Create a new class: AttributeSetNode.

This is a helper class for the AttributeSetImpl class. It holds a set of
attributes that apply to a single element: function, return type, or
parameter.

These are uniqued.

llvm-svn: 173310

1 files changed, 1 insertions, 0 deletions

diff --git a/llvm/lib/IR/LLVMContextImpl.h b/llvm/lib/IR/LLVMContextImpl.h
index 30fd6666fda..cc7ca5e1288 100644
--- a/llvm/lib/IR/LLVMContextImpl.h
+++ b/llvm/lib/IR/LLVMContextImpl.h
@@ -249,6 +249,7 @@ public:
 
   FoldingSet<AttributeImpl> AttrsSet;
   FoldingSet<AttributeSetImpl> AttrsLists;
+  FoldingSet<AttributeSetNode> AttrsSetNodes;
 
   StringMap<Value*> MDStringCache;