Hide MetadataContext implementation details.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84886 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index 7f3be2b84a..3a385cbe38 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -840,7 +840,15 @@ bool BitcodeReader::ParseMetadata() {
       for (unsigned i = 1; i != RecordLength; ++i)
         Name[i-1] = Record[i];
       MetadataContext &TheMetadata = Context.getMetadata();
-      TheMetadata.MDHandlerNames[Name.str()] = Kind;
+      unsigned ExistingKind = TheMetadata.getMDKind(Name.str());
+      if (ExistingKind == 0) {
+        unsigned NewKind = TheMetadata.registerMDKind(Name.str());
+        assert (Kind == NewKind 
+                && "Unable to handle custom metadata mismatch!");
+      } else {
+        assert (ExistingKind == Kind 
+                && "Unable to handle custom metadata mismatch!");
+      }
       break;
     }
     }