Remove MetadataBase class because it is not adding significant value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94243 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 6 insertions, 5 deletions

diff --git a/lib/Bitcode/Writer/ValueEnumerator.cpp b/lib/Bitcode/Writer/ValueEnumerator.cpp
index cb139e5..29a779d 100644
--- a/lib/Bitcode/Writer/ValueEnumerator.cpp
+++ b/lib/Bitcode/Writer/ValueEnumerator.cpp
@@ -140,7 +140,7 @@ void ValueEnumerator::setInstructionID(const Instruction *I) {
 }
 
 unsigned ValueEnumerator::getValueID(const Value *V) const {
-  if (isa<MetadataBase>(V)) {
+  if (isa<MDNode>(V) || isa<MDString>(V)) {
     ValueMapType::const_iterator I = MDValueMap.find(V);
     assert(I != MDValueMap.end() && "Value not in slotcalculator!");
     return I->second-1;
@@ -229,7 +229,8 @@ void ValueEnumerator::EnumerateNamedMDNode(const NamedMDNode *MD) {
   MDValueMap[MD] = Values.size();
 }
 
-void ValueEnumerator::EnumerateMetadata(const MetadataBase *MD) {
+void ValueEnumerator::EnumerateMetadata(const Value *MD) {
+  assert(isa<MDNode>(MD) || isa<MDString>(MD) && "Invalid metadata kind");
   // Check to see if it's already in!
   unsigned &MDValueID = MDValueMap[MD];
   if (MDValueID) {
@@ -262,8 +263,8 @@ void ValueEnumerator::EnumerateMetadata(const MetadataBase *MD) {
 
 void ValueEnumerator::EnumerateValue(const Value *V) {
   assert(!V->getType()->isVoidTy() && "Can't insert void values!");
-  if (const MetadataBase *MB = dyn_cast<MetadataBase>(V))
-    return EnumerateMetadata(MB);
+  if (isa<MDNode>(V) || isa<MDString>(V))
+    return EnumerateMetadata(V);
   else if (const NamedMDNode *NMD = dyn_cast<NamedMDNode>(V))
     return EnumerateNamedMDNode(NMD);
 
diff --git a/lib/Bitcode/Writer/ValueEnumerator.h b/lib/Bitcode/Writer/ValueEnumerator.h
index c50fe9c..4f8ebf5 100644
--- a/lib/Bitcode/Writer/ValueEnumerator.h
+++ b/lib/Bitcode/Writer/ValueEnumerator.h
@@ -127,7 +127,7 @@ public:
 private:
   void OptimizeConstants(unsigned CstStart, unsigned CstEnd);
     
-  void EnumerateMetadata(const MetadataBase *MD);
+  void EnumerateMetadata(const Value *MD);
   void EnumerateNamedMDNode(const NamedMDNode *NMD);
   void EnumerateValue(const Value *V);
   void EnumerateType(const Type *T);