[llvm] [NFC][LV]: Differentiate between Pred and Unpred masked operations. (PR #169509)

[David Sherwood via llvm-commits]

================
@@ -428,8 +428,10 @@ class LoopVectorizationLegality {
 
   /// Returns true if vector representation of the instruction \p I
   /// requires mask.
-  bool isMaskRequired(const Instruction *I) const {
----------------
david-arm wrote:

I think the comment above the function needs updating now?

https://github.com/llvm/llvm-project/pull/169509