[llvm] [VPlan] Introduce recipes for VP loads and stores. (PR #87816)

[via llvm-commits]

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@@ -81,9 +81,8 @@ bool VPRecipeBase::mayWriteToMemory() const {
 
 bool VPRecipeBase::mayReadFromMemory() const {
   switch (getVPDefID()) {
-  case VPWidenMemoryInstructionSC: {
-    return !cast<VPWidenMemoryInstructionRecipe>(this)->isStore();
-  }
+  case VPWidenLoadSC:
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ayalz wrote:

Add VP variant?

https://github.com/llvm/llvm-project/pull/87816