#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/iterator_range.h"
-#include "llvm/IR/Metadata.h"
+#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/ErrorHandling.h"
/// \brief Maps from type identifier to the actual MDNode.
typedef DenseMap<const MDString *, MDNode *> DITypeIdentifierMap;
-class DIHeaderFieldIterator
- : public std::iterator<std::input_iterator_tag, StringRef, std::ptrdiff_t,
- const StringRef *, StringRef> {
- StringRef Header;
- StringRef Current;
-
-public:
- DIHeaderFieldIterator() {}
- explicit DIHeaderFieldIterator(StringRef Header)
- : Header(Header), Current(Header.slice(0, Header.find('\0'))) {}
- StringRef operator*() const { return Current; }
- const StringRef *operator->() const { return &Current; }
- DIHeaderFieldIterator &operator++() {
- increment();
- return *this;
- }
- DIHeaderFieldIterator operator++(int) {
- DIHeaderFieldIterator X(*this);
- increment();
- return X;
- }
- bool operator==(const DIHeaderFieldIterator &X) const {
- return Current.data() == X.Current.data();
- }
- bool operator!=(const DIHeaderFieldIterator &X) const {
- return !(*this == X);
- }
-
- StringRef getHeader() const { return Header; }
- StringRef getCurrent() const { return Current; }
- StringRef getPrefix() const {
- if (Current.begin() == Header.begin())
- return StringRef();
- return Header.slice(0, Current.begin() - Header.begin() - 1);
- }
- StringRef getSuffix() const {
- if (Current.end() == Header.end())
- return StringRef();
- return Header.slice(Current.end() - Header.begin() + 1, StringRef::npos);
- }
-
- /// \brief Get the current field as a number.
- ///
- /// Convert the current field into a number. Return \c 0 on error.
- template <class T> T getNumber() const {
- T Int;
- if (getCurrent().getAsInteger(0, Int))
- return 0;
- return Int;
- }
-
-private:
- void increment() {
- assert(Current.data() != nullptr && "Cannot increment past the end");
- StringRef Suffix = getSuffix();
- Current = Suffix.slice(0, Suffix.find('\0'));
- }
-};
-
/// \brief A thin wraper around MDNode to access encoded debug info.
///
/// This should not be stored in a container, because the underlying MDNode may
template <typename T> friend class DIRef;
public:
- /// \brief Accessibility flags.
+ /// \brief Duplicated debug info flags.
///
- /// The three accessibility flags are mutually exclusive and rolled together
- /// in the first two bits.
+ /// \see DebugNode::DIFlags.
enum {
- FlagAccessibility = 1 << 0 | 1 << 1,
- FlagPrivate = 1,
- FlagProtected = 2,
- FlagPublic = 3,
-
- FlagFwdDecl = 1 << 2,
- FlagAppleBlock = 1 << 3,
- FlagBlockByrefStruct = 1 << 4,
- FlagVirtual = 1 << 5,
- FlagArtificial = 1 << 6,
- FlagExplicit = 1 << 7,
- FlagPrototyped = 1 << 8,
- FlagObjcClassComplete = 1 << 9,
- FlagObjectPointer = 1 << 10,
- FlagVector = 1 << 11,
- FlagStaticMember = 1 << 12,
- FlagLValueReference = 1 << 13,
- FlagRValueReference = 1 << 14
+#define HANDLE_DI_FLAG(ID, NAME) Flag##NAME = DebugNode::Flag##NAME,
+#include "llvm/IR/DebugInfoFlags.def"
+ FlagAccessibility = DebugNode::FlagAccessibility
};
+ static unsigned getFlag(StringRef Flag);
+ static const char *getFlagString(unsigned Flag);
+
+ /// \brief Split up a flags bitfield.
+ ///
+ /// Split \c Flags into \c SplitFlags, a vector of its components. Returns
+ /// any remaining (unrecognized) bits.
+ static unsigned splitFlags(unsigned Flags,
+ SmallVectorImpl<unsigned> &SplitFlags);
+
protected:
const MDNode *DbgNode;
- StringRef getStringField(unsigned Elt) const;
- unsigned getUnsignedField(unsigned Elt) const {
- return (unsigned)getUInt64Field(Elt);
- }
- uint64_t getUInt64Field(unsigned Elt) const;
- int64_t getInt64Field(unsigned Elt) const;
DIDescriptor getDescriptorField(unsigned Elt) const;
-
template <typename DescTy> DescTy getFieldAs(unsigned Elt) const {
return DescTy(getDescriptorField(Elt));
}
- GlobalVariable *getGlobalVariableField(unsigned Elt) const;
- Constant *getConstantField(unsigned Elt) const;
- Function *getFunctionField(unsigned Elt) const;
- void replaceFunctionField(unsigned Elt, Function *F);
-
public:
explicit DIDescriptor(const MDNode *N = nullptr) : DbgNode(N) {}
- bool Verify() const;
-
MDNode *get() const { return const_cast<MDNode *>(DbgNode); }
operator MDNode *() const { return get(); }
MDNode *operator->() const { return get(); }
+ MDNode &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
// An explicit operator bool so that we can do testing of DI values
// easily.
// FIXME: This operator bool isn't actually protecting anything at the
// moment due to the conversion operator above making DIDescriptor nodes
// implicitly convertable to bool.
- LLVM_EXPLICIT operator bool() const { return DbgNode != nullptr; }
+ explicit operator bool() const { return DbgNode != nullptr; }
bool operator==(DIDescriptor Other) const { return DbgNode == Other.DbgNode; }
bool operator!=(DIDescriptor Other) const { return !operator==(Other); }
- StringRef getHeader() const { return getStringField(0); }
-
- size_t getNumHeaderFields() const {
- return std::distance(DIHeaderFieldIterator(getHeader()),
- DIHeaderFieldIterator());
+ uint16_t getTag() const {
+ if (auto *N = dyn_cast_or_null<DebugNode>(get()))
+ return N->getTag();
+ return 0;
}
- DIHeaderFieldIterator header_begin() const {
- return DIHeaderFieldIterator(getHeader());
+ bool isDerivedType() const { return get() && isa<MDDerivedTypeBase>(get()); }
+ bool isCompositeType() const {
+ return get() && isa<MDCompositeTypeBase>(get());
}
- DIHeaderFieldIterator header_end() const { return DIHeaderFieldIterator(); }
-
- DIHeaderFieldIterator getHeaderIterator(unsigned Index) const {
- // Since callers expect an empty string for out-of-range accesses, we can't
- // use std::advance() here.
