[llvm] [TTI][LV] Change the prototype of preferInLoopReduction. nfc (PR #132698)

[Florian Hahn via llvm-commits]

================
@@ -1776,7 +1777,7 @@ class TargetTransformInfo {
   bool preferAlternateOpcodeVectorization() const;
 
   /// \returns True if the target prefers reductions in loop.
-  bool preferInLoopReduction(unsigned Opcode, Type *Ty) const;
+  bool preferInLoopReduction(RecurKind Kind, Type *Ty) const;
----------------
fhahn wrote:

While you here, it might be good to also document the `Kind` argument

https://github.com/llvm/llvm-project/pull/132698