Do not write empty METADATA_ATTACHMENT record.

llvm-svn: 84006
2009-10-13 18:51:28 +00:00 · 2009-10-13 18:51:28 +00:00 · 78cb102490
parent 271f1f07bc
commit 78cb102490
1 changed files with 7 additions and 5 deletions
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@ -580,6 +580,7 @@ static void WriteMetadataAttachment(const Function &F,
          Record.push_back(VE.getValueID(ND));
        }
      }
+      if (!Record.empty()) {
        if (!StartedMetadataBlock)  {
          Stream.EnterSubblock(bitc::METADATA_ATTACHMENT_ID, 3);
          StartedMetadataBlock = true;
@ -587,6 +588,7 @@ static void WriteMetadataAttachment(const Function &F,
        Stream.EmitRecord(bitc::METADATA_ATTACHMENT, Record, 0);
        Record.clear();
      }
+    }

  if (StartedMetadataBlock)
    Stream.ExitBlock();