- for (auto I = header_begin(), E = header_end(); I != E; ++I, --Index)
- if (!Index)
- return I;
- return header_end();
+ bool isSubroutineType() const {
+ return get() && isa<MDSubroutineType>(get());
}
-
- StringRef getHeaderField(unsigned Index) const {
- return *getHeaderIterator(Index);
+ bool isBasicType() const { return get() && isa<MDBasicType>(get()); }
+ bool isVariable() const { return get() && isa<MDLocalVariable>(get()); }
+ bool isSubprogram() const { return get() && isa<MDSubprogram>(get()); }
+ bool isGlobalVariable() const {
+ return get() && isa<MDGlobalVariable>(get());
}
-
- template <class T> T getHeaderFieldAs(unsigned Index) const {
- return getHeaderIterator(Index).getNumber<T>();
+ bool isScope() const { return get() && isa<MDScope>(get()); }
+ bool isFile() const { return get() && isa<MDFile>(get()); }
+ bool isCompileUnit() const { return get() && isa<MDCompileUnit>(get()); }
+ bool isNameSpace() const{ return get() && isa<MDNamespace>(get()); }
+ bool isLexicalBlockFile() const {
+ return get() && isa<MDLexicalBlockFile>(get());
}
-
- uint16_t getTag() const { return getHeaderFieldAs<uint16_t>(0); }
-
- bool isDerivedType() const;
- bool isCompositeType() const;
- bool isSubroutineType() const;
- bool isBasicType() const;
- bool isVariable() const;
- bool isSubprogram() const;
- bool isGlobalVariable() const;
- bool isScope() const;
- bool isFile() const;
- bool isCompileUnit() const;
- bool isNameSpace() const;
- bool isLexicalBlockFile() const;
- bool isLexicalBlock() const;
- bool isSubrange() const;
- bool isEnumerator() const;
- bool isType() const;
- bool isTemplateTypeParameter() const;
- bool isTemplateValueParameter() const;
- bool isObjCProperty() const;
- bool isImportedEntity() const;
- bool isExpression() const;
+ bool isLexicalBlock() const {
+ return get() && isa<MDLexicalBlockBase>(get());
+ }
+ bool isSubrange() const { return get() && isa<MDSubrange>(get()); }
+ bool isEnumerator() const { return get() && isa<MDEnumerator>(get()); }
+ bool isType() const { return get() && isa<MDType>(get()); }
+ bool isTemplateTypeParameter() const {
+ return get() && isa<MDTemplateTypeParameter>(get());
+ }
+ bool isTemplateValueParameter() const {
+ return get() && isa<MDTemplateValueParameter>(get());
+ }
+ bool isObjCProperty() const { return get() && isa<MDObjCProperty>(get()); }
+ bool isImportedEntity() const {
+ return get() && isa<MDImportedEntity>(get());
+ }
+ bool isExpression() const { return get() && isa<MDExpression>(get()); }
void print(raw_ostream &OS) const;
void dump() const;
void replaceAllUsesWith(MDNode *D);
};
+#define DECLARE_SIMPLIFY_DESCRIPTOR(DESC) \
+ class DESC; \
+ template <> struct simplify_type<const DESC>; \
+ template <> struct simplify_type<DESC>;
+DECLARE_SIMPLIFY_DESCRIPTOR(DIDescriptor)
+DECLARE_SIMPLIFY_DESCRIPTOR(DISubrange)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIEnumerator)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIScope)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIType)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIBasicType)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIDerivedType)
+DECLARE_SIMPLIFY_DESCRIPTOR(DICompositeType)
+DECLARE_SIMPLIFY_DESCRIPTOR(DISubroutineType)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIFile)
+DECLARE_SIMPLIFY_DESCRIPTOR(DICompileUnit)
+DECLARE_SIMPLIFY_DESCRIPTOR(DISubprogram)
+DECLARE_SIMPLIFY_DESCRIPTOR(DILexicalBlock)
+DECLARE_SIMPLIFY_DESCRIPTOR(DILexicalBlockFile)
+DECLARE_SIMPLIFY_DESCRIPTOR(DINameSpace)
+DECLARE_SIMPLIFY_DESCRIPTOR(DITemplateTypeParameter)
+DECLARE_SIMPLIFY_DESCRIPTOR(DITemplateValueParameter)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIGlobalVariable)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIVariable)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIExpression)
+DECLARE_SIMPLIFY_DESCRIPTOR(DILocation)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIObjCProperty)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIImportedEntity)
+#undef DECLARE_SIMPLIFY_DESCRIPTOR
+
/// \brief This is used to represent ranges, for array bounds.
class DISubrange : public DIDescriptor {
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
-
public:
explicit DISubrange(const MDNode *N = nullptr) : DIDescriptor(N) {}
+ DISubrange(const MDSubrange *N) : DIDescriptor(N) {}
- int64_t getLo() const { return getHeaderFieldAs<int64_t>(1); }
- int64_t getCount() const { return getHeaderFieldAs<int64_t>(2); }
- bool Verify() const;
+ MDSubrange *get() const {
+ return cast_or_null<MDSubrange>(DIDescriptor::get());
+ }
+ operator MDSubrange *() const { return get(); }
+ MDSubrange *operator->() const { return get(); }
+ MDSubrange &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
+
+ int64_t getLo() const { return get()->getLo(); }
+ int64_t getCount() const { return get()->getCount(); }
};
/// \brief This descriptor holds an array of nodes with type T.
template <typename T> class DITypedArray : public DIDescriptor {
public:
explicit DITypedArray(const MDNode *N = nullptr) : DIDescriptor(N) {}
+ operator MDTuple *() const {
+ return const_cast<MDTuple *>(cast_or_null<MDTuple>(DbgNode));
+ }
unsigned getNumElements() const {
return DbgNode ? DbgNode->getNumOperands() : 0;
}
/// FIXME: it seems strange that this doesn't have either a reference to the
/// type/precision or a file/line pair for location info.
class DIEnumerator : public DIDescriptor {
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
-
public:
explicit DIEnumerator(const MDNode *N = nullptr) : DIDescriptor(N) {}
+ DIEnumerator(const MDEnumerator *N) : DIDescriptor(N) {}
+
+ MDEnumerator *get() const {
+ return cast_or_null<MDEnumerator>(DIDescriptor::get());
+ }
+ operator MDEnumerator *() const { return get(); }
+ MDEnumerator *operator->() const { return get(); }
+ MDEnumerator &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
- StringRef getName() const { return getHeaderField(1); }
- int64_t getEnumValue() const { return getHeaderFieldAs<int64_t>(2); }
- bool Verify() const;
+ StringRef getName() const { return get()->getName(); }
+ int64_t getEnumValue() const { return get()->getValue(); }
};
template <typename T> class DIRef;
+typedef DIRef<DIDescriptor> DIDescriptorRef;
typedef DIRef<DIScope> DIScopeRef;
typedef DIRef<DIType> DITypeRef;
typedef DITypedArray<DITypeRef> DITypeArray;
/// DIScopes that are scopes in the strict lexical scope sense
/// (DICompileUnit, DISubprogram, etc.), but not for, e.g., a DIType.
class DIScope : public DIDescriptor {
-protected:
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
-
public:
explicit DIScope(const MDNode *N = nullptr) : DIDescriptor(N) {}
+ DIScope(const MDScope *N) : DIDescriptor(N) {}
+
+ MDScope *get() const { return cast_or_null<MDScope>(DIDescriptor::get()); }
+ operator MDScope *() const { return get(); }
+ MDScope *operator->() const { return get(); }
+ MDScope &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
/// \brief Get the parent scope.
