Add support for embedded metadata to LLVM. This introduces two new types of
Constant, MDString and MDNode which can only be used by globals with a name
that starts with "llvm." or as arguments to a function with the same naming
restriction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68420 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/LLParser.h b/lib/AsmParser/LLParser.h
index 3fc2fd2..44f4c2a 100644
--- a/lib/AsmParser/LLParser.h
+++ b/lib/AsmParser/LLParser.h
@@ -27,6 +27,8 @@
   class Instruction;
   class Constant;
   class GlobalValue;
+  class MDString;
+  class MDNode;
   struct ValID;
 
   class LLParser {
@@ -156,6 +158,7 @@
     bool ParseGlobalValue(const Type *Ty, Constant *&V);
     bool ParseGlobalTypeAndValue(Constant *&V);
     bool ParseGlobalValueVector(SmallVectorImpl<Constant*> &Elts);
+    bool ParseMDNodeVector(SmallVectorImpl<Constant*> &);
 
 
     // Function Semantic Analysis.