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

[Alexey Bataev via llvm-commits]

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@@ -954,7 +954,6 @@ void VPlan::prepareToExecute(Value *TripCountV, Value *VectorTripCountV,
 
   IRBuilder<> Builder(State.CFG.PrevBB->getTerminator());
   // FIXME: Model VF * UF computation completely in VPlan.
-  assert(VFxUF.getNumUsers() && "VFxUF expected to always have users");
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alexey-bataev wrote:

Shall it early exit then if VFxUF.getNumUsers() == 0?

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