///
explicit DIRef(const Metadata *V);
public:
+ template <class U>
+ DIRef(const TypedDebugNodeRef<U> &Ref,
+ typename std::enable_if<std::is_convertible<U *, T>::value>::type * =
+ nullptr)
+ : Val(Ref) {}
+
T resolve(const DITypeIdentifierMap &Map) const;
- StringRef getName() const;
operator Metadata *() const { return const_cast<Metadata *>(Val); }
-};
-template <typename T>
-T DIRef<T>::resolve(const DITypeIdentifierMap &Map) const {
- if (!Val)
- return T();
-
- if (const MDNode *MD = dyn_cast<MDNode>(Val))
- return T(MD);
-
- const MDString *MS = cast<MDString>(Val);
- // Find the corresponding MDNode.
- DITypeIdentifierMap::const_iterator Iter = Map.find(MS);
- assert(Iter != Map.end() && "Identifier not in the type map?");
- assert(DIDescriptor(Iter->second).isType() &&
- "MDNode in DITypeIdentifierMap should be a DIType.");
- return T(Iter->second);
-}
-
-template <typename T> StringRef DIRef<T>::getName() const {
- if (!Val)
- return StringRef();
+ static DIRef get(const Metadata *MD) { return DIRef(MD); }
+};
- if (const MDNode *MD = dyn_cast<MDNode>(Val))
- return T(MD).getName();
+template <>
+DIDescriptor DIRef<DIDescriptor>::resolve(const DITypeIdentifierMap &Map) const;
+template <>
+DIScope DIRef<DIScope>::resolve(const DITypeIdentifierMap &Map) const;
+template <> DIType DIRef<DIType>::resolve(const DITypeIdentifierMap &Map) const;
- const MDString *MS = cast<MDString>(Val);
- return MS->getString();
-}
+/// \brief Handle fields that are references to DIDescriptors.
+template <>
+DIDescriptorRef DIDescriptor::getFieldAs<DIDescriptorRef>(unsigned Elt) const;
+/// \brief Specialize DIRef constructor for DIDescriptorRef.
+template <> DIRef<DIDescriptor>::DIRef(const Metadata *V);
/// \brief Handle fields that are references to DIScopes.
template <> DIScopeRef DIDescriptor::getFieldAs<DIScopeRef>(unsigned Elt) const;
/// FIXME: Types should be factored much better so that CV qualifiers and
/// others do not require a huge and empty descriptor full of zeros.
class DIType : public DIScope {
-protected:
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
-
public:
explicit DIType(const MDNode *N = nullptr) : DIScope(N) {}
- operator DITypeRef() const {
- assert(isType() &&
- "constructing DITypeRef from an MDNode that is not a type");
- return DITypeRef(&*getRef());
- }
+ DIType(const MDType *N) : DIScope(N) {}
- bool Verify() const;
+ MDType *get() const { return cast_or_null<MDType>(DIDescriptor::get()); }
+ operator MDType *() const { return get(); }
+ MDType *operator->() const { return get(); }
+ MDType &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
- DIScopeRef getContext() const { return getFieldAs<DIScopeRef>(2); }
- StringRef getName() const { return getHeaderField(1); }
- unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(2); }
- uint64_t getSizeInBits() const { return getHeaderFieldAs<unsigned>(3); }
- uint64_t getAlignInBits() const { return getHeaderFieldAs<unsigned>(4); }
+ DIScopeRef getContext() const { return DIScopeRef::get(get()->getScope()); }
+ StringRef getName() const { return get()->getName(); }
+ unsigned getLineNumber() const { return get()->getLine(); }
+ uint64_t getSizeInBits() const { return get()->getSizeInBits(); }
+ uint64_t getAlignInBits() const { return get()->getAlignInBits(); }
// FIXME: Offset is only used for DW_TAG_member nodes. Making every type
// carry this is just plain insane.
- uint64_t getOffsetInBits() const { return getHeaderFieldAs<unsigned>(5); }
- unsigned getFlags() const { return getHeaderFieldAs<unsigned>(6); }
+ uint64_t getOffsetInBits() const { return get()->getOffsetInBits(); }
+ unsigned getFlags() const { return get()->getFlags(); }
bool isPrivate() const {
return (getFlags() & FlagAccessibility) == FlagPrivate;
}
class DIBasicType : public DIType {
public:
explicit DIBasicType(const MDNode *N = nullptr) : DIType(N) {}
+ DIBasicType(const MDBasicType *N) : DIType(N) {}
- unsigned getEncoding() const { return getHeaderFieldAs<unsigned>(7); }
+ MDBasicType *get() const {
+ return cast_or_null<MDBasicType>(DIDescriptor::get());
+ }
+ operator MDBasicType *() const { return get(); }
+ MDBasicType *operator->() const { return get(); }
+ MDBasicType &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
- bool Verify() const;
+ unsigned getEncoding() const { return get()->getEncoding(); }
};
/// \brief A simple derived type
/// Like a const qualified type, a typedef, a pointer or reference, et cetera.
/// Or, a data member of a class/struct/union.
class DIDerivedType : public DIType {
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
-
public:
explicit DIDerivedType(const MDNode *N = nullptr) : DIType(N) {}
+ DIDerivedType(const MDDerivedTypeBase *N) : DIType(N) {}
+
+ MDDerivedTypeBase *get() const {
+ return cast_or_null<MDDerivedTypeBase>(DIDescriptor::get());
+ }
+ operator MDDerivedTypeBase *() const { return get(); }
+ MDDerivedTypeBase *operator->() const { return get(); }
+ MDDerivedTypeBase &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
- DITypeRef getTypeDerivedFrom() const { return getFieldAs<DITypeRef>(3); }
+ DITypeRef getTypeDerivedFrom() const {
+ return DITypeRef::get(get()->getBaseType());
+ }
/// \brief Return property node, if this ivar is associated with one.
