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-rw-r--r--llvm/include/llvm/IR/Metadata.h9
-rw-r--r--llvm/lib/IR/Metadata.cpp3
2 files changed, 4 insertions, 8 deletions
diff --git a/llvm/include/llvm/IR/Metadata.h b/llvm/include/llvm/IR/Metadata.h
index 7f8dca68bfa..6f38013b877 100644
--- a/llvm/include/llvm/IR/Metadata.h
+++ b/llvm/include/llvm/IR/Metadata.h
@@ -45,7 +45,7 @@ protected:
public:
static bool classof(const Value *V) {
- return V->getValueID() == MDNodeVal;
+ return V->getValueID() == MDNodeVal || V->getValueID() == MDStringVal;
}
};
@@ -54,15 +54,14 @@ public:
///
/// These are used to efficiently contain a byte sequence for metadata.
/// MDString is always unnamed.
-///
-/// TODO: Inherit from Metadata.
-class MDString : public Value {
+class MDString : public Metadata {
friend class StringMapEntry<MDString>;
virtual void anchor();
MDString(const MDString &) LLVM_DELETED_FUNCTION;
- explicit MDString(LLVMContext &C);
+ explicit MDString(LLVMContext &Context)
+ : Metadata(Context, Value::MDStringVal) {}
/// \brief Shadow Value::getName() to prevent its use.
StringRef getName() const LLVM_DELETED_FUNCTION;
diff --git a/llvm/lib/IR/Metadata.cpp b/llvm/lib/IR/Metadata.cpp
index 0f5f969d2f6..cdd106033f8 100644
--- a/llvm/lib/IR/Metadata.cpp
+++ b/llvm/lib/IR/Metadata.cpp
@@ -37,9 +37,6 @@ Metadata::Metadata(LLVMContext &Context, unsigned ID)
void MDString::anchor() { }
-MDString::MDString(LLVMContext &C)
- : Value(Type::getMetadataTy(C), Value::MDStringVal) {}
-
MDString *MDString::get(LLVMContext &Context, StringRef Str) {
auto &Store = Context.pImpl->MDStringCache;
auto I = Store.find(Str);
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