+ //===--------------------------------------------------------------------===//
+ // Metadata manipulation.
+ //===--------------------------------------------------------------------===//
+
+ /// hasMetadata() - Return true if this instruction has any metadata attached
+ /// to it.
+ bool hasMetadata() const {
+ return !DbgLoc.isUnknown() || hasMetadataHashEntry();
+ }
+
+ /// hasMetadataOtherThanDebugLoc - Return true if this instruction has
+ /// metadata attached to it other than a debug location.
+ bool hasMetadataOtherThanDebugLoc() const {
+ return hasMetadataHashEntry();
+ }
+
+ /// getMetadata - Get the metadata of given kind attached to this Instruction.
+ /// If the metadata is not found then return null.
+ MDNode *getMetadata(unsigned KindID) const {
+ if (!hasMetadata()) return 0;
+ return getMetadataImpl(KindID);
+ }
+
+ /// getMetadata - Get the metadata of given kind attached to this Instruction.
+ /// If the metadata is not found then return null.
+ MDNode *getMetadata(StringRef Kind) const {
+ if (!hasMetadata()) return 0;
+ return getMetadataImpl(Kind);
+ }
+
+ /// getAllMetadata - Get all metadata attached to this Instruction. The first
+ /// element of each pair returned is the KindID, the second element is the
+ /// metadata value. This list is returned sorted by the KindID.
+ void getAllMetadata(SmallVectorImpl<std::pair<unsigned, MDNode*> > &MDs)const{
+ if (hasMetadata())
+ getAllMetadataImpl(MDs);
+ }
+
+ /// getAllMetadataOtherThanDebugLoc - This does the same thing as
+ /// getAllMetadata, except that it filters out the debug location.
+ void getAllMetadataOtherThanDebugLoc(SmallVectorImpl<std::pair<unsigned,
+ MDNode*> > &MDs) const {
+ if (hasMetadataOtherThanDebugLoc())
+ getAllMetadataOtherThanDebugLocImpl(MDs);
+ }
+
+ /// setMetadata - Set the metadata of the specified kind to the specified
+ /// node. This updates/replaces metadata if already present, or removes it if
+ /// Node is null.
+ void setMetadata(unsigned KindID, MDNode *Node);
+ void setMetadata(StringRef Kind, MDNode *Node);
+
+ /// setDebugLoc - Set the debug location information for this instruction.
+ void setDebugLoc(const DebugLoc &Loc) { DbgLoc = Loc; }
+
+ /// getDebugLoc - Return the debug location for this node as a DebugLoc.
+ const DebugLoc &getDebugLoc() const { return DbgLoc; }
+
+private:
+ /// hasMetadataHashEntry - Return true if we have an entry in the on-the-side
+ /// metadata hash.
+ bool hasMetadataHashEntry() const {
+ return (getSubclassDataFromValue() & HasMetadataBit) != 0;
+ }
+
+ // These are all implemented in Metadata.cpp.
+ MDNode *getMetadataImpl(unsigned KindID) const;
+ MDNode *getMetadataImpl(StringRef Kind) const;
+ void getAllMetadataImpl(SmallVectorImpl<std::pair<unsigned,MDNode*> > &)const;
+ void getAllMetadataOtherThanDebugLocImpl(SmallVectorImpl<std::pair<unsigned,
+ MDNode*> > &) const;
+ void clearMetadataHashEntries();
+public:
+ //===--------------------------------------------------------------------===//
+ // Predicates and helper methods.
+ //===--------------------------------------------------------------------===//
+
+