using namespace llvm;
using namespace llvm::dwarf;
-static Constant *GetTagConstant(LLVMContext &VMContext, unsigned Tag) {
- assert((Tag & LLVMDebugVersionMask) == 0 &&
- "Tag too large for debug encoding!");
- return ConstantInt::get(Type::getInt32Ty(VMContext), Tag | LLVMDebugVersion);
+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:
+ 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) {
+ if (IsEmpty)
+ IsEmpty = false;
+ else
+ Chars.push_back(0);
+ Twine(X).toVector(Chars);
+ return *this;
+ }
+
+ MDString *get(LLVMContext &Context) const {
+ return MDString::get(Context, StringRef(Chars.begin(), Chars.size()));
+ }
+
+ static HeaderBuilder get(unsigned Tag) {
+ return HeaderBuilder().concat("0x" + Twine::utohexstr(Tag));
+ }
+};
}
-DIBuilder::DIBuilder(Module &m)
- : M(m), VMContext(M.getContext()), TempEnumTypes(nullptr),
- TempRetainTypes(nullptr), TempSubprograms(nullptr), TempGVs(nullptr),
- DeclareFn(nullptr), ValueFn(nullptr) {}
+DIBuilder::DIBuilder(Module &m, bool AllowUnresolvedNodes)
+ : M(m), VMContext(M.getContext()), CUNode(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);
+}
-/// finalize - Construct any deferred debug info descriptors.
void DIBuilder::finalize() {
- DIArray Enums = getOrCreateArray(AllEnumTypes);
- DIType(TempEnumTypes).replaceAllUsesWith(Enums);
+ if (!CUNode) {
+ assert(!AllowUnresolvedNodes &&
+ "creating type nodes without a CU is not supported");
+ return;
+ }
+
+ CUNode->replaceEnumTypes(MDTuple::get(VMContext, AllEnumTypes));
- 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);
-
- DIArray SPs = getOrCreateArray(AllSubprograms);
- DIType(TempSubprograms).replaceAllUsesWith(SPs);
- for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i) {
- DISubprogram SP(SPs.getElement(i));
- SmallVector<Value *, 4> Variables;
- if (NamedMDNode *NMD = getFnSpecificMDNode(M, SP)) {
- for (unsigned ii = 0, ee = NMD->getNumOperands(); ii != ee; ++ii)
- Variables.push_back(NMD->getOperand(ii));
- NMD->eraseFromParent();
- }
- if (MDNode *Temp = SP.getVariablesNodes()) {
- DIArray AV = getOrCreateArray(Variables);
- DIType(Temp).replaceAllUsesWith(AV);
+
+ if (!RetainValues.empty())
+ CUNode->replaceRetainedTypes(MDTuple::get(VMContext, RetainValues));
+
+ DISubprogramArray SPs = MDTuple::get(VMContext, AllSubprograms);
+ if (!AllSubprograms.empty())
+ CUNode->replaceSubprograms(SPs.get());
+
+ for (auto *SP : SPs) {
+ if (MDTuple *Temp = SP->getVariables().get()) {
+ const auto &PV = PreservedVariables.lookup(SP);
+ SmallVector<Metadata *, 4> Variables(PV.begin(), PV.end());
+ DINodeArray AV = getOrCreateArray(Variables);
+ TempMDTuple(Temp)->replaceAllUsesWith(AV.get());
}
}
- DIArray GVs = getOrCreateArray(AllGVs);
- DIType(TempGVs).replaceAllUsesWith(GVs);
+ if (!AllGVs.empty())
+ CUNode->replaceGlobalVariables(MDTuple::get(VMContext, AllGVs));
- SmallVector<Value *, 16> RetainValuesI;
- for (unsigned I = 0, E = AllImportedModules.size(); I < E; I++)
- RetainValuesI.push_back(AllImportedModules[I]);
- DIArray IMs = getOrCreateArray(RetainValuesI);
- DIType(TempImportedModules).replaceAllUsesWith(IMs);
-}
+ if (!AllImportedModules.empty())
+ CUNode->replaceImportedEntities(MDTuple::get(
+ VMContext, SmallVector<Metadata *, 16>(AllImportedModules.begin(),
+ AllImportedModules.end())));
-/// getNonCompileUnitScope - If N is compile unit return NULL otherwise return
-/// N.
-static MDNode *getNonCompileUnitScope(MDNode *N) {
- if (DIDescriptor(N).isCompileUnit())
- return nullptr;
- return N;
+ // 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;
}
-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);
+/// If N is compile unit return NULL otherwise return N.
+static DIScope *getNonCompileUnitScope(DIScope *N) {
+ if (!N || isa<DICompileUnit>(N))
+ return nullptr;
+ return cast<DIScope>(N);
}
-/// createCompileUnit - A CompileUnit provides an anchor for all debugging
-/// information generated during this instance of compilation.
-DICompileUnit DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename,
- StringRef Directory,
- StringRef Producer, bool isOptimized,
- StringRef Flags, unsigned RunTimeVer,
- StringRef SplitName,
- DebugEmissionKind Kind,
- bool EmitDebugInfo) {
+DICompileUnit *DIBuilder::createCompileUnit(
+ unsigned Lang, StringRef Filename, StringRef Directory, StringRef Producer,
+ bool isOptimized, StringRef Flags, unsigned RunTimeVer, StringRef SplitName,
+ DebugEmissionKind Kind, uint64_t DWOId, 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[] = { GetTagConstant(VMContext, DW_TAG_base_type) };
- 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[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_compile_unit),
- createFilePathPair(VMContext, Filename, Directory),
- ConstantInt::get(Type::getInt32Ty(VMContext), Lang),
- MDString::get(VMContext, Producer),
- ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
- MDString::get(VMContext, Flags),
- ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeVer),
- TempEnumTypes,
- TempRetainTypes,
- TempSubprograms,
- TempGVs,
- TempImportedModules,
- MDString::get(VMContext, SplitName),
- ConstantInt::get(Type::getInt32Ty(VMContext), Kind)
- };
- MDNode *CUNode = MDNode::get(VMContext, Elts);
+ assert(!CUNode && "Can only make one compile unit per DIBuilder instance");
+ CUNode = DICompileUnit::getDistinct(
+ VMContext, Lang, DIFile::get(VMContext, Filename, Directory), Producer,
+ isOptimized, Flags, RunTimeVer, SplitName, Kind, nullptr,
+ nullptr, nullptr, nullptr, nullptr, DWOId);
// 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);
-}
-
-static DIImportedEntity
-createImportedModule(LLVMContext &C, dwarf::Tag Tag, DIScope Context,
- Value *NS, unsigned Line, StringRef Name,
- SmallVectorImpl<TrackingVH<MDNode>> &AllImportedModules) {
- const MDNode *R;
- if (Name.empty()) {
- Value *Elts[] = {
- GetTagConstant(C, Tag),
- Context,
- NS,
- ConstantInt::get(Type::getInt32Ty(C), Line),
- };
- R = MDNode::get(C, Elts);
- } else {
- Value *Elts[] = {
- GetTagConstant(C, Tag),
- Context,
- NS,
- ConstantInt::get(Type::getInt32Ty(C), Line),
- MDString::get(C, Name)
- };
- R = MDNode::get(C, Elts);
- }
- DIImportedEntity M(R);
- assert(M.Verify() && "Imported module should be valid");
- AllImportedModules.push_back(TrackingVH<MDNode>(M));
+ trackIfUnresolved(CUNode);
+ return CUNode;
+}
+
+static DIImportedEntity *
+createImportedModule(LLVMContext &C, dwarf::Tag Tag, DIScope *Context,
+ Metadata *NS, unsigned Line, StringRef Name,
+ SmallVectorImpl<TrackingMDNodeRef> &AllImportedModules) {
+ auto *M = DIImportedEntity::get(C, Tag, Context, DINodeRef(NS), Line, Name);
+ AllImportedModules.emplace_back(M);
return M;
}
-DIImportedEntity DIBuilder::createImportedModule(DIScope Context,
- DINameSpace NS,
- unsigned Line) {
+DIImportedEntity *DIBuilder::createImportedModule(DIScope *Context,
+ DINamespace *NS,
+ unsigned Line) {
return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_module,
Context, NS, Line, StringRef(), AllImportedModules);
}
-DIImportedEntity DIBuilder::createImportedModule(DIScope Context,
- DIImportedEntity NS,
- unsigned Line) {
+DIImportedEntity *DIBuilder::createImportedModule(DIScope *Context,
+ DIImportedEntity *NS,
+ unsigned Line) {
return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_module,
Context, NS, Line, StringRef(), AllImportedModules);
}
-DIImportedEntity DIBuilder::createImportedDeclaration(DIScope Context,
- DIScope Decl,
- unsigned Line, StringRef Name) {
- return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_declaration,
- Context, Decl.getRef(), Line, Name,
- AllImportedModules);
+DIImportedEntity *DIBuilder::createImportedModule(DIScope *Context, DIModule *M,
+ unsigned Line) {
+ return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_module,
+ Context, M, Line, StringRef(), AllImportedModules);
}
-DIImportedEntity DIBuilder::createImportedDeclaration(DIScope Context,
- DIImportedEntity Imp,
- unsigned Line, StringRef Name) {
+DIImportedEntity *DIBuilder::createImportedDeclaration(DIScope *Context,
+ DINode *Decl,
+ unsigned Line,
+ StringRef Name) {
+ // Make sure to use the unique identifier based metadata reference for
+ // types that have one.
