[llvm] [LV]Set tailfolding styles before computing feasible max VF. (PR #91403)

[Alexey Bataev via llvm-commits]

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@@ -5997,7 +6023,7 @@ LoopVectorizationCostModel::getConsecutiveMemOpCost(Instruction *I,
          "Stride should be 1 or -1 for consecutive memory access");
   const Align Alignment = getLoadStoreAlignment(I);
   InstructionCost Cost = 0;
-  if (Legal->isMaskRequired(I)) {
+  if (isPredicatedInst(I)) {
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alexey-bataev wrote:

I think we'd better use this function, it has some extra checks for the predicated instructions (like dropping some uniform instructions)

https://github.com/llvm/llvm-project/pull/91403