namespace {
class HeaderBuilder {
+ /// \brief Whether there are any fields yet.
+ ///
+ /// Note that this is not equivalent to \c Chars.empty(), since \a concat()
+ /// may have been called already with an empty string.
+ bool IsEmpty;
SmallVector<char, 256> Chars;
public:
- explicit HeaderBuilder(Twine T) { T.toVector(Chars); }
- HeaderBuilder(const HeaderBuilder &X) : Chars(X.Chars) {}
- HeaderBuilder(HeaderBuilder &&X) : Chars(std::move(X.Chars)) {}
+ HeaderBuilder() : IsEmpty(true) {}
+ HeaderBuilder(const HeaderBuilder &X) : IsEmpty(X.IsEmpty), Chars(X.Chars) {}
+ HeaderBuilder(HeaderBuilder &&X)
+ : IsEmpty(X.IsEmpty), Chars(std::move(X.Chars)) {}
template <class Twineable> HeaderBuilder &concat(Twineable &&X) {
- Chars.push_back(0);
+ if (IsEmpty)
+ IsEmpty = false;
+ else
+ Chars.push_back(0);
Twine(X).toVector(Chars);
return *this;
}
}
static HeaderBuilder get(unsigned Tag) {
- return HeaderBuilder("0x" + Twine::utohexstr(Tag));
+ return HeaderBuilder().concat("0x" + Twine::utohexstr(Tag));
}
};
}
-DIBuilder::DIBuilder(Module &m)
+DIBuilder::DIBuilder(Module &m, bool AllowUnresolvedNodes)
: M(m), VMContext(M.getContext()), TempEnumTypes(nullptr),
TempRetainTypes(nullptr), TempSubprograms(nullptr), TempGVs(nullptr),
- DeclareFn(nullptr), ValueFn(nullptr) {}
+ DeclareFn(nullptr), ValueFn(nullptr),
+ AllowUnresolvedNodes(AllowUnresolvedNodes) {}
+
+void DIBuilder::trackIfUnresolved(MDNode *N) {
+ if (!N)
+ return;
+ if (N->isResolved())
+ return;
+
+ assert(AllowUnresolvedNodes && "Cannot handle unresolved nodes");
+ UnresolvedNodes.emplace_back(N);
+}
void DIBuilder::finalize() {
DIArray Enums = getOrCreateArray(AllEnumTypes);
- DIType(TempEnumTypes).replaceAllUsesWith(Enums);
+ TempEnumTypes->replaceAllUsesWith(Enums.get());
- SmallVector<Value *, 16> RetainValues;
+ SmallVector<Metadata *, 16> RetainValues;
// Declarations and definitions of the same type may be retained. Some
// clients RAUW these pairs, leaving duplicates in the retained types
// list. Use a set to remove the duplicates while we transform the
// TrackingVHs back into Values.
- SmallPtrSet<Value *, 16> RetainSet;
+ SmallPtrSet<Metadata *, 16> RetainSet;
for (unsigned I = 0, E = AllRetainTypes.size(); I < E; I++)
- if (RetainSet.insert(AllRetainTypes[I]))
+ if (RetainSet.insert(AllRetainTypes[I]).second)
RetainValues.push_back(AllRetainTypes[I]);
DIArray RetainTypes = getOrCreateArray(RetainValues);
- DIType(TempRetainTypes).replaceAllUsesWith(RetainTypes);
+ TempRetainTypes->replaceAllUsesWith(RetainTypes.get());
DIArray SPs = getOrCreateArray(AllSubprograms);
- DIType(TempSubprograms).replaceAllUsesWith(SPs);
- for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i) {
- DISubprogram SP(SPs.getElement(i));
- if (MDNode *Temp = SP.getVariablesNodes()) {
- SmallVector<Value *, 4> Variables;
- for (Value *V : PreservedVariables.lookup(SP))
- Variables.push_back(V);
+ TempSubprograms->replaceAllUsesWith(SPs.get());
+ for (unsigned i = 0, e = SPs.size(); i != e; ++i) {
+ DISubprogram SP = cast<MDSubprogram>(SPs[i]);
+ if (MDTuple *Temp = SP->getVariables().get()) {
+ const auto &PV = PreservedVariables.lookup(SP);
+ SmallVector<Metadata *, 4> Variables(PV.begin(), PV.end());
DIArray AV = getOrCreateArray(Variables);
- DIType(Temp).replaceAllUsesWith(AV);
+ TempMDTuple(Temp)->replaceAllUsesWith(AV.get());
}
}
DIArray GVs = getOrCreateArray(AllGVs);
- DIType(TempGVs).replaceAllUsesWith(GVs);
+ TempGVs->replaceAllUsesWith(GVs.get());
- SmallVector<Value *, 16> RetainValuesI;
- for (unsigned I = 0, E = AllImportedModules.size(); I < E; I++)
- RetainValuesI.push_back(AllImportedModules[I]);
+ SmallVector<Metadata *, 16> RetainValuesI(AllImportedModules.begin(),
+ AllImportedModules.end());
DIArray IMs = getOrCreateArray(RetainValuesI);
- DIType(TempImportedModules).replaceAllUsesWith(IMs);
+ TempImportedModules->replaceAllUsesWith(IMs.get());
+
+ // Now that all temp nodes have been replaced or deleted, resolve remaining
+ // cycles.
+ for (const auto &N : UnresolvedNodes)
+ if (N && !N->isResolved())
+ N->resolveCycles();
+ UnresolvedNodes.clear();
+
+ // Can't handle unresolved nodes anymore.
+ AllowUnresolvedNodes = false;
}
/// If N is compile unit return NULL otherwise return N.
-static MDNode *getNonCompileUnitScope(MDNode *N) {
- if (DIDescriptor(N).isCompileUnit())
+static MDScope *getNonCompileUnitScope(MDNode *N) {
+ if (!N || isa<MDCompileUnit>(N))
return nullptr;
- return N;
-}
-
-static MDNode *createFilePathPair(LLVMContext &VMContext, StringRef Filename,
- StringRef Directory) {
- assert(!Filename.empty() && "Unable to create file without name");
- Value *Pair[] = {
- MDString::get(VMContext, Filename),
- MDString::get(VMContext, Directory)
- };
- return MDNode::get(VMContext, Pair);
+ return cast<MDScope>(N);
}
DICompileUnit DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename,
DebugEmissionKind Kind,
bool EmitDebugInfo) {
- assert(((Lang <= dwarf::DW_LANG_OCaml && Lang >= dwarf::DW_LANG_C89) ||
+ assert(((Lang <= dwarf::DW_LANG_Fortran08 && Lang >= dwarf::DW_LANG_C89) ||
(Lang <= dwarf::DW_LANG_hi_user && Lang >= dwarf::DW_LANG_lo_user)) &&
"Invalid Language tag");
assert(!Filename.empty() &&
"Unable to create compile unit without filename");
- Value *TElts[] = {HeaderBuilder::get(DW_TAG_base_type).get(VMContext)};
- TempEnumTypes = MDNode::getTemporary(VMContext, TElts);
- TempRetainTypes = MDNode::getTemporary(VMContext, TElts);
-
- TempSubprograms = MDNode::getTemporary(VMContext, TElts);
-
- TempGVs = MDNode::getTemporary(VMContext, TElts);
-
- TempImportedModules = MDNode::getTemporary(VMContext, TElts);
-
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_compile_unit)
- .concat(Lang)
- .concat(Producer)
- .concat(isOptimized)
- .concat(Flags)
- .concat(RunTimeVer)
- .concat(SplitName)
- .concat(Kind)
- .get(VMContext),
- createFilePathPair(VMContext, Filename, Directory),
- TempEnumTypes, TempRetainTypes, TempSubprograms, TempGVs,
- TempImportedModules};
-
- MDNode *CUNode = MDNode::get(VMContext, Elts);
+ // TODO: Once we make MDCompileUnit distinct, stop using temporaries here
+ // (just start with operands assigned to nullptr).
+ TempEnumTypes = MDTuple::getTemporary(VMContext, None);
+ TempRetainTypes = MDTuple::getTemporary(VMContext, None);
+ TempSubprograms = MDTuple::getTemporary(VMContext, None);
+ TempGVs = MDTuple::getTemporary(VMContext, None);
+ TempImportedModules = MDTuple::getTemporary(VMContext, None);
+
+ // TODO: Switch to getDistinct(). We never want to merge compile units based
+ // on contents.