- MDNode *getObjCProperty() const;
+ MDNode *getObjCProperty() const {
+ if (auto *N = dyn_cast<MDDerivedType>(get()))
+ return dyn_cast_or_null<MDNode>(N->getExtraData());
+ return nullptr;
+ }
DITypeRef getClassType() const {
assert(getTag() == dwarf::DW_TAG_ptr_to_member_type);
- return getFieldAs<DITypeRef>(4);
+ if (auto *N = dyn_cast<MDDerivedType>(get()))
+ return DITypeRef::get(N->getExtraData());
+ return DITypeRef::get(nullptr);
}
Constant *getConstant() const {
assert((getTag() == dwarf::DW_TAG_member) && isStaticMember());
- return getConstantField(4);
- }
+ if (auto *N = dyn_cast<MDDerivedType>(get()))
+ if (auto *C = dyn_cast_or_null<ConstantAsMetadata>(N->getExtraData()))
+ return C->getValue();
- bool Verify() const;
+ return nullptr;
+ }
};
/// \brief Types that refer to multiple other types.
// base type in a single DIType field.
class DICompositeType : public DIDerivedType {
friend class DIBuilder;
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
/// \brief Set the array of member DITypes.
void setArraysHelper(MDNode *Elements, MDNode *TParams);
public:
explicit DICompositeType(const MDNode *N = nullptr) : DIDerivedType(N) {}
+ DICompositeType(const MDCompositeTypeBase *N) : DIDerivedType(N) {}
+
+ MDCompositeTypeBase *get() const {
+ return cast_or_null<MDCompositeTypeBase>(DIDescriptor::get());
+ }
+ operator MDCompositeTypeBase *() const { return get(); }
+ MDCompositeTypeBase *operator->() const { return get(); }
+ MDCompositeTypeBase &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
DIArray getElements() const {
assert(!isSubroutineType() && "no elements for DISubroutineType");
- return getFieldAs<DIArray>(4);
+ return DIArray(get()->getElements());
}
private:
}
public:
- unsigned getRunTimeLang() const { return getHeaderFieldAs<unsigned>(7); }
- DITypeRef getContainingType() const { return getFieldAs<DITypeRef>(5); }
+ unsigned getRunTimeLang() const { return get()->getRuntimeLang(); }
+ DITypeRef getContainingType() const {
+ return DITypeRef::get(get()->getVTableHolder());
+ }
private:
/// \brief Set the containing type.
void setContainingType(DICompositeType ContainingType);
public:
- DIArray getTemplateParams() const { return getFieldAs<DIArray>(6); }
- MDString *getIdentifier() const;
-
- bool Verify() const;
+ DIArray getTemplateParams() const {
+ return DIArray(get()->getTemplateParams());
+ }
+ MDString *getIdentifier() const { return get()->getRawIdentifier(); }
};
class DISubroutineType : public DICompositeType {
public:
explicit DISubroutineType(const MDNode *N = nullptr) : DICompositeType(N) {}
+ DISubroutineType(const MDSubroutineType *N) : DICompositeType(N) {}
+
+ MDSubroutineType *get() const {
+ return cast_or_null<MDSubroutineType>(DIDescriptor::get());
+ }
+ operator MDSubroutineType *() const { return get(); }
+ MDSubroutineType *operator->() const { return get(); }
+ MDSubroutineType &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
+
DITypedArray<DITypeRef> getTypeArray() const {
- return getFieldAs<DITypedArray<DITypeRef>>(4);
+ return DITypedArray<DITypeRef>(get()->getTypeArray());
}
};
/// \brief This is a wrapper for a file.
class DIFile : public DIScope {
- friend class DIDescriptor;
-
public:
explicit DIFile(const MDNode *N = nullptr) : DIScope(N) {}
+ DIFile(const MDFile *N) : DIScope(N) {}
+
+ MDFile *get() const { return cast_or_null<MDFile>(DIDescriptor::get()); }
+ operator MDFile *() const { return get(); }
+ MDFile *operator->() const { return get(); }
+ MDFile &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
/// \brief Retrieve the MDNode for the directory/file pair.
- MDNode *getFileNode() const;
- bool Verify() const;
+ MDNode *getFileNode() const { return get(); }
};
/// \brief A wrapper for a compile unit.
class DICompileUnit : public DIScope {
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
-
public:
explicit DICompileUnit(const MDNode *N = nullptr) : DIScope(N) {}
+ DICompileUnit(const MDCompileUnit *N) : DIScope(N) {}
- dwarf::SourceLanguage getLanguage() const {
- return static_cast<dwarf::SourceLanguage>(getHeaderFieldAs<unsigned>(1));
+ MDCompileUnit *get() const {
+ return cast_or_null<MDCompileUnit>(DIDescriptor::get());
+ }
+ operator MDCompileUnit *() const { return get(); }
+ MDCompileUnit *operator->() const { return get(); }
+ MDCompileUnit &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
}
- StringRef getProducer() const { return getHeaderField(2); }
- bool isOptimized() const { return getHeaderFieldAs<bool>(3) != 0; }
- StringRef getFlags() const { return getHeaderField(4); }
- unsigned getRunTimeVersion() const { return getHeaderFieldAs<unsigned>(5); }
+ dwarf::SourceLanguage getLanguage() const {
+ return static_cast<dwarf::SourceLanguage>(get()->getSourceLanguage());
+ }
+ StringRef getProducer() const { return get()->getProducer(); }
+ bool isOptimized() const { return get()->isOptimized(); }
+ StringRef getFlags() const { return get()->getFlags(); }
+ unsigned getRunTimeVersion() const { return get()->getRuntimeVersion(); }
- DIArray getEnumTypes() const;
- DIArray getRetainedTypes() const;
- DIArray getSubprograms() const;
- DIArray getGlobalVariables() const;
- DIArray getImportedEntities() const;
+ DIArray getEnumTypes() const { return DIArray(get()->getEnumTypes()); }
+ DIArray getRetainedTypes() const {
+ return DIArray(get()->getRetainedTypes());
+ }
+ DIArray getSubprograms() const { return DIArray(get()->getSubprograms()); }
+ DIArray getGlobalVariables() const {
+ return DIArray(get()->getGlobalVariables());
+ }
+ DIArray getImportedEntities() const {
+ return DIArray(get()->getImportedEntities());
+ }
void replaceSubprograms(DIArray Subprograms);
void replaceGlobalVariables(DIArray GlobalVariables);
- StringRef getSplitDebugFilename() const { return getHeaderField(6); }
- unsigned getEmissionKind() const { return getHeaderFieldAs<unsigned>(7); }
-
- bool Verify() const;
+ StringRef getSplitDebugFilename() const {
+ return get()->getSplitDebugFilename();
+ }
+ unsigned getEmissionKind() const { return get()->getEmissionKind(); }
};
/// \brief This is a wrapper for a subprogram (e.g. a function).
class DISubprogram : public DIScope {
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
-
public:
explicit DISubprogram(const MDNode *N = nullptr) : DIScope(N) {}
+ DISubprogram(const MDSubprogram *N) : DIScope(N) {}
- StringRef getName() const { return getHeaderField(1); }
- StringRef getDisplayName() const { return getHeaderField(2); }
- StringRef getLinkageName() const { return getHeaderField(3); }
- unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(4); }
+ MDSubprogram *get() const {
+ return cast_or_null<MDSubprogram>(DIDescriptor::get());
+ }
+ operator MDSubprogram *() const { return get(); }
+ MDSubprogram *operator->() const { return get(); }
+ MDSubprogram &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
+
+ StringRef getName() const { return get()->getName(); }
+ StringRef getDisplayName() const { return get()->getDisplayName(); }
+ StringRef getLinkageName() const { return get()->getLinkageName(); }
+ unsigned getLineNumber() const { return get()->getLine(); }
/// \brief Check if this is local (like 'static' in C).
