BitcodeWriter: Move abbreviation for DILocation; almost NFC

Simplify ValueEnumerator and WriteModuleMetadata by shifting the logic
for the METADATA_LOCATION abbreviation into WriteDILocation.

The only change is that the abbreviation is emitted later in the
bitcode, just before the first `DILocation` record.  This shouldn't be
observable though.

llvm-svn: 264302

1 files changed, 0 insertions, 2 deletions

diff --git a/llvm/lib/Bitcode/Writer/ValueEnumerator.h b/llvm/lib/Bitcode/Writer/ValueEnumerator.h
index cdb58b1bbff..1b870454ad7 100644
--- a/llvm/lib/Bitcode/Writer/ValueEnumerator.h
+++ b/llvm/lib/Bitcode/Writer/ValueEnumerator.h
@@ -67,7 +67,6 @@ private:
   typedef DenseMap<const Metadata *, unsigned> MetadataMapType;
   MetadataMapType MetadataMap;
   bool HasMDString;
-  bool HasDILocation;
   bool HasGenericDINode;
   bool ShouldPreserveUseListOrder;
 
@@ -124,7 +123,6 @@ public:
   unsigned numMDs() const { return MDs.size(); }
 
   bool hasMDString() const { return HasMDString; }
-  bool hasDILocation() const { return HasDILocation; }
   bool hasGenericDINode() const { return HasGenericDINode; }
 
   bool shouldPreserveUseListOrder() const { return ShouldPreserveUseListOrder; }