[llvm] [LV][EVL] Support interleaved access with tail folding by EVL (PR #152070)

[Luke Lau via llvm-commits]

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@@ -108,6 +109,9 @@ bool VPRecipeBase::mayReadFromMemory() const {
   case VPWidenLoadEVLSC:
   case VPWidenLoadSC:
     return true;
+  case VPInterleaveEVLSC:
+  case VPInterleaveSC:
+    return cast<VPInterleaveBase>(this)->getNumStoreOperands() == 0;
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lukel97 wrote:

Are we missing mayReadFromMemory for regular VPInterleaveRecipes? Can this be split off into a separate PR?

https://github.com/llvm/llvm-project/pull/152070