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DebugInfo: DIRef<> => TypedDebugNodeRef<>
Delete `DIRef<>`, and replace the remaining uses of it with `TypedDebugNodeRef<>`. To minimize code churn, I've added typedefs from `MDTypeRef` to `DITypeRef` (etc.). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235071 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -100,6 +100,9 @@ DECLARE_SIMPLIFY_DESCRIPTOR(DIImportedEntity)
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typedef DebugNodeArray DIArray;
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typedef MDTypeRefArray DITypeArray;
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typedef DebugNodeRef DIDescriptorRef;
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typedef MDScopeRef DIScopeRef;
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typedef MDTypeRef DITypeRef;
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class DISubrange {
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MDSubrange *N;
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@ -124,11 +127,6 @@ public:
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MDEnumerator &operator*() const { return *N; }
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};
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template <typename T> class DIRef;
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typedef DIRef<DIDescriptor> DIDescriptorRef;
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typedef DIRef<DIScope> DIScopeRef;
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typedef DIRef<DIType> DITypeRef;
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class DIScope {
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MDScope *N;
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@ -141,32 +139,6 @@ public:
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MDScope &operator*() const { return *N; }
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};
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/// \brief Represents reference to a DIDescriptor.
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///
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/// Abstracts over direct and identifier-based metadata references.
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template <typename T> class DIRef {
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/// \brief Val can be either a MDNode or a MDString.
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///
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/// In the latter, MDString specifies the type identifier.
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const Metadata *Val;
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public:
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template <class U>
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DIRef(const TypedDebugNodeRef<U> &Ref,
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typename std::enable_if<std::is_convertible<U *, T>::value>::type * =
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nullptr)
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: Val(Ref) {}
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T resolve(const DITypeIdentifierMap &Map) const;
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operator Metadata *() const { return const_cast<Metadata *>(Val); }
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};
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template <>
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DIDescriptor DIRef<DIDescriptor>::resolve(const DITypeIdentifierMap &Map) const;
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template <>
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DIScope DIRef<DIScope>::resolve(const DITypeIdentifierMap &Map) const;
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template <> DIType DIRef<DIType>::resolve(const DITypeIdentifierMap &Map) const;
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class DIType {
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MDType *N;
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@ -129,7 +129,7 @@ bool DebugLocDwarfExpression::isFrameRegister(unsigned MachineReg) {
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/// resolve - Look in the DwarfDebug map for the MDNode that
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/// corresponds to the reference.
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template <typename T> T DbgVariable::resolve(DIRef<T> Ref) const {
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template <typename T> T *DbgVariable::resolve(TypedDebugNodeRef<T> Ref) const {
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return DD->resolve(Ref);
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}
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@ -173,7 +173,7 @@ public:
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private:
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/// resolve - Look in the DwarfDebug map for the MDNode that
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/// corresponds to the reference.
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template <typename T> T resolve(DIRef<T> Ref) const;
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template <typename T> T *resolve(TypedDebugNodeRef<T> Ref) const;
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};
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@ -577,9 +577,6 @@ public:
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void emitDebugLocEntryLocation(const DebugLocEntry &Entry);
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/// Find the MDNode for the given reference.
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template <typename T> T resolve(DIRef<T> Ref) const {
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return Ref.resolve(TypeIdentifierMap);
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}
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template <typename T> T *resolve(TypedDebugNodeRef<T> Ref) const {
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return Ref.resolve(TypeIdentifierMap);
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}
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@ -342,9 +342,6 @@ protected:
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/// resolve - Look in the DwarfDebug map for the MDNode that
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/// corresponds to the reference.
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template <typename T> T resolve(DIRef<T> Ref) const {
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return DD->resolve(Ref);
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}
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template <typename T> T *resolve(TypedDebugNodeRef<T> Ref) const {
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return DD->resolve(Ref);
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}
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@ -307,20 +307,6 @@ bool DebugInfoFinder::addScope(DIScope Scope) {
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return true;
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}
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template <>
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DIDescriptor
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DIRef<DIDescriptor>::resolve(const DITypeIdentifierMap &Map) const {
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return DIDescriptor(DebugNodeRef(Val).resolve(Map));
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}
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template <>
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DIScope DIRef<DIScope>::resolve(const DITypeIdentifierMap &Map) const {
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return MDScopeRef(Val).resolve(Map);
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}
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template <>
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DIType DIRef<DIType>::resolve(const DITypeIdentifierMap &Map) const {
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return MDTypeRef(Val).resolve(Map);
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}
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bool llvm::stripDebugInfo(Function &F) {
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bool Changed = false;
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for (BasicBlock &BB : F) {
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