[llvm] [VPlan] Remove unused first mask op from VPBlendRecipe. (PR #87770)

[Florian Hahn via llvm-commits]

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@@ -1951,13 +1951,18 @@ class VPBlendRecipe : public VPSingleDefRecipe {
 
   /// Return the number of incoming values, taking into account that a single
   /// incoming value has no mask.
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fhahn wrote:

updated, thanks!

https://github.com/llvm/llvm-project/pull/87770