We are not using FoldingSet for metadata uniquing anymore.

llvm-svn: 78585

llvm/include/llvm/Metadata.h

@@ -19,7 +19,6 @@
 #include "llvm/User.h"
 #include "llvm/Type.h"
 #include "llvm/OperandTraits.h"
-#include "llvm/ADT/FoldingSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/ilist_node.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -110,7 +109,7 @@ public:
 /// MDNode - a tuple of other values.
 /// These contain a list of the values that represent the metadata. 
 /// MDNode is always unnamed.
-class MDNode : public MetadataBase, public FoldingSetNode {
+class MDNode : public MetadataBase {
   MDNode(const MDNode &);                // DO NOT IMPLEMENT
   void *operator new(size_t, unsigned);  // DO NOT IMPLEMENT
   // getNumOperands - Make this only available for private uses.
@@ -170,10 +169,6 @@ public:
     return false;
   }
 
-  /// Profile - calculate a unique identifier for this MDNode to collapse
-  /// duplicates
-  void Profile(FoldingSetNodeID &ID) const;
-
   virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U) {
     llvm_unreachable("This should never be called because MDNodes have no ops");
   }
@@ -287,10 +282,6 @@ public:
     return false;
   }
 
-  /// Profile - calculate a unique identifier for this MDNode to collapse
-  /// duplicates
-  void Profile(FoldingSetNodeID &ID) const;
-
   virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U) {
     llvm_unreachable(
                 "This should never be called because NamedMDNodes have no ops");

llvm/lib/VMCore/Metadata.cpp

@@ -76,11 +76,6 @@ MDNode::MDNode(Value*const* Vals, unsigned NumVals)
   }
 }
 
-void MDNode::Profile(FoldingSetNodeID &ID) const {
-  for (const_elem_iterator I = elem_begin(), E = elem_end(); I != E; ++I)
-    ID.AddPointer(*I);
-}
-
 MDNode *MDNode::get(LLVMContext &Context, Value*const* Vals, unsigned NumVals) {
   LLVMContextImpl *pImpl = Context.pImpl;
   std::vector<Value*> V;