return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_declaration,
- Context, Imp, Line, Name, AllImportedModules);
+ Context, DINodeRef::get(Decl), Line, Name,
+ AllImportedModules);
}
-/// createFile - Create a file descriptor to hold debugging information
-/// for a file.
-DIFile DIBuilder::createFile(StringRef Filename, StringRef Directory) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_file_type),
- createFilePathPair(VMContext, Filename, Directory)
- };
- return DIFile(MDNode::get(VMContext, Elts));
+DIFile *DIBuilder::createFile(StringRef Filename, StringRef Directory) {
+ return DIFile::get(VMContext, Filename, Directory);
}
-/// createEnumerator - Create a single enumerator value.
-DIEnumerator DIBuilder::createEnumerator(StringRef Name, int64_t Val) {
+DIEnumerator *DIBuilder::createEnumerator(StringRef Name, int64_t Val) {
assert(!Name.empty() && "Unable to create enumerator without name");
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_enumerator),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt64Ty(VMContext), Val)
- };
- return DIEnumerator(MDNode::get(VMContext, Elts));
+ return DIEnumerator::get(VMContext, Val, Name);
}
-/// \brief Create a DWARF unspecified type.
-DIBasicType DIBuilder::createUnspecifiedType(StringRef 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[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_unspecified_type),
- nullptr, // Filename
- nullptr, // Unused
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags;
- ConstantInt::get(Type::getInt32Ty(VMContext), 0) // Encoding
- };
- return DIBasicType(MDNode::get(VMContext, Elts));
-}
-
-/// \brief Create C++11 nullptr type.
-DIBasicType DIBuilder::createNullPtrType() {
+ return DIBasicType::get(VMContext, dwarf::DW_TAG_unspecified_type, Name);
+}
+
+DIBasicType *DIBuilder::createNullPtrType() {
return createUnspecifiedType("decltype(nullptr)");
}
-/// createBasicType - Create debugging information entry for a basic
-/// type, e.g 'char'.
-DIBasicType
-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[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_base_type),
- nullptr, // File/directory name
- nullptr, // Unused
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags;
- ConstantInt::get(Type::getInt32Ty(VMContext), Encoding)
- };
- return DIBasicType(MDNode::get(VMContext, Elts));
-}
-
-/// createQualifiedType - Create debugging information entry for a qualified
-/// type, e.g. 'const int'.
-DIDerivedType DIBuilder::createQualifiedType(unsigned Tag, DIType FromTy) {
- // Qualified types are encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, Tag),
- nullptr, // Filename
- nullptr, // Unused
- MDString::get(VMContext, StringRef()), // Empty name.
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- FromTy.getRef()
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createPointerType - Create debugging information entry for a pointer.
-DIDerivedType
-DIBuilder::createPointerType(DIType PointeeTy, uint64_t SizeInBits,
- uint64_t AlignInBits, StringRef Name) {
- // Pointer types are encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_pointer_type),
- nullptr, // Filename
- nullptr, // Unused
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- PointeeTy.getRef()
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-DIDerivedType DIBuilder::createMemberPointerType(DIType PointeeTy,
- DIType Base) {
- // Pointer types are encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_ptr_to_member_type),
- nullptr, // Filename
- nullptr, // Unused
- nullptr,
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- PointeeTy.getRef(),
- Base.getRef()
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createReferenceType - Create debugging information entry for a reference
-/// type.
-DIDerivedType DIBuilder::createReferenceType(unsigned Tag, DIType RTy) {
- assert(RTy.isType() && "Unable to create reference type");
- // References are encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, Tag),
- nullptr, // Filename
- nullptr, // TheCU,
- nullptr, // Name
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- RTy.getRef()
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createTypedef - Create debugging information entry for a typedef.
-DIDerivedType DIBuilder::createTypedef(DIType Ty, StringRef Name, DIFile File,
- unsigned LineNo, DIDescriptor Context) {
- // typedefs are encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_typedef),
- File.getFileNode(),
- DIScope(getNonCompileUnitScope(Context)).getRef(),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- Ty.getRef()
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createFriend - Create debugging information entry for a 'friend'.
-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[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_friend),
- nullptr,
- Ty.getRef(),
- nullptr, // Name
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- FriendTy.getRef()
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createInheritance - Create debugging information entry to establish
-/// inheritance relationship between two types.
-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[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_inheritance),
- nullptr,
- Ty.getRef(),
- nullptr, // Name
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), BaseOffset),
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- BaseTy.getRef()
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createMemberType - Create debugging information entry for a member.
-DIDerivedType DIBuilder::createMemberType(DIDescriptor Scope, StringRef Name,
- DIFile File, unsigned LineNumber,
- uint64_t SizeInBits,
- uint64_t AlignInBits,
- uint64_t OffsetInBits, unsigned Flags,
- DIType Ty) {
- // TAG_member is encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_member),
- File.getFileNode(),
- DIScope(getNonCompileUnitScope(Scope)).getRef(),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- Ty.getRef()
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createStaticMemberType - Create debugging information entry for a
-/// C++ static data member.
-DIDerivedType
-DIBuilder::createStaticMemberType(DIDescriptor Scope, StringRef Name,
- DIFile File, unsigned LineNumber,
- DIType Ty, unsigned Flags,
- llvm::Value *Val) {
- // TAG_member is encoded in DIDerivedType format.
- Flags |= DIDescriptor::FlagStaticMember;
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_member),
- File.getFileNode(),
- DIScope(getNonCompileUnitScope(Scope)).getRef(),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- Ty.getRef(),
- Val
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createObjCIVar - Create debugging information entry for Objective-C
-/// instance variable.
-DIDerivedType DIBuilder::createObjCIVar(StringRef Name, DIFile File,
- unsigned LineNumber,
- uint64_t SizeInBits,
+DIBasicType *DIBuilder::createBasicType(StringRef Name, uint64_t SizeInBits,
uint64_t AlignInBits,
- uint64_t OffsetInBits, unsigned Flags,
- DIType Ty, MDNode *PropertyNode) {
- // TAG_member is encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_member),
- File.getFileNode(),
- getNonCompileUnitScope(File),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- Ty,
- PropertyNode
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createObjCProperty - Create debugging information entry for Objective-C
-/// property.
