.getLangOpts().CPlusPlus)
+ return false;
if (!(isInlineSpecified() && getStorageClass() == SC_Extern))
return true;
@@ -3770,6 +3887,11 @@ unsigned FunctionDecl::getMemoryFunctionKind() const {
case Builtin::BImemcpy:
return Builtin::BImemcpy;
+ case Builtin::BI__builtin_mempcpy:
+ case Builtin::BI__builtin___mempcpy_chk:
+ case Builtin::BImempcpy:
+ return Builtin::BImempcpy;
+
case Builtin::BI__builtin_memmove:
case Builtin::BI__builtin___memmove_chk:
case Builtin::BImemmove:
@@ -3827,6 +3949,8 @@ unsigned FunctionDecl::getMemoryFunctionKind() const {
return Builtin::BImemset;
else if (FnInfo->isStr("memcpy"))
return Builtin::BImemcpy;
+ else if (FnInfo->isStr("mempcpy"))
+ return Builtin::BImempcpy;
else if (FnInfo->isStr("memmove"))
return Builtin::BImemmove;
else if (FnInfo->isStr("memcmp"))
@@ -4540,7 +4664,7 @@ LabelDecl *LabelDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
}
void LabelDecl::setMSAsmLabel(StringRef Name) {
- char *Buffer = new (getASTContext(), 1) char[Name.size() + 1];
+char *Buffer = new (getASTContext(), 1) char[Name.size() + 1];
memcpy(Buffer, Name.data(), Name.size());
Buffer[Name.size()] = '\0';
MSAsmName = Buffer;
@@ -4581,10 +4705,12 @@ FunctionDecl *FunctionDecl::Create(ASTContext &C, DeclContext *DC,
QualType T, TypeSourceInfo *TInfo,
StorageClass SC, bool isInlineSpecified,
bool hasWrittenPrototype,
- ConstexprSpecKind ConstexprKind) {
+ ConstexprSpecKind ConstexprKind,
+ Expr *TrailingRequiresClause) {
FunctionDecl *New =
new (C, DC) FunctionDecl(Function, C, DC, StartLoc, NameInfo, T, TInfo,
- SC, isInlineSpecified, ConstexprKind);
+ SC, isInlineSpecified, ConstexprKind,
+ TrailingRequiresClause);
New->setHasWrittenPrototype(hasWrittenPrototype);
return New;
}
@@ -4592,7 +4718,7 @@ FunctionDecl *FunctionDecl::Create(ASTContext &C, DeclContext *DC,
FunctionDecl *FunctionDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
return new (C, ID) FunctionDecl(Function, C, nullptr, SourceLocation(),
DeclarationNameInfo(), QualType(), nullptr,
- SC_None, false, CSK_unspecified);
+ SC_None, false, CSK_unspecified, nullptr);
}
BlockDecl *BlockDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L) {
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 10:29:59 +0000