+ MDCompileUnit *CUNode = MDCompileUnit::get(
+ VMContext, Lang, MDFile::get(VMContext, Filename, Directory), Producer,
+ isOptimized, Flags, RunTimeVer, SplitName, Kind, TempEnumTypes.get(),
+ TempRetainTypes.get(), TempSubprograms.get(), TempGVs.get(),
+ TempImportedModules.get());
// Create a named metadata so that it is easier to find cu in a module.
// Note that we only generate this when the caller wants to actually
NMD->addOperand(CUNode);
}
- return DICompileUnit(CUNode);
+ trackIfUnresolved(CUNode);
+ return CUNode;
}
static DIImportedEntity
createImportedModule(LLVMContext &C, dwarf::Tag Tag, DIScope Context,
- Value *NS, unsigned Line, StringRef Name,
- SmallVectorImpl<TrackingVH<MDNode>> &AllImportedModules) {
- const MDNode *R;
- Value *Elts[] = {HeaderBuilder::get(Tag).concat(Line).concat(Name).get(C),
- Context, NS};
- R = MDNode::get(C, Elts);
- DIImportedEntity M(R);
- assert(M.Verify() && "Imported module should be valid");
- AllImportedModules.push_back(TrackingVH<MDNode>(M));
+ Metadata *NS, unsigned Line, StringRef Name,
+ SmallVectorImpl<TrackingMDNodeRef> &AllImportedModules) {
+ DIImportedEntity M =
+ MDImportedEntity::get(C, Tag, Context, DebugNodeRef(NS), Line, Name);
+ AllImportedModules.emplace_back(M);
return M;
}
DIImportedEntity DIBuilder::createImportedDeclaration(DIScope Context,
DIDescriptor Decl,
- unsigned Line, StringRef Name) {
+ unsigned Line,
+ StringRef Name) {
// Make sure to use the unique identifier based metadata reference for
// types that have one.
- Value *V = Decl.isType() ? DIType(Decl).getRef() : Decl;
- return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_declaration,
- Context, V, Line, Name,
- AllImportedModules);
+ return ::createImportedModule(
+ VMContext, dwarf::DW_TAG_imported_declaration, Context,
+ DebugNodeRef::get(cast_or_null<DebugNode>(Decl.get())), Line, Name,
+ AllImportedModules);
}
DIImportedEntity DIBuilder::createImportedDeclaration(DIScope Context,
}
DIFile DIBuilder::createFile(StringRef Filename, StringRef Directory) {
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_file_type).get(VMContext),
- createFilePathPair(VMContext, Filename, Directory)};
- return DIFile(MDNode::get(VMContext, Elts));
+ return MDFile::get(VMContext, Filename, Directory);
}
DIEnumerator DIBuilder::createEnumerator(StringRef Name, int64_t Val) {
assert(!Name.empty() && "Unable to create enumerator without name");
- Value *Elts[] = {
- HeaderBuilder::get(dwarf::DW_TAG_enumerator).concat(Name).concat(Val).get(
- VMContext)};
- return DIEnumerator(MDNode::get(VMContext, Elts));
+ return MDEnumerator::get(VMContext, Val, Name);
}
DIBasicType DIBuilder::createUnspecifiedType(StringRef Name) {
assert(!Name.empty() && "Unable to create type without name");
- // Unspecified types are encoded in DIBasicType format. Line number, filename,
- // size, alignment, offset and flags are always empty here.
- Value *Elts[] = {
- HeaderBuilder::get(dwarf::DW_TAG_unspecified_type)
- .concat(Name)
- .concat(0)
- .concat(0)
- .concat(0)
- .concat(0)
- .concat(0)
- .concat(0)
- .get(VMContext),
- nullptr, // Filename
- nullptr // Unused
- };
- return DIBasicType(MDNode::get(VMContext, Elts));
+ return MDBasicType::get(VMContext, dwarf::DW_TAG_unspecified_type, Name);
}
DIBasicType DIBuilder::createNullPtrType() {
DIBuilder::createBasicType(StringRef Name, uint64_t SizeInBits,
uint64_t AlignInBits, unsigned Encoding) {
assert(!Name.empty() && "Unable to create type without name");
- // Basic types are encoded in DIBasicType format. Line number, filename,
- // offset and flags are always empty here.
- Value *Elts[] = {
- HeaderBuilder::get(dwarf::DW_TAG_base_type)
- .concat(Name)
- .concat(0) // Line
- .concat(SizeInBits)
- .concat(AlignInBits)
- .concat(0) // Offset
- .concat(0) // Flags
- .concat(Encoding)
- .get(VMContext),
- nullptr, // Filename
- nullptr // Unused
- };
- return DIBasicType(MDNode::get(VMContext, Elts));
+ return MDBasicType::get(VMContext, dwarf::DW_TAG_base_type, Name, SizeInBits,
+ AlignInBits, Encoding);
}
DIDerivedType DIBuilder::createQualifiedType(unsigned Tag, DIType FromTy) {
- // Qualified types are encoded in DIDerivedType format.
- Value *Elts[] = {HeaderBuilder::get(Tag)
- .concat(StringRef()) // Name
- .concat(0) // Line
- .concat(0) // Size
- .concat(0) // Align
- .concat(0) // Offset
- .concat(0) // Flags
- .get(VMContext),
- nullptr, // Filename
- nullptr, // Unused
- FromTy.getRef()};
- return DIDerivedType(MDNode::get(VMContext, Elts));
+ return MDDerivedType::get(VMContext, Tag, "", nullptr, 0, nullptr,
+ MDTypeRef::get(FromTy), 0, 0, 0, 0);
}
DIDerivedType
DIBuilder::createPointerType(DIType PointeeTy, uint64_t SizeInBits,
uint64_t AlignInBits, StringRef Name) {
- // Pointer types are encoded in DIDerivedType format.
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_pointer_type)
- .concat(Name)
- .concat(0) // Line
- .concat(SizeInBits)
- .concat(AlignInBits)
- .concat(0) // Offset
- .concat(0) // Flags
- .get(VMContext),
- nullptr, // Filename
- nullptr, // Unused
- PointeeTy.getRef()};
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-DIDerivedType DIBuilder::createMemberPointerType(DIType PointeeTy,
- DIType Base) {
- // Pointer types are encoded in DIDerivedType format.
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_ptr_to_member_type)
- .concat(StringRef())
- .concat(0) // Line
- .concat(0) // Size
- .concat(0) // Align
- .concat(0) // Offset
- .concat(0) // Flags
- .get(VMContext),
- nullptr, // Filename
- nullptr, // Unused
- PointeeTy.getRef(), Base.getRef()};
- return DIDerivedType(MDNode::get(VMContext, Elts));
+ // FIXME: Why is there a name here?
+ return MDDerivedType::get(VMContext, dwarf::DW_TAG_pointer_type, Name,
+ nullptr, 0, nullptr, MDTypeRef::get(PointeeTy),
+ SizeInBits, AlignInBits, 0, 0);
+}
+
+DIDerivedType
+DIBuilder::createMemberPointerType(DIType PointeeTy, DIType Base,
+ uint64_t SizeInBits, uint64_t AlignInBits) {
+ return MDDerivedType::get(VMContext, dwarf::DW_TAG_ptr_to_member_type, "",
+ nullptr, 0, nullptr, MDTypeRef::get(PointeeTy),
+ SizeInBits, AlignInBits, 0, 0, MDTypeRef::get(Base));
}
DIDerivedType DIBuilder::createReferenceType(unsigned Tag, DIType RTy) {
- assert(RTy.isType() && "Unable to create reference type");
- // References are encoded in DIDerivedType format.
- Value *Elts[] = {HeaderBuilder::get(Tag)
- .concat(StringRef()) // Name
- .concat(0) // Line
- .concat(0) // Size
- .concat(0) // Align
- .concat(0) // Offset
- .concat(0) // Flags
- .get(VMContext),
- nullptr, // Filename
- nullptr, // TheCU,
- RTy.getRef()};
- return DIDerivedType(MDNode::get(VMContext, Elts));
+ assert(RTy && "Unable to create reference type");
+ return MDDerivedType::get(VMContext, Tag, "", nullptr, 0, nullptr,
+ MDTypeRef::get(RTy), 0, 0, 0, 0);
}
DIDerivedType DIBuilder::createTypedef(DIType Ty, StringRef Name, DIFile File,
unsigned LineNo, DIDescriptor Context) {
- // typedefs are encoded in DIDerivedType format.
