BitcodeWriter: Reuse writeMetadataRecords, NFC

Change writeFunctionMetadata to call writeMetadataRecords.  For now
there's no functionality change, but makes it easy to serialize other
types of metadata in the function block in the future.

llvm-svn: 264557

1 files changed, 2 insertions, 5 deletions

diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index 2f230439b96..f864cd2b6f3 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -1416,7 +1416,7 @@ static void writeMetadataRecords(ArrayRef<const Metadata *> MDs,
 #include "llvm/IR/Metadata.def"
       }
     }
-    writeValueAsMetadata(cast<ConstantAsMetadata>(MD), VE, Stream, Record);
+    writeValueAsMetadata(cast<ValueAsMetadata>(MD), VE, Stream, Record);
   }
 }
 
@@ -1441,11 +1441,8 @@ static void writeFunctionMetadata(const Function &F, const ValueEnumerator &VE,
     return;
 
   Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3);
-
   SmallVector<uint64_t, 64> Record;
-  for (const Metadata *MD : VE.getFunctionMDs())
-    writeValueAsMetadata(cast<LocalAsMetadata>(MD), VE, Stream, Record);
-
+  writeMetadataRecords(MDs, VE, Stream, Record);
   Stream.ExitBlock();
 }