[llvm] [VPlan] Expand VPWidenPointerInductionRecipe into separate recipes (PR #148274)

[Florian Hahn via llvm-commits]

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@@ -854,6 +856,11 @@ Value *VPInstruction::generate(VPTransformState &State) {
     Value *Addend = State.get(getOperand(1), VPLane(0));
     return Builder.CreatePtrAdd(Ptr, Addend, Name, getGEPNoWrapFlags());
   }
+  case VPInstruction::WidePtrAdd: {
+    Value *Ptr = State.get(getOperand(0), true);
+    Value *Addend = State.get(getOperand(1), vputils::onlyFirstLaneUsed(this));
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fhahn wrote:

Do we need to check for firstLaneUsed here? Ideally WidePtrAdd wouldn't be used if the only a single lane is needed

https://github.com/llvm/llvm-project/pull/148274