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_typedef)
- .concat(Name)
- .concat(LineNo)
- .concat(0) // Size
- .concat(0) // Align
- .concat(0) // Offset
- .concat(0) // Flags
- .get(VMContext),
- File.getFileNode(),
- DIScope(getNonCompileUnitScope(Context)).getRef(),
- Ty.getRef()};
- return DIDerivedType(MDNode::get(VMContext, Elts));
+ return MDDerivedType::get(
+ VMContext, dwarf::DW_TAG_typedef, Name, File, LineNo,
+ MDScopeRef::get(DIScope(getNonCompileUnitScope(Context))),
+ MDTypeRef::get(Ty), 0, 0, 0, 0);
}
DIDerivedType DIBuilder::createFriend(DIType Ty, DIType FriendTy) {
// typedefs are encoded in DIDerivedType format.
- assert(Ty.isType() && "Invalid type!");
- assert(FriendTy.isType() && "Invalid friend type!");
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_friend)
- .concat(StringRef()) // Name
- .concat(0) // Line
- .concat(0) // Size
- .concat(0) // Align
- .concat(0) // Offset
- .concat(0) // Flags
- .get(VMContext),
- nullptr, Ty.getRef(), FriendTy.getRef()};
- return DIDerivedType(MDNode::get(VMContext, Elts));
+ assert(Ty && "Invalid type!");
+ assert(FriendTy && "Invalid friend type!");
+ return MDDerivedType::get(VMContext, dwarf::DW_TAG_friend, "", nullptr, 0,
+ MDTypeRef::get(Ty), MDTypeRef::get(FriendTy), 0, 0,
+ 0, 0);
}
DIDerivedType DIBuilder::createInheritance(DIType Ty, DIType BaseTy,
uint64_t BaseOffset,
unsigned Flags) {
- assert(Ty.isType() && "Unable to create inheritance");
- // TAG_inheritance is encoded in DIDerivedType format.
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_inheritance)
- .concat(StringRef()) // Name
- .concat(0) // Line
- .concat(0) // Size
- .concat(0) // Align
- .concat(BaseOffset)
- .concat(Flags)
- .get(VMContext),
- nullptr, Ty.getRef(), BaseTy.getRef()};
- return DIDerivedType(MDNode::get(VMContext, Elts));
+ assert(Ty && "Unable to create inheritance");
+ return MDDerivedType::get(VMContext, dwarf::DW_TAG_inheritance, "", nullptr,
+ 0, MDTypeRef::get(Ty), MDTypeRef::get(BaseTy), 0, 0,
+ BaseOffset, Flags);
}
DIDerivedType DIBuilder::createMemberType(DIDescriptor Scope, StringRef Name,
uint64_t AlignInBits,
uint64_t OffsetInBits, unsigned Flags,
DIType Ty) {
- // TAG_member is encoded in DIDerivedType format.
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_member)
- .concat(Name)
- .concat(LineNumber)
- .concat(SizeInBits)
- .concat(AlignInBits)
- .concat(OffsetInBits)
- .concat(Flags)
- .get(VMContext),
- File.getFileNode(),
- DIScope(getNonCompileUnitScope(Scope)).getRef(),
- Ty.getRef()};
- return DIDerivedType(MDNode::get(VMContext, Elts));
+ return MDDerivedType::get(
+ VMContext, dwarf::DW_TAG_member, Name, File, LineNumber,
+ MDScopeRef::get(DIScope(getNonCompileUnitScope(Scope))),
+ MDTypeRef::get(Ty), SizeInBits, AlignInBits, OffsetInBits, Flags);
}
-DIDerivedType
-DIBuilder::createStaticMemberType(DIDescriptor Scope, StringRef Name,
- DIFile File, unsigned LineNumber,
- DIType Ty, unsigned Flags,
- llvm::Value *Val) {
+static ConstantAsMetadata *getConstantOrNull(Constant *C) {
+ if (C)
+ return ConstantAsMetadata::get(C);
+ return nullptr;
+}
+
+DIDerivedType DIBuilder::createStaticMemberType(DIDescriptor Scope,
+ StringRef Name, DIFile File,
+ unsigned LineNumber, DIType Ty,
+ unsigned Flags,
+ llvm::Constant *Val) {
// TAG_member is encoded in DIDerivedType format.
Flags |= DIDescriptor::FlagStaticMember;
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_member)
- .concat(Name)
- .concat(LineNumber)
- .concat(0) // Size
- .concat(0) // Align
- .concat(0) // Offset
- .concat(Flags)
- .get(VMContext),
- File.getFileNode(),
- DIScope(getNonCompileUnitScope(Scope)).getRef(), Ty.getRef(),
- Val};
- return DIDerivedType(MDNode::get(VMContext, Elts));
+ return MDDerivedType::get(
+ VMContext, dwarf::DW_TAG_member, Name, File, LineNumber,
+ MDScopeRef::get(DIScope(getNonCompileUnitScope(Scope))),
+ MDTypeRef::get(Ty), 0, 0, 0, Flags, getConstantOrNull(Val));
}
DIDerivedType DIBuilder::createObjCIVar(StringRef Name, DIFile File,
uint64_t AlignInBits,
uint64_t OffsetInBits, unsigned Flags,
DIType Ty, MDNode *PropertyNode) {
- // TAG_member is encoded in DIDerivedType format.
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_member)
- .concat(Name)
- .concat(LineNumber)
- .concat(SizeInBits)
- .concat(AlignInBits)
- .concat(OffsetInBits)
- .concat(Flags)
- .get(VMContext),
- File.getFileNode(), getNonCompileUnitScope(File), Ty,
- PropertyNode};
- return DIDerivedType(MDNode::get(VMContext, Elts));
+ return MDDerivedType::get(
+ VMContext, dwarf::DW_TAG_member, Name, File, LineNumber,
+ MDScopeRef::get(getNonCompileUnitScope(File)), MDTypeRef::get(Ty),
+ SizeInBits, AlignInBits, OffsetInBits, Flags, PropertyNode);
}
DIObjCProperty
DIBuilder::createObjCProperty(StringRef Name, DIFile File, unsigned LineNumber,
StringRef GetterName, StringRef SetterName,
unsigned PropertyAttributes, DIType Ty) {
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_APPLE_property)
- .concat(Name)
- .concat(LineNumber)
- .concat(GetterName)
- .concat(SetterName)
- .concat(PropertyAttributes)
- .get(VMContext),
- File, Ty};
- return DIObjCProperty(MDNode::get(VMContext, Elts));
+ return MDObjCProperty::get(VMContext, Name, File, LineNumber, GetterName,
+ SetterName, PropertyAttributes, Ty);
}
DITemplateTypeParameter
DIBuilder::createTemplateTypeParameter(DIDescriptor Context, StringRef Name,
- DIType Ty, MDNode *File, unsigned LineNo,
- unsigned ColumnNo) {
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_template_type_parameter)
- .concat(Name)
- .concat(LineNo)
- .concat(ColumnNo)
- .get(VMContext),
- DIScope(getNonCompileUnitScope(Context)).getRef(),
- Ty.getRef(), File};
- return DITemplateTypeParameter(MDNode::get(VMContext, Elts));
+ DIType Ty) {
+ assert((!Context || isa<MDCompileUnit>(Context.get())) &&
+ "Expected compile unit");
+ return MDTemplateTypeParameter::get(VMContext, Name, MDTypeRef::get(Ty));
}
-DITemplateValueParameter
-DIBuilder::createTemplateValueParameter(unsigned Tag, DIDescriptor Context,
- StringRef Name, DIType Ty,
- Value *Val, MDNode *File,
- unsigned LineNo,
- unsigned ColumnNo) {
- Value *Elts[] = {
- HeaderBuilder::get(Tag).concat(Name).concat(LineNo).concat(ColumnNo).get(
- VMContext),
- DIScope(getNonCompileUnitScope(Context)).getRef(), Ty.getRef(), Val,
- File};