-DIObjCProperty
-DIBuilder::createObjCProperty(StringRef Name, DIFile File, unsigned LineNumber,
- StringRef GetterName, StringRef SetterName,
- unsigned PropertyAttributes, DIType Ty) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_APPLE_property),
- MDString::get(VMContext, Name),
- File,
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- MDString::get(VMContext, GetterName),
- MDString::get(VMContext, SetterName),
- ConstantInt::get(Type::getInt32Ty(VMContext), PropertyAttributes),
- Ty
- };
- return DIObjCProperty(MDNode::get(VMContext, Elts));
-}
-
-/// createTemplateTypeParameter - Create debugging information for template
-/// type parameter.
-DITemplateTypeParameter
-DIBuilder::createTemplateTypeParameter(DIDescriptor Context, StringRef Name,
- DIType Ty, MDNode *File, unsigned LineNo,
- unsigned ColumnNo) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_template_type_parameter),
- DIScope(getNonCompileUnitScope(Context)).getRef(),
- MDString::get(VMContext, Name),
- Ty.getRef(),
- File,
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo)
- };
- return DITemplateTypeParameter(MDNode::get(VMContext, Elts));
-}
-
-DITemplateValueParameter
-DIBuilder::createTemplateValueParameter(unsigned Tag, DIDescriptor Context,
- StringRef Name, DIType Ty,
- Value *Val, MDNode *File,
- unsigned LineNo,
- unsigned ColumnNo) {
- Value *Elts[] = {
- GetTagConstant(VMContext, Tag),
- DIScope(getNonCompileUnitScope(Context)).getRef(),
- MDString::get(VMContext, Name),
- Ty.getRef(),
- Val,
- File,
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo)
- };
- return DITemplateValueParameter(MDNode::get(VMContext, Elts));
-}
-
-/// createTemplateValueParameter - Create debugging information for template
-/// value parameter.
-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);
-}
-
-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);
-}
-
-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);
-}
-
-/// createClassType - Create debugging information entry for a class.
-DICompositeType DIBuilder::createClassType(DIDescriptor Context, StringRef Name,
- DIFile File, unsigned LineNumber,
+ unsigned Encoding) {
+ assert(!Name.empty() && "Unable to create type without name");
+ return DIBasicType::get(VMContext, dwarf::DW_TAG_base_type, Name, SizeInBits,
+ AlignInBits, Encoding);
+}
+
+DIDerivedType *DIBuilder::createQualifiedType(unsigned Tag, DIType *FromTy) {
+ return DIDerivedType::get(VMContext, Tag, "", nullptr, 0, nullptr,
+ DITypeRef::get(FromTy), 0, 0, 0, 0);
+}
+
+DIDerivedType *DIBuilder::createPointerType(DIType *PointeeTy,
+ uint64_t SizeInBits,
+ uint64_t AlignInBits,
+ StringRef Name) {
+ // FIXME: Why is there a name here?
+ return DIDerivedType::get(VMContext, dwarf::DW_TAG_pointer_type, Name,
+ nullptr, 0, nullptr, DITypeRef::get(PointeeTy),
+ SizeInBits, AlignInBits, 0, 0);
+}
+
+DIDerivedType *DIBuilder::createMemberPointerType(DIType *PointeeTy,
+ DIType *Base,
+ uint64_t SizeInBits,
+ uint64_t AlignInBits) {
+ return DIDerivedType::get(VMContext, dwarf::DW_TAG_ptr_to_member_type, "",
+ nullptr, 0, nullptr, DITypeRef::get(PointeeTy),
+ SizeInBits, AlignInBits, 0, 0,
+ DITypeRef::get(Base));
+}
+
+DIDerivedType *DIBuilder::createReferenceType(unsigned Tag, DIType *RTy) {
+ assert(RTy && "Unable to create reference type");
+ return DIDerivedType::get(VMContext, Tag, "", nullptr, 0, nullptr,
+ DITypeRef::get(RTy), 0, 0, 0, 0);
+}
+
+DIDerivedType *DIBuilder::createTypedef(DIType *Ty, StringRef Name,
+ DIFile *File, unsigned LineNo,
+ DIScope *Context) {
+ return DIDerivedType::get(VMContext, dwarf::DW_TAG_typedef, Name, File,
+ LineNo,
+ DIScopeRef::get(getNonCompileUnitScope(Context)),
+ DITypeRef::get(Ty), 0, 0, 0, 0);
+}
+
+DIDerivedType *DIBuilder::createFriend(DIType *Ty, DIType *FriendTy) {
+ assert(Ty && "Invalid type!");
+ assert(FriendTy && "Invalid friend type!");
+ return DIDerivedType::get(VMContext, dwarf::DW_TAG_friend, "", nullptr, 0,
+ DITypeRef::get(Ty), DITypeRef::get(FriendTy), 0, 0,
+ 0, 0);
+}
+
+DIDerivedType *DIBuilder::createInheritance(DIType *Ty, DIType *BaseTy,
+ uint64_t BaseOffset,
+ unsigned Flags) {
+ assert(Ty && "Unable to create inheritance");
+ return DIDerivedType::get(VMContext, dwarf::DW_TAG_inheritance, "", nullptr,
+ 0, DITypeRef::get(Ty), DITypeRef::get(BaseTy), 0, 0,
+ BaseOffset, Flags);
+}
+
+DIDerivedType *DIBuilder::createMemberType(DIScope *Scope, StringRef Name,
+ DIFile *File, unsigned LineNumber,
uint64_t SizeInBits,
uint64_t AlignInBits,
uint64_t OffsetInBits,
- unsigned Flags, DIType DerivedFrom,
- DIArray Elements,
- DIType VTableHolder,
- MDNode *TemplateParams,
- StringRef UniqueIdentifier) {
- assert((!Context || Context.isScope() || Context.isType()) &&
+ unsigned Flags, DIType *Ty) {
+ return DIDerivedType::get(
+ VMContext, dwarf::DW_TAG_member, Name, File, LineNumber,
+ DIScopeRef::get(getNonCompileUnitScope(Scope)), DITypeRef::get(Ty),
+ SizeInBits, AlignInBits, OffsetInBits, Flags);
+}
+
+static ConstantAsMetadata *getConstantOrNull(Constant *C) {
+ if (C)
+ return ConstantAsMetadata::get(C);
+ return nullptr;
+}
+
+DIDerivedType *DIBuilder::createStaticMemberType(DIScope *Scope, StringRef Name,
+ DIFile *File,
+ unsigned LineNumber,
+ DIType *Ty, unsigned Flags,
+ llvm::Constant *Val) {
+ Flags |= DINode::FlagStaticMember;
+ return DIDerivedType::get(
+ VMContext, dwarf::DW_TAG_member, Name, File, LineNumber,
+ DIScopeRef::get(getNonCompileUnitScope(Scope)), DITypeRef::get(Ty), 0, 0,
+ 0, Flags, getConstantOrNull(Val));
+}
+
+DIDerivedType *DIBuilder::createObjCIVar(StringRef Name, DIFile *File,
+ unsigned LineNumber,
+ uint64_t SizeInBits,
+ uint64_t AlignInBits,
+ uint64_t OffsetInBits, unsigned Flags,
+ DIType *Ty, MDNode *PropertyNode) {
+ return DIDerivedType::get(
+ VMContext, dwarf::DW_TAG_member, Name, File, LineNumber,
+ DIScopeRef::get(getNonCompileUnitScope(File)), DITypeRef::get(Ty),
+ SizeInBits, AlignInBits, OffsetInBits, Flags, PropertyNode);
+}
+
+DIObjCProperty *
+DIBuilder::createObjCProperty(StringRef Name, DIFile *File, unsigned LineNumber,
+ StringRef GetterName, StringRef SetterName,
+ unsigned PropertyAttributes, DIType *Ty) {
+ return DIObjCProperty::get(VMContext, Name, File, LineNumber, GetterName,
+ SetterName, PropertyAttributes,
+ DITypeRef::get(Ty));
+}
+
+DITemplateTypeParameter *
+DIBuilder::createTemplateTypeParameter(DIScope *Context, StringRef Name,
+ DIType *Ty) {
