[llvm] [VPlan] Add transformation to narrow interleave groups. (PR #106441)

[via llvm-commits]

================
@@ -646,7 +650,9 @@ Value *VPInstruction::generatePerPart(VPTransformState &State, unsigned Part) {
            "can only generate first lane for PtrAdd");
     Value *Ptr = State.get(getOperand(0), Part, /* IsScalar */ true);
     Value *Addend = State.get(getOperand(1), Part, /* IsScalar */ true);
-    return Builder.CreatePtrAdd(Ptr, Addend, Name);
+    return Builder.CreatePtrAdd(Ptr, Addend, Name,
+                                isInBounds() ? GEPNoWrapFlags::inBounds()
+                                             : GEPNoWrapFlags::none());
----------------
ayalz wrote:

Independent of this patch?

https://github.com/llvm/llvm-project/pull/106441