- return DITemplateValueParameter(MDNode::get(VMContext, Elts));
+static DITemplateValueParameter
+createTemplateValueParameterHelper(LLVMContext &VMContext, unsigned Tag,
+ DIDescriptor Context, StringRef Name,
+ DIType Ty, Metadata *MD) {
+ assert((!Context || isa<MDCompileUnit>(Context.get())) &&
+ "Expected compile unit");
+ return MDTemplateValueParameter::get(VMContext, Tag, Name, MDTypeRef::get(Ty),
+ MD);
}
DITemplateValueParameter
DIBuilder::createTemplateValueParameter(DIDescriptor Context, StringRef Name,
- DIType Ty, Value *Val,
- MDNode *File, unsigned LineNo,
- unsigned ColumnNo) {
- return createTemplateValueParameter(dwarf::DW_TAG_template_value_parameter,
- Context, Name, Ty, Val, File, LineNo,
- ColumnNo);
+ DIType Ty, Constant *Val) {
+ return createTemplateValueParameterHelper(
+ VMContext, dwarf::DW_TAG_template_value_parameter, Context, Name, Ty,
+ getConstantOrNull(Val));
}
DITemplateValueParameter
DIBuilder::createTemplateTemplateParameter(DIDescriptor Context, StringRef Name,
- DIType Ty, StringRef Val,
- MDNode *File, unsigned LineNo,
- unsigned ColumnNo) {
- return createTemplateValueParameter(
- dwarf::DW_TAG_GNU_template_template_param, Context, Name, Ty,
- MDString::get(VMContext, Val), File, LineNo, ColumnNo);
+ DIType Ty, StringRef Val) {
+ return createTemplateValueParameterHelper(
+ VMContext, dwarf::DW_TAG_GNU_template_template_param, Context, Name, Ty,
+ MDString::get(VMContext, Val));
}
DITemplateValueParameter
DIBuilder::createTemplateParameterPack(DIDescriptor Context, StringRef Name,
- DIType Ty, DIArray Val,
- MDNode *File, unsigned LineNo,
- unsigned ColumnNo) {
- return createTemplateValueParameter(dwarf::DW_TAG_GNU_template_parameter_pack,
- Context, Name, Ty, Val, File, LineNo,
- ColumnNo);
+ DIType Ty, DIArray Val) {
+ return createTemplateValueParameterHelper(
+ VMContext, dwarf::DW_TAG_GNU_template_parameter_pack, Context, Name, Ty,
+ Val.get());
}
DICompositeType DIBuilder::createClassType(DIDescriptor Context, StringRef Name,
DIType VTableHolder,
MDNode *TemplateParams,
StringRef UniqueIdentifier) {
- assert((!Context || Context.isScope() || Context.isType()) &&
+ assert((!Context || isa<MDScope>(Context)) &&
"createClassType should be called with a valid Context");
// TAG_class_type is encoded in DICompositeType format.
- Value *Elts[] = {
- HeaderBuilder::get(dwarf::DW_TAG_class_type)
- .concat(Name)
- .concat(LineNumber)
- .concat(SizeInBits)
- .concat(AlignInBits)
- .concat(OffsetInBits)
- .concat(Flags)
- .concat(0)
- .get(VMContext),
- File.getFileNode(), DIScope(getNonCompileUnitScope(Context)).getRef(),
- DerivedFrom.getRef(), Elements, VTableHolder.getRef(), TemplateParams,
- UniqueIdentifier.empty() ? nullptr
- : MDString::get(VMContext, UniqueIdentifier)};
- DICompositeType R(MDNode::get(VMContext, Elts));
- assert(R.isCompositeType() &&
- "createClassType should return a DICompositeType");
+ DICompositeType R = MDCompositeType::get(
+ VMContext, dwarf::DW_TAG_structure_type, Name, File, LineNumber,
+ MDScopeRef::get(DIScope(getNonCompileUnitScope(Context))),
+ MDTypeRef::get(DerivedFrom), SizeInBits, AlignInBits, OffsetInBits, Flags,
+ Elements, 0, MDTypeRef::get(VTableHolder),
+ cast_or_null<MDTuple>(TemplateParams), UniqueIdentifier);
if (!UniqueIdentifier.empty())
retainType(R);
+ trackIfUnresolved(R);
return R;
}
unsigned RunTimeLang,
DIType VTableHolder,
StringRef UniqueIdentifier) {
- // TAG_structure_type is encoded in DICompositeType format.
- Value *Elts[] = {
- HeaderBuilder::get(dwarf::DW_TAG_structure_type)
- .concat(Name)
- .concat(LineNumber)
- .concat(SizeInBits)
- .concat(AlignInBits)
- .concat(0)
- .concat(Flags)
- .concat(RunTimeLang)
- .get(VMContext),
- File.getFileNode(), DIScope(getNonCompileUnitScope(Context)).getRef(),
- DerivedFrom.getRef(), Elements, VTableHolder.getRef(), nullptr,
- UniqueIdentifier.empty() ? nullptr
- : MDString::get(VMContext, UniqueIdentifier)};
- DICompositeType R(MDNode::get(VMContext, Elts));
- assert(R.isCompositeType() &&
- "createStructType should return a DICompositeType");
+ DICompositeType R = MDCompositeType::get(
+ VMContext, dwarf::DW_TAG_structure_type, Name, File, LineNumber,
+ MDScopeRef::get(DIScope(getNonCompileUnitScope(Context))),
+ MDTypeRef::get(DerivedFrom), SizeInBits, AlignInBits, 0, Flags, Elements,
+ RunTimeLang, MDTypeRef::get(VTableHolder), nullptr, UniqueIdentifier);
if (!UniqueIdentifier.empty())
retainType(R);
+ trackIfUnresolved(R);
return R;
}
DIArray Elements,
unsigned RunTimeLang,
StringRef UniqueIdentifier) {
- // TAG_union_type is encoded in DICompositeType format.
- Value *Elts[] = {
- HeaderBuilder::get(dwarf::DW_TAG_union_type)
- .concat(Name)
- .concat(LineNumber)
- .concat(SizeInBits)
- .concat(AlignInBits)
- .concat(0) // Offset
- .concat(Flags)
- .concat(RunTimeLang)
- .get(VMContext),
- File.getFileNode(), DIScope(getNonCompileUnitScope(Scope)).getRef(),
- nullptr, Elements, nullptr, nullptr,
- UniqueIdentifier.empty() ? nullptr
- : MDString::get(VMContext, UniqueIdentifier)};
- DICompositeType R(MDNode::get(VMContext, Elts));
+ DICompositeType R = MDCompositeType::get(
+ VMContext, dwarf::DW_TAG_union_type, Name, File, LineNumber,
+ MDScopeRef::get(DIScope(getNonCompileUnitScope(Scope))), nullptr,
+ SizeInBits, AlignInBits, 0, Flags, Elements, RunTimeLang, nullptr,
+ nullptr, UniqueIdentifier);
if (!UniqueIdentifier.empty())
retainType(R);
+ trackIfUnresolved(R);
return R;
}
DISubroutineType DIBuilder::createSubroutineType(DIFile File,
DITypeArray ParameterTypes,
unsigned Flags) {
- // TAG_subroutine_type is encoded in DICompositeType format.
- Value *Elts[] = {
- HeaderBuilder::get(dwarf::DW_TAG_subroutine_type)
- .concat(StringRef())
- .concat(0) // Line
- .concat(0) // Size
- .concat(0) // Align
- .concat(0) // Offset
- .concat(Flags) // Flags
- .concat(0)
- .get(VMContext),
- nullptr, nullptr, nullptr, ParameterTypes, nullptr, nullptr,
- nullptr // Type Identifer
- };
- return DISubroutineType(MDNode::get(VMContext, Elts));
+ return MDSubroutineType::get(VMContext, Flags, ParameterTypes);
}
DICompositeType DIBuilder::createEnumerationType(
DIDescriptor Scope, StringRef Name, DIFile File, unsigned LineNumber,
uint64_t SizeInBits, uint64_t AlignInBits, DIArray Elements,
DIType UnderlyingType, StringRef UniqueIdentifier) {
- // TAG_enumeration_type is encoded in DICompositeType format.
