[llvm] [VPlan] Port invalid cost remarks to VPlan. (PR #99322)

[via llvm-commits]

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@@ -4374,33 +4395,57 @@ static void emitInvalidCostRemarks(SmallVector<InstructionVFPair> InvalidCosts,
   // Group the instructions together to emit separate remarks for:
   //   load  (vf1, vf2)
   //   store (vf1)
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ayalz wrote:

```suggestion
  //   load  (VF1, VF2)
  //   store (VF1)
```

https://github.com/llvm/llvm-project/pull/99322