- unsigned isLocalToUnit() const { return getHeaderFieldAs<unsigned>(5); }
- unsigned isDefinition() const { return getHeaderFieldAs<unsigned>(6); }
+ unsigned isLocalToUnit() const { return get()->isLocalToUnit(); }
+ unsigned isDefinition() const { return get()->isDefinition(); }
- unsigned getVirtuality() const { return getHeaderFieldAs<unsigned>(7); }
- unsigned getVirtualIndex() const { return getHeaderFieldAs<unsigned>(8); }
+ unsigned getVirtuality() const { return get()->getVirtuality(); }
+ unsigned getVirtualIndex() const { return get()->getVirtualIndex(); }
- unsigned getFlags() const { return getHeaderFieldAs<unsigned>(9); }
+ unsigned getFlags() const { return get()->getFlags(); }
- unsigned isOptimized() const { return getHeaderFieldAs<bool>(10); }
+ unsigned isOptimized() const { return get()->isOptimized(); }
/// \brief Get the beginning of the scope of the function (not the name).
- unsigned getScopeLineNumber() const { return getHeaderFieldAs<unsigned>(11); }
+ unsigned getScopeLineNumber() const { return get()->getScopeLine(); }
- DIScopeRef getContext() const { return getFieldAs<DIScopeRef>(2); }
- DISubroutineType getType() const { return getFieldAs<DISubroutineType>(3); }
-
- DITypeRef getContainingType() const { return getFieldAs<DITypeRef>(4); }
+ DIScopeRef getContext() const { return DIScopeRef::get(get()->getScope()); }
+ DISubroutineType getType() const {
+ return DISubroutineType(get()->getType());
+ }
- bool Verify() const;
+ DITypeRef getContainingType() const {
+ return DITypeRef::get(get()->getContainingType());
+ }
/// \brief Check if this provides debugging information for the function F.
bool describes(const Function *F);
- Function *getFunction() const { return getFunctionField(5); }
- void replaceFunction(Function *F) { replaceFunctionField(5, F); }
- DIArray getTemplateParams() const { return getFieldAs<DIArray>(6); }
+ Function *getFunction() const;
+
+ void replaceFunction(Function *F) {
+ if (auto *N = get())
+ N->replaceFunction(F);
+ }
+ DIArray getTemplateParams() const {
+ return DIArray(get()->getTemplateParams());
+ }
DISubprogram getFunctionDeclaration() const {
- return getFieldAs<DISubprogram>(7);
+ return DISubprogram(get()->getDeclaration());
}
- MDNode *getVariablesNodes() const;
- DIArray getVariables() const;
+ MDNode *getVariablesNodes() const { return getVariables(); }
+ DIArray getVariables() const { return DIArray(get()->getVariables()); }
unsigned isArtificial() const { return (getFlags() & FlagArtificial) != 0; }
/// \brief Check for the "private" access specifier.
class DILexicalBlock : public DIScope {
public:
explicit DILexicalBlock(const MDNode *N = nullptr) : DIScope(N) {}
- DIScope getContext() const { return getFieldAs<DIScope>(2); }
- unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(1); }
- unsigned getColumnNumber() const { return getHeaderFieldAs<unsigned>(2); }
- bool Verify() const;
+ DILexicalBlock(const MDLexicalBlockBase *N) : DIScope(N) {}
+
+ MDLexicalBlockBase *get() const {
+ return cast_or_null<MDLexicalBlockBase>(DIDescriptor::get());
+ }
+ operator MDLexicalBlockBase *() const { return get(); }
+ MDLexicalBlockBase *operator->() const { return get(); }
+ MDLexicalBlockBase &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
+
+ DIScope getContext() const { return DIScope(get()->getScope()); }
+ unsigned getLineNumber() const {
+ if (auto *N = dyn_cast<MDLexicalBlock>(get()))
+ return N->getLine();
+ return 0;
+ }
+ unsigned getColumnNumber() const {
+ if (auto *N = dyn_cast<MDLexicalBlock>(get()))
+ return N->getColumn();
+ return 0;
+ }
};
/// \brief This is a wrapper for a lexical block with a filename change.
class DILexicalBlockFile : public DIScope {
public:
explicit DILexicalBlockFile(const MDNode *N = nullptr) : DIScope(N) {}
- DIScope getContext() const {
- if (getScope().isSubprogram())
- return getScope();
- return getScope().getContext();
- }
- unsigned getLineNumber() const { return getScope().getLineNumber(); }
- unsigned getColumnNumber() const { return getScope().getColumnNumber(); }
- DILexicalBlock getScope() const { return getFieldAs<DILexicalBlock>(2); }
- unsigned getDiscriminator() const { return getHeaderFieldAs<unsigned>(1); }
- bool Verify() const;
+ DILexicalBlockFile(const MDLexicalBlockFile *N) : DIScope(N) {}
+
+ MDLexicalBlockFile *get() const {
+ return cast_or_null<MDLexicalBlockFile>(DIDescriptor::get());
+ }
+ operator MDLexicalBlockFile *() const { return get(); }
+ MDLexicalBlockFile *operator->() const { return get(); }
+ MDLexicalBlockFile &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
+
+ DIScope getContext() const { return get()->getScope(); }
+ unsigned getDiscriminator() const { return get()->getDiscriminator(); }
};
/// \brief A wrapper for a C++ style name space.
class DINameSpace : public DIScope {
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
-
public:
explicit DINameSpace(const MDNode *N = nullptr) : DIScope(N) {}
- StringRef getName() const { return getHeaderField(1); }
- unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(2); }
- DIScope getContext() const { return getFieldAs<DIScope>(2); }
- bool Verify() const;
+ DINameSpace(const MDNamespace *N) : DIScope(N) {}
+
+ MDNamespace *get() const {
+ return cast_or_null<MDNamespace>(DIDescriptor::get());
+ }
+ operator MDNamespace *() const { return get(); }
+ MDNamespace *operator->() const { return get(); }
+ MDNamespace &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
+
+ StringRef getName() const { return get()->getName(); }
+ unsigned getLineNumber() const { return get()->getLine(); }
+ DIScope getContext() const { return DIScope(get()->getScope()); }
};
/// \brief This is a wrapper for template type parameter.