- Value *Elts[] = {
- HeaderBuilder::get(dwarf::DW_TAG_enumeration_type)
- .concat(Name)
- .concat(LineNumber)
- .concat(SizeInBits)
- .concat(AlignInBits)
- .concat(0) // Offset
- .concat(0) // Flags
- .concat(0)
- .get(VMContext),
- File.getFileNode(), DIScope(getNonCompileUnitScope(Scope)).getRef(),
- UnderlyingType.getRef(), Elements, nullptr, nullptr,
- UniqueIdentifier.empty() ? nullptr
- : MDString::get(VMContext, UniqueIdentifier)};
- DICompositeType CTy(MDNode::get(VMContext, Elts));
+ DICompositeType CTy = MDCompositeType::get(
+ VMContext, dwarf::DW_TAG_enumeration_type, Name, File, LineNumber,
+ MDScopeRef::get(DIScope(getNonCompileUnitScope(Scope))),
+ MDTypeRef::get(UnderlyingType), SizeInBits, AlignInBits, 0, 0, Elements,
+ 0, nullptr, nullptr, UniqueIdentifier);
AllEnumTypes.push_back(CTy);
if (!UniqueIdentifier.empty())
retainType(CTy);
+ trackIfUnresolved(CTy);
return CTy;
}
DICompositeType DIBuilder::createArrayType(uint64_t Size, uint64_t AlignInBits,
DIType Ty, DIArray Subscripts) {
- // TAG_array_type is encoded in DICompositeType format.
- Value *Elts[] = {
- HeaderBuilder::get(dwarf::DW_TAG_array_type)
- .concat(StringRef())
- .concat(0) // Line
- .concat(Size)
- .concat(AlignInBits)
- .concat(0) // Offset
- .concat(0) // Flags
- .concat(0)
- .get(VMContext),
- nullptr, // Filename/Directory,
- nullptr, // Unused
- Ty.getRef(), Subscripts, nullptr, nullptr,
- nullptr // Type Identifer
- };
- return DICompositeType(MDNode::get(VMContext, Elts));
+ auto *R = MDCompositeType::get(VMContext, dwarf::DW_TAG_array_type, "",
+ nullptr, 0, nullptr, MDTypeRef::get(Ty), Size,
+ AlignInBits, 0, 0, Subscripts, 0, nullptr);
+ trackIfUnresolved(R);
+ return R;
}
DICompositeType DIBuilder::createVectorType(uint64_t Size, uint64_t AlignInBits,
DIType Ty, DIArray Subscripts) {
- // A vector is an array type with the FlagVector flag applied.
- Value *Elts[] = {
- HeaderBuilder::get(dwarf::DW_TAG_array_type)
- .concat("")
- .concat(0) // Line
- .concat(Size)
- .concat(AlignInBits)
- .concat(0) // Offset
- .concat(DIType::FlagVector)
- .concat(0)
- .get(VMContext),
- nullptr, // Filename/Directory,
- nullptr, // Unused
- Ty.getRef(), Subscripts, nullptr, nullptr,
- nullptr // Type Identifer
- };
- return DICompositeType(MDNode::get(VMContext, Elts));
-}
-
-static HeaderBuilder setTypeFlagsInHeader(StringRef Header,
- unsigned FlagsToSet) {
- DIHeaderFieldIterator I(Header);
- std::advance(I, 6);
-
- unsigned Flags;
- if (I->getAsInteger(0, Flags))
- Flags = 0;
- Flags |= FlagsToSet;
-
- return HeaderBuilder(Twine(I.getPrefix())).concat(Flags).concat(
- I.getSuffix());
+ auto *R =
+ MDCompositeType::get(VMContext, dwarf::DW_TAG_array_type, "", nullptr, 0,
+ nullptr, MDTypeRef::get(Ty), Size, AlignInBits, 0,
+ DIType::FlagVector, Subscripts, 0, nullptr);
+ trackIfUnresolved(R);
+ return R;
}
static DIType createTypeWithFlags(LLVMContext &Context, DIType Ty,
unsigned FlagsToSet) {
- SmallVector<Value *, 9> Elts;
- MDNode *N = Ty;
- assert(N && "Unexpected input DIType!");
- // Update header field.
- Elts.push_back(setTypeFlagsInHeader(Ty.getHeader(), FlagsToSet).get(Context));
- for (unsigned I = 1, E = N->getNumOperands(); I != E; ++I)
- Elts.push_back(N->getOperand(I));
-
- return DIType(MDNode::get(Context, Elts));
+ TempMDType NewTy = cast<MDType>(static_cast<MDNode *>(Ty))->clone();
+ NewTy->setFlags(NewTy->getFlags() | FlagsToSet);
+ return MDNode::replaceWithUniqued(std::move(NewTy));
}
DIType DIBuilder::createArtificialType(DIType Ty) {
+ // FIXME: Restrict this to the nodes where it's valid.
if (Ty.isArtificial())
return Ty;
return createTypeWithFlags(VMContext, Ty, DIType::FlagArtificial);
}
DIType DIBuilder::createObjectPointerType(DIType Ty) {
+ // FIXME: Restrict this to the nodes where it's valid.
if (Ty.isObjectPointer())
return Ty;
unsigned Flags = DIType::FlagObjectPointer | DIType::FlagArtificial;
}
void DIBuilder::retainType(DIType T) {
- AllRetainTypes.push_back(TrackingVH<MDNode>(T));
+ assert(T.get() && "Expected non-null type");
+ AllRetainTypes.emplace_back(T);
}
DIBasicType DIBuilder::createUnspecifiedParameter() {
DIFile F, unsigned Line, unsigned RuntimeLang,
uint64_t SizeInBits, uint64_t AlignInBits,
StringRef UniqueIdentifier) {
- // Create a temporary MDNode.
- Value *Elts[] = {
- HeaderBuilder::get(Tag)
- .concat(Name)
- .concat(Line)
- .concat(SizeInBits)
- .concat(AlignInBits)
- .concat(0) // Offset
- .concat(DIDescriptor::FlagFwdDecl)
- .concat(RuntimeLang)
- .get(VMContext),
- F.getFileNode(), DIScope(getNonCompileUnitScope(Scope)).getRef(), nullptr,
- DIArray(), nullptr,
- nullptr, // TemplateParams
- UniqueIdentifier.empty() ? nullptr
- : MDString::get(VMContext, UniqueIdentifier)};
- MDNode *Node = MDNode::get(VMContext, Elts);
- DICompositeType RetTy(Node);
- assert(RetTy.isCompositeType() &&
- "createForwardDecl result should be a DIType");
+ // FIXME: Define in terms of createReplaceableForwardDecl() by calling
+ // replaceWithUniqued().
+ DICompositeType RetTy = MDCompositeType::get(
+ VMContext, Tag, Name, F, Line,
+ MDScopeRef::get(DIScope(getNonCompileUnitScope(Scope))), nullptr,
+ SizeInBits, AlignInBits, 0, DIDescriptor::FlagFwdDecl, nullptr,
+ RuntimeLang, nullptr, nullptr, UniqueIdentifier);
if (!UniqueIdentifier.empty())
retainType(RetTy);
+ trackIfUnresolved(RetTy);
return RetTy;
}
-DICompositeType DIBuilder::createReplaceableForwardDecl(
+DICompositeType DIBuilder::createReplaceableCompositeType(
unsigned Tag, StringRef Name, DIDescriptor Scope, DIFile F, unsigned Line,
unsigned RuntimeLang, uint64_t SizeInBits, uint64_t AlignInBits,
- StringRef UniqueIdentifier) {
- // Create a temporary MDNode.