+ assert((!Context || isa<DICompileUnit>(Context)) && "Expected compile unit");
+ return DITemplateTypeParameter::get(VMContext, Name, DITypeRef::get(Ty));
+}
+
+static DITemplateValueParameter *
+createTemplateValueParameterHelper(LLVMContext &VMContext, unsigned Tag,
+ DIScope *Context, StringRef Name, DIType *Ty,
+ Metadata *MD) {
+ assert((!Context || isa<DICompileUnit>(Context)) && "Expected compile unit");
+ return DITemplateValueParameter::get(VMContext, Tag, Name, DITypeRef::get(Ty),
+ MD);
+}
+
+DITemplateValueParameter *
+DIBuilder::createTemplateValueParameter(DIScope *Context, StringRef Name,
+ DIType *Ty, Constant *Val) {
+ return createTemplateValueParameterHelper(
+ VMContext, dwarf::DW_TAG_template_value_parameter, Context, Name, Ty,
+ getConstantOrNull(Val));
+}
+
+DITemplateValueParameter *
+DIBuilder::createTemplateTemplateParameter(DIScope *Context, StringRef Name,
+ DIType *Ty, StringRef Val) {
+ return createTemplateValueParameterHelper(
+ VMContext, dwarf::DW_TAG_GNU_template_template_param, Context, Name, Ty,
+ MDString::get(VMContext, Val));
+}
+
+DITemplateValueParameter *
+DIBuilder::createTemplateParameterPack(DIScope *Context, StringRef Name,
+ DIType *Ty, DINodeArray Val) {
+ return createTemplateValueParameterHelper(
+ VMContext, dwarf::DW_TAG_GNU_template_parameter_pack, Context, Name, Ty,
+ Val.get());
+}
+
+DICompositeType *DIBuilder::createClassType(
+ DIScope *Context, StringRef Name, DIFile *File, unsigned LineNumber,
+ uint64_t SizeInBits, uint64_t AlignInBits, uint64_t OffsetInBits,
+ unsigned Flags, DIType *DerivedFrom, DINodeArray Elements,
+ DIType *VTableHolder, MDNode *TemplateParams, StringRef UniqueIdentifier) {
+ assert((!Context || isa<DIScope>(Context)) &&
"createClassType should be called with a valid Context");
- // TAG_class_type is encoded in DICompositeType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_class_type),
- File.getFileNode(),
- DIScope(getNonCompileUnitScope(Context)).getRef(),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), OffsetInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- DerivedFrom.getRef(),
- Elements,
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- VTableHolder.getRef(),
- TemplateParams,
- UniqueIdentifier.empty() ? nullptr
- : MDString::get(VMContext, UniqueIdentifier)
- };
- DICompositeType R(MDNode::get(VMContext, Elts));
- assert(R.isCompositeType() &&
- "createClassType should return a DICompositeType");
+
+ auto *R = DICompositeType::get(
+ VMContext, dwarf::DW_TAG_structure_type, Name, File, LineNumber,
+ DIScopeRef::get(getNonCompileUnitScope(Context)),
+ DITypeRef::get(DerivedFrom), SizeInBits, AlignInBits, OffsetInBits, Flags,
+ Elements, 0, DITypeRef::get(VTableHolder),
+ cast_or_null<MDTuple>(TemplateParams), UniqueIdentifier);
if (!UniqueIdentifier.empty())
retainType(R);
+ trackIfUnresolved(R);
return R;
}
-/// createStructType - Create debugging information entry for a struct.
-DICompositeType DIBuilder::createStructType(DIDescriptor Context,
- StringRef Name, DIFile File,
- unsigned LineNumber,
- uint64_t SizeInBits,
- uint64_t AlignInBits,
- unsigned Flags, DIType DerivedFrom,
- DIArray Elements,
- unsigned RunTimeLang,
- DIType VTableHolder,
- StringRef UniqueIdentifier) {
- // TAG_structure_type is encoded in DICompositeType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_structure_type),
- File.getFileNode(),
- DIScope(getNonCompileUnitScope(Context)).getRef(),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- DerivedFrom.getRef(),
- Elements,
- ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang),
- 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 *DIBuilder::createStructType(
+ DIScope *Context, StringRef Name, DIFile *File, unsigned LineNumber,
+ uint64_t SizeInBits, uint64_t AlignInBits, unsigned Flags,
+ DIType *DerivedFrom, DINodeArray Elements, unsigned RunTimeLang,
+ DIType *VTableHolder, StringRef UniqueIdentifier) {
+ auto *R = DICompositeType::get(
+ VMContext, dwarf::DW_TAG_structure_type, Name, File, LineNumber,
+ DIScopeRef::get(getNonCompileUnitScope(Context)),
+ DITypeRef::get(DerivedFrom), SizeInBits, AlignInBits, 0, Flags, Elements,
+ RunTimeLang, DITypeRef::get(VTableHolder), nullptr, UniqueIdentifier);
if (!UniqueIdentifier.empty())
retainType(R);
+ trackIfUnresolved(R);
return R;
}
-/// createUnionType - Create debugging information entry for an union.
-DICompositeType DIBuilder::createUnionType(DIDescriptor Scope, StringRef Name,
- DIFile File, unsigned LineNumber,
- uint64_t SizeInBits,
- uint64_t AlignInBits, unsigned Flags,
- DIArray Elements,
- unsigned RunTimeLang,
- StringRef UniqueIdentifier) {
- // TAG_union_type is encoded in DICompositeType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_union_type),
- File.getFileNode(),
- DIScope(getNonCompileUnitScope(Scope)).getRef(),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- nullptr,
- Elements,
- ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang),
- nullptr,
- nullptr,
- UniqueIdentifier.empty() ? nullptr
- : MDString::get(VMContext, UniqueIdentifier)
- };
- DICompositeType R(MDNode::get(VMContext, Elts));
+DICompositeType *DIBuilder::createUnionType(
+ DIScope *Scope, StringRef Name, DIFile *File, unsigned LineNumber,
+ uint64_t SizeInBits, uint64_t AlignInBits, unsigned Flags,
+ DINodeArray Elements, unsigned RunTimeLang, StringRef UniqueIdentifier) {
+ auto *R = DICompositeType::get(
+ VMContext, dwarf::DW_TAG_union_type, Name, File, LineNumber,
+ DIScopeRef::get(getNonCompileUnitScope(Scope)), nullptr, SizeInBits,
+ AlignInBits, 0, Flags, Elements, RunTimeLang, nullptr, nullptr,
+ UniqueIdentifier);
if (!UniqueIdentifier.empty())
retainType(R);
+ trackIfUnresolved(R);
return R;
}
-/// createSubroutineType - Create subroutine type.
-DISubroutineType DIBuilder::createSubroutineType(DIFile File,
- DITypeArray ParameterTypes,
- unsigned Flags) {
- // TAG_subroutine_type is encoded in DICompositeType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_subroutine_type),
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- nullptr,
- MDString::get(VMContext, ""),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags), // Flags
- nullptr,
- ParameterTypes,
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- nullptr,
- nullptr,
- nullptr // Type Identifer
- };
- return DISubroutineType(MDNode::get(VMContext, Elts));
-}
-
-/// createEnumerationType - Create debugging information entry for an
-/// enumeration.
