Derive MDNode from MetadataBase instead of Constant. Emit MDNodes into METADATA_BLOCK in bitcode file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76834 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp
index d9d8cc834d..ae55d5ba51 100644
--- a/lib/VMCore/AsmWriter.cpp
+++ b/lib/VMCore/AsmWriter.cpp
@@ -1132,6 +1132,11 @@ static void WriteAsOperandInternal(raw_ostream &Out, const Value *V,
     return;
   }
 
+  if (const MDNode *N = dyn_cast<MDNode>(V)) {
+    Out << '!' << Machine->getMetadataSlot(N);
+    return;
+  }
+
   if (const MDString *MDS = dyn_cast<MDString>(V)) {
     Out << "!\"";
     PrintEscapedString(MDS->begin(), MDS->size(), Out);