- Value *Elts[] = {
- HeaderBuilder::get(Tag)
- .concat(Name)
- .concat(Line)
- .concat(SizeInBits)
- .concat(AlignInBits)
- .concat(0) // Offset
- .concat(DIDescriptor::FlagFwdDecl)
- .concat(RuntimeLang)
- .get(VMContext),
- F.getFileNode(), DIScope(getNonCompileUnitScope(Scope)).getRef(), nullptr,
- DIArray(), nullptr,
- nullptr, // TemplateParams
- UniqueIdentifier.empty() ? nullptr
- : MDString::get(VMContext, UniqueIdentifier)};
- MDNode *Node = MDNode::getTemporary(VMContext, Elts);
- DICompositeType RetTy(Node);
- assert(RetTy.isCompositeType() &&
- "createReplaceableForwardDecl result should be a DIType");
+ unsigned Flags, StringRef UniqueIdentifier) {
+ DICompositeType RetTy =
+ MDCompositeType::getTemporary(
+ VMContext, Tag, Name, F, Line,
+ MDScopeRef::get(DIScope(getNonCompileUnitScope(Scope))), nullptr,
+ SizeInBits, AlignInBits, 0, Flags, nullptr, RuntimeLang, nullptr,
+ nullptr, UniqueIdentifier)
+ .release();
if (!UniqueIdentifier.empty())
retainType(RetTy);
+ trackIfUnresolved(RetTy);
return RetTy;
}
-DIArray DIBuilder::getOrCreateArray(ArrayRef<Value *> Elements) {
+DIArray DIBuilder::getOrCreateArray(ArrayRef<Metadata *> Elements) {
return DIArray(MDNode::get(VMContext, Elements));
}
-DITypeArray DIBuilder::getOrCreateTypeArray(ArrayRef<Value *> Elements) {
- SmallVector<llvm::Value *, 16> Elts;
+DITypeArray DIBuilder::getOrCreateTypeArray(ArrayRef<Metadata *> Elements) {
+ SmallVector<llvm::Metadata *, 16> Elts;
for (unsigned i = 0, e = Elements.size(); i != e; ++i) {
if (Elements[i] && isa<MDNode>(Elements[i]))
- Elts.push_back(DIType(cast<MDNode>(Elements[i])).getRef());
+ Elts.push_back(MDTypeRef::get(cast<MDType>(Elements[i])));
else
Elts.push_back(Elements[i]);
}
}
DISubrange DIBuilder::getOrCreateSubrange(int64_t Lo, int64_t Count) {
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_subrange_type)
- .concat(Lo)
- .concat(Count)
- .get(VMContext)};
-
- return DISubrange(MDNode::get(VMContext, Elts));
-}
-
-static DIGlobalVariable
-createGlobalVariableHelper(LLVMContext &VMContext, DIDescriptor Context,
- StringRef Name, StringRef LinkageName, DIFile F,
- unsigned LineNumber, DITypeRef Ty, bool isLocalToUnit,
- Value *Val, MDNode *Decl, bool isDefinition,
- std::function<MDNode *(ArrayRef<Value *>)> CreateFunc) {
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_variable)
- .concat(Name)
- .concat(Name)
- .concat(LinkageName)
- .concat(LineNumber)
- .concat(isLocalToUnit)
- .concat(isDefinition)
- .get(VMContext),
- getNonCompileUnitScope(Context), F, Ty, Val,
- DIDescriptor(Decl)};
-
- return DIGlobalVariable(CreateFunc(Elts));
-}
-
-DIGlobalVariable DIBuilder::createGlobalVariable(DIDescriptor Context,
- StringRef Name,
- StringRef LinkageName,
- DIFile F, unsigned LineNumber,
- DITypeRef Ty,
- bool isLocalToUnit,
- Value *Val, MDNode *Decl) {
- return createGlobalVariableHelper(VMContext, Context, Name, LinkageName, F,
- LineNumber, Ty, isLocalToUnit, Val, Decl, true,
- [&] (ArrayRef<Value *> Elts) -> MDNode * {
- MDNode *Node = MDNode::get(VMContext, Elts);
- AllGVs.push_back(Node);
- return Node;
- });
-}
-
-DIGlobalVariable
-DIBuilder::createTempGlobalVariableFwdDecl(DIDescriptor Context,
- StringRef Name,
- StringRef LinkageName,
- DIFile F, unsigned LineNumber,
- DITypeRef Ty,
- bool isLocalToUnit,
- Value *Val, MDNode *Decl) {
- return createGlobalVariableHelper(VMContext, Context, Name, LinkageName, F,
- LineNumber, Ty, isLocalToUnit, Val, Decl, false,
- [&] (ArrayRef<Value *> Elts) {
- return MDNode::getTemporary(VMContext, Elts);
- });
+ return MDSubrange::get(VMContext, Count, Lo);
+}
+
+static void checkGlobalVariableScope(DIDescriptor Context) {
+#ifndef NDEBUG
+ if (DICompositeType CT =
+ dyn_cast_or_null<MDCompositeType>(getNonCompileUnitScope(Context)))
+ assert(!CT.getIdentifier() &&
+ "Context of a global variable should not be a type with identifier");
+#endif
+}
+
+DIGlobalVariable DIBuilder::createGlobalVariable(
+ DIDescriptor Context, StringRef Name, StringRef LinkageName, DIFile F,
+ unsigned LineNumber, DIType Ty, bool isLocalToUnit, Constant *Val,
+ MDNode *Decl) {
+ checkGlobalVariableScope(Context);
+
+ auto *N = MDGlobalVariable::get(
+ VMContext, cast_or_null<MDScope>(Context.get()), Name, LinkageName, F,
+ LineNumber, MDTypeRef::get(Ty), isLocalToUnit, true, Val,
+ cast_or_null<MDDerivedType>(Decl));
+ AllGVs.push_back(N);
+ return N;
+}
+
+DIGlobalVariable DIBuilder::createTempGlobalVariableFwdDecl(
+ DIDescriptor Context, StringRef Name, StringRef LinkageName, DIFile F,
+ unsigned LineNumber, DIType Ty, bool isLocalToUnit, Constant *Val,
+ MDNode *Decl) {
+ checkGlobalVariableScope(Context);
+
+ return MDGlobalVariable::getTemporary(
+ VMContext, cast_or_null<MDScope>(Context.get()), Name, LinkageName,
+ F, LineNumber, MDTypeRef::get(Ty), isLocalToUnit, false, Val,
+ cast_or_null<MDDerivedType>(Decl)).release();
}
DIVariable DIBuilder::createLocalVariable(unsigned Tag, DIDescriptor Scope,
StringRef Name, DIFile File,
- unsigned LineNo, DITypeRef Ty,
+ unsigned LineNo, DIType Ty,
bool AlwaysPreserve, unsigned Flags,
unsigned ArgNo) {
- DIDescriptor Context(getNonCompileUnitScope(Scope));
- assert((!Context || Context.isScope()) &&
- "createLocalVariable should be called with a valid Context");
- Value *Elts[] = {HeaderBuilder::get(Tag)
- .concat(Name)
- .concat(LineNo | (ArgNo << 24))
- .concat(Flags)
- .get(VMContext),
- getNonCompileUnitScope(Scope), File, Ty};
- MDNode *Node = MDNode::get(VMContext, Elts);
+ // FIXME: Why getNonCompileUnitScope()?
+ // FIXME: Why is "!Context" okay here?
+ // FIXME: WHy doesn't this check for a subprogram or lexical block (AFAICT
+ // the only valid scopes)?
+ DIScope Context = getNonCompileUnitScope(Scope);
+
+ auto *Node = MDLocalVariable::get(
+ VMContext, Tag, cast_or_null<MDLocalScope>(Context.get()), Name, File,
+ LineNo, MDTypeRef::get(Ty), ArgNo, Flags);
if (AlwaysPreserve) {
// The optimizer may remove local variable. If there is an interest
// to preserve variable info in such situation then stash it in a
// named mdnode.
DISubprogram Fn(getDISubprogram(Scope));
assert(Fn && "Missing subprogram for local variable");
- PreservedVariables[Fn].push_back(Node);
+ PreservedVariables[Fn].emplace_back(Node);
}
- DIVariable RetVar(Node);
- assert(RetVar.isVariable() &&
- "createLocalVariable should return a valid DIVariable");
- return RetVar;
+ return Node;
}
-DIExpression DIBuilder::createExpression(ArrayRef<int64_t> Addr) {
- auto Header = HeaderBuilder::get(DW_TAG_expression);
- for (int64_t I : Addr)
- Header.concat(I);
- Value *Elts[] = {Header.get(VMContext)};
- return DIExpression(MDNode::get(VMContext, Elts));
+DIExpression DIBuilder::createExpression(ArrayRef<uint64_t> Addr) {
+ return MDExpression::get(VMContext, Addr);
}
-DIExpression DIBuilder::createPieceExpression(unsigned OffsetInBytes,
- unsigned SizeInBytes) {
- int64_t Addr[] = {dwarf::DW_OP_piece, OffsetInBytes, SizeInBytes};
+DIExpression DIBuilder::createExpression(ArrayRef<int64_t> Signed) {
+ // TODO: Remove the callers of this signed version and delete.
