message: Update function comment, since we added FP16 support for getZeroAttr.
diff: @@ -126,8 +126,8 @@ public:
  ElementsAttr getOpaqueElementsAttr(Dialect *dialect, ShapedType type,
  StringRef bytes);
  // Returns a 0-valued attribute of the given `type`. This function only
  - // supports boolean, integer, and 32-/64-bit float types, and vector or ranked
  - // tensor of them. Returns null attribute otherwise.
  + // supports boolean, integer, and 16-/32-/64-bit float types, and vector or
  + // ranked tensor of them. Returns null attribute otherwise.
  Attribute getZeroAttr(Type type);
  // Convenience methods for fixed types.
  