[MemoryBuiltins] Use SmallDenseMap for visited map (NFC)

This partially recovers a major compile-time regression introduced by #65326.
llvm · Sep 15, 2023 · c0a64ec · c0a64ec
1 parent ff9ae3f
commit c0a64ec
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/llvm/include/llvm/Analysis/MemoryBuiltins.h b/llvm/include/llvm/Analysis/MemoryBuiltins.h
@@ -198,7 +198,7 @@ class ObjectSizeOffsetVisitor
   ObjectSizeOpts Options;
   unsigned IntTyBits;
   APInt Zero;
-  DenseMap<Instruction *, SizeOffsetType> SeenInsts;
+  SmallDenseMap<Instruction *, SizeOffsetType, 8> SeenInsts;
 
   APInt align(APInt Size, MaybeAlign Align);