+ SmallVector<uint64_t, 8> Addr(Signed.begin(), Signed.end());
return createExpression(Addr);
}
+DIExpression DIBuilder::createBitPieceExpression(unsigned OffsetInBytes,
+ unsigned SizeInBytes) {
+ uint64_t Addr[] = {dwarf::DW_OP_bit_piece, OffsetInBytes, SizeInBytes};
+ return MDExpression::get(VMContext, Addr);
+}
+
DISubprogram DIBuilder::createFunction(DIScopeRef Context, StringRef Name,
StringRef LinkageName, DIFile File,
unsigned LineNo, DICompositeType Ty,
Flags, isOptimized, Fn, TParams, Decl);
}
-static DISubprogram
-createFunctionHelper(LLVMContext &VMContext, DIDescriptor Context, StringRef Name,
- StringRef LinkageName, DIFile File, unsigned LineNo,
- DICompositeType Ty, bool isLocalToUnit, bool isDefinition,
- unsigned ScopeLine, unsigned Flags, bool isOptimized,
- Function *Fn, MDNode *TParams, MDNode *Decl,
- std::function<MDNode *(ArrayRef<Value *>)> CreateFunc) {
- assert(Ty.getTag() == dwarf::DW_TAG_subroutine_type &&
- "function types should be subroutines");
- Value *TElts[] = {HeaderBuilder::get(DW_TAG_base_type).get(VMContext)};
- Value *Elts[] = {
- HeaderBuilder::get(dwarf::DW_TAG_subprogram)
- .concat(Name)
- .concat(Name)
- .concat(LinkageName)
- .concat(LineNo)
- .concat(isLocalToUnit)
- .concat(isDefinition)
- .concat(0)
- .concat(0)
- .concat(Flags)
- .concat(isOptimized)
- .concat(ScopeLine)
- .get(VMContext),
- File.getFileNode(), DIScope(getNonCompileUnitScope(Context)).getRef(), Ty,
- nullptr, Fn, TParams, Decl, MDNode::getTemporary(VMContext, TElts)};
-
- DISubprogram S(CreateFunc(Elts));
- assert(S.isSubprogram() &&
- "createFunction should return a valid DISubprogram");
- return S;
-}
-
-
DISubprogram DIBuilder::createFunction(DIDescriptor Context, StringRef Name,
StringRef LinkageName, DIFile File,
unsigned LineNo, DICompositeType Ty,
unsigned ScopeLine, unsigned Flags,
bool isOptimized, Function *Fn,
MDNode *TParams, MDNode *Decl) {
- return createFunctionHelper(VMContext, Context, Name, LinkageName, File,
- LineNo, Ty, isLocalToUnit, isDefinition, ScopeLine,
- Flags, isOptimized, Fn, TParams, Decl,
- [&] (ArrayRef<Value *> Elts) -> MDNode *{
- MDNode *Node = MDNode::get(VMContext, Elts);
- // Create a named metadata so that we
- // do not lose this mdnode.
- if (isDefinition)
- AllSubprograms.push_back(Node);
- return Node;
- });
+ assert(Ty.getTag() == dwarf::DW_TAG_subroutine_type &&
+ "function types should be subroutines");
+ auto *Node = MDSubprogram::get(
+ VMContext, MDScopeRef::get(DIScope(getNonCompileUnitScope(Context))),
+ Name, LinkageName, File.get(), LineNo,
+ cast_or_null<MDSubroutineType>(Ty.get()), isLocalToUnit, isDefinition,
+ ScopeLine, nullptr, 0, 0, Flags, isOptimized, Fn,
+ cast_or_null<MDTuple>(TParams), cast_or_null<MDSubprogram>(Decl),
+ MDTuple::getTemporary(VMContext, None).release());
+
+ if (isDefinition)
+ AllSubprograms.push_back(Node);
+ trackIfUnresolved(Node);
+ return Node;
}
DISubprogram
unsigned ScopeLine, unsigned Flags,
bool isOptimized, Function *Fn,
MDNode *TParams, MDNode *Decl) {
- return createFunctionHelper(VMContext, Context, Name, LinkageName, File,
- LineNo, Ty, isLocalToUnit, isDefinition, ScopeLine,
- Flags, isOptimized, Fn, TParams, Decl,
- [&] (ArrayRef<Value *> Elts) {
- return MDNode::getTemporary(VMContext, Elts);
- });
+ return MDSubprogram::getTemporary(
+ VMContext,
+ MDScopeRef::get(DIScope(getNonCompileUnitScope(Context))), Name,
+ LinkageName, File.get(), LineNo,
+ cast_or_null<MDSubroutineType>(Ty.get()), isLocalToUnit,
+ isDefinition, ScopeLine, nullptr, 0, 0, Flags, isOptimized, Fn,
+ cast_or_null<MDTuple>(TParams), cast_or_null<MDSubprogram>(Decl),
+ nullptr).release();
}
DISubprogram DIBuilder::createMethod(DIDescriptor Context, StringRef Name,
assert(getNonCompileUnitScope(Context) &&
"Methods should have both a Context and a context that isn't "
"the compile unit.");
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_subprogram)
- .concat(Name)
- .concat(Name)
- .concat(LinkageName)
- .concat(LineNo)
- .concat(isLocalToUnit)
- .concat(isDefinition)
- .concat(VK)
- .concat(VIndex)
- .concat(Flags)
- .concat(isOptimized)
- .concat(LineNo)
- // FIXME: Do we want to use different scope/lines?
- .get(VMContext),
- F.getFileNode(), DIScope(Context).getRef(), Ty,
- VTableHolder.getRef(), Fn, TParam, nullptr, nullptr};
- MDNode *Node = MDNode::get(VMContext, Elts);
+ // FIXME: Do we want to use different scope/lines?
+ auto *SP = MDSubprogram::get(
+ VMContext, MDScopeRef::get(cast<MDScope>(Context)), Name, LinkageName,
+ F.get(), LineNo, cast_or_null<MDSubroutineType>(Ty.get()), isLocalToUnit,
+ isDefinition, LineNo, MDTypeRef::get(VTableHolder), VK, VIndex, Flags,
+ isOptimized, Fn, cast_or_null<MDTuple>(TParam), nullptr, nullptr);
+
if (isDefinition)
- AllSubprograms.push_back(Node);
- DISubprogram S(Node);
- assert(S.isSubprogram() && "createMethod should return a valid DISubprogram");
- return S;
+ AllSubprograms.push_back(SP);
+ trackIfUnresolved(SP);
+ return SP;
}
DINameSpace DIBuilder::createNameSpace(DIDescriptor Scope, StringRef Name,
DIFile File, unsigned LineNo) {
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_namespace)
- .concat(Name)
- .concat(LineNo)
- .get(VMContext),
- File.getFileNode(), getNonCompileUnitScope(Scope)};
- DINameSpace R(MDNode::get(VMContext, Elts));
- assert(R.Verify() &&
- "createNameSpace should return a verifiable DINameSpace");
- return R;
+ return MDNamespace::get(VMContext, getNonCompileUnitScope(Scope), File, Name,
+ LineNo);
}
DILexicalBlockFile DIBuilder::createLexicalBlockFile(DIDescriptor Scope,
DIFile File,
unsigned Discriminator) {
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_lexical_block)
- .concat(Discriminator)
- .get(VMContext),
- File.getFileNode(), Scope};
- DILexicalBlockFile R(MDNode::get(VMContext, Elts));
- assert(
- R.Verify() &&
- "createLexicalBlockFile should return a verifiable DILexicalBlockFile");
- return R;
+ return MDLexicalBlockFile::get(VMContext, Scope, File.getFileNode(),
+ Discriminator);
}
DILexicalBlock DIBuilder::createLexicalBlock(DIDescriptor Scope, DIFile File,
unsigned Line, unsigned Col) {
- // FIXME: This isn't thread safe nor the right way to defeat MDNode uniquing.
- // I believe the right way is to have a self-referential element in the node.
