[llvm] [VPlan] Split VPWidenMemoryInstructionRecipe (NFCI). (PR #87411)

[Florian Hahn via llvm-commits]

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@@ -81,16 +81,16 @@ bool VPRecipeBase::mayWriteToMemory() const {
 
 bool VPRecipeBase::mayReadFromMemory() const {
   switch (getVPDefID()) {
-  case VPWidenMemoryInstructionSC: {
-    return !cast<VPWidenMemoryInstructionRecipe>(this)->isStore();
-  }
+  case VPWidenLoadSC:
+    return true;
   case VPReplicateSC:
   case VPWidenCallSC:
     return cast<Instruction>(getVPSingleValue()->getUnderlyingValue())
         ->mayReadFromMemory();
   case VPBranchOnMaskSC:
   case VPScalarIVStepsSC:
   case VPPredInstPHISC:
+  case VPWidenStoreSC:
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fhahn wrote:

Done, thanks!

https://github.com/llvm/llvm-project/pull/87411