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Derive NamedMDNode from Value.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93032 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2010-01-09 00:30:14 +00:00
parent 54e146b935
commit 8fba578be7
4 changed files with 28 additions and 15 deletions
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7
include/llvm/Metadata.h
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@@ -31,7 +31,7 @@ template<typename ValueSubClass, typename ItemParentClass>
//===----------------------------------------------------------------------===//
// MetadataBase - A base class for MDNode, MDString and NamedMDNode.
// MetadataBase - A base class for MDNode and MDString.
class MetadataBase : public Value {
protected:
MetadataBase(const Type *Ty, unsigned scid)
@@ -42,8 +42,7 @@ public:
/// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const MetadataBase *) { return true; }
static bool classof(const Value *V) {
return V->getValueID() == MDStringVal || V->getValueID() == MDNodeVal
|| V->getValueID() == NamedMDNodeVal;
return V->getValueID() == MDStringVal || V->getValueID() == MDNodeVal;
}
};
@@ -169,7 +168,7 @@ private:
//===----------------------------------------------------------------------===//
/// NamedMDNode - a tuple of MDNodes.
/// NamedMDNode is always named. All NamedMDNode operand has a type of metadata.
class NamedMDNode : public MetadataBase, public ilist_node<NamedMDNode> {
class NamedMDNode : public Value, public ilist_node<NamedMDNode> {
friend class SymbolTableListTraits<NamedMDNode, Module>;
friend class LLVMContextImpl;