-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[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_enumeration_type),
- File.getFileNode(),
- DIScope(getNonCompileUnitScope(Scope)).getRef(),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- UnderlyingType.getRef(),
- Elements,
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- nullptr,
- nullptr,
- UniqueIdentifier.empty() ? nullptr
- : MDString::get(VMContext, UniqueIdentifier)
- };
- DICompositeType CTy(MDNode::get(VMContext, Elts));
+DISubroutineType *DIBuilder::createSubroutineType(DITypeRefArray ParameterTypes,
+ unsigned Flags) {
+ return DISubroutineType::get(VMContext, Flags, ParameterTypes);
+}
+
+DICompositeType *DIBuilder::createExternalTypeRef(unsigned Tag, DIFile *File,
+ StringRef UniqueIdentifier) {
+ assert(!UniqueIdentifier.empty() && "external type ref without uid");
+ auto *CTy =
+ DICompositeType::get(VMContext, Tag, "", nullptr, 0, nullptr, nullptr, 0,
+ 0, 0, DINode::FlagExternalTypeRef, nullptr, 0,
+ nullptr, nullptr, UniqueIdentifier);
+ // Types with unique IDs need to be in the type map.
+ retainType(CTy);
+ return CTy;
+}
+
+DICompositeType *DIBuilder::createEnumerationType(
+ DIScope *Scope, StringRef Name, DIFile *File, unsigned LineNumber,
+ uint64_t SizeInBits, uint64_t AlignInBits, DINodeArray Elements,
+ DIType *UnderlyingType, StringRef UniqueIdentifier) {
+ auto *CTy = DICompositeType::get(
+ VMContext, dwarf::DW_TAG_enumeration_type, Name, File, LineNumber,
+ DIScopeRef::get(getNonCompileUnitScope(Scope)),
+ DITypeRef::get(UnderlyingType), SizeInBits, AlignInBits, 0, 0, Elements,
+ 0, nullptr, nullptr, UniqueIdentifier);
AllEnumTypes.push_back(CTy);
if (!UniqueIdentifier.empty())
retainType(CTy);
+ trackIfUnresolved(CTy);
return CTy;
}
-/// createArrayType - Create debugging information entry for an array.
-DICompositeType DIBuilder::createArrayType(uint64_t Size, uint64_t AlignInBits,
- DIType Ty, DIArray Subscripts) {
- // TAG_array_type is encoded in DICompositeType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_array_type),
- nullptr, // Filename/Directory,
- nullptr, // Unused
- MDString::get(VMContext, ""),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), Size),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- Ty.getRef(),
- Subscripts,
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- nullptr,
- nullptr,
- nullptr // Type Identifer
- };
- return DICompositeType(MDNode::get(VMContext, Elts));
-}
-
-/// createVectorType - Create debugging information entry for a vector.
-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[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_array_type),
- nullptr, // Filename/Directory,
- nullptr, // Unused
- MDString::get(VMContext, ""),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), Size),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), DIType::FlagVector),
- Ty.getRef(),
- Subscripts,
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- nullptr,
- nullptr,
- nullptr // Type Identifer
- };
- return DICompositeType(MDNode::get(VMContext, Elts));
-}
-
-/// createArtificialType - Create a new DIType with "artificial" flag set.
-DIType DIBuilder::createArtificialType(DIType Ty) {
- if (Ty.isArtificial())
- return Ty;
-
- SmallVector<Value *, 9> Elts;
- MDNode *N = Ty;
- assert (N && "Unexpected input DIType!");
- for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
- Elts.push_back(N->getOperand(i));
-
- unsigned CurFlags = Ty.getFlags();
- CurFlags = CurFlags | DIType::FlagArtificial;
+DICompositeType *DIBuilder::createArrayType(uint64_t Size, uint64_t AlignInBits,
+ DIType *Ty,
+ DINodeArray Subscripts) {
+ auto *R = DICompositeType::get(VMContext, dwarf::DW_TAG_array_type, "",
+ nullptr, 0, nullptr, DITypeRef::get(Ty), Size,
+ AlignInBits, 0, 0, Subscripts, 0, nullptr);
+ trackIfUnresolved(R);
+ return R;
+}
- // Flags are stored at this slot.
- // FIXME: Add an enum for this magic value.
- Elts[8] = ConstantInt::get(Type::getInt32Ty(VMContext), CurFlags);
+DICompositeType *DIBuilder::createVectorType(uint64_t Size,
+ uint64_t AlignInBits, DIType *Ty,
+ DINodeArray Subscripts) {
+ auto *R =
+ DICompositeType::get(VMContext, dwarf::DW_TAG_array_type, "", nullptr, 0,
+ nullptr, DITypeRef::get(Ty), Size, AlignInBits, 0,
+ DINode::FlagVector, Subscripts, 0, nullptr);
+ trackIfUnresolved(R);
+ return R;
+}
- return DIType(MDNode::get(VMContext, Elts));
+static DIType *createTypeWithFlags(LLVMContext &Context, DIType *Ty,
+ unsigned FlagsToSet) {
+ auto NewTy = Ty->clone();
+ NewTy->setFlags(NewTy->getFlags() | FlagsToSet);
+ return MDNode::replaceWithUniqued(std::move(NewTy));
}
-/// createObjectPointerType - Create a new type with both the object pointer
-/// and artificial flags set.
-DIType DIBuilder::createObjectPointerType(DIType Ty) {
- if (Ty.isObjectPointer())
+DIType *DIBuilder::createArtificialType(DIType *Ty) {
+ // FIXME: Restrict this to the nodes where it's valid.
+ if (Ty->isArtificial())
return Ty;
-
- SmallVector<Value *, 9> Elts;
- MDNode *N = Ty;
- assert (N && "Unexpected input DIType!");
- for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
- Elts.push_back(N->getOperand(i));
-
- unsigned CurFlags = Ty.getFlags();
- CurFlags = CurFlags | (DIType::FlagObjectPointer | DIType::FlagArtificial);
-
- // Flags are stored at this slot.
- // FIXME: Add an enum for this magic value.
- Elts[8] = ConstantInt::get(Type::getInt32Ty(VMContext), CurFlags);
-
- return DIType(MDNode::get(VMContext, Elts));
+ return createTypeWithFlags(VMContext, Ty, DINode::FlagArtificial);
}
-/// retainType - Retain DIType in a module even if it is not referenced
-/// through debug info anchors.
-void DIBuilder::retainType(DIType T) {
- AllRetainTypes.push_back(TrackingVH<MDNode>(T));
+DIType *DIBuilder::createObjectPointerType(DIType *Ty) {
+ // FIXME: Restrict this to the nodes where it's valid.
+ if (Ty->isObjectPointer())
+ return Ty;
+ unsigned Flags = DINode::FlagObjectPointer | DINode::FlagArtificial;
+ return createTypeWithFlags(VMContext, Ty, Flags);
}
-/// createUnspecifiedParameter - Create unspeicified type descriptor
-/// for the subroutine type.
-DIBasicType DIBuilder::createUnspecifiedParameter() {
- return DIBasicType();
+void DIBuilder::retainType(DIType *T) {
+ assert(T && "Expected non-null type");
+ AllRetainTypes.emplace_back(T);
}
-/// createForwardDecl - Create a permanent forward-declared type.
-DICompositeType
-DIBuilder::createForwardDecl(unsigned Tag, StringRef Name, DIDescriptor Scope,
- DIFile F, unsigned Line, unsigned RuntimeLang,
+DIBasicType *DIBuilder::createUnspecifiedParameter() { return nullptr; }
+
+DICompositeType *
+DIBuilder::createForwardDecl(unsigned Tag, StringRef Name, DIScope *Scope,
+ DIFile *F, unsigned Line, unsigned RuntimeLang,
uint64_t SizeInBits, uint64_t AlignInBits,
StringRef UniqueIdentifier) {
- // Create a temporary MDNode.
- Value *Elts[] = {
- GetTagConstant(VMContext, Tag),
- F.getFileNode(),
- DIScope(getNonCompileUnitScope(Scope)).getRef(),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), Line),
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), DIDescriptor::FlagFwdDecl),
- nullptr,
- DIArray(),
- ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang),
- 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().
