Introduce MetadataBase, a base class for MDString and MDNode.

Derive MDString directly from MetadataBase. 
Introduce new bitcode block to hold metadata.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76759 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/VMCore/Value.cpp b/lib/VMCore/Value.cpp
index 07fbfc6..b3c0692 100644
--- a/lib/VMCore/Value.cpp
+++ b/lib/VMCore/Value.cpp
@@ -18,6 +18,7 @@
 #include "llvm/Instructions.h"
 #include "llvm/Operator.h"
 #include "llvm/Module.h"
+#include "llvm/MDNode.h"
 #include "llvm/ValueSymbolTable.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -140,7 +141,9 @@ static bool getSymTab(Value *V, ValueSymbolTable *&ST) {
   } else if (Argument *A = dyn_cast<Argument>(V)) {
     if (Function *P = A->getParent()) 
       ST = &P->getValueSymbolTable();
-  } else {
+  } else if (isa<MDString>(V))
+    return true;
+  else {
     assert(isa<Constant>(V) && "Unknown value type!");
     return true;  // no name is setable for this.
   }