- // Also: why do we bother with line/column - they're not used and the
- // documentation (SourceLevelDebugging.rst) claims the line/col are necessary
- // for uniquing, yet then we have this other solution (because line/col were
- // inadequate) anyway. Remove all 3 and replace them with a self-reference.
-
- // Defeat MDNode uniquing for lexical blocks by using unique id.
- static unsigned int unique_id = 0;
- Value *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_lexical_block)
- .concat(Line)
- .concat(Col)
- .concat(unique_id++)
- .get(VMContext),
- File.getFileNode(), getNonCompileUnitScope(Scope)};
- DILexicalBlock R(MDNode::get(VMContext, Elts));
- assert(R.Verify() &&
- "createLexicalBlock should return a verifiable DILexicalBlock");
- return R;
+ // Make these distinct, to avoid merging two lexical blocks on the same
+ // file/line/column.
+ return MDLexicalBlock::getDistinct(VMContext, getNonCompileUnitScope(Scope),
+ File.getFileNode(), Line, Col);
+}
+
+static Value *getDbgIntrinsicValueImpl(LLVMContext &VMContext, Value *V) {
+ assert(V && "no value passed to dbg intrinsic");
+ return MetadataAsValue::get(VMContext, ValueAsMetadata::get(V));
+}
+
+static Instruction *withDebugLoc(Instruction *I, const MDLocation *DL) {
+ I->setDebugLoc(const_cast<MDLocation *>(DL));
+ return I;
}
Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo,
- DIExpression Expr,
+ DIExpression Expr, const MDLocation *DL,
Instruction *InsertBefore) {
- assert(Storage && "no storage passed to dbg.declare");
- assert(VarInfo.isVariable() &&
- "empty or invalid DIVariable passed to dbg.declare");
+ assert(VarInfo && "empty or invalid DIVariable passed to dbg.declare");
+ assert(DL && "Expected debug loc");
+ assert(DL->getScope()->getSubprogram() ==
+ VarInfo->getScope()->getSubprogram() &&
+ "Expected matching subprograms");
if (!DeclareFn)
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
- Value *Args[] = {MDNode::get(Storage->getContext(), Storage), VarInfo, Expr};
- return CallInst::Create(DeclareFn, Args, "", InsertBefore);
+ trackIfUnresolved(VarInfo);
+ trackIfUnresolved(Expr);
+ Value *Args[] = {getDbgIntrinsicValueImpl(VMContext, Storage),
+ MetadataAsValue::get(VMContext, VarInfo),
+ MetadataAsValue::get(VMContext, Expr)};
+ return withDebugLoc(CallInst::Create(DeclareFn, Args, "", InsertBefore), DL);
}
Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo,
- DIExpression Expr,
+ DIExpression Expr, const MDLocation *DL,
BasicBlock *InsertAtEnd) {
- assert(Storage && "no storage passed to dbg.declare");
- assert(VarInfo.isVariable() &&
- "empty or invalid DIVariable passed to dbg.declare");
+ assert(VarInfo && "empty or invalid DIVariable passed to dbg.declare");
+ assert(DL && "Expected debug loc");
+ assert(DL->getScope()->getSubprogram() ==
+ VarInfo->getScope()->getSubprogram() &&
+ "Expected matching subprograms");
if (!DeclareFn)
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
- Value *Args[] = {MDNode::get(Storage->getContext(), Storage), VarInfo, Expr};
+ trackIfUnresolved(VarInfo);
+ trackIfUnresolved(Expr);
+ Value *Args[] = {getDbgIntrinsicValueImpl(VMContext, Storage),
+ MetadataAsValue::get(VMContext, VarInfo),
+ MetadataAsValue::get(VMContext, Expr)};
// If this block already has a terminator then insert this intrinsic
// before the terminator.
if (TerminatorInst *T = InsertAtEnd->getTerminator())
- return CallInst::Create(DeclareFn, Args, "", T);
- else
- return CallInst::Create(DeclareFn, Args, "", InsertAtEnd);
+ return withDebugLoc(CallInst::Create(DeclareFn, Args, "", T), DL);
+ return withDebugLoc(CallInst::Create(DeclareFn, Args, "", InsertAtEnd), DL);
}
Instruction *DIBuilder::insertDbgValueIntrinsic(Value *V, uint64_t Offset,
DIVariable VarInfo,
DIExpression Expr,
+ const MDLocation *DL,
Instruction *InsertBefore) {
assert(V && "no value passed to dbg.value");
- assert(VarInfo.isVariable() &&
- "empty or invalid DIVariable passed to dbg.value");
+ assert(VarInfo && "empty or invalid DIVariable passed to dbg.value");
+ assert(DL && "Expected debug loc");
+ assert(DL->getScope()->getSubprogram() ==
+ VarInfo->getScope()->getSubprogram() &&
+ "Expected matching subprograms");
if (!ValueFn)
ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
- Value *Args[] = {MDNode::get(V->getContext(), V),
- ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
- VarInfo, Expr};
- return CallInst::Create(ValueFn, Args, "", InsertBefore);
+ trackIfUnresolved(VarInfo);
+ trackIfUnresolved(Expr);
+ Value *Args[] = {getDbgIntrinsicValueImpl(VMContext, V),
+ ConstantInt::get(Type::getInt64Ty(VMContext), Offset),
+ MetadataAsValue::get(VMContext, VarInfo),
+ MetadataAsValue::get(VMContext, Expr)};
+ return withDebugLoc(CallInst::Create(ValueFn, Args, "", InsertBefore), DL);
}
Instruction *DIBuilder::insertDbgValueIntrinsic(Value *V, uint64_t Offset,
DIVariable VarInfo,
DIExpression Expr,
+ const MDLocation *DL,
BasicBlock *InsertAtEnd) {
assert(V && "no value passed to dbg.value");
- assert(VarInfo.isVariable() &&
- "empty or invalid DIVariable passed to dbg.value");
+ assert(VarInfo && "empty or invalid DIVariable passed to dbg.value");
+ assert(DL && "Expected debug loc");
+ assert(DL->getScope()->getSubprogram() ==
+ VarInfo->getScope()->getSubprogram() &&
+ "Expected matching subprograms");
if (!ValueFn)
ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
- Value *Args[] = {MDNode::get(V->getContext(), V),
- ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
- VarInfo, Expr};
- return CallInst::Create(ValueFn, Args, "", InsertAtEnd);
+ trackIfUnresolved(VarInfo);
+ trackIfUnresolved(Expr);
+ Value *Args[] = {getDbgIntrinsicValueImpl(VMContext, V),
+ ConstantInt::get(Type::getInt64Ty(VMContext), Offset),
+ MetadataAsValue::get(VMContext, VarInfo),
+ MetadataAsValue::get(VMContext, Expr)};
+
+ return withDebugLoc(CallInst::Create(ValueFn, Args, "", InsertAtEnd), DL);
+}
+
+void DIBuilder::replaceVTableHolder(DICompositeType &T, DICompositeType VTableHolder) {
+ {
+ TypedTrackingMDRef<MDCompositeTypeBase> N(T);
+ N->replaceVTableHolder(MDTypeRef::get(VTableHolder));
+ T = N.get();
+ }
+
+ // If this didn't create a self-reference, just return.
+ if (T != VTableHolder)
+ return;
+
+ // Look for unresolved operands. T will drop RAUW support, orphaning any
+ // cycles underneath it.
+ if (T->isResolved())
+ for (const MDOperand &O : T->operands())
+ if (auto *N = dyn_cast_or_null<MDNode>(O))
+ trackIfUnresolved(N);
+}
+
+void DIBuilder::replaceArrays(DICompositeType &T, DIArray Elements,
+ DIArray TParams) {
+ {
+ TypedTrackingMDRef<MDCompositeTypeBase> N(T);
+ if (Elements)
+ N->replaceElements(Elements);
+ if (TParams)
+ N->replaceTemplateParams(MDTemplateParameterArray(TParams));
+ T = N.get();
+ }
+
+ // If T isn't resolved, there's no problem.
+ if (!T->isResolved())
+ return;
+
+ // If "T" is resolved, it may be due to a self-reference cycle. Track the
+ // arrays explicitly if they're unresolved, or else the cycles will be
+ // orphaned.
+ if (Elements)
+ trackIfUnresolved(Elements.get());
+ if (TParams)
+ trackIfUnresolved(TParams.get());
}
projects / oota-llvm.git / blobdiff