+ auto *RetTy = DICompositeType::get(
+ VMContext, Tag, Name, F, Line,
+ DIScopeRef::get(getNonCompileUnitScope(Scope)), nullptr, SizeInBits,
+ AlignInBits, 0, DINode::FlagFwdDecl, nullptr, RuntimeLang, nullptr,
+ nullptr, UniqueIdentifier);
if (!UniqueIdentifier.empty())
retainType(RetTy);
+ trackIfUnresolved(RetTy);
return RetTy;
}
-/// createReplaceableForwardDecl - Create a temporary forward-declared type that
-/// can be RAUW'd if the full type is seen.
-DICompositeType DIBuilder::createReplaceableForwardDecl(
- unsigned Tag, StringRef Name, DIDescriptor Scope, DIFile F, unsigned Line,
+DICompositeType *DIBuilder::createReplaceableCompositeType(
+ unsigned Tag, StringRef Name, DIScope *Scope, DIFile *F, unsigned Line,
unsigned RuntimeLang, uint64_t SizeInBits, uint64_t AlignInBits,
- StringRef UniqueIdentifier) {
- // Create a temporary MDNode.
- Value *Elts[] = {
- GetTagConstant(VMContext, Tag),
- F.getFileNode(),
- DIScope(getNonCompileUnitScope(Scope)).getRef(),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), Line),
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), DIDescriptor::FlagFwdDecl),
- nullptr,
- DIArray(),
- ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang),
- 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) {
+ auto *RetTy = DICompositeType::getTemporary(
+ VMContext, Tag, Name, F, Line,
+ DIScopeRef::get(getNonCompileUnitScope(Scope)), nullptr,
+ SizeInBits, AlignInBits, 0, Flags, nullptr, RuntimeLang,
+ nullptr, nullptr, UniqueIdentifier)
+ .release();
if (!UniqueIdentifier.empty())
retainType(RetTy);
+ trackIfUnresolved(RetTy);
return RetTy;
}
-/// getOrCreateArray - Get a DIArray, create one if required.
-DIArray DIBuilder::getOrCreateArray(ArrayRef<Value *> Elements) {
- return DIArray(MDNode::get(VMContext, Elements));
+DINodeArray DIBuilder::getOrCreateArray(ArrayRef<Metadata *> Elements) {
+ return MDTuple::get(VMContext, Elements);
}
-/// getOrCreateTypeArray - Get a DITypeArray, create one if required.
-DITypeArray DIBuilder::getOrCreateTypeArray(ArrayRef<Value *> Elements) {
- SmallVector<llvm::Value *, 16> Elts;
+DITypeRefArray 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(DITypeRef::get(cast<DIType>(Elements[i])));
else
Elts.push_back(Elements[i]);
}
- return DITypeArray(MDNode::get(VMContext, Elts));
-}
-
-/// getOrCreateSubrange - Create a descriptor for a value range. This
-/// implicitly uniques the values returned.
-DISubrange DIBuilder::getOrCreateSubrange(int64_t Lo, int64_t Count) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_subrange_type),
- ConstantInt::get(Type::getInt64Ty(VMContext), Lo),
- ConstantInt::get(Type::getInt64Ty(VMContext), Count)
- };
-
- return DISubrange(MDNode::get(VMContext, Elts));
-}
-
-/// \brief Create a new descriptor for the specified global.
-DIGlobalVariable DIBuilder::createGlobalVariable(StringRef Name,
- StringRef LinkageName,
- DIFile F, unsigned LineNumber,
- DITypeRef Ty, bool isLocalToUnit,
- Value *Val) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_variable),
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- nullptr, // TheCU,
- MDString::get(VMContext, Name),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, LinkageName),
- F,
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- Ty,
- ConstantInt::get(Type::getInt32Ty(VMContext), isLocalToUnit),
- ConstantInt::get(Type::getInt32Ty(VMContext), 1), /* isDefinition*/
- Val,
- DIDescriptor()
- };
- MDNode *Node = MDNode::get(VMContext, Elts);
- AllGVs.push_back(Node);
- return DIGlobalVariable(Node);
-}
-
-/// \brief Create a new descriptor for the specified global.
-DIGlobalVariable DIBuilder::createGlobalVariable(StringRef Name, DIFile F,
- unsigned LineNumber,
- DITypeRef Ty,
- bool isLocalToUnit,
- Value *Val) {
- return createGlobalVariable(Name, Name, F, LineNumber, Ty, isLocalToUnit,
- Val);
-}
-
-static DIGlobalVariable
-createStaticVariableHelper(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[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_variable),
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- getNonCompileUnitScope(Context),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, LinkageName),
- F,
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- Ty,
- ConstantInt::get(Type::getInt32Ty(VMContext), isLocalToUnit),
- ConstantInt::get(Type::getInt32Ty(VMContext), isDefinition),
- Val,
- DIDescriptor(Decl)
- };
-
- return DIGlobalVariable(CreateFunc(Elts));
-}
-
-/// createStaticVariable - Create a new descriptor for the specified
-/// variable.
-DIGlobalVariable DIBuilder::createStaticVariable(DIDescriptor Context,
- StringRef Name,
- StringRef LinkageName,
- DIFile F, unsigned LineNumber,
- DITypeRef Ty,
- bool isLocalToUnit,
- Value *Val, MDNode *Decl) {
- return createStaticVariableHelper(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;
- });
-}
-
-/// createTempStaticVariableFwdDecl - Create a new temporary descriptor for the
-/// specified variable declarartion.
-DIGlobalVariable
-DIBuilder::createTempStaticVariableFwdDecl(DIDescriptor Context,
- StringRef Name,
- StringRef LinkageName,
- DIFile F, unsigned LineNumber,
- DITypeRef Ty,
- bool isLocalToUnit,
- Value *Val, MDNode *Decl) {
- return createStaticVariableHelper(VMContext, Context, Name, LinkageName, F,
- LineNumber, Ty, isLocalToUnit, Val, Decl, false,
- [&] (ArrayRef<Value *> Elts) {
- return MDNode::getTemporary(VMContext, Elts);
- });
-}
-
-/// createVariable - Create a new descriptor for the specified variable.
-DIVariable DIBuilder::createLocalVariable(unsigned Tag, DIDescriptor Scope,
- StringRef Name, DIFile File,
- unsigned LineNo, DITypeRef 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[] = {
- GetTagConstant(VMContext, Tag),
- getNonCompileUnitScope(Scope),
- MDString::get(VMContext, Name),
- File,
- ConstantInt::get(Type::getInt32Ty(VMContext), (LineNo | (ArgNo << 24))),
- Ty,
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- Constant::getNullValue(Type::getInt32Ty(VMContext))
- };
- MDNode *Node = MDNode::get(VMContext, Elts);
+ return DITypeRefArray(MDNode::get(VMContext, Elts));
+}
+
+DISubrange *DIBuilder::getOrCreateSubrange(int64_t Lo, int64_t Count) {
+ return DISubrange::get(VMContext, Count, Lo);
+}
+
+static void checkGlobalVariableScope(DIScope *Context) {
+#ifndef NDEBUG
+ if (auto *CT =
+ dyn_cast_or_null<DICompositeType>(getNonCompileUnitScope(Context)))
+ assert(CT->getIdentifier().empty() &&
+ "Context of a global variable should not be a type with identifier");
+#endif
+}
+
+DIGlobalVariable *DIBuilder::createGlobalVariable(
+ DIScope *Context, StringRef Name, StringRef LinkageName, DIFile *F,
+ unsigned LineNumber, DIType *Ty, bool isLocalToUnit, Constant *Val,
+ MDNode *Decl) {
+ checkGlobalVariableScope(Context);
+
+ auto *N = DIGlobalVariable::get(VMContext, cast_or_null<DIScope>(Context),
+ Name, LinkageName, F, LineNumber,
+ DITypeRef::get(Ty), isLocalToUnit, true, Val,
+ cast_or_null<DIDerivedType>(Decl));
+ AllGVs.push_back(N);
+ return N;
+}
+
+DIGlobalVariable *DIBuilder::createTempGlobalVariableFwdDecl(
+ DIScope *Context, StringRef Name, StringRef LinkageName, DIFile *F,
+ unsigned LineNumber, DIType *Ty, bool isLocalToUnit, Constant *Val,
+ MDNode *Decl) {
+ checkGlobalVariableScope(Context);
+
+ return DIGlobalVariable::getTemporary(
+ VMContext, cast_or_null<DIScope>(Context), Name, LinkageName, F,
+ LineNumber, DITypeRef::get(Ty), isLocalToUnit, false, Val,
+ cast_or_null<DIDerivedType>(Decl))
+ .release();
+}
+
+static DILocalVariable *createLocalVariable(
+ LLVMContext &VMContext,
+ DenseMap<MDNode *, std::vector<TrackingMDNodeRef>> &PreservedVariables,
+ DIScope *Scope, StringRef Name, unsigned ArgNo, DIFile *File,
+ unsigned LineNo, DIType *Ty, bool AlwaysPreserve, unsigned Flags) {
+ // 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 =
+ DILocalVariable::get(VMContext, cast_or_null<DILocalScope>(Context), Name,
+ File, LineNo, DITypeRef::get(Ty), ArgNo, Flags);
if (AlwaysPreserve) {
- // The optimizer may remove local variable. If there is an interest
+ // The optimizer may remove local variables. If there is an interest
// to preserve variable info in such situation then stash it in a
// named mdnode.