public:
explicit DITemplateTypeParameter(const MDNode *N = nullptr)
: DIDescriptor(N) {}
+ DITemplateTypeParameter(const MDTemplateTypeParameter *N) : DIDescriptor(N) {}
- StringRef getName() const { return getHeaderField(1); }
- unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(2); }
- unsigned getColumnNumber() const { return getHeaderFieldAs<unsigned>(3); }
-
- DIScopeRef getContext() const { return getFieldAs<DIScopeRef>(1); }
- DITypeRef getType() const { return getFieldAs<DITypeRef>(2); }
- StringRef getFilename() const { return getFieldAs<DIFile>(3).getFilename(); }
- StringRef getDirectory() const {
- return getFieldAs<DIFile>(3).getDirectory();
+ MDTemplateTypeParameter *get() const {
+ return cast_or_null<MDTemplateTypeParameter>(DIDescriptor::get());
}
- bool Verify() const;
+ operator MDTemplateTypeParameter *() const { return get(); }
+ MDTemplateTypeParameter *operator->() const { return get(); }
+ MDTemplateTypeParameter &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
+
+ StringRef getName() const { return get()->getName(); }
+
+ DITypeRef getType() const { return DITypeRef::get(get()->getType()); }
};
/// \brief This is a wrapper for template value parameter.
public:
explicit DITemplateValueParameter(const MDNode *N = nullptr)
: DIDescriptor(N) {}
+ DITemplateValueParameter(const MDTemplateValueParameter *N)
+ : DIDescriptor(N) {}
- StringRef getName() const { return getHeaderField(1); }
- unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(2); }
- unsigned getColumnNumber() const { return getHeaderFieldAs<unsigned>(3); }
-
- DIScopeRef getContext() const { return getFieldAs<DIScopeRef>(1); }
- DITypeRef getType() const { return getFieldAs<DITypeRef>(2); }
- Metadata *getValue() const;
- StringRef getFilename() const { return getFieldAs<DIFile>(4).getFilename(); }
- StringRef getDirectory() const {
- return getFieldAs<DIFile>(4).getDirectory();
+ MDTemplateValueParameter *get() const {
+ return cast_or_null<MDTemplateValueParameter>(DIDescriptor::get());
}
- bool Verify() const;
+ operator MDTemplateValueParameter *() const { return get(); }
+ MDTemplateValueParameter *operator->() const { return get(); }
+ MDTemplateValueParameter &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
+
+ StringRef getName() const { return get()->getName(); }
+ DITypeRef getType() const { return DITypeRef::get(get()->getType()); }
+ Metadata *getValue() const { return get()->getValue(); }
};
/// \brief This is a wrapper for a global variable.
class DIGlobalVariable : public DIDescriptor {
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
+ DIFile getFile() const { return DIFile(get()->getFile()); }
public:
explicit DIGlobalVariable(const MDNode *N = nullptr) : DIDescriptor(N) {}
+ DIGlobalVariable(const MDGlobalVariable *N) : DIDescriptor(N) {}
- StringRef getName() const { return getHeaderField(1); }
- StringRef getDisplayName() const { return getHeaderField(2); }
- StringRef getLinkageName() const { return getHeaderField(3); }
- unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(4); }
- unsigned isLocalToUnit() const { return getHeaderFieldAs<bool>(5); }
- unsigned isDefinition() const { return getHeaderFieldAs<bool>(6); }
-
- DIScope getContext() const { return getFieldAs<DIScope>(1); }
- StringRef getFilename() const { return getFieldAs<DIFile>(2).getFilename(); }
- StringRef getDirectory() const {
- return getFieldAs<DIFile>(2).getDirectory();
+ MDGlobalVariable *get() const {
+ return cast_or_null<MDGlobalVariable>(DIDescriptor::get());
}
- DITypeRef getType() const { return getFieldAs<DITypeRef>(3); }
+ operator MDGlobalVariable *() const { return get(); }
+ MDGlobalVariable *operator->() const { return get(); }
+ MDGlobalVariable &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
+
+ StringRef getName() const { return get()->getName(); }
+ StringRef getDisplayName() const { return get()->getDisplayName(); }
+ StringRef getLinkageName() const { return get()->getLinkageName(); }
+ unsigned getLineNumber() const { return get()->getLine(); }
+ unsigned isLocalToUnit() const { return get()->isLocalToUnit(); }
+ unsigned isDefinition() const { return get()->isDefinition(); }
+
+ DIScope getContext() const { return DIScope(get()->getScope()); }
+ StringRef getFilename() const { return getFile().getFilename(); }
+ StringRef getDirectory() const { return getFile().getDirectory(); }
+ DITypeRef getType() const { return DITypeRef::get(get()->getType()); }
- GlobalVariable *getGlobal() const { return getGlobalVariableField(4); }
- Constant *getConstant() const { return getConstantField(4); }
+ GlobalVariable *getGlobal() const;
+ Constant *getConstant() const {
+ if (auto *N = get())
+ if (auto *C = dyn_cast_or_null<ConstantAsMetadata>(N->getVariable()))
+ return C->getValue();
+ return nullptr;
+ }
DIDerivedType getStaticDataMemberDeclaration() const {
- return getFieldAs<DIDerivedType>(5);
+ return DIDerivedType(get()->getStaticDataMemberDeclaration());
}
-
- bool Verify() const;
};
/// \brief This is a wrapper for a variable (e.g. parameter, local, global etc).
class DIVariable : public DIDescriptor {
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
+ unsigned getFlags() const { return get()->getFlags(); }
public:
explicit DIVariable(const MDNode *N = nullptr) : DIDescriptor(N) {}
+ DIVariable(const MDLocalVariable *N) : DIDescriptor(N) {}
- StringRef getName() const { return getHeaderField(1); }
- unsigned getLineNumber() const {
- // FIXME: Line number and arg number shouldn't be merged together like this.
