[llvm] [VPlan] Use scalar VPPhi instead of VPWidenPHIRecipe in createPlainCFG. (PR #150847)

[via llvm-commits]

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@@ -63,17 +63,20 @@ bool VPlanTransforms::tryToConvertVPInstructionsToVPRecipes(
       Instruction *Inst = cast<Instruction>(VPV->getUnderlyingValue());
 
       VPRecipeBase *NewRecipe = nullptr;
-      if (auto *VPPhi = dyn_cast<VPWidenPHIRecipe>(&Ingredient)) {
-        auto *Phi = cast<PHINode>(VPPhi->getUnderlyingValue());
+      if (auto *PhiR = dyn_cast<VPPhi>(&Ingredient)) {
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ayalz wrote:

Independent: `Ingredient` usually stands for an underlying IR Instruction rather than recipe.

https://github.com/llvm/llvm-project/pull/150847