- DISubprogram Fn(getDISubprogram(Scope));
- NamedMDNode *FnLocals = getOrInsertFnSpecificMDNode(M, Fn);
- FnLocals->addOperand(Node);
+ DISubprogram *Fn = getDISubprogram(Scope);
+ assert(Fn && "Missing subprogram for local variable");
+ PreservedVariables[Fn].emplace_back(Node);
}
- DIVariable RetVar(Node);
- assert(RetVar.isVariable() &&
- "createLocalVariable should return a valid DIVariable");
- return RetVar;
-}
-
-/// createComplexVariable - Create a new descriptor for the specified variable
-/// which has a complex address expression for its address.
-DIVariable DIBuilder::createComplexVariable(unsigned Tag, DIDescriptor Scope,
- StringRef Name, DIFile F,
- unsigned LineNo,
- DITypeRef Ty,
- ArrayRef<Value *> Addr,
- unsigned ArgNo) {
- assert(Addr.size() > 0 && "complex address is empty");
- Value *Elts[] = {
- GetTagConstant(VMContext, Tag),
- getNonCompileUnitScope(Scope),
- MDString::get(VMContext, Name),
- F,
- ConstantInt::get(Type::getInt32Ty(VMContext),
- (LineNo | (ArgNo << 24))),
- Ty,
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- MDNode::get(VMContext, Addr)
- };
- return DIVariable(MDNode::get(VMContext, Elts));
-}
-
-/// createVariablePiece - Create a descriptor to describe one part
-/// of aggregate variable that is fragmented across multiple Values.
-DIVariable DIBuilder::createVariablePiece(DIVariable Variable,
- unsigned OffsetInBytes,
- unsigned SizeInBytes) {
- assert(SizeInBytes > 0 && "zero-size piece");
- Value *Addr[] = {
- ConstantInt::get(Type::getInt32Ty(VMContext), OpPiece),
- ConstantInt::get(Type::getInt32Ty(VMContext), OffsetInBytes),
- ConstantInt::get(Type::getInt32Ty(VMContext), SizeInBytes)
- };
-
- assert((Variable->getNumOperands() == 8 || Variable.isVariablePiece()) &&
- "variable already has a complex address");
- SmallVector<Value *, 9> Elts;
- for (unsigned i = 0; i < 8; ++i)
- Elts.push_back(Variable->getOperand(i));
-
- Elts.push_back(MDNode::get(VMContext, Addr));
- return DIVariable(MDNode::get(VMContext, Elts));
-}
-
-/// createFunction - Create a new descriptor for the specified function.
-/// FIXME: this is added for dragonegg. Once we update dragonegg
-/// to call resolve function, this will be removed.
-DISubprogram DIBuilder::createFunction(DIScopeRef 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) {
+ return Node;
+}
+
+DILocalVariable *DIBuilder::createAutoVariable(DIScope *Scope, StringRef Name,
+ DIFile *File, unsigned LineNo,
+ DIType *Ty, bool AlwaysPreserve,
+ unsigned Flags) {
+ return createLocalVariable(VMContext, PreservedVariables, Scope, Name,
+ /* ArgNo */ 0, File, LineNo, Ty, AlwaysPreserve,
+ Flags);
+}
+
+DILocalVariable *DIBuilder::createParameterVariable(
+ DIScope *Scope, StringRef Name, unsigned ArgNo, DIFile *File,
+ unsigned LineNo, DIType *Ty, bool AlwaysPreserve, unsigned Flags) {
+ assert(ArgNo && "Expected non-zero argument number for parameter");
+ return createLocalVariable(VMContext, PreservedVariables, Scope, Name, ArgNo,
+ File, LineNo, Ty, AlwaysPreserve, Flags);
+}
+
+DIExpression *DIBuilder::createExpression(ArrayRef<uint64_t> Addr) {
+ return DIExpression::get(VMContext, Addr);
+}
+
+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 DIExpression::get(VMContext, Addr);
+}
+
+DISubprogram *DIBuilder::createFunction(DIScopeRef Context, StringRef Name,
+ StringRef LinkageName, DIFile *File,
+ unsigned LineNo, DISubroutineType *Ty,
+ bool isLocalToUnit, bool isDefinition,
+ unsigned ScopeLine, unsigned Flags,
+ bool isOptimized, Function *Fn,
+ MDNode *TParams, MDNode *Decl) {
// dragonegg does not generate identifier for types, so using an empty map
// to resolve the context should be fine.
DITypeIdentifierMap EmptyMap;
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[] = { GetTagConstant(VMContext, DW_TAG_base_type) };
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
- File.getFileNode(),
- DIScope(getNonCompileUnitScope(Context)).getRef(),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, LinkageName),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- Ty,
- ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
- ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- nullptr,
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
- Fn,
- TParams,
- Decl,
- MDNode::getTemporary(VMContext, TElts),
- ConstantInt::get(Type::getInt32Ty(VMContext), ScopeLine)
- };
-
- DISubprogram S(CreateFunc(Elts));
- assert(S.isSubprogram() &&
- "createFunction should return a valid DISubprogram");
- return S;
-}
-
-
-/// createFunction - Create a new descriptor for the specified function.
-DISubprogram DIBuilder::createFunction(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) {
- 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;
- });
-}
-
-/// createTempFunctionFwdDecl - Create a new temporary descriptor for
-/// the specified function declaration.
-DISubprogram
-DIBuilder::createTempFunctionFwdDecl(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) {
- 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);
- });
-}
-
-/// createMethod - Create a new descriptor for the specified C++ method.