- return (getHeaderFieldAs<unsigned>(2) << 8) >> 8;
+ MDLocalVariable *get() const {
+ return cast_or_null<MDLocalVariable>(DIDescriptor::get());
+ }
+ operator MDLocalVariable *() const { return get(); }
+ MDLocalVariable *operator->() const { return get(); }
+ MDLocalVariable &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
}
- unsigned getArgNumber() const { return getHeaderFieldAs<unsigned>(2) >> 24; }
- DIScope getContext() const { return getFieldAs<DIScope>(1); }
- DIFile getFile() const { return getFieldAs<DIFile>(2); }
- DITypeRef getType() const { return getFieldAs<DITypeRef>(3); }
+ StringRef getName() const { return get()->getName(); }
+ unsigned getLineNumber() const { return get()->getLine(); }
+ unsigned getArgNumber() const { return get()->getArg(); }
+
+ DIScope getContext() const { return DIScope(get()->getScope()); }
+ DIFile getFile() const { return DIFile(get()->getFile()); }
+ DITypeRef getType() const { return DITypeRef::get(get()->getType()); }
/// \brief Return true if this variable is marked as "artificial".
bool isArtificial() const {
- return (getHeaderFieldAs<unsigned>(3) & FlagArtificial) != 0;
+ return (getFlags() & FlagArtificial) != 0;
}
bool isObjectPointer() const {
- return (getHeaderFieldAs<unsigned>(3) & FlagObjectPointer) != 0;
+ return (getFlags() & FlagObjectPointer) != 0;
}
/// \brief If this variable is inlined then return inline location.
- MDNode *getInlinedAt() const;
-
- bool Verify() const;
+ MDNode *getInlinedAt() const { return DIDescriptor(get()->getInlinedAt()); }
/// \brief Check if this is a "__block" variable (Apple Blocks).
bool isBlockByrefVariable(const DITypeIdentifierMap &Map) const {
/// FIXME: Instead of DW_OP_plus taking an argument, this should use DW_OP_const
/// and have DW_OP_plus consume the topmost elements on the stack.
class DIExpression : public DIDescriptor {
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
-
public:
explicit DIExpression(const MDNode *N = nullptr) : DIDescriptor(N) {}
+ DIExpression(const MDExpression *N) : DIDescriptor(N) {}
- bool Verify() const;
+ MDExpression *get() const {
+ return cast_or_null<MDExpression>(DIDescriptor::get());
+ }
+ operator MDExpression *() const { return get(); }
+ MDExpression *operator->() const { return get(); }
+ MDExpression &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
/// \brief Return the number of elements in the complex expression.
- unsigned getNumElements() const {
- if (!DbgNode)
- return 0;
- unsigned N = getNumHeaderFields();
- assert(N > 0 && "missing tag");
- return N - 1;
- }
+ unsigned getNumElements() const { return get()->getNumElements(); }
/// \brief return the Idx'th complex address element.
- uint64_t getElement(unsigned Idx) const;
+ uint64_t getElement(unsigned I) const { return get()->getElement(I); }
/// \brief Return whether this is a piece of an aggregate variable.
- bool isVariablePiece() const;
- /// \brief Return the offset of this piece in bytes.
- uint64_t getPieceOffset() const;
- /// \brief Return the size of this piece in bytes.
- uint64_t getPieceSize() const;
+ bool isBitPiece() const;
+ /// \brief Return the offset of this piece in bits.
+ uint64_t getBitPieceOffset() const;
+ /// \brief Return the size of this piece in bits.
+ uint64_t getBitPieceSize() const;
class iterator;
/// \brief A lightweight wrapper around an element of a DIExpression.
class Operand {
friend class iterator;
- DIHeaderFieldIterator I;
+ MDExpression::element_iterator I;
Operand() {}
- Operand(DIHeaderFieldIterator I) : I(I) {}
+ Operand(MDExpression::element_iterator I) : I(I) {}
public:
/// \brief Operands such as DW_OP_piece have explicit (non-stack) arguments.
/// Argument 0 is the operand itself.
uint64_t getArg(unsigned N) const {
- DIHeaderFieldIterator In = I;
+ MDExpression::element_iterator In = I;
std::advance(In, N);
- return In.getNumber<uint64_t>();
+ return *In;
}
- operator uint64_t () const { return I.getNumber<uint64_t>(); }
- /// \brief Returns underlying DIHeaderFieldIterator.
- const DIHeaderFieldIterator &getBase() const { return I; }
+ operator uint64_t () const { return *I; }
+ /// \brief Returns underlying MDExpression::element_iterator.
+ const MDExpression::element_iterator &getBase() const { return I; }
/// \brief Returns the next operand.
- Operand getNext() const;
+ iterator getNext() const;
};
/// \brief An iterator for DIExpression elements.
class iterator : public std::iterator<std::input_iterator_tag, StringRef,
unsigned, const Operand*, Operand> {
friend class Operand;
- DIHeaderFieldIterator I;
+ MDExpression::element_iterator I;
Operand Tmp;
- iterator(DIHeaderFieldIterator I) : I(I) {}
+
public:
- iterator() {}
- iterator(const DIExpression &Expr) : I(++Expr.header_begin()) {}
+ iterator(MDExpression::element_iterator I) : I(I) {}
const Operand &operator*() { return Tmp = Operand(I); }
const Operand *operator->() { return &(Tmp = Operand(I)); }
iterator &operator++() {
private:
void increment() {
switch (**this) {
- case dwarf::DW_OP_piece: std::advance(I, 3); break;
- case dwarf::DW_OP_plus: std::advance(I, 2); break;
- case dwarf::DW_OP_deref: std::advance(I, 1); break;
+ case dwarf::DW_OP_bit_piece: std::advance(I, 3); break;
+ case dwarf::DW_OP_plus: std::advance(I, 2); break;
+ case dwarf::DW_OP_deref: std::advance(I, 1); break;
default:
llvm_unreachable("unsupported operand");
}
}
};
- iterator begin() const;
- iterator end() const;
+ iterator begin() const { return get()->elements_begin(); }
+ iterator end() const { return get()->elements_end(); }
};
/// \brief This object holds location information.
class DILocation : public DIDescriptor {
public:
explicit DILocation(const MDNode *N) : DIDescriptor(N) {}
+ DILocation(const MDLocation *N) : DIDescriptor(N) {}
- unsigned getLineNumber() const {
- if (auto *L = dyn_cast_or_null<MDLocation>(DbgNode))
- return L->getLine();
- return 0;
- }
- unsigned getColumnNumber() const {
- if (auto *L = dyn_cast_or_null<MDLocation>(DbgNode))
- return L->getColumn();
- return 0;
+ MDLocation *get() const {
+ return cast_or_null<MDLocation>(DIDescriptor::get());
}
- DIScope getScope() const {
- if (auto *L = dyn_cast_or_null<MDLocation>(DbgNode))
- return DIScope(dyn_cast_or_null<MDNode>(L->getScope()));
- return DIScope(nullptr);
+ operator MDLocation *() const { return get(); }
+ MDLocation *operator->() const { return get(); }
+ MDLocation &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
}
+
+ unsigned getLineNumber() const { return get()->getLine(); }
+ unsigned getColumnNumber() const { return get()->getColumn(); }
+ DIScope getScope() const { return DIScope(get()->getScope()); }
DILocation getOrigLocation() const {
- if (auto *L = dyn_cast_or_null<MDLocation>(DbgNode))
- return DILocation(dyn_cast_or_null<MDNode>(L->getInlinedAt()));
- return DILocation(nullptr);
+ return DILocation(get()->getInlinedAt());
}
StringRef getFilename() const { return getScope().getFilename(); }
StringRef getDirectory() const { return getScope().getDirectory(); }
- bool Verify() const;
bool atSameLineAs(const DILocation &Other) const {
return (getLineNumber() == Other.getLineNumber() &&
getFilename() == Other.getFilename());
// Since discriminators are associated with lexical blocks, make
// sure this location is a lexical block before retrieving its
// value.
