[llvm] [VPlan] Detect and create partial reductions in VPlan. (NFCI) (PR #167851)

[Sam Tebbs via llvm-commits]

================
@@ -8521,11 +8307,10 @@ VPlanPtr LoopVectorizationPlanner::tryToBuildVPlanWithVPRecipes(
                                 *Plan))
     return nullptr;
 
-  // Transform recipes to abstract recipes if it is legal and beneficial and
-  // clamp the range for better cost estimation.
-  // TODO: Enable following transform when the EVL-version of extended-reduction
-  // and mulacc-reduction are implemented.
----------------
SamTebbs33 wrote:

Did you mean to remove the whole comment?

https://github.com/llvm/llvm-project/pull/167851