-DISubprogram DIBuilder::createMethod(DIDescriptor Context, StringRef Name,
- StringRef LinkageName, DIFile F,
- unsigned LineNo, DICompositeType Ty,
- bool isLocalToUnit, bool isDefinition,
- unsigned VK, unsigned VIndex,
- DIType VTableHolder, unsigned Flags,
- bool isOptimized, Function *Fn,
- MDNode *TParam) {
- assert(Ty.getTag() == dwarf::DW_TAG_subroutine_type &&
- "function types should be subroutines");
+template <class... Ts>
+static DISubprogram *getSubprogram(bool IsDistinct, Ts &&... Args) {
+ if (IsDistinct)
+ return DISubprogram::getDistinct(std::forward<Ts>(Args)...);
+ return DISubprogram::get(std::forward<Ts>(Args)...);
+}
+
+DISubprogram *DIBuilder::createFunction(DIScope *Context, StringRef Name,
+ StringRef LinkageName, DIFile *File,
+ unsigned LineNo, DISubroutineType *Ty,
+ bool isLocalToUnit, bool isDefinition,
+ unsigned ScopeLine, unsigned Flags,
+ bool isOptimized, Function *Fn,
+ MDNode *TParams, MDNode *Decl) {
+ auto *Node = getSubprogram(/* IsDistinct = */ isDefinition, VMContext,
+ DIScopeRef::get(getNonCompileUnitScope(Context)),
+ Name, LinkageName, File, LineNo, Ty, isLocalToUnit,
+ isDefinition, ScopeLine, nullptr, 0, 0, Flags,
+ isOptimized, Fn, cast_or_null<MDTuple>(TParams),
+ cast_or_null<DISubprogram>(Decl),
+ MDTuple::getTemporary(VMContext, None).release());
+
+ if (isDefinition)
+ AllSubprograms.push_back(Node);
+ trackIfUnresolved(Node);
+ return Node;
+}
+
+DISubprogram *DIBuilder::createTempFunctionFwdDecl(
+ DIScope *Context, StringRef Name, StringRef LinkageName, DIFile *File,
+ unsigned LineNo, DISubroutineType *Ty, bool isLocalToUnit,
+ bool isDefinition, unsigned ScopeLine, unsigned Flags, bool isOptimized,
+ Function *Fn, MDNode *TParams, MDNode *Decl) {
+ return DISubprogram::getTemporary(
+ VMContext, DIScopeRef::get(getNonCompileUnitScope(Context)), Name,
+ LinkageName, File, LineNo, Ty, isLocalToUnit, isDefinition,
+ ScopeLine, nullptr, 0, 0, Flags, isOptimized, Fn,
+ cast_or_null<MDTuple>(TParams), cast_or_null<DISubprogram>(Decl),
+ nullptr)
+ .release();
+}
+
+DISubprogram *
+DIBuilder::createMethod(DIScope *Context, StringRef Name, StringRef LinkageName,
+ DIFile *F, unsigned LineNo, DISubroutineType *Ty,
+ bool isLocalToUnit, bool isDefinition, unsigned VK,
+ unsigned VIndex, DIType *VTableHolder, unsigned Flags,
+ bool isOptimized, Function *Fn, MDNode *TParam) {
assert(getNonCompileUnitScope(Context) &&
"Methods should have both a Context and a context that isn't "
"the compile unit.");
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
- F.getFileNode(),
- DIScope(Context).getRef(),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, LinkageName),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- Ty,
- ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
- ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
- ConstantInt::get(Type::getInt32Ty(VMContext), VK),
- ConstantInt::get(Type::getInt32Ty(VMContext), VIndex),
- VTableHolder.getRef(),
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
- Fn,
- TParam,
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- nullptr,
- // FIXME: Do we want to use different scope/lines?
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo)
- };
- MDNode *Node = MDNode::get(VMContext, Elts);
+ // FIXME: Do we want to use different scope/lines?
+ auto *SP = getSubprogram(/* IsDistinct = */ isDefinition, VMContext,
+ DIScopeRef::get(cast<DIScope>(Context)), Name,
+ LinkageName, F, LineNo, Ty, isLocalToUnit,
+ isDefinition, LineNo, DITypeRef::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;
-}
-
-/// createNameSpace - This creates new descriptor for a namespace
-/// with the specified parent scope.
-DINameSpace DIBuilder::createNameSpace(DIDescriptor Scope, StringRef Name,
- DIFile File, unsigned LineNo) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_namespace),
- File.getFileNode(),
- getNonCompileUnitScope(Scope),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo)
- };
- DINameSpace R(MDNode::get(VMContext, Elts));
- assert(R.Verify() &&
- "createNameSpace should return a verifiable DINameSpace");
- return R;
+ AllSubprograms.push_back(SP);
+ trackIfUnresolved(SP);
+ return SP;
}
-/// createLexicalBlockFile - This creates a new MDNode that encapsulates
-/// an existing scope with a new filename.
-DILexicalBlockFile DIBuilder::createLexicalBlockFile(DIDescriptor Scope,
- DIFile File,
- unsigned Discriminator) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_lexical_block),
- File.getFileNode(),
- Scope,
- ConstantInt::get(Type::getInt32Ty(VMContext), Discriminator),
- };
- DILexicalBlockFile R(MDNode::get(VMContext, Elts));
- assert(
- R.Verify() &&
- "createLexicalBlockFile should return a verifiable DILexicalBlockFile");
- return R;
+DINamespace *DIBuilder::createNameSpace(DIScope *Scope, StringRef Name,
+ DIFile *File, unsigned LineNo) {
+ return DINamespace::get(VMContext, getNonCompileUnitScope(Scope), File, Name,
+ LineNo);
}
-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[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_lexical_block),
- File.getFileNode(),
- getNonCompileUnitScope(Scope),
- ConstantInt::get(Type::getInt32Ty(VMContext), Line),
- ConstantInt::get(Type::getInt32Ty(VMContext), Col),
- ConstantInt::get(Type::getInt32Ty(VMContext), unique_id++)
- };
- DILexicalBlock R(MDNode::get(VMContext, Elts));
- assert(R.Verify() &&
- "createLexicalBlock should return a verifiable DILexicalBlock");
- return R;
+DIModule *DIBuilder::createModule(DIScope *Scope, StringRef Name,
+ StringRef ConfigurationMacros,
+ StringRef IncludePath,
+ StringRef ISysRoot) {
+ return DIModule::get(VMContext, getNonCompileUnitScope(Scope), Name,
+ ConfigurationMacros, IncludePath, ISysRoot);
+}
+
+DILexicalBlockFile *DIBuilder::createLexicalBlockFile(DIScope *Scope,
+ DIFile *File,
+ unsigned Discriminator) {
+ return DILexicalBlockFile::get(VMContext, Scope, File, Discriminator);
+}
+
+DILexicalBlock *DIBuilder::createLexicalBlock(DIScope *Scope, DIFile *File,
+ unsigned Line, unsigned Col) {
+ // Make these distinct, to avoid merging two lexical blocks on the same
+ // file/line/column.
+ return DILexicalBlock::getDistinct(VMContext, getNonCompileUnitScope(Scope),
+ File, 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 DILocation *DL) {
+ I->setDebugLoc(const_cast<DILocation *>(DL));
+ return I;
}
-/// insertDeclare - Insert a new llvm.dbg.declare intrinsic call.
-Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo,
+Instruction *DIBuilder::insertDeclare(Value *Storage, DILocalVariable *VarInfo,
+ DIExpression *Expr, const DILocation *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 DILocalVariable* 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 };
- 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);
}
-/// insertDeclare - Insert a new llvm.dbg.declare intrinsic call.
-Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo,
+Instruction *DIBuilder::insertDeclare(Value *Storage, DILocalVariable *VarInfo,
+ DIExpression *Expr, const DILocation *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 DILocalVariable* 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 };
+ 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);
}
-/// insertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
Instruction *DIBuilder::insertDbgValueIntrinsic(Value *V, uint64_t Offset,
- DIVariable VarInfo,
+ DILocalVariable *VarInfo,
+ DIExpression *Expr,
+ const DILocation *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 DILocalVariable* 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 };
- 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);
}
-/// insertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
Instruction *DIBuilder::insertDbgValueIntrinsic(Value *V, uint64_t Offset,
- DIVariable VarInfo,
+ DILocalVariable *VarInfo,
+ DIExpression *Expr,
+ const DILocation *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 DILocalVariable* 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 };
- 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<DICompositeType> N(T);
+ N->replaceVTableHolder(DITypeRef::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, DINodeArray Elements,
+ DINodeArray TParams) {
+ {
+ TypedTrackingMDRef<DICompositeType> N(T);
+ if (Elements)
+ N->replaceElements(Elements);
+ if (TParams)
+ N->replaceTemplateParams(DITemplateParameterArray(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());
}