- return getScope().isLexicalBlockFile()
- ? DILexicalBlockFile(
- cast<MDNode>(cast<MDLocation>(DbgNode)->getScope()))
- .getDiscriminator()
- : 0;
+ if (auto *F = dyn_cast<MDLexicalBlockFile>(get()->getScope()))
+ return F->getDiscriminator();
+ return 0;
}
/// \brief Generate a new discriminator value for this location.
};
class DIObjCProperty : public DIDescriptor {
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
-
public:
explicit DIObjCProperty(const MDNode *N) : DIDescriptor(N) {}
+ DIObjCProperty(const MDObjCProperty *N) : DIDescriptor(N) {}
- StringRef getObjCPropertyName() const { return getHeaderField(1); }
- DIFile getFile() const { return getFieldAs<DIFile>(1); }
- unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(2); }
+ MDObjCProperty *get() const {
+ return cast_or_null<MDObjCProperty>(DIDescriptor::get());
+ }
+ operator MDObjCProperty *() const { return get(); }
+ MDObjCProperty *operator->() const { return get(); }
+ MDObjCProperty &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
- StringRef getObjCPropertyGetterName() const { return getHeaderField(3); }
- StringRef getObjCPropertySetterName() const { return getHeaderField(4); }
- unsigned getAttributes() const { return getHeaderFieldAs<unsigned>(5); }
+ StringRef getObjCPropertyName() const { return get()->getName(); }
+ DIFile getFile() const { return DIFile(get()->getFile()); }
+ unsigned getLineNumber() const { return get()->getLine(); }
+
+ StringRef getObjCPropertyGetterName() const { return get()->getGetterName(); }
+ StringRef getObjCPropertySetterName() const { return get()->getSetterName(); }
+ unsigned getAttributes() const { return get()->getAttributes(); }
bool isReadOnlyObjCProperty() const {
return (getAttributes() & dwarf::DW_APPLE_PROPERTY_readonly) != 0;
}
///
/// \note Objective-C doesn't have an ODR, so there is no benefit in storing
/// the type as a DITypeRef here.
- DIType getType() const { return getFieldAs<DIType>(2); }
-
- bool Verify() const;
+ DIType getType() const { return DIType(get()->getType()); }
};
/// \brief An imported module (C++ using directive or similar).
class DIImportedEntity : public DIDescriptor {
- friend class DIDescriptor;
- void printInternal(raw_ostream &OS) const;
-
public:
+ DIImportedEntity() = default;
explicit DIImportedEntity(const MDNode *N) : DIDescriptor(N) {}
- DIScope getContext() const { return getFieldAs<DIScope>(1); }
- DIScopeRef getEntity() const { return getFieldAs<DIScopeRef>(2); }
- unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(1); }
- StringRef getName() const { return getHeaderField(2); }
- bool Verify() const;
+ DIImportedEntity(const MDImportedEntity *N) : DIDescriptor(N) {}
+
+ MDImportedEntity *get() const {
+ return cast_or_null<MDImportedEntity>(DIDescriptor::get());
+ }
+ operator MDImportedEntity *() const { return get(); }
+ MDImportedEntity *operator->() const { return get(); }
+ MDImportedEntity &operator*() const {
+ assert(get() && "Expected valid pointer");
+ return *get();
+ }
+
+ DIScope getContext() const { return DIScope(get()->getScope()); }
+ DIDescriptorRef getEntity() const {
+ return DIDescriptorRef::get(get()->getEntity());
+ }
+ unsigned getLineNumber() const { return get()->getLine(); }
+ StringRef getName() const { return get()->getName(); }
};
+#define SIMPLIFY_DESCRIPTOR(DESC) \
+ template <> struct simplify_type<const DESC> { \
+ typedef Metadata *SimpleType; \
+ static SimpleType getSimplifiedValue(const DESC &DI) { return DI; } \
+ }; \
+ template <> struct simplify_type<DESC> : simplify_type<const DESC> {};
+SIMPLIFY_DESCRIPTOR(DIDescriptor)
+SIMPLIFY_DESCRIPTOR(DISubrange)
+SIMPLIFY_DESCRIPTOR(DIEnumerator)
+SIMPLIFY_DESCRIPTOR(DIScope)
+SIMPLIFY_DESCRIPTOR(DIType)
+SIMPLIFY_DESCRIPTOR(DIBasicType)
+SIMPLIFY_DESCRIPTOR(DIDerivedType)
+SIMPLIFY_DESCRIPTOR(DICompositeType)
+SIMPLIFY_DESCRIPTOR(DISubroutineType)
+SIMPLIFY_DESCRIPTOR(DIFile)
+SIMPLIFY_DESCRIPTOR(DICompileUnit)
+SIMPLIFY_DESCRIPTOR(DISubprogram)
+SIMPLIFY_DESCRIPTOR(DILexicalBlock)
+SIMPLIFY_DESCRIPTOR(DILexicalBlockFile)
+SIMPLIFY_DESCRIPTOR(DINameSpace)
+SIMPLIFY_DESCRIPTOR(DITemplateTypeParameter)
+SIMPLIFY_DESCRIPTOR(DITemplateValueParameter)
+SIMPLIFY_DESCRIPTOR(DIGlobalVariable)
+SIMPLIFY_DESCRIPTOR(DIVariable)
+SIMPLIFY_DESCRIPTOR(DIExpression)
+SIMPLIFY_DESCRIPTOR(DILocation)
+SIMPLIFY_DESCRIPTOR(DIObjCProperty)
+SIMPLIFY_DESCRIPTOR(DIImportedEntity)
+#undef SIMPLIFY_DESCRIPTOR
+
/// \brief Find subprogram that is enclosing this scope.
DISubprogram getDISubprogram(const MDNode *Scope);
/// metadata for debugging. We also remove debug locations for instructions.
/// Return true if module is modified.
bool StripDebugInfo(Module &M);
+bool stripDebugInfo(Function &F);
/// \brief Return Debug Info Metadata Version by checking module flags.
unsigned getDebugMetadataVersionFromModule(const Module &M);
/// \brief Process DILocation.
void processLocation(const Module &M, DILocation Loc);
- /// \brief Process DIExpression.
- void processExpression(DIExpression Expr);
-
/// \brief Clear all lists.
void reset();
projects / oota-llvm.git / blobdiff