[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:
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ayalz wrote:

```suggestion
  // For a list of ordered recipe-VF pairs:
  //   [(load, VF1), (load, VF2), (store, VF1)]
  // group the recipes together to emit separate remarks for